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1 /*! |
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2 * Paper.js v0.9.22 - The Swiss Army Knife of Vector Graphics Scripting. |
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3 * http://paperjs.org/ |
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4 * |
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5 * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey |
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6 * http://scratchdisk.com/ & http://jonathanpuckey.com/ |
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7 * |
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8 * Distributed under the MIT license. See LICENSE file for details. |
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9 * |
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10 * All rights reserved. |
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11 * |
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12 * Date: Sat Feb 28 19:20:48 2015 +0100 |
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13 * |
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14 *** |
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15 * |
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16 * Straps.js - Class inheritance library with support for bean-style accessors |
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17 * |
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18 * Copyright (c) 2006 - 2013 Juerg Lehni |
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19 * http://scratchdisk.com/ |
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20 * |
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21 * Distributed under the MIT license. |
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22 * |
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23 *** |
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24 * |
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25 * Acorn.js |
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26 * http://marijnhaverbeke.nl/acorn/ |
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27 * |
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28 * Acorn is a tiny, fast JavaScript parser written in JavaScript, |
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29 * created by Marijn Haverbeke and released under an MIT license. |
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30 * |
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31 */ |
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32 |
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33 var paper = new function(undefined) { |
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34 |
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35 var Base = new function() { |
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36 var hidden = /^(statics|enumerable|beans|preserve)$/, |
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37 |
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38 forEach = [].forEach || function(iter, bind) { |
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39 for (var i = 0, l = this.length; i < l; i++) |
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40 iter.call(bind, this[i], i, this); |
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41 }, |
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42 |
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43 forIn = function(iter, bind) { |
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44 for (var i in this) |
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45 if (this.hasOwnProperty(i)) |
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46 iter.call(bind, this[i], i, this); |
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47 }, |
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48 |
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49 create = Object.create || function(proto) { |
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50 return { __proto__: proto }; |
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51 }, |
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52 |
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53 describe = Object.getOwnPropertyDescriptor || function(obj, name) { |
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54 var get = obj.__lookupGetter__ && obj.__lookupGetter__(name); |
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55 return get |
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56 ? { get: get, set: obj.__lookupSetter__(name), |
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57 enumerable: true, configurable: true } |
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58 : obj.hasOwnProperty(name) |
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59 ? { value: obj[name], enumerable: true, |
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60 configurable: true, writable: true } |
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61 : null; |
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62 }, |
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63 |
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64 _define = Object.defineProperty || function(obj, name, desc) { |
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65 if ((desc.get || desc.set) && obj.__defineGetter__) { |
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66 if (desc.get) |
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67 obj.__defineGetter__(name, desc.get); |
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68 if (desc.set) |
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69 obj.__defineSetter__(name, desc.set); |
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70 } else { |
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71 obj[name] = desc.value; |
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72 } |
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73 return obj; |
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74 }, |
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75 |
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76 define = function(obj, name, desc) { |
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77 delete obj[name]; |
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78 return _define(obj, name, desc); |
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79 }; |
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80 |
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81 function inject(dest, src, enumerable, beans, preserve) { |
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82 var beansNames = {}; |
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83 |
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84 function field(name, val) { |
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85 val = val || (val = describe(src, name)) |
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86 && (val.get ? val : val.value); |
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87 if (typeof val === 'string' && val[0] === '#') |
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88 val = dest[val.substring(1)] || val; |
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89 var isFunc = typeof val === 'function', |
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90 res = val, |
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91 prev = preserve || isFunc |
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92 ? (val && val.get ? name in dest : dest[name]) |
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93 : null, |
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94 bean; |
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95 if (!preserve || !prev) { |
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96 if (isFunc && prev) |
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97 val.base = prev; |
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98 if (isFunc && beans !== false |
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99 && (bean = name.match(/^([gs]et|is)(([A-Z])(.*))$/))) |
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100 beansNames[bean[3].toLowerCase() + bean[4]] = bean[2]; |
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101 if (!res || isFunc || !res.get || typeof res.get !== 'function' |
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102 || !Base.isPlainObject(res)) |
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103 res = { value: res, writable: true }; |
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104 if ((describe(dest, name) |
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105 || { configurable: true }).configurable) { |
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106 res.configurable = true; |
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107 res.enumerable = enumerable; |
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108 } |
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109 define(dest, name, res); |
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110 } |
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111 } |
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112 if (src) { |
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113 for (var name in src) { |
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114 if (src.hasOwnProperty(name) && !hidden.test(name)) |
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115 field(name); |
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116 } |
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117 for (var name in beansNames) { |
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118 var part = beansNames[name], |
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119 set = dest['set' + part], |
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120 get = dest['get' + part] || set && dest['is' + part]; |
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121 if (get && (beans === true || get.length === 0)) |
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122 field(name, { get: get, set: set }); |
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123 } |
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124 } |
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125 return dest; |
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126 } |
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127 |
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128 function each(obj, iter, bind) { |
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129 if (obj) |
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130 ('length' in obj && !obj.getLength |
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131 && typeof obj.length === 'number' |
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132 ? forEach |
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133 : forIn).call(obj, iter, bind = bind || obj); |
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134 return bind; |
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135 } |
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136 |
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137 function set(obj, props, exclude) { |
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138 for (var key in props) |
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139 if (props.hasOwnProperty(key) && !(exclude && exclude[key])) |
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140 obj[key] = props[key]; |
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141 return obj; |
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142 } |
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143 |
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144 return inject(function Base() { |
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145 for (var i = 0, l = arguments.length; i < l; i++) |
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146 set(this, arguments[i]); |
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147 }, { |
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148 inject: function(src) { |
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149 if (src) { |
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150 var statics = src.statics === true ? src : src.statics, |
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151 beans = src.beans, |
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152 preserve = src.preserve; |
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153 if (statics !== src) |
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154 inject(this.prototype, src, src.enumerable, beans, preserve); |
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155 inject(this, statics, true, beans, preserve); |
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156 } |
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157 for (var i = 1, l = arguments.length; i < l; i++) |
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158 this.inject(arguments[i]); |
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159 return this; |
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160 }, |
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161 |
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162 extend: function() { |
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163 var base = this, |
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164 ctor; |
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165 for (var i = 0, l = arguments.length; i < l; i++) |
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166 if (ctor = arguments[i].initialize) |
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167 break; |
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168 ctor = ctor || function() { |
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169 base.apply(this, arguments); |
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170 }; |
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171 ctor.prototype = create(this.prototype); |
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172 ctor.base = base; |
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173 define(ctor.prototype, 'constructor', |
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174 { value: ctor, writable: true, configurable: true }); |
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175 inject(ctor, this, true); |
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176 return arguments.length ? this.inject.apply(ctor, arguments) : ctor; |
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177 } |
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178 }, true).inject({ |
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179 inject: function() { |
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180 for (var i = 0, l = arguments.length; i < l; i++) { |
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181 var src = arguments[i]; |
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182 if (src) |
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183 inject(this, src, src.enumerable, src.beans, src.preserve); |
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184 } |
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185 return this; |
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186 }, |
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187 |
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188 extend: function() { |
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189 var res = create(this); |
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190 return res.inject.apply(res, arguments); |
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191 }, |
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192 |
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193 each: function(iter, bind) { |
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194 return each(this, iter, bind); |
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195 }, |
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196 |
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197 set: function(props) { |
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198 return set(this, props); |
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199 }, |
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200 |
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201 clone: function() { |
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202 return new this.constructor(this); |
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203 }, |
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204 |
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205 statics: { |
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206 each: each, |
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207 create: create, |
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208 define: define, |
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209 describe: describe, |
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210 set: set, |
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211 |
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212 clone: function(obj) { |
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213 return set(new obj.constructor(), obj); |
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214 }, |
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215 |
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216 isPlainObject: function(obj) { |
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217 var ctor = obj != null && obj.constructor; |
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218 return ctor && (ctor === Object || ctor === Base |
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219 || ctor.name === 'Object'); |
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220 }, |
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221 |
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222 pick: function(a, b) { |
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223 return a !== undefined ? a : b; |
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224 } |
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225 } |
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226 }); |
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227 }; |
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228 |
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229 if (typeof module !== 'undefined') |
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230 module.exports = Base; |
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231 |
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232 Base.inject({ |
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233 toString: function() { |
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234 return this._id != null |
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235 ? (this._class || 'Object') + (this._name |
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236 ? " '" + this._name + "'" |
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237 : ' @' + this._id) |
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238 : '{ ' + Base.each(this, function(value, key) { |
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239 if (!/^_/.test(key)) { |
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240 var type = typeof value; |
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241 this.push(key + ': ' + (type === 'number' |
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242 ? Formatter.instance.number(value) |
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243 : type === 'string' ? "'" + value + "'" : value)); |
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244 } |
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245 }, []).join(', ') + ' }'; |
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246 }, |
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247 |
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248 getClassName: function() { |
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249 return this._class || ''; |
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250 }, |
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251 |
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252 exportJSON: function(options) { |
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253 return Base.exportJSON(this, options); |
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254 }, |
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255 |
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256 toJSON: function() { |
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257 return Base.serialize(this); |
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258 }, |
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259 |
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260 _set: function(props, exclude, dontCheck) { |
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261 if (props && (dontCheck || Base.isPlainObject(props))) { |
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262 var orig = props._filtering || props; |
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263 for (var key in orig) { |
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264 if (orig.hasOwnProperty(key) && !(exclude && exclude[key])) { |
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265 var value = props[key]; |
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266 if (value !== undefined) |
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267 this[key] = value; |
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268 } |
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269 } |
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270 return true; |
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271 } |
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272 }, |
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273 |
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274 statics: { |
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275 |
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276 exports: { |
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277 enumerable: true |
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278 }, |
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279 |
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280 extend: function extend() { |
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281 var res = extend.base.apply(this, arguments), |
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282 name = res.prototype._class; |
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283 if (name && !Base.exports[name]) |
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284 Base.exports[name] = res; |
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285 return res; |
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286 }, |
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287 |
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288 equals: function(obj1, obj2) { |
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289 function checkKeys(o1, o2) { |
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290 for (var i in o1) |
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291 if (o1.hasOwnProperty(i) && !o2.hasOwnProperty(i)) |
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292 return false; |
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293 return true; |
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294 } |
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295 if (obj1 === obj2) |
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296 return true; |
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297 if (obj1 && obj1.equals) |
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298 return obj1.equals(obj2); |
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299 if (obj2 && obj2.equals) |
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300 return obj2.equals(obj1); |
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301 if (Array.isArray(obj1) && Array.isArray(obj2)) { |
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302 if (obj1.length !== obj2.length) |
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303 return false; |
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304 for (var i = 0, l = obj1.length; i < l; i++) { |
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305 if (!Base.equals(obj1[i], obj2[i])) |
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306 return false; |
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307 } |
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308 return true; |
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309 } |
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310 if (obj1 && typeof obj1 === 'object' |
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311 && obj2 && typeof obj2 === 'object') { |
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312 if (!checkKeys(obj1, obj2) || !checkKeys(obj2, obj1)) |
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313 return false; |
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314 for (var i in obj1) { |
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315 if (obj1.hasOwnProperty(i) |
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316 && !Base.equals(obj1[i], obj2[i])) |
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317 return false; |
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318 } |
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319 return true; |
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320 } |
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321 return false; |
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322 }, |
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323 |
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324 read: function(list, start, options, length) { |
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325 if (this === Base) { |
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326 var value = this.peek(list, start); |
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327 list.__index++; |
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328 return value; |
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329 } |
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330 var proto = this.prototype, |
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331 readIndex = proto._readIndex, |
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332 index = start || readIndex && list.__index || 0; |
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333 if (!length) |
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334 length = list.length - index; |
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335 var obj = list[index]; |
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336 if (obj instanceof this |
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337 || options && options.readNull && obj == null && length <= 1) { |
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338 if (readIndex) |
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339 list.__index = index + 1; |
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340 return obj && options && options.clone ? obj.clone() : obj; |
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341 } |
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342 obj = Base.create(this.prototype); |
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343 if (readIndex) |
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344 obj.__read = true; |
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345 obj = obj.initialize.apply(obj, index > 0 || length < list.length |
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346 ? Array.prototype.slice.call(list, index, index + length) |
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347 : list) || obj; |
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348 if (readIndex) { |
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349 list.__index = index + obj.__read; |
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350 obj.__read = undefined; |
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351 } |
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352 return obj; |
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353 }, |
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354 |
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355 peek: function(list, start) { |
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356 return list[list.__index = start || list.__index || 0]; |
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357 }, |
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358 |
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359 remain: function(list) { |
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360 return list.length - (list.__index || 0); |
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361 }, |
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362 |
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363 readAll: function(list, start, options) { |
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364 var res = [], |
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365 entry; |
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366 for (var i = start || 0, l = list.length; i < l; i++) { |
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367 res.push(Array.isArray(entry = list[i]) |
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368 ? this.read(entry, 0, options) |
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369 : this.read(list, i, options, 1)); |
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370 } |
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371 return res; |
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372 }, |
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373 |
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374 readNamed: function(list, name, start, options, length) { |
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375 var value = this.getNamed(list, name), |
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376 hasObject = value !== undefined; |
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377 if (hasObject) { |
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378 var filtered = list._filtered; |
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379 if (!filtered) { |
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380 filtered = list._filtered = Base.create(list[0]); |
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381 filtered._filtering = list[0]; |
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382 } |
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383 filtered[name] = undefined; |
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384 } |
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385 return this.read(hasObject ? [value] : list, start, options, length); |
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386 }, |
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387 |
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388 getNamed: function(list, name) { |
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389 var arg = list[0]; |
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390 if (list._hasObject === undefined) |
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391 list._hasObject = list.length === 1 && Base.isPlainObject(arg); |
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392 if (list._hasObject) |
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393 return name ? arg[name] : list._filtered || arg; |
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394 }, |
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395 |
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396 hasNamed: function(list, name) { |
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397 return !!this.getNamed(list, name); |
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398 }, |
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399 |
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400 isPlainValue: function(obj, asString) { |
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401 return this.isPlainObject(obj) || Array.isArray(obj) |
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402 || asString && typeof obj === 'string'; |
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403 }, |
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404 |
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405 serialize: function(obj, options, compact, dictionary) { |
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406 options = options || {}; |
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407 |
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408 var root = !dictionary, |
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409 res; |
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410 if (root) { |
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411 options.formatter = new Formatter(options.precision); |
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412 dictionary = { |
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413 length: 0, |
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414 definitions: {}, |
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415 references: {}, |
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416 add: function(item, create) { |
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417 var id = '#' + item._id, |
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418 ref = this.references[id]; |
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419 if (!ref) { |
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420 this.length++; |
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421 var res = create.call(item), |
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422 name = item._class; |
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423 if (name && res[0] !== name) |
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424 res.unshift(name); |
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425 this.definitions[id] = res; |
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426 ref = this.references[id] = [id]; |
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427 } |
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428 return ref; |
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429 } |
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430 }; |
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431 } |
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432 if (obj && obj._serialize) { |
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433 res = obj._serialize(options, dictionary); |
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434 var name = obj._class; |
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435 if (name && !compact && !res._compact && res[0] !== name) |
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436 res.unshift(name); |
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437 } else if (Array.isArray(obj)) { |
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438 res = []; |
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439 for (var i = 0, l = obj.length; i < l; i++) |
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440 res[i] = Base.serialize(obj[i], options, compact, |
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441 dictionary); |
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442 if (compact) |
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443 res._compact = true; |
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444 } else if (Base.isPlainObject(obj)) { |
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445 res = {}; |
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446 for (var i in obj) |
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447 if (obj.hasOwnProperty(i)) |
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448 res[i] = Base.serialize(obj[i], options, compact, |
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449 dictionary); |
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450 } else if (typeof obj === 'number') { |
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451 res = options.formatter.number(obj, options.precision); |
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452 } else { |
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453 res = obj; |
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454 } |
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455 return root && dictionary.length > 0 |
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456 ? [['dictionary', dictionary.definitions], res] |
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457 : res; |
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458 }, |
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459 |
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460 deserialize: function(json, create, _data) { |
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461 var res = json, |
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462 isRoot = !_data; |
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463 _data = _data || {}; |
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464 if (Array.isArray(json)) { |
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465 var type = json[0], |
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466 isDictionary = type === 'dictionary'; |
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467 if (!isDictionary) { |
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468 if (_data.dictionary && json.length == 1 && /^#/.test(type)) |
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469 return _data.dictionary[type]; |
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470 type = Base.exports[type]; |
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471 } |
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472 res = []; |
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473 for (var i = type ? 1 : 0, l = json.length; i < l; i++) |
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474 res.push(Base.deserialize(json[i], create, _data)); |
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475 if (isDictionary) { |
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476 _data.dictionary = res[0]; |
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477 } else if (type) { |
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478 var args = res; |
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479 if (create) { |
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480 res = create(type, args); |
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481 } else { |
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482 res = Base.create(type.prototype); |
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483 type.apply(res, args); |
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484 } |
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485 } |
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486 } else if (Base.isPlainObject(json)) { |
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487 res = {}; |
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488 for (var key in json) |
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489 res[key] = Base.deserialize(json[key], create, _data); |
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490 } |
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491 return isRoot && json && json.length && json[0][0] === 'dictionary' |
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492 ? res[1] |
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493 : res; |
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494 }, |
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495 |
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496 exportJSON: function(obj, options) { |
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497 var json = Base.serialize(obj, options); |
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498 return options && options.asString === false |
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499 ? json |
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500 : JSON.stringify(json); |
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501 }, |
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502 |
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503 importJSON: function(json, target) { |
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504 return Base.deserialize( |
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505 typeof json === 'string' ? JSON.parse(json) : json, |
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506 function(type, args) { |
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507 var obj = target && target.constructor === type |
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508 ? target |
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509 : Base.create(type.prototype), |
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510 isTarget = obj === target; |
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511 if (args.length === 1 && obj instanceof Item |
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512 && (isTarget || !(obj instanceof Layer))) { |
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513 var arg = args[0]; |
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514 if (Base.isPlainObject(arg)) |
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515 arg.insert = false; |
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516 } |
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517 type.apply(obj, args); |
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518 if (isTarget) |
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519 target = null; |
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520 return obj; |
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521 }); |
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522 }, |
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523 |
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524 splice: function(list, items, index, remove) { |
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525 var amount = items && items.length, |
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526 append = index === undefined; |
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527 index = append ? list.length : index; |
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528 if (index > list.length) |
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529 index = list.length; |
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530 for (var i = 0; i < amount; i++) |
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531 items[i]._index = index + i; |
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532 if (append) { |
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533 list.push.apply(list, items); |
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534 return []; |
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535 } else { |
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536 var args = [index, remove]; |
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537 if (items) |
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538 args.push.apply(args, items); |
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539 var removed = list.splice.apply(list, args); |
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540 for (var i = 0, l = removed.length; i < l; i++) |
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541 removed[i]._index = undefined; |
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542 for (var i = index + amount, l = list.length; i < l; i++) |
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543 list[i]._index = i; |
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544 return removed; |
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545 } |
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546 }, |
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547 |
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548 capitalize: function(str) { |
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549 return str.replace(/\b[a-z]/g, function(match) { |
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550 return match.toUpperCase(); |
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551 }); |
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552 }, |
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553 |
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554 camelize: function(str) { |
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555 return str.replace(/-(.)/g, function(all, chr) { |
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556 return chr.toUpperCase(); |
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557 }); |
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558 }, |
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559 |
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560 hyphenate: function(str) { |
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561 return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase(); |
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562 } |
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563 } |
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564 }); |
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565 |
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566 var Emitter = { |
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567 on: function(type, func) { |
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568 if (typeof type !== 'string') { |
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569 Base.each(type, function(value, key) { |
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570 this.on(key, value); |
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571 }, this); |
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572 } else { |
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573 var entry = this._eventTypes[type]; |
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574 if (entry) { |
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575 var handlers = this._callbacks = this._callbacks || {}; |
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576 handlers = handlers[type] = handlers[type] || []; |
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577 if (handlers.indexOf(func) === -1) { |
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578 handlers.push(func); |
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579 if (entry.install && handlers.length == 1) |
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580 entry.install.call(this, type); |
|
581 } |
|
582 } |
|
583 } |
|
584 return this; |
|
585 }, |
|
586 |
|
587 off: function(type, func) { |
|
588 if (typeof type !== 'string') { |
|
589 Base.each(type, function(value, key) { |
|
590 this.off(key, value); |
|
591 }, this); |
|
592 return; |
|
593 } |
|
594 var entry = this._eventTypes[type], |
|
595 handlers = this._callbacks && this._callbacks[type], |
|
596 index; |
|
597 if (entry && handlers) { |
|
598 if (!func || (index = handlers.indexOf(func)) !== -1 |
|
599 && handlers.length === 1) { |
|
600 if (entry.uninstall) |
|
601 entry.uninstall.call(this, type); |
|
602 delete this._callbacks[type]; |
|
603 } else if (index !== -1) { |
|
604 handlers.splice(index, 1); |
|
605 } |
|
606 } |
|
607 return this; |
|
608 }, |
|
609 |
|
610 once: function(type, func) { |
|
611 return this.on(type, function() { |
|
612 func.apply(this, arguments); |
|
613 this.off(type, func); |
|
614 }); |
|
615 }, |
|
616 |
|
617 emit: function(type, event) { |
|
618 var handlers = this._callbacks && this._callbacks[type]; |
|
619 if (!handlers) |
|
620 return false; |
|
621 var args = [].slice.call(arguments, 1); |
|
622 for (var i = 0, l = handlers.length; i < l; i++) { |
|
623 if (handlers[i].apply(this, args) === false |
|
624 && event && event.stop) { |
|
625 event.stop(); |
|
626 break; |
|
627 } |
|
628 } |
|
629 return true; |
|
630 }, |
|
631 |
|
632 responds: function(type) { |
|
633 return !!(this._callbacks && this._callbacks[type]); |
|
634 }, |
|
635 |
|
636 attach: '#on', |
|
637 detach: '#off', |
|
638 fire: '#emit', |
|
639 |
|
640 _installEvents: function(install) { |
|
641 var handlers = this._callbacks, |
|
642 key = install ? 'install' : 'uninstall'; |
|
643 for (var type in handlers) { |
|
644 if (handlers[type].length > 0) { |
|
645 var entry = this._eventTypes[type], |
|
646 func = entry[key]; |
|
647 if (func) |
|
648 func.call(this, type); |
|
649 } |
|
650 } |
|
651 }, |
|
652 |
|
653 statics: { |
|
654 inject: function inject(src) { |
|
655 var events = src._events; |
|
656 if (events) { |
|
657 var types = {}; |
|
658 Base.each(events, function(entry, key) { |
|
659 var isString = typeof entry === 'string', |
|
660 name = isString ? entry : key, |
|
661 part = Base.capitalize(name), |
|
662 type = name.substring(2).toLowerCase(); |
|
663 types[type] = isString ? {} : entry; |
|
664 name = '_' + name; |
|
665 src['get' + part] = function() { |
|
666 return this[name]; |
|
667 }; |
|
668 src['set' + part] = function(func) { |
|
669 var prev = this[name]; |
|
670 if (prev) |
|
671 this.off(type, prev); |
|
672 if (func) |
|
673 this.on(type, func); |
|
674 this[name] = func; |
|
675 }; |
|
676 }); |
|
677 src._eventTypes = types; |
|
678 } |
|
679 return inject.base.apply(this, arguments); |
|
680 } |
|
681 } |
|
682 }; |
|
683 |
|
684 var PaperScope = Base.extend({ |
|
685 _class: 'PaperScope', |
|
686 |
|
687 initialize: function PaperScope() { |
|
688 paper = this; |
|
689 this.settings = new Base({ |
|
690 applyMatrix: true, |
|
691 handleSize: 4, |
|
692 hitTolerance: 0 |
|
693 }); |
|
694 this.project = null; |
|
695 this.projects = []; |
|
696 this.tools = []; |
|
697 this.palettes = []; |
|
698 this._id = PaperScope._id++; |
|
699 PaperScope._scopes[this._id] = this; |
|
700 var proto = PaperScope.prototype; |
|
701 if (!this.support) { |
|
702 var ctx = CanvasProvider.getContext(1, 1); |
|
703 proto.support = { |
|
704 nativeDash: 'setLineDash' in ctx || 'mozDash' in ctx, |
|
705 nativeBlendModes: BlendMode.nativeModes |
|
706 }; |
|
707 CanvasProvider.release(ctx); |
|
708 } |
|
709 |
|
710 if (!this.browser) { |
|
711 var browser = proto.browser = {}; |
|
712 navigator.userAgent.toLowerCase().replace( |
|
713 /(opera|chrome|safari|webkit|firefox|msie|trident|atom)\/?\s*([.\d]+)(?:.*version\/([.\d]+))?(?:.*rv\:([.\d]+))?/g, |
|
714 function(all, n, v1, v2, rv) { |
|
715 if (!browser.chrome) { |
|
716 var v = n === 'opera' ? v2 : v1; |
|
717 if (n === 'trident') { |
|
718 v = rv; |
|
719 n = 'msie'; |
|
720 } |
|
721 browser.version = v; |
|
722 browser.versionNumber = parseFloat(v); |
|
723 browser.name = n; |
|
724 browser[n] = true; |
|
725 } |
|
726 } |
|
727 ); |
|
728 if (browser.chrome) |
|
729 delete browser.webkit; |
|
730 if (browser.atom) |
|
731 delete browser.chrome; |
|
732 } |
|
733 }, |
|
734 |
|
735 version: '0.9.22', |
|
736 |
|
737 getView: function() { |
|
738 return this.project && this.project.getView(); |
|
739 }, |
|
740 |
|
741 getPaper: function() { |
|
742 return this; |
|
743 }, |
|
744 |
|
745 execute: function(code, url, options) { |
|
746 paper.PaperScript.execute(code, this, url, options); |
|
747 View.updateFocus(); |
|
748 }, |
|
749 |
|
750 install: function(scope) { |
|
751 var that = this; |
|
752 Base.each(['project', 'view', 'tool'], function(key) { |
|
753 Base.define(scope, key, { |
|
754 configurable: true, |
|
755 get: function() { |
|
756 return that[key]; |
|
757 } |
|
758 }); |
|
759 }); |
|
760 for (var key in this) |
|
761 if (!/^_/.test(key) && this[key]) |
|
762 scope[key] = this[key]; |
|
763 }, |
|
764 |
|
765 setup: function(element) { |
|
766 paper = this; |
|
767 this.project = new Project(element); |
|
768 return this; |
|
769 }, |
|
770 |
|
771 activate: function() { |
|
772 paper = this; |
|
773 }, |
|
774 |
|
775 clear: function() { |
|
776 for (var i = this.projects.length - 1; i >= 0; i--) |
|
777 this.projects[i].remove(); |
|
778 for (var i = this.tools.length - 1; i >= 0; i--) |
|
779 this.tools[i].remove(); |
|
780 for (var i = this.palettes.length - 1; i >= 0; i--) |
|
781 this.palettes[i].remove(); |
|
782 }, |
|
783 |
|
784 remove: function() { |
|
785 this.clear(); |
|
786 delete PaperScope._scopes[this._id]; |
|
787 }, |
|
788 |
|
789 statics: new function() { |
|
790 function handleAttribute(name) { |
|
791 name += 'Attribute'; |
|
792 return function(el, attr) { |
|
793 return el[name](attr) || el[name]('data-paper-' + attr); |
|
794 }; |
|
795 } |
|
796 |
|
797 return { |
|
798 _scopes: {}, |
|
799 _id: 0, |
|
800 |
|
801 get: function(id) { |
|
802 return this._scopes[id] || null; |
|
803 }, |
|
804 |
|
805 getAttribute: handleAttribute('get'), |
|
806 hasAttribute: handleAttribute('has') |
|
807 }; |
|
808 } |
|
809 }); |
|
810 |
|
811 var PaperScopeItem = Base.extend(Emitter, { |
|
812 |
|
813 initialize: function(activate) { |
|
814 this._scope = paper; |
|
815 this._index = this._scope[this._list].push(this) - 1; |
|
816 if (activate || !this._scope[this._reference]) |
|
817 this.activate(); |
|
818 }, |
|
819 |
|
820 activate: function() { |
|
821 if (!this._scope) |
|
822 return false; |
|
823 var prev = this._scope[this._reference]; |
|
824 if (prev && prev !== this) |
|
825 prev.emit('deactivate'); |
|
826 this._scope[this._reference] = this; |
|
827 this.emit('activate', prev); |
|
828 return true; |
|
829 }, |
|
830 |
|
831 isActive: function() { |
|
832 return this._scope[this._reference] === this; |
|
833 }, |
|
834 |
|
835 remove: function() { |
|
836 if (this._index == null) |
|
837 return false; |
|
838 Base.splice(this._scope[this._list], null, this._index, 1); |
|
839 if (this._scope[this._reference] == this) |
|
840 this._scope[this._reference] = null; |
|
841 this._scope = null; |
|
842 return true; |
|
843 } |
|
844 }); |
|
845 |
|
846 var Formatter = Base.extend({ |
|
847 initialize: function(precision) { |
|
848 this.precision = precision || 5; |
|
849 this.multiplier = Math.pow(10, this.precision); |
|
850 }, |
|
851 |
|
852 number: function(val) { |
|
853 return Math.round(val * this.multiplier) / this.multiplier; |
|
854 }, |
|
855 |
|
856 pair: function(val1, val2, separator) { |
|
857 return this.number(val1) + (separator || ',') + this.number(val2); |
|
858 }, |
|
859 |
|
860 point: function(val, separator) { |
|
861 return this.number(val.x) + (separator || ',') + this.number(val.y); |
|
862 }, |
|
863 |
|
864 size: function(val, separator) { |
|
865 return this.number(val.width) + (separator || ',') |
|
866 + this.number(val.height); |
|
867 }, |
|
868 |
|
869 rectangle: function(val, separator) { |
|
870 return this.point(val, separator) + (separator || ',') |
|
871 + this.size(val, separator); |
|
872 } |
|
873 }); |
|
874 |
|
875 Formatter.instance = new Formatter(); |
|
876 |
|
877 var Numerical = new function() { |
|
878 |
|
879 var abscissas = [ |
|
880 [ 0.5773502691896257645091488], |
|
881 [0,0.7745966692414833770358531], |
|
882 [ 0.3399810435848562648026658,0.8611363115940525752239465], |
|
883 [0,0.5384693101056830910363144,0.9061798459386639927976269], |
|
884 [ 0.2386191860831969086305017,0.6612093864662645136613996,0.9324695142031520278123016], |
|
885 [0,0.4058451513773971669066064,0.7415311855993944398638648,0.9491079123427585245261897], |
|
886 [ 0.1834346424956498049394761,0.5255324099163289858177390,0.7966664774136267395915539,0.9602898564975362316835609], |
|
887 [0,0.3242534234038089290385380,0.6133714327005903973087020,0.8360311073266357942994298,0.9681602395076260898355762], |
|
888 [ 0.1488743389816312108848260,0.4333953941292471907992659,0.6794095682990244062343274,0.8650633666889845107320967,0.9739065285171717200779640], |
|
889 [0,0.2695431559523449723315320,0.5190961292068118159257257,0.7301520055740493240934163,0.8870625997680952990751578,0.9782286581460569928039380], |
|
890 [ 0.1252334085114689154724414,0.3678314989981801937526915,0.5873179542866174472967024,0.7699026741943046870368938,0.9041172563704748566784659,0.9815606342467192506905491], |
|
891 [0,0.2304583159551347940655281,0.4484927510364468528779129,0.6423493394403402206439846,0.8015780907333099127942065,0.9175983992229779652065478,0.9841830547185881494728294], |
|
892 [ 0.1080549487073436620662447,0.3191123689278897604356718,0.5152486363581540919652907,0.6872929048116854701480198,0.8272013150697649931897947,0.9284348836635735173363911,0.9862838086968123388415973], |
|
893 [0,0.2011940939974345223006283,0.3941513470775633698972074,0.5709721726085388475372267,0.7244177313601700474161861,0.8482065834104272162006483,0.9372733924007059043077589,0.9879925180204854284895657], |
|
894 [ 0.0950125098376374401853193,0.2816035507792589132304605,0.4580167776572273863424194,0.6178762444026437484466718,0.7554044083550030338951012,0.8656312023878317438804679,0.9445750230732325760779884,0.9894009349916499325961542] |
|
895 ]; |
|
896 |
|
897 var weights = [ |
|
898 [1], |
|
899 [0.8888888888888888888888889,0.5555555555555555555555556], |
|
900 [0.6521451548625461426269361,0.3478548451374538573730639], |
|
901 [0.5688888888888888888888889,0.4786286704993664680412915,0.2369268850561890875142640], |
|
902 [0.4679139345726910473898703,0.3607615730481386075698335,0.1713244923791703450402961], |
|
903 [0.4179591836734693877551020,0.3818300505051189449503698,0.2797053914892766679014678,0.1294849661688696932706114], |
|
904 [0.3626837833783619829651504,0.3137066458778872873379622,0.2223810344533744705443560,0.1012285362903762591525314], |
|
905 [0.3302393550012597631645251,0.3123470770400028400686304,0.2606106964029354623187429,0.1806481606948574040584720,0.0812743883615744119718922], |
|
906 [0.2955242247147528701738930,0.2692667193099963550912269,0.2190863625159820439955349,0.1494513491505805931457763,0.0666713443086881375935688], |
|
907 [0.2729250867779006307144835,0.2628045445102466621806889,0.2331937645919904799185237,0.1862902109277342514260976,0.1255803694649046246346943,0.0556685671161736664827537], |
|
908 [0.2491470458134027850005624,0.2334925365383548087608499,0.2031674267230659217490645,0.1600783285433462263346525,0.1069393259953184309602547,0.0471753363865118271946160], |
|
909 [0.2325515532308739101945895,0.2262831802628972384120902,0.2078160475368885023125232,0.1781459807619457382800467,0.1388735102197872384636018,0.0921214998377284479144218,0.0404840047653158795200216], |
|
910 [0.2152638534631577901958764,0.2051984637212956039659241,0.1855383974779378137417166,0.1572031671581935345696019,0.1215185706879031846894148,0.0801580871597602098056333,0.0351194603317518630318329], |
|
911 [0.2025782419255612728806202,0.1984314853271115764561183,0.1861610000155622110268006,0.1662692058169939335532009,0.1395706779261543144478048,0.1071592204671719350118695,0.0703660474881081247092674,0.0307532419961172683546284], |
|
912 [0.1894506104550684962853967,0.1826034150449235888667637,0.1691565193950025381893121,0.1495959888165767320815017,0.1246289712555338720524763,0.0951585116824927848099251,0.0622535239386478928628438,0.0271524594117540948517806] |
|
913 ]; |
|
914 |
|
915 var abs = Math.abs, |
|
916 sqrt = Math.sqrt, |
|
917 pow = Math.pow, |
|
918 TOLERANCE = 1e-6, |
|
919 EPSILON = 1e-12, |
|
920 MACHINE_EPSILON = 1.12e-16; |
|
921 |
|
922 return { |
|
923 TOLERANCE: TOLERANCE, |
|
924 EPSILON: EPSILON, |
|
925 MACHINE_EPSILON: MACHINE_EPSILON, |
|
926 KAPPA: 4 * (sqrt(2) - 1) / 3, |
|
927 |
|
928 isZero: function(val) { |
|
929 return abs(val) <= EPSILON; |
|
930 }, |
|
931 |
|
932 integrate: function(f, a, b, n) { |
|
933 var x = abscissas[n - 2], |
|
934 w = weights[n - 2], |
|
935 A = (b - a) * 0.5, |
|
936 B = A + a, |
|
937 i = 0, |
|
938 m = (n + 1) >> 1, |
|
939 sum = n & 1 ? w[i++] * f(B) : 0; |
|
940 while (i < m) { |
|
941 var Ax = A * x[i]; |
|
942 sum += w[i++] * (f(B + Ax) + f(B - Ax)); |
|
943 } |
|
944 return A * sum; |
|
945 }, |
|
946 |
|
947 findRoot: function(f, df, x, a, b, n, tolerance) { |
|
948 for (var i = 0; i < n; i++) { |
|
949 var fx = f(x), |
|
950 dx = fx / df(x), |
|
951 nx = x - dx; |
|
952 if (abs(dx) < tolerance) |
|
953 return nx; |
|
954 if (fx > 0) { |
|
955 b = x; |
|
956 x = nx <= a ? (a + b) * 0.5 : nx; |
|
957 } else { |
|
958 a = x; |
|
959 x = nx >= b ? (a + b) * 0.5 : nx; |
|
960 } |
|
961 } |
|
962 return x; |
|
963 }, |
|
964 |
|
965 solveQuadratic: function(a, b, c, roots, min, max) { |
|
966 var count = 0, |
|
967 x1, x2 = Infinity, |
|
968 B = b, |
|
969 D; |
|
970 b /= 2; |
|
971 D = b * b - a * c; |
|
972 if (abs(D) < MACHINE_EPSILON) { |
|
973 var pow = Math.pow, |
|
974 gmC = pow(abs(a*b*c), 1/3); |
|
975 if (gmC < 1e-8) { |
|
976 /* |
|
977 * we multiply with a factor to normalize the |
|
978 * coefficients. The factor is just the nearest exponent |
|
979 * of 10, big enough to raise all the coefficients to |
|
980 * nearly [-1, +1] range. |
|
981 */ |
|
982 var mult = pow(10, abs( |
|
983 Math.floor(Math.log(gmC) * Math.LOG10E))); |
|
984 if (!isFinite(mult)) |
|
985 mult = 0; |
|
986 a *= mult; |
|
987 b *= mult; |
|
988 c *= mult; |
|
989 D = b * b - a * c; |
|
990 } |
|
991 } |
|
992 if (abs(a) < MACHINE_EPSILON) { |
|
993 if (abs(B) < MACHINE_EPSILON) |
|
994 return abs(c) < MACHINE_EPSILON ? -1 : 0; |
|
995 x1 = -c / B; |
|
996 } else { |
|
997 if (D >= -MACHINE_EPSILON) { |
|
998 D = D < 0 ? 0 : D; |
|
999 var R = sqrt(D); |
|
1000 if (b >= MACHINE_EPSILON && b <= MACHINE_EPSILON) { |
|
1001 x1 = abs(a) >= abs(c) ? R / a : -c / R; |
|
1002 x2 = -x1; |
|
1003 } else { |
|
1004 var q = -(b + (b < 0 ? -1 : 1) * R); |
|
1005 x1 = q / a; |
|
1006 x2 = c / q; |
|
1007 } |
|
1008 } |
|
1009 } |
|
1010 if (isFinite(x1) && (min == null || x1 >= min && x1 <= max)) |
|
1011 roots[count++] = x1; |
|
1012 if (x2 !== x1 |
|
1013 && isFinite(x2) && (min == null || x2 >= min && x2 <= max)) |
|
1014 roots[count++] = x2; |
|
1015 return count; |
|
1016 }, |
|
1017 |
|
1018 solveCubic: function(a, b, c, d, roots, min, max) { |
|
1019 var x, b1, c2, count = 0; |
|
1020 if (a === 0) { |
|
1021 a = b; |
|
1022 b1 = c; |
|
1023 c2 = d; |
|
1024 x = Infinity; |
|
1025 } else if (d === 0) { |
|
1026 b1 = b; |
|
1027 c2 = c; |
|
1028 x = 0; |
|
1029 } else { |
|
1030 var ec = 1 + MACHINE_EPSILON, |
|
1031 x0, q, qd, t, r, s, tmp; |
|
1032 x = -(b / a) / 3; |
|
1033 tmp = a * x, |
|
1034 b1 = tmp + b, |
|
1035 c2 = b1 * x + c, |
|
1036 qd = (tmp + b1) * x + c2, |
|
1037 q = c2 * x + d; |
|
1038 t = q /a; |
|
1039 r = pow(abs(t), 1/3); |
|
1040 s = t < 0 ? -1 : 1; |
|
1041 t = -qd / a; |
|
1042 r = t > 0 ? 1.3247179572 * Math.max(r, sqrt(t)) : r; |
|
1043 x0 = x - s * r; |
|
1044 if (x0 !== x) { |
|
1045 do { |
|
1046 x = x0; |
|
1047 tmp = a * x, |
|
1048 b1 = tmp + b, |
|
1049 c2 = b1 * x + c, |
|
1050 qd = (tmp + b1) * x + c2, |
|
1051 q = c2 * x + d; |
|
1052 x0 = qd === 0 ? x : x - q / qd / ec; |
|
1053 if (x0 === x) { |
|
1054 x = x0; |
|
1055 break; |
|
1056 } |
|
1057 } while (s * x0 > s * x); |
|
1058 if (abs(a) * x * x > abs(d / x)) { |
|
1059 c2 = -d / x; |
|
1060 b1 = (c2 - c) / x; |
|
1061 } |
|
1062 } |
|
1063 } |
|
1064 var count = Numerical.solveQuadratic(a, b1, c2, roots, min, max); |
|
1065 if (isFinite(x) && (count === 0 || x !== roots[count - 1]) |
|
1066 && (min == null || x >= min && x <= max)) |
|
1067 roots[count++] = x; |
|
1068 return count; |
|
1069 } |
|
1070 }; |
|
1071 }; |
|
1072 |
|
1073 var Point = Base.extend({ |
|
1074 _class: 'Point', |
|
1075 _readIndex: true, |
|
1076 |
|
1077 initialize: function Point(arg0, arg1) { |
|
1078 var type = typeof arg0; |
|
1079 if (type === 'number') { |
|
1080 var hasY = typeof arg1 === 'number'; |
|
1081 this.x = arg0; |
|
1082 this.y = hasY ? arg1 : arg0; |
|
1083 if (this.__read) |
|
1084 this.__read = hasY ? 2 : 1; |
|
1085 } else if (type === 'undefined' || arg0 === null) { |
|
1086 this.x = this.y = 0; |
|
1087 if (this.__read) |
|
1088 this.__read = arg0 === null ? 1 : 0; |
|
1089 } else { |
|
1090 if (Array.isArray(arg0)) { |
|
1091 this.x = arg0[0]; |
|
1092 this.y = arg0.length > 1 ? arg0[1] : arg0[0]; |
|
1093 } else if (arg0.x != null) { |
|
1094 this.x = arg0.x; |
|
1095 this.y = arg0.y; |
|
1096 } else if (arg0.width != null) { |
|
1097 this.x = arg0.width; |
|
1098 this.y = arg0.height; |
|
1099 } else if (arg0.angle != null) { |
|
1100 this.x = arg0.length; |
|
1101 this.y = 0; |
|
1102 this.setAngle(arg0.angle); |
|
1103 } else { |
|
1104 this.x = this.y = 0; |
|
1105 if (this.__read) |
|
1106 this.__read = 0; |
|
1107 } |
|
1108 if (this.__read) |
|
1109 this.__read = 1; |
|
1110 } |
|
1111 }, |
|
1112 |
|
1113 set: function(x, y) { |
|
1114 this.x = x; |
|
1115 this.y = y; |
|
1116 return this; |
|
1117 }, |
|
1118 |
|
1119 equals: function(point) { |
|
1120 return this === point || point |
|
1121 && (this.x === point.x && this.y === point.y |
|
1122 || Array.isArray(point) |
|
1123 && this.x === point[0] && this.y === point[1]) |
|
1124 || false; |
|
1125 }, |
|
1126 |
|
1127 clone: function() { |
|
1128 return new Point(this.x, this.y); |
|
1129 }, |
|
1130 |
|
1131 toString: function() { |
|
1132 var f = Formatter.instance; |
|
1133 return '{ x: ' + f.number(this.x) + ', y: ' + f.number(this.y) + ' }'; |
|
1134 }, |
|
1135 |
|
1136 _serialize: function(options) { |
|
1137 var f = options.formatter; |
|
1138 return [f.number(this.x), f.number(this.y)]; |
|
1139 }, |
|
1140 |
|
1141 getLength: function() { |
|
1142 return Math.sqrt(this.x * this.x + this.y * this.y); |
|
1143 }, |
|
1144 |
|
1145 setLength: function(length) { |
|
1146 if (this.isZero()) { |
|
1147 var angle = this._angle || 0; |
|
1148 this.set( |
|
1149 Math.cos(angle) * length, |
|
1150 Math.sin(angle) * length |
|
1151 ); |
|
1152 } else { |
|
1153 var scale = length / this.getLength(); |
|
1154 if (Numerical.isZero(scale)) |
|
1155 this.getAngle(); |
|
1156 this.set( |
|
1157 this.x * scale, |
|
1158 this.y * scale |
|
1159 ); |
|
1160 } |
|
1161 }, |
|
1162 getAngle: function() { |
|
1163 return this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI; |
|
1164 }, |
|
1165 |
|
1166 setAngle: function(angle) { |
|
1167 this.setAngleInRadians.call(this, angle * Math.PI / 180); |
|
1168 }, |
|
1169 |
|
1170 getAngleInDegrees: '#getAngle', |
|
1171 setAngleInDegrees: '#setAngle', |
|
1172 |
|
1173 getAngleInRadians: function() { |
|
1174 if (!arguments.length) { |
|
1175 return this.isZero() |
|
1176 ? this._angle || 0 |
|
1177 : this._angle = Math.atan2(this.y, this.x); |
|
1178 } else { |
|
1179 var point = Point.read(arguments), |
|
1180 div = this.getLength() * point.getLength(); |
|
1181 if (Numerical.isZero(div)) { |
|
1182 return NaN; |
|
1183 } else { |
|
1184 var a = this.dot(point) / div; |
|
1185 return Math.acos(a < -1 ? -1 : a > 1 ? 1 : a); |
|
1186 } |
|
1187 } |
|
1188 }, |
|
1189 |
|
1190 setAngleInRadians: function(angle) { |
|
1191 this._angle = angle; |
|
1192 if (!this.isZero()) { |
|
1193 var length = this.getLength(); |
|
1194 this.set( |
|
1195 Math.cos(angle) * length, |
|
1196 Math.sin(angle) * length |
|
1197 ); |
|
1198 } |
|
1199 }, |
|
1200 |
|
1201 getQuadrant: function() { |
|
1202 return this.x >= 0 ? this.y >= 0 ? 1 : 4 : this.y >= 0 ? 2 : 3; |
|
1203 } |
|
1204 }, { |
|
1205 beans: false, |
|
1206 |
|
1207 getDirectedAngle: function() { |
|
1208 var point = Point.read(arguments); |
|
1209 return Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI; |
|
1210 }, |
|
1211 |
|
1212 getDistance: function() { |
|
1213 var point = Point.read(arguments), |
|
1214 x = point.x - this.x, |
|
1215 y = point.y - this.y, |
|
1216 d = x * x + y * y, |
|
1217 squared = Base.read(arguments); |
|
1218 return squared ? d : Math.sqrt(d); |
|
1219 }, |
|
1220 |
|
1221 normalize: function(length) { |
|
1222 if (length === undefined) |
|
1223 length = 1; |
|
1224 var current = this.getLength(), |
|
1225 scale = current !== 0 ? length / current : 0, |
|
1226 point = new Point(this.x * scale, this.y * scale); |
|
1227 if (scale >= 0) |
|
1228 point._angle = this._angle; |
|
1229 return point; |
|
1230 }, |
|
1231 |
|
1232 rotate: function(angle, center) { |
|
1233 if (angle === 0) |
|
1234 return this.clone(); |
|
1235 angle = angle * Math.PI / 180; |
|
1236 var point = center ? this.subtract(center) : this, |
|
1237 s = Math.sin(angle), |
|
1238 c = Math.cos(angle); |
|
1239 point = new Point( |
|
1240 point.x * c - point.y * s, |
|
1241 point.x * s + point.y * c |
|
1242 ); |
|
1243 return center ? point.add(center) : point; |
|
1244 }, |
|
1245 |
|
1246 transform: function(matrix) { |
|
1247 return matrix ? matrix._transformPoint(this) : this; |
|
1248 }, |
|
1249 |
|
1250 add: function() { |
|
1251 var point = Point.read(arguments); |
|
1252 return new Point(this.x + point.x, this.y + point.y); |
|
1253 }, |
|
1254 |
|
1255 subtract: function() { |
|
1256 var point = Point.read(arguments); |
|
1257 return new Point(this.x - point.x, this.y - point.y); |
|
1258 }, |
|
1259 |
|
1260 multiply: function() { |
|
1261 var point = Point.read(arguments); |
|
1262 return new Point(this.x * point.x, this.y * point.y); |
|
1263 }, |
|
1264 |
|
1265 divide: function() { |
|
1266 var point = Point.read(arguments); |
|
1267 return new Point(this.x / point.x, this.y / point.y); |
|
1268 }, |
|
1269 |
|
1270 modulo: function() { |
|
1271 var point = Point.read(arguments); |
|
1272 return new Point(this.x % point.x, this.y % point.y); |
|
1273 }, |
|
1274 |
|
1275 negate: function() { |
|
1276 return new Point(-this.x, -this.y); |
|
1277 }, |
|
1278 |
|
1279 isInside: function() { |
|
1280 return Rectangle.read(arguments).contains(this); |
|
1281 }, |
|
1282 |
|
1283 isClose: function(point, tolerance) { |
|
1284 return this.getDistance(point) < tolerance; |
|
1285 }, |
|
1286 |
|
1287 isColinear: function(point) { |
|
1288 return Math.abs(this.cross(point)) < 1e-12; |
|
1289 }, |
|
1290 |
|
1291 isOrthogonal: function(point) { |
|
1292 return Math.abs(this.dot(point)) < 1e-12; |
|
1293 }, |
|
1294 |
|
1295 isZero: function() { |
|
1296 return Numerical.isZero(this.x) && Numerical.isZero(this.y); |
|
1297 }, |
|
1298 |
|
1299 isNaN: function() { |
|
1300 return isNaN(this.x) || isNaN(this.y); |
|
1301 }, |
|
1302 |
|
1303 dot: function() { |
|
1304 var point = Point.read(arguments); |
|
1305 return this.x * point.x + this.y * point.y; |
|
1306 }, |
|
1307 |
|
1308 cross: function() { |
|
1309 var point = Point.read(arguments); |
|
1310 return this.x * point.y - this.y * point.x; |
|
1311 }, |
|
1312 |
|
1313 project: function() { |
|
1314 var point = Point.read(arguments); |
|
1315 if (point.isZero()) { |
|
1316 return new Point(0, 0); |
|
1317 } else { |
|
1318 var scale = this.dot(point) / point.dot(point); |
|
1319 return new Point( |
|
1320 point.x * scale, |
|
1321 point.y * scale |
|
1322 ); |
|
1323 } |
|
1324 }, |
|
1325 |
|
1326 statics: { |
|
1327 min: function() { |
|
1328 var point1 = Point.read(arguments), |
|
1329 point2 = Point.read(arguments); |
|
1330 return new Point( |
|
1331 Math.min(point1.x, point2.x), |
|
1332 Math.min(point1.y, point2.y) |
|
1333 ); |
|
1334 }, |
|
1335 |
|
1336 max: function() { |
|
1337 var point1 = Point.read(arguments), |
|
1338 point2 = Point.read(arguments); |
|
1339 return new Point( |
|
1340 Math.max(point1.x, point2.x), |
|
1341 Math.max(point1.y, point2.y) |
|
1342 ); |
|
1343 }, |
|
1344 |
|
1345 random: function() { |
|
1346 return new Point(Math.random(), Math.random()); |
|
1347 } |
|
1348 } |
|
1349 }, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) { |
|
1350 var op = Math[name]; |
|
1351 this[name] = function() { |
|
1352 return new Point(op(this.x), op(this.y)); |
|
1353 }; |
|
1354 }, {})); |
|
1355 |
|
1356 var LinkedPoint = Point.extend({ |
|
1357 initialize: function Point(x, y, owner, setter) { |
|
1358 this._x = x; |
|
1359 this._y = y; |
|
1360 this._owner = owner; |
|
1361 this._setter = setter; |
|
1362 }, |
|
1363 |
|
1364 set: function(x, y, _dontNotify) { |
|
1365 this._x = x; |
|
1366 this._y = y; |
|
1367 if (!_dontNotify) |
|
1368 this._owner[this._setter](this); |
|
1369 return this; |
|
1370 }, |
|
1371 |
|
1372 getX: function() { |
|
1373 return this._x; |
|
1374 }, |
|
1375 |
|
1376 setX: function(x) { |
|
1377 this._x = x; |
|
1378 this._owner[this._setter](this); |
|
1379 }, |
|
1380 |
|
1381 getY: function() { |
|
1382 return this._y; |
|
1383 }, |
|
1384 |
|
1385 setY: function(y) { |
|
1386 this._y = y; |
|
1387 this._owner[this._setter](this); |
|
1388 } |
|
1389 }); |
|
1390 |
|
1391 var Size = Base.extend({ |
|
1392 _class: 'Size', |
|
1393 _readIndex: true, |
|
1394 |
|
1395 initialize: function Size(arg0, arg1) { |
|
1396 var type = typeof arg0; |
|
1397 if (type === 'number') { |
|
1398 var hasHeight = typeof arg1 === 'number'; |
|
1399 this.width = arg0; |
|
1400 this.height = hasHeight ? arg1 : arg0; |
|
1401 if (this.__read) |
|
1402 this.__read = hasHeight ? 2 : 1; |
|
1403 } else if (type === 'undefined' || arg0 === null) { |
|
1404 this.width = this.height = 0; |
|
1405 if (this.__read) |
|
1406 this.__read = arg0 === null ? 1 : 0; |
|
1407 } else { |
|
1408 if (Array.isArray(arg0)) { |
|
1409 this.width = arg0[0]; |
|
1410 this.height = arg0.length > 1 ? arg0[1] : arg0[0]; |
|
1411 } else if (arg0.width != null) { |
|
1412 this.width = arg0.width; |
|
1413 this.height = arg0.height; |
|
1414 } else if (arg0.x != null) { |
|
1415 this.width = arg0.x; |
|
1416 this.height = arg0.y; |
|
1417 } else { |
|
1418 this.width = this.height = 0; |
|
1419 if (this.__read) |
|
1420 this.__read = 0; |
|
1421 } |
|
1422 if (this.__read) |
|
1423 this.__read = 1; |
|
1424 } |
|
1425 }, |
|
1426 |
|
1427 set: function(width, height) { |
|
1428 this.width = width; |
|
1429 this.height = height; |
|
1430 return this; |
|
1431 }, |
|
1432 |
|
1433 equals: function(size) { |
|
1434 return size === this || size && (this.width === size.width |
|
1435 && this.height === size.height |
|
1436 || Array.isArray(size) && this.width === size[0] |
|
1437 && this.height === size[1]) || false; |
|
1438 }, |
|
1439 |
|
1440 clone: function() { |
|
1441 return new Size(this.width, this.height); |
|
1442 }, |
|
1443 |
|
1444 toString: function() { |
|
1445 var f = Formatter.instance; |
|
1446 return '{ width: ' + f.number(this.width) |
|
1447 + ', height: ' + f.number(this.height) + ' }'; |
|
1448 }, |
|
1449 |
|
1450 _serialize: function(options) { |
|
1451 var f = options.formatter; |
|
1452 return [f.number(this.width), |
|
1453 f.number(this.height)]; |
|
1454 }, |
|
1455 |
|
1456 add: function() { |
|
1457 var size = Size.read(arguments); |
|
1458 return new Size(this.width + size.width, this.height + size.height); |
|
1459 }, |
|
1460 |
|
1461 subtract: function() { |
|
1462 var size = Size.read(arguments); |
|
1463 return new Size(this.width - size.width, this.height - size.height); |
|
1464 }, |
|
1465 |
|
1466 multiply: function() { |
|
1467 var size = Size.read(arguments); |
|
1468 return new Size(this.width * size.width, this.height * size.height); |
|
1469 }, |
|
1470 |
|
1471 divide: function() { |
|
1472 var size = Size.read(arguments); |
|
1473 return new Size(this.width / size.width, this.height / size.height); |
|
1474 }, |
|
1475 |
|
1476 modulo: function() { |
|
1477 var size = Size.read(arguments); |
|
1478 return new Size(this.width % size.width, this.height % size.height); |
|
1479 }, |
|
1480 |
|
1481 negate: function() { |
|
1482 return new Size(-this.width, -this.height); |
|
1483 }, |
|
1484 |
|
1485 isZero: function() { |
|
1486 return Numerical.isZero(this.width) && Numerical.isZero(this.height); |
|
1487 }, |
|
1488 |
|
1489 isNaN: function() { |
|
1490 return isNaN(this.width) || isNaN(this.height); |
|
1491 }, |
|
1492 |
|
1493 statics: { |
|
1494 min: function(size1, size2) { |
|
1495 return new Size( |
|
1496 Math.min(size1.width, size2.width), |
|
1497 Math.min(size1.height, size2.height)); |
|
1498 }, |
|
1499 |
|
1500 max: function(size1, size2) { |
|
1501 return new Size( |
|
1502 Math.max(size1.width, size2.width), |
|
1503 Math.max(size1.height, size2.height)); |
|
1504 }, |
|
1505 |
|
1506 random: function() { |
|
1507 return new Size(Math.random(), Math.random()); |
|
1508 } |
|
1509 } |
|
1510 }, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) { |
|
1511 var op = Math[name]; |
|
1512 this[name] = function() { |
|
1513 return new Size(op(this.width), op(this.height)); |
|
1514 }; |
|
1515 }, {})); |
|
1516 |
|
1517 var LinkedSize = Size.extend({ |
|
1518 initialize: function Size(width, height, owner, setter) { |
|
1519 this._width = width; |
|
1520 this._height = height; |
|
1521 this._owner = owner; |
|
1522 this._setter = setter; |
|
1523 }, |
|
1524 |
|
1525 set: function(width, height, _dontNotify) { |
|
1526 this._width = width; |
|
1527 this._height = height; |
|
1528 if (!_dontNotify) |
|
1529 this._owner[this._setter](this); |
|
1530 return this; |
|
1531 }, |
|
1532 |
|
1533 getWidth: function() { |
|
1534 return this._width; |
|
1535 }, |
|
1536 |
|
1537 setWidth: function(width) { |
|
1538 this._width = width; |
|
1539 this._owner[this._setter](this); |
|
1540 }, |
|
1541 |
|
1542 getHeight: function() { |
|
1543 return this._height; |
|
1544 }, |
|
1545 |
|
1546 setHeight: function(height) { |
|
1547 this._height = height; |
|
1548 this._owner[this._setter](this); |
|
1549 } |
|
1550 }); |
|
1551 |
|
1552 var Rectangle = Base.extend({ |
|
1553 _class: 'Rectangle', |
|
1554 _readIndex: true, |
|
1555 beans: true, |
|
1556 |
|
1557 initialize: function Rectangle(arg0, arg1, arg2, arg3) { |
|
1558 var type = typeof arg0, |
|
1559 read = 0; |
|
1560 if (type === 'number') { |
|
1561 this.x = arg0; |
|
1562 this.y = arg1; |
|
1563 this.width = arg2; |
|
1564 this.height = arg3; |
|
1565 read = 4; |
|
1566 } else if (type === 'undefined' || arg0 === null) { |
|
1567 this.x = this.y = this.width = this.height = 0; |
|
1568 read = arg0 === null ? 1 : 0; |
|
1569 } else if (arguments.length === 1) { |
|
1570 if (Array.isArray(arg0)) { |
|
1571 this.x = arg0[0]; |
|
1572 this.y = arg0[1]; |
|
1573 this.width = arg0[2]; |
|
1574 this.height = arg0[3]; |
|
1575 read = 1; |
|
1576 } else if (arg0.x !== undefined || arg0.width !== undefined) { |
|
1577 this.x = arg0.x || 0; |
|
1578 this.y = arg0.y || 0; |
|
1579 this.width = arg0.width || 0; |
|
1580 this.height = arg0.height || 0; |
|
1581 read = 1; |
|
1582 } else if (arg0.from === undefined && arg0.to === undefined) { |
|
1583 this.x = this.y = this.width = this.height = 0; |
|
1584 this._set(arg0); |
|
1585 read = 1; |
|
1586 } |
|
1587 } |
|
1588 if (!read) { |
|
1589 var point = Point.readNamed(arguments, 'from'), |
|
1590 next = Base.peek(arguments); |
|
1591 this.x = point.x; |
|
1592 this.y = point.y; |
|
1593 if (next && next.x !== undefined || Base.hasNamed(arguments, 'to')) { |
|
1594 var to = Point.readNamed(arguments, 'to'); |
|
1595 this.width = to.x - point.x; |
|
1596 this.height = to.y - point.y; |
|
1597 if (this.width < 0) { |
|
1598 this.x = to.x; |
|
1599 this.width = -this.width; |
|
1600 } |
|
1601 if (this.height < 0) { |
|
1602 this.y = to.y; |
|
1603 this.height = -this.height; |
|
1604 } |
|
1605 } else { |
|
1606 var size = Size.read(arguments); |
|
1607 this.width = size.width; |
|
1608 this.height = size.height; |
|
1609 } |
|
1610 read = arguments.__index; |
|
1611 } |
|
1612 if (this.__read) |
|
1613 this.__read = read; |
|
1614 }, |
|
1615 |
|
1616 set: function(x, y, width, height) { |
|
1617 this.x = x; |
|
1618 this.y = y; |
|
1619 this.width = width; |
|
1620 this.height = height; |
|
1621 return this; |
|
1622 }, |
|
1623 |
|
1624 clone: function() { |
|
1625 return new Rectangle(this.x, this.y, this.width, this.height); |
|
1626 }, |
|
1627 |
|
1628 equals: function(rect) { |
|
1629 var rt = Base.isPlainValue(rect) |
|
1630 ? Rectangle.read(arguments) |
|
1631 : rect; |
|
1632 return rt === this |
|
1633 || rt && this.x === rt.x && this.y === rt.y |
|
1634 && this.width === rt.width && this.height === rt.height |
|
1635 || false; |
|
1636 }, |
|
1637 |
|
1638 toString: function() { |
|
1639 var f = Formatter.instance; |
|
1640 return '{ x: ' + f.number(this.x) |
|
1641 + ', y: ' + f.number(this.y) |
|
1642 + ', width: ' + f.number(this.width) |
|
1643 + ', height: ' + f.number(this.height) |
|
1644 + ' }'; |
|
1645 }, |
|
1646 |
|
1647 _serialize: function(options) { |
|
1648 var f = options.formatter; |
|
1649 return [f.number(this.x), |
|
1650 f.number(this.y), |
|
1651 f.number(this.width), |
|
1652 f.number(this.height)]; |
|
1653 }, |
|
1654 |
|
1655 getPoint: function(_dontLink) { |
|
1656 var ctor = _dontLink ? Point : LinkedPoint; |
|
1657 return new ctor(this.x, this.y, this, 'setPoint'); |
|
1658 }, |
|
1659 |
|
1660 setPoint: function() { |
|
1661 var point = Point.read(arguments); |
|
1662 this.x = point.x; |
|
1663 this.y = point.y; |
|
1664 }, |
|
1665 |
|
1666 getSize: function(_dontLink) { |
|
1667 var ctor = _dontLink ? Size : LinkedSize; |
|
1668 return new ctor(this.width, this.height, this, 'setSize'); |
|
1669 }, |
|
1670 |
|
1671 setSize: function() { |
|
1672 var size = Size.read(arguments); |
|
1673 if (this._fixX) |
|
1674 this.x += (this.width - size.width) * this._fixX; |
|
1675 if (this._fixY) |
|
1676 this.y += (this.height - size.height) * this._fixY; |
|
1677 this.width = size.width; |
|
1678 this.height = size.height; |
|
1679 this._fixW = 1; |
|
1680 this._fixH = 1; |
|
1681 }, |
|
1682 |
|
1683 getLeft: function() { |
|
1684 return this.x; |
|
1685 }, |
|
1686 |
|
1687 setLeft: function(left) { |
|
1688 if (!this._fixW) |
|
1689 this.width -= left - this.x; |
|
1690 this.x = left; |
|
1691 this._fixX = 0; |
|
1692 }, |
|
1693 |
|
1694 getTop: function() { |
|
1695 return this.y; |
|
1696 }, |
|
1697 |
|
1698 setTop: function(top) { |
|
1699 if (!this._fixH) |
|
1700 this.height -= top - this.y; |
|
1701 this.y = top; |
|
1702 this._fixY = 0; |
|
1703 }, |
|
1704 |
|
1705 getRight: function() { |
|
1706 return this.x + this.width; |
|
1707 }, |
|
1708 |
|
1709 setRight: function(right) { |
|
1710 if (this._fixX !== undefined && this._fixX !== 1) |
|
1711 this._fixW = 0; |
|
1712 if (this._fixW) |
|
1713 this.x = right - this.width; |
|
1714 else |
|
1715 this.width = right - this.x; |
|
1716 this._fixX = 1; |
|
1717 }, |
|
1718 |
|
1719 getBottom: function() { |
|
1720 return this.y + this.height; |
|
1721 }, |
|
1722 |
|
1723 setBottom: function(bottom) { |
|
1724 if (this._fixY !== undefined && this._fixY !== 1) |
|
1725 this._fixH = 0; |
|
1726 if (this._fixH) |
|
1727 this.y = bottom - this.height; |
|
1728 else |
|
1729 this.height = bottom - this.y; |
|
1730 this._fixY = 1; |
|
1731 }, |
|
1732 |
|
1733 getCenterX: function() { |
|
1734 return this.x + this.width * 0.5; |
|
1735 }, |
|
1736 |
|
1737 setCenterX: function(x) { |
|
1738 this.x = x - this.width * 0.5; |
|
1739 this._fixX = 0.5; |
|
1740 }, |
|
1741 |
|
1742 getCenterY: function() { |
|
1743 return this.y + this.height * 0.5; |
|
1744 }, |
|
1745 |
|
1746 setCenterY: function(y) { |
|
1747 this.y = y - this.height * 0.5; |
|
1748 this._fixY = 0.5; |
|
1749 }, |
|
1750 |
|
1751 getCenter: function(_dontLink) { |
|
1752 var ctor = _dontLink ? Point : LinkedPoint; |
|
1753 return new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter'); |
|
1754 }, |
|
1755 |
|
1756 setCenter: function() { |
|
1757 var point = Point.read(arguments); |
|
1758 this.setCenterX(point.x); |
|
1759 this.setCenterY(point.y); |
|
1760 return this; |
|
1761 }, |
|
1762 |
|
1763 getArea: function() { |
|
1764 return this.width * this.height; |
|
1765 }, |
|
1766 |
|
1767 isEmpty: function() { |
|
1768 return this.width === 0 || this.height === 0; |
|
1769 }, |
|
1770 |
|
1771 contains: function(arg) { |
|
1772 return arg && arg.width !== undefined |
|
1773 || (Array.isArray(arg) ? arg : arguments).length == 4 |
|
1774 ? this._containsRectangle(Rectangle.read(arguments)) |
|
1775 : this._containsPoint(Point.read(arguments)); |
|
1776 }, |
|
1777 |
|
1778 _containsPoint: function(point) { |
|
1779 var x = point.x, |
|
1780 y = point.y; |
|
1781 return x >= this.x && y >= this.y |
|
1782 && x <= this.x + this.width |
|
1783 && y <= this.y + this.height; |
|
1784 }, |
|
1785 |
|
1786 _containsRectangle: function(rect) { |
|
1787 var x = rect.x, |
|
1788 y = rect.y; |
|
1789 return x >= this.x && y >= this.y |
|
1790 && x + rect.width <= this.x + this.width |
|
1791 && y + rect.height <= this.y + this.height; |
|
1792 }, |
|
1793 |
|
1794 intersects: function() { |
|
1795 var rect = Rectangle.read(arguments); |
|
1796 return rect.x + rect.width > this.x |
|
1797 && rect.y + rect.height > this.y |
|
1798 && rect.x < this.x + this.width |
|
1799 && rect.y < this.y + this.height; |
|
1800 }, |
|
1801 |
|
1802 touches: function() { |
|
1803 var rect = Rectangle.read(arguments); |
|
1804 return rect.x + rect.width >= this.x |
|
1805 && rect.y + rect.height >= this.y |
|
1806 && rect.x <= this.x + this.width |
|
1807 && rect.y <= this.y + this.height; |
|
1808 }, |
|
1809 |
|
1810 intersect: function() { |
|
1811 var rect = Rectangle.read(arguments), |
|
1812 x1 = Math.max(this.x, rect.x), |
|
1813 y1 = Math.max(this.y, rect.y), |
|
1814 x2 = Math.min(this.x + this.width, rect.x + rect.width), |
|
1815 y2 = Math.min(this.y + this.height, rect.y + rect.height); |
|
1816 return new Rectangle(x1, y1, x2 - x1, y2 - y1); |
|
1817 }, |
|
1818 |
|
1819 unite: function() { |
|
1820 var rect = Rectangle.read(arguments), |
|
1821 x1 = Math.min(this.x, rect.x), |
|
1822 y1 = Math.min(this.y, rect.y), |
|
1823 x2 = Math.max(this.x + this.width, rect.x + rect.width), |
|
1824 y2 = Math.max(this.y + this.height, rect.y + rect.height); |
|
1825 return new Rectangle(x1, y1, x2 - x1, y2 - y1); |
|
1826 }, |
|
1827 |
|
1828 include: function() { |
|
1829 var point = Point.read(arguments); |
|
1830 var x1 = Math.min(this.x, point.x), |
|
1831 y1 = Math.min(this.y, point.y), |
|
1832 x2 = Math.max(this.x + this.width, point.x), |
|
1833 y2 = Math.max(this.y + this.height, point.y); |
|
1834 return new Rectangle(x1, y1, x2 - x1, y2 - y1); |
|
1835 }, |
|
1836 |
|
1837 expand: function() { |
|
1838 var amount = Size.read(arguments), |
|
1839 hor = amount.width, |
|
1840 ver = amount.height; |
|
1841 return new Rectangle(this.x - hor / 2, this.y - ver / 2, |
|
1842 this.width + hor, this.height + ver); |
|
1843 }, |
|
1844 |
|
1845 scale: function(hor, ver) { |
|
1846 return this.expand(this.width * hor - this.width, |
|
1847 this.height * (ver === undefined ? hor : ver) - this.height); |
|
1848 } |
|
1849 }, Base.each([ |
|
1850 ['Top', 'Left'], ['Top', 'Right'], |
|
1851 ['Bottom', 'Left'], ['Bottom', 'Right'], |
|
1852 ['Left', 'Center'], ['Top', 'Center'], |
|
1853 ['Right', 'Center'], ['Bottom', 'Center'] |
|
1854 ], |
|
1855 function(parts, index) { |
|
1856 var part = parts.join(''); |
|
1857 var xFirst = /^[RL]/.test(part); |
|
1858 if (index >= 4) |
|
1859 parts[1] += xFirst ? 'Y' : 'X'; |
|
1860 var x = parts[xFirst ? 0 : 1], |
|
1861 y = parts[xFirst ? 1 : 0], |
|
1862 getX = 'get' + x, |
|
1863 getY = 'get' + y, |
|
1864 setX = 'set' + x, |
|
1865 setY = 'set' + y, |
|
1866 get = 'get' + part, |
|
1867 set = 'set' + part; |
|
1868 this[get] = function(_dontLink) { |
|
1869 var ctor = _dontLink ? Point : LinkedPoint; |
|
1870 return new ctor(this[getX](), this[getY](), this, set); |
|
1871 }; |
|
1872 this[set] = function() { |
|
1873 var point = Point.read(arguments); |
|
1874 this[setX](point.x); |
|
1875 this[setY](point.y); |
|
1876 }; |
|
1877 }, { |
|
1878 beans: true |
|
1879 } |
|
1880 )); |
|
1881 |
|
1882 var LinkedRectangle = Rectangle.extend({ |
|
1883 initialize: function Rectangle(x, y, width, height, owner, setter) { |
|
1884 this.set(x, y, width, height, true); |
|
1885 this._owner = owner; |
|
1886 this._setter = setter; |
|
1887 }, |
|
1888 |
|
1889 set: function(x, y, width, height, _dontNotify) { |
|
1890 this._x = x; |
|
1891 this._y = y; |
|
1892 this._width = width; |
|
1893 this._height = height; |
|
1894 if (!_dontNotify) |
|
1895 this._owner[this._setter](this); |
|
1896 return this; |
|
1897 } |
|
1898 }, new function() { |
|
1899 var proto = Rectangle.prototype; |
|
1900 |
|
1901 return Base.each(['x', 'y', 'width', 'height'], function(key) { |
|
1902 var part = Base.capitalize(key); |
|
1903 var internal = '_' + key; |
|
1904 this['get' + part] = function() { |
|
1905 return this[internal]; |
|
1906 }; |
|
1907 |
|
1908 this['set' + part] = function(value) { |
|
1909 this[internal] = value; |
|
1910 if (!this._dontNotify) |
|
1911 this._owner[this._setter](this); |
|
1912 }; |
|
1913 }, Base.each(['Point', 'Size', 'Center', |
|
1914 'Left', 'Top', 'Right', 'Bottom', 'CenterX', 'CenterY', |
|
1915 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight', |
|
1916 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'], |
|
1917 function(key) { |
|
1918 var name = 'set' + key; |
|
1919 this[name] = function() { |
|
1920 this._dontNotify = true; |
|
1921 proto[name].apply(this, arguments); |
|
1922 this._dontNotify = false; |
|
1923 this._owner[this._setter](this); |
|
1924 }; |
|
1925 }, { |
|
1926 isSelected: function() { |
|
1927 return this._owner._boundsSelected; |
|
1928 }, |
|
1929 |
|
1930 setSelected: function(selected) { |
|
1931 var owner = this._owner; |
|
1932 if (owner.setSelected) { |
|
1933 owner._boundsSelected = selected; |
|
1934 owner.setSelected(selected || owner._selectedSegmentState > 0); |
|
1935 } |
|
1936 } |
|
1937 }) |
|
1938 ); |
|
1939 }); |
|
1940 |
|
1941 var Matrix = Base.extend({ |
|
1942 _class: 'Matrix', |
|
1943 |
|
1944 initialize: function Matrix(arg) { |
|
1945 var count = arguments.length, |
|
1946 ok = true; |
|
1947 if (count === 6) { |
|
1948 this.set.apply(this, arguments); |
|
1949 } else if (count === 1) { |
|
1950 if (arg instanceof Matrix) { |
|
1951 this.set(arg._a, arg._c, arg._b, arg._d, arg._tx, arg._ty); |
|
1952 } else if (Array.isArray(arg)) { |
|
1953 this.set.apply(this, arg); |
|
1954 } else { |
|
1955 ok = false; |
|
1956 } |
|
1957 } else if (count === 0) { |
|
1958 this.reset(); |
|
1959 } else { |
|
1960 ok = false; |
|
1961 } |
|
1962 if (!ok) |
|
1963 throw new Error('Unsupported matrix parameters'); |
|
1964 }, |
|
1965 |
|
1966 set: function(a, c, b, d, tx, ty, _dontNotify) { |
|
1967 this._a = a; |
|
1968 this._c = c; |
|
1969 this._b = b; |
|
1970 this._d = d; |
|
1971 this._tx = tx; |
|
1972 this._ty = ty; |
|
1973 if (!_dontNotify) |
|
1974 this._changed(); |
|
1975 return this; |
|
1976 }, |
|
1977 |
|
1978 _serialize: function(options) { |
|
1979 return Base.serialize(this.getValues(), options); |
|
1980 }, |
|
1981 |
|
1982 _changed: function() { |
|
1983 var owner = this._owner; |
|
1984 if (owner) { |
|
1985 if (owner._applyMatrix) { |
|
1986 owner.transform(null, true); |
|
1987 } else { |
|
1988 owner._changed(9); |
|
1989 } |
|
1990 } |
|
1991 }, |
|
1992 |
|
1993 clone: function() { |
|
1994 return new Matrix(this._a, this._c, this._b, this._d, |
|
1995 this._tx, this._ty); |
|
1996 }, |
|
1997 |
|
1998 equals: function(mx) { |
|
1999 return mx === this || mx && this._a === mx._a && this._b === mx._b |
|
2000 && this._c === mx._c && this._d === mx._d |
|
2001 && this._tx === mx._tx && this._ty === mx._ty |
|
2002 || false; |
|
2003 }, |
|
2004 |
|
2005 toString: function() { |
|
2006 var f = Formatter.instance; |
|
2007 return '[[' + [f.number(this._a), f.number(this._b), |
|
2008 f.number(this._tx)].join(', ') + '], [' |
|
2009 + [f.number(this._c), f.number(this._d), |
|
2010 f.number(this._ty)].join(', ') + ']]'; |
|
2011 }, |
|
2012 |
|
2013 reset: function(_dontNotify) { |
|
2014 this._a = this._d = 1; |
|
2015 this._c = this._b = this._tx = this._ty = 0; |
|
2016 if (!_dontNotify) |
|
2017 this._changed(); |
|
2018 return this; |
|
2019 }, |
|
2020 |
|
2021 apply: function(recursively, _setApplyMatrix) { |
|
2022 var owner = this._owner; |
|
2023 if (owner) { |
|
2024 owner.transform(null, true, Base.pick(recursively, true), |
|
2025 _setApplyMatrix); |
|
2026 return this.isIdentity(); |
|
2027 } |
|
2028 return false; |
|
2029 }, |
|
2030 |
|
2031 translate: function() { |
|
2032 var point = Point.read(arguments), |
|
2033 x = point.x, |
|
2034 y = point.y; |
|
2035 this._tx += x * this._a + y * this._b; |
|
2036 this._ty += x * this._c + y * this._d; |
|
2037 this._changed(); |
|
2038 return this; |
|
2039 }, |
|
2040 |
|
2041 scale: function() { |
|
2042 var scale = Point.read(arguments), |
|
2043 center = Point.read(arguments, 0, { readNull: true }); |
|
2044 if (center) |
|
2045 this.translate(center); |
|
2046 this._a *= scale.x; |
|
2047 this._c *= scale.x; |
|
2048 this._b *= scale.y; |
|
2049 this._d *= scale.y; |
|
2050 if (center) |
|
2051 this.translate(center.negate()); |
|
2052 this._changed(); |
|
2053 return this; |
|
2054 }, |
|
2055 |
|
2056 rotate: function(angle ) { |
|
2057 angle *= Math.PI / 180; |
|
2058 var center = Point.read(arguments, 1), |
|
2059 x = center.x, |
|
2060 y = center.y, |
|
2061 cos = Math.cos(angle), |
|
2062 sin = Math.sin(angle), |
|
2063 tx = x - x * cos + y * sin, |
|
2064 ty = y - x * sin - y * cos, |
|
2065 a = this._a, |
|
2066 b = this._b, |
|
2067 c = this._c, |
|
2068 d = this._d; |
|
2069 this._a = cos * a + sin * b; |
|
2070 this._b = -sin * a + cos * b; |
|
2071 this._c = cos * c + sin * d; |
|
2072 this._d = -sin * c + cos * d; |
|
2073 this._tx += tx * a + ty * b; |
|
2074 this._ty += tx * c + ty * d; |
|
2075 this._changed(); |
|
2076 return this; |
|
2077 }, |
|
2078 |
|
2079 shear: function() { |
|
2080 var shear = Point.read(arguments), |
|
2081 center = Point.read(arguments, 0, { readNull: true }); |
|
2082 if (center) |
|
2083 this.translate(center); |
|
2084 var a = this._a, |
|
2085 c = this._c; |
|
2086 this._a += shear.y * this._b; |
|
2087 this._c += shear.y * this._d; |
|
2088 this._b += shear.x * a; |
|
2089 this._d += shear.x * c; |
|
2090 if (center) |
|
2091 this.translate(center.negate()); |
|
2092 this._changed(); |
|
2093 return this; |
|
2094 }, |
|
2095 |
|
2096 skew: function() { |
|
2097 var skew = Point.read(arguments), |
|
2098 center = Point.read(arguments, 0, { readNull: true }), |
|
2099 toRadians = Math.PI / 180, |
|
2100 shear = new Point(Math.tan(skew.x * toRadians), |
|
2101 Math.tan(skew.y * toRadians)); |
|
2102 return this.shear(shear, center); |
|
2103 }, |
|
2104 |
|
2105 concatenate: function(mx) { |
|
2106 var a1 = this._a, |
|
2107 b1 = this._b, |
|
2108 c1 = this._c, |
|
2109 d1 = this._d, |
|
2110 a2 = mx._a, |
|
2111 b2 = mx._b, |
|
2112 c2 = mx._c, |
|
2113 d2 = mx._d, |
|
2114 tx2 = mx._tx, |
|
2115 ty2 = mx._ty; |
|
2116 this._a = a2 * a1 + c2 * b1; |
|
2117 this._b = b2 * a1 + d2 * b1; |
|
2118 this._c = a2 * c1 + c2 * d1; |
|
2119 this._d = b2 * c1 + d2 * d1; |
|
2120 this._tx += tx2 * a1 + ty2 * b1; |
|
2121 this._ty += tx2 * c1 + ty2 * d1; |
|
2122 this._changed(); |
|
2123 return this; |
|
2124 }, |
|
2125 |
|
2126 preConcatenate: function(mx) { |
|
2127 var a1 = this._a, |
|
2128 b1 = this._b, |
|
2129 c1 = this._c, |
|
2130 d1 = this._d, |
|
2131 tx1 = this._tx, |
|
2132 ty1 = this._ty, |
|
2133 a2 = mx._a, |
|
2134 b2 = mx._b, |
|
2135 c2 = mx._c, |
|
2136 d2 = mx._d, |
|
2137 tx2 = mx._tx, |
|
2138 ty2 = mx._ty; |
|
2139 this._a = a2 * a1 + b2 * c1; |
|
2140 this._b = a2 * b1 + b2 * d1; |
|
2141 this._c = c2 * a1 + d2 * c1; |
|
2142 this._d = c2 * b1 + d2 * d1; |
|
2143 this._tx = a2 * tx1 + b2 * ty1 + tx2; |
|
2144 this._ty = c2 * tx1 + d2 * ty1 + ty2; |
|
2145 this._changed(); |
|
2146 return this; |
|
2147 }, |
|
2148 |
|
2149 chain: function(mx) { |
|
2150 var a1 = this._a, |
|
2151 b1 = this._b, |
|
2152 c1 = this._c, |
|
2153 d1 = this._d, |
|
2154 tx1 = this._tx, |
|
2155 ty1 = this._ty, |
|
2156 a2 = mx._a, |
|
2157 b2 = mx._b, |
|
2158 c2 = mx._c, |
|
2159 d2 = mx._d, |
|
2160 tx2 = mx._tx, |
|
2161 ty2 = mx._ty; |
|
2162 return new Matrix( |
|
2163 a2 * a1 + c2 * b1, |
|
2164 a2 * c1 + c2 * d1, |
|
2165 b2 * a1 + d2 * b1, |
|
2166 b2 * c1 + d2 * d1, |
|
2167 tx1 + tx2 * a1 + ty2 * b1, |
|
2168 ty1 + tx2 * c1 + ty2 * d1); |
|
2169 }, |
|
2170 |
|
2171 isIdentity: function() { |
|
2172 return this._a === 1 && this._c === 0 && this._b === 0 && this._d === 1 |
|
2173 && this._tx === 0 && this._ty === 0; |
|
2174 }, |
|
2175 |
|
2176 orNullIfIdentity: function() { |
|
2177 return this.isIdentity() ? null : this; |
|
2178 }, |
|
2179 |
|
2180 isInvertible: function() { |
|
2181 return !!this._getDeterminant(); |
|
2182 }, |
|
2183 |
|
2184 isSingular: function() { |
|
2185 return !this._getDeterminant(); |
|
2186 }, |
|
2187 |
|
2188 transform: function( src, dst, count) { |
|
2189 return arguments.length < 3 |
|
2190 ? this._transformPoint(Point.read(arguments)) |
|
2191 : this._transformCoordinates(src, dst, count); |
|
2192 }, |
|
2193 |
|
2194 _transformPoint: function(point, dest, _dontNotify) { |
|
2195 var x = point.x, |
|
2196 y = point.y; |
|
2197 if (!dest) |
|
2198 dest = new Point(); |
|
2199 return dest.set( |
|
2200 x * this._a + y * this._b + this._tx, |
|
2201 x * this._c + y * this._d + this._ty, |
|
2202 _dontNotify |
|
2203 ); |
|
2204 }, |
|
2205 |
|
2206 _transformCoordinates: function(src, dst, count) { |
|
2207 var i = 0, |
|
2208 j = 0, |
|
2209 max = 2 * count; |
|
2210 while (i < max) { |
|
2211 var x = src[i++], |
|
2212 y = src[i++]; |
|
2213 dst[j++] = x * this._a + y * this._b + this._tx; |
|
2214 dst[j++] = x * this._c + y * this._d + this._ty; |
|
2215 } |
|
2216 return dst; |
|
2217 }, |
|
2218 |
|
2219 _transformCorners: function(rect) { |
|
2220 var x1 = rect.x, |
|
2221 y1 = rect.y, |
|
2222 x2 = x1 + rect.width, |
|
2223 y2 = y1 + rect.height, |
|
2224 coords = [ x1, y1, x2, y1, x2, y2, x1, y2 ]; |
|
2225 return this._transformCoordinates(coords, coords, 4); |
|
2226 }, |
|
2227 |
|
2228 _transformBounds: function(bounds, dest, _dontNotify) { |
|
2229 var coords = this._transformCorners(bounds), |
|
2230 min = coords.slice(0, 2), |
|
2231 max = coords.slice(); |
|
2232 for (var i = 2; i < 8; i++) { |
|
2233 var val = coords[i], |
|
2234 j = i & 1; |
|
2235 if (val < min[j]) |
|
2236 min[j] = val; |
|
2237 else if (val > max[j]) |
|
2238 max[j] = val; |
|
2239 } |
|
2240 if (!dest) |
|
2241 dest = new Rectangle(); |
|
2242 return dest.set(min[0], min[1], max[0] - min[0], max[1] - min[1], |
|
2243 _dontNotify); |
|
2244 }, |
|
2245 |
|
2246 inverseTransform: function() { |
|
2247 return this._inverseTransform(Point.read(arguments)); |
|
2248 }, |
|
2249 |
|
2250 _getDeterminant: function() { |
|
2251 var det = this._a * this._d - this._b * this._c; |
|
2252 return isFinite(det) && !Numerical.isZero(det) |
|
2253 && isFinite(this._tx) && isFinite(this._ty) |
|
2254 ? det : null; |
|
2255 }, |
|
2256 |
|
2257 _inverseTransform: function(point, dest, _dontNotify) { |
|
2258 var det = this._getDeterminant(); |
|
2259 if (!det) |
|
2260 return null; |
|
2261 var x = point.x - this._tx, |
|
2262 y = point.y - this._ty; |
|
2263 if (!dest) |
|
2264 dest = new Point(); |
|
2265 return dest.set( |
|
2266 (x * this._d - y * this._b) / det, |
|
2267 (y * this._a - x * this._c) / det, |
|
2268 _dontNotify |
|
2269 ); |
|
2270 }, |
|
2271 |
|
2272 decompose: function() { |
|
2273 var a = this._a, b = this._b, c = this._c, d = this._d; |
|
2274 if (Numerical.isZero(a * d - b * c)) |
|
2275 return null; |
|
2276 |
|
2277 var scaleX = Math.sqrt(a * a + b * b); |
|
2278 a /= scaleX; |
|
2279 b /= scaleX; |
|
2280 |
|
2281 var shear = a * c + b * d; |
|
2282 c -= a * shear; |
|
2283 d -= b * shear; |
|
2284 |
|
2285 var scaleY = Math.sqrt(c * c + d * d); |
|
2286 c /= scaleY; |
|
2287 d /= scaleY; |
|
2288 shear /= scaleY; |
|
2289 |
|
2290 if (a * d < b * c) { |
|
2291 a = -a; |
|
2292 b = -b; |
|
2293 shear = -shear; |
|
2294 scaleX = -scaleX; |
|
2295 } |
|
2296 |
|
2297 return { |
|
2298 scaling: new Point(scaleX, scaleY), |
|
2299 rotation: -Math.atan2(b, a) * 180 / Math.PI, |
|
2300 shearing: shear |
|
2301 }; |
|
2302 }, |
|
2303 |
|
2304 getValues: function() { |
|
2305 return [ this._a, this._c, this._b, this._d, this._tx, this._ty ]; |
|
2306 }, |
|
2307 |
|
2308 getTranslation: function() { |
|
2309 return new Point(this._tx, this._ty); |
|
2310 }, |
|
2311 |
|
2312 getScaling: function() { |
|
2313 return (this.decompose() || {}).scaling; |
|
2314 }, |
|
2315 |
|
2316 getRotation: function() { |
|
2317 return (this.decompose() || {}).rotation; |
|
2318 }, |
|
2319 |
|
2320 inverted: function() { |
|
2321 var det = this._getDeterminant(); |
|
2322 return det && new Matrix( |
|
2323 this._d / det, |
|
2324 -this._c / det, |
|
2325 -this._b / det, |
|
2326 this._a / det, |
|
2327 (this._b * this._ty - this._d * this._tx) / det, |
|
2328 (this._c * this._tx - this._a * this._ty) / det); |
|
2329 }, |
|
2330 |
|
2331 shiftless: function() { |
|
2332 return new Matrix(this._a, this._c, this._b, this._d, 0, 0); |
|
2333 }, |
|
2334 |
|
2335 applyToContext: function(ctx) { |
|
2336 ctx.transform(this._a, this._c, this._b, this._d, this._tx, this._ty); |
|
2337 } |
|
2338 }, Base.each(['a', 'c', 'b', 'd', 'tx', 'ty'], function(name) { |
|
2339 var part = Base.capitalize(name), |
|
2340 prop = '_' + name; |
|
2341 this['get' + part] = function() { |
|
2342 return this[prop]; |
|
2343 }; |
|
2344 this['set' + part] = function(value) { |
|
2345 this[prop] = value; |
|
2346 this._changed(); |
|
2347 }; |
|
2348 }, {})); |
|
2349 |
|
2350 var Line = Base.extend({ |
|
2351 _class: 'Line', |
|
2352 |
|
2353 initialize: function Line(arg0, arg1, arg2, arg3, arg4) { |
|
2354 var asVector = false; |
|
2355 if (arguments.length >= 4) { |
|
2356 this._px = arg0; |
|
2357 this._py = arg1; |
|
2358 this._vx = arg2; |
|
2359 this._vy = arg3; |
|
2360 asVector = arg4; |
|
2361 } else { |
|
2362 this._px = arg0.x; |
|
2363 this._py = arg0.y; |
|
2364 this._vx = arg1.x; |
|
2365 this._vy = arg1.y; |
|
2366 asVector = arg2; |
|
2367 } |
|
2368 if (!asVector) { |
|
2369 this._vx -= this._px; |
|
2370 this._vy -= this._py; |
|
2371 } |
|
2372 }, |
|
2373 |
|
2374 getPoint: function() { |
|
2375 return new Point(this._px, this._py); |
|
2376 }, |
|
2377 |
|
2378 getVector: function() { |
|
2379 return new Point(this._vx, this._vy); |
|
2380 }, |
|
2381 |
|
2382 getLength: function() { |
|
2383 return this.getVector().getLength(); |
|
2384 }, |
|
2385 |
|
2386 intersect: function(line, isInfinite) { |
|
2387 return Line.intersect( |
|
2388 this._px, this._py, this._vx, this._vy, |
|
2389 line._px, line._py, line._vx, line._vy, |
|
2390 true, isInfinite); |
|
2391 }, |
|
2392 |
|
2393 getSide: function(point) { |
|
2394 return Line.getSide( |
|
2395 this._px, this._py, this._vx, this._vy, |
|
2396 point.x, point.y, true); |
|
2397 }, |
|
2398 |
|
2399 getDistance: function(point) { |
|
2400 return Math.abs(Line.getSignedDistance( |
|
2401 this._px, this._py, this._vx, this._vy, |
|
2402 point.x, point.y, true)); |
|
2403 }, |
|
2404 |
|
2405 statics: { |
|
2406 intersect: function(apx, apy, avx, avy, bpx, bpy, bvx, bvy, asVector, |
|
2407 isInfinite) { |
|
2408 if (!asVector) { |
|
2409 avx -= apx; |
|
2410 avy -= apy; |
|
2411 bvx -= bpx; |
|
2412 bvy -= bpy; |
|
2413 } |
|
2414 var cross = avx * bvy - avy * bvx; |
|
2415 if (!Numerical.isZero(cross)) { |
|
2416 var dx = apx - bpx, |
|
2417 dy = apy - bpy, |
|
2418 ta = (bvx * dy - bvy * dx) / cross, |
|
2419 tb = (avx * dy - avy * dx) / cross; |
|
2420 if (isInfinite || 0 <= ta && ta <= 1 && 0 <= tb && tb <= 1) |
|
2421 return new Point( |
|
2422 apx + ta * avx, |
|
2423 apy + ta * avy); |
|
2424 } |
|
2425 }, |
|
2426 |
|
2427 getSide: function(px, py, vx, vy, x, y, asVector) { |
|
2428 if (!asVector) { |
|
2429 vx -= px; |
|
2430 vy -= py; |
|
2431 } |
|
2432 var v2x = x - px, |
|
2433 v2y = y - py, |
|
2434 ccw = v2x * vy - v2y * vx; |
|
2435 if (ccw === 0) { |
|
2436 ccw = v2x * vx + v2y * vy; |
|
2437 if (ccw > 0) { |
|
2438 v2x -= vx; |
|
2439 v2y -= vy; |
|
2440 ccw = v2x * vx + v2y * vy; |
|
2441 if (ccw < 0) |
|
2442 ccw = 0; |
|
2443 } |
|
2444 } |
|
2445 return ccw < 0 ? -1 : ccw > 0 ? 1 : 0; |
|
2446 }, |
|
2447 |
|
2448 getSignedDistance: function(px, py, vx, vy, x, y, asVector) { |
|
2449 if (!asVector) { |
|
2450 vx -= px; |
|
2451 vy -= py; |
|
2452 } |
|
2453 return Numerical.isZero(vx) |
|
2454 ? vy >= 0 ? px - x : x - px |
|
2455 : Numerical.isZero(vy) |
|
2456 ? vx >= 0 ? y - py : py - y |
|
2457 : (vx * (y - py) - vy * (x - px)) / Math.sqrt(vx * vx + vy * vy); |
|
2458 } |
|
2459 } |
|
2460 }); |
|
2461 |
|
2462 var Project = PaperScopeItem.extend({ |
|
2463 _class: 'Project', |
|
2464 _list: 'projects', |
|
2465 _reference: 'project', |
|
2466 |
|
2467 initialize: function Project(element) { |
|
2468 PaperScopeItem.call(this, true); |
|
2469 this.layers = []; |
|
2470 this._activeLayer = null; |
|
2471 this.symbols = []; |
|
2472 this._currentStyle = new Style(null, null, this); |
|
2473 this._view = View.create(this, |
|
2474 element || CanvasProvider.getCanvas(1, 1)); |
|
2475 this._selectedItems = {}; |
|
2476 this._selectedItemCount = 0; |
|
2477 this._updateVersion = 0; |
|
2478 }, |
|
2479 |
|
2480 _serialize: function(options, dictionary) { |
|
2481 return Base.serialize(this.layers, options, true, dictionary); |
|
2482 }, |
|
2483 |
|
2484 clear: function() { |
|
2485 for (var i = this.layers.length - 1; i >= 0; i--) |
|
2486 this.layers[i].remove(); |
|
2487 this.symbols = []; |
|
2488 }, |
|
2489 |
|
2490 isEmpty: function() { |
|
2491 return this.layers.length === 0; |
|
2492 }, |
|
2493 |
|
2494 remove: function remove() { |
|
2495 if (!remove.base.call(this)) |
|
2496 return false; |
|
2497 if (this._view) |
|
2498 this._view.remove(); |
|
2499 return true; |
|
2500 }, |
|
2501 |
|
2502 getView: function() { |
|
2503 return this._view; |
|
2504 }, |
|
2505 |
|
2506 getCurrentStyle: function() { |
|
2507 return this._currentStyle; |
|
2508 }, |
|
2509 |
|
2510 setCurrentStyle: function(style) { |
|
2511 this._currentStyle.initialize(style); |
|
2512 }, |
|
2513 |
|
2514 getIndex: function() { |
|
2515 return this._index; |
|
2516 }, |
|
2517 |
|
2518 getOptions: function() { |
|
2519 return this._scope.settings; |
|
2520 }, |
|
2521 |
|
2522 getActiveLayer: function() { |
|
2523 return this._activeLayer || new Layer({ project: this }); |
|
2524 }, |
|
2525 |
|
2526 getSelectedItems: function() { |
|
2527 var items = []; |
|
2528 for (var id in this._selectedItems) { |
|
2529 var item = this._selectedItems[id]; |
|
2530 if (item.isInserted()) |
|
2531 items.push(item); |
|
2532 } |
|
2533 return items; |
|
2534 }, |
|
2535 |
|
2536 insertChild: function(index, item, _preserve) { |
|
2537 if (item instanceof Layer) { |
|
2538 item._remove(false, true); |
|
2539 Base.splice(this.layers, [item], index, 0); |
|
2540 item._setProject(this, true); |
|
2541 if (this._changes) |
|
2542 item._changed(5); |
|
2543 if (!this._activeLayer) |
|
2544 this._activeLayer = item; |
|
2545 } else if (item instanceof Item) { |
|
2546 (this._activeLayer |
|
2547 || this.insertChild(index, new Layer(Item.NO_INSERT))) |
|
2548 .insertChild(index, item, _preserve); |
|
2549 } else { |
|
2550 item = null; |
|
2551 } |
|
2552 return item; |
|
2553 }, |
|
2554 |
|
2555 addChild: function(item, _preserve) { |
|
2556 return this.insertChild(undefined, item, _preserve); |
|
2557 }, |
|
2558 |
|
2559 _updateSelection: function(item) { |
|
2560 var id = item._id, |
|
2561 selectedItems = this._selectedItems; |
|
2562 if (item._selected) { |
|
2563 if (selectedItems[id] !== item) { |
|
2564 this._selectedItemCount++; |
|
2565 selectedItems[id] = item; |
|
2566 } |
|
2567 } else if (selectedItems[id] === item) { |
|
2568 this._selectedItemCount--; |
|
2569 delete selectedItems[id]; |
|
2570 } |
|
2571 }, |
|
2572 |
|
2573 selectAll: function() { |
|
2574 var layers = this.layers; |
|
2575 for (var i = 0, l = layers.length; i < l; i++) |
|
2576 layers[i].setFullySelected(true); |
|
2577 }, |
|
2578 |
|
2579 deselectAll: function() { |
|
2580 var selectedItems = this._selectedItems; |
|
2581 for (var i in selectedItems) |
|
2582 selectedItems[i].setFullySelected(false); |
|
2583 }, |
|
2584 |
|
2585 hitTest: function() { |
|
2586 var point = Point.read(arguments), |
|
2587 options = HitResult.getOptions(Base.read(arguments)); |
|
2588 for (var i = this.layers.length - 1; i >= 0; i--) { |
|
2589 var res = this.layers[i]._hitTest(point, options); |
|
2590 if (res) return res; |
|
2591 } |
|
2592 return null; |
|
2593 }, |
|
2594 |
|
2595 getItems: function(match) { |
|
2596 return Item._getItems(this.layers, match); |
|
2597 }, |
|
2598 |
|
2599 getItem: function(match) { |
|
2600 return Item._getItems(this.layers, match, null, null, true)[0] || null; |
|
2601 }, |
|
2602 |
|
2603 importJSON: function(json) { |
|
2604 this.activate(); |
|
2605 var layer = this._activeLayer; |
|
2606 return Base.importJSON(json, layer && layer.isEmpty() && layer); |
|
2607 }, |
|
2608 |
|
2609 draw: function(ctx, matrix, pixelRatio) { |
|
2610 this._updateVersion++; |
|
2611 ctx.save(); |
|
2612 matrix.applyToContext(ctx); |
|
2613 var param = new Base({ |
|
2614 offset: new Point(0, 0), |
|
2615 pixelRatio: pixelRatio, |
|
2616 viewMatrix: matrix.isIdentity() ? null : matrix, |
|
2617 matrices: [new Matrix()], |
|
2618 updateMatrix: true |
|
2619 }); |
|
2620 for (var i = 0, layers = this.layers, l = layers.length; i < l; i++) |
|
2621 layers[i].draw(ctx, param); |
|
2622 ctx.restore(); |
|
2623 |
|
2624 if (this._selectedItemCount > 0) { |
|
2625 ctx.save(); |
|
2626 ctx.strokeWidth = 1; |
|
2627 var items = this._selectedItems, |
|
2628 size = this._scope.settings.handleSize, |
|
2629 version = this._updateVersion; |
|
2630 for (var id in items) |
|
2631 items[id]._drawSelection(ctx, matrix, size, items, version); |
|
2632 ctx.restore(); |
|
2633 } |
|
2634 } |
|
2635 }); |
|
2636 |
|
2637 var Symbol = Base.extend({ |
|
2638 _class: 'Symbol', |
|
2639 |
|
2640 initialize: function Symbol(item, dontCenter) { |
|
2641 this._id = Symbol._id = (Symbol._id || 0) + 1; |
|
2642 this.project = paper.project; |
|
2643 this.project.symbols.push(this); |
|
2644 if (item) |
|
2645 this.setDefinition(item, dontCenter); |
|
2646 }, |
|
2647 |
|
2648 _serialize: function(options, dictionary) { |
|
2649 return dictionary.add(this, function() { |
|
2650 return Base.serialize([this._class, this._definition], |
|
2651 options, false, dictionary); |
|
2652 }); |
|
2653 }, |
|
2654 |
|
2655 _changed: function(flags) { |
|
2656 if (flags & 8) { |
|
2657 Item._clearBoundsCache(this); |
|
2658 } |
|
2659 if (flags & 1) { |
|
2660 this.project._needsUpdate = true; |
|
2661 } |
|
2662 }, |
|
2663 |
|
2664 getDefinition: function() { |
|
2665 return this._definition; |
|
2666 }, |
|
2667 |
|
2668 setDefinition: function(item, _dontCenter) { |
|
2669 if (item._parentSymbol) |
|
2670 item = item.clone(); |
|
2671 if (this._definition) |
|
2672 this._definition._parentSymbol = null; |
|
2673 this._definition = item; |
|
2674 item.remove(); |
|
2675 item.setSelected(false); |
|
2676 if (!_dontCenter) |
|
2677 item.setPosition(new Point()); |
|
2678 item._parentSymbol = this; |
|
2679 this._changed(9); |
|
2680 }, |
|
2681 |
|
2682 place: function(position) { |
|
2683 return new PlacedSymbol(this, position); |
|
2684 }, |
|
2685 |
|
2686 clone: function() { |
|
2687 return new Symbol(this._definition.clone(false)); |
|
2688 }, |
|
2689 |
|
2690 equals: function(symbol) { |
|
2691 return symbol === this |
|
2692 || symbol && this.definition.equals(symbol.definition) |
|
2693 || false; |
|
2694 } |
|
2695 }); |
|
2696 |
|
2697 var Item = Base.extend(Emitter, { |
|
2698 statics: { |
|
2699 extend: function extend(src) { |
|
2700 if (src._serializeFields) |
|
2701 src._serializeFields = new Base( |
|
2702 this.prototype._serializeFields, src._serializeFields); |
|
2703 return extend.base.apply(this, arguments); |
|
2704 }, |
|
2705 |
|
2706 NO_INSERT: { insert: false } |
|
2707 }, |
|
2708 |
|
2709 _class: 'Item', |
|
2710 _applyMatrix: true, |
|
2711 _canApplyMatrix: true, |
|
2712 _boundsSelected: false, |
|
2713 _selectChildren: false, |
|
2714 _serializeFields: { |
|
2715 name: null, |
|
2716 applyMatrix: null, |
|
2717 matrix: new Matrix(), |
|
2718 pivot: null, |
|
2719 locked: false, |
|
2720 visible: true, |
|
2721 blendMode: 'normal', |
|
2722 opacity: 1, |
|
2723 guide: false, |
|
2724 selected: false, |
|
2725 clipMask: false, |
|
2726 data: {} |
|
2727 }, |
|
2728 |
|
2729 initialize: function Item() { |
|
2730 }, |
|
2731 |
|
2732 _initialize: function(props, point) { |
|
2733 var hasProps = props && Base.isPlainObject(props), |
|
2734 internal = hasProps && props.internal === true, |
|
2735 matrix = this._matrix = new Matrix(), |
|
2736 project = hasProps && props.project || paper.project; |
|
2737 if (!internal) |
|
2738 this._id = Item._id = (Item._id || 0) + 1; |
|
2739 this._applyMatrix = this._canApplyMatrix && paper.settings.applyMatrix; |
|
2740 if (point) |
|
2741 matrix.translate(point); |
|
2742 matrix._owner = this; |
|
2743 this._style = new Style(project._currentStyle, this, project); |
|
2744 if (!this._project) { |
|
2745 if (internal || hasProps && props.insert === false) { |
|
2746 this._setProject(project); |
|
2747 } else if (hasProps && props.parent) { |
|
2748 this.setParent(props.parent); |
|
2749 } else { |
|
2750 (project._activeLayer || new Layer()).addChild(this); |
|
2751 } |
|
2752 } |
|
2753 if (hasProps && props !== Item.NO_INSERT) |
|
2754 this._set(props, { insert: true, parent: true }, true); |
|
2755 return hasProps; |
|
2756 }, |
|
2757 |
|
2758 _events: new function() { |
|
2759 |
|
2760 var mouseFlags = { |
|
2761 mousedown: { |
|
2762 mousedown: 1, |
|
2763 mousedrag: 1, |
|
2764 click: 1, |
|
2765 doubleclick: 1 |
|
2766 }, |
|
2767 mouseup: { |
|
2768 mouseup: 1, |
|
2769 mousedrag: 1, |
|
2770 click: 1, |
|
2771 doubleclick: 1 |
|
2772 }, |
|
2773 mousemove: { |
|
2774 mousedrag: 1, |
|
2775 mousemove: 1, |
|
2776 mouseenter: 1, |
|
2777 mouseleave: 1 |
|
2778 } |
|
2779 }; |
|
2780 |
|
2781 var mouseEvent = { |
|
2782 install: function(type) { |
|
2783 var counters = this.getView()._eventCounters; |
|
2784 if (counters) { |
|
2785 for (var key in mouseFlags) { |
|
2786 counters[key] = (counters[key] || 0) |
|
2787 + (mouseFlags[key][type] || 0); |
|
2788 } |
|
2789 } |
|
2790 }, |
|
2791 uninstall: function(type) { |
|
2792 var counters = this.getView()._eventCounters; |
|
2793 if (counters) { |
|
2794 for (var key in mouseFlags) |
|
2795 counters[key] -= mouseFlags[key][type] || 0; |
|
2796 } |
|
2797 } |
|
2798 }; |
|
2799 |
|
2800 return Base.each(['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onClick', |
|
2801 'onDoubleClick', 'onMouseMove', 'onMouseEnter', 'onMouseLeave'], |
|
2802 function(name) { |
|
2803 this[name] = mouseEvent; |
|
2804 }, { |
|
2805 onFrame: { |
|
2806 install: function() { |
|
2807 this._animateItem(true); |
|
2808 }, |
|
2809 uninstall: function() { |
|
2810 this._animateItem(false); |
|
2811 } |
|
2812 }, |
|
2813 |
|
2814 onLoad: {} |
|
2815 } |
|
2816 ); |
|
2817 }, |
|
2818 |
|
2819 _animateItem: function(animate) { |
|
2820 this.getView()._animateItem(this, animate); |
|
2821 }, |
|
2822 |
|
2823 _serialize: function(options, dictionary) { |
|
2824 var props = {}, |
|
2825 that = this; |
|
2826 |
|
2827 function serialize(fields) { |
|
2828 for (var key in fields) { |
|
2829 var value = that[key]; |
|
2830 if (!Base.equals(value, key === 'leading' |
|
2831 ? fields.fontSize * 1.2 : fields[key])) { |
|
2832 props[key] = Base.serialize(value, options, |
|
2833 key !== 'data', dictionary); |
|
2834 } |
|
2835 } |
|
2836 } |
|
2837 |
|
2838 serialize(this._serializeFields); |
|
2839 if (!(this instanceof Group)) |
|
2840 serialize(this._style._defaults); |
|
2841 return [ this._class, props ]; |
|
2842 }, |
|
2843 |
|
2844 _changed: function(flags) { |
|
2845 var symbol = this._parentSymbol, |
|
2846 cacheParent = this._parent || symbol, |
|
2847 project = this._project; |
|
2848 if (flags & 8) { |
|
2849 this._bounds = this._position = this._decomposed = |
|
2850 this._globalMatrix = this._currentPath = undefined; |
|
2851 } |
|
2852 if (cacheParent |
|
2853 && (flags & 40)) { |
|
2854 Item._clearBoundsCache(cacheParent); |
|
2855 } |
|
2856 if (flags & 2) { |
|
2857 Item._clearBoundsCache(this); |
|
2858 } |
|
2859 if (project) { |
|
2860 if (flags & 1) { |
|
2861 project._needsUpdate = true; |
|
2862 } |
|
2863 if (project._changes) { |
|
2864 var entry = project._changesById[this._id]; |
|
2865 if (entry) { |
|
2866 entry.flags |= flags; |
|
2867 } else { |
|
2868 entry = { item: this, flags: flags }; |
|
2869 project._changesById[this._id] = entry; |
|
2870 project._changes.push(entry); |
|
2871 } |
|
2872 } |
|
2873 } |
|
2874 if (symbol) |
|
2875 symbol._changed(flags); |
|
2876 }, |
|
2877 |
|
2878 set: function(props) { |
|
2879 if (props) |
|
2880 this._set(props); |
|
2881 return this; |
|
2882 }, |
|
2883 |
|
2884 getId: function() { |
|
2885 return this._id; |
|
2886 }, |
|
2887 |
|
2888 getName: function() { |
|
2889 return this._name; |
|
2890 }, |
|
2891 |
|
2892 setName: function(name, unique) { |
|
2893 |
|
2894 if (this._name) |
|
2895 this._removeNamed(); |
|
2896 if (name === (+name) + '') |
|
2897 throw new Error( |
|
2898 'Names consisting only of numbers are not supported.'); |
|
2899 var parent = this._parent; |
|
2900 if (name && parent) { |
|
2901 var children = parent._children, |
|
2902 namedChildren = parent._namedChildren, |
|
2903 orig = name, |
|
2904 i = 1; |
|
2905 while (unique && children[name]) |
|
2906 name = orig + ' ' + (i++); |
|
2907 (namedChildren[name] = namedChildren[name] || []).push(this); |
|
2908 children[name] = this; |
|
2909 } |
|
2910 this._name = name || undefined; |
|
2911 this._changed(128); |
|
2912 }, |
|
2913 |
|
2914 getStyle: function() { |
|
2915 return this._style; |
|
2916 }, |
|
2917 |
|
2918 setStyle: function(style) { |
|
2919 this.getStyle().set(style); |
|
2920 } |
|
2921 }, Base.each(['locked', 'visible', 'blendMode', 'opacity', 'guide'], |
|
2922 function(name) { |
|
2923 var part = Base.capitalize(name), |
|
2924 name = '_' + name; |
|
2925 this['get' + part] = function() { |
|
2926 return this[name]; |
|
2927 }; |
|
2928 this['set' + part] = function(value) { |
|
2929 if (value != this[name]) { |
|
2930 this[name] = value; |
|
2931 this._changed(name === '_locked' |
|
2932 ? 128 : 129); |
|
2933 } |
|
2934 }; |
|
2935 }, |
|
2936 {}), { |
|
2937 beans: true, |
|
2938 |
|
2939 _locked: false, |
|
2940 |
|
2941 _visible: true, |
|
2942 |
|
2943 _blendMode: 'normal', |
|
2944 |
|
2945 _opacity: 1, |
|
2946 |
|
2947 _guide: false, |
|
2948 |
|
2949 isSelected: function() { |
|
2950 if (this._selectChildren) { |
|
2951 var children = this._children; |
|
2952 for (var i = 0, l = children.length; i < l; i++) |
|
2953 if (children[i].isSelected()) |
|
2954 return true; |
|
2955 } |
|
2956 return this._selected; |
|
2957 }, |
|
2958 |
|
2959 setSelected: function(selected, noChildren) { |
|
2960 if (!noChildren && this._selectChildren) { |
|
2961 var children = this._children; |
|
2962 for (var i = 0, l = children.length; i < l; i++) |
|
2963 children[i].setSelected(selected); |
|
2964 } |
|
2965 if ((selected = !!selected) ^ this._selected) { |
|
2966 this._selected = selected; |
|
2967 this._project._updateSelection(this); |
|
2968 this._changed(129); |
|
2969 } |
|
2970 }, |
|
2971 |
|
2972 _selected: false, |
|
2973 |
|
2974 isFullySelected: function() { |
|
2975 var children = this._children; |
|
2976 if (children && this._selected) { |
|
2977 for (var i = 0, l = children.length; i < l; i++) |
|
2978 if (!children[i].isFullySelected()) |
|
2979 return false; |
|
2980 return true; |
|
2981 } |
|
2982 return this._selected; |
|
2983 }, |
|
2984 |
|
2985 setFullySelected: function(selected) { |
|
2986 var children = this._children; |
|
2987 if (children) { |
|
2988 for (var i = 0, l = children.length; i < l; i++) |
|
2989 children[i].setFullySelected(selected); |
|
2990 } |
|
2991 this.setSelected(selected, true); |
|
2992 }, |
|
2993 |
|
2994 isClipMask: function() { |
|
2995 return this._clipMask; |
|
2996 }, |
|
2997 |
|
2998 setClipMask: function(clipMask) { |
|
2999 if (this._clipMask != (clipMask = !!clipMask)) { |
|
3000 this._clipMask = clipMask; |
|
3001 if (clipMask) { |
|
3002 this.setFillColor(null); |
|
3003 this.setStrokeColor(null); |
|
3004 } |
|
3005 this._changed(129); |
|
3006 if (this._parent) |
|
3007 this._parent._changed(1024); |
|
3008 } |
|
3009 }, |
|
3010 |
|
3011 _clipMask: false, |
|
3012 |
|
3013 getData: function() { |
|
3014 if (!this._data) |
|
3015 this._data = {}; |
|
3016 return this._data; |
|
3017 }, |
|
3018 |
|
3019 setData: function(data) { |
|
3020 this._data = data; |
|
3021 }, |
|
3022 |
|
3023 getPosition: function(_dontLink) { |
|
3024 var position = this._position, |
|
3025 ctor = _dontLink ? Point : LinkedPoint; |
|
3026 if (!position) { |
|
3027 var pivot = this._pivot; |
|
3028 position = this._position = pivot |
|
3029 ? this._matrix._transformPoint(pivot) |
|
3030 : this.getBounds().getCenter(true); |
|
3031 } |
|
3032 return new ctor(position.x, position.y, this, 'setPosition'); |
|
3033 }, |
|
3034 |
|
3035 setPosition: function() { |
|
3036 this.translate(Point.read(arguments).subtract(this.getPosition(true))); |
|
3037 }, |
|
3038 |
|
3039 getPivot: function(_dontLink) { |
|
3040 var pivot = this._pivot; |
|
3041 if (pivot) { |
|
3042 var ctor = _dontLink ? Point : LinkedPoint; |
|
3043 pivot = new ctor(pivot.x, pivot.y, this, 'setPivot'); |
|
3044 } |
|
3045 return pivot; |
|
3046 }, |
|
3047 |
|
3048 setPivot: function() { |
|
3049 this._pivot = Point.read(arguments); |
|
3050 this._position = undefined; |
|
3051 }, |
|
3052 |
|
3053 _pivot: null, |
|
3054 |
|
3055 getRegistration: '#getPivot', |
|
3056 setRegistration: '#setPivot' |
|
3057 }, Base.each(['bounds', 'strokeBounds', 'handleBounds', 'roughBounds', |
|
3058 'internalBounds', 'internalRoughBounds'], |
|
3059 function(key) { |
|
3060 var getter = 'get' + Base.capitalize(key), |
|
3061 match = key.match(/^internal(.*)$/), |
|
3062 internalGetter = match ? 'get' + match[1] : null; |
|
3063 this[getter] = function(_matrix) { |
|
3064 var boundsGetter = this._boundsGetter, |
|
3065 name = !internalGetter && (typeof boundsGetter === 'string' |
|
3066 ? boundsGetter : boundsGetter && boundsGetter[getter]) |
|
3067 || getter, |
|
3068 bounds = this._getCachedBounds(name, _matrix, this, |
|
3069 internalGetter); |
|
3070 return key === 'bounds' |
|
3071 ? new LinkedRectangle(bounds.x, bounds.y, bounds.width, |
|
3072 bounds.height, this, 'setBounds') |
|
3073 : bounds; |
|
3074 }; |
|
3075 }, |
|
3076 { |
|
3077 beans: true, |
|
3078 |
|
3079 _getBounds: function(getter, matrix, cacheItem) { |
|
3080 var children = this._children; |
|
3081 if (!children || children.length == 0) |
|
3082 return new Rectangle(); |
|
3083 var x1 = Infinity, |
|
3084 x2 = -x1, |
|
3085 y1 = x1, |
|
3086 y2 = x2; |
|
3087 for (var i = 0, l = children.length; i < l; i++) { |
|
3088 var child = children[i]; |
|
3089 if (child._visible && !child.isEmpty()) { |
|
3090 var rect = child._getCachedBounds(getter, |
|
3091 matrix && matrix.chain(child._matrix), cacheItem); |
|
3092 x1 = Math.min(rect.x, x1); |
|
3093 y1 = Math.min(rect.y, y1); |
|
3094 x2 = Math.max(rect.x + rect.width, x2); |
|
3095 y2 = Math.max(rect.y + rect.height, y2); |
|
3096 } |
|
3097 } |
|
3098 return isFinite(x1) |
|
3099 ? new Rectangle(x1, y1, x2 - x1, y2 - y1) |
|
3100 : new Rectangle(); |
|
3101 }, |
|
3102 |
|
3103 setBounds: function() { |
|
3104 var rect = Rectangle.read(arguments), |
|
3105 bounds = this.getBounds(), |
|
3106 matrix = new Matrix(), |
|
3107 center = rect.getCenter(); |
|
3108 matrix.translate(center); |
|
3109 if (rect.width != bounds.width || rect.height != bounds.height) { |
|
3110 matrix.scale( |
|
3111 bounds.width != 0 ? rect.width / bounds.width : 1, |
|
3112 bounds.height != 0 ? rect.height / bounds.height : 1); |
|
3113 } |
|
3114 center = bounds.getCenter(); |
|
3115 matrix.translate(-center.x, -center.y); |
|
3116 this.transform(matrix); |
|
3117 }, |
|
3118 |
|
3119 _getCachedBounds: function(getter, matrix, cacheItem, internalGetter) { |
|
3120 matrix = matrix && matrix.orNullIfIdentity(); |
|
3121 var _matrix = internalGetter ? null : this._matrix.orNullIfIdentity(), |
|
3122 cache = (!matrix || matrix.equals(_matrix)) && getter; |
|
3123 var cacheParent = this._parent || this._parentSymbol; |
|
3124 if (cacheParent) { |
|
3125 var id = cacheItem._id, |
|
3126 ref = cacheParent._boundsCache = cacheParent._boundsCache || { |
|
3127 ids: {}, |
|
3128 list: [] |
|
3129 }; |
|
3130 if (!ref.ids[id]) { |
|
3131 ref.list.push(cacheItem); |
|
3132 ref.ids[id] = cacheItem; |
|
3133 } |
|
3134 } |
|
3135 if (cache && this._bounds && this._bounds[cache]) |
|
3136 return this._bounds[cache].clone(); |
|
3137 var bounds = this._getBounds(internalGetter || getter, |
|
3138 matrix || _matrix, cacheItem); |
|
3139 if (cache) { |
|
3140 if (!this._bounds) |
|
3141 this._bounds = {}; |
|
3142 var cached = this._bounds[cache] = bounds.clone(); |
|
3143 cached._internal = !!internalGetter; |
|
3144 } |
|
3145 return bounds; |
|
3146 }, |
|
3147 |
|
3148 statics: { |
|
3149 _clearBoundsCache: function(item) { |
|
3150 var cache = item._boundsCache; |
|
3151 if (cache) { |
|
3152 item._bounds = item._position = item._boundsCache = undefined; |
|
3153 for (var i = 0, list = cache.list, l = list.length; i < l; i++) { |
|
3154 var other = list[i]; |
|
3155 if (other !== item) { |
|
3156 other._bounds = other._position = undefined; |
|
3157 if (other._boundsCache) |
|
3158 Item._clearBoundsCache(other); |
|
3159 } |
|
3160 } |
|
3161 } |
|
3162 } |
|
3163 } |
|
3164 |
|
3165 }), { |
|
3166 beans: true, |
|
3167 |
|
3168 _decompose: function() { |
|
3169 return this._decomposed = this._matrix.decompose(); |
|
3170 }, |
|
3171 |
|
3172 getRotation: function() { |
|
3173 var decomposed = this._decomposed || this._decompose(); |
|
3174 return decomposed && decomposed.rotation; |
|
3175 }, |
|
3176 |
|
3177 setRotation: function(rotation) { |
|
3178 var current = this.getRotation(); |
|
3179 if (current != null && rotation != null) { |
|
3180 var decomposed = this._decomposed; |
|
3181 this.rotate(rotation - current); |
|
3182 decomposed.rotation = rotation; |
|
3183 this._decomposed = decomposed; |
|
3184 } |
|
3185 }, |
|
3186 |
|
3187 getScaling: function(_dontLink) { |
|
3188 var decomposed = this._decomposed || this._decompose(), |
|
3189 scaling = decomposed && decomposed.scaling, |
|
3190 ctor = _dontLink ? Point : LinkedPoint; |
|
3191 return scaling && new ctor(scaling.x, scaling.y, this, 'setScaling'); |
|
3192 }, |
|
3193 |
|
3194 setScaling: function() { |
|
3195 var current = this.getScaling(); |
|
3196 if (current) { |
|
3197 var scaling = Point.read(arguments, 0, { clone: true }), |
|
3198 decomposed = this._decomposed; |
|
3199 this.scale(scaling.x / current.x, scaling.y / current.y); |
|
3200 decomposed.scaling = scaling; |
|
3201 this._decomposed = decomposed; |
|
3202 } |
|
3203 }, |
|
3204 |
|
3205 getMatrix: function() { |
|
3206 return this._matrix; |
|
3207 }, |
|
3208 |
|
3209 setMatrix: function(matrix) { |
|
3210 this._matrix.initialize(matrix); |
|
3211 if (this._applyMatrix) { |
|
3212 this.transform(null, true); |
|
3213 } else { |
|
3214 this._changed(9); |
|
3215 } |
|
3216 }, |
|
3217 |
|
3218 getGlobalMatrix: function(_dontClone) { |
|
3219 var matrix = this._globalMatrix, |
|
3220 updateVersion = this._project._updateVersion; |
|
3221 if (matrix && matrix._updateVersion !== updateVersion) |
|
3222 matrix = null; |
|
3223 if (!matrix) { |
|
3224 matrix = this._globalMatrix = this._matrix.clone(); |
|
3225 var parent = this._parent; |
|
3226 if (parent) |
|
3227 matrix.preConcatenate(parent.getGlobalMatrix(true)); |
|
3228 matrix._updateVersion = updateVersion; |
|
3229 } |
|
3230 return _dontClone ? matrix : matrix.clone(); |
|
3231 }, |
|
3232 |
|
3233 getApplyMatrix: function() { |
|
3234 return this._applyMatrix; |
|
3235 }, |
|
3236 |
|
3237 setApplyMatrix: function(apply) { |
|
3238 if (this._applyMatrix = this._canApplyMatrix && !!apply) |
|
3239 this.transform(null, true); |
|
3240 }, |
|
3241 |
|
3242 getTransformContent: '#getApplyMatrix', |
|
3243 setTransformContent: '#setApplyMatrix', |
|
3244 }, { |
|
3245 getProject: function() { |
|
3246 return this._project; |
|
3247 }, |
|
3248 |
|
3249 _setProject: function(project, installEvents) { |
|
3250 if (this._project !== project) { |
|
3251 if (this._project) |
|
3252 this._installEvents(false); |
|
3253 this._project = project; |
|
3254 var children = this._children; |
|
3255 for (var i = 0, l = children && children.length; i < l; i++) |
|
3256 children[i]._setProject(project); |
|
3257 installEvents = true; |
|
3258 } |
|
3259 if (installEvents) |
|
3260 this._installEvents(true); |
|
3261 }, |
|
3262 |
|
3263 getView: function() { |
|
3264 return this._project.getView(); |
|
3265 }, |
|
3266 |
|
3267 _installEvents: function _installEvents(install) { |
|
3268 _installEvents.base.call(this, install); |
|
3269 var children = this._children; |
|
3270 for (var i = 0, l = children && children.length; i < l; i++) |
|
3271 children[i]._installEvents(install); |
|
3272 }, |
|
3273 |
|
3274 getLayer: function() { |
|
3275 var parent = this; |
|
3276 while (parent = parent._parent) { |
|
3277 if (parent instanceof Layer) |
|
3278 return parent; |
|
3279 } |
|
3280 return null; |
|
3281 }, |
|
3282 |
|
3283 getParent: function() { |
|
3284 return this._parent; |
|
3285 }, |
|
3286 |
|
3287 setParent: function(item) { |
|
3288 return item.addChild(this); |
|
3289 }, |
|
3290 |
|
3291 getChildren: function() { |
|
3292 return this._children; |
|
3293 }, |
|
3294 |
|
3295 setChildren: function(items) { |
|
3296 this.removeChildren(); |
|
3297 this.addChildren(items); |
|
3298 }, |
|
3299 |
|
3300 getFirstChild: function() { |
|
3301 return this._children && this._children[0] || null; |
|
3302 }, |
|
3303 |
|
3304 getLastChild: function() { |
|
3305 return this._children && this._children[this._children.length - 1] |
|
3306 || null; |
|
3307 }, |
|
3308 |
|
3309 getNextSibling: function() { |
|
3310 return this._parent && this._parent._children[this._index + 1] || null; |
|
3311 }, |
|
3312 |
|
3313 getPreviousSibling: function() { |
|
3314 return this._parent && this._parent._children[this._index - 1] || null; |
|
3315 }, |
|
3316 |
|
3317 getIndex: function() { |
|
3318 return this._index; |
|
3319 }, |
|
3320 |
|
3321 equals: function(item) { |
|
3322 return item === this || item && this._class === item._class |
|
3323 && this._style.equals(item._style) |
|
3324 && this._matrix.equals(item._matrix) |
|
3325 && this._locked === item._locked |
|
3326 && this._visible === item._visible |
|
3327 && this._blendMode === item._blendMode |
|
3328 && this._opacity === item._opacity |
|
3329 && this._clipMask === item._clipMask |
|
3330 && this._guide === item._guide |
|
3331 && this._equals(item) |
|
3332 || false; |
|
3333 }, |
|
3334 |
|
3335 _equals: function(item) { |
|
3336 return Base.equals(this._children, item._children); |
|
3337 }, |
|
3338 |
|
3339 clone: function(insert) { |
|
3340 return this._clone(new this.constructor(Item.NO_INSERT), insert); |
|
3341 }, |
|
3342 |
|
3343 _clone: function(copy, insert) { |
|
3344 copy.setStyle(this._style); |
|
3345 if (this._children) { |
|
3346 for (var i = 0, l = this._children.length; i < l; i++) |
|
3347 copy.addChild(this._children[i].clone(false), true); |
|
3348 } |
|
3349 if (insert || insert === undefined) |
|
3350 copy.insertAbove(this); |
|
3351 var keys = ['_locked', '_visible', '_blendMode', '_opacity', |
|
3352 '_clipMask', '_guide', '_applyMatrix']; |
|
3353 for (var i = 0, l = keys.length; i < l; i++) { |
|
3354 var key = keys[i]; |
|
3355 if (this.hasOwnProperty(key)) |
|
3356 copy[key] = this[key]; |
|
3357 } |
|
3358 copy._matrix.initialize(this._matrix); |
|
3359 copy._data = this._data ? Base.clone(this._data) : null; |
|
3360 copy.setSelected(this._selected); |
|
3361 if (this._name) |
|
3362 copy.setName(this._name, true); |
|
3363 return copy; |
|
3364 }, |
|
3365 |
|
3366 copyTo: function(itemOrProject) { |
|
3367 return itemOrProject.addChild(this.clone(false)); |
|
3368 }, |
|
3369 |
|
3370 rasterize: function(resolution) { |
|
3371 var bounds = this.getStrokeBounds(), |
|
3372 scale = (resolution || this.getView().getResolution()) / 72, |
|
3373 topLeft = bounds.getTopLeft().floor(), |
|
3374 bottomRight = bounds.getBottomRight().ceil(), |
|
3375 size = new Size(bottomRight.subtract(topLeft)), |
|
3376 canvas = CanvasProvider.getCanvas(size.multiply(scale)), |
|
3377 ctx = canvas.getContext('2d'), |
|
3378 matrix = new Matrix().scale(scale).translate(topLeft.negate()); |
|
3379 ctx.save(); |
|
3380 matrix.applyToContext(ctx); |
|
3381 this.draw(ctx, new Base({ matrices: [matrix] })); |
|
3382 ctx.restore(); |
|
3383 var raster = new Raster(Item.NO_INSERT); |
|
3384 raster.setCanvas(canvas); |
|
3385 raster.transform(new Matrix().translate(topLeft.add(size.divide(2))) |
|
3386 .scale(1 / scale)); |
|
3387 raster.insertAbove(this); |
|
3388 return raster; |
|
3389 }, |
|
3390 |
|
3391 contains: function() { |
|
3392 return !!this._contains( |
|
3393 this._matrix._inverseTransform(Point.read(arguments))); |
|
3394 }, |
|
3395 |
|
3396 _contains: function(point) { |
|
3397 if (this._children) { |
|
3398 for (var i = this._children.length - 1; i >= 0; i--) { |
|
3399 if (this._children[i].contains(point)) |
|
3400 return true; |
|
3401 } |
|
3402 return false; |
|
3403 } |
|
3404 return point.isInside(this.getInternalBounds()); |
|
3405 }, |
|
3406 |
|
3407 isInside: function() { |
|
3408 return Rectangle.read(arguments).contains(this.getBounds()); |
|
3409 }, |
|
3410 |
|
3411 _asPathItem: function() { |
|
3412 return new Path.Rectangle({ |
|
3413 rectangle: this.getInternalBounds(), |
|
3414 matrix: this._matrix, |
|
3415 insert: false, |
|
3416 }); |
|
3417 }, |
|
3418 |
|
3419 intersects: function(item, _matrix) { |
|
3420 if (!(item instanceof Item)) |
|
3421 return false; |
|
3422 return this._asPathItem().getIntersections(item._asPathItem(), |
|
3423 _matrix || item._matrix).length > 0; |
|
3424 }, |
|
3425 |
|
3426 hitTest: function() { |
|
3427 return this._hitTest( |
|
3428 Point.read(arguments), |
|
3429 HitResult.getOptions(Base.read(arguments))); |
|
3430 }, |
|
3431 |
|
3432 _hitTest: function(point, options) { |
|
3433 if (this._locked || !this._visible || this._guide && !options.guides |
|
3434 || this.isEmpty()) |
|
3435 return null; |
|
3436 |
|
3437 var matrix = this._matrix, |
|
3438 parentTotalMatrix = options._totalMatrix, |
|
3439 view = this.getView(), |
|
3440 totalMatrix = options._totalMatrix = parentTotalMatrix |
|
3441 ? parentTotalMatrix.chain(matrix) |
|
3442 : this.getGlobalMatrix().preConcatenate(view._matrix), |
|
3443 tolerancePadding = options._tolerancePadding = new Size( |
|
3444 Path._getPenPadding(1, totalMatrix.inverted()) |
|
3445 ).multiply( |
|
3446 Math.max(options.tolerance, 0.000001) |
|
3447 ); |
|
3448 point = matrix._inverseTransform(point); |
|
3449 |
|
3450 if (!this._children && !this.getInternalRoughBounds() |
|
3451 .expand(tolerancePadding.multiply(2))._containsPoint(point)) |
|
3452 return null; |
|
3453 var checkSelf = !(options.guides && !this._guide |
|
3454 || options.selected && !this._selected |
|
3455 || options.type && options.type !== Base.hyphenate(this._class) |
|
3456 || options.class && !(this instanceof options.class)), |
|
3457 that = this, |
|
3458 res; |
|
3459 |
|
3460 function checkBounds(type, part) { |
|
3461 var pt = bounds['get' + part](); |
|
3462 if (point.subtract(pt).divide(tolerancePadding).length <= 1) |
|
3463 return new HitResult(type, that, |
|
3464 { name: Base.hyphenate(part), point: pt }); |
|
3465 } |
|
3466 |
|
3467 if (checkSelf && (options.center || options.bounds) && this._parent) { |
|
3468 var bounds = this.getInternalBounds(); |
|
3469 if (options.center) |
|
3470 res = checkBounds('center', 'Center'); |
|
3471 if (!res && options.bounds) { |
|
3472 var points = [ |
|
3473 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight', |
|
3474 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter' |
|
3475 ]; |
|
3476 for (var i = 0; i < 8 && !res; i++) |
|
3477 res = checkBounds('bounds', points[i]); |
|
3478 } |
|
3479 } |
|
3480 |
|
3481 var children = !res && this._children; |
|
3482 if (children) { |
|
3483 var opts = this._getChildHitTestOptions(options); |
|
3484 for (var i = children.length - 1; i >= 0 && !res; i--) |
|
3485 res = children[i]._hitTest(point, opts); |
|
3486 } |
|
3487 if (!res && checkSelf) |
|
3488 res = this._hitTestSelf(point, options); |
|
3489 if (res && res.point) |
|
3490 res.point = matrix.transform(res.point); |
|
3491 options._totalMatrix = parentTotalMatrix; |
|
3492 return res; |
|
3493 }, |
|
3494 |
|
3495 _getChildHitTestOptions: function(options) { |
|
3496 return options; |
|
3497 }, |
|
3498 |
|
3499 _hitTestSelf: function(point, options) { |
|
3500 if (options.fill && this.hasFill() && this._contains(point)) |
|
3501 return new HitResult('fill', this); |
|
3502 }, |
|
3503 |
|
3504 matches: function(name, compare) { |
|
3505 function matchObject(obj1, obj2) { |
|
3506 for (var i in obj1) { |
|
3507 if (obj1.hasOwnProperty(i)) { |
|
3508 var val1 = obj1[i], |
|
3509 val2 = obj2[i]; |
|
3510 if (Base.isPlainObject(val1) && Base.isPlainObject(val2)) { |
|
3511 if (!matchObject(val1, val2)) |
|
3512 return false; |
|
3513 } else if (!Base.equals(val1, val2)) { |
|
3514 return false; |
|
3515 } |
|
3516 } |
|
3517 } |
|
3518 return true; |
|
3519 } |
|
3520 if (typeof name === 'object') { |
|
3521 for (var key in name) { |
|
3522 if (name.hasOwnProperty(key) && !this.matches(key, name[key])) |
|
3523 return false; |
|
3524 } |
|
3525 } else { |
|
3526 var value = /^(empty|editable)$/.test(name) |
|
3527 ? this['is' + Base.capitalize(name)]() |
|
3528 : name === 'type' |
|
3529 ? Base.hyphenate(this._class) |
|
3530 : this[name]; |
|
3531 if (/^(constructor|class)$/.test(name)) { |
|
3532 if (!(this instanceof compare)) |
|
3533 return false; |
|
3534 } else if (compare instanceof RegExp) { |
|
3535 if (!compare.test(value)) |
|
3536 return false; |
|
3537 } else if (typeof compare === 'function') { |
|
3538 if (!compare(value)) |
|
3539 return false; |
|
3540 } else if (Base.isPlainObject(compare)) { |
|
3541 if (!matchObject(compare, value)) |
|
3542 return false; |
|
3543 } else if (!Base.equals(value, compare)) { |
|
3544 return false; |
|
3545 } |
|
3546 } |
|
3547 return true; |
|
3548 }, |
|
3549 |
|
3550 getItems: function(match) { |
|
3551 return Item._getItems(this._children, match, this._matrix); |
|
3552 }, |
|
3553 |
|
3554 getItem: function(match) { |
|
3555 return Item._getItems(this._children, match, this._matrix, null, true) |
|
3556 [0] || null; |
|
3557 }, |
|
3558 |
|
3559 statics: { |
|
3560 _getItems: function _getItems(children, match, matrix, param, |
|
3561 firstOnly) { |
|
3562 if (!param) { |
|
3563 var overlapping = match.overlapping, |
|
3564 inside = match.inside, |
|
3565 bounds = overlapping || inside, |
|
3566 rect = bounds && Rectangle.read([bounds]); |
|
3567 param = { |
|
3568 items: [], |
|
3569 inside: rect, |
|
3570 overlapping: overlapping && new Path.Rectangle({ |
|
3571 rectangle: rect, |
|
3572 insert: false |
|
3573 }) |
|
3574 }; |
|
3575 if (bounds) |
|
3576 match = Base.set({}, match, |
|
3577 { inside: true, overlapping: true }); |
|
3578 } |
|
3579 var items = param.items, |
|
3580 inside = param.inside, |
|
3581 overlapping = param.overlapping; |
|
3582 matrix = inside && (matrix || new Matrix()); |
|
3583 for (var i = 0, l = children && children.length; i < l; i++) { |
|
3584 var child = children[i], |
|
3585 childMatrix = matrix && matrix.chain(child._matrix), |
|
3586 add = true; |
|
3587 if (inside) { |
|
3588 var bounds = child.getBounds(childMatrix); |
|
3589 if (!inside.intersects(bounds)) |
|
3590 continue; |
|
3591 if (!(inside && inside.contains(bounds)) && !(overlapping |
|
3592 && overlapping.intersects(child, childMatrix))) |
|
3593 add = false; |
|
3594 } |
|
3595 if (add && child.matches(match)) { |
|
3596 items.push(child); |
|
3597 if (firstOnly) |
|
3598 break; |
|
3599 } |
|
3600 _getItems(child._children, match, |
|
3601 childMatrix, param, |
|
3602 firstOnly); |
|
3603 if (firstOnly && items.length > 0) |
|
3604 break; |
|
3605 } |
|
3606 return items; |
|
3607 } |
|
3608 } |
|
3609 }, { |
|
3610 |
|
3611 importJSON: function(json) { |
|
3612 var res = Base.importJSON(json, this); |
|
3613 return res !== this |
|
3614 ? this.addChild(res) |
|
3615 : res; |
|
3616 }, |
|
3617 |
|
3618 addChild: function(item, _preserve) { |
|
3619 return this.insertChild(undefined, item, _preserve); |
|
3620 }, |
|
3621 |
|
3622 insertChild: function(index, item, _preserve) { |
|
3623 var res = item ? this.insertChildren(index, [item], _preserve) : null; |
|
3624 return res && res[0]; |
|
3625 }, |
|
3626 |
|
3627 addChildren: function(items, _preserve) { |
|
3628 return this.insertChildren(this._children.length, items, _preserve); |
|
3629 }, |
|
3630 |
|
3631 insertChildren: function(index, items, _preserve, _proto) { |
|
3632 var children = this._children; |
|
3633 if (children && items && items.length > 0) { |
|
3634 items = Array.prototype.slice.apply(items); |
|
3635 for (var i = items.length - 1; i >= 0; i--) { |
|
3636 var item = items[i]; |
|
3637 if (_proto && !(item instanceof _proto)) { |
|
3638 items.splice(i, 1); |
|
3639 } else { |
|
3640 var shift = item._parent === this && item._index < index; |
|
3641 if (item._remove(false, true) && shift) |
|
3642 index--; |
|
3643 } |
|
3644 } |
|
3645 Base.splice(children, items, index, 0); |
|
3646 var project = this._project, |
|
3647 notifySelf = project && project._changes; |
|
3648 for (var i = 0, l = items.length; i < l; i++) { |
|
3649 var item = items[i]; |
|
3650 item._parent = this; |
|
3651 item._setProject(this._project, true); |
|
3652 if (item._name) |
|
3653 item.setName(item._name); |
|
3654 if (notifySelf) |
|
3655 this._changed(5); |
|
3656 } |
|
3657 this._changed(11); |
|
3658 } else { |
|
3659 items = null; |
|
3660 } |
|
3661 return items; |
|
3662 }, |
|
3663 |
|
3664 _insertSibling: function(index, item, _preserve) { |
|
3665 return this._parent |
|
3666 ? this._parent.insertChild(index, item, _preserve) |
|
3667 : null; |
|
3668 }, |
|
3669 |
|
3670 insertAbove: function(item, _preserve) { |
|
3671 return item._insertSibling(item._index + 1, this, _preserve); |
|
3672 }, |
|
3673 |
|
3674 insertBelow: function(item, _preserve) { |
|
3675 return item._insertSibling(item._index, this, _preserve); |
|
3676 }, |
|
3677 |
|
3678 sendToBack: function() { |
|
3679 return (this._parent || this instanceof Layer && this._project) |
|
3680 .insertChild(0, this); |
|
3681 }, |
|
3682 |
|
3683 bringToFront: function() { |
|
3684 return (this._parent || this instanceof Layer && this._project) |
|
3685 .addChild(this); |
|
3686 }, |
|
3687 |
|
3688 appendTop: '#addChild', |
|
3689 |
|
3690 appendBottom: function(item) { |
|
3691 return this.insertChild(0, item); |
|
3692 }, |
|
3693 |
|
3694 moveAbove: '#insertAbove', |
|
3695 |
|
3696 moveBelow: '#insertBelow', |
|
3697 |
|
3698 reduce: function() { |
|
3699 if (this._children && this._children.length === 1) { |
|
3700 var child = this._children[0].reduce(); |
|
3701 child.insertAbove(this); |
|
3702 child.setStyle(this._style); |
|
3703 this.remove(); |
|
3704 return child; |
|
3705 } |
|
3706 return this; |
|
3707 }, |
|
3708 |
|
3709 _removeNamed: function() { |
|
3710 var parent = this._parent; |
|
3711 if (parent) { |
|
3712 var children = parent._children, |
|
3713 namedChildren = parent._namedChildren, |
|
3714 name = this._name, |
|
3715 namedArray = namedChildren[name], |
|
3716 index = namedArray ? namedArray.indexOf(this) : -1; |
|
3717 if (index !== -1) { |
|
3718 if (children[name] == this) |
|
3719 delete children[name]; |
|
3720 namedArray.splice(index, 1); |
|
3721 if (namedArray.length) { |
|
3722 children[name] = namedArray[namedArray.length - 1]; |
|
3723 } else { |
|
3724 delete namedChildren[name]; |
|
3725 } |
|
3726 } |
|
3727 } |
|
3728 }, |
|
3729 |
|
3730 _remove: function(notifySelf, notifyParent) { |
|
3731 var parent = this._parent; |
|
3732 if (parent) { |
|
3733 if (this._name) |
|
3734 this._removeNamed(); |
|
3735 if (this._index != null) |
|
3736 Base.splice(parent._children, null, this._index, 1); |
|
3737 this._installEvents(false); |
|
3738 if (notifySelf) { |
|
3739 var project = this._project; |
|
3740 if (project && project._changes) |
|
3741 this._changed(5); |
|
3742 } |
|
3743 if (notifyParent) |
|
3744 parent._changed(11); |
|
3745 this._parent = null; |
|
3746 return true; |
|
3747 } |
|
3748 return false; |
|
3749 }, |
|
3750 |
|
3751 remove: function() { |
|
3752 return this._remove(true, true); |
|
3753 }, |
|
3754 |
|
3755 replaceWith: function(item) { |
|
3756 var ok = item && item.insertBelow(this); |
|
3757 if (ok) |
|
3758 this.remove(); |
|
3759 return ok; |
|
3760 }, |
|
3761 |
|
3762 removeChildren: function(from, to) { |
|
3763 if (!this._children) |
|
3764 return null; |
|
3765 from = from || 0; |
|
3766 to = Base.pick(to, this._children.length); |
|
3767 var removed = Base.splice(this._children, null, from, to - from); |
|
3768 for (var i = removed.length - 1; i >= 0; i--) { |
|
3769 removed[i]._remove(true, false); |
|
3770 } |
|
3771 if (removed.length > 0) |
|
3772 this._changed(11); |
|
3773 return removed; |
|
3774 }, |
|
3775 |
|
3776 clear: '#removeChildren', |
|
3777 |
|
3778 reverseChildren: function() { |
|
3779 if (this._children) { |
|
3780 this._children.reverse(); |
|
3781 for (var i = 0, l = this._children.length; i < l; i++) |
|
3782 this._children[i]._index = i; |
|
3783 this._changed(11); |
|
3784 } |
|
3785 }, |
|
3786 |
|
3787 isEmpty: function() { |
|
3788 return !this._children || this._children.length === 0; |
|
3789 }, |
|
3790 |
|
3791 isEditable: function() { |
|
3792 var item = this; |
|
3793 while (item) { |
|
3794 if (!item._visible || item._locked) |
|
3795 return false; |
|
3796 item = item._parent; |
|
3797 } |
|
3798 return true; |
|
3799 }, |
|
3800 |
|
3801 hasFill: function() { |
|
3802 return this.getStyle().hasFill(); |
|
3803 }, |
|
3804 |
|
3805 hasStroke: function() { |
|
3806 return this.getStyle().hasStroke(); |
|
3807 }, |
|
3808 |
|
3809 hasShadow: function() { |
|
3810 return this.getStyle().hasShadow(); |
|
3811 }, |
|
3812 |
|
3813 _getOrder: function(item) { |
|
3814 function getList(item) { |
|
3815 var list = []; |
|
3816 do { |
|
3817 list.unshift(item); |
|
3818 } while (item = item._parent); |
|
3819 return list; |
|
3820 } |
|
3821 var list1 = getList(this), |
|
3822 list2 = getList(item); |
|
3823 for (var i = 0, l = Math.min(list1.length, list2.length); i < l; i++) { |
|
3824 if (list1[i] != list2[i]) { |
|
3825 return list1[i]._index < list2[i]._index ? 1 : -1; |
|
3826 } |
|
3827 } |
|
3828 return 0; |
|
3829 }, |
|
3830 |
|
3831 hasChildren: function() { |
|
3832 return this._children && this._children.length > 0; |
|
3833 }, |
|
3834 |
|
3835 isInserted: function() { |
|
3836 return this._parent ? this._parent.isInserted() : false; |
|
3837 }, |
|
3838 |
|
3839 isAbove: function(item) { |
|
3840 return this._getOrder(item) === -1; |
|
3841 }, |
|
3842 |
|
3843 isBelow: function(item) { |
|
3844 return this._getOrder(item) === 1; |
|
3845 }, |
|
3846 |
|
3847 isParent: function(item) { |
|
3848 return this._parent === item; |
|
3849 }, |
|
3850 |
|
3851 isChild: function(item) { |
|
3852 return item && item._parent === this; |
|
3853 }, |
|
3854 |
|
3855 isDescendant: function(item) { |
|
3856 var parent = this; |
|
3857 while (parent = parent._parent) { |
|
3858 if (parent == item) |
|
3859 return true; |
|
3860 } |
|
3861 return false; |
|
3862 }, |
|
3863 |
|
3864 isAncestor: function(item) { |
|
3865 return item ? item.isDescendant(this) : false; |
|
3866 }, |
|
3867 |
|
3868 isGroupedWith: function(item) { |
|
3869 var parent = this._parent; |
|
3870 while (parent) { |
|
3871 if (parent._parent |
|
3872 && /^(Group|Layer|CompoundPath)$/.test(parent._class) |
|
3873 && item.isDescendant(parent)) |
|
3874 return true; |
|
3875 parent = parent._parent; |
|
3876 } |
|
3877 return false; |
|
3878 }, |
|
3879 |
|
3880 translate: function() { |
|
3881 var mx = new Matrix(); |
|
3882 return this.transform(mx.translate.apply(mx, arguments)); |
|
3883 }, |
|
3884 |
|
3885 rotate: function(angle ) { |
|
3886 return this.transform(new Matrix().rotate(angle, |
|
3887 Point.read(arguments, 1, { readNull: true }) |
|
3888 || this.getPosition(true))); |
|
3889 } |
|
3890 }, Base.each(['scale', 'shear', 'skew'], function(name) { |
|
3891 this[name] = function() { |
|
3892 var point = Point.read(arguments), |
|
3893 center = Point.read(arguments, 0, { readNull: true }); |
|
3894 return this.transform(new Matrix()[name](point, |
|
3895 center || this.getPosition(true))); |
|
3896 }; |
|
3897 }, { |
|
3898 |
|
3899 }), { |
|
3900 transform: function(matrix, _applyMatrix, _applyRecursively, |
|
3901 _setApplyMatrix) { |
|
3902 if (matrix && matrix.isIdentity()) |
|
3903 matrix = null; |
|
3904 var _matrix = this._matrix, |
|
3905 applyMatrix = (_applyMatrix || this._applyMatrix) |
|
3906 && ((!_matrix.isIdentity() || matrix) |
|
3907 || _applyMatrix && _applyRecursively && this._children); |
|
3908 if (!matrix && !applyMatrix) |
|
3909 return this; |
|
3910 if (matrix) |
|
3911 _matrix.preConcatenate(matrix); |
|
3912 if (applyMatrix = applyMatrix && this._transformContent(_matrix, |
|
3913 _applyRecursively, _setApplyMatrix)) { |
|
3914 var pivot = this._pivot, |
|
3915 style = this._style, |
|
3916 fillColor = style.getFillColor(true), |
|
3917 strokeColor = style.getStrokeColor(true); |
|
3918 if (pivot) |
|
3919 _matrix._transformPoint(pivot, pivot, true); |
|
3920 if (fillColor) |
|
3921 fillColor.transform(_matrix); |
|
3922 if (strokeColor) |
|
3923 strokeColor.transform(_matrix); |
|
3924 _matrix.reset(true); |
|
3925 if (_setApplyMatrix && this._canApplyMatrix) |
|
3926 this._applyMatrix = true; |
|
3927 } |
|
3928 var bounds = this._bounds, |
|
3929 position = this._position; |
|
3930 this._changed(9); |
|
3931 var decomp = bounds && matrix && matrix.decompose(); |
|
3932 if (decomp && !decomp.shearing && decomp.rotation % 90 === 0) { |
|
3933 for (var key in bounds) { |
|
3934 var rect = bounds[key]; |
|
3935 if (applyMatrix || !rect._internal) |
|
3936 matrix._transformBounds(rect, rect); |
|
3937 } |
|
3938 var getter = this._boundsGetter, |
|
3939 rect = bounds[getter && getter.getBounds || getter || 'getBounds']; |
|
3940 if (rect) |
|
3941 this._position = rect.getCenter(true); |
|
3942 this._bounds = bounds; |
|
3943 } else if (matrix && position) { |
|
3944 this._position = matrix._transformPoint(position, position); |
|
3945 } |
|
3946 return this; |
|
3947 }, |
|
3948 |
|
3949 _transformContent: function(matrix, applyRecursively, setApplyMatrix) { |
|
3950 var children = this._children; |
|
3951 if (children) { |
|
3952 for (var i = 0, l = children.length; i < l; i++) |
|
3953 children[i].transform(matrix, true, applyRecursively, |
|
3954 setApplyMatrix); |
|
3955 return true; |
|
3956 } |
|
3957 }, |
|
3958 |
|
3959 globalToLocal: function() { |
|
3960 return this.getGlobalMatrix(true)._inverseTransform( |
|
3961 Point.read(arguments)); |
|
3962 }, |
|
3963 |
|
3964 localToGlobal: function() { |
|
3965 return this.getGlobalMatrix(true)._transformPoint( |
|
3966 Point.read(arguments)); |
|
3967 }, |
|
3968 |
|
3969 parentToLocal: function() { |
|
3970 return this._matrix._inverseTransform(Point.read(arguments)); |
|
3971 }, |
|
3972 |
|
3973 localToParent: function() { |
|
3974 return this._matrix._transformPoint(Point.read(arguments)); |
|
3975 }, |
|
3976 |
|
3977 fitBounds: function(rectangle, fill) { |
|
3978 rectangle = Rectangle.read(arguments); |
|
3979 var bounds = this.getBounds(), |
|
3980 itemRatio = bounds.height / bounds.width, |
|
3981 rectRatio = rectangle.height / rectangle.width, |
|
3982 scale = (fill ? itemRatio > rectRatio : itemRatio < rectRatio) |
|
3983 ? rectangle.width / bounds.width |
|
3984 : rectangle.height / bounds.height, |
|
3985 newBounds = new Rectangle(new Point(), |
|
3986 new Size(bounds.width * scale, bounds.height * scale)); |
|
3987 newBounds.setCenter(rectangle.getCenter()); |
|
3988 this.setBounds(newBounds); |
|
3989 }, |
|
3990 |
|
3991 _setStyles: function(ctx) { |
|
3992 var style = this._style, |
|
3993 fillColor = style.getFillColor(), |
|
3994 strokeColor = style.getStrokeColor(), |
|
3995 shadowColor = style.getShadowColor(); |
|
3996 if (fillColor) |
|
3997 ctx.fillStyle = fillColor.toCanvasStyle(ctx); |
|
3998 if (strokeColor) { |
|
3999 var strokeWidth = style.getStrokeWidth(); |
|
4000 if (strokeWidth > 0) { |
|
4001 ctx.strokeStyle = strokeColor.toCanvasStyle(ctx); |
|
4002 ctx.lineWidth = strokeWidth; |
|
4003 var strokeJoin = style.getStrokeJoin(), |
|
4004 strokeCap = style.getStrokeCap(), |
|
4005 miterLimit = style.getMiterLimit(); |
|
4006 if (strokeJoin) |
|
4007 ctx.lineJoin = strokeJoin; |
|
4008 if (strokeCap) |
|
4009 ctx.lineCap = strokeCap; |
|
4010 if (miterLimit) |
|
4011 ctx.miterLimit = miterLimit; |
|
4012 if (paper.support.nativeDash) { |
|
4013 var dashArray = style.getDashArray(), |
|
4014 dashOffset = style.getDashOffset(); |
|
4015 if (dashArray && dashArray.length) { |
|
4016 if ('setLineDash' in ctx) { |
|
4017 ctx.setLineDash(dashArray); |
|
4018 ctx.lineDashOffset = dashOffset; |
|
4019 } else { |
|
4020 ctx.mozDash = dashArray; |
|
4021 ctx.mozDashOffset = dashOffset; |
|
4022 } |
|
4023 } |
|
4024 } |
|
4025 } |
|
4026 } |
|
4027 if (shadowColor) { |
|
4028 var shadowBlur = style.getShadowBlur(); |
|
4029 if (shadowBlur > 0) { |
|
4030 ctx.shadowColor = shadowColor.toCanvasStyle(ctx); |
|
4031 ctx.shadowBlur = shadowBlur; |
|
4032 var offset = this.getShadowOffset(); |
|
4033 ctx.shadowOffsetX = offset.x; |
|
4034 ctx.shadowOffsetY = offset.y; |
|
4035 } |
|
4036 } |
|
4037 }, |
|
4038 |
|
4039 draw: function(ctx, param, parentStrokeMatrix) { |
|
4040 var updateVersion = this._updateVersion = this._project._updateVersion; |
|
4041 if (!this._visible || this._opacity === 0) |
|
4042 return; |
|
4043 var matrices = param.matrices, |
|
4044 viewMatrix = param.viewMatrix, |
|
4045 matrix = this._matrix, |
|
4046 globalMatrix = matrices[matrices.length - 1].chain(matrix); |
|
4047 if (!globalMatrix.isInvertible()) |
|
4048 return; |
|
4049 |
|
4050 function getViewMatrix(matrix) { |
|
4051 return viewMatrix ? viewMatrix.chain(matrix) : matrix; |
|
4052 } |
|
4053 |
|
4054 matrices.push(globalMatrix); |
|
4055 if (param.updateMatrix) { |
|
4056 globalMatrix._updateVersion = updateVersion; |
|
4057 this._globalMatrix = globalMatrix; |
|
4058 } |
|
4059 |
|
4060 var blendMode = this._blendMode, |
|
4061 opacity = this._opacity, |
|
4062 normalBlend = blendMode === 'normal', |
|
4063 nativeBlend = BlendMode.nativeModes[blendMode], |
|
4064 direct = normalBlend && opacity === 1 |
|
4065 || param.dontStart |
|
4066 || param.clip |
|
4067 || (nativeBlend || normalBlend && opacity < 1) |
|
4068 && this._canComposite(), |
|
4069 pixelRatio = param.pixelRatio, |
|
4070 mainCtx, itemOffset, prevOffset; |
|
4071 if (!direct) { |
|
4072 var bounds = this.getStrokeBounds(getViewMatrix(globalMatrix)); |
|
4073 if (!bounds.width || !bounds.height) |
|
4074 return; |
|
4075 prevOffset = param.offset; |
|
4076 itemOffset = param.offset = bounds.getTopLeft().floor(); |
|
4077 mainCtx = ctx; |
|
4078 ctx = CanvasProvider.getContext(bounds.getSize().ceil().add(1) |
|
4079 .multiply(pixelRatio)); |
|
4080 if (pixelRatio !== 1) |
|
4081 ctx.scale(pixelRatio, pixelRatio); |
|
4082 } |
|
4083 ctx.save(); |
|
4084 var strokeMatrix = parentStrokeMatrix |
|
4085 ? parentStrokeMatrix.chain(matrix) |
|
4086 : !this.getStrokeScaling(true) && getViewMatrix(globalMatrix), |
|
4087 clip = !direct && param.clipItem, |
|
4088 transform = !strokeMatrix || clip; |
|
4089 if (direct) { |
|
4090 ctx.globalAlpha = opacity; |
|
4091 if (nativeBlend) |
|
4092 ctx.globalCompositeOperation = blendMode; |
|
4093 } else if (transform) { |
|
4094 ctx.translate(-itemOffset.x, -itemOffset.y); |
|
4095 } |
|
4096 if (transform) |
|
4097 (direct ? matrix : getViewMatrix(globalMatrix)).applyToContext(ctx); |
|
4098 if (clip) |
|
4099 param.clipItem.draw(ctx, param.extend({ clip: true })); |
|
4100 if (strokeMatrix) { |
|
4101 ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); |
|
4102 var offset = param.offset; |
|
4103 if (offset) |
|
4104 ctx.translate(-offset.x, -offset.y); |
|
4105 } |
|
4106 this._draw(ctx, param, strokeMatrix); |
|
4107 ctx.restore(); |
|
4108 matrices.pop(); |
|
4109 if (param.clip && !param.dontFinish) |
|
4110 ctx.clip(); |
|
4111 if (!direct) { |
|
4112 BlendMode.process(blendMode, ctx, mainCtx, opacity, |
|
4113 itemOffset.subtract(prevOffset).multiply(pixelRatio)); |
|
4114 CanvasProvider.release(ctx); |
|
4115 param.offset = prevOffset; |
|
4116 } |
|
4117 }, |
|
4118 |
|
4119 _isUpdated: function(updateVersion) { |
|
4120 var parent = this._parent; |
|
4121 if (parent instanceof CompoundPath) |
|
4122 return parent._isUpdated(updateVersion); |
|
4123 var updated = this._updateVersion === updateVersion; |
|
4124 if (!updated && parent && parent._visible |
|
4125 && parent._isUpdated(updateVersion)) { |
|
4126 this._updateVersion = updateVersion; |
|
4127 updated = true; |
|
4128 } |
|
4129 return updated; |
|
4130 }, |
|
4131 |
|
4132 _drawSelection: function(ctx, matrix, size, selectedItems, updateVersion) { |
|
4133 if ((this._drawSelected || this._boundsSelected) |
|
4134 && this._isUpdated(updateVersion)) { |
|
4135 var color = this.getSelectedColor(true) |
|
4136 || this.getLayer().getSelectedColor(true), |
|
4137 mx = matrix.chain(this.getGlobalMatrix(true)); |
|
4138 ctx.strokeStyle = ctx.fillStyle = color |
|
4139 ? color.toCanvasStyle(ctx) : '#009dec'; |
|
4140 if (this._drawSelected) |
|
4141 this._drawSelected(ctx, mx, selectedItems); |
|
4142 if (this._boundsSelected) { |
|
4143 var half = size / 2; |
|
4144 coords = mx._transformCorners(this.getInternalBounds()); |
|
4145 ctx.beginPath(); |
|
4146 for (var i = 0; i < 8; i++) |
|
4147 ctx[i === 0 ? 'moveTo' : 'lineTo'](coords[i], coords[++i]); |
|
4148 ctx.closePath(); |
|
4149 ctx.stroke(); |
|
4150 for (var i = 0; i < 8; i++) |
|
4151 ctx.fillRect(coords[i] - half, coords[++i] - half, |
|
4152 size, size); |
|
4153 } |
|
4154 } |
|
4155 }, |
|
4156 |
|
4157 _canComposite: function() { |
|
4158 return false; |
|
4159 } |
|
4160 }, Base.each(['down', 'drag', 'up', 'move'], function(name) { |
|
4161 this['removeOn' + Base.capitalize(name)] = function() { |
|
4162 var hash = {}; |
|
4163 hash[name] = true; |
|
4164 return this.removeOn(hash); |
|
4165 }; |
|
4166 }, { |
|
4167 |
|
4168 removeOn: function(obj) { |
|
4169 for (var name in obj) { |
|
4170 if (obj[name]) { |
|
4171 var key = 'mouse' + name, |
|
4172 project = this._project, |
|
4173 sets = project._removeSets = project._removeSets || {}; |
|
4174 sets[key] = sets[key] || {}; |
|
4175 sets[key][this._id] = this; |
|
4176 } |
|
4177 } |
|
4178 return this; |
|
4179 } |
|
4180 })); |
|
4181 |
|
4182 var Group = Item.extend({ |
|
4183 _class: 'Group', |
|
4184 _selectChildren: true, |
|
4185 _serializeFields: { |
|
4186 children: [] |
|
4187 }, |
|
4188 |
|
4189 initialize: function Group(arg) { |
|
4190 this._children = []; |
|
4191 this._namedChildren = {}; |
|
4192 if (!this._initialize(arg)) |
|
4193 this.addChildren(Array.isArray(arg) ? arg : arguments); |
|
4194 }, |
|
4195 |
|
4196 _changed: function _changed(flags) { |
|
4197 _changed.base.call(this, flags); |
|
4198 if (flags & 1026) { |
|
4199 this._clipItem = undefined; |
|
4200 } |
|
4201 }, |
|
4202 |
|
4203 _getClipItem: function() { |
|
4204 var clipItem = this._clipItem; |
|
4205 if (clipItem === undefined) { |
|
4206 clipItem = null; |
|
4207 for (var i = 0, l = this._children.length; i < l; i++) { |
|
4208 var child = this._children[i]; |
|
4209 if (child._clipMask) { |
|
4210 clipItem = child; |
|
4211 break; |
|
4212 } |
|
4213 } |
|
4214 this._clipItem = clipItem; |
|
4215 } |
|
4216 return clipItem; |
|
4217 }, |
|
4218 |
|
4219 isClipped: function() { |
|
4220 return !!this._getClipItem(); |
|
4221 }, |
|
4222 |
|
4223 setClipped: function(clipped) { |
|
4224 var child = this.getFirstChild(); |
|
4225 if (child) |
|
4226 child.setClipMask(clipped); |
|
4227 }, |
|
4228 |
|
4229 _draw: function(ctx, param) { |
|
4230 var clip = param.clip, |
|
4231 clipItem = !clip && this._getClipItem(), |
|
4232 draw = true; |
|
4233 param = param.extend({ clipItem: clipItem, clip: false }); |
|
4234 if (clip) { |
|
4235 if (this._currentPath) { |
|
4236 ctx.currentPath = this._currentPath; |
|
4237 draw = false; |
|
4238 } else { |
|
4239 ctx.beginPath(); |
|
4240 param.dontStart = param.dontFinish = true; |
|
4241 } |
|
4242 } else if (clipItem) { |
|
4243 clipItem.draw(ctx, param.extend({ clip: true })); |
|
4244 } |
|
4245 if (draw) { |
|
4246 for (var i = 0, l = this._children.length; i < l; i++) { |
|
4247 var item = this._children[i]; |
|
4248 if (item !== clipItem) |
|
4249 item.draw(ctx, param); |
|
4250 } |
|
4251 } |
|
4252 if (clip) { |
|
4253 this._currentPath = ctx.currentPath; |
|
4254 } |
|
4255 } |
|
4256 }); |
|
4257 |
|
4258 var Layer = Group.extend({ |
|
4259 _class: 'Layer', |
|
4260 |
|
4261 initialize: function Layer(arg) { |
|
4262 var props = Base.isPlainObject(arg) |
|
4263 ? new Base(arg) |
|
4264 : { children: Array.isArray(arg) ? arg : arguments }, |
|
4265 insert = props.insert; |
|
4266 props.insert = false; |
|
4267 Group.call(this, props); |
|
4268 if (insert || insert === undefined) { |
|
4269 this._project.addChild(this); |
|
4270 this.activate(); |
|
4271 } |
|
4272 }, |
|
4273 |
|
4274 _remove: function _remove(notifySelf, notifyParent) { |
|
4275 if (this._parent) |
|
4276 return _remove.base.call(this, notifySelf, notifyParent); |
|
4277 if (this._index != null) { |
|
4278 var project = this._project; |
|
4279 if (project._activeLayer === this) |
|
4280 project._activeLayer = this.getNextSibling() |
|
4281 || this.getPreviousSibling(); |
|
4282 Base.splice(project.layers, null, this._index, 1); |
|
4283 this._installEvents(false); |
|
4284 if (notifySelf && project._changes) |
|
4285 this._changed(5); |
|
4286 if (notifyParent) { |
|
4287 project._needsUpdate = true; |
|
4288 } |
|
4289 return true; |
|
4290 } |
|
4291 return false; |
|
4292 }, |
|
4293 |
|
4294 getNextSibling: function getNextSibling() { |
|
4295 return this._parent ? getNextSibling.base.call(this) |
|
4296 : this._project.layers[this._index + 1] || null; |
|
4297 }, |
|
4298 |
|
4299 getPreviousSibling: function getPreviousSibling() { |
|
4300 return this._parent ? getPreviousSibling.base.call(this) |
|
4301 : this._project.layers[this._index - 1] || null; |
|
4302 }, |
|
4303 |
|
4304 isInserted: function isInserted() { |
|
4305 return this._parent ? isInserted.base.call(this) : this._index != null; |
|
4306 }, |
|
4307 |
|
4308 activate: function() { |
|
4309 this._project._activeLayer = this; |
|
4310 }, |
|
4311 |
|
4312 _insertSibling: function _insertSibling(index, item, _preserve) { |
|
4313 return !this._parent |
|
4314 ? this._project.insertChild(index, item, _preserve) |
|
4315 : _insertSibling.base.call(this, index, item, _preserve); |
|
4316 } |
|
4317 }); |
|
4318 |
|
4319 var Shape = Item.extend({ |
|
4320 _class: 'Shape', |
|
4321 _applyMatrix: false, |
|
4322 _canApplyMatrix: false, |
|
4323 _boundsSelected: true, |
|
4324 _serializeFields: { |
|
4325 type: null, |
|
4326 size: null, |
|
4327 radius: null |
|
4328 }, |
|
4329 |
|
4330 initialize: function Shape(props) { |
|
4331 this._initialize(props); |
|
4332 }, |
|
4333 |
|
4334 _equals: function(item) { |
|
4335 return this._type === item._type |
|
4336 && this._size.equals(item._size) |
|
4337 && Base.equals(this._radius, item._radius); |
|
4338 }, |
|
4339 |
|
4340 clone: function(insert) { |
|
4341 var copy = new Shape(Item.NO_INSERT); |
|
4342 copy.setType(this._type); |
|
4343 copy.setSize(this._size); |
|
4344 copy.setRadius(this._radius); |
|
4345 return this._clone(copy, insert); |
|
4346 }, |
|
4347 |
|
4348 getType: function() { |
|
4349 return this._type; |
|
4350 }, |
|
4351 |
|
4352 setType: function(type) { |
|
4353 this._type = type; |
|
4354 }, |
|
4355 |
|
4356 getShape: '#getType', |
|
4357 setShape: '#setType', |
|
4358 |
|
4359 getSize: function() { |
|
4360 var size = this._size; |
|
4361 return new LinkedSize(size.width, size.height, this, 'setSize'); |
|
4362 }, |
|
4363 |
|
4364 setSize: function() { |
|
4365 var size = Size.read(arguments); |
|
4366 if (!this._size) { |
|
4367 this._size = size.clone(); |
|
4368 } else if (!this._size.equals(size)) { |
|
4369 var type = this._type, |
|
4370 width = size.width, |
|
4371 height = size.height; |
|
4372 if (type === 'rectangle') { |
|
4373 var radius = Size.min(this._radius, size.divide(2)); |
|
4374 this._radius.set(radius.width, radius.height); |
|
4375 } else if (type === 'circle') { |
|
4376 width = height = (width + height) / 2; |
|
4377 this._radius = width / 2; |
|
4378 } else if (type === 'ellipse') { |
|
4379 this._radius.set(width / 2, height / 2); |
|
4380 } |
|
4381 this._size.set(width, height); |
|
4382 this._changed(9); |
|
4383 } |
|
4384 }, |
|
4385 |
|
4386 getRadius: function() { |
|
4387 var rad = this._radius; |
|
4388 return this._type === 'circle' |
|
4389 ? rad |
|
4390 : new LinkedSize(rad.width, rad.height, this, 'setRadius'); |
|
4391 }, |
|
4392 |
|
4393 setRadius: function(radius) { |
|
4394 var type = this._type; |
|
4395 if (type === 'circle') { |
|
4396 if (radius === this._radius) |
|
4397 return; |
|
4398 var size = radius * 2; |
|
4399 this._radius = radius; |
|
4400 this._size.set(size, size); |
|
4401 } else { |
|
4402 radius = Size.read(arguments); |
|
4403 if (!this._radius) { |
|
4404 this._radius = radius.clone(); |
|
4405 } else { |
|
4406 if (this._radius.equals(radius)) |
|
4407 return; |
|
4408 this._radius.set(radius.width, radius.height); |
|
4409 if (type === 'rectangle') { |
|
4410 var size = Size.max(this._size, radius.multiply(2)); |
|
4411 this._size.set(size.width, size.height); |
|
4412 } else if (type === 'ellipse') { |
|
4413 this._size.set(radius.width * 2, radius.height * 2); |
|
4414 } |
|
4415 } |
|
4416 } |
|
4417 this._changed(9); |
|
4418 }, |
|
4419 |
|
4420 isEmpty: function() { |
|
4421 return false; |
|
4422 }, |
|
4423 |
|
4424 toPath: function(insert) { |
|
4425 var path = new Path[Base.capitalize(this._type)]({ |
|
4426 center: new Point(), |
|
4427 size: this._size, |
|
4428 radius: this._radius, |
|
4429 insert: false |
|
4430 }); |
|
4431 path.setStyle(this._style); |
|
4432 path.transform(this._matrix); |
|
4433 if (insert || insert === undefined) |
|
4434 path.insertAbove(this); |
|
4435 return path; |
|
4436 }, |
|
4437 |
|
4438 _draw: function(ctx, param, strokeMatrix) { |
|
4439 var style = this._style, |
|
4440 hasFill = style.hasFill(), |
|
4441 hasStroke = style.hasStroke(), |
|
4442 dontPaint = param.dontFinish || param.clip, |
|
4443 untransformed = !strokeMatrix; |
|
4444 if (hasFill || hasStroke || dontPaint) { |
|
4445 var type = this._type, |
|
4446 radius = this._radius, |
|
4447 isCircle = type === 'circle'; |
|
4448 if (!param.dontStart) |
|
4449 ctx.beginPath(); |
|
4450 if (untransformed && isCircle) { |
|
4451 ctx.arc(0, 0, radius, 0, Math.PI * 2, true); |
|
4452 } else { |
|
4453 var rx = isCircle ? radius : radius.width, |
|
4454 ry = isCircle ? radius : radius.height, |
|
4455 size = this._size, |
|
4456 width = size.width, |
|
4457 height = size.height; |
|
4458 if (untransformed && type === 'rect' && rx === 0 && ry === 0) { |
|
4459 ctx.rect(-width / 2, -height / 2, width, height); |
|
4460 } else { |
|
4461 var x = width / 2, |
|
4462 y = height / 2, |
|
4463 kappa = 1 - 0.5522847498307936, |
|
4464 cx = rx * kappa, |
|
4465 cy = ry * kappa, |
|
4466 c = [ |
|
4467 -x, -y + ry, |
|
4468 -x, -y + cy, |
|
4469 -x + cx, -y, |
|
4470 -x + rx, -y, |
|
4471 x - rx, -y, |
|
4472 x - cx, -y, |
|
4473 x, -y + cy, |
|
4474 x, -y + ry, |
|
4475 x, y - ry, |
|
4476 x, y - cy, |
|
4477 x - cx, y, |
|
4478 x - rx, y, |
|
4479 -x + rx, y, |
|
4480 -x + cx, y, |
|
4481 -x, y - cy, |
|
4482 -x, y - ry |
|
4483 ]; |
|
4484 if (strokeMatrix) |
|
4485 strokeMatrix.transform(c, c, 32); |
|
4486 ctx.moveTo(c[0], c[1]); |
|
4487 ctx.bezierCurveTo(c[2], c[3], c[4], c[5], c[6], c[7]); |
|
4488 if (x !== rx) |
|
4489 ctx.lineTo(c[8], c[9]); |
|
4490 ctx.bezierCurveTo(c[10], c[11], c[12], c[13], c[14], c[15]); |
|
4491 if (y !== ry) |
|
4492 ctx.lineTo(c[16], c[17]); |
|
4493 ctx.bezierCurveTo(c[18], c[19], c[20], c[21], c[22], c[23]); |
|
4494 if (x !== rx) |
|
4495 ctx.lineTo(c[24], c[25]); |
|
4496 ctx.bezierCurveTo(c[26], c[27], c[28], c[29], c[30], c[31]); |
|
4497 } |
|
4498 } |
|
4499 ctx.closePath(); |
|
4500 } |
|
4501 if (!dontPaint && (hasFill || hasStroke)) { |
|
4502 this._setStyles(ctx); |
|
4503 if (hasFill) { |
|
4504 ctx.fill(style.getWindingRule()); |
|
4505 ctx.shadowColor = 'rgba(0,0,0,0)'; |
|
4506 } |
|
4507 if (hasStroke) |
|
4508 ctx.stroke(); |
|
4509 } |
|
4510 }, |
|
4511 |
|
4512 _canComposite: function() { |
|
4513 return !(this.hasFill() && this.hasStroke()); |
|
4514 }, |
|
4515 |
|
4516 _getBounds: function(getter, matrix) { |
|
4517 var rect = new Rectangle(this._size).setCenter(0, 0); |
|
4518 if (getter !== 'getBounds' && this.hasStroke()) |
|
4519 rect = rect.expand(this.getStrokeWidth()); |
|
4520 return matrix ? matrix._transformBounds(rect) : rect; |
|
4521 } |
|
4522 }, |
|
4523 new function() { |
|
4524 |
|
4525 function getCornerCenter(that, point, expand) { |
|
4526 var radius = that._radius; |
|
4527 if (!radius.isZero()) { |
|
4528 var halfSize = that._size.divide(2); |
|
4529 for (var i = 0; i < 4; i++) { |
|
4530 var dir = new Point(i & 1 ? 1 : -1, i > 1 ? 1 : -1), |
|
4531 corner = dir.multiply(halfSize), |
|
4532 center = corner.subtract(dir.multiply(radius)), |
|
4533 rect = new Rectangle(corner, center); |
|
4534 if ((expand ? rect.expand(expand) : rect).contains(point)) |
|
4535 return center; |
|
4536 } |
|
4537 } |
|
4538 } |
|
4539 |
|
4540 function getEllipseRadius(point, radius) { |
|
4541 var angle = point.getAngleInRadians(), |
|
4542 width = radius.width * 2, |
|
4543 height = radius.height * 2, |
|
4544 x = width * Math.sin(angle), |
|
4545 y = height * Math.cos(angle); |
|
4546 return width * height / (2 * Math.sqrt(x * x + y * y)); |
|
4547 } |
|
4548 |
|
4549 return { |
|
4550 _contains: function _contains(point) { |
|
4551 if (this._type === 'rectangle') { |
|
4552 var center = getCornerCenter(this, point); |
|
4553 return center |
|
4554 ? point.subtract(center).divide(this._radius) |
|
4555 .getLength() <= 1 |
|
4556 : _contains.base.call(this, point); |
|
4557 } else { |
|
4558 return point.divide(this.size).getLength() <= 0.5; |
|
4559 } |
|
4560 }, |
|
4561 |
|
4562 _hitTestSelf: function _hitTestSelf(point, options) { |
|
4563 var hit = false; |
|
4564 if (this.hasStroke()) { |
|
4565 var type = this._type, |
|
4566 radius = this._radius, |
|
4567 strokeWidth = this.getStrokeWidth() + 2 * options.tolerance; |
|
4568 if (type === 'rectangle') { |
|
4569 var center = getCornerCenter(this, point, strokeWidth); |
|
4570 if (center) { |
|
4571 var pt = point.subtract(center); |
|
4572 hit = 2 * Math.abs(pt.getLength() |
|
4573 - getEllipseRadius(pt, radius)) <= strokeWidth; |
|
4574 } else { |
|
4575 var rect = new Rectangle(this._size).setCenter(0, 0), |
|
4576 outer = rect.expand(strokeWidth), |
|
4577 inner = rect.expand(-strokeWidth); |
|
4578 hit = outer._containsPoint(point) |
|
4579 && !inner._containsPoint(point); |
|
4580 } |
|
4581 } else { |
|
4582 if (type === 'ellipse') |
|
4583 radius = getEllipseRadius(point, radius); |
|
4584 hit = 2 * Math.abs(point.getLength() - radius) |
|
4585 <= strokeWidth; |
|
4586 } |
|
4587 } |
|
4588 return hit |
|
4589 ? new HitResult('stroke', this) |
|
4590 : _hitTestSelf.base.apply(this, arguments); |
|
4591 } |
|
4592 }; |
|
4593 }, { |
|
4594 |
|
4595 statics: new function() { |
|
4596 function createShape(type, point, size, radius, args) { |
|
4597 var item = new Shape(Base.getNamed(args)); |
|
4598 item._type = type; |
|
4599 item._size = size; |
|
4600 item._radius = radius; |
|
4601 return item.translate(point); |
|
4602 } |
|
4603 |
|
4604 return { |
|
4605 Circle: function() { |
|
4606 var center = Point.readNamed(arguments, 'center'), |
|
4607 radius = Base.readNamed(arguments, 'radius'); |
|
4608 return createShape('circle', center, new Size(radius * 2), radius, |
|
4609 arguments); |
|
4610 }, |
|
4611 |
|
4612 Rectangle: function() { |
|
4613 var rect = Rectangle.readNamed(arguments, 'rectangle'), |
|
4614 radius = Size.min(Size.readNamed(arguments, 'radius'), |
|
4615 rect.getSize(true).divide(2)); |
|
4616 return createShape('rectangle', rect.getCenter(true), |
|
4617 rect.getSize(true), radius, arguments); |
|
4618 }, |
|
4619 |
|
4620 Ellipse: function() { |
|
4621 var ellipse = Shape._readEllipse(arguments), |
|
4622 radius = ellipse.radius; |
|
4623 return createShape('ellipse', ellipse.center, radius.multiply(2), |
|
4624 radius, arguments); |
|
4625 }, |
|
4626 |
|
4627 _readEllipse: function(args) { |
|
4628 var center, |
|
4629 radius; |
|
4630 if (Base.hasNamed(args, 'radius')) { |
|
4631 center = Point.readNamed(args, 'center'); |
|
4632 radius = Size.readNamed(args, 'radius'); |
|
4633 } else { |
|
4634 var rect = Rectangle.readNamed(args, 'rectangle'); |
|
4635 center = rect.getCenter(true); |
|
4636 radius = rect.getSize(true).divide(2); |
|
4637 } |
|
4638 return { center: center, radius: radius }; |
|
4639 } |
|
4640 }; |
|
4641 }}); |
|
4642 |
|
4643 var Raster = Item.extend({ |
|
4644 _class: 'Raster', |
|
4645 _applyMatrix: false, |
|
4646 _canApplyMatrix: false, |
|
4647 _boundsGetter: 'getBounds', |
|
4648 _boundsSelected: true, |
|
4649 _serializeFields: { |
|
4650 source: null |
|
4651 }, |
|
4652 |
|
4653 initialize: function Raster(object, position) { |
|
4654 if (!this._initialize(object, |
|
4655 position !== undefined && Point.read(arguments, 1))) { |
|
4656 if (typeof object === 'string') { |
|
4657 this.setSource(object); |
|
4658 } else { |
|
4659 this.setImage(object); |
|
4660 } |
|
4661 } |
|
4662 if (!this._size) { |
|
4663 this._size = new Size(); |
|
4664 this._loaded = false; |
|
4665 } |
|
4666 }, |
|
4667 |
|
4668 _equals: function(item) { |
|
4669 return this.getSource() === item.getSource(); |
|
4670 }, |
|
4671 |
|
4672 clone: function(insert) { |
|
4673 var copy = new Raster(Item.NO_INSERT), |
|
4674 image = this._image, |
|
4675 canvas = this._canvas; |
|
4676 if (image) { |
|
4677 copy.setImage(image); |
|
4678 } else if (canvas) { |
|
4679 var copyCanvas = CanvasProvider.getCanvas(this._size); |
|
4680 copyCanvas.getContext('2d').drawImage(canvas, 0, 0); |
|
4681 copy.setImage(copyCanvas); |
|
4682 } |
|
4683 return this._clone(copy, insert); |
|
4684 }, |
|
4685 |
|
4686 getSize: function() { |
|
4687 var size = this._size; |
|
4688 return new LinkedSize(size ? size.width : 0, size ? size.height : 0, |
|
4689 this, 'setSize'); |
|
4690 }, |
|
4691 |
|
4692 setSize: function() { |
|
4693 var size = Size.read(arguments); |
|
4694 if (!size.equals(this._size)) { |
|
4695 if (size.width > 0 && size.height > 0) { |
|
4696 var element = this.getElement(); |
|
4697 this.setImage(CanvasProvider.getCanvas(size)); |
|
4698 if (element) |
|
4699 this.getContext(true).drawImage(element, 0, 0, |
|
4700 size.width, size.height); |
|
4701 } else { |
|
4702 if (this._canvas) |
|
4703 CanvasProvider.release(this._canvas); |
|
4704 this._size = size.clone(); |
|
4705 } |
|
4706 } |
|
4707 }, |
|
4708 |
|
4709 getWidth: function() { |
|
4710 return this._size ? this._size.width : 0; |
|
4711 }, |
|
4712 |
|
4713 setWidth: function(width) { |
|
4714 this.setSize(width, this.getHeight()); |
|
4715 }, |
|
4716 |
|
4717 getHeight: function() { |
|
4718 return this._size ? this._size.height : 0; |
|
4719 }, |
|
4720 |
|
4721 setHeight: function(height) { |
|
4722 this.setSize(this.getWidth(), height); |
|
4723 }, |
|
4724 |
|
4725 isEmpty: function() { |
|
4726 var size = this._size; |
|
4727 return !size || size.width === 0 && size.height === 0; |
|
4728 }, |
|
4729 |
|
4730 getResolution: function() { |
|
4731 var matrix = this._matrix, |
|
4732 orig = new Point(0, 0).transform(matrix), |
|
4733 u = new Point(1, 0).transform(matrix).subtract(orig), |
|
4734 v = new Point(0, 1).transform(matrix).subtract(orig); |
|
4735 return new Size( |
|
4736 72 / u.getLength(), |
|
4737 72 / v.getLength() |
|
4738 ); |
|
4739 }, |
|
4740 |
|
4741 getPpi: '#getResolution', |
|
4742 |
|
4743 getImage: function() { |
|
4744 return this._image; |
|
4745 }, |
|
4746 |
|
4747 setImage: function(image) { |
|
4748 if (this._canvas) |
|
4749 CanvasProvider.release(this._canvas); |
|
4750 if (image && image.getContext) { |
|
4751 this._image = null; |
|
4752 this._canvas = image; |
|
4753 this._loaded = true; |
|
4754 } else { |
|
4755 this._image = image; |
|
4756 this._canvas = null; |
|
4757 this._loaded = image && image.complete; |
|
4758 } |
|
4759 this._size = new Size( |
|
4760 image ? image.naturalWidth || image.width : 0, |
|
4761 image ? image.naturalHeight || image.height : 0); |
|
4762 this._context = null; |
|
4763 this._changed(521); |
|
4764 }, |
|
4765 |
|
4766 getCanvas: function() { |
|
4767 if (!this._canvas) { |
|
4768 var ctx = CanvasProvider.getContext(this._size); |
|
4769 try { |
|
4770 if (this._image) |
|
4771 ctx.drawImage(this._image, 0, 0); |
|
4772 this._canvas = ctx.canvas; |
|
4773 } catch (e) { |
|
4774 CanvasProvider.release(ctx); |
|
4775 } |
|
4776 } |
|
4777 return this._canvas; |
|
4778 }, |
|
4779 |
|
4780 setCanvas: '#setImage', |
|
4781 |
|
4782 getContext: function(modify) { |
|
4783 if (!this._context) |
|
4784 this._context = this.getCanvas().getContext('2d'); |
|
4785 if (modify) { |
|
4786 this._image = null; |
|
4787 this._changed(513); |
|
4788 } |
|
4789 return this._context; |
|
4790 }, |
|
4791 |
|
4792 setContext: function(context) { |
|
4793 this._context = context; |
|
4794 }, |
|
4795 |
|
4796 getSource: function() { |
|
4797 return this._image && this._image.src || this.toDataURL(); |
|
4798 }, |
|
4799 |
|
4800 setSource: function(src) { |
|
4801 var that = this, |
|
4802 image; |
|
4803 |
|
4804 function loaded() { |
|
4805 var view = that.getView(); |
|
4806 if (view) { |
|
4807 paper = view._scope; |
|
4808 that.setImage(image); |
|
4809 that.emit('load'); |
|
4810 view.update(); |
|
4811 } |
|
4812 } |
|
4813 |
|
4814 image = document.getElementById(src) || new Image(); |
|
4815 |
|
4816 if (image.naturalWidth && image.naturalHeight) { |
|
4817 setTimeout(loaded, 0); |
|
4818 } else { |
|
4819 DomEvent.add(image, { |
|
4820 load: loaded |
|
4821 }); |
|
4822 if (!image.src) |
|
4823 image.src = src; |
|
4824 } |
|
4825 this.setImage(image); |
|
4826 }, |
|
4827 |
|
4828 getElement: function() { |
|
4829 return this._canvas || this._loaded && this._image; |
|
4830 } |
|
4831 }, { |
|
4832 beans: false, |
|
4833 |
|
4834 getSubCanvas: function() { |
|
4835 var rect = Rectangle.read(arguments), |
|
4836 ctx = CanvasProvider.getContext(rect.getSize()); |
|
4837 ctx.drawImage(this.getCanvas(), rect.x, rect.y, |
|
4838 rect.width, rect.height, 0, 0, rect.width, rect.height); |
|
4839 return ctx.canvas; |
|
4840 }, |
|
4841 |
|
4842 getSubRaster: function() { |
|
4843 var rect = Rectangle.read(arguments), |
|
4844 raster = new Raster(Item.NO_INSERT); |
|
4845 raster.setImage(this.getSubCanvas(rect)); |
|
4846 raster.translate(rect.getCenter().subtract(this.getSize().divide(2))); |
|
4847 raster._matrix.preConcatenate(this._matrix); |
|
4848 raster.insertAbove(this); |
|
4849 return raster; |
|
4850 }, |
|
4851 |
|
4852 toDataURL: function() { |
|
4853 var src = this._image && this._image.src; |
|
4854 if (/^data:/.test(src)) |
|
4855 return src; |
|
4856 var canvas = this.getCanvas(); |
|
4857 return canvas ? canvas.toDataURL() : null; |
|
4858 }, |
|
4859 |
|
4860 drawImage: function(image ) { |
|
4861 var point = Point.read(arguments, 1); |
|
4862 this.getContext(true).drawImage(image, point.x, point.y); |
|
4863 }, |
|
4864 |
|
4865 getAverageColor: function(object) { |
|
4866 var bounds, path; |
|
4867 if (!object) { |
|
4868 bounds = this.getBounds(); |
|
4869 } else if (object instanceof PathItem) { |
|
4870 path = object; |
|
4871 bounds = object.getBounds(); |
|
4872 } else if (object.width) { |
|
4873 bounds = new Rectangle(object); |
|
4874 } else if (object.x) { |
|
4875 bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1); |
|
4876 } |
|
4877 var sampleSize = 32, |
|
4878 width = Math.min(bounds.width, sampleSize), |
|
4879 height = Math.min(bounds.height, sampleSize); |
|
4880 var ctx = Raster._sampleContext; |
|
4881 if (!ctx) { |
|
4882 ctx = Raster._sampleContext = CanvasProvider.getContext( |
|
4883 new Size(sampleSize)); |
|
4884 } else { |
|
4885 ctx.clearRect(0, 0, sampleSize + 1, sampleSize + 1); |
|
4886 } |
|
4887 ctx.save(); |
|
4888 var matrix = new Matrix() |
|
4889 .scale(width / bounds.width, height / bounds.height) |
|
4890 .translate(-bounds.x, -bounds.y); |
|
4891 matrix.applyToContext(ctx); |
|
4892 if (path) |
|
4893 path.draw(ctx, new Base({ clip: true, matrices: [matrix] })); |
|
4894 this._matrix.applyToContext(ctx); |
|
4895 var element = this.getElement(), |
|
4896 size = this._size; |
|
4897 if (element) |
|
4898 ctx.drawImage(element, -size.width / 2, -size.height / 2); |
|
4899 ctx.restore(); |
|
4900 var pixels = ctx.getImageData(0.5, 0.5, Math.ceil(width), |
|
4901 Math.ceil(height)).data, |
|
4902 channels = [0, 0, 0], |
|
4903 total = 0; |
|
4904 for (var i = 0, l = pixels.length; i < l; i += 4) { |
|
4905 var alpha = pixels[i + 3]; |
|
4906 total += alpha; |
|
4907 alpha /= 255; |
|
4908 channels[0] += pixels[i] * alpha; |
|
4909 channels[1] += pixels[i + 1] * alpha; |
|
4910 channels[2] += pixels[i + 2] * alpha; |
|
4911 } |
|
4912 for (var i = 0; i < 3; i++) |
|
4913 channels[i] /= total; |
|
4914 return total ? Color.read(channels) : null; |
|
4915 }, |
|
4916 |
|
4917 getPixel: function() { |
|
4918 var point = Point.read(arguments); |
|
4919 var data = this.getContext().getImageData(point.x, point.y, 1, 1).data; |
|
4920 return new Color('rgb', [data[0] / 255, data[1] / 255, data[2] / 255], |
|
4921 data[3] / 255); |
|
4922 }, |
|
4923 |
|
4924 setPixel: function() { |
|
4925 var point = Point.read(arguments), |
|
4926 color = Color.read(arguments), |
|
4927 components = color._convert('rgb'), |
|
4928 alpha = color._alpha, |
|
4929 ctx = this.getContext(true), |
|
4930 imageData = ctx.createImageData(1, 1), |
|
4931 data = imageData.data; |
|
4932 data[0] = components[0] * 255; |
|
4933 data[1] = components[1] * 255; |
|
4934 data[2] = components[2] * 255; |
|
4935 data[3] = alpha != null ? alpha * 255 : 255; |
|
4936 ctx.putImageData(imageData, point.x, point.y); |
|
4937 }, |
|
4938 |
|
4939 createImageData: function() { |
|
4940 var size = Size.read(arguments); |
|
4941 return this.getContext().createImageData(size.width, size.height); |
|
4942 }, |
|
4943 |
|
4944 getImageData: function() { |
|
4945 var rect = Rectangle.read(arguments); |
|
4946 if (rect.isEmpty()) |
|
4947 rect = new Rectangle(this._size); |
|
4948 return this.getContext().getImageData(rect.x, rect.y, |
|
4949 rect.width, rect.height); |
|
4950 }, |
|
4951 |
|
4952 setImageData: function(data ) { |
|
4953 var point = Point.read(arguments, 1); |
|
4954 this.getContext(true).putImageData(data, point.x, point.y); |
|
4955 }, |
|
4956 |
|
4957 _getBounds: function(getter, matrix) { |
|
4958 var rect = new Rectangle(this._size).setCenter(0, 0); |
|
4959 return matrix ? matrix._transformBounds(rect) : rect; |
|
4960 }, |
|
4961 |
|
4962 _hitTestSelf: function(point) { |
|
4963 if (this._contains(point)) { |
|
4964 var that = this; |
|
4965 return new HitResult('pixel', that, { |
|
4966 offset: point.add(that._size.divide(2)).round(), |
|
4967 color: { |
|
4968 get: function() { |
|
4969 return that.getPixel(this.offset); |
|
4970 } |
|
4971 } |
|
4972 }); |
|
4973 } |
|
4974 }, |
|
4975 |
|
4976 _draw: function(ctx) { |
|
4977 var element = this.getElement(); |
|
4978 if (element) { |
|
4979 ctx.globalAlpha = this._opacity; |
|
4980 ctx.drawImage(element, |
|
4981 -this._size.width / 2, -this._size.height / 2); |
|
4982 } |
|
4983 }, |
|
4984 |
|
4985 _canComposite: function() { |
|
4986 return true; |
|
4987 } |
|
4988 }); |
|
4989 |
|
4990 var PlacedSymbol = Item.extend({ |
|
4991 _class: 'PlacedSymbol', |
|
4992 _applyMatrix: false, |
|
4993 _canApplyMatrix: false, |
|
4994 _boundsGetter: { getBounds: 'getStrokeBounds' }, |
|
4995 _boundsSelected: true, |
|
4996 _serializeFields: { |
|
4997 symbol: null |
|
4998 }, |
|
4999 |
|
5000 initialize: function PlacedSymbol(arg0, arg1) { |
|
5001 if (!this._initialize(arg0, |
|
5002 arg1 !== undefined && Point.read(arguments, 1))) |
|
5003 this.setSymbol(arg0 instanceof Symbol ? arg0 : new Symbol(arg0)); |
|
5004 }, |
|
5005 |
|
5006 _equals: function(item) { |
|
5007 return this._symbol === item._symbol; |
|
5008 }, |
|
5009 |
|
5010 getSymbol: function() { |
|
5011 return this._symbol; |
|
5012 }, |
|
5013 |
|
5014 setSymbol: function(symbol) { |
|
5015 this._symbol = symbol; |
|
5016 this._changed(9); |
|
5017 }, |
|
5018 |
|
5019 clone: function(insert) { |
|
5020 var copy = new PlacedSymbol(Item.NO_INSERT); |
|
5021 copy.setSymbol(this._symbol); |
|
5022 return this._clone(copy, insert); |
|
5023 }, |
|
5024 |
|
5025 isEmpty: function() { |
|
5026 return this._symbol._definition.isEmpty(); |
|
5027 }, |
|
5028 |
|
5029 _getBounds: function(getter, matrix, cacheItem) { |
|
5030 var definition = this.symbol._definition; |
|
5031 return definition._getCachedBounds(getter, |
|
5032 matrix && matrix.chain(definition._matrix), cacheItem); |
|
5033 }, |
|
5034 |
|
5035 _hitTestSelf: function(point, options) { |
|
5036 var res = this._symbol._definition._hitTest(point, options); |
|
5037 if (res) |
|
5038 res.item = this; |
|
5039 return res; |
|
5040 }, |
|
5041 |
|
5042 _draw: function(ctx, param) { |
|
5043 this.symbol._definition.draw(ctx, param); |
|
5044 } |
|
5045 |
|
5046 }); |
|
5047 |
|
5048 var HitResult = Base.extend({ |
|
5049 _class: 'HitResult', |
|
5050 |
|
5051 initialize: function HitResult(type, item, values) { |
|
5052 this.type = type; |
|
5053 this.item = item; |
|
5054 if (values) { |
|
5055 values.enumerable = true; |
|
5056 this.inject(values); |
|
5057 } |
|
5058 }, |
|
5059 |
|
5060 statics: { |
|
5061 getOptions: function(options) { |
|
5062 return new Base({ |
|
5063 type: null, |
|
5064 tolerance: paper.settings.hitTolerance, |
|
5065 fill: !options, |
|
5066 stroke: !options, |
|
5067 segments: !options, |
|
5068 handles: false, |
|
5069 ends: false, |
|
5070 center: false, |
|
5071 bounds: false, |
|
5072 guides: false, |
|
5073 selected: false |
|
5074 }, options); |
|
5075 } |
|
5076 } |
|
5077 }); |
|
5078 |
|
5079 var Segment = Base.extend({ |
|
5080 _class: 'Segment', |
|
5081 beans: true, |
|
5082 |
|
5083 initialize: function Segment(arg0, arg1, arg2, arg3, arg4, arg5) { |
|
5084 var count = arguments.length, |
|
5085 point, handleIn, handleOut; |
|
5086 if (count === 0) { |
|
5087 } else if (count === 1) { |
|
5088 if (arg0.point) { |
|
5089 point = arg0.point; |
|
5090 handleIn = arg0.handleIn; |
|
5091 handleOut = arg0.handleOut; |
|
5092 } else { |
|
5093 point = arg0; |
|
5094 } |
|
5095 } else if (count === 2 && typeof arg0 === 'number') { |
|
5096 point = arguments; |
|
5097 } else if (count <= 3) { |
|
5098 point = arg0; |
|
5099 handleIn = arg1; |
|
5100 handleOut = arg2; |
|
5101 } else { |
|
5102 point = arg0 !== undefined ? [ arg0, arg1 ] : null; |
|
5103 handleIn = arg2 !== undefined ? [ arg2, arg3 ] : null; |
|
5104 handleOut = arg4 !== undefined ? [ arg4, arg5 ] : null; |
|
5105 } |
|
5106 new SegmentPoint(point, this, '_point'); |
|
5107 new SegmentPoint(handleIn, this, '_handleIn'); |
|
5108 new SegmentPoint(handleOut, this, '_handleOut'); |
|
5109 }, |
|
5110 |
|
5111 _serialize: function(options) { |
|
5112 return Base.serialize(this.isLinear() ? this._point |
|
5113 : [this._point, this._handleIn, this._handleOut], |
|
5114 options, true); |
|
5115 }, |
|
5116 |
|
5117 _changed: function(point) { |
|
5118 var path = this._path; |
|
5119 if (!path) |
|
5120 return; |
|
5121 var curves = path._curves, |
|
5122 index = this._index, |
|
5123 curve; |
|
5124 if (curves) { |
|
5125 if ((!point || point === this._point || point === this._handleIn) |
|
5126 && (curve = index > 0 ? curves[index - 1] : path._closed |
|
5127 ? curves[curves.length - 1] : null)) |
|
5128 curve._changed(); |
|
5129 if ((!point || point === this._point || point === this._handleOut) |
|
5130 && (curve = curves[index])) |
|
5131 curve._changed(); |
|
5132 } |
|
5133 path._changed(25); |
|
5134 }, |
|
5135 |
|
5136 getPoint: function() { |
|
5137 return this._point; |
|
5138 }, |
|
5139 |
|
5140 setPoint: function() { |
|
5141 var point = Point.read(arguments); |
|
5142 this._point.set(point.x, point.y); |
|
5143 }, |
|
5144 |
|
5145 getHandleIn: function() { |
|
5146 return this._handleIn; |
|
5147 }, |
|
5148 |
|
5149 setHandleIn: function() { |
|
5150 var point = Point.read(arguments); |
|
5151 this._handleIn.set(point.x, point.y); |
|
5152 }, |
|
5153 |
|
5154 getHandleOut: function() { |
|
5155 return this._handleOut; |
|
5156 }, |
|
5157 |
|
5158 setHandleOut: function() { |
|
5159 var point = Point.read(arguments); |
|
5160 this._handleOut.set(point.x, point.y); |
|
5161 }, |
|
5162 |
|
5163 isLinear: function() { |
|
5164 return this._handleIn.isZero() && this._handleOut.isZero(); |
|
5165 }, |
|
5166 |
|
5167 setLinear: function(linear) { |
|
5168 if (linear) { |
|
5169 this._handleIn.set(0, 0); |
|
5170 this._handleOut.set(0, 0); |
|
5171 } else { |
|
5172 } |
|
5173 }, |
|
5174 |
|
5175 isColinear: function(segment) { |
|
5176 var next1 = this.getNext(), |
|
5177 next2 = segment.getNext(); |
|
5178 return this._handleOut.isZero() && next1._handleIn.isZero() |
|
5179 && segment._handleOut.isZero() && next2._handleIn.isZero() |
|
5180 && next1._point.subtract(this._point).isColinear( |
|
5181 next2._point.subtract(segment._point)); |
|
5182 }, |
|
5183 |
|
5184 isOrthogonal: function() { |
|
5185 var prev = this.getPrevious(), |
|
5186 next = this.getNext(); |
|
5187 return prev._handleOut.isZero() && this._handleIn.isZero() |
|
5188 && this._handleOut.isZero() && next._handleIn.isZero() |
|
5189 && this._point.subtract(prev._point).isOrthogonal( |
|
5190 next._point.subtract(this._point)); |
|
5191 }, |
|
5192 |
|
5193 isArc: function() { |
|
5194 var next = this.getNext(), |
|
5195 handle1 = this._handleOut, |
|
5196 handle2 = next._handleIn, |
|
5197 kappa = 0.5522847498307936; |
|
5198 if (handle1.isOrthogonal(handle2)) { |
|
5199 var from = this._point, |
|
5200 to = next._point, |
|
5201 corner = new Line(from, handle1, true).intersect( |
|
5202 new Line(to, handle2, true), true); |
|
5203 return corner && Numerical.isZero(handle1.getLength() / |
|
5204 corner.subtract(from).getLength() - kappa) |
|
5205 && Numerical.isZero(handle2.getLength() / |
|
5206 corner.subtract(to).getLength() - kappa); |
|
5207 } |
|
5208 return false; |
|
5209 }, |
|
5210 |
|
5211 _selectionState: 0, |
|
5212 |
|
5213 isSelected: function(_point) { |
|
5214 var state = this._selectionState; |
|
5215 return !_point ? !!(state & 7) |
|
5216 : _point === this._point ? !!(state & 4) |
|
5217 : _point === this._handleIn ? !!(state & 1) |
|
5218 : _point === this._handleOut ? !!(state & 2) |
|
5219 : false; |
|
5220 }, |
|
5221 |
|
5222 setSelected: function(selected, _point) { |
|
5223 var path = this._path, |
|
5224 selected = !!selected, |
|
5225 state = this._selectionState, |
|
5226 oldState = state, |
|
5227 flag = !_point ? 7 |
|
5228 : _point === this._point ? 4 |
|
5229 : _point === this._handleIn ? 1 |
|
5230 : _point === this._handleOut ? 2 |
|
5231 : 0; |
|
5232 if (selected) { |
|
5233 state |= flag; |
|
5234 } else { |
|
5235 state &= ~flag; |
|
5236 } |
|
5237 this._selectionState = state; |
|
5238 if (path && state !== oldState) { |
|
5239 path._updateSelection(this, oldState, state); |
|
5240 path._changed(129); |
|
5241 } |
|
5242 }, |
|
5243 |
|
5244 getIndex: function() { |
|
5245 return this._index !== undefined ? this._index : null; |
|
5246 }, |
|
5247 |
|
5248 getPath: function() { |
|
5249 return this._path || null; |
|
5250 }, |
|
5251 |
|
5252 getCurve: function() { |
|
5253 var path = this._path, |
|
5254 index = this._index; |
|
5255 if (path) { |
|
5256 if (index > 0 && !path._closed |
|
5257 && index === path._segments.length - 1) |
|
5258 index--; |
|
5259 return path.getCurves()[index] || null; |
|
5260 } |
|
5261 return null; |
|
5262 }, |
|
5263 |
|
5264 getLocation: function() { |
|
5265 var curve = this.getCurve(); |
|
5266 return curve |
|
5267 ? new CurveLocation(curve, this === curve._segment1 ? 0 : 1) |
|
5268 : null; |
|
5269 }, |
|
5270 |
|
5271 getNext: function() { |
|
5272 var segments = this._path && this._path._segments; |
|
5273 return segments && (segments[this._index + 1] |
|
5274 || this._path._closed && segments[0]) || null; |
|
5275 }, |
|
5276 |
|
5277 getPrevious: function() { |
|
5278 var segments = this._path && this._path._segments; |
|
5279 return segments && (segments[this._index - 1] |
|
5280 || this._path._closed && segments[segments.length - 1]) || null; |
|
5281 }, |
|
5282 |
|
5283 reverse: function() { |
|
5284 return new Segment(this._point, this._handleOut, this._handleIn); |
|
5285 }, |
|
5286 |
|
5287 remove: function() { |
|
5288 return this._path ? !!this._path.removeSegment(this._index) : false; |
|
5289 }, |
|
5290 |
|
5291 clone: function() { |
|
5292 return new Segment(this._point, this._handleIn, this._handleOut); |
|
5293 }, |
|
5294 |
|
5295 equals: function(segment) { |
|
5296 return segment === this || segment && this._class === segment._class |
|
5297 && this._point.equals(segment._point) |
|
5298 && this._handleIn.equals(segment._handleIn) |
|
5299 && this._handleOut.equals(segment._handleOut) |
|
5300 || false; |
|
5301 }, |
|
5302 |
|
5303 toString: function() { |
|
5304 var parts = [ 'point: ' + this._point ]; |
|
5305 if (!this._handleIn.isZero()) |
|
5306 parts.push('handleIn: ' + this._handleIn); |
|
5307 if (!this._handleOut.isZero()) |
|
5308 parts.push('handleOut: ' + this._handleOut); |
|
5309 return '{ ' + parts.join(', ') + ' }'; |
|
5310 }, |
|
5311 |
|
5312 transform: function(matrix) { |
|
5313 this._transformCoordinates(matrix, new Array(6), true); |
|
5314 this._changed(); |
|
5315 }, |
|
5316 |
|
5317 _transformCoordinates: function(matrix, coords, change) { |
|
5318 var point = this._point, |
|
5319 handleIn = !change || !this._handleIn.isZero() |
|
5320 ? this._handleIn : null, |
|
5321 handleOut = !change || !this._handleOut.isZero() |
|
5322 ? this._handleOut : null, |
|
5323 x = point._x, |
|
5324 y = point._y, |
|
5325 i = 2; |
|
5326 coords[0] = x; |
|
5327 coords[1] = y; |
|
5328 if (handleIn) { |
|
5329 coords[i++] = handleIn._x + x; |
|
5330 coords[i++] = handleIn._y + y; |
|
5331 } |
|
5332 if (handleOut) { |
|
5333 coords[i++] = handleOut._x + x; |
|
5334 coords[i++] = handleOut._y + y; |
|
5335 } |
|
5336 if (matrix) { |
|
5337 matrix._transformCoordinates(coords, coords, i / 2); |
|
5338 x = coords[0]; |
|
5339 y = coords[1]; |
|
5340 if (change) { |
|
5341 point._x = x; |
|
5342 point._y = y; |
|
5343 i = 2; |
|
5344 if (handleIn) { |
|
5345 handleIn._x = coords[i++] - x; |
|
5346 handleIn._y = coords[i++] - y; |
|
5347 } |
|
5348 if (handleOut) { |
|
5349 handleOut._x = coords[i++] - x; |
|
5350 handleOut._y = coords[i++] - y; |
|
5351 } |
|
5352 } else { |
|
5353 if (!handleIn) { |
|
5354 coords[i++] = x; |
|
5355 coords[i++] = y; |
|
5356 } |
|
5357 if (!handleOut) { |
|
5358 coords[i++] = x; |
|
5359 coords[i++] = y; |
|
5360 } |
|
5361 } |
|
5362 } |
|
5363 return coords; |
|
5364 } |
|
5365 }); |
|
5366 |
|
5367 var SegmentPoint = Point.extend({ |
|
5368 initialize: function SegmentPoint(point, owner, key) { |
|
5369 var x, y, selected; |
|
5370 if (!point) { |
|
5371 x = y = 0; |
|
5372 } else if ((x = point[0]) !== undefined) { |
|
5373 y = point[1]; |
|
5374 } else { |
|
5375 var pt = point; |
|
5376 if ((x = pt.x) === undefined) { |
|
5377 pt = Point.read(arguments); |
|
5378 x = pt.x; |
|
5379 } |
|
5380 y = pt.y; |
|
5381 selected = pt.selected; |
|
5382 } |
|
5383 this._x = x; |
|
5384 this._y = y; |
|
5385 this._owner = owner; |
|
5386 owner[key] = this; |
|
5387 if (selected) |
|
5388 this.setSelected(true); |
|
5389 }, |
|
5390 |
|
5391 set: function(x, y) { |
|
5392 this._x = x; |
|
5393 this._y = y; |
|
5394 this._owner._changed(this); |
|
5395 return this; |
|
5396 }, |
|
5397 |
|
5398 _serialize: function(options) { |
|
5399 var f = options.formatter, |
|
5400 x = f.number(this._x), |
|
5401 y = f.number(this._y); |
|
5402 return this.isSelected() |
|
5403 ? { x: x, y: y, selected: true } |
|
5404 : [x, y]; |
|
5405 }, |
|
5406 |
|
5407 getX: function() { |
|
5408 return this._x; |
|
5409 }, |
|
5410 |
|
5411 setX: function(x) { |
|
5412 this._x = x; |
|
5413 this._owner._changed(this); |
|
5414 }, |
|
5415 |
|
5416 getY: function() { |
|
5417 return this._y; |
|
5418 }, |
|
5419 |
|
5420 setY: function(y) { |
|
5421 this._y = y; |
|
5422 this._owner._changed(this); |
|
5423 }, |
|
5424 |
|
5425 isZero: function() { |
|
5426 return Numerical.isZero(this._x) && Numerical.isZero(this._y); |
|
5427 }, |
|
5428 |
|
5429 setSelected: function(selected) { |
|
5430 this._owner.setSelected(selected, this); |
|
5431 }, |
|
5432 |
|
5433 isSelected: function() { |
|
5434 return this._owner.isSelected(this); |
|
5435 } |
|
5436 }); |
|
5437 |
|
5438 var Curve = Base.extend({ |
|
5439 _class: 'Curve', |
|
5440 |
|
5441 initialize: function Curve(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) { |
|
5442 var count = arguments.length; |
|
5443 if (count === 3) { |
|
5444 this._path = arg0; |
|
5445 this._segment1 = arg1; |
|
5446 this._segment2 = arg2; |
|
5447 } else if (count === 0) { |
|
5448 this._segment1 = new Segment(); |
|
5449 this._segment2 = new Segment(); |
|
5450 } else if (count === 1) { |
|
5451 this._segment1 = new Segment(arg0.segment1); |
|
5452 this._segment2 = new Segment(arg0.segment2); |
|
5453 } else if (count === 2) { |
|
5454 this._segment1 = new Segment(arg0); |
|
5455 this._segment2 = new Segment(arg1); |
|
5456 } else { |
|
5457 var point1, handle1, handle2, point2; |
|
5458 if (count === 4) { |
|
5459 point1 = arg0; |
|
5460 handle1 = arg1; |
|
5461 handle2 = arg2; |
|
5462 point2 = arg3; |
|
5463 } else if (count === 8) { |
|
5464 point1 = [arg0, arg1]; |
|
5465 point2 = [arg6, arg7]; |
|
5466 handle1 = [arg2 - arg0, arg3 - arg1]; |
|
5467 handle2 = [arg4 - arg6, arg5 - arg7]; |
|
5468 } |
|
5469 this._segment1 = new Segment(point1, null, handle1); |
|
5470 this._segment2 = new Segment(point2, handle2, null); |
|
5471 } |
|
5472 }, |
|
5473 |
|
5474 _changed: function() { |
|
5475 this._length = this._bounds = undefined; |
|
5476 }, |
|
5477 |
|
5478 getPoint1: function() { |
|
5479 return this._segment1._point; |
|
5480 }, |
|
5481 |
|
5482 setPoint1: function() { |
|
5483 var point = Point.read(arguments); |
|
5484 this._segment1._point.set(point.x, point.y); |
|
5485 }, |
|
5486 |
|
5487 getPoint2: function() { |
|
5488 return this._segment2._point; |
|
5489 }, |
|
5490 |
|
5491 setPoint2: function() { |
|
5492 var point = Point.read(arguments); |
|
5493 this._segment2._point.set(point.x, point.y); |
|
5494 }, |
|
5495 |
|
5496 getHandle1: function() { |
|
5497 return this._segment1._handleOut; |
|
5498 }, |
|
5499 |
|
5500 setHandle1: function() { |
|
5501 var point = Point.read(arguments); |
|
5502 this._segment1._handleOut.set(point.x, point.y); |
|
5503 }, |
|
5504 |
|
5505 getHandle2: function() { |
|
5506 return this._segment2._handleIn; |
|
5507 }, |
|
5508 |
|
5509 setHandle2: function() { |
|
5510 var point = Point.read(arguments); |
|
5511 this._segment2._handleIn.set(point.x, point.y); |
|
5512 }, |
|
5513 |
|
5514 getSegment1: function() { |
|
5515 return this._segment1; |
|
5516 }, |
|
5517 |
|
5518 getSegment2: function() { |
|
5519 return this._segment2; |
|
5520 }, |
|
5521 |
|
5522 getPath: function() { |
|
5523 return this._path; |
|
5524 }, |
|
5525 |
|
5526 getIndex: function() { |
|
5527 return this._segment1._index; |
|
5528 }, |
|
5529 |
|
5530 getNext: function() { |
|
5531 var curves = this._path && this._path._curves; |
|
5532 return curves && (curves[this._segment1._index + 1] |
|
5533 || this._path._closed && curves[0]) || null; |
|
5534 }, |
|
5535 |
|
5536 getPrevious: function() { |
|
5537 var curves = this._path && this._path._curves; |
|
5538 return curves && (curves[this._segment1._index - 1] |
|
5539 || this._path._closed && curves[curves.length - 1]) || null; |
|
5540 }, |
|
5541 |
|
5542 isSelected: function() { |
|
5543 return this.getPoint1().isSelected() |
|
5544 && this.getHandle2().isSelected() |
|
5545 && this.getHandle2().isSelected() |
|
5546 && this.getPoint2().isSelected(); |
|
5547 }, |
|
5548 |
|
5549 setSelected: function(selected) { |
|
5550 this.getPoint1().setSelected(selected); |
|
5551 this.getHandle1().setSelected(selected); |
|
5552 this.getHandle2().setSelected(selected); |
|
5553 this.getPoint2().setSelected(selected); |
|
5554 }, |
|
5555 |
|
5556 getValues: function(matrix) { |
|
5557 return Curve.getValues(this._segment1, this._segment2, matrix); |
|
5558 }, |
|
5559 |
|
5560 getPoints: function() { |
|
5561 var coords = this.getValues(), |
|
5562 points = []; |
|
5563 for (var i = 0; i < 8; i += 2) |
|
5564 points.push(new Point(coords[i], coords[i + 1])); |
|
5565 return points; |
|
5566 }, |
|
5567 |
|
5568 getLength: function() { |
|
5569 if (this._length == null) { |
|
5570 this._length = this.isLinear() |
|
5571 ? this._segment2._point.getDistance(this._segment1._point) |
|
5572 : Curve.getLength(this.getValues(), 0, 1); |
|
5573 } |
|
5574 return this._length; |
|
5575 }, |
|
5576 |
|
5577 getArea: function() { |
|
5578 return Curve.getArea(this.getValues()); |
|
5579 }, |
|
5580 |
|
5581 getPart: function(from, to) { |
|
5582 return new Curve(Curve.getPart(this.getValues(), from, to)); |
|
5583 }, |
|
5584 |
|
5585 getPartLength: function(from, to) { |
|
5586 return Curve.getLength(this.getValues(), from, to); |
|
5587 }, |
|
5588 |
|
5589 isLinear: function() { |
|
5590 return this._segment1._handleOut.isZero() |
|
5591 && this._segment2._handleIn.isZero(); |
|
5592 }, |
|
5593 |
|
5594 getIntersections: function(curve) { |
|
5595 return Curve.filterIntersections(Curve.getIntersections( |
|
5596 this.getValues(), curve.getValues(), this, curve, [])); |
|
5597 }, |
|
5598 |
|
5599 _getParameter: function(offset, isParameter) { |
|
5600 return isParameter |
|
5601 ? offset |
|
5602 : offset && offset.curve === this |
|
5603 ? offset.parameter |
|
5604 : offset === undefined && isParameter === undefined |
|
5605 ? 0.5 |
|
5606 : this.getParameterAt(offset, 0); |
|
5607 }, |
|
5608 |
|
5609 divide: function(offset, isParameter, ignoreLinear) { |
|
5610 var parameter = this._getParameter(offset, isParameter), |
|
5611 tolerance = 0.000001, |
|
5612 res = null; |
|
5613 if (parameter > tolerance && parameter < 1 - tolerance) { |
|
5614 var parts = Curve.subdivide(this.getValues(), parameter), |
|
5615 isLinear = ignoreLinear ? false : this.isLinear(), |
|
5616 left = parts[0], |
|
5617 right = parts[1]; |
|
5618 |
|
5619 if (!isLinear) { |
|
5620 this._segment1._handleOut.set(left[2] - left[0], |
|
5621 left[3] - left[1]); |
|
5622 this._segment2._handleIn.set(right[4] - right[6], |
|
5623 right[5] - right[7]); |
|
5624 } |
|
5625 |
|
5626 var x = left[6], y = left[7], |
|
5627 segment = new Segment(new Point(x, y), |
|
5628 !isLinear && new Point(left[4] - x, left[5] - y), |
|
5629 !isLinear && new Point(right[2] - x, right[3] - y)); |
|
5630 |
|
5631 if (this._path) { |
|
5632 if (this._segment1._index > 0 && this._segment2._index === 0) { |
|
5633 this._path.add(segment); |
|
5634 } else { |
|
5635 this._path.insert(this._segment2._index, segment); |
|
5636 } |
|
5637 res = this; |
|
5638 } else { |
|
5639 var end = this._segment2; |
|
5640 this._segment2 = segment; |
|
5641 res = new Curve(segment, end); |
|
5642 } |
|
5643 } |
|
5644 return res; |
|
5645 }, |
|
5646 |
|
5647 split: function(offset, isParameter) { |
|
5648 return this._path |
|
5649 ? this._path.split(this._segment1._index, |
|
5650 this._getParameter(offset, isParameter)) |
|
5651 : null; |
|
5652 }, |
|
5653 |
|
5654 reverse: function() { |
|
5655 return new Curve(this._segment2.reverse(), this._segment1.reverse()); |
|
5656 }, |
|
5657 |
|
5658 remove: function() { |
|
5659 var removed = false; |
|
5660 if (this._path) { |
|
5661 var segment2 = this._segment2, |
|
5662 handleOut = segment2._handleOut; |
|
5663 removed = segment2.remove(); |
|
5664 if (removed) |
|
5665 this._segment1._handleOut.set(handleOut.x, handleOut.y); |
|
5666 } |
|
5667 return removed; |
|
5668 }, |
|
5669 |
|
5670 clone: function() { |
|
5671 return new Curve(this._segment1, this._segment2); |
|
5672 }, |
|
5673 |
|
5674 toString: function() { |
|
5675 var parts = [ 'point1: ' + this._segment1._point ]; |
|
5676 if (!this._segment1._handleOut.isZero()) |
|
5677 parts.push('handle1: ' + this._segment1._handleOut); |
|
5678 if (!this._segment2._handleIn.isZero()) |
|
5679 parts.push('handle2: ' + this._segment2._handleIn); |
|
5680 parts.push('point2: ' + this._segment2._point); |
|
5681 return '{ ' + parts.join(', ') + ' }'; |
|
5682 }, |
|
5683 |
|
5684 statics: { |
|
5685 getValues: function(segment1, segment2, matrix) { |
|
5686 var p1 = segment1._point, |
|
5687 h1 = segment1._handleOut, |
|
5688 h2 = segment2._handleIn, |
|
5689 p2 = segment2._point, |
|
5690 values = [ |
|
5691 p1._x, p1._y, |
|
5692 p1._x + h1._x, p1._y + h1._y, |
|
5693 p2._x + h2._x, p2._y + h2._y, |
|
5694 p2._x, p2._y |
|
5695 ]; |
|
5696 if (matrix) |
|
5697 matrix._transformCoordinates(values, values, 4); |
|
5698 return values; |
|
5699 }, |
|
5700 |
|
5701 evaluate: function(v, t, type) { |
|
5702 var p1x = v[0], p1y = v[1], |
|
5703 c1x = v[2], c1y = v[3], |
|
5704 c2x = v[4], c2y = v[5], |
|
5705 p2x = v[6], p2y = v[7], |
|
5706 tolerance = 0.000001, |
|
5707 x, y; |
|
5708 |
|
5709 if (type === 0 && (t < tolerance || t > 1 - tolerance)) { |
|
5710 var isZero = t < tolerance; |
|
5711 x = isZero ? p1x : p2x; |
|
5712 y = isZero ? p1y : p2y; |
|
5713 } else { |
|
5714 var cx = 3 * (c1x - p1x), |
|
5715 bx = 3 * (c2x - c1x) - cx, |
|
5716 ax = p2x - p1x - cx - bx, |
|
5717 |
|
5718 cy = 3 * (c1y - p1y), |
|
5719 by = 3 * (c2y - c1y) - cy, |
|
5720 ay = p2y - p1y - cy - by; |
|
5721 if (type === 0) { |
|
5722 x = ((ax * t + bx) * t + cx) * t + p1x; |
|
5723 y = ((ay * t + by) * t + cy) * t + p1y; |
|
5724 } else { |
|
5725 if (t < tolerance && c1x === p1x && c1y === p1y |
|
5726 || t > 1 - tolerance && c2x === p2x && c2y === p2y) { |
|
5727 x = c2x - c1x; |
|
5728 y = c2y - c1y; |
|
5729 } else if (t < tolerance) { |
|
5730 x = cx; |
|
5731 y = cy; |
|
5732 } else if (t > 1 - tolerance) { |
|
5733 x = 3 * (p2x - c2x); |
|
5734 y = 3 * (p2y - c2y); |
|
5735 } else { |
|
5736 x = (3 * ax * t + 2 * bx) * t + cx; |
|
5737 y = (3 * ay * t + 2 * by) * t + cy; |
|
5738 } |
|
5739 if (type === 3) { |
|
5740 var x2 = 6 * ax * t + 2 * bx, |
|
5741 y2 = 6 * ay * t + 2 * by; |
|
5742 return (x * y2 - y * x2) / Math.pow(x * x + y * y, 3 / 2); |
|
5743 } |
|
5744 } |
|
5745 } |
|
5746 return type === 2 ? new Point(y, -x) : new Point(x, y); |
|
5747 }, |
|
5748 |
|
5749 subdivide: function(v, t) { |
|
5750 var p1x = v[0], p1y = v[1], |
|
5751 c1x = v[2], c1y = v[3], |
|
5752 c2x = v[4], c2y = v[5], |
|
5753 p2x = v[6], p2y = v[7]; |
|
5754 if (t === undefined) |
|
5755 t = 0.5; |
|
5756 var u = 1 - t, |
|
5757 p3x = u * p1x + t * c1x, p3y = u * p1y + t * c1y, |
|
5758 p4x = u * c1x + t * c2x, p4y = u * c1y + t * c2y, |
|
5759 p5x = u * c2x + t * p2x, p5y = u * c2y + t * p2y, |
|
5760 p6x = u * p3x + t * p4x, p6y = u * p3y + t * p4y, |
|
5761 p7x = u * p4x + t * p5x, p7y = u * p4y + t * p5y, |
|
5762 p8x = u * p6x + t * p7x, p8y = u * p6y + t * p7y; |
|
5763 return [ |
|
5764 [p1x, p1y, p3x, p3y, p6x, p6y, p8x, p8y], |
|
5765 [p8x, p8y, p7x, p7y, p5x, p5y, p2x, p2y] |
|
5766 ]; |
|
5767 }, |
|
5768 |
|
5769 solveCubic: function (v, coord, val, roots, min, max) { |
|
5770 var p1 = v[coord], |
|
5771 c1 = v[coord + 2], |
|
5772 c2 = v[coord + 4], |
|
5773 p2 = v[coord + 6], |
|
5774 c = 3 * (c1 - p1), |
|
5775 b = 3 * (c2 - c1) - c, |
|
5776 a = p2 - p1 - c - b, |
|
5777 isZero = Numerical.isZero; |
|
5778 if (isZero(a) && isZero(b)) |
|
5779 a = b = 0; |
|
5780 return Numerical.solveCubic(a, b, c, p1 - val, roots, min, max); |
|
5781 }, |
|
5782 |
|
5783 getParameterOf: function(v, x, y) { |
|
5784 var tolerance = 0.000001; |
|
5785 if (Math.abs(v[0] - x) < tolerance && Math.abs(v[1] - y) < tolerance) |
|
5786 return 0; |
|
5787 if (Math.abs(v[6] - x) < tolerance && Math.abs(v[7] - y) < tolerance) |
|
5788 return 1; |
|
5789 var txs = [], |
|
5790 tys = [], |
|
5791 sx = Curve.solveCubic(v, 0, x, txs, 0, 1), |
|
5792 sy = Curve.solveCubic(v, 1, y, tys, 0, 1), |
|
5793 tx, ty; |
|
5794 for (var cx = 0; sx == -1 || cx < sx;) { |
|
5795 if (sx == -1 || (tx = txs[cx++]) >= 0 && tx <= 1) { |
|
5796 for (var cy = 0; sy == -1 || cy < sy;) { |
|
5797 if (sy == -1 || (ty = tys[cy++]) >= 0 && ty <= 1) { |
|
5798 if (sx == -1) tx = ty; |
|
5799 else if (sy == -1) ty = tx; |
|
5800 if (Math.abs(tx - ty) < tolerance) |
|
5801 return (tx + ty) * 0.5; |
|
5802 } |
|
5803 } |
|
5804 if (sx == -1) |
|
5805 break; |
|
5806 } |
|
5807 } |
|
5808 return null; |
|
5809 }, |
|
5810 |
|
5811 getPart: function(v, from, to) { |
|
5812 if (from > 0) |
|
5813 v = Curve.subdivide(v, from)[1]; |
|
5814 if (to < 1) |
|
5815 v = Curve.subdivide(v, (to - from) / (1 - from))[0]; |
|
5816 return v; |
|
5817 }, |
|
5818 |
|
5819 isLinear: function(v) { |
|
5820 var isZero = Numerical.isZero; |
|
5821 return isZero(v[0] - v[2]) && isZero(v[1] - v[3]) |
|
5822 && isZero(v[4] - v[6]) && isZero(v[5] - v[7]); |
|
5823 }, |
|
5824 |
|
5825 isFlatEnough: function(v, tolerance) { |
|
5826 var p1x = v[0], p1y = v[1], |
|
5827 c1x = v[2], c1y = v[3], |
|
5828 c2x = v[4], c2y = v[5], |
|
5829 p2x = v[6], p2y = v[7], |
|
5830 ux = 3 * c1x - 2 * p1x - p2x, |
|
5831 uy = 3 * c1y - 2 * p1y - p2y, |
|
5832 vx = 3 * c2x - 2 * p2x - p1x, |
|
5833 vy = 3 * c2y - 2 * p2y - p1y; |
|
5834 return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy) |
|
5835 < 10 * tolerance * tolerance; |
|
5836 }, |
|
5837 |
|
5838 getArea: function(v) { |
|
5839 var p1x = v[0], p1y = v[1], |
|
5840 c1x = v[2], c1y = v[3], |
|
5841 c2x = v[4], c2y = v[5], |
|
5842 p2x = v[6], p2y = v[7]; |
|
5843 return ( 3.0 * c1y * p1x - 1.5 * c1y * c2x |
|
5844 - 1.5 * c1y * p2x - 3.0 * p1y * c1x |
|
5845 - 1.5 * p1y * c2x - 0.5 * p1y * p2x |
|
5846 + 1.5 * c2y * p1x + 1.5 * c2y * c1x |
|
5847 - 3.0 * c2y * p2x + 0.5 * p2y * p1x |
|
5848 + 1.5 * p2y * c1x + 3.0 * p2y * c2x) / 10; |
|
5849 }, |
|
5850 |
|
5851 getEdgeSum: function(v) { |
|
5852 return (v[0] - v[2]) * (v[3] + v[1]) |
|
5853 + (v[2] - v[4]) * (v[5] + v[3]) |
|
5854 + (v[4] - v[6]) * (v[7] + v[5]); |
|
5855 }, |
|
5856 |
|
5857 getBounds: function(v) { |
|
5858 var min = v.slice(0, 2), |
|
5859 max = min.slice(), |
|
5860 roots = [0, 0]; |
|
5861 for (var i = 0; i < 2; i++) |
|
5862 Curve._addBounds(v[i], v[i + 2], v[i + 4], v[i + 6], |
|
5863 i, 0, min, max, roots); |
|
5864 return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]); |
|
5865 }, |
|
5866 |
|
5867 _addBounds: function(v0, v1, v2, v3, coord, padding, min, max, roots) { |
|
5868 function add(value, padding) { |
|
5869 var left = value - padding, |
|
5870 right = value + padding; |
|
5871 if (left < min[coord]) |
|
5872 min[coord] = left; |
|
5873 if (right > max[coord]) |
|
5874 max[coord] = right; |
|
5875 } |
|
5876 var a = 3 * (v1 - v2) - v0 + v3, |
|
5877 b = 2 * (v0 + v2) - 4 * v1, |
|
5878 c = v1 - v0, |
|
5879 count = Numerical.solveQuadratic(a, b, c, roots), |
|
5880 tMin = 0.000001, |
|
5881 tMax = 1 - tMin; |
|
5882 add(v3, 0); |
|
5883 for (var i = 0; i < count; i++) { |
|
5884 var t = roots[i], |
|
5885 u = 1 - t; |
|
5886 if (tMin < t && t < tMax) |
|
5887 add(u * u * u * v0 |
|
5888 + 3 * u * u * t * v1 |
|
5889 + 3 * u * t * t * v2 |
|
5890 + t * t * t * v3, |
|
5891 padding); |
|
5892 } |
|
5893 } |
|
5894 }}, Base.each(['getBounds', 'getStrokeBounds', 'getHandleBounds', 'getRoughBounds'], |
|
5895 function(name) { |
|
5896 this[name] = function() { |
|
5897 if (!this._bounds) |
|
5898 this._bounds = {}; |
|
5899 var bounds = this._bounds[name]; |
|
5900 if (!bounds) { |
|
5901 bounds = this._bounds[name] = Path[name]([this._segment1, |
|
5902 this._segment2], false, this._path.getStyle()); |
|
5903 } |
|
5904 return bounds.clone(); |
|
5905 }; |
|
5906 }, |
|
5907 { |
|
5908 |
|
5909 }), Base.each(['getPoint', 'getTangent', 'getNormal', 'getCurvature'], |
|
5910 function(name, index) { |
|
5911 this[name + 'At'] = function(offset, isParameter) { |
|
5912 var values = this.getValues(); |
|
5913 return Curve.evaluate(values, isParameter |
|
5914 ? offset : Curve.getParameterAt(values, offset, 0), index); |
|
5915 }; |
|
5916 this[name] = function(parameter) { |
|
5917 return Curve.evaluate(this.getValues(), parameter, index); |
|
5918 }; |
|
5919 }, |
|
5920 { |
|
5921 beans: false, |
|
5922 |
|
5923 getParameterAt: function(offset, start) { |
|
5924 return Curve.getParameterAt(this.getValues(), offset, start); |
|
5925 }, |
|
5926 |
|
5927 getParameterOf: function() { |
|
5928 var point = Point.read(arguments); |
|
5929 return Curve.getParameterOf(this.getValues(), point.x, point.y); |
|
5930 }, |
|
5931 |
|
5932 getLocationAt: function(offset, isParameter) { |
|
5933 if (!isParameter) |
|
5934 offset = this.getParameterAt(offset); |
|
5935 return offset >= 0 && offset <= 1 && new CurveLocation(this, offset); |
|
5936 }, |
|
5937 |
|
5938 getLocationOf: function() { |
|
5939 return this.getLocationAt(this.getParameterOf(Point.read(arguments)), |
|
5940 true); |
|
5941 }, |
|
5942 |
|
5943 getOffsetOf: function() { |
|
5944 var loc = this.getLocationOf.apply(this, arguments); |
|
5945 return loc ? loc.getOffset() : null; |
|
5946 }, |
|
5947 |
|
5948 getNearestLocation: function() { |
|
5949 var point = Point.read(arguments), |
|
5950 values = this.getValues(), |
|
5951 count = 100, |
|
5952 minDist = Infinity, |
|
5953 minT = 0; |
|
5954 |
|
5955 function refine(t) { |
|
5956 if (t >= 0 && t <= 1) { |
|
5957 var dist = point.getDistance( |
|
5958 Curve.evaluate(values, t, 0), true); |
|
5959 if (dist < minDist) { |
|
5960 minDist = dist; |
|
5961 minT = t; |
|
5962 return true; |
|
5963 } |
|
5964 } |
|
5965 } |
|
5966 |
|
5967 for (var i = 0; i <= count; i++) |
|
5968 refine(i / count); |
|
5969 |
|
5970 var step = 1 / (count * 2); |
|
5971 while (step > 0.000001) { |
|
5972 if (!refine(minT - step) && !refine(minT + step)) |
|
5973 step /= 2; |
|
5974 } |
|
5975 var pt = Curve.evaluate(values, minT, 0); |
|
5976 return new CurveLocation(this, minT, pt, null, null, null, |
|
5977 point.getDistance(pt)); |
|
5978 }, |
|
5979 |
|
5980 getNearestPoint: function() { |
|
5981 return this.getNearestLocation.apply(this, arguments).getPoint(); |
|
5982 } |
|
5983 |
|
5984 }), |
|
5985 new function() { |
|
5986 |
|
5987 function getLengthIntegrand(v) { |
|
5988 var p1x = v[0], p1y = v[1], |
|
5989 c1x = v[2], c1y = v[3], |
|
5990 c2x = v[4], c2y = v[5], |
|
5991 p2x = v[6], p2y = v[7], |
|
5992 |
|
5993 ax = 9 * (c1x - c2x) + 3 * (p2x - p1x), |
|
5994 bx = 6 * (p1x + c2x) - 12 * c1x, |
|
5995 cx = 3 * (c1x - p1x), |
|
5996 |
|
5997 ay = 9 * (c1y - c2y) + 3 * (p2y - p1y), |
|
5998 by = 6 * (p1y + c2y) - 12 * c1y, |
|
5999 cy = 3 * (c1y - p1y); |
|
6000 |
|
6001 return function(t) { |
|
6002 var dx = (ax * t + bx) * t + cx, |
|
6003 dy = (ay * t + by) * t + cy; |
|
6004 return Math.sqrt(dx * dx + dy * dy); |
|
6005 }; |
|
6006 } |
|
6007 |
|
6008 function getIterations(a, b) { |
|
6009 return Math.max(2, Math.min(16, Math.ceil(Math.abs(b - a) * 32))); |
|
6010 } |
|
6011 |
|
6012 return { |
|
6013 statics: true, |
|
6014 |
|
6015 getLength: function(v, a, b) { |
|
6016 if (a === undefined) |
|
6017 a = 0; |
|
6018 if (b === undefined) |
|
6019 b = 1; |
|
6020 var isZero = Numerical.isZero; |
|
6021 if (a === 0 && b === 1 |
|
6022 && isZero(v[0] - v[2]) && isZero(v[1] - v[3]) |
|
6023 && isZero(v[6] - v[4]) && isZero(v[7] - v[5])) { |
|
6024 var dx = v[6] - v[0], |
|
6025 dy = v[7] - v[1]; |
|
6026 return Math.sqrt(dx * dx + dy * dy); |
|
6027 } |
|
6028 var ds = getLengthIntegrand(v); |
|
6029 return Numerical.integrate(ds, a, b, getIterations(a, b)); |
|
6030 }, |
|
6031 |
|
6032 getParameterAt: function(v, offset, start) { |
|
6033 if (start === undefined) |
|
6034 start = offset < 0 ? 1 : 0 |
|
6035 if (offset === 0) |
|
6036 return start; |
|
6037 var forward = offset > 0, |
|
6038 a = forward ? start : 0, |
|
6039 b = forward ? 1 : start, |
|
6040 ds = getLengthIntegrand(v), |
|
6041 rangeLength = Numerical.integrate(ds, a, b, |
|
6042 getIterations(a, b)); |
|
6043 if (Math.abs(offset) >= rangeLength) |
|
6044 return forward ? b : a; |
|
6045 var guess = offset / rangeLength, |
|
6046 length = 0; |
|
6047 function f(t) { |
|
6048 length += Numerical.integrate(ds, start, t, |
|
6049 getIterations(start, t)); |
|
6050 start = t; |
|
6051 return length - offset; |
|
6052 } |
|
6053 return Numerical.findRoot(f, ds, start + guess, a, b, 16, |
|
6054 0.000001); |
|
6055 } |
|
6056 }; |
|
6057 }, new function() { |
|
6058 function addLocation(locations, include, curve1, t1, point1, curve2, t2, |
|
6059 point2) { |
|
6060 var loc = new CurveLocation(curve1, t1, point1, curve2, t2, point2); |
|
6061 if (!include || include(loc)) |
|
6062 locations.push(loc); |
|
6063 } |
|
6064 |
|
6065 function addCurveIntersections(v1, v2, curve1, curve2, locations, include, |
|
6066 tMin, tMax, uMin, uMax, oldTDiff, reverse, recursion) { |
|
6067 if (recursion > 32) |
|
6068 return; |
|
6069 var q0x = v2[0], q0y = v2[1], q3x = v2[6], q3y = v2[7], |
|
6070 tolerance = 0.000001, |
|
6071 getSignedDistance = Line.getSignedDistance, |
|
6072 d1 = getSignedDistance(q0x, q0y, q3x, q3y, v2[2], v2[3]) || 0, |
|
6073 d2 = getSignedDistance(q0x, q0y, q3x, q3y, v2[4], v2[5]) || 0, |
|
6074 factor = d1 * d2 > 0 ? 3 / 4 : 4 / 9, |
|
6075 dMin = factor * Math.min(0, d1, d2), |
|
6076 dMax = factor * Math.max(0, d1, d2), |
|
6077 dp0 = getSignedDistance(q0x, q0y, q3x, q3y, v1[0], v1[1]), |
|
6078 dp1 = getSignedDistance(q0x, q0y, q3x, q3y, v1[2], v1[3]), |
|
6079 dp2 = getSignedDistance(q0x, q0y, q3x, q3y, v1[4], v1[5]), |
|
6080 dp3 = getSignedDistance(q0x, q0y, q3x, q3y, v1[6], v1[7]), |
|
6081 tMinNew, tMaxNew, tDiff; |
|
6082 if (q0x === q3x && uMax - uMin <= tolerance && recursion > 3) { |
|
6083 tMaxNew = tMinNew = (tMax + tMin) / 2; |
|
6084 tDiff = 0; |
|
6085 } else { |
|
6086 var hull = getConvexHull(dp0, dp1, dp2, dp3), |
|
6087 top = hull[0], |
|
6088 bottom = hull[1], |
|
6089 tMinClip, tMaxClip; |
|
6090 tMinClip = clipConvexHull(top, bottom, dMin, dMax); |
|
6091 top.reverse(); |
|
6092 bottom.reverse(); |
|
6093 tMaxClip = clipConvexHull(top, bottom, dMin, dMax); |
|
6094 if (tMinClip == null || tMaxClip == null) |
|
6095 return; |
|
6096 v1 = Curve.getPart(v1, tMinClip, tMaxClip); |
|
6097 tDiff = tMaxClip - tMinClip; |
|
6098 tMinNew = tMax * tMinClip + tMin * (1 - tMinClip); |
|
6099 tMaxNew = tMax * tMaxClip + tMin * (1 - tMaxClip); |
|
6100 } |
|
6101 if (oldTDiff > 0.5 && tDiff > 0.5) { |
|
6102 if (tMaxNew - tMinNew > uMax - uMin) { |
|
6103 var parts = Curve.subdivide(v1, 0.5), |
|
6104 t = tMinNew + (tMaxNew - tMinNew) / 2; |
|
6105 addCurveIntersections( |
|
6106 v2, parts[0], curve2, curve1, locations, include, |
|
6107 uMin, uMax, tMinNew, t, tDiff, !reverse, ++recursion); |
|
6108 addCurveIntersections( |
|
6109 v2, parts[1], curve2, curve1, locations, include, |
|
6110 uMin, uMax, t, tMaxNew, tDiff, !reverse, recursion); |
|
6111 } else { |
|
6112 var parts = Curve.subdivide(v2, 0.5), |
|
6113 t = uMin + (uMax - uMin) / 2; |
|
6114 addCurveIntersections( |
|
6115 parts[0], v1, curve2, curve1, locations, include, |
|
6116 uMin, t, tMinNew, tMaxNew, tDiff, !reverse, ++recursion); |
|
6117 addCurveIntersections( |
|
6118 parts[1], v1, curve2, curve1, locations, include, |
|
6119 t, uMax, tMinNew, tMaxNew, tDiff, !reverse, recursion); |
|
6120 } |
|
6121 } else if (Math.max(uMax - uMin, tMaxNew - tMinNew) < tolerance) { |
|
6122 var t1 = tMinNew + (tMaxNew - tMinNew) / 2, |
|
6123 t2 = uMin + (uMax - uMin) / 2; |
|
6124 if (reverse) { |
|
6125 addLocation(locations, include, |
|
6126 curve2, t2, Curve.evaluate(v2, t2, 0), |
|
6127 curve1, t1, Curve.evaluate(v1, t1, 0)); |
|
6128 } else { |
|
6129 addLocation(locations, include, |
|
6130 curve1, t1, Curve.evaluate(v1, t1, 0), |
|
6131 curve2, t2, Curve.evaluate(v2, t2, 0)); |
|
6132 } |
|
6133 } else if (tDiff > 0) { |
|
6134 addCurveIntersections(v2, v1, curve2, curve1, locations, include, |
|
6135 uMin, uMax, tMinNew, tMaxNew, tDiff, !reverse, ++recursion); |
|
6136 } |
|
6137 } |
|
6138 |
|
6139 function getConvexHull(dq0, dq1, dq2, dq3) { |
|
6140 var p0 = [ 0, dq0 ], |
|
6141 p1 = [ 1 / 3, dq1 ], |
|
6142 p2 = [ 2 / 3, dq2 ], |
|
6143 p3 = [ 1, dq3 ], |
|
6144 getSignedDistance = Line.getSignedDistance, |
|
6145 dist1 = getSignedDistance(0, dq0, 1, dq3, 1 / 3, dq1), |
|
6146 dist2 = getSignedDistance(0, dq0, 1, dq3, 2 / 3, dq2), |
|
6147 flip = false, |
|
6148 hull; |
|
6149 if (dist1 * dist2 < 0) { |
|
6150 hull = [[p0, p1, p3], [p0, p2, p3]]; |
|
6151 flip = dist1 < 0; |
|
6152 } else { |
|
6153 var pmax, cross = 0, |
|
6154 distZero = dist1 === 0 || dist2 === 0; |
|
6155 if (Math.abs(dist1) > Math.abs(dist2)) { |
|
6156 pmax = p1; |
|
6157 cross = (dq3 - dq2 - (dq3 - dq0) / 3) |
|
6158 * (2 * (dq3 - dq2) - dq3 + dq1) / 3; |
|
6159 } else { |
|
6160 pmax = p2; |
|
6161 cross = (dq1 - dq0 + (dq0 - dq3) / 3) |
|
6162 * (-2 * (dq0 - dq1) + dq0 - dq2) / 3; |
|
6163 } |
|
6164 hull = cross < 0 || distZero |
|
6165 ? [[p0, pmax, p3], [p0, p3]] |
|
6166 : [[p0, p1, p2, p3], [p0, p3]]; |
|
6167 flip = dist1 ? dist1 < 0 : dist2 < 0; |
|
6168 } |
|
6169 return flip ? hull.reverse() : hull; |
|
6170 } |
|
6171 |
|
6172 function clipConvexHull(hullTop, hullBottom, dMin, dMax) { |
|
6173 if (hullTop[0][1] < dMin) { |
|
6174 return clipConvexHullPart(hullTop, true, dMin); |
|
6175 } else if (hullBottom[0][1] > dMax) { |
|
6176 return clipConvexHullPart(hullBottom, false, dMax); |
|
6177 } else { |
|
6178 return hullTop[0][0]; |
|
6179 } |
|
6180 } |
|
6181 |
|
6182 function clipConvexHullPart(part, top, threshold) { |
|
6183 var px = part[0][0], |
|
6184 py = part[0][1]; |
|
6185 for (var i = 1, l = part.length; i < l; i++) { |
|
6186 var qx = part[i][0], |
|
6187 qy = part[i][1]; |
|
6188 if (top ? qy >= threshold : qy <= threshold) |
|
6189 return px + (threshold - py) * (qx - px) / (qy - py); |
|
6190 px = qx; |
|
6191 py = qy; |
|
6192 } |
|
6193 return null; |
|
6194 } |
|
6195 |
|
6196 function addCurveLineIntersections(v1, v2, curve1, curve2, locations, |
|
6197 include) { |
|
6198 var flip = Curve.isLinear(v1), |
|
6199 vc = flip ? v2 : v1, |
|
6200 vl = flip ? v1 : v2, |
|
6201 lx1 = vl[0], ly1 = vl[1], |
|
6202 lx2 = vl[6], ly2 = vl[7], |
|
6203 ldx = lx2 - lx1, |
|
6204 ldy = ly2 - ly1, |
|
6205 angle = Math.atan2(-ldy, ldx), |
|
6206 sin = Math.sin(angle), |
|
6207 cos = Math.cos(angle), |
|
6208 rlx2 = ldx * cos - ldy * sin, |
|
6209 rvl = [0, 0, 0, 0, rlx2, 0, rlx2, 0], |
|
6210 rvc = []; |
|
6211 for(var i = 0; i < 8; i += 2) { |
|
6212 var x = vc[i] - lx1, |
|
6213 y = vc[i + 1] - ly1; |
|
6214 rvc.push( |
|
6215 x * cos - y * sin, |
|
6216 y * cos + x * sin); |
|
6217 } |
|
6218 var roots = [], |
|
6219 count = Curve.solveCubic(rvc, 1, 0, roots, 0, 1); |
|
6220 for (var i = 0; i < count; i++) { |
|
6221 var tc = roots[i], |
|
6222 x = Curve.evaluate(rvc, tc, 0).x; |
|
6223 if (x >= 0 && x <= rlx2) { |
|
6224 var tl = Curve.getParameterOf(rvl, x, 0), |
|
6225 t1 = flip ? tl : tc, |
|
6226 t2 = flip ? tc : tl; |
|
6227 addLocation(locations, include, |
|
6228 curve1, t1, Curve.evaluate(v1, t1, 0), |
|
6229 curve2, t2, Curve.evaluate(v2, t2, 0)); |
|
6230 } |
|
6231 } |
|
6232 } |
|
6233 |
|
6234 function addLineIntersection(v1, v2, curve1, curve2, locations, include) { |
|
6235 var point = Line.intersect( |
|
6236 v1[0], v1[1], v1[6], v1[7], |
|
6237 v2[0], v2[1], v2[6], v2[7]); |
|
6238 if (point) { |
|
6239 var x = point.x, |
|
6240 y = point.y; |
|
6241 addLocation(locations, include, |
|
6242 curve1, Curve.getParameterOf(v1, x, y), point, |
|
6243 curve2, Curve.getParameterOf(v2, x, y), point); |
|
6244 } |
|
6245 } |
|
6246 |
|
6247 return { statics: { |
|
6248 getIntersections: function(v1, v2, c1, c2, locations, include) { |
|
6249 var linear1 = Curve.isLinear(v1), |
|
6250 linear2 = Curve.isLinear(v2), |
|
6251 c1p1 = c1.getPoint1(), |
|
6252 c1p2 = c1.getPoint2(), |
|
6253 c2p1 = c2.getPoint1(), |
|
6254 c2p2 = c2.getPoint2(), |
|
6255 tolerance = 0.000001; |
|
6256 if (c1p1.isClose(c2p1, tolerance)) |
|
6257 addLocation(locations, include, c1, 0, c1p1, c2, 0, c1p1); |
|
6258 if (c1p1.isClose(c2p2, tolerance)) |
|
6259 addLocation(locations, include, c1, 0, c1p1, c2, 1, c1p1); |
|
6260 (linear1 && linear2 |
|
6261 ? addLineIntersection |
|
6262 : linear1 || linear2 |
|
6263 ? addCurveLineIntersections |
|
6264 : addCurveIntersections)( |
|
6265 v1, v2, c1, c2, locations, include, |
|
6266 0, 1, 0, 1, 0, false, 0); |
|
6267 if (c1p2.isClose(c2p1, tolerance)) |
|
6268 addLocation(locations, include, c1, 1, c1p2, c2, 0, c1p2); |
|
6269 if (c1p2.isClose(c2p2, tolerance)) |
|
6270 addLocation(locations, include, c1, 1, c1p2, c2, 1, c1p2); |
|
6271 return locations; |
|
6272 }, |
|
6273 |
|
6274 filterIntersections: function(locations, _expand) { |
|
6275 var last = locations.length - 1, |
|
6276 tMax = 1 - 0.000001; |
|
6277 for (var i = last; i >= 0; i--) { |
|
6278 var loc = locations[i], |
|
6279 next = loc._curve.getNext(), |
|
6280 next2 = loc._curve2.getNext(); |
|
6281 if (next && loc._parameter >= tMax) { |
|
6282 loc._parameter = 0; |
|
6283 loc._curve = next; |
|
6284 } |
|
6285 if (next2 && loc._parameter2 >= tMax) { |
|
6286 loc._parameter2 = 0; |
|
6287 loc._curve2 = next2; |
|
6288 } |
|
6289 } |
|
6290 |
|
6291 function compare(loc1, loc2) { |
|
6292 var path1 = loc1.getPath(), |
|
6293 path2 = loc2.getPath(); |
|
6294 return path1 === path2 |
|
6295 ? (loc1.getIndex() + loc1.getParameter()) |
|
6296 - (loc2.getIndex() + loc2.getParameter()) |
|
6297 : path1._id - path2._id; |
|
6298 } |
|
6299 |
|
6300 if (last > 0) { |
|
6301 locations.sort(compare); |
|
6302 for (var i = last; i > 0; i--) { |
|
6303 if (locations[i].equals(locations[i - 1])) { |
|
6304 locations.splice(i, 1); |
|
6305 last--; |
|
6306 } |
|
6307 } |
|
6308 } |
|
6309 if (_expand) { |
|
6310 for (var i = last; i >= 0; i--) |
|
6311 locations.push(locations[i].getIntersection()); |
|
6312 locations.sort(compare); |
|
6313 } |
|
6314 return locations; |
|
6315 } |
|
6316 }}; |
|
6317 }); |
|
6318 |
|
6319 var CurveLocation = Base.extend({ |
|
6320 _class: 'CurveLocation', |
|
6321 beans: true, |
|
6322 |
|
6323 initialize: function CurveLocation(curve, parameter, point, _curve2, |
|
6324 _parameter2, _point2, _distance) { |
|
6325 this._id = CurveLocation._id = (CurveLocation._id || 0) + 1; |
|
6326 this._curve = curve; |
|
6327 this._segment1 = curve._segment1; |
|
6328 this._segment2 = curve._segment2; |
|
6329 this._parameter = parameter; |
|
6330 this._point = point; |
|
6331 this._curve2 = _curve2; |
|
6332 this._parameter2 = _parameter2; |
|
6333 this._point2 = _point2; |
|
6334 this._distance = _distance; |
|
6335 }, |
|
6336 |
|
6337 getSegment: function(_preferFirst) { |
|
6338 if (!this._segment) { |
|
6339 var curve = this.getCurve(), |
|
6340 parameter = this.getParameter(); |
|
6341 if (parameter === 1) { |
|
6342 this._segment = curve._segment2; |
|
6343 } else if (parameter === 0 || _preferFirst) { |
|
6344 this._segment = curve._segment1; |
|
6345 } else if (parameter == null) { |
|
6346 return null; |
|
6347 } else { |
|
6348 this._segment = curve.getPartLength(0, parameter) |
|
6349 < curve.getPartLength(parameter, 1) |
|
6350 ? curve._segment1 |
|
6351 : curve._segment2; |
|
6352 } |
|
6353 } |
|
6354 return this._segment; |
|
6355 }, |
|
6356 |
|
6357 getCurve: function(_uncached) { |
|
6358 if (!this._curve || _uncached) { |
|
6359 this._curve = this._segment1.getCurve(); |
|
6360 if (this._curve.getParameterOf(this._point) == null) |
|
6361 this._curve = this._segment2.getPrevious().getCurve(); |
|
6362 } |
|
6363 return this._curve; |
|
6364 }, |
|
6365 |
|
6366 getIntersection: function() { |
|
6367 var intersection = this._intersection; |
|
6368 if (!intersection && this._curve2) { |
|
6369 var param = this._parameter2; |
|
6370 this._intersection = intersection = new CurveLocation( |
|
6371 this._curve2, param, this._point2 || this._point, this); |
|
6372 intersection._intersection = this; |
|
6373 } |
|
6374 return intersection; |
|
6375 }, |
|
6376 |
|
6377 getPath: function() { |
|
6378 var curve = this.getCurve(); |
|
6379 return curve && curve._path; |
|
6380 }, |
|
6381 |
|
6382 getIndex: function() { |
|
6383 var curve = this.getCurve(); |
|
6384 return curve && curve.getIndex(); |
|
6385 }, |
|
6386 |
|
6387 getOffset: function() { |
|
6388 var path = this.getPath(); |
|
6389 return path ? path._getOffset(this) : this.getCurveOffset(); |
|
6390 }, |
|
6391 |
|
6392 getCurveOffset: function() { |
|
6393 var curve = this.getCurve(), |
|
6394 parameter = this.getParameter(); |
|
6395 return parameter != null && curve && curve.getPartLength(0, parameter); |
|
6396 }, |
|
6397 |
|
6398 getParameter: function(_uncached) { |
|
6399 if ((this._parameter == null || _uncached) && this._point) { |
|
6400 var curve = this.getCurve(_uncached); |
|
6401 this._parameter = curve && curve.getParameterOf(this._point); |
|
6402 } |
|
6403 return this._parameter; |
|
6404 }, |
|
6405 |
|
6406 getPoint: function(_uncached) { |
|
6407 if ((!this._point || _uncached) && this._parameter != null) { |
|
6408 var curve = this.getCurve(_uncached); |
|
6409 this._point = curve && curve.getPointAt(this._parameter, true); |
|
6410 } |
|
6411 return this._point; |
|
6412 }, |
|
6413 |
|
6414 getDistance: function() { |
|
6415 return this._distance; |
|
6416 }, |
|
6417 |
|
6418 divide: function() { |
|
6419 var curve = this.getCurve(true); |
|
6420 return curve && curve.divide(this.getParameter(true), true); |
|
6421 }, |
|
6422 |
|
6423 split: function() { |
|
6424 var curve = this.getCurve(true); |
|
6425 return curve && curve.split(this.getParameter(true), true); |
|
6426 }, |
|
6427 |
|
6428 equals: function(loc) { |
|
6429 var abs = Math.abs, |
|
6430 tolerance = 0.000001; |
|
6431 return this === loc |
|
6432 || loc |
|
6433 && this._curve === loc._curve |
|
6434 && this._curve2 === loc._curve2 |
|
6435 && abs(this._parameter - loc._parameter) <= tolerance |
|
6436 && abs(this._parameter2 - loc._parameter2) <= tolerance |
|
6437 || false; |
|
6438 }, |
|
6439 |
|
6440 toString: function() { |
|
6441 var parts = [], |
|
6442 point = this.getPoint(), |
|
6443 f = Formatter.instance; |
|
6444 if (point) |
|
6445 parts.push('point: ' + point); |
|
6446 var index = this.getIndex(); |
|
6447 if (index != null) |
|
6448 parts.push('index: ' + index); |
|
6449 var parameter = this.getParameter(); |
|
6450 if (parameter != null) |
|
6451 parts.push('parameter: ' + f.number(parameter)); |
|
6452 if (this._distance != null) |
|
6453 parts.push('distance: ' + f.number(this._distance)); |
|
6454 return '{ ' + parts.join(', ') + ' }'; |
|
6455 } |
|
6456 }, Base.each(['getTangent', 'getNormal', 'getCurvature'], function(name) { |
|
6457 var get = name + 'At'; |
|
6458 this[name] = function() { |
|
6459 var parameter = this.getParameter(), |
|
6460 curve = this.getCurve(); |
|
6461 return parameter != null && curve && curve[get](parameter, true); |
|
6462 }; |
|
6463 }, {})); |
|
6464 |
|
6465 var PathItem = Item.extend({ |
|
6466 _class: 'PathItem', |
|
6467 |
|
6468 initialize: function PathItem() { |
|
6469 }, |
|
6470 |
|
6471 getIntersections: function(path, _matrix, _expand) { |
|
6472 if (this === path) |
|
6473 path = null; |
|
6474 var locations = [], |
|
6475 curves1 = this.getCurves(), |
|
6476 curves2 = path ? path.getCurves() : curves1, |
|
6477 matrix1 = this._matrix.orNullIfIdentity(), |
|
6478 matrix2 = path ? (_matrix || path._matrix).orNullIfIdentity() |
|
6479 : matrix1, |
|
6480 length1 = curves1.length, |
|
6481 length2 = path ? curves2.length : length1, |
|
6482 values2 = [], |
|
6483 tMin = 0.000001, |
|
6484 tMax = 1 - tMin; |
|
6485 if (path && !this.getBounds(matrix1).touches(path.getBounds(matrix2))) |
|
6486 return []; |
|
6487 for (var i = 0; i < length2; i++) |
|
6488 values2[i] = curves2[i].getValues(matrix2); |
|
6489 for (var i = 0; i < length1; i++) { |
|
6490 var curve1 = curves1[i], |
|
6491 values1 = path ? curve1.getValues(matrix1) : values2[i]; |
|
6492 if (!path) { |
|
6493 var seg1 = curve1.getSegment1(), |
|
6494 seg2 = curve1.getSegment2(), |
|
6495 h1 = seg1._handleOut, |
|
6496 h2 = seg2._handleIn; |
|
6497 if (new Line(seg1._point.subtract(h1), h1.multiply(2), true) |
|
6498 .intersect(new Line(seg2._point.subtract(h2), |
|
6499 h2.multiply(2), true), false)) { |
|
6500 var parts = Curve.subdivide(values1); |
|
6501 Curve.getIntersections( |
|
6502 parts[0], parts[1], curve1, curve1, locations, |
|
6503 function(loc) { |
|
6504 if (loc._parameter <= tMax) { |
|
6505 loc._parameter /= 2; |
|
6506 loc._parameter2 = 0.5 + loc._parameter2 / 2; |
|
6507 return true; |
|
6508 } |
|
6509 } |
|
6510 ); |
|
6511 } |
|
6512 } |
|
6513 for (var j = path ? 0 : i + 1; j < length2; j++) { |
|
6514 Curve.getIntersections( |
|
6515 values1, values2[j], curve1, curves2[j], locations, |
|
6516 !path && (j === i + 1 || j === length2 - 1 && i === 0) |
|
6517 && function(loc) { |
|
6518 var t = loc._parameter; |
|
6519 return t >= tMin && t <= tMax; |
|
6520 } |
|
6521 ); |
|
6522 } |
|
6523 } |
|
6524 return Curve.filterIntersections(locations, _expand); |
|
6525 }, |
|
6526 |
|
6527 _asPathItem: function() { |
|
6528 return this; |
|
6529 }, |
|
6530 |
|
6531 setPathData: function(data) { |
|
6532 |
|
6533 var parts = data.match(/[mlhvcsqtaz][^mlhvcsqtaz]*/ig), |
|
6534 coords, |
|
6535 relative = false, |
|
6536 previous, |
|
6537 control, |
|
6538 current = new Point(), |
|
6539 start = new Point(); |
|
6540 |
|
6541 function getCoord(index, coord) { |
|
6542 var val = +coords[index]; |
|
6543 if (relative) |
|
6544 val += current[coord]; |
|
6545 return val; |
|
6546 } |
|
6547 |
|
6548 function getPoint(index) { |
|
6549 return new Point( |
|
6550 getCoord(index, 'x'), |
|
6551 getCoord(index + 1, 'y') |
|
6552 ); |
|
6553 } |
|
6554 |
|
6555 this.clear(); |
|
6556 |
|
6557 for (var i = 0, l = parts && parts.length; i < l; i++) { |
|
6558 var part = parts[i], |
|
6559 command = part[0], |
|
6560 lower = command.toLowerCase(); |
|
6561 coords = part.match(/[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g); |
|
6562 var length = coords && coords.length; |
|
6563 relative = command === lower; |
|
6564 if (previous === 'z' && !/[mz]/.test(lower)) |
|
6565 this.moveTo(current = start); |
|
6566 switch (lower) { |
|
6567 case 'm': |
|
6568 case 'l': |
|
6569 var move = lower === 'm'; |
|
6570 if (move && previous && previous !== 'z') |
|
6571 this.closePath(true); |
|
6572 for (var j = 0; j < length; j += 2) |
|
6573 this[j === 0 && move ? 'moveTo' : 'lineTo']( |
|
6574 current = getPoint(j)); |
|
6575 control = current; |
|
6576 if (move) |
|
6577 start = current; |
|
6578 break; |
|
6579 case 'h': |
|
6580 case 'v': |
|
6581 var coord = lower === 'h' ? 'x' : 'y'; |
|
6582 for (var j = 0; j < length; j++) { |
|
6583 current[coord] = getCoord(j, coord); |
|
6584 this.lineTo(current); |
|
6585 } |
|
6586 control = current; |
|
6587 break; |
|
6588 case 'c': |
|
6589 for (var j = 0; j < length; j += 6) { |
|
6590 this.cubicCurveTo( |
|
6591 getPoint(j), |
|
6592 control = getPoint(j + 2), |
|
6593 current = getPoint(j + 4)); |
|
6594 } |
|
6595 break; |
|
6596 case 's': |
|
6597 for (var j = 0; j < length; j += 4) { |
|
6598 this.cubicCurveTo( |
|
6599 /[cs]/.test(previous) |
|
6600 ? current.multiply(2).subtract(control) |
|
6601 : current, |
|
6602 control = getPoint(j), |
|
6603 current = getPoint(j + 2)); |
|
6604 previous = lower; |
|
6605 } |
|
6606 break; |
|
6607 case 'q': |
|
6608 for (var j = 0; j < length; j += 4) { |
|
6609 this.quadraticCurveTo( |
|
6610 control = getPoint(j), |
|
6611 current = getPoint(j + 2)); |
|
6612 } |
|
6613 break; |
|
6614 case 't': |
|
6615 for (var j = 0; j < length; j += 2) { |
|
6616 this.quadraticCurveTo( |
|
6617 control = (/[qt]/.test(previous) |
|
6618 ? current.multiply(2).subtract(control) |
|
6619 : current), |
|
6620 current = getPoint(j)); |
|
6621 previous = lower; |
|
6622 } |
|
6623 break; |
|
6624 case 'a': |
|
6625 for (var j = 0; j < length; j += 7) { |
|
6626 this.arcTo(current = getPoint(j + 5), |
|
6627 new Size(+coords[j], +coords[j + 1]), |
|
6628 +coords[j + 2], +coords[j + 4], +coords[j + 3]); |
|
6629 } |
|
6630 break; |
|
6631 case 'z': |
|
6632 this.closePath(true); |
|
6633 break; |
|
6634 } |
|
6635 previous = lower; |
|
6636 } |
|
6637 }, |
|
6638 |
|
6639 _canComposite: function() { |
|
6640 return !(this.hasFill() && this.hasStroke()); |
|
6641 }, |
|
6642 |
|
6643 _contains: function(point) { |
|
6644 var winding = this._getWinding(point, false, true); |
|
6645 return !!(this.getWindingRule() === 'evenodd' ? winding & 1 : winding); |
|
6646 } |
|
6647 |
|
6648 }); |
|
6649 |
|
6650 var Path = PathItem.extend({ |
|
6651 _class: 'Path', |
|
6652 _serializeFields: { |
|
6653 segments: [], |
|
6654 closed: false |
|
6655 }, |
|
6656 |
|
6657 initialize: function Path(arg) { |
|
6658 this._closed = false; |
|
6659 this._segments = []; |
|
6660 var segments = Array.isArray(arg) |
|
6661 ? typeof arg[0] === 'object' |
|
6662 ? arg |
|
6663 : arguments |
|
6664 : arg && (arg.size === undefined && (arg.x !== undefined |
|
6665 || arg.point !== undefined)) |
|
6666 ? arguments |
|
6667 : null; |
|
6668 if (segments && segments.length > 0) { |
|
6669 this.setSegments(segments); |
|
6670 } else { |
|
6671 this._curves = undefined; |
|
6672 this._selectedSegmentState = 0; |
|
6673 if (!segments && typeof arg === 'string') { |
|
6674 this.setPathData(arg); |
|
6675 arg = null; |
|
6676 } |
|
6677 } |
|
6678 this._initialize(!segments && arg); |
|
6679 }, |
|
6680 |
|
6681 _equals: function(item) { |
|
6682 return this._closed === item._closed |
|
6683 && Base.equals(this._segments, item._segments); |
|
6684 }, |
|
6685 |
|
6686 clone: function(insert) { |
|
6687 var copy = new Path(Item.NO_INSERT); |
|
6688 copy.setSegments(this._segments); |
|
6689 copy._closed = this._closed; |
|
6690 if (this._clockwise !== undefined) |
|
6691 copy._clockwise = this._clockwise; |
|
6692 return this._clone(copy, insert); |
|
6693 }, |
|
6694 |
|
6695 _changed: function _changed(flags) { |
|
6696 _changed.base.call(this, flags); |
|
6697 if (flags & 8) { |
|
6698 var parent = this._parent; |
|
6699 if (parent) |
|
6700 parent._currentPath = undefined; |
|
6701 this._length = this._clockwise = undefined; |
|
6702 if (this._curves && !(flags & 16)) { |
|
6703 for (var i = 0, l = this._curves.length; i < l; i++) |
|
6704 this._curves[i]._changed(); |
|
6705 } |
|
6706 this._monoCurves = undefined; |
|
6707 } else if (flags & 32) { |
|
6708 this._bounds = undefined; |
|
6709 } |
|
6710 }, |
|
6711 |
|
6712 getStyle: function() { |
|
6713 var parent = this._parent; |
|
6714 return (parent instanceof CompoundPath ? parent : this)._style; |
|
6715 }, |
|
6716 |
|
6717 getSegments: function() { |
|
6718 return this._segments; |
|
6719 }, |
|
6720 |
|
6721 setSegments: function(segments) { |
|
6722 var fullySelected = this.isFullySelected(); |
|
6723 this._segments.length = 0; |
|
6724 this._selectedSegmentState = 0; |
|
6725 this._curves = undefined; |
|
6726 if (segments && segments.length > 0) |
|
6727 this._add(Segment.readAll(segments)); |
|
6728 if (fullySelected) |
|
6729 this.setFullySelected(true); |
|
6730 }, |
|
6731 |
|
6732 getFirstSegment: function() { |
|
6733 return this._segments[0]; |
|
6734 }, |
|
6735 |
|
6736 getLastSegment: function() { |
|
6737 return this._segments[this._segments.length - 1]; |
|
6738 }, |
|
6739 |
|
6740 getCurves: function() { |
|
6741 var curves = this._curves, |
|
6742 segments = this._segments; |
|
6743 if (!curves) { |
|
6744 var length = this._countCurves(); |
|
6745 curves = this._curves = new Array(length); |
|
6746 for (var i = 0; i < length; i++) |
|
6747 curves[i] = new Curve(this, segments[i], |
|
6748 segments[i + 1] || segments[0]); |
|
6749 } |
|
6750 return curves; |
|
6751 }, |
|
6752 |
|
6753 getFirstCurve: function() { |
|
6754 return this.getCurves()[0]; |
|
6755 }, |
|
6756 |
|
6757 getLastCurve: function() { |
|
6758 var curves = this.getCurves(); |
|
6759 return curves[curves.length - 1]; |
|
6760 }, |
|
6761 |
|
6762 isClosed: function() { |
|
6763 return this._closed; |
|
6764 }, |
|
6765 |
|
6766 setClosed: function(closed) { |
|
6767 if (this._closed != (closed = !!closed)) { |
|
6768 this._closed = closed; |
|
6769 if (this._curves) { |
|
6770 var length = this._curves.length = this._countCurves(); |
|
6771 if (closed) |
|
6772 this._curves[length - 1] = new Curve(this, |
|
6773 this._segments[length - 1], this._segments[0]); |
|
6774 } |
|
6775 this._changed(25); |
|
6776 } |
|
6777 } |
|
6778 }, { |
|
6779 beans: true, |
|
6780 |
|
6781 getPathData: function(_matrix, _precision) { |
|
6782 var segments = this._segments, |
|
6783 length = segments.length, |
|
6784 f = new Formatter(_precision), |
|
6785 coords = new Array(6), |
|
6786 first = true, |
|
6787 curX, curY, |
|
6788 prevX, prevY, |
|
6789 inX, inY, |
|
6790 outX, outY, |
|
6791 parts = []; |
|
6792 |
|
6793 function addSegment(segment, skipLine) { |
|
6794 segment._transformCoordinates(_matrix, coords, false); |
|
6795 curX = coords[0]; |
|
6796 curY = coords[1]; |
|
6797 if (first) { |
|
6798 parts.push('M' + f.pair(curX, curY)); |
|
6799 first = false; |
|
6800 } else { |
|
6801 inX = coords[2]; |
|
6802 inY = coords[3]; |
|
6803 if (inX === curX && inY === curY |
|
6804 && outX === prevX && outY === prevY) { |
|
6805 if (!skipLine) |
|
6806 parts.push('l' + f.pair(curX - prevX, curY - prevY)); |
|
6807 } else { |
|
6808 parts.push('c' + f.pair(outX - prevX, outY - prevY) |
|
6809 + ' ' + f.pair(inX - prevX, inY - prevY) |
|
6810 + ' ' + f.pair(curX - prevX, curY - prevY)); |
|
6811 } |
|
6812 } |
|
6813 prevX = curX; |
|
6814 prevY = curY; |
|
6815 outX = coords[4]; |
|
6816 outY = coords[5]; |
|
6817 } |
|
6818 |
|
6819 if (length === 0) |
|
6820 return ''; |
|
6821 |
|
6822 for (var i = 0; i < length; i++) |
|
6823 addSegment(segments[i]); |
|
6824 if (this._closed && length > 0) { |
|
6825 addSegment(segments[0], true); |
|
6826 parts.push('z'); |
|
6827 } |
|
6828 return parts.join(''); |
|
6829 } |
|
6830 }, { |
|
6831 |
|
6832 isEmpty: function() { |
|
6833 return this._segments.length === 0; |
|
6834 }, |
|
6835 |
|
6836 isPolygon: function() { |
|
6837 for (var i = 0, l = this._segments.length; i < l; i++) { |
|
6838 if (!this._segments[i].isLinear()) |
|
6839 return false; |
|
6840 } |
|
6841 return true; |
|
6842 }, |
|
6843 |
|
6844 _transformContent: function(matrix) { |
|
6845 var coords = new Array(6); |
|
6846 for (var i = 0, l = this._segments.length; i < l; i++) |
|
6847 this._segments[i]._transformCoordinates(matrix, coords, true); |
|
6848 return true; |
|
6849 }, |
|
6850 |
|
6851 _add: function(segs, index) { |
|
6852 var segments = this._segments, |
|
6853 curves = this._curves, |
|
6854 amount = segs.length, |
|
6855 append = index == null, |
|
6856 index = append ? segments.length : index; |
|
6857 for (var i = 0; i < amount; i++) { |
|
6858 var segment = segs[i]; |
|
6859 if (segment._path) |
|
6860 segment = segs[i] = segment.clone(); |
|
6861 segment._path = this; |
|
6862 segment._index = index + i; |
|
6863 if (segment._selectionState) |
|
6864 this._updateSelection(segment, 0, segment._selectionState); |
|
6865 } |
|
6866 if (append) { |
|
6867 segments.push.apply(segments, segs); |
|
6868 } else { |
|
6869 segments.splice.apply(segments, [index, 0].concat(segs)); |
|
6870 for (var i = index + amount, l = segments.length; i < l; i++) |
|
6871 segments[i]._index = i; |
|
6872 } |
|
6873 if (curves || segs._curves) { |
|
6874 if (!curves) |
|
6875 curves = this._curves = []; |
|
6876 var from = index > 0 ? index - 1 : index, |
|
6877 start = from, |
|
6878 to = Math.min(from + amount, this._countCurves()); |
|
6879 if (segs._curves) { |
|
6880 curves.splice.apply(curves, [from, 0].concat(segs._curves)); |
|
6881 start += segs._curves.length; |
|
6882 } |
|
6883 for (var i = start; i < to; i++) |
|
6884 curves.splice(i, 0, new Curve(this, null, null)); |
|
6885 this._adjustCurves(from, to); |
|
6886 } |
|
6887 this._changed(25); |
|
6888 return segs; |
|
6889 }, |
|
6890 |
|
6891 _adjustCurves: function(from, to) { |
|
6892 var segments = this._segments, |
|
6893 curves = this._curves, |
|
6894 curve; |
|
6895 for (var i = from; i < to; i++) { |
|
6896 curve = curves[i]; |
|
6897 curve._path = this; |
|
6898 curve._segment1 = segments[i]; |
|
6899 curve._segment2 = segments[i + 1] || segments[0]; |
|
6900 curve._changed(); |
|
6901 } |
|
6902 if (curve = curves[this._closed && from === 0 ? segments.length - 1 |
|
6903 : from - 1]) { |
|
6904 curve._segment2 = segments[from] || segments[0]; |
|
6905 curve._changed(); |
|
6906 } |
|
6907 if (curve = curves[to]) { |
|
6908 curve._segment1 = segments[to]; |
|
6909 curve._changed(); |
|
6910 } |
|
6911 }, |
|
6912 |
|
6913 _countCurves: function() { |
|
6914 var length = this._segments.length; |
|
6915 return !this._closed && length > 0 ? length - 1 : length; |
|
6916 }, |
|
6917 |
|
6918 add: function(segment1 ) { |
|
6919 return arguments.length > 1 && typeof segment1 !== 'number' |
|
6920 ? this._add(Segment.readAll(arguments)) |
|
6921 : this._add([ Segment.read(arguments) ])[0]; |
|
6922 }, |
|
6923 |
|
6924 insert: function(index, segment1 ) { |
|
6925 return arguments.length > 2 && typeof segment1 !== 'number' |
|
6926 ? this._add(Segment.readAll(arguments, 1), index) |
|
6927 : this._add([ Segment.read(arguments, 1) ], index)[0]; |
|
6928 }, |
|
6929 |
|
6930 addSegment: function() { |
|
6931 return this._add([ Segment.read(arguments) ])[0]; |
|
6932 }, |
|
6933 |
|
6934 insertSegment: function(index ) { |
|
6935 return this._add([ Segment.read(arguments, 1) ], index)[0]; |
|
6936 }, |
|
6937 |
|
6938 addSegments: function(segments) { |
|
6939 return this._add(Segment.readAll(segments)); |
|
6940 }, |
|
6941 |
|
6942 insertSegments: function(index, segments) { |
|
6943 return this._add(Segment.readAll(segments), index); |
|
6944 }, |
|
6945 |
|
6946 removeSegment: function(index) { |
|
6947 return this.removeSegments(index, index + 1)[0] || null; |
|
6948 }, |
|
6949 |
|
6950 removeSegments: function(from, to, _includeCurves) { |
|
6951 from = from || 0; |
|
6952 to = Base.pick(to, this._segments.length); |
|
6953 var segments = this._segments, |
|
6954 curves = this._curves, |
|
6955 count = segments.length, |
|
6956 removed = segments.splice(from, to - from), |
|
6957 amount = removed.length; |
|
6958 if (!amount) |
|
6959 return removed; |
|
6960 for (var i = 0; i < amount; i++) { |
|
6961 var segment = removed[i]; |
|
6962 if (segment._selectionState) |
|
6963 this._updateSelection(segment, segment._selectionState, 0); |
|
6964 segment._index = segment._path = null; |
|
6965 } |
|
6966 for (var i = from, l = segments.length; i < l; i++) |
|
6967 segments[i]._index = i; |
|
6968 if (curves) { |
|
6969 var index = from > 0 && to === count + (this._closed ? 1 : 0) |
|
6970 ? from - 1 |
|
6971 : from, |
|
6972 curves = curves.splice(index, amount); |
|
6973 if (_includeCurves) |
|
6974 removed._curves = curves.slice(1); |
|
6975 this._adjustCurves(index, index); |
|
6976 } |
|
6977 this._changed(25); |
|
6978 return removed; |
|
6979 }, |
|
6980 |
|
6981 clear: '#removeSegments', |
|
6982 |
|
6983 getLength: function() { |
|
6984 if (this._length == null) { |
|
6985 var curves = this.getCurves(); |
|
6986 this._length = 0; |
|
6987 for (var i = 0, l = curves.length; i < l; i++) |
|
6988 this._length += curves[i].getLength(); |
|
6989 } |
|
6990 return this._length; |
|
6991 }, |
|
6992 |
|
6993 getArea: function() { |
|
6994 var curves = this.getCurves(); |
|
6995 var area = 0; |
|
6996 for (var i = 0, l = curves.length; i < l; i++) |
|
6997 area += curves[i].getArea(); |
|
6998 return area; |
|
6999 }, |
|
7000 |
|
7001 isFullySelected: function() { |
|
7002 var length = this._segments.length; |
|
7003 return this._selected && length > 0 && this._selectedSegmentState |
|
7004 === length * 7; |
|
7005 }, |
|
7006 |
|
7007 setFullySelected: function(selected) { |
|
7008 if (selected) |
|
7009 this._selectSegments(true); |
|
7010 this.setSelected(selected); |
|
7011 }, |
|
7012 |
|
7013 setSelected: function setSelected(selected) { |
|
7014 if (!selected) |
|
7015 this._selectSegments(false); |
|
7016 setSelected.base.call(this, selected); |
|
7017 }, |
|
7018 |
|
7019 _selectSegments: function(selected) { |
|
7020 var length = this._segments.length; |
|
7021 this._selectedSegmentState = selected |
|
7022 ? length * 7 : 0; |
|
7023 for (var i = 0; i < length; i++) |
|
7024 this._segments[i]._selectionState = selected |
|
7025 ? 7 : 0; |
|
7026 }, |
|
7027 |
|
7028 _updateSelection: function(segment, oldState, newState) { |
|
7029 segment._selectionState = newState; |
|
7030 var total = this._selectedSegmentState += newState - oldState; |
|
7031 if (total > 0) |
|
7032 this.setSelected(true); |
|
7033 }, |
|
7034 |
|
7035 flatten: function(maxDistance) { |
|
7036 var iterator = new PathIterator(this, 64, 0.1), |
|
7037 pos = 0, |
|
7038 step = iterator.length / Math.ceil(iterator.length / maxDistance), |
|
7039 end = iterator.length + (this._closed ? -step : step) / 2; |
|
7040 var segments = []; |
|
7041 while (pos <= end) { |
|
7042 segments.push(new Segment(iterator.evaluate(pos, 0))); |
|
7043 pos += step; |
|
7044 } |
|
7045 this.setSegments(segments); |
|
7046 }, |
|
7047 |
|
7048 reduce: function() { |
|
7049 var curves = this.getCurves(); |
|
7050 for (var i = curves.length - 1; i >= 0; i--) { |
|
7051 var curve = curves[i]; |
|
7052 if (curve.isLinear() && curve.getLength() === 0) |
|
7053 curve.remove(); |
|
7054 } |
|
7055 return this; |
|
7056 }, |
|
7057 |
|
7058 simplify: function(tolerance) { |
|
7059 if (this._segments.length > 2) { |
|
7060 var fitter = new PathFitter(this, tolerance || 2.5); |
|
7061 this.setSegments(fitter.fit()); |
|
7062 } |
|
7063 }, |
|
7064 |
|
7065 split: function(index, parameter) { |
|
7066 if (parameter === null) |
|
7067 return null; |
|
7068 if (arguments.length === 1) { |
|
7069 var arg = index; |
|
7070 if (typeof arg === 'number') |
|
7071 arg = this.getLocationAt(arg); |
|
7072 if (!arg) |
|
7073 return null |
|
7074 index = arg.index; |
|
7075 parameter = arg.parameter; |
|
7076 } |
|
7077 var tolerance = 0.000001; |
|
7078 if (parameter >= 1 - tolerance) { |
|
7079 index++; |
|
7080 parameter--; |
|
7081 } |
|
7082 var curves = this.getCurves(); |
|
7083 if (index >= 0 && index < curves.length) { |
|
7084 if (parameter > tolerance) { |
|
7085 curves[index++].divide(parameter, true); |
|
7086 } |
|
7087 var segs = this.removeSegments(index, this._segments.length, true), |
|
7088 path; |
|
7089 if (this._closed) { |
|
7090 this.setClosed(false); |
|
7091 path = this; |
|
7092 } else { |
|
7093 path = this._clone(new Path().insertAbove(this, true)); |
|
7094 } |
|
7095 path._add(segs, 0); |
|
7096 this.addSegment(segs[0]); |
|
7097 return path; |
|
7098 } |
|
7099 return null; |
|
7100 }, |
|
7101 |
|
7102 isClockwise: function() { |
|
7103 if (this._clockwise !== undefined) |
|
7104 return this._clockwise; |
|
7105 return Path.isClockwise(this._segments); |
|
7106 }, |
|
7107 |
|
7108 setClockwise: function(clockwise) { |
|
7109 if (this.isClockwise() != (clockwise = !!clockwise)) |
|
7110 this.reverse(); |
|
7111 this._clockwise = clockwise; |
|
7112 }, |
|
7113 |
|
7114 reverse: function() { |
|
7115 this._segments.reverse(); |
|
7116 for (var i = 0, l = this._segments.length; i < l; i++) { |
|
7117 var segment = this._segments[i]; |
|
7118 var handleIn = segment._handleIn; |
|
7119 segment._handleIn = segment._handleOut; |
|
7120 segment._handleOut = handleIn; |
|
7121 segment._index = i; |
|
7122 } |
|
7123 this._curves = null; |
|
7124 if (this._clockwise !== undefined) |
|
7125 this._clockwise = !this._clockwise; |
|
7126 this._changed(9); |
|
7127 }, |
|
7128 |
|
7129 join: function(path) { |
|
7130 if (path) { |
|
7131 var segments = path._segments, |
|
7132 last1 = this.getLastSegment(), |
|
7133 last2 = path.getLastSegment(); |
|
7134 if (!last2) |
|
7135 return this; |
|
7136 if (last1 && last1._point.equals(last2._point)) |
|
7137 path.reverse(); |
|
7138 var first2 = path.getFirstSegment(); |
|
7139 if (last1 && last1._point.equals(first2._point)) { |
|
7140 last1.setHandleOut(first2._handleOut); |
|
7141 this._add(segments.slice(1)); |
|
7142 } else { |
|
7143 var first1 = this.getFirstSegment(); |
|
7144 if (first1 && first1._point.equals(first2._point)) |
|
7145 path.reverse(); |
|
7146 last2 = path.getLastSegment(); |
|
7147 if (first1 && first1._point.equals(last2._point)) { |
|
7148 first1.setHandleIn(last2._handleIn); |
|
7149 this._add(segments.slice(0, segments.length - 1), 0); |
|
7150 } else { |
|
7151 this._add(segments.slice()); |
|
7152 } |
|
7153 } |
|
7154 if (path.closed) |
|
7155 this._add([segments[0]]); |
|
7156 path.remove(); |
|
7157 } |
|
7158 var first = this.getFirstSegment(), |
|
7159 last = this.getLastSegment(); |
|
7160 if (first !== last && first._point.equals(last._point)) { |
|
7161 first.setHandleIn(last._handleIn); |
|
7162 last.remove(); |
|
7163 this.setClosed(true); |
|
7164 } |
|
7165 return this; |
|
7166 }, |
|
7167 |
|
7168 toShape: function(insert) { |
|
7169 if (!this._closed) |
|
7170 return null; |
|
7171 |
|
7172 var segments = this._segments, |
|
7173 type, |
|
7174 size, |
|
7175 radius, |
|
7176 topCenter; |
|
7177 |
|
7178 function isColinear(i, j) { |
|
7179 return segments[i].isColinear(segments[j]); |
|
7180 } |
|
7181 |
|
7182 function isOrthogonal(i) { |
|
7183 return segments[i].isOrthogonal(); |
|
7184 } |
|
7185 |
|
7186 function isArc(i) { |
|
7187 return segments[i].isArc(); |
|
7188 } |
|
7189 |
|
7190 function getDistance(i, j) { |
|
7191 return segments[i]._point.getDistance(segments[j]._point); |
|
7192 } |
|
7193 |
|
7194 if (this.isPolygon() && segments.length === 4 |
|
7195 && isColinear(0, 2) && isColinear(1, 3) && isOrthogonal(1)) { |
|
7196 type = Shape.Rectangle; |
|
7197 size = new Size(getDistance(0, 3), getDistance(0, 1)); |
|
7198 topCenter = segments[1]._point.add(segments[2]._point).divide(2); |
|
7199 } else if (segments.length === 8 && isArc(0) && isArc(2) && isArc(4) |
|
7200 && isArc(6) && isColinear(1, 5) && isColinear(3, 7)) { |
|
7201 type = Shape.Rectangle; |
|
7202 size = new Size(getDistance(1, 6), getDistance(0, 3)); |
|
7203 radius = size.subtract(new Size(getDistance(0, 7), |
|
7204 getDistance(1, 2))).divide(2); |
|
7205 topCenter = segments[3]._point.add(segments[4]._point).divide(2); |
|
7206 } else if (segments.length === 4 |
|
7207 && isArc(0) && isArc(1) && isArc(2) && isArc(3)) { |
|
7208 if (Numerical.isZero(getDistance(0, 2) - getDistance(1, 3))) { |
|
7209 type = Shape.Circle; |
|
7210 radius = getDistance(0, 2) / 2; |
|
7211 } else { |
|
7212 type = Shape.Ellipse; |
|
7213 radius = new Size(getDistance(2, 0) / 2, getDistance(3, 1) / 2); |
|
7214 } |
|
7215 topCenter = segments[1]._point; |
|
7216 } |
|
7217 |
|
7218 if (type) { |
|
7219 var center = this.getPosition(true), |
|
7220 shape = new type({ |
|
7221 center: center, |
|
7222 size: size, |
|
7223 radius: radius, |
|
7224 insert: false |
|
7225 }); |
|
7226 shape.rotate(topCenter.subtract(center).getAngle() + 90); |
|
7227 shape.setStyle(this._style); |
|
7228 if (insert || insert === undefined) |
|
7229 shape.insertAbove(this); |
|
7230 return shape; |
|
7231 } |
|
7232 return null; |
|
7233 }, |
|
7234 |
|
7235 _hitTestSelf: function(point, options) { |
|
7236 var that = this, |
|
7237 style = this.getStyle(), |
|
7238 segments = this._segments, |
|
7239 numSegments = segments.length, |
|
7240 closed = this._closed, |
|
7241 tolerancePadding = options._tolerancePadding, |
|
7242 strokePadding = tolerancePadding, |
|
7243 join, cap, miterLimit, |
|
7244 area, loc, res, |
|
7245 hitStroke = options.stroke && style.hasStroke(), |
|
7246 hitFill = options.fill && style.hasFill(), |
|
7247 hitCurves = options.curves, |
|
7248 radius = hitStroke |
|
7249 ? style.getStrokeWidth() / 2 |
|
7250 : hitFill && options.tolerance > 0 || hitCurves |
|
7251 ? 0 : null; |
|
7252 if (radius !== null) { |
|
7253 if (radius > 0) { |
|
7254 join = style.getStrokeJoin(); |
|
7255 cap = style.getStrokeCap(); |
|
7256 miterLimit = radius * style.getMiterLimit(); |
|
7257 strokePadding = tolerancePadding.add(new Point(radius, radius)); |
|
7258 } else { |
|
7259 join = cap = 'round'; |
|
7260 } |
|
7261 } |
|
7262 |
|
7263 function isCloseEnough(pt, padding) { |
|
7264 return point.subtract(pt).divide(padding).length <= 1; |
|
7265 } |
|
7266 |
|
7267 function checkSegmentPoint(seg, pt, name) { |
|
7268 if (!options.selected || pt.isSelected()) { |
|
7269 var anchor = seg._point; |
|
7270 if (pt !== anchor) |
|
7271 pt = pt.add(anchor); |
|
7272 if (isCloseEnough(pt, strokePadding)) { |
|
7273 return new HitResult(name, that, { |
|
7274 segment: seg, |
|
7275 point: pt |
|
7276 }); |
|
7277 } |
|
7278 } |
|
7279 } |
|
7280 |
|
7281 function checkSegmentPoints(seg, ends) { |
|
7282 return (ends || options.segments) |
|
7283 && checkSegmentPoint(seg, seg._point, 'segment') |
|
7284 || (!ends && options.handles) && ( |
|
7285 checkSegmentPoint(seg, seg._handleIn, 'handle-in') || |
|
7286 checkSegmentPoint(seg, seg._handleOut, 'handle-out')); |
|
7287 } |
|
7288 |
|
7289 function addToArea(point) { |
|
7290 area.add(point); |
|
7291 } |
|
7292 |
|
7293 function checkSegmentStroke(segment) { |
|
7294 if (join !== 'round' || cap !== 'round') { |
|
7295 area = new Path({ internal: true, closed: true }); |
|
7296 if (closed || segment._index > 0 |
|
7297 && segment._index < numSegments - 1) { |
|
7298 if (join !== 'round' && (segment._handleIn.isZero() |
|
7299 || segment._handleOut.isZero())) |
|
7300 Path._addBevelJoin(segment, join, radius, miterLimit, |
|
7301 addToArea, true); |
|
7302 } else if (cap !== 'round') { |
|
7303 Path._addSquareCap(segment, cap, radius, addToArea, true); |
|
7304 } |
|
7305 if (!area.isEmpty()) { |
|
7306 var loc; |
|
7307 return area.contains(point) |
|
7308 || (loc = area.getNearestLocation(point)) |
|
7309 && isCloseEnough(loc.getPoint(), tolerancePadding); |
|
7310 } |
|
7311 } |
|
7312 return isCloseEnough(segment._point, strokePadding); |
|
7313 } |
|
7314 |
|
7315 if (options.ends && !options.segments && !closed) { |
|
7316 if (res = checkSegmentPoints(segments[0], true) |
|
7317 || checkSegmentPoints(segments[numSegments - 1], true)) |
|
7318 return res; |
|
7319 } else if (options.segments || options.handles) { |
|
7320 for (var i = 0; i < numSegments; i++) |
|
7321 if (res = checkSegmentPoints(segments[i])) |
|
7322 return res; |
|
7323 } |
|
7324 if (radius !== null) { |
|
7325 loc = this.getNearestLocation(point); |
|
7326 if (loc) { |
|
7327 var parameter = loc.getParameter(); |
|
7328 if (parameter === 0 || parameter === 1 && numSegments > 1) { |
|
7329 if (!checkSegmentStroke(loc.getSegment())) |
|
7330 loc = null; |
|
7331 } else if (!isCloseEnough(loc.getPoint(), strokePadding)) { |
|
7332 loc = null; |
|
7333 } |
|
7334 } |
|
7335 if (!loc && join === 'miter' && numSegments > 1) { |
|
7336 for (var i = 0; i < numSegments; i++) { |
|
7337 var segment = segments[i]; |
|
7338 if (point.getDistance(segment._point) <= miterLimit |
|
7339 && checkSegmentStroke(segment)) { |
|
7340 loc = segment.getLocation(); |
|
7341 break; |
|
7342 } |
|
7343 } |
|
7344 } |
|
7345 } |
|
7346 return !loc && hitFill && this._contains(point) |
|
7347 || loc && !hitStroke && !hitCurves |
|
7348 ? new HitResult('fill', this) |
|
7349 : loc |
|
7350 ? new HitResult(hitStroke ? 'stroke' : 'curve', this, { |
|
7351 location: loc, |
|
7352 point: loc.getPoint() |
|
7353 }) |
|
7354 : null; |
|
7355 } |
|
7356 |
|
7357 }, Base.each(['getPoint', 'getTangent', 'getNormal', 'getCurvature'], |
|
7358 function(name) { |
|
7359 this[name + 'At'] = function(offset, isParameter) { |
|
7360 var loc = this.getLocationAt(offset, isParameter); |
|
7361 return loc && loc[name](); |
|
7362 }; |
|
7363 }, |
|
7364 { |
|
7365 beans: false, |
|
7366 |
|
7367 _getOffset: function(location) { |
|
7368 var index = location && location.getIndex(); |
|
7369 if (index != null) { |
|
7370 var curves = this.getCurves(), |
|
7371 offset = 0; |
|
7372 for (var i = 0; i < index; i++) |
|
7373 offset += curves[i].getLength(); |
|
7374 var curve = curves[index], |
|
7375 parameter = location.getParameter(); |
|
7376 if (parameter > 0) |
|
7377 offset += curve.getPartLength(0, parameter); |
|
7378 return offset; |
|
7379 } |
|
7380 return null; |
|
7381 }, |
|
7382 |
|
7383 getLocationOf: function() { |
|
7384 var point = Point.read(arguments), |
|
7385 curves = this.getCurves(); |
|
7386 for (var i = 0, l = curves.length; i < l; i++) { |
|
7387 var loc = curves[i].getLocationOf(point); |
|
7388 if (loc) |
|
7389 return loc; |
|
7390 } |
|
7391 return null; |
|
7392 }, |
|
7393 |
|
7394 getOffsetOf: function() { |
|
7395 var loc = this.getLocationOf.apply(this, arguments); |
|
7396 return loc ? loc.getOffset() : null; |
|
7397 }, |
|
7398 |
|
7399 getLocationAt: function(offset, isParameter) { |
|
7400 var curves = this.getCurves(), |
|
7401 length = 0; |
|
7402 if (isParameter) { |
|
7403 var index = ~~offset; |
|
7404 return curves[index].getLocationAt(offset - index, true); |
|
7405 } |
|
7406 for (var i = 0, l = curves.length; i < l; i++) { |
|
7407 var start = length, |
|
7408 curve = curves[i]; |
|
7409 length += curve.getLength(); |
|
7410 if (length > offset) { |
|
7411 return curve.getLocationAt(offset - start); |
|
7412 } |
|
7413 } |
|
7414 if (offset <= this.getLength()) |
|
7415 return new CurveLocation(curves[curves.length - 1], 1); |
|
7416 return null; |
|
7417 }, |
|
7418 |
|
7419 getNearestLocation: function() { |
|
7420 var point = Point.read(arguments), |
|
7421 curves = this.getCurves(), |
|
7422 minDist = Infinity, |
|
7423 minLoc = null; |
|
7424 for (var i = 0, l = curves.length; i < l; i++) { |
|
7425 var loc = curves[i].getNearestLocation(point); |
|
7426 if (loc._distance < minDist) { |
|
7427 minDist = loc._distance; |
|
7428 minLoc = loc; |
|
7429 } |
|
7430 } |
|
7431 return minLoc; |
|
7432 }, |
|
7433 |
|
7434 getNearestPoint: function() { |
|
7435 return this.getNearestLocation.apply(this, arguments).getPoint(); |
|
7436 } |
|
7437 }), new function() { |
|
7438 |
|
7439 function drawHandles(ctx, segments, matrix, size) { |
|
7440 var half = size / 2; |
|
7441 |
|
7442 function drawHandle(index) { |
|
7443 var hX = coords[index], |
|
7444 hY = coords[index + 1]; |
|
7445 if (pX != hX || pY != hY) { |
|
7446 ctx.beginPath(); |
|
7447 ctx.moveTo(pX, pY); |
|
7448 ctx.lineTo(hX, hY); |
|
7449 ctx.stroke(); |
|
7450 ctx.beginPath(); |
|
7451 ctx.arc(hX, hY, half, 0, Math.PI * 2, true); |
|
7452 ctx.fill(); |
|
7453 } |
|
7454 } |
|
7455 |
|
7456 var coords = new Array(6); |
|
7457 for (var i = 0, l = segments.length; i < l; i++) { |
|
7458 var segment = segments[i]; |
|
7459 segment._transformCoordinates(matrix, coords, false); |
|
7460 var state = segment._selectionState, |
|
7461 pX = coords[0], |
|
7462 pY = coords[1]; |
|
7463 if (state & 1) |
|
7464 drawHandle(2); |
|
7465 if (state & 2) |
|
7466 drawHandle(4); |
|
7467 ctx.fillRect(pX - half, pY - half, size, size); |
|
7468 if (!(state & 4)) { |
|
7469 var fillStyle = ctx.fillStyle; |
|
7470 ctx.fillStyle = '#ffffff'; |
|
7471 ctx.fillRect(pX - half + 1, pY - half + 1, size - 2, size - 2); |
|
7472 ctx.fillStyle = fillStyle; |
|
7473 } |
|
7474 } |
|
7475 } |
|
7476 |
|
7477 function drawSegments(ctx, path, matrix) { |
|
7478 var segments = path._segments, |
|
7479 length = segments.length, |
|
7480 coords = new Array(6), |
|
7481 first = true, |
|
7482 curX, curY, |
|
7483 prevX, prevY, |
|
7484 inX, inY, |
|
7485 outX, outY; |
|
7486 |
|
7487 function drawSegment(segment) { |
|
7488 if (matrix) { |
|
7489 segment._transformCoordinates(matrix, coords, false); |
|
7490 curX = coords[0]; |
|
7491 curY = coords[1]; |
|
7492 } else { |
|
7493 var point = segment._point; |
|
7494 curX = point._x; |
|
7495 curY = point._y; |
|
7496 } |
|
7497 if (first) { |
|
7498 ctx.moveTo(curX, curY); |
|
7499 first = false; |
|
7500 } else { |
|
7501 if (matrix) { |
|
7502 inX = coords[2]; |
|
7503 inY = coords[3]; |
|
7504 } else { |
|
7505 var handle = segment._handleIn; |
|
7506 inX = curX + handle._x; |
|
7507 inY = curY + handle._y; |
|
7508 } |
|
7509 if (inX === curX && inY === curY |
|
7510 && outX === prevX && outY === prevY) { |
|
7511 ctx.lineTo(curX, curY); |
|
7512 } else { |
|
7513 ctx.bezierCurveTo(outX, outY, inX, inY, curX, curY); |
|
7514 } |
|
7515 } |
|
7516 prevX = curX; |
|
7517 prevY = curY; |
|
7518 if (matrix) { |
|
7519 outX = coords[4]; |
|
7520 outY = coords[5]; |
|
7521 } else { |
|
7522 var handle = segment._handleOut; |
|
7523 outX = prevX + handle._x; |
|
7524 outY = prevY + handle._y; |
|
7525 } |
|
7526 } |
|
7527 |
|
7528 for (var i = 0; i < length; i++) |
|
7529 drawSegment(segments[i]); |
|
7530 if (path._closed && length > 0) |
|
7531 drawSegment(segments[0]); |
|
7532 } |
|
7533 |
|
7534 return { |
|
7535 _draw: function(ctx, param, strokeMatrix) { |
|
7536 var dontStart = param.dontStart, |
|
7537 dontPaint = param.dontFinish || param.clip, |
|
7538 style = this.getStyle(), |
|
7539 hasFill = style.hasFill(), |
|
7540 hasStroke = style.hasStroke(), |
|
7541 dashArray = style.getDashArray(), |
|
7542 dashLength = !paper.support.nativeDash && hasStroke |
|
7543 && dashArray && dashArray.length; |
|
7544 |
|
7545 if (!dontStart) |
|
7546 ctx.beginPath(); |
|
7547 |
|
7548 if (!dontStart && this._currentPath) { |
|
7549 ctx.currentPath = this._currentPath; |
|
7550 } else if (hasFill || hasStroke && !dashLength || dontPaint) { |
|
7551 drawSegments(ctx, this, strokeMatrix); |
|
7552 if (this._closed) |
|
7553 ctx.closePath(); |
|
7554 if (!dontStart) |
|
7555 this._currentPath = ctx.currentPath; |
|
7556 } |
|
7557 |
|
7558 function getOffset(i) { |
|
7559 return dashArray[((i % dashLength) + dashLength) % dashLength]; |
|
7560 } |
|
7561 |
|
7562 if (!dontPaint && (hasFill || hasStroke)) { |
|
7563 this._setStyles(ctx); |
|
7564 if (hasFill) { |
|
7565 ctx.fill(style.getWindingRule()); |
|
7566 ctx.shadowColor = 'rgba(0,0,0,0)'; |
|
7567 } |
|
7568 if (hasStroke) { |
|
7569 if (dashLength) { |
|
7570 if (!dontStart) |
|
7571 ctx.beginPath(); |
|
7572 var iterator = new PathIterator(this, 32, 0.25, |
|
7573 strokeMatrix), |
|
7574 length = iterator.length, |
|
7575 from = -style.getDashOffset(), to, |
|
7576 i = 0; |
|
7577 from = from % length; |
|
7578 while (from > 0) { |
|
7579 from -= getOffset(i--) + getOffset(i--); |
|
7580 } |
|
7581 while (from < length) { |
|
7582 to = from + getOffset(i++); |
|
7583 if (from > 0 || to > 0) |
|
7584 iterator.drawPart(ctx, |
|
7585 Math.max(from, 0), Math.max(to, 0)); |
|
7586 from = to + getOffset(i++); |
|
7587 } |
|
7588 } |
|
7589 ctx.stroke(); |
|
7590 } |
|
7591 } |
|
7592 }, |
|
7593 |
|
7594 _drawSelected: function(ctx, matrix) { |
|
7595 ctx.beginPath(); |
|
7596 drawSegments(ctx, this, matrix); |
|
7597 ctx.stroke(); |
|
7598 drawHandles(ctx, this._segments, matrix, paper.settings.handleSize); |
|
7599 } |
|
7600 }; |
|
7601 }, new function() { |
|
7602 |
|
7603 function getFirstControlPoints(rhs) { |
|
7604 var n = rhs.length, |
|
7605 x = [], |
|
7606 tmp = [], |
|
7607 b = 2; |
|
7608 x[0] = rhs[0] / b; |
|
7609 for (var i = 1; i < n; i++) { |
|
7610 tmp[i] = 1 / b; |
|
7611 b = (i < n - 1 ? 4 : 2) - tmp[i]; |
|
7612 x[i] = (rhs[i] - x[i - 1]) / b; |
|
7613 } |
|
7614 for (var i = 1; i < n; i++) { |
|
7615 x[n - i - 1] -= tmp[n - i] * x[n - i]; |
|
7616 } |
|
7617 return x; |
|
7618 } |
|
7619 |
|
7620 return { |
|
7621 smooth: function() { |
|
7622 var segments = this._segments, |
|
7623 size = segments.length, |
|
7624 closed = this._closed, |
|
7625 n = size, |
|
7626 overlap = 0; |
|
7627 if (size <= 2) |
|
7628 return; |
|
7629 if (closed) { |
|
7630 overlap = Math.min(size, 4); |
|
7631 n += Math.min(size, overlap) * 2; |
|
7632 } |
|
7633 var knots = []; |
|
7634 for (var i = 0; i < size; i++) |
|
7635 knots[i + overlap] = segments[i]._point; |
|
7636 if (closed) { |
|
7637 for (var i = 0; i < overlap; i++) { |
|
7638 knots[i] = segments[i + size - overlap]._point; |
|
7639 knots[i + size + overlap] = segments[i]._point; |
|
7640 } |
|
7641 } else { |
|
7642 n--; |
|
7643 } |
|
7644 var rhs = []; |
|
7645 |
|
7646 for (var i = 1; i < n - 1; i++) |
|
7647 rhs[i] = 4 * knots[i]._x + 2 * knots[i + 1]._x; |
|
7648 rhs[0] = knots[0]._x + 2 * knots[1]._x; |
|
7649 rhs[n - 1] = 3 * knots[n - 1]._x; |
|
7650 var x = getFirstControlPoints(rhs); |
|
7651 |
|
7652 for (var i = 1; i < n - 1; i++) |
|
7653 rhs[i] = 4 * knots[i]._y + 2 * knots[i + 1]._y; |
|
7654 rhs[0] = knots[0]._y + 2 * knots[1]._y; |
|
7655 rhs[n - 1] = 3 * knots[n - 1]._y; |
|
7656 var y = getFirstControlPoints(rhs); |
|
7657 |
|
7658 if (closed) { |
|
7659 for (var i = 0, j = size; i < overlap; i++, j++) { |
|
7660 var f1 = i / overlap, |
|
7661 f2 = 1 - f1, |
|
7662 ie = i + overlap, |
|
7663 je = j + overlap; |
|
7664 x[j] = x[i] * f1 + x[j] * f2; |
|
7665 y[j] = y[i] * f1 + y[j] * f2; |
|
7666 x[je] = x[ie] * f2 + x[je] * f1; |
|
7667 y[je] = y[ie] * f2 + y[je] * f1; |
|
7668 } |
|
7669 n--; |
|
7670 } |
|
7671 var handleIn = null; |
|
7672 for (var i = overlap; i <= n - overlap; i++) { |
|
7673 var segment = segments[i - overlap]; |
|
7674 if (handleIn) |
|
7675 segment.setHandleIn(handleIn.subtract(segment._point)); |
|
7676 if (i < n) { |
|
7677 segment.setHandleOut( |
|
7678 new Point(x[i], y[i]).subtract(segment._point)); |
|
7679 handleIn = i < n - 1 |
|
7680 ? new Point( |
|
7681 2 * knots[i + 1]._x - x[i + 1], |
|
7682 2 * knots[i + 1]._y - y[i + 1]) |
|
7683 : new Point( |
|
7684 (knots[n]._x + x[n - 1]) / 2, |
|
7685 (knots[n]._y + y[n - 1]) / 2); |
|
7686 } |
|
7687 } |
|
7688 if (closed && handleIn) { |
|
7689 var segment = this._segments[0]; |
|
7690 segment.setHandleIn(handleIn.subtract(segment._point)); |
|
7691 } |
|
7692 } |
|
7693 }; |
|
7694 }, new function() { |
|
7695 function getCurrentSegment(that) { |
|
7696 var segments = that._segments; |
|
7697 if (segments.length === 0) |
|
7698 throw new Error('Use a moveTo() command first'); |
|
7699 return segments[segments.length - 1]; |
|
7700 } |
|
7701 |
|
7702 return { |
|
7703 moveTo: function() { |
|
7704 var segments = this._segments; |
|
7705 if (segments.length === 1) |
|
7706 this.removeSegment(0); |
|
7707 if (!segments.length) |
|
7708 this._add([ new Segment(Point.read(arguments)) ]); |
|
7709 }, |
|
7710 |
|
7711 moveBy: function() { |
|
7712 throw new Error('moveBy() is unsupported on Path items.'); |
|
7713 }, |
|
7714 |
|
7715 lineTo: function() { |
|
7716 this._add([ new Segment(Point.read(arguments)) ]); |
|
7717 }, |
|
7718 |
|
7719 cubicCurveTo: function() { |
|
7720 var handle1 = Point.read(arguments), |
|
7721 handle2 = Point.read(arguments), |
|
7722 to = Point.read(arguments), |
|
7723 current = getCurrentSegment(this); |
|
7724 current.setHandleOut(handle1.subtract(current._point)); |
|
7725 this._add([ new Segment(to, handle2.subtract(to)) ]); |
|
7726 }, |
|
7727 |
|
7728 quadraticCurveTo: function() { |
|
7729 var handle = Point.read(arguments), |
|
7730 to = Point.read(arguments), |
|
7731 current = getCurrentSegment(this)._point; |
|
7732 this.cubicCurveTo( |
|
7733 handle.add(current.subtract(handle).multiply(1 / 3)), |
|
7734 handle.add(to.subtract(handle).multiply(1 / 3)), |
|
7735 to |
|
7736 ); |
|
7737 }, |
|
7738 |
|
7739 curveTo: function() { |
|
7740 var through = Point.read(arguments), |
|
7741 to = Point.read(arguments), |
|
7742 t = Base.pick(Base.read(arguments), 0.5), |
|
7743 t1 = 1 - t, |
|
7744 current = getCurrentSegment(this)._point, |
|
7745 handle = through.subtract(current.multiply(t1 * t1)) |
|
7746 .subtract(to.multiply(t * t)).divide(2 * t * t1); |
|
7747 if (handle.isNaN()) |
|
7748 throw new Error( |
|
7749 'Cannot put a curve through points with parameter = ' + t); |
|
7750 this.quadraticCurveTo(handle, to); |
|
7751 }, |
|
7752 |
|
7753 arcTo: function() { |
|
7754 var current = getCurrentSegment(this), |
|
7755 from = current._point, |
|
7756 to = Point.read(arguments), |
|
7757 through, |
|
7758 peek = Base.peek(arguments), |
|
7759 clockwise = Base.pick(peek, true), |
|
7760 center, extent, vector, matrix; |
|
7761 if (typeof clockwise === 'boolean') { |
|
7762 var middle = from.add(to).divide(2), |
|
7763 through = middle.add(middle.subtract(from).rotate( |
|
7764 clockwise ? -90 : 90)); |
|
7765 } else if (Base.remain(arguments) <= 2) { |
|
7766 through = to; |
|
7767 to = Point.read(arguments); |
|
7768 } else { |
|
7769 var radius = Size.read(arguments); |
|
7770 if (radius.isZero()) |
|
7771 return this.lineTo(to); |
|
7772 var rotation = Base.read(arguments), |
|
7773 clockwise = !!Base.read(arguments), |
|
7774 large = !!Base.read(arguments), |
|
7775 middle = from.add(to).divide(2), |
|
7776 pt = from.subtract(middle).rotate(-rotation), |
|
7777 x = pt.x, |
|
7778 y = pt.y, |
|
7779 abs = Math.abs, |
|
7780 epsilon = 1e-12, |
|
7781 rx = abs(radius.width), |
|
7782 ry = abs(radius.height), |
|
7783 rxSq = rx * rx, |
|
7784 rySq = ry * ry, |
|
7785 xSq = x * x, |
|
7786 ySq = y * y; |
|
7787 var factor = Math.sqrt(xSq / rxSq + ySq / rySq); |
|
7788 if (factor > 1) { |
|
7789 rx *= factor; |
|
7790 ry *= factor; |
|
7791 rxSq = rx * rx; |
|
7792 rySq = ry * ry; |
|
7793 } |
|
7794 factor = (rxSq * rySq - rxSq * ySq - rySq * xSq) / |
|
7795 (rxSq * ySq + rySq * xSq); |
|
7796 if (abs(factor) < epsilon) |
|
7797 factor = 0; |
|
7798 if (factor < 0) |
|
7799 throw new Error( |
|
7800 'Cannot create an arc with the given arguments'); |
|
7801 center = new Point(rx * y / ry, -ry * x / rx) |
|
7802 .multiply((large === clockwise ? -1 : 1) |
|
7803 * Math.sqrt(factor)) |
|
7804 .rotate(rotation).add(middle); |
|
7805 matrix = new Matrix().translate(center).rotate(rotation) |
|
7806 .scale(rx, ry); |
|
7807 vector = matrix._inverseTransform(from); |
|
7808 extent = vector.getDirectedAngle(matrix._inverseTransform(to)); |
|
7809 if (!clockwise && extent > 0) |
|
7810 extent -= 360; |
|
7811 else if (clockwise && extent < 0) |
|
7812 extent += 360; |
|
7813 } |
|
7814 if (through) { |
|
7815 var l1 = new Line(from.add(through).divide(2), |
|
7816 through.subtract(from).rotate(90), true), |
|
7817 l2 = new Line(through.add(to).divide(2), |
|
7818 to.subtract(through).rotate(90), true), |
|
7819 line = new Line(from, to), |
|
7820 throughSide = line.getSide(through); |
|
7821 center = l1.intersect(l2, true); |
|
7822 if (!center) { |
|
7823 if (!throughSide) |
|
7824 return this.lineTo(to); |
|
7825 throw new Error( |
|
7826 'Cannot create an arc with the given arguments'); |
|
7827 } |
|
7828 vector = from.subtract(center); |
|
7829 extent = vector.getDirectedAngle(to.subtract(center)); |
|
7830 var centerSide = line.getSide(center); |
|
7831 if (centerSide === 0) { |
|
7832 extent = throughSide * Math.abs(extent); |
|
7833 } else if (throughSide === centerSide) { |
|
7834 extent += extent < 0 ? 360 : -360; |
|
7835 } |
|
7836 } |
|
7837 var ext = Math.abs(extent), |
|
7838 count = ext >= 360 ? 4 : Math.ceil(ext / 90), |
|
7839 inc = extent / count, |
|
7840 half = inc * Math.PI / 360, |
|
7841 z = 4 / 3 * Math.sin(half) / (1 + Math.cos(half)), |
|
7842 segments = []; |
|
7843 for (var i = 0; i <= count; i++) { |
|
7844 var pt = to, |
|
7845 out = null; |
|
7846 if (i < count) { |
|
7847 out = vector.rotate(90).multiply(z); |
|
7848 if (matrix) { |
|
7849 pt = matrix._transformPoint(vector); |
|
7850 out = matrix._transformPoint(vector.add(out)) |
|
7851 .subtract(pt); |
|
7852 } else { |
|
7853 pt = center.add(vector); |
|
7854 } |
|
7855 } |
|
7856 if (i === 0) { |
|
7857 current.setHandleOut(out); |
|
7858 } else { |
|
7859 var _in = vector.rotate(-90).multiply(z); |
|
7860 if (matrix) { |
|
7861 _in = matrix._transformPoint(vector.add(_in)) |
|
7862 .subtract(pt); |
|
7863 } |
|
7864 segments.push(new Segment(pt, _in, out)); |
|
7865 } |
|
7866 vector = vector.rotate(inc); |
|
7867 } |
|
7868 this._add(segments); |
|
7869 }, |
|
7870 |
|
7871 lineBy: function() { |
|
7872 var to = Point.read(arguments), |
|
7873 current = getCurrentSegment(this)._point; |
|
7874 this.lineTo(current.add(to)); |
|
7875 }, |
|
7876 |
|
7877 curveBy: function() { |
|
7878 var through = Point.read(arguments), |
|
7879 to = Point.read(arguments), |
|
7880 parameter = Base.read(arguments), |
|
7881 current = getCurrentSegment(this)._point; |
|
7882 this.curveTo(current.add(through), current.add(to), parameter); |
|
7883 }, |
|
7884 |
|
7885 cubicCurveBy: function() { |
|
7886 var handle1 = Point.read(arguments), |
|
7887 handle2 = Point.read(arguments), |
|
7888 to = Point.read(arguments), |
|
7889 current = getCurrentSegment(this)._point; |
|
7890 this.cubicCurveTo(current.add(handle1), current.add(handle2), |
|
7891 current.add(to)); |
|
7892 }, |
|
7893 |
|
7894 quadraticCurveBy: function() { |
|
7895 var handle = Point.read(arguments), |
|
7896 to = Point.read(arguments), |
|
7897 current = getCurrentSegment(this)._point; |
|
7898 this.quadraticCurveTo(current.add(handle), current.add(to)); |
|
7899 }, |
|
7900 |
|
7901 arcBy: function() { |
|
7902 var current = getCurrentSegment(this)._point, |
|
7903 point = current.add(Point.read(arguments)), |
|
7904 clockwise = Base.pick(Base.peek(arguments), true); |
|
7905 if (typeof clockwise === 'boolean') { |
|
7906 this.arcTo(point, clockwise); |
|
7907 } else { |
|
7908 this.arcTo(point, current.add(Point.read(arguments))); |
|
7909 } |
|
7910 }, |
|
7911 |
|
7912 closePath: function(join) { |
|
7913 this.setClosed(true); |
|
7914 if (join) |
|
7915 this.join(); |
|
7916 } |
|
7917 }; |
|
7918 }, { |
|
7919 |
|
7920 _getBounds: function(getter, matrix) { |
|
7921 return Path[getter](this._segments, this._closed, this.getStyle(), |
|
7922 matrix); |
|
7923 }, |
|
7924 |
|
7925 statics: { |
|
7926 isClockwise: function(segments) { |
|
7927 var sum = 0; |
|
7928 for (var i = 0, l = segments.length; i < l; i++) |
|
7929 sum += Curve.getEdgeSum(Curve.getValues( |
|
7930 segments[i], segments[i + 1 < l ? i + 1 : 0])); |
|
7931 return sum > 0; |
|
7932 }, |
|
7933 |
|
7934 getBounds: function(segments, closed, style, matrix, strokePadding) { |
|
7935 var first = segments[0]; |
|
7936 if (!first) |
|
7937 return new Rectangle(); |
|
7938 var coords = new Array(6), |
|
7939 prevCoords = first._transformCoordinates(matrix, new Array(6), false), |
|
7940 min = prevCoords.slice(0, 2), |
|
7941 max = min.slice(), |
|
7942 roots = new Array(2); |
|
7943 |
|
7944 function processSegment(segment) { |
|
7945 segment._transformCoordinates(matrix, coords, false); |
|
7946 for (var i = 0; i < 2; i++) { |
|
7947 Curve._addBounds( |
|
7948 prevCoords[i], |
|
7949 prevCoords[i + 4], |
|
7950 coords[i + 2], |
|
7951 coords[i], |
|
7952 i, strokePadding ? strokePadding[i] : 0, min, max, roots); |
|
7953 } |
|
7954 var tmp = prevCoords; |
|
7955 prevCoords = coords; |
|
7956 coords = tmp; |
|
7957 } |
|
7958 |
|
7959 for (var i = 1, l = segments.length; i < l; i++) |
|
7960 processSegment(segments[i]); |
|
7961 if (closed) |
|
7962 processSegment(first); |
|
7963 return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]); |
|
7964 }, |
|
7965 |
|
7966 getStrokeBounds: function(segments, closed, style, matrix) { |
|
7967 if (!style.hasStroke()) |
|
7968 return Path.getBounds(segments, closed, style, matrix); |
|
7969 var length = segments.length - (closed ? 0 : 1), |
|
7970 radius = style.getStrokeWidth() / 2, |
|
7971 padding = Path._getPenPadding(radius, matrix), |
|
7972 bounds = Path.getBounds(segments, closed, style, matrix, padding), |
|
7973 join = style.getStrokeJoin(), |
|
7974 cap = style.getStrokeCap(), |
|
7975 miterLimit = radius * style.getMiterLimit(); |
|
7976 var joinBounds = new Rectangle(new Size(padding).multiply(2)); |
|
7977 |
|
7978 function add(point) { |
|
7979 bounds = bounds.include(matrix |
|
7980 ? matrix._transformPoint(point, point) : point); |
|
7981 } |
|
7982 |
|
7983 function addRound(segment) { |
|
7984 bounds = bounds.unite(joinBounds.setCenter(matrix |
|
7985 ? matrix._transformPoint(segment._point) : segment._point)); |
|
7986 } |
|
7987 |
|
7988 function addJoin(segment, join) { |
|
7989 var handleIn = segment._handleIn, |
|
7990 handleOut = segment._handleOut; |
|
7991 if (join === 'round' || !handleIn.isZero() && !handleOut.isZero() |
|
7992 && handleIn.isColinear(handleOut)) { |
|
7993 addRound(segment); |
|
7994 } else { |
|
7995 Path._addBevelJoin(segment, join, radius, miterLimit, add); |
|
7996 } |
|
7997 } |
|
7998 |
|
7999 function addCap(segment, cap) { |
|
8000 if (cap === 'round') { |
|
8001 addRound(segment); |
|
8002 } else { |
|
8003 Path._addSquareCap(segment, cap, radius, add); |
|
8004 } |
|
8005 } |
|
8006 |
|
8007 for (var i = 1; i < length; i++) |
|
8008 addJoin(segments[i], join); |
|
8009 if (closed) { |
|
8010 addJoin(segments[0], join); |
|
8011 } else if (length > 0) { |
|
8012 addCap(segments[0], cap); |
|
8013 addCap(segments[segments.length - 1], cap); |
|
8014 } |
|
8015 return bounds; |
|
8016 }, |
|
8017 |
|
8018 _getPenPadding: function(radius, matrix) { |
|
8019 if (!matrix) |
|
8020 return [radius, radius]; |
|
8021 var mx = matrix.shiftless(), |
|
8022 hor = mx.transform(new Point(radius, 0)), |
|
8023 ver = mx.transform(new Point(0, radius)), |
|
8024 phi = hor.getAngleInRadians(), |
|
8025 a = hor.getLength(), |
|
8026 b = ver.getLength(); |
|
8027 var sin = Math.sin(phi), |
|
8028 cos = Math.cos(phi), |
|
8029 tan = Math.tan(phi), |
|
8030 tx = -Math.atan(b * tan / a), |
|
8031 ty = Math.atan(b / (tan * a)); |
|
8032 return [Math.abs(a * Math.cos(tx) * cos - b * Math.sin(tx) * sin), |
|
8033 Math.abs(b * Math.sin(ty) * cos + a * Math.cos(ty) * sin)]; |
|
8034 }, |
|
8035 |
|
8036 _addBevelJoin: function(segment, join, radius, miterLimit, addPoint, area) { |
|
8037 var curve2 = segment.getCurve(), |
|
8038 curve1 = curve2.getPrevious(), |
|
8039 point = curve2.getPointAt(0, true), |
|
8040 normal1 = curve1.getNormalAt(1, true), |
|
8041 normal2 = curve2.getNormalAt(0, true), |
|
8042 step = normal1.getDirectedAngle(normal2) < 0 ? -radius : radius; |
|
8043 normal1.setLength(step); |
|
8044 normal2.setLength(step); |
|
8045 if (area) { |
|
8046 addPoint(point); |
|
8047 addPoint(point.add(normal1)); |
|
8048 } |
|
8049 if (join === 'miter') { |
|
8050 var corner = new Line( |
|
8051 point.add(normal1), |
|
8052 new Point(-normal1.y, normal1.x), true |
|
8053 ).intersect(new Line( |
|
8054 point.add(normal2), |
|
8055 new Point(-normal2.y, normal2.x), true |
|
8056 ), true); |
|
8057 if (corner && point.getDistance(corner) <= miterLimit) { |
|
8058 addPoint(corner); |
|
8059 if (!area) |
|
8060 return; |
|
8061 } |
|
8062 } |
|
8063 if (!area) |
|
8064 addPoint(point.add(normal1)); |
|
8065 addPoint(point.add(normal2)); |
|
8066 }, |
|
8067 |
|
8068 _addSquareCap: function(segment, cap, radius, addPoint, area) { |
|
8069 var point = segment._point, |
|
8070 loc = segment.getLocation(), |
|
8071 normal = loc.getNormal().normalize(radius); |
|
8072 if (area) { |
|
8073 addPoint(point.subtract(normal)); |
|
8074 addPoint(point.add(normal)); |
|
8075 } |
|
8076 if (cap === 'square') |
|
8077 point = point.add(normal.rotate(loc.getParameter() === 0 ? -90 : 90)); |
|
8078 addPoint(point.add(normal)); |
|
8079 addPoint(point.subtract(normal)); |
|
8080 }, |
|
8081 |
|
8082 getHandleBounds: function(segments, closed, style, matrix, strokePadding, |
|
8083 joinPadding) { |
|
8084 var coords = new Array(6), |
|
8085 x1 = Infinity, |
|
8086 x2 = -x1, |
|
8087 y1 = x1, |
|
8088 y2 = x2; |
|
8089 for (var i = 0, l = segments.length; i < l; i++) { |
|
8090 var segment = segments[i]; |
|
8091 segment._transformCoordinates(matrix, coords, false); |
|
8092 for (var j = 0; j < 6; j += 2) { |
|
8093 var padding = j === 0 ? joinPadding : strokePadding, |
|
8094 paddingX = padding ? padding[0] : 0, |
|
8095 paddingY = padding ? padding[1] : 0, |
|
8096 x = coords[j], |
|
8097 y = coords[j + 1], |
|
8098 xn = x - paddingX, |
|
8099 xx = x + paddingX, |
|
8100 yn = y - paddingY, |
|
8101 yx = y + paddingY; |
|
8102 if (xn < x1) x1 = xn; |
|
8103 if (xx > x2) x2 = xx; |
|
8104 if (yn < y1) y1 = yn; |
|
8105 if (yx > y2) y2 = yx; |
|
8106 } |
|
8107 } |
|
8108 return new Rectangle(x1, y1, x2 - x1, y2 - y1); |
|
8109 }, |
|
8110 |
|
8111 getRoughBounds: function(segments, closed, style, matrix) { |
|
8112 var strokeRadius = style.hasStroke() ? style.getStrokeWidth() / 2 : 0, |
|
8113 joinRadius = strokeRadius; |
|
8114 if (strokeRadius > 0) { |
|
8115 if (style.getStrokeJoin() === 'miter') |
|
8116 joinRadius = strokeRadius * style.getMiterLimit(); |
|
8117 if (style.getStrokeCap() === 'square') |
|
8118 joinRadius = Math.max(joinRadius, strokeRadius * Math.sqrt(2)); |
|
8119 } |
|
8120 return Path.getHandleBounds(segments, closed, style, matrix, |
|
8121 Path._getPenPadding(strokeRadius, matrix), |
|
8122 Path._getPenPadding(joinRadius, matrix)); |
|
8123 } |
|
8124 }}); |
|
8125 |
|
8126 Path.inject({ statics: new function() { |
|
8127 |
|
8128 var kappa = 0.5522847498307936, |
|
8129 ellipseSegments = [ |
|
8130 new Segment([-1, 0], [0, kappa ], [0, -kappa]), |
|
8131 new Segment([0, -1], [-kappa, 0], [kappa, 0 ]), |
|
8132 new Segment([1, 0], [0, -kappa], [0, kappa ]), |
|
8133 new Segment([0, 1], [kappa, 0 ], [-kappa, 0]) |
|
8134 ]; |
|
8135 |
|
8136 function createPath(segments, closed, args) { |
|
8137 var props = Base.getNamed(args), |
|
8138 path = new Path(props && props.insert === false && Item.NO_INSERT); |
|
8139 path._add(segments); |
|
8140 path._closed = closed; |
|
8141 return path.set(props); |
|
8142 } |
|
8143 |
|
8144 function createEllipse(center, radius, args) { |
|
8145 var segments = new Array(4); |
|
8146 for (var i = 0; i < 4; i++) { |
|
8147 var segment = ellipseSegments[i]; |
|
8148 segments[i] = new Segment( |
|
8149 segment._point.multiply(radius).add(center), |
|
8150 segment._handleIn.multiply(radius), |
|
8151 segment._handleOut.multiply(radius) |
|
8152 ); |
|
8153 } |
|
8154 return createPath(segments, true, args); |
|
8155 } |
|
8156 |
|
8157 return { |
|
8158 Line: function() { |
|
8159 return createPath([ |
|
8160 new Segment(Point.readNamed(arguments, 'from')), |
|
8161 new Segment(Point.readNamed(arguments, 'to')) |
|
8162 ], false, arguments); |
|
8163 }, |
|
8164 |
|
8165 Circle: function() { |
|
8166 var center = Point.readNamed(arguments, 'center'), |
|
8167 radius = Base.readNamed(arguments, 'radius'); |
|
8168 return createEllipse(center, new Size(radius), arguments); |
|
8169 }, |
|
8170 |
|
8171 Rectangle: function() { |
|
8172 var rect = Rectangle.readNamed(arguments, 'rectangle'), |
|
8173 radius = Size.readNamed(arguments, 'radius', 0, |
|
8174 { readNull: true }), |
|
8175 bl = rect.getBottomLeft(true), |
|
8176 tl = rect.getTopLeft(true), |
|
8177 tr = rect.getTopRight(true), |
|
8178 br = rect.getBottomRight(true), |
|
8179 segments; |
|
8180 if (!radius || radius.isZero()) { |
|
8181 segments = [ |
|
8182 new Segment(bl), |
|
8183 new Segment(tl), |
|
8184 new Segment(tr), |
|
8185 new Segment(br) |
|
8186 ]; |
|
8187 } else { |
|
8188 radius = Size.min(radius, rect.getSize(true).divide(2)); |
|
8189 var rx = radius.width, |
|
8190 ry = radius.height, |
|
8191 hx = rx * kappa, |
|
8192 hy = ry * kappa; |
|
8193 segments = [ |
|
8194 new Segment(bl.add(rx, 0), null, [-hx, 0]), |
|
8195 new Segment(bl.subtract(0, ry), [0, hy]), |
|
8196 new Segment(tl.add(0, ry), null, [0, -hy]), |
|
8197 new Segment(tl.add(rx, 0), [-hx, 0], null), |
|
8198 new Segment(tr.subtract(rx, 0), null, [hx, 0]), |
|
8199 new Segment(tr.add(0, ry), [0, -hy], null), |
|
8200 new Segment(br.subtract(0, ry), null, [0, hy]), |
|
8201 new Segment(br.subtract(rx, 0), [hx, 0]) |
|
8202 ]; |
|
8203 } |
|
8204 return createPath(segments, true, arguments); |
|
8205 }, |
|
8206 |
|
8207 RoundRectangle: '#Rectangle', |
|
8208 |
|
8209 Ellipse: function() { |
|
8210 var ellipse = Shape._readEllipse(arguments); |
|
8211 return createEllipse(ellipse.center, ellipse.radius, arguments); |
|
8212 }, |
|
8213 |
|
8214 Oval: '#Ellipse', |
|
8215 |
|
8216 Arc: function() { |
|
8217 var from = Point.readNamed(arguments, 'from'), |
|
8218 through = Point.readNamed(arguments, 'through'), |
|
8219 to = Point.readNamed(arguments, 'to'), |
|
8220 props = Base.getNamed(arguments), |
|
8221 path = new Path(props && props.insert === false |
|
8222 && Item.NO_INSERT); |
|
8223 path.moveTo(from); |
|
8224 path.arcTo(through, to); |
|
8225 return path.set(props); |
|
8226 }, |
|
8227 |
|
8228 RegularPolygon: function() { |
|
8229 var center = Point.readNamed(arguments, 'center'), |
|
8230 sides = Base.readNamed(arguments, 'sides'), |
|
8231 radius = Base.readNamed(arguments, 'radius'), |
|
8232 step = 360 / sides, |
|
8233 three = !(sides % 3), |
|
8234 vector = new Point(0, three ? -radius : radius), |
|
8235 offset = three ? -1 : 0.5, |
|
8236 segments = new Array(sides); |
|
8237 for (var i = 0; i < sides; i++) |
|
8238 segments[i] = new Segment(center.add( |
|
8239 vector.rotate((i + offset) * step))); |
|
8240 return createPath(segments, true, arguments); |
|
8241 }, |
|
8242 |
|
8243 Star: function() { |
|
8244 var center = Point.readNamed(arguments, 'center'), |
|
8245 points = Base.readNamed(arguments, 'points') * 2, |
|
8246 radius1 = Base.readNamed(arguments, 'radius1'), |
|
8247 radius2 = Base.readNamed(arguments, 'radius2'), |
|
8248 step = 360 / points, |
|
8249 vector = new Point(0, -1), |
|
8250 segments = new Array(points); |
|
8251 for (var i = 0; i < points; i++) |
|
8252 segments[i] = new Segment(center.add(vector.rotate(step * i) |
|
8253 .multiply(i % 2 ? radius2 : radius1))); |
|
8254 return createPath(segments, true, arguments); |
|
8255 } |
|
8256 }; |
|
8257 }}); |
|
8258 |
|
8259 var CompoundPath = PathItem.extend({ |
|
8260 _class: 'CompoundPath', |
|
8261 _serializeFields: { |
|
8262 children: [] |
|
8263 }, |
|
8264 |
|
8265 initialize: function CompoundPath(arg) { |
|
8266 this._children = []; |
|
8267 this._namedChildren = {}; |
|
8268 if (!this._initialize(arg)) { |
|
8269 if (typeof arg === 'string') { |
|
8270 this.setPathData(arg); |
|
8271 } else { |
|
8272 this.addChildren(Array.isArray(arg) ? arg : arguments); |
|
8273 } |
|
8274 } |
|
8275 }, |
|
8276 |
|
8277 insertChildren: function insertChildren(index, items, _preserve) { |
|
8278 items = insertChildren.base.call(this, index, items, _preserve, Path); |
|
8279 for (var i = 0, l = !_preserve && items && items.length; i < l; i++) { |
|
8280 var item = items[i]; |
|
8281 if (item._clockwise === undefined) |
|
8282 item.setClockwise(item._index === 0); |
|
8283 } |
|
8284 return items; |
|
8285 }, |
|
8286 |
|
8287 reverse: function() { |
|
8288 var children = this._children; |
|
8289 for (var i = 0, l = children.length; i < l; i++) |
|
8290 children[i].reverse(); |
|
8291 }, |
|
8292 |
|
8293 smooth: function() { |
|
8294 for (var i = 0, l = this._children.length; i < l; i++) |
|
8295 this._children[i].smooth(); |
|
8296 }, |
|
8297 |
|
8298 reduce: function reduce() { |
|
8299 if (this._children.length === 0) { |
|
8300 var path = new Path(Item.NO_INSERT); |
|
8301 path.insertAbove(this); |
|
8302 path.setStyle(this._style); |
|
8303 this.remove(); |
|
8304 return path; |
|
8305 } else { |
|
8306 return reduce.base.call(this); |
|
8307 } |
|
8308 }, |
|
8309 |
|
8310 isClockwise: function() { |
|
8311 var child = this.getFirstChild(); |
|
8312 return child && child.isClockwise(); |
|
8313 }, |
|
8314 |
|
8315 setClockwise: function(clockwise) { |
|
8316 if (this.isClockwise() !== !!clockwise) |
|
8317 this.reverse(); |
|
8318 }, |
|
8319 |
|
8320 getFirstSegment: function() { |
|
8321 var first = this.getFirstChild(); |
|
8322 return first && first.getFirstSegment(); |
|
8323 }, |
|
8324 |
|
8325 getLastSegment: function() { |
|
8326 var last = this.getLastChild(); |
|
8327 return last && last.getLastSegment(); |
|
8328 }, |
|
8329 |
|
8330 getCurves: function() { |
|
8331 var children = this._children, |
|
8332 curves = []; |
|
8333 for (var i = 0, l = children.length; i < l; i++) |
|
8334 curves.push.apply(curves, children[i].getCurves()); |
|
8335 return curves; |
|
8336 }, |
|
8337 |
|
8338 getFirstCurve: function() { |
|
8339 var first = this.getFirstChild(); |
|
8340 return first && first.getFirstCurve(); |
|
8341 }, |
|
8342 |
|
8343 getLastCurve: function() { |
|
8344 var last = this.getLastChild(); |
|
8345 return last && last.getFirstCurve(); |
|
8346 }, |
|
8347 |
|
8348 getArea: function() { |
|
8349 var children = this._children, |
|
8350 area = 0; |
|
8351 for (var i = 0, l = children.length; i < l; i++) |
|
8352 area += children[i].getArea(); |
|
8353 return area; |
|
8354 } |
|
8355 }, { |
|
8356 beans: true, |
|
8357 |
|
8358 getPathData: function(_matrix, _precision) { |
|
8359 var children = this._children, |
|
8360 paths = []; |
|
8361 for (var i = 0, l = children.length; i < l; i++) { |
|
8362 var child = children[i], |
|
8363 mx = child._matrix; |
|
8364 paths.push(child.getPathData(_matrix && !mx.isIdentity() |
|
8365 ? _matrix.chain(mx) : mx, _precision)); |
|
8366 } |
|
8367 return paths.join(' '); |
|
8368 } |
|
8369 }, { |
|
8370 _getChildHitTestOptions: function(options) { |
|
8371 return options.class === Path || options.type === 'path' |
|
8372 ? options |
|
8373 : new Base(options, { fill: false }); |
|
8374 }, |
|
8375 |
|
8376 _draw: function(ctx, param, strokeMatrix) { |
|
8377 var children = this._children; |
|
8378 if (children.length === 0) |
|
8379 return; |
|
8380 |
|
8381 if (this._currentPath) { |
|
8382 ctx.currentPath = this._currentPath; |
|
8383 } else { |
|
8384 param = param.extend({ dontStart: true, dontFinish: true }); |
|
8385 ctx.beginPath(); |
|
8386 for (var i = 0, l = children.length; i < l; i++) |
|
8387 children[i].draw(ctx, param, strokeMatrix); |
|
8388 this._currentPath = ctx.currentPath; |
|
8389 } |
|
8390 |
|
8391 if (!param.clip) { |
|
8392 this._setStyles(ctx); |
|
8393 var style = this._style; |
|
8394 if (style.hasFill()) { |
|
8395 ctx.fill(style.getWindingRule()); |
|
8396 ctx.shadowColor = 'rgba(0,0,0,0)'; |
|
8397 } |
|
8398 if (style.hasStroke()) |
|
8399 ctx.stroke(); |
|
8400 } |
|
8401 }, |
|
8402 |
|
8403 _drawSelected: function(ctx, matrix, selectedItems) { |
|
8404 var children = this._children; |
|
8405 for (var i = 0, l = children.length; i < l; i++) { |
|
8406 var child = children[i], |
|
8407 mx = child._matrix; |
|
8408 if (!selectedItems[child._id]) |
|
8409 child._drawSelected(ctx, mx.isIdentity() ? matrix |
|
8410 : matrix.chain(mx)); |
|
8411 } |
|
8412 } |
|
8413 }, new function() { |
|
8414 function getCurrentPath(that, check) { |
|
8415 var children = that._children; |
|
8416 if (check && children.length === 0) |
|
8417 throw new Error('Use a moveTo() command first'); |
|
8418 return children[children.length - 1]; |
|
8419 } |
|
8420 |
|
8421 var fields = { |
|
8422 moveTo: function() { |
|
8423 var current = getCurrentPath(this), |
|
8424 path = current && current.isEmpty() ? current : new Path(); |
|
8425 if (path !== current) |
|
8426 this.addChild(path); |
|
8427 path.moveTo.apply(path, arguments); |
|
8428 }, |
|
8429 |
|
8430 moveBy: function() { |
|
8431 var current = getCurrentPath(this, true), |
|
8432 last = current && current.getLastSegment(), |
|
8433 point = Point.read(arguments); |
|
8434 this.moveTo(last ? point.add(last._point) : point); |
|
8435 }, |
|
8436 |
|
8437 closePath: function(join) { |
|
8438 getCurrentPath(this, true).closePath(join); |
|
8439 } |
|
8440 }; |
|
8441 |
|
8442 Base.each(['lineTo', 'cubicCurveTo', 'quadraticCurveTo', 'curveTo', 'arcTo', |
|
8443 'lineBy', 'cubicCurveBy', 'quadraticCurveBy', 'curveBy', 'arcBy'], |
|
8444 function(key) { |
|
8445 fields[key] = function() { |
|
8446 var path = getCurrentPath(this, true); |
|
8447 path[key].apply(path, arguments); |
|
8448 }; |
|
8449 } |
|
8450 ); |
|
8451 |
|
8452 return fields; |
|
8453 }); |
|
8454 |
|
8455 PathItem.inject(new function() { |
|
8456 var operators = { |
|
8457 unite: function(w) { |
|
8458 return w === 1 || w === 0; |
|
8459 }, |
|
8460 |
|
8461 intersect: function(w) { |
|
8462 return w === 2; |
|
8463 }, |
|
8464 |
|
8465 subtract: function(w) { |
|
8466 return w === 1; |
|
8467 }, |
|
8468 |
|
8469 exclude: function(w) { |
|
8470 return w === 1; |
|
8471 } |
|
8472 }; |
|
8473 |
|
8474 function computeBoolean(path1, path2, operation) { |
|
8475 var operator = operators[operation]; |
|
8476 function preparePath(path) { |
|
8477 return path.clone(false).reduce().reorient().transform(null, true, |
|
8478 true); |
|
8479 } |
|
8480 |
|
8481 var _path1 = preparePath(path1), |
|
8482 _path2 = path2 && path1 !== path2 && preparePath(path2); |
|
8483 if (_path2 && /^(subtract|exclude)$/.test(operation) |
|
8484 ^ (_path2.isClockwise() !== _path1.isClockwise())) |
|
8485 _path2.reverse(); |
|
8486 splitPath(_path1.getIntersections(_path2, null, true)); |
|
8487 |
|
8488 var chain = [], |
|
8489 segments = [], |
|
8490 monoCurves = [], |
|
8491 tolerance = 0.000001; |
|
8492 |
|
8493 function collect(paths) { |
|
8494 for (var i = 0, l = paths.length; i < l; i++) { |
|
8495 var path = paths[i]; |
|
8496 segments.push.apply(segments, path._segments); |
|
8497 monoCurves.push.apply(monoCurves, path._getMonoCurves()); |
|
8498 } |
|
8499 } |
|
8500 |
|
8501 collect(_path1._children || [_path1]); |
|
8502 if (_path2) |
|
8503 collect(_path2._children || [_path2]); |
|
8504 segments.sort(function(a, b) { |
|
8505 var _a = a._intersection, |
|
8506 _b = b._intersection; |
|
8507 return !_a && !_b || _a && _b ? 0 : _a ? -1 : 1; |
|
8508 }); |
|
8509 for (var i = 0, l = segments.length; i < l; i++) { |
|
8510 var segment = segments[i]; |
|
8511 if (segment._winding != null) |
|
8512 continue; |
|
8513 chain.length = 0; |
|
8514 var startSeg = segment, |
|
8515 totalLength = 0, |
|
8516 windingSum = 0; |
|
8517 do { |
|
8518 var length = segment.getCurve().getLength(); |
|
8519 chain.push({ segment: segment, length: length }); |
|
8520 totalLength += length; |
|
8521 segment = segment.getNext(); |
|
8522 } while (segment && !segment._intersection && segment !== startSeg); |
|
8523 for (var j = 0; j < 3; j++) { |
|
8524 var length = totalLength * (j + 1) / 4; |
|
8525 for (k = 0, m = chain.length; k < m; k++) { |
|
8526 var node = chain[k], |
|
8527 curveLength = node.length; |
|
8528 if (length <= curveLength) { |
|
8529 if (length <= tolerance |
|
8530 || curveLength - length <= tolerance) |
|
8531 length = curveLength / 2; |
|
8532 var curve = node.segment.getCurve(), |
|
8533 pt = curve.getPointAt(length), |
|
8534 hor = curve.isLinear() && Math.abs(curve |
|
8535 .getTangentAt(0.5, true).y) <= tolerance, |
|
8536 path = curve._path; |
|
8537 if (path._parent instanceof CompoundPath) |
|
8538 path = path._parent; |
|
8539 windingSum += operation === 'subtract' && _path2 |
|
8540 && (path === _path1 && _path2._getWinding(pt, hor) |
|
8541 || path === _path2 && !_path1._getWinding(pt, hor)) |
|
8542 ? 0 |
|
8543 : getWinding(pt, monoCurves, hor); |
|
8544 break; |
|
8545 } |
|
8546 length -= curveLength; |
|
8547 } |
|
8548 } |
|
8549 var winding = Math.round(windingSum / 3); |
|
8550 for (var j = chain.length - 1; j >= 0; j--) |
|
8551 chain[j].segment._winding = winding; |
|
8552 } |
|
8553 var result = new CompoundPath(Item.NO_INSERT); |
|
8554 result.insertAbove(path1); |
|
8555 result.addChildren(tracePaths(segments, operator), true); |
|
8556 result = result.reduce(); |
|
8557 result.setStyle(path1._style); |
|
8558 return result; |
|
8559 } |
|
8560 |
|
8561 function splitPath(intersections) { |
|
8562 var tMin = 0.000001, |
|
8563 tMax = 1 - tMin, |
|
8564 linearHandles; |
|
8565 |
|
8566 function resetLinear() { |
|
8567 for (var i = 0, l = linearHandles.length; i < l; i++) |
|
8568 linearHandles[i].set(0, 0); |
|
8569 } |
|
8570 |
|
8571 for (var i = intersections.length - 1, curve, prev; i >= 0; i--) { |
|
8572 var loc = intersections[i], |
|
8573 t = loc._parameter; |
|
8574 if (prev && prev._curve === loc._curve && prev._parameter > 0) { |
|
8575 t /= prev._parameter; |
|
8576 } else { |
|
8577 curve = loc._curve; |
|
8578 if (linearHandles) |
|
8579 resetLinear(); |
|
8580 linearHandles = curve.isLinear() ? [ |
|
8581 curve._segment1._handleOut, |
|
8582 curve._segment2._handleIn |
|
8583 ] : null; |
|
8584 } |
|
8585 var newCurve, |
|
8586 segment; |
|
8587 if (newCurve = curve.divide(t, true, true)) { |
|
8588 segment = newCurve._segment1; |
|
8589 curve = newCurve.getPrevious(); |
|
8590 if (linearHandles) |
|
8591 linearHandles.push(segment._handleOut, segment._handleIn); |
|
8592 } else { |
|
8593 segment = t < tMin |
|
8594 ? curve._segment1 |
|
8595 : t > tMax |
|
8596 ? curve._segment2 |
|
8597 : curve.getPartLength(0, t) < curve.getPartLength(t, 1) |
|
8598 ? curve._segment1 |
|
8599 : curve._segment2; |
|
8600 } |
|
8601 segment._intersection = loc.getIntersection(); |
|
8602 loc._segment = segment; |
|
8603 prev = loc; |
|
8604 } |
|
8605 if (linearHandles) |
|
8606 resetLinear(); |
|
8607 } |
|
8608 |
|
8609 function getWinding(point, curves, horizontal, testContains) { |
|
8610 var tolerance = 0.000001, |
|
8611 tMin = tolerance, |
|
8612 tMax = 1 - tMin, |
|
8613 px = point.x, |
|
8614 py = point.y, |
|
8615 windLeft = 0, |
|
8616 windRight = 0, |
|
8617 roots = [], |
|
8618 abs = Math.abs; |
|
8619 if (horizontal) { |
|
8620 var yTop = -Infinity, |
|
8621 yBottom = Infinity, |
|
8622 yBefore = py - tolerance, |
|
8623 yAfter = py + tolerance; |
|
8624 for (var i = 0, l = curves.length; i < l; i++) { |
|
8625 var values = curves[i].values; |
|
8626 if (Curve.solveCubic(values, 0, px, roots, 0, 1) > 0) { |
|
8627 for (var j = roots.length - 1; j >= 0; j--) { |
|
8628 var y = Curve.evaluate(values, roots[j], 0).y; |
|
8629 if (y < yBefore && y > yTop) { |
|
8630 yTop = y; |
|
8631 } else if (y > yAfter && y < yBottom) { |
|
8632 yBottom = y; |
|
8633 } |
|
8634 } |
|
8635 } |
|
8636 } |
|
8637 yTop = (yTop + py) / 2; |
|
8638 yBottom = (yBottom + py) / 2; |
|
8639 if (yTop > -Infinity) |
|
8640 windLeft = getWinding(new Point(px, yTop), curves); |
|
8641 if (yBottom < Infinity) |
|
8642 windRight = getWinding(new Point(px, yBottom), curves); |
|
8643 } else { |
|
8644 var xBefore = px - tolerance, |
|
8645 xAfter = px + tolerance; |
|
8646 for (var i = 0, l = curves.length; i < l; i++) { |
|
8647 var curve = curves[i], |
|
8648 values = curve.values, |
|
8649 winding = curve.winding, |
|
8650 prevT, |
|
8651 prevX; |
|
8652 if (winding && (winding === 1 |
|
8653 && py >= values[1] && py <= values[7] |
|
8654 || py >= values[7] && py <= values[1]) |
|
8655 && Curve.solveCubic(values, 1, py, roots, 0, 1) === 1) { |
|
8656 var t = roots[0], |
|
8657 x = Curve.evaluate(values, t, 0).x, |
|
8658 slope = Curve.evaluate(values, t, 1).y; |
|
8659 if (!(t > tMax |
|
8660 && (i === l - 1 || curve.next !== curves[i + 1]) |
|
8661 && abs(Curve.evaluate(curve.next.values, 0, 0).x -x) |
|
8662 <= tolerance |
|
8663 || i > 0 && curve.previous === curves[i - 1] |
|
8664 && abs(prevX - x) < tolerance |
|
8665 && prevT > tMax && t < tMin)) { |
|
8666 if (Numerical.isZero(slope) && !Curve.isLinear(values) |
|
8667 || t < tMin && slope * Curve.evaluate( |
|
8668 curve.previous.values, 1, 1).y < 0 |
|
8669 || t > tMax && slope * Curve.evaluate( |
|
8670 curve.next.values, 0, 1).y < 0) { |
|
8671 if (testContains && x >= xBefore && x <= xAfter) { |
|
8672 ++windLeft; |
|
8673 ++windRight; |
|
8674 } |
|
8675 } else if (x <= xBefore) { |
|
8676 windLeft += winding; |
|
8677 } else if (x >= xAfter) { |
|
8678 windRight += winding; |
|
8679 } |
|
8680 } |
|
8681 prevT = t; |
|
8682 prevX = x; |
|
8683 } |
|
8684 } |
|
8685 } |
|
8686 return Math.max(abs(windLeft), abs(windRight)); |
|
8687 } |
|
8688 |
|
8689 function tracePaths(segments, operator, selfOp) { |
|
8690 var paths = [], |
|
8691 tMin = 0.000001, |
|
8692 tMax = 1 - tMin; |
|
8693 for (var i = 0, seg, startSeg, l = segments.length; i < l; i++) { |
|
8694 seg = startSeg = segments[i]; |
|
8695 if (seg._visited || !operator(seg._winding)) |
|
8696 continue; |
|
8697 var path = new Path(Item.NO_INSERT), |
|
8698 inter = seg._intersection, |
|
8699 startInterSeg = inter && inter._segment, |
|
8700 added = false, |
|
8701 dir = 1; |
|
8702 do { |
|
8703 var handleIn = dir > 0 ? seg._handleIn : seg._handleOut, |
|
8704 handleOut = dir > 0 ? seg._handleOut : seg._handleIn, |
|
8705 interSeg; |
|
8706 if (added && (!operator(seg._winding) || selfOp) |
|
8707 && (inter = seg._intersection) |
|
8708 && (interSeg = inter._segment) |
|
8709 && interSeg !== startSeg) { |
|
8710 if (selfOp) { |
|
8711 seg._visited = interSeg._visited; |
|
8712 seg = interSeg; |
|
8713 dir = 1; |
|
8714 } else { |
|
8715 var c1 = seg.getCurve(); |
|
8716 if (dir > 0) |
|
8717 c1 = c1.getPrevious(); |
|
8718 var t1 = c1.getTangentAt(dir < 1 ? tMin : tMax, true), |
|
8719 c4 = interSeg.getCurve(), |
|
8720 c3 = c4.getPrevious(), |
|
8721 t3 = c3.getTangentAt(tMax, true), |
|
8722 t4 = c4.getTangentAt(tMin, true), |
|
8723 w3 = t1.cross(t3), |
|
8724 w4 = t1.cross(t4); |
|
8725 if (w3 * w4 !== 0) { |
|
8726 var curve = w3 < w4 ? c3 : c4, |
|
8727 nextCurve = operator(curve._segment1._winding) |
|
8728 ? curve |
|
8729 : w3 < w4 ? c4 : c3, |
|
8730 nextSeg = nextCurve._segment1; |
|
8731 dir = nextCurve === c3 ? -1 : 1; |
|
8732 if (nextSeg._visited && seg._path !== nextSeg._path |
|
8733 || !operator(nextSeg._winding)) { |
|
8734 dir = 1; |
|
8735 } else { |
|
8736 seg._visited = interSeg._visited; |
|
8737 seg = interSeg; |
|
8738 if (nextSeg._visited) |
|
8739 dir = 1; |
|
8740 } |
|
8741 } else { |
|
8742 dir = 1; |
|
8743 } |
|
8744 } |
|
8745 handleOut = dir > 0 ? seg._handleOut : seg._handleIn; |
|
8746 } |
|
8747 path.add(new Segment(seg._point, added && handleIn, handleOut)); |
|
8748 added = true; |
|
8749 seg._visited = true; |
|
8750 seg = dir > 0 ? seg.getNext() : seg. getPrevious(); |
|
8751 } while (seg && !seg._visited |
|
8752 && seg !== startSeg && seg !== startInterSeg |
|
8753 && (seg._intersection || operator(seg._winding))); |
|
8754 if (seg && (seg === startSeg || seg === startInterSeg)) { |
|
8755 path.firstSegment.setHandleIn((seg === startInterSeg |
|
8756 ? startInterSeg : seg)._handleIn); |
|
8757 path.setClosed(true); |
|
8758 } else { |
|
8759 path.lastSegment._handleOut.set(0, 0); |
|
8760 } |
|
8761 if (path._segments.length > |
|
8762 (path._closed ? path.isPolygon() ? 2 : 0 : 1)) |
|
8763 paths.push(path); |
|
8764 } |
|
8765 return paths; |
|
8766 } |
|
8767 |
|
8768 return { |
|
8769 _getWinding: function(point, horizontal, testContains) { |
|
8770 return getWinding(point, this._getMonoCurves(), |
|
8771 horizontal, testContains); |
|
8772 }, |
|
8773 |
|
8774 unite: function(path) { |
|
8775 return computeBoolean(this, path, 'unite'); |
|
8776 }, |
|
8777 |
|
8778 intersect: function(path) { |
|
8779 return computeBoolean(this, path, 'intersect'); |
|
8780 }, |
|
8781 |
|
8782 subtract: function(path) { |
|
8783 return computeBoolean(this, path, 'subtract'); |
|
8784 }, |
|
8785 |
|
8786 exclude: function(path) { |
|
8787 return computeBoolean(this, path, 'exclude'); |
|
8788 }, |
|
8789 |
|
8790 divide: function(path) { |
|
8791 return new Group([this.subtract(path), this.intersect(path)]); |
|
8792 } |
|
8793 }; |
|
8794 }); |
|
8795 |
|
8796 Path.inject({ |
|
8797 _getMonoCurves: function() { |
|
8798 var monoCurves = this._monoCurves, |
|
8799 prevCurve; |
|
8800 |
|
8801 function insertCurve(v) { |
|
8802 var y0 = v[1], |
|
8803 y1 = v[7], |
|
8804 curve = { |
|
8805 values: v, |
|
8806 winding: y0 === y1 |
|
8807 ? 0 |
|
8808 : y0 > y1 |
|
8809 ? -1 |
|
8810 : 1, |
|
8811 previous: prevCurve, |
|
8812 next: null |
|
8813 }; |
|
8814 if (prevCurve) |
|
8815 prevCurve.next = curve; |
|
8816 monoCurves.push(curve); |
|
8817 prevCurve = curve; |
|
8818 } |
|
8819 |
|
8820 function handleCurve(v) { |
|
8821 if (Curve.getLength(v) === 0) |
|
8822 return; |
|
8823 var y0 = v[1], |
|
8824 y1 = v[3], |
|
8825 y2 = v[5], |
|
8826 y3 = v[7]; |
|
8827 if (Curve.isLinear(v)) { |
|
8828 insertCurve(v); |
|
8829 } else { |
|
8830 var a = 3 * (y1 - y2) - y0 + y3, |
|
8831 b = 2 * (y0 + y2) - 4 * y1, |
|
8832 c = y1 - y0, |
|
8833 tolerance = 0.000001, |
|
8834 roots = []; |
|
8835 var count = Numerical.solveQuadratic(a, b, c, roots, tolerance, |
|
8836 1 - tolerance); |
|
8837 if (count === 0) { |
|
8838 insertCurve(v); |
|
8839 } else { |
|
8840 roots.sort(); |
|
8841 var t = roots[0], |
|
8842 parts = Curve.subdivide(v, t); |
|
8843 insertCurve(parts[0]); |
|
8844 if (count > 1) { |
|
8845 t = (roots[1] - t) / (1 - t); |
|
8846 parts = Curve.subdivide(parts[1], t); |
|
8847 insertCurve(parts[0]); |
|
8848 } |
|
8849 insertCurve(parts[1]); |
|
8850 } |
|
8851 } |
|
8852 } |
|
8853 |
|
8854 if (!monoCurves) { |
|
8855 monoCurves = this._monoCurves = []; |
|
8856 var curves = this.getCurves(), |
|
8857 segments = this._segments; |
|
8858 for (var i = 0, l = curves.length; i < l; i++) |
|
8859 handleCurve(curves[i].getValues()); |
|
8860 if (!this._closed && segments.length > 1) { |
|
8861 var p1 = segments[segments.length - 1]._point, |
|
8862 p2 = segments[0]._point, |
|
8863 p1x = p1._x, p1y = p1._y, |
|
8864 p2x = p2._x, p2y = p2._y; |
|
8865 handleCurve([p1x, p1y, p1x, p1y, p2x, p2y, p2x, p2y]); |
|
8866 } |
|
8867 if (monoCurves.length > 0) { |
|
8868 var first = monoCurves[0], |
|
8869 last = monoCurves[monoCurves.length - 1]; |
|
8870 first.previous = last; |
|
8871 last.next = first; |
|
8872 } |
|
8873 } |
|
8874 return monoCurves; |
|
8875 }, |
|
8876 |
|
8877 getInteriorPoint: function() { |
|
8878 var bounds = this.getBounds(), |
|
8879 point = bounds.getCenter(true); |
|
8880 if (!this.contains(point)) { |
|
8881 var curves = this._getMonoCurves(), |
|
8882 roots = [], |
|
8883 y = point.y, |
|
8884 xIntercepts = []; |
|
8885 for (var i = 0, l = curves.length; i < l; i++) { |
|
8886 var values = curves[i].values; |
|
8887 if ((curves[i].winding === 1 |
|
8888 && y >= values[1] && y <= values[7] |
|
8889 || y >= values[7] && y <= values[1]) |
|
8890 && Curve.solveCubic(values, 1, y, roots, 0, 1) > 0) { |
|
8891 for (var j = roots.length - 1; j >= 0; j--) |
|
8892 xIntercepts.push(Curve.evaluate(values, roots[j], 0).x); |
|
8893 } |
|
8894 if (xIntercepts.length > 1) |
|
8895 break; |
|
8896 } |
|
8897 point.x = (xIntercepts[0] + xIntercepts[1]) / 2; |
|
8898 } |
|
8899 return point; |
|
8900 }, |
|
8901 |
|
8902 reorient: function() { |
|
8903 this.setClockwise(true); |
|
8904 return this; |
|
8905 } |
|
8906 }); |
|
8907 |
|
8908 CompoundPath.inject({ |
|
8909 _getMonoCurves: function() { |
|
8910 var children = this._children, |
|
8911 monoCurves = []; |
|
8912 for (var i = 0, l = children.length; i < l; i++) |
|
8913 monoCurves.push.apply(monoCurves, children[i]._getMonoCurves()); |
|
8914 return monoCurves; |
|
8915 }, |
|
8916 |
|
8917 reorient: function() { |
|
8918 var children = this.removeChildren().sort(function(a, b) { |
|
8919 return b.getBounds().getArea() - a.getBounds().getArea(); |
|
8920 }); |
|
8921 if (children.length > 0) { |
|
8922 this.addChildren(children); |
|
8923 var clockwise = children[0].isClockwise(); |
|
8924 for (var i = 1, l = children.length; i < l; i++) { |
|
8925 var point = children[i].getInteriorPoint(), |
|
8926 counters = 0; |
|
8927 for (var j = i - 1; j >= 0; j--) { |
|
8928 if (children[j].contains(point)) |
|
8929 counters++; |
|
8930 } |
|
8931 children[i].setClockwise(counters % 2 === 0 && clockwise); |
|
8932 } |
|
8933 } |
|
8934 return this; |
|
8935 } |
|
8936 }); |
|
8937 |
|
8938 var PathIterator = Base.extend({ |
|
8939 _class: 'PathIterator', |
|
8940 |
|
8941 initialize: function(path, maxRecursion, tolerance, matrix) { |
|
8942 var curves = [], |
|
8943 parts = [], |
|
8944 length = 0, |
|
8945 minDifference = 1 / (maxRecursion || 32), |
|
8946 segments = path._segments, |
|
8947 segment1 = segments[0], |
|
8948 segment2; |
|
8949 |
|
8950 function addCurve(segment1, segment2) { |
|
8951 var curve = Curve.getValues(segment1, segment2, matrix); |
|
8952 curves.push(curve); |
|
8953 computeParts(curve, segment1._index, 0, 1); |
|
8954 } |
|
8955 |
|
8956 function computeParts(curve, index, minT, maxT) { |
|
8957 if ((maxT - minT) > minDifference |
|
8958 && !Curve.isFlatEnough(curve, tolerance || 0.25)) { |
|
8959 var split = Curve.subdivide(curve), |
|
8960 halfT = (minT + maxT) / 2; |
|
8961 computeParts(split[0], index, minT, halfT); |
|
8962 computeParts(split[1], index, halfT, maxT); |
|
8963 } else { |
|
8964 var x = curve[6] - curve[0], |
|
8965 y = curve[7] - curve[1], |
|
8966 dist = Math.sqrt(x * x + y * y); |
|
8967 if (dist > 0.000001) { |
|
8968 length += dist; |
|
8969 parts.push({ |
|
8970 offset: length, |
|
8971 value: maxT, |
|
8972 index: index |
|
8973 }); |
|
8974 } |
|
8975 } |
|
8976 } |
|
8977 |
|
8978 for (var i = 1, l = segments.length; i < l; i++) { |
|
8979 segment2 = segments[i]; |
|
8980 addCurve(segment1, segment2); |
|
8981 segment1 = segment2; |
|
8982 } |
|
8983 if (path._closed) |
|
8984 addCurve(segment2, segments[0]); |
|
8985 |
|
8986 this.curves = curves; |
|
8987 this.parts = parts; |
|
8988 this.length = length; |
|
8989 this.index = 0; |
|
8990 }, |
|
8991 |
|
8992 getParameterAt: function(offset) { |
|
8993 var i, j = this.index; |
|
8994 for (;;) { |
|
8995 i = j; |
|
8996 if (j == 0 || this.parts[--j].offset < offset) |
|
8997 break; |
|
8998 } |
|
8999 for (var l = this.parts.length; i < l; i++) { |
|
9000 var part = this.parts[i]; |
|
9001 if (part.offset >= offset) { |
|
9002 this.index = i; |
|
9003 var prev = this.parts[i - 1]; |
|
9004 var prevVal = prev && prev.index == part.index ? prev.value : 0, |
|
9005 prevLen = prev ? prev.offset : 0; |
|
9006 return { |
|
9007 value: prevVal + (part.value - prevVal) |
|
9008 * (offset - prevLen) / (part.offset - prevLen), |
|
9009 index: part.index |
|
9010 }; |
|
9011 } |
|
9012 } |
|
9013 var part = this.parts[this.parts.length - 1]; |
|
9014 return { |
|
9015 value: 1, |
|
9016 index: part.index |
|
9017 }; |
|
9018 }, |
|
9019 |
|
9020 evaluate: function(offset, type) { |
|
9021 var param = this.getParameterAt(offset); |
|
9022 return Curve.evaluate(this.curves[param.index], param.value, type); |
|
9023 }, |
|
9024 |
|
9025 drawPart: function(ctx, from, to) { |
|
9026 from = this.getParameterAt(from); |
|
9027 to = this.getParameterAt(to); |
|
9028 for (var i = from.index; i <= to.index; i++) { |
|
9029 var curve = Curve.getPart(this.curves[i], |
|
9030 i == from.index ? from.value : 0, |
|
9031 i == to.index ? to.value : 1); |
|
9032 if (i == from.index) |
|
9033 ctx.moveTo(curve[0], curve[1]); |
|
9034 ctx.bezierCurveTo.apply(ctx, curve.slice(2)); |
|
9035 } |
|
9036 } |
|
9037 }, Base.each(['getPoint', 'getTangent', 'getNormal', 'getCurvature'], |
|
9038 function(name, index) { |
|
9039 this[name + 'At'] = function(offset) { |
|
9040 return this.evaluate(offset, index); |
|
9041 }; |
|
9042 }, {}) |
|
9043 ); |
|
9044 |
|
9045 var PathFitter = Base.extend({ |
|
9046 initialize: function(path, error) { |
|
9047 var points = this.points = [], |
|
9048 segments = path._segments, |
|
9049 prev; |
|
9050 for (var i = 0, l = segments.length; i < l; i++) { |
|
9051 var point = segments[i].point.clone(); |
|
9052 if (!prev || !prev.equals(point)) { |
|
9053 points.push(point); |
|
9054 prev = point; |
|
9055 } |
|
9056 } |
|
9057 |
|
9058 if (path._closed) { |
|
9059 this.closed = true; |
|
9060 points.unshift(points[points.length - 1]); |
|
9061 points.push(points[1]); |
|
9062 } |
|
9063 |
|
9064 this.error = error; |
|
9065 }, |
|
9066 |
|
9067 fit: function() { |
|
9068 var points = this.points, |
|
9069 length = points.length, |
|
9070 segments = this.segments = length > 0 |
|
9071 ? [new Segment(points[0])] : []; |
|
9072 if (length > 1) |
|
9073 this.fitCubic(0, length - 1, |
|
9074 points[1].subtract(points[0]).normalize(), |
|
9075 points[length - 2].subtract(points[length - 1]).normalize()); |
|
9076 |
|
9077 if (this.closed) { |
|
9078 segments.shift(); |
|
9079 segments.pop(); |
|
9080 } |
|
9081 |
|
9082 return segments; |
|
9083 }, |
|
9084 |
|
9085 fitCubic: function(first, last, tan1, tan2) { |
|
9086 if (last - first == 1) { |
|
9087 var pt1 = this.points[first], |
|
9088 pt2 = this.points[last], |
|
9089 dist = pt1.getDistance(pt2) / 3; |
|
9090 this.addCurve([pt1, pt1.add(tan1.normalize(dist)), |
|
9091 pt2.add(tan2.normalize(dist)), pt2]); |
|
9092 return; |
|
9093 } |
|
9094 var uPrime = this.chordLengthParameterize(first, last), |
|
9095 maxError = Math.max(this.error, this.error * this.error), |
|
9096 split; |
|
9097 for (var i = 0; i <= 4; i++) { |
|
9098 var curve = this.generateBezier(first, last, uPrime, tan1, tan2); |
|
9099 var max = this.findMaxError(first, last, curve, uPrime); |
|
9100 if (max.error < this.error) { |
|
9101 this.addCurve(curve); |
|
9102 return; |
|
9103 } |
|
9104 split = max.index; |
|
9105 if (max.error >= maxError) |
|
9106 break; |
|
9107 this.reparameterize(first, last, uPrime, curve); |
|
9108 maxError = max.error; |
|
9109 } |
|
9110 var V1 = this.points[split - 1].subtract(this.points[split]), |
|
9111 V2 = this.points[split].subtract(this.points[split + 1]), |
|
9112 tanCenter = V1.add(V2).divide(2).normalize(); |
|
9113 this.fitCubic(first, split, tan1, tanCenter); |
|
9114 this.fitCubic(split, last, tanCenter.negate(), tan2); |
|
9115 }, |
|
9116 |
|
9117 addCurve: function(curve) { |
|
9118 var prev = this.segments[this.segments.length - 1]; |
|
9119 prev.setHandleOut(curve[1].subtract(curve[0])); |
|
9120 this.segments.push( |
|
9121 new Segment(curve[3], curve[2].subtract(curve[3]))); |
|
9122 }, |
|
9123 |
|
9124 generateBezier: function(first, last, uPrime, tan1, tan2) { |
|
9125 var epsilon = 1e-12, |
|
9126 pt1 = this.points[first], |
|
9127 pt2 = this.points[last], |
|
9128 C = [[0, 0], [0, 0]], |
|
9129 X = [0, 0]; |
|
9130 |
|
9131 for (var i = 0, l = last - first + 1; i < l; i++) { |
|
9132 var u = uPrime[i], |
|
9133 t = 1 - u, |
|
9134 b = 3 * u * t, |
|
9135 b0 = t * t * t, |
|
9136 b1 = b * t, |
|
9137 b2 = b * u, |
|
9138 b3 = u * u * u, |
|
9139 a1 = tan1.normalize(b1), |
|
9140 a2 = tan2.normalize(b2), |
|
9141 tmp = this.points[first + i] |
|
9142 .subtract(pt1.multiply(b0 + b1)) |
|
9143 .subtract(pt2.multiply(b2 + b3)); |
|
9144 C[0][0] += a1.dot(a1); |
|
9145 C[0][1] += a1.dot(a2); |
|
9146 C[1][0] = C[0][1]; |
|
9147 C[1][1] += a2.dot(a2); |
|
9148 X[0] += a1.dot(tmp); |
|
9149 X[1] += a2.dot(tmp); |
|
9150 } |
|
9151 |
|
9152 var detC0C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1], |
|
9153 alpha1, alpha2; |
|
9154 if (Math.abs(detC0C1) > epsilon) { |
|
9155 var detC0X = C[0][0] * X[1] - C[1][0] * X[0], |
|
9156 detXC1 = X[0] * C[1][1] - X[1] * C[0][1]; |
|
9157 alpha1 = detXC1 / detC0C1; |
|
9158 alpha2 = detC0X / detC0C1; |
|
9159 } else { |
|
9160 var c0 = C[0][0] + C[0][1], |
|
9161 c1 = C[1][0] + C[1][1]; |
|
9162 if (Math.abs(c0) > epsilon) { |
|
9163 alpha1 = alpha2 = X[0] / c0; |
|
9164 } else if (Math.abs(c1) > epsilon) { |
|
9165 alpha1 = alpha2 = X[1] / c1; |
|
9166 } else { |
|
9167 alpha1 = alpha2 = 0; |
|
9168 } |
|
9169 } |
|
9170 |
|
9171 var segLength = pt2.getDistance(pt1); |
|
9172 epsilon *= segLength; |
|
9173 if (alpha1 < epsilon || alpha2 < epsilon) { |
|
9174 alpha1 = alpha2 = segLength / 3; |
|
9175 } |
|
9176 |
|
9177 return [pt1, pt1.add(tan1.normalize(alpha1)), |
|
9178 pt2.add(tan2.normalize(alpha2)), pt2]; |
|
9179 }, |
|
9180 |
|
9181 reparameterize: function(first, last, u, curve) { |
|
9182 for (var i = first; i <= last; i++) { |
|
9183 u[i - first] = this.findRoot(curve, this.points[i], u[i - first]); |
|
9184 } |
|
9185 }, |
|
9186 |
|
9187 findRoot: function(curve, point, u) { |
|
9188 var curve1 = [], |
|
9189 curve2 = []; |
|
9190 for (var i = 0; i <= 2; i++) { |
|
9191 curve1[i] = curve[i + 1].subtract(curve[i]).multiply(3); |
|
9192 } |
|
9193 for (var i = 0; i <= 1; i++) { |
|
9194 curve2[i] = curve1[i + 1].subtract(curve1[i]).multiply(2); |
|
9195 } |
|
9196 var pt = this.evaluate(3, curve, u), |
|
9197 pt1 = this.evaluate(2, curve1, u), |
|
9198 pt2 = this.evaluate(1, curve2, u), |
|
9199 diff = pt.subtract(point), |
|
9200 df = pt1.dot(pt1) + diff.dot(pt2); |
|
9201 if (Math.abs(df) < 0.000001) |
|
9202 return u; |
|
9203 return u - diff.dot(pt1) / df; |
|
9204 }, |
|
9205 |
|
9206 evaluate: function(degree, curve, t) { |
|
9207 var tmp = curve.slice(); |
|
9208 for (var i = 1; i <= degree; i++) { |
|
9209 for (var j = 0; j <= degree - i; j++) { |
|
9210 tmp[j] = tmp[j].multiply(1 - t).add(tmp[j + 1].multiply(t)); |
|
9211 } |
|
9212 } |
|
9213 return tmp[0]; |
|
9214 }, |
|
9215 |
|
9216 chordLengthParameterize: function(first, last) { |
|
9217 var u = [0]; |
|
9218 for (var i = first + 1; i <= last; i++) { |
|
9219 u[i - first] = u[i - first - 1] |
|
9220 + this.points[i].getDistance(this.points[i - 1]); |
|
9221 } |
|
9222 for (var i = 1, m = last - first; i <= m; i++) { |
|
9223 u[i] /= u[m]; |
|
9224 } |
|
9225 return u; |
|
9226 }, |
|
9227 |
|
9228 findMaxError: function(first, last, curve, u) { |
|
9229 var index = Math.floor((last - first + 1) / 2), |
|
9230 maxDist = 0; |
|
9231 for (var i = first + 1; i < last; i++) { |
|
9232 var P = this.evaluate(3, curve, u[i - first]); |
|
9233 var v = P.subtract(this.points[i]); |
|
9234 var dist = v.x * v.x + v.y * v.y; |
|
9235 if (dist >= maxDist) { |
|
9236 maxDist = dist; |
|
9237 index = i; |
|
9238 } |
|
9239 } |
|
9240 return { |
|
9241 error: maxDist, |
|
9242 index: index |
|
9243 }; |
|
9244 } |
|
9245 }); |
|
9246 |
|
9247 var TextItem = Item.extend({ |
|
9248 _class: 'TextItem', |
|
9249 _boundsSelected: true, |
|
9250 _applyMatrix: false, |
|
9251 _canApplyMatrix: false, |
|
9252 _serializeFields: { |
|
9253 content: null |
|
9254 }, |
|
9255 _boundsGetter: 'getBounds', |
|
9256 |
|
9257 initialize: function TextItem(arg) { |
|
9258 this._content = ''; |
|
9259 this._lines = []; |
|
9260 var hasProps = arg && Base.isPlainObject(arg) |
|
9261 && arg.x === undefined && arg.y === undefined; |
|
9262 this._initialize(hasProps && arg, !hasProps && Point.read(arguments)); |
|
9263 }, |
|
9264 |
|
9265 _equals: function(item) { |
|
9266 return this._content === item._content; |
|
9267 }, |
|
9268 |
|
9269 _clone: function _clone(copy, insert) { |
|
9270 copy.setContent(this._content); |
|
9271 return _clone.base.call(this, copy, insert); |
|
9272 }, |
|
9273 |
|
9274 getContent: function() { |
|
9275 return this._content; |
|
9276 }, |
|
9277 |
|
9278 setContent: function(content) { |
|
9279 this._content = '' + content; |
|
9280 this._lines = this._content.split(/\r\n|\n|\r/mg); |
|
9281 this._changed(265); |
|
9282 }, |
|
9283 |
|
9284 isEmpty: function() { |
|
9285 return !this._content; |
|
9286 }, |
|
9287 |
|
9288 getCharacterStyle: '#getStyle', |
|
9289 setCharacterStyle: '#setStyle', |
|
9290 |
|
9291 getParagraphStyle: '#getStyle', |
|
9292 setParagraphStyle: '#setStyle' |
|
9293 }); |
|
9294 |
|
9295 var PointText = TextItem.extend({ |
|
9296 _class: 'PointText', |
|
9297 |
|
9298 initialize: function PointText() { |
|
9299 TextItem.apply(this, arguments); |
|
9300 }, |
|
9301 |
|
9302 clone: function(insert) { |
|
9303 return this._clone(new PointText(Item.NO_INSERT), insert); |
|
9304 }, |
|
9305 |
|
9306 getPoint: function() { |
|
9307 var point = this._matrix.getTranslation(); |
|
9308 return new LinkedPoint(point.x, point.y, this, 'setPoint'); |
|
9309 }, |
|
9310 |
|
9311 setPoint: function() { |
|
9312 var point = Point.read(arguments); |
|
9313 this.translate(point.subtract(this._matrix.getTranslation())); |
|
9314 }, |
|
9315 |
|
9316 _draw: function(ctx) { |
|
9317 if (!this._content) |
|
9318 return; |
|
9319 this._setStyles(ctx); |
|
9320 var style = this._style, |
|
9321 lines = this._lines, |
|
9322 leading = style.getLeading(), |
|
9323 shadowColor = ctx.shadowColor; |
|
9324 ctx.font = style.getFontStyle(); |
|
9325 ctx.textAlign = style.getJustification(); |
|
9326 for (var i = 0, l = lines.length; i < l; i++) { |
|
9327 ctx.shadowColor = shadowColor; |
|
9328 var line = lines[i]; |
|
9329 if (style.hasFill()) { |
|
9330 ctx.fillText(line, 0, 0); |
|
9331 ctx.shadowColor = 'rgba(0,0,0,0)'; |
|
9332 } |
|
9333 if (style.hasStroke()) |
|
9334 ctx.strokeText(line, 0, 0); |
|
9335 ctx.translate(0, leading); |
|
9336 } |
|
9337 }, |
|
9338 |
|
9339 _getBounds: function(getter, matrix) { |
|
9340 var style = this._style, |
|
9341 lines = this._lines, |
|
9342 numLines = lines.length, |
|
9343 justification = style.getJustification(), |
|
9344 leading = style.getLeading(), |
|
9345 width = this.getView().getTextWidth(style.getFontStyle(), lines), |
|
9346 x = 0; |
|
9347 if (justification !== 'left') |
|
9348 x -= width / (justification === 'center' ? 2: 1); |
|
9349 var bounds = new Rectangle(x, |
|
9350 numLines ? - 0.75 * leading : 0, |
|
9351 width, numLines * leading); |
|
9352 return matrix ? matrix._transformBounds(bounds, bounds) : bounds; |
|
9353 } |
|
9354 }); |
|
9355 |
|
9356 var Color = Base.extend(new function() { |
|
9357 var types = { |
|
9358 gray: ['gray'], |
|
9359 rgb: ['red', 'green', 'blue'], |
|
9360 hsb: ['hue', 'saturation', 'brightness'], |
|
9361 hsl: ['hue', 'saturation', 'lightness'], |
|
9362 gradient: ['gradient', 'origin', 'destination', 'highlight'] |
|
9363 }; |
|
9364 |
|
9365 var componentParsers = {}, |
|
9366 colorCache = {}, |
|
9367 colorCtx; |
|
9368 |
|
9369 function fromCSS(string) { |
|
9370 var match = string.match(/^#(\w{1,2})(\w{1,2})(\w{1,2})$/), |
|
9371 components; |
|
9372 if (match) { |
|
9373 components = [0, 0, 0]; |
|
9374 for (var i = 0; i < 3; i++) { |
|
9375 var value = match[i + 1]; |
|
9376 components[i] = parseInt(value.length == 1 |
|
9377 ? value + value : value, 16) / 255; |
|
9378 } |
|
9379 } else if (match = string.match(/^rgba?\((.*)\)$/)) { |
|
9380 components = match[1].split(','); |
|
9381 for (var i = 0, l = components.length; i < l; i++) { |
|
9382 var value = +components[i]; |
|
9383 components[i] = i < 3 ? value / 255 : value; |
|
9384 } |
|
9385 } else { |
|
9386 var cached = colorCache[string]; |
|
9387 if (!cached) { |
|
9388 if (!colorCtx) { |
|
9389 colorCtx = CanvasProvider.getContext(1, 1); |
|
9390 colorCtx.globalCompositeOperation = 'copy'; |
|
9391 } |
|
9392 colorCtx.fillStyle = 'rgba(0,0,0,0)'; |
|
9393 colorCtx.fillStyle = string; |
|
9394 colorCtx.fillRect(0, 0, 1, 1); |
|
9395 var data = colorCtx.getImageData(0, 0, 1, 1).data; |
|
9396 cached = colorCache[string] = [ |
|
9397 data[0] / 255, |
|
9398 data[1] / 255, |
|
9399 data[2] / 255 |
|
9400 ]; |
|
9401 } |
|
9402 components = cached.slice(); |
|
9403 } |
|
9404 return components; |
|
9405 } |
|
9406 |
|
9407 var hsbIndices = [ |
|
9408 [0, 3, 1], |
|
9409 [2, 0, 1], |
|
9410 [1, 0, 3], |
|
9411 [1, 2, 0], |
|
9412 [3, 1, 0], |
|
9413 [0, 1, 2] |
|
9414 ]; |
|
9415 |
|
9416 var converters = { |
|
9417 'rgb-hsb': function(r, g, b) { |
|
9418 var max = Math.max(r, g, b), |
|
9419 min = Math.min(r, g, b), |
|
9420 delta = max - min, |
|
9421 h = delta === 0 ? 0 |
|
9422 : ( max == r ? (g - b) / delta + (g < b ? 6 : 0) |
|
9423 : max == g ? (b - r) / delta + 2 |
|
9424 : (r - g) / delta + 4) * 60; |
|
9425 return [h, max === 0 ? 0 : delta / max, max]; |
|
9426 }, |
|
9427 |
|
9428 'hsb-rgb': function(h, s, b) { |
|
9429 h = (((h / 60) % 6) + 6) % 6; |
|
9430 var i = Math.floor(h), |
|
9431 f = h - i, |
|
9432 i = hsbIndices[i], |
|
9433 v = [ |
|
9434 b, |
|
9435 b * (1 - s), |
|
9436 b * (1 - s * f), |
|
9437 b * (1 - s * (1 - f)) |
|
9438 ]; |
|
9439 return [v[i[0]], v[i[1]], v[i[2]]]; |
|
9440 }, |
|
9441 |
|
9442 'rgb-hsl': function(r, g, b) { |
|
9443 var max = Math.max(r, g, b), |
|
9444 min = Math.min(r, g, b), |
|
9445 delta = max - min, |
|
9446 achromatic = delta === 0, |
|
9447 h = achromatic ? 0 |
|
9448 : ( max == r ? (g - b) / delta + (g < b ? 6 : 0) |
|
9449 : max == g ? (b - r) / delta + 2 |
|
9450 : (r - g) / delta + 4) * 60, |
|
9451 l = (max + min) / 2, |
|
9452 s = achromatic ? 0 : l < 0.5 |
|
9453 ? delta / (max + min) |
|
9454 : delta / (2 - max - min); |
|
9455 return [h, s, l]; |
|
9456 }, |
|
9457 |
|
9458 'hsl-rgb': function(h, s, l) { |
|
9459 h = (((h / 360) % 1) + 1) % 1; |
|
9460 if (s === 0) |
|
9461 return [l, l, l]; |
|
9462 var t3s = [ h + 1 / 3, h, h - 1 / 3 ], |
|
9463 t2 = l < 0.5 ? l * (1 + s) : l + s - l * s, |
|
9464 t1 = 2 * l - t2, |
|
9465 c = []; |
|
9466 for (var i = 0; i < 3; i++) { |
|
9467 var t3 = t3s[i]; |
|
9468 if (t3 < 0) t3 += 1; |
|
9469 if (t3 > 1) t3 -= 1; |
|
9470 c[i] = 6 * t3 < 1 |
|
9471 ? t1 + (t2 - t1) * 6 * t3 |
|
9472 : 2 * t3 < 1 |
|
9473 ? t2 |
|
9474 : 3 * t3 < 2 |
|
9475 ? t1 + (t2 - t1) * ((2 / 3) - t3) * 6 |
|
9476 : t1; |
|
9477 } |
|
9478 return c; |
|
9479 }, |
|
9480 |
|
9481 'rgb-gray': function(r, g, b) { |
|
9482 return [r * 0.2989 + g * 0.587 + b * 0.114]; |
|
9483 }, |
|
9484 |
|
9485 'gray-rgb': function(g) { |
|
9486 return [g, g, g]; |
|
9487 }, |
|
9488 |
|
9489 'gray-hsb': function(g) { |
|
9490 return [0, 0, g]; |
|
9491 }, |
|
9492 |
|
9493 'gray-hsl': function(g) { |
|
9494 return [0, 0, g]; |
|
9495 }, |
|
9496 |
|
9497 'gradient-rgb': function() { |
|
9498 return []; |
|
9499 }, |
|
9500 |
|
9501 'rgb-gradient': function() { |
|
9502 return []; |
|
9503 } |
|
9504 |
|
9505 }; |
|
9506 |
|
9507 return Base.each(types, function(properties, type) { |
|
9508 componentParsers[type] = []; |
|
9509 Base.each(properties, function(name, index) { |
|
9510 var part = Base.capitalize(name), |
|
9511 hasOverlap = /^(hue|saturation)$/.test(name), |
|
9512 parser = componentParsers[type][index] = name === 'gradient' |
|
9513 ? function(value) { |
|
9514 var current = this._components[0]; |
|
9515 value = Gradient.read(Array.isArray(value) ? value |
|
9516 : arguments, 0, { readNull: true }); |
|
9517 if (current !== value) { |
|
9518 if (current) |
|
9519 current._removeOwner(this); |
|
9520 if (value) |
|
9521 value._addOwner(this); |
|
9522 } |
|
9523 return value; |
|
9524 } |
|
9525 : type === 'gradient' |
|
9526 ? function() { |
|
9527 return Point.read(arguments, 0, { |
|
9528 readNull: name === 'highlight', |
|
9529 clone: true |
|
9530 }); |
|
9531 } |
|
9532 : function(value) { |
|
9533 return value == null || isNaN(value) ? 0 : value; |
|
9534 }; |
|
9535 |
|
9536 this['get' + part] = function() { |
|
9537 return this._type === type |
|
9538 || hasOverlap && /^hs[bl]$/.test(this._type) |
|
9539 ? this._components[index] |
|
9540 : this._convert(type)[index]; |
|
9541 }; |
|
9542 |
|
9543 this['set' + part] = function(value) { |
|
9544 if (this._type !== type |
|
9545 && !(hasOverlap && /^hs[bl]$/.test(this._type))) { |
|
9546 this._components = this._convert(type); |
|
9547 this._properties = types[type]; |
|
9548 this._type = type; |
|
9549 } |
|
9550 value = parser.call(this, value); |
|
9551 if (value != null) { |
|
9552 this._components[index] = value; |
|
9553 this._changed(); |
|
9554 } |
|
9555 }; |
|
9556 }, this); |
|
9557 }, { |
|
9558 _class: 'Color', |
|
9559 _readIndex: true, |
|
9560 |
|
9561 initialize: function Color(arg) { |
|
9562 var slice = Array.prototype.slice, |
|
9563 args = arguments, |
|
9564 read = 0, |
|
9565 type, |
|
9566 components, |
|
9567 alpha, |
|
9568 values; |
|
9569 if (Array.isArray(arg)) { |
|
9570 args = arg; |
|
9571 arg = args[0]; |
|
9572 } |
|
9573 var argType = arg != null && typeof arg; |
|
9574 if (argType === 'string' && arg in types) { |
|
9575 type = arg; |
|
9576 arg = args[1]; |
|
9577 if (Array.isArray(arg)) { |
|
9578 components = arg; |
|
9579 alpha = args[2]; |
|
9580 } else { |
|
9581 if (this.__read) |
|
9582 read = 1; |
|
9583 args = slice.call(args, 1); |
|
9584 argType = typeof arg; |
|
9585 } |
|
9586 } |
|
9587 if (!components) { |
|
9588 values = argType === 'number' |
|
9589 ? args |
|
9590 : argType === 'object' && arg.length != null |
|
9591 ? arg |
|
9592 : null; |
|
9593 if (values) { |
|
9594 if (!type) |
|
9595 type = values.length >= 3 |
|
9596 ? 'rgb' |
|
9597 : 'gray'; |
|
9598 var length = types[type].length; |
|
9599 alpha = values[length]; |
|
9600 if (this.__read) |
|
9601 read += values === arguments |
|
9602 ? length + (alpha != null ? 1 : 0) |
|
9603 : 1; |
|
9604 if (values.length > length) |
|
9605 values = slice.call(values, 0, length); |
|
9606 } else if (argType === 'string') { |
|
9607 type = 'rgb'; |
|
9608 components = fromCSS(arg); |
|
9609 if (components.length === 4) { |
|
9610 alpha = components[3]; |
|
9611 components.length--; |
|
9612 } |
|
9613 } else if (argType === 'object') { |
|
9614 if (arg.constructor === Color) { |
|
9615 type = arg._type; |
|
9616 components = arg._components.slice(); |
|
9617 alpha = arg._alpha; |
|
9618 if (type === 'gradient') { |
|
9619 for (var i = 1, l = components.length; i < l; i++) { |
|
9620 var point = components[i]; |
|
9621 if (point) |
|
9622 components[i] = point.clone(); |
|
9623 } |
|
9624 } |
|
9625 } else if (arg.constructor === Gradient) { |
|
9626 type = 'gradient'; |
|
9627 values = args; |
|
9628 } else { |
|
9629 type = 'hue' in arg |
|
9630 ? 'lightness' in arg |
|
9631 ? 'hsl' |
|
9632 : 'hsb' |
|
9633 : 'gradient' in arg || 'stops' in arg |
|
9634 || 'radial' in arg |
|
9635 ? 'gradient' |
|
9636 : 'gray' in arg |
|
9637 ? 'gray' |
|
9638 : 'rgb'; |
|
9639 var properties = types[type]; |
|
9640 parsers = componentParsers[type]; |
|
9641 this._components = components = []; |
|
9642 for (var i = 0, l = properties.length; i < l; i++) { |
|
9643 var value = arg[properties[i]]; |
|
9644 if (value == null && i === 0 && type === 'gradient' |
|
9645 && 'stops' in arg) { |
|
9646 value = { |
|
9647 stops: arg.stops, |
|
9648 radial: arg.radial |
|
9649 }; |
|
9650 } |
|
9651 value = parsers[i].call(this, value); |
|
9652 if (value != null) |
|
9653 components[i] = value; |
|
9654 } |
|
9655 alpha = arg.alpha; |
|
9656 } |
|
9657 } |
|
9658 if (this.__read && type) |
|
9659 read = 1; |
|
9660 } |
|
9661 this._type = type || 'rgb'; |
|
9662 if (type === 'gradient') |
|
9663 this._id = Color._id = (Color._id || 0) + 1; |
|
9664 if (!components) { |
|
9665 this._components = components = []; |
|
9666 var parsers = componentParsers[this._type]; |
|
9667 for (var i = 0, l = parsers.length; i < l; i++) { |
|
9668 var value = parsers[i].call(this, values && values[i]); |
|
9669 if (value != null) |
|
9670 components[i] = value; |
|
9671 } |
|
9672 } |
|
9673 this._components = components; |
|
9674 this._properties = types[this._type]; |
|
9675 this._alpha = alpha; |
|
9676 if (this.__read) |
|
9677 this.__read = read; |
|
9678 }, |
|
9679 |
|
9680 _serialize: function(options, dictionary) { |
|
9681 var components = this.getComponents(); |
|
9682 return Base.serialize( |
|
9683 /^(gray|rgb)$/.test(this._type) |
|
9684 ? components |
|
9685 : [this._type].concat(components), |
|
9686 options, true, dictionary); |
|
9687 }, |
|
9688 |
|
9689 _changed: function() { |
|
9690 this._canvasStyle = null; |
|
9691 if (this._owner) |
|
9692 this._owner._changed(65); |
|
9693 }, |
|
9694 |
|
9695 _convert: function(type) { |
|
9696 var converter; |
|
9697 return this._type === type |
|
9698 ? this._components.slice() |
|
9699 : (converter = converters[this._type + '-' + type]) |
|
9700 ? converter.apply(this, this._components) |
|
9701 : converters['rgb-' + type].apply(this, |
|
9702 converters[this._type + '-rgb'].apply(this, |
|
9703 this._components)); |
|
9704 }, |
|
9705 |
|
9706 convert: function(type) { |
|
9707 return new Color(type, this._convert(type), this._alpha); |
|
9708 }, |
|
9709 |
|
9710 getType: function() { |
|
9711 return this._type; |
|
9712 }, |
|
9713 |
|
9714 setType: function(type) { |
|
9715 this._components = this._convert(type); |
|
9716 this._properties = types[type]; |
|
9717 this._type = type; |
|
9718 }, |
|
9719 |
|
9720 getComponents: function() { |
|
9721 var components = this._components.slice(); |
|
9722 if (this._alpha != null) |
|
9723 components.push(this._alpha); |
|
9724 return components; |
|
9725 }, |
|
9726 |
|
9727 getAlpha: function() { |
|
9728 return this._alpha != null ? this._alpha : 1; |
|
9729 }, |
|
9730 |
|
9731 setAlpha: function(alpha) { |
|
9732 this._alpha = alpha == null ? null : Math.min(Math.max(alpha, 0), 1); |
|
9733 this._changed(); |
|
9734 }, |
|
9735 |
|
9736 hasAlpha: function() { |
|
9737 return this._alpha != null; |
|
9738 }, |
|
9739 |
|
9740 equals: function(color) { |
|
9741 var col = Base.isPlainValue(color, true) |
|
9742 ? Color.read(arguments) |
|
9743 : color; |
|
9744 return col === this || col && this._class === col._class |
|
9745 && this._type === col._type |
|
9746 && this._alpha === col._alpha |
|
9747 && Base.equals(this._components, col._components) |
|
9748 || false; |
|
9749 }, |
|
9750 |
|
9751 toString: function() { |
|
9752 var properties = this._properties, |
|
9753 parts = [], |
|
9754 isGradient = this._type === 'gradient', |
|
9755 f = Formatter.instance; |
|
9756 for (var i = 0, l = properties.length; i < l; i++) { |
|
9757 var value = this._components[i]; |
|
9758 if (value != null) |
|
9759 parts.push(properties[i] + ': ' |
|
9760 + (isGradient ? value : f.number(value))); |
|
9761 } |
|
9762 if (this._alpha != null) |
|
9763 parts.push('alpha: ' + f.number(this._alpha)); |
|
9764 return '{ ' + parts.join(', ') + ' }'; |
|
9765 }, |
|
9766 |
|
9767 toCSS: function(hex) { |
|
9768 var components = this._convert('rgb'), |
|
9769 alpha = hex || this._alpha == null ? 1 : this._alpha; |
|
9770 function convert(val) { |
|
9771 return Math.round((val < 0 ? 0 : val > 1 ? 1 : val) * 255); |
|
9772 } |
|
9773 components = [ |
|
9774 convert(components[0]), |
|
9775 convert(components[1]), |
|
9776 convert(components[2]) |
|
9777 ]; |
|
9778 if (alpha < 1) |
|
9779 components.push(alpha < 0 ? 0 : alpha); |
|
9780 return hex |
|
9781 ? '#' + ((1 << 24) + (components[0] << 16) |
|
9782 + (components[1] << 8) |
|
9783 + components[2]).toString(16).slice(1) |
|
9784 : (components.length == 4 ? 'rgba(' : 'rgb(') |
|
9785 + components.join(',') + ')'; |
|
9786 }, |
|
9787 |
|
9788 toCanvasStyle: function(ctx) { |
|
9789 if (this._canvasStyle) |
|
9790 return this._canvasStyle; |
|
9791 if (this._type !== 'gradient') |
|
9792 return this._canvasStyle = this.toCSS(); |
|
9793 var components = this._components, |
|
9794 gradient = components[0], |
|
9795 stops = gradient._stops, |
|
9796 origin = components[1], |
|
9797 destination = components[2], |
|
9798 canvasGradient; |
|
9799 if (gradient._radial) { |
|
9800 var radius = destination.getDistance(origin), |
|
9801 highlight = components[3]; |
|
9802 if (highlight) { |
|
9803 var vector = highlight.subtract(origin); |
|
9804 if (vector.getLength() > radius) |
|
9805 highlight = origin.add(vector.normalize(radius - 0.1)); |
|
9806 } |
|
9807 var start = highlight || origin; |
|
9808 canvasGradient = ctx.createRadialGradient(start.x, start.y, |
|
9809 0, origin.x, origin.y, radius); |
|
9810 } else { |
|
9811 canvasGradient = ctx.createLinearGradient(origin.x, origin.y, |
|
9812 destination.x, destination.y); |
|
9813 } |
|
9814 for (var i = 0, l = stops.length; i < l; i++) { |
|
9815 var stop = stops[i]; |
|
9816 canvasGradient.addColorStop(stop._rampPoint, |
|
9817 stop._color.toCanvasStyle()); |
|
9818 } |
|
9819 return this._canvasStyle = canvasGradient; |
|
9820 }, |
|
9821 |
|
9822 transform: function(matrix) { |
|
9823 if (this._type === 'gradient') { |
|
9824 var components = this._components; |
|
9825 for (var i = 1, l = components.length; i < l; i++) { |
|
9826 var point = components[i]; |
|
9827 matrix._transformPoint(point, point, true); |
|
9828 } |
|
9829 this._changed(); |
|
9830 } |
|
9831 }, |
|
9832 |
|
9833 statics: { |
|
9834 _types: types, |
|
9835 |
|
9836 random: function() { |
|
9837 var random = Math.random; |
|
9838 return new Color(random(), random(), random()); |
|
9839 } |
|
9840 } |
|
9841 }); |
|
9842 }, new function() { |
|
9843 var operators = { |
|
9844 add: function(a, b) { |
|
9845 return a + b; |
|
9846 }, |
|
9847 |
|
9848 subtract: function(a, b) { |
|
9849 return a - b; |
|
9850 }, |
|
9851 |
|
9852 multiply: function(a, b) { |
|
9853 return a * b; |
|
9854 }, |
|
9855 |
|
9856 divide: function(a, b) { |
|
9857 return a / b; |
|
9858 } |
|
9859 }; |
|
9860 |
|
9861 return Base.each(operators, function(operator, name) { |
|
9862 this[name] = function(color) { |
|
9863 color = Color.read(arguments); |
|
9864 var type = this._type, |
|
9865 components1 = this._components, |
|
9866 components2 = color._convert(type); |
|
9867 for (var i = 0, l = components1.length; i < l; i++) |
|
9868 components2[i] = operator(components1[i], components2[i]); |
|
9869 return new Color(type, components2, |
|
9870 this._alpha != null |
|
9871 ? operator(this._alpha, color.getAlpha()) |
|
9872 : null); |
|
9873 }; |
|
9874 }, { |
|
9875 }); |
|
9876 }); |
|
9877 |
|
9878 Base.each(Color._types, function(properties, type) { |
|
9879 var ctor = this[Base.capitalize(type) + 'Color'] = function(arg) { |
|
9880 var argType = arg != null && typeof arg, |
|
9881 components = argType === 'object' && arg.length != null |
|
9882 ? arg |
|
9883 : argType === 'string' |
|
9884 ? null |
|
9885 : arguments; |
|
9886 return components |
|
9887 ? new Color(type, components) |
|
9888 : new Color(arg); |
|
9889 }; |
|
9890 if (type.length == 3) { |
|
9891 var acronym = type.toUpperCase(); |
|
9892 Color[acronym] = this[acronym + 'Color'] = ctor; |
|
9893 } |
|
9894 }, Base.exports); |
|
9895 |
|
9896 var Gradient = Base.extend({ |
|
9897 _class: 'Gradient', |
|
9898 |
|
9899 initialize: function Gradient(stops, radial) { |
|
9900 this._id = Gradient._id = (Gradient._id || 0) + 1; |
|
9901 if (stops && this._set(stops)) |
|
9902 stops = radial = null; |
|
9903 if (!this._stops) |
|
9904 this.setStops(stops || ['white', 'black']); |
|
9905 if (this._radial == null) |
|
9906 this.setRadial(typeof radial === 'string' && radial === 'radial' |
|
9907 || radial || false); |
|
9908 }, |
|
9909 |
|
9910 _serialize: function(options, dictionary) { |
|
9911 return dictionary.add(this, function() { |
|
9912 return Base.serialize([this._stops, this._radial], |
|
9913 options, true, dictionary); |
|
9914 }); |
|
9915 }, |
|
9916 |
|
9917 _changed: function() { |
|
9918 for (var i = 0, l = this._owners && this._owners.length; i < l; i++) |
|
9919 this._owners[i]._changed(); |
|
9920 }, |
|
9921 |
|
9922 _addOwner: function(color) { |
|
9923 if (!this._owners) |
|
9924 this._owners = []; |
|
9925 this._owners.push(color); |
|
9926 }, |
|
9927 |
|
9928 _removeOwner: function(color) { |
|
9929 var index = this._owners ? this._owners.indexOf(color) : -1; |
|
9930 if (index != -1) { |
|
9931 this._owners.splice(index, 1); |
|
9932 if (this._owners.length === 0) |
|
9933 this._owners = undefined; |
|
9934 } |
|
9935 }, |
|
9936 |
|
9937 clone: function() { |
|
9938 var stops = []; |
|
9939 for (var i = 0, l = this._stops.length; i < l; i++) |
|
9940 stops[i] = this._stops[i].clone(); |
|
9941 return new Gradient(stops); |
|
9942 }, |
|
9943 |
|
9944 getStops: function() { |
|
9945 return this._stops; |
|
9946 }, |
|
9947 |
|
9948 setStops: function(stops) { |
|
9949 if (this.stops) { |
|
9950 for (var i = 0, l = this._stops.length; i < l; i++) |
|
9951 this._stops[i]._owner = undefined; |
|
9952 } |
|
9953 if (stops.length < 2) |
|
9954 throw new Error( |
|
9955 'Gradient stop list needs to contain at least two stops.'); |
|
9956 this._stops = GradientStop.readAll(stops, 0, { clone: true }); |
|
9957 for (var i = 0, l = this._stops.length; i < l; i++) { |
|
9958 var stop = this._stops[i]; |
|
9959 stop._owner = this; |
|
9960 if (stop._defaultRamp) |
|
9961 stop.setRampPoint(i / (l - 1)); |
|
9962 } |
|
9963 this._changed(); |
|
9964 }, |
|
9965 |
|
9966 getRadial: function() { |
|
9967 return this._radial; |
|
9968 }, |
|
9969 |
|
9970 setRadial: function(radial) { |
|
9971 this._radial = radial; |
|
9972 this._changed(); |
|
9973 }, |
|
9974 |
|
9975 equals: function(gradient) { |
|
9976 if (gradient === this) |
|
9977 return true; |
|
9978 if (gradient && this._class === gradient._class |
|
9979 && this._stops.length === gradient._stops.length) { |
|
9980 for (var i = 0, l = this._stops.length; i < l; i++) { |
|
9981 if (!this._stops[i].equals(gradient._stops[i])) |
|
9982 return false; |
|
9983 } |
|
9984 return true; |
|
9985 } |
|
9986 return false; |
|
9987 } |
|
9988 }); |
|
9989 |
|
9990 var GradientStop = Base.extend({ |
|
9991 _class: 'GradientStop', |
|
9992 |
|
9993 initialize: function GradientStop(arg0, arg1) { |
|
9994 if (arg0) { |
|
9995 var color, rampPoint; |
|
9996 if (arg1 === undefined && Array.isArray(arg0)) { |
|
9997 color = arg0[0]; |
|
9998 rampPoint = arg0[1]; |
|
9999 } else if (arg0.color) { |
|
10000 color = arg0.color; |
|
10001 rampPoint = arg0.rampPoint; |
|
10002 } else { |
|
10003 color = arg0; |
|
10004 rampPoint = arg1; |
|
10005 } |
|
10006 this.setColor(color); |
|
10007 this.setRampPoint(rampPoint); |
|
10008 } |
|
10009 }, |
|
10010 |
|
10011 clone: function() { |
|
10012 return new GradientStop(this._color.clone(), this._rampPoint); |
|
10013 }, |
|
10014 |
|
10015 _serialize: function(options, dictionary) { |
|
10016 return Base.serialize([this._color, this._rampPoint], options, true, |
|
10017 dictionary); |
|
10018 }, |
|
10019 |
|
10020 _changed: function() { |
|
10021 if (this._owner) |
|
10022 this._owner._changed(65); |
|
10023 }, |
|
10024 |
|
10025 getRampPoint: function() { |
|
10026 return this._rampPoint; |
|
10027 }, |
|
10028 |
|
10029 setRampPoint: function(rampPoint) { |
|
10030 this._defaultRamp = rampPoint == null; |
|
10031 this._rampPoint = rampPoint || 0; |
|
10032 this._changed(); |
|
10033 }, |
|
10034 |
|
10035 getColor: function() { |
|
10036 return this._color; |
|
10037 }, |
|
10038 |
|
10039 setColor: function(color) { |
|
10040 this._color = Color.read(arguments); |
|
10041 if (this._color === color) |
|
10042 this._color = color.clone(); |
|
10043 this._color._owner = this; |
|
10044 this._changed(); |
|
10045 }, |
|
10046 |
|
10047 equals: function(stop) { |
|
10048 return stop === this || stop && this._class === stop._class |
|
10049 && this._color.equals(stop._color) |
|
10050 && this._rampPoint == stop._rampPoint |
|
10051 || false; |
|
10052 } |
|
10053 }); |
|
10054 |
|
10055 var Style = Base.extend(new function() { |
|
10056 var defaults = { |
|
10057 fillColor: undefined, |
|
10058 strokeColor: undefined, |
|
10059 strokeWidth: 1, |
|
10060 strokeCap: 'butt', |
|
10061 strokeJoin: 'miter', |
|
10062 strokeScaling: true, |
|
10063 miterLimit: 10, |
|
10064 dashOffset: 0, |
|
10065 dashArray: [], |
|
10066 windingRule: 'nonzero', |
|
10067 shadowColor: undefined, |
|
10068 shadowBlur: 0, |
|
10069 shadowOffset: new Point(), |
|
10070 selectedColor: undefined, |
|
10071 fontFamily: 'sans-serif', |
|
10072 fontWeight: 'normal', |
|
10073 fontSize: 12, |
|
10074 font: 'sans-serif', |
|
10075 leading: null, |
|
10076 justification: 'left' |
|
10077 }; |
|
10078 |
|
10079 var flags = { |
|
10080 strokeWidth: 97, |
|
10081 strokeCap: 97, |
|
10082 strokeJoin: 97, |
|
10083 strokeScaling: 105, |
|
10084 miterLimit: 97, |
|
10085 fontFamily: 9, |
|
10086 fontWeight: 9, |
|
10087 fontSize: 9, |
|
10088 font: 9, |
|
10089 leading: 9, |
|
10090 justification: 9 |
|
10091 }; |
|
10092 |
|
10093 var item = { beans: true }, |
|
10094 fields = { |
|
10095 _defaults: defaults, |
|
10096 _textDefaults: new Base(defaults, { |
|
10097 fillColor: new Color() |
|
10098 }), |
|
10099 beans: true |
|
10100 }; |
|
10101 |
|
10102 Base.each(defaults, function(value, key) { |
|
10103 var isColor = /Color$/.test(key), |
|
10104 isPoint = key === 'shadowOffset', |
|
10105 part = Base.capitalize(key), |
|
10106 flag = flags[key], |
|
10107 set = 'set' + part, |
|
10108 get = 'get' + part; |
|
10109 |
|
10110 fields[set] = function(value) { |
|
10111 var owner = this._owner, |
|
10112 children = owner && owner._children; |
|
10113 if (children && children.length > 0 |
|
10114 && !(owner instanceof CompoundPath)) { |
|
10115 for (var i = 0, l = children.length; i < l; i++) |
|
10116 children[i]._style[set](value); |
|
10117 } else { |
|
10118 var old = this._values[key]; |
|
10119 if (old !== value) { |
|
10120 if (isColor) { |
|
10121 if (old) |
|
10122 old._owner = undefined; |
|
10123 if (value && value.constructor === Color) { |
|
10124 if (value._owner) |
|
10125 value = value.clone(); |
|
10126 value._owner = owner; |
|
10127 } |
|
10128 } |
|
10129 this._values[key] = value; |
|
10130 if (owner) |
|
10131 owner._changed(flag || 65); |
|
10132 } |
|
10133 } |
|
10134 }; |
|
10135 |
|
10136 fields[get] = function(_dontMerge) { |
|
10137 var owner = this._owner, |
|
10138 children = owner && owner._children, |
|
10139 value; |
|
10140 if (!children || children.length === 0 || _dontMerge |
|
10141 || owner instanceof CompoundPath) { |
|
10142 var value = this._values[key]; |
|
10143 if (value === undefined) { |
|
10144 value = this._defaults[key]; |
|
10145 if (value && value.clone) |
|
10146 value = value.clone(); |
|
10147 } else { |
|
10148 var ctor = isColor ? Color : isPoint ? Point : null; |
|
10149 if (ctor && !(value && value.constructor === ctor)) { |
|
10150 this._values[key] = value = ctor.read([value], 0, |
|
10151 { readNull: true, clone: true }); |
|
10152 if (value && isColor) |
|
10153 value._owner = owner; |
|
10154 } |
|
10155 } |
|
10156 return value; |
|
10157 } |
|
10158 for (var i = 0, l = children.length; i < l; i++) { |
|
10159 var childValue = children[i]._style[get](); |
|
10160 if (i === 0) { |
|
10161 value = childValue; |
|
10162 } else if (!Base.equals(value, childValue)) { |
|
10163 return undefined; |
|
10164 } |
|
10165 } |
|
10166 return value; |
|
10167 }; |
|
10168 |
|
10169 item[get] = function(_dontMerge) { |
|
10170 return this._style[get](_dontMerge); |
|
10171 }; |
|
10172 |
|
10173 item[set] = function(value) { |
|
10174 this._style[set](value); |
|
10175 }; |
|
10176 }); |
|
10177 |
|
10178 Item.inject(item); |
|
10179 return fields; |
|
10180 }, { |
|
10181 _class: 'Style', |
|
10182 |
|
10183 initialize: function Style(style, _owner, _project) { |
|
10184 this._values = {}; |
|
10185 this._owner = _owner; |
|
10186 this._project = _owner && _owner._project || _project || paper.project; |
|
10187 if (_owner instanceof TextItem) |
|
10188 this._defaults = this._textDefaults; |
|
10189 if (style) |
|
10190 this.set(style); |
|
10191 }, |
|
10192 |
|
10193 set: function(style) { |
|
10194 var isStyle = style instanceof Style, |
|
10195 values = isStyle ? style._values : style; |
|
10196 if (values) { |
|
10197 for (var key in values) { |
|
10198 if (key in this._defaults) { |
|
10199 var value = values[key]; |
|
10200 this[key] = value && isStyle && value.clone |
|
10201 ? value.clone() : value; |
|
10202 } |
|
10203 } |
|
10204 } |
|
10205 }, |
|
10206 |
|
10207 equals: function(style) { |
|
10208 return style === this || style && this._class === style._class |
|
10209 && Base.equals(this._values, style._values) |
|
10210 || false; |
|
10211 }, |
|
10212 |
|
10213 hasFill: function() { |
|
10214 return !!this.getFillColor(); |
|
10215 }, |
|
10216 |
|
10217 hasStroke: function() { |
|
10218 return !!this.getStrokeColor() && this.getStrokeWidth() > 0; |
|
10219 }, |
|
10220 |
|
10221 hasShadow: function() { |
|
10222 return !!this.getShadowColor() && this.getShadowBlur() > 0; |
|
10223 }, |
|
10224 |
|
10225 getView: function() { |
|
10226 return this._project.getView(); |
|
10227 }, |
|
10228 |
|
10229 getFontStyle: function() { |
|
10230 var fontSize = this.getFontSize(); |
|
10231 return this.getFontWeight() |
|
10232 + ' ' + fontSize + (/[a-z]/i.test(fontSize + '') ? ' ' : 'px ') |
|
10233 + this.getFontFamily(); |
|
10234 }, |
|
10235 |
|
10236 getFont: '#getFontFamily', |
|
10237 setFont: '#setFontFamily', |
|
10238 |
|
10239 getLeading: function getLeading() { |
|
10240 var leading = getLeading.base.call(this), |
|
10241 fontSize = this.getFontSize(); |
|
10242 if (/pt|em|%|px/.test(fontSize)) |
|
10243 fontSize = this.getView().getPixelSize(fontSize); |
|
10244 return leading != null ? leading : fontSize * 1.2; |
|
10245 } |
|
10246 |
|
10247 }); |
|
10248 |
|
10249 var DomElement = new function() { |
|
10250 function handlePrefix(el, name, set, value) { |
|
10251 var prefixes = ['', 'webkit', 'moz', 'Moz', 'ms', 'o'], |
|
10252 suffix = name[0].toUpperCase() + name.substring(1); |
|
10253 for (var i = 0; i < 6; i++) { |
|
10254 var prefix = prefixes[i], |
|
10255 key = prefix ? prefix + suffix : name; |
|
10256 if (key in el) { |
|
10257 if (set) { |
|
10258 el[key] = value; |
|
10259 } else { |
|
10260 return el[key]; |
|
10261 } |
|
10262 break; |
|
10263 } |
|
10264 } |
|
10265 } |
|
10266 |
|
10267 return { |
|
10268 getStyles: function(el) { |
|
10269 var doc = el && el.nodeType !== 9 ? el.ownerDocument : el, |
|
10270 view = doc && doc.defaultView; |
|
10271 return view && view.getComputedStyle(el, ''); |
|
10272 }, |
|
10273 |
|
10274 getBounds: function(el, viewport) { |
|
10275 var doc = el.ownerDocument, |
|
10276 body = doc.body, |
|
10277 html = doc.documentElement, |
|
10278 rect; |
|
10279 try { |
|
10280 rect = el.getBoundingClientRect(); |
|
10281 } catch (e) { |
|
10282 rect = { left: 0, top: 0, width: 0, height: 0 }; |
|
10283 } |
|
10284 var x = rect.left - (html.clientLeft || body.clientLeft || 0), |
|
10285 y = rect.top - (html.clientTop || body.clientTop || 0); |
|
10286 if (!viewport) { |
|
10287 var view = doc.defaultView; |
|
10288 x += view.pageXOffset || html.scrollLeft || body.scrollLeft; |
|
10289 y += view.pageYOffset || html.scrollTop || body.scrollTop; |
|
10290 } |
|
10291 return new Rectangle(x, y, rect.width, rect.height); |
|
10292 }, |
|
10293 |
|
10294 getViewportBounds: function(el) { |
|
10295 var doc = el.ownerDocument, |
|
10296 view = doc.defaultView, |
|
10297 html = doc.documentElement; |
|
10298 return new Rectangle(0, 0, |
|
10299 view.innerWidth || html.clientWidth, |
|
10300 view.innerHeight || html.clientHeight |
|
10301 ); |
|
10302 }, |
|
10303 |
|
10304 getOffset: function(el, viewport) { |
|
10305 return DomElement.getBounds(el, viewport).getPoint(); |
|
10306 }, |
|
10307 |
|
10308 getSize: function(el) { |
|
10309 return DomElement.getBounds(el, true).getSize(); |
|
10310 }, |
|
10311 |
|
10312 isInvisible: function(el) { |
|
10313 return DomElement.getSize(el).equals(new Size(0, 0)); |
|
10314 }, |
|
10315 |
|
10316 isInView: function(el) { |
|
10317 return !DomElement.isInvisible(el) |
|
10318 && DomElement.getViewportBounds(el).intersects( |
|
10319 DomElement.getBounds(el, true)); |
|
10320 }, |
|
10321 |
|
10322 getPrefixed: function(el, name) { |
|
10323 return handlePrefix(el, name); |
|
10324 }, |
|
10325 |
|
10326 setPrefixed: function(el, name, value) { |
|
10327 if (typeof name === 'object') { |
|
10328 for (var key in name) |
|
10329 handlePrefix(el, key, true, name[key]); |
|
10330 } else { |
|
10331 handlePrefix(el, name, true, value); |
|
10332 } |
|
10333 } |
|
10334 }; |
|
10335 }; |
|
10336 |
|
10337 var DomEvent = { |
|
10338 add: function(el, events) { |
|
10339 for (var type in events) { |
|
10340 var func = events[type], |
|
10341 parts = type.split(/[\s,]+/g); |
|
10342 for (var i = 0, l = parts.length; i < l; i++) |
|
10343 el.addEventListener(parts[i], func, false); |
|
10344 } |
|
10345 }, |
|
10346 |
|
10347 remove: function(el, events) { |
|
10348 for (var type in events) { |
|
10349 var func = events[type], |
|
10350 parts = type.split(/[\s,]+/g); |
|
10351 for (var i = 0, l = parts.length; i < l; i++) |
|
10352 el.removeEventListener(parts[i], func, false); |
|
10353 } |
|
10354 }, |
|
10355 |
|
10356 getPoint: function(event) { |
|
10357 var pos = event.targetTouches |
|
10358 ? event.targetTouches.length |
|
10359 ? event.targetTouches[0] |
|
10360 : event.changedTouches[0] |
|
10361 : event; |
|
10362 return new Point( |
|
10363 pos.pageX || pos.clientX + document.documentElement.scrollLeft, |
|
10364 pos.pageY || pos.clientY + document.documentElement.scrollTop |
|
10365 ); |
|
10366 }, |
|
10367 |
|
10368 getTarget: function(event) { |
|
10369 return event.target || event.srcElement; |
|
10370 }, |
|
10371 |
|
10372 getRelatedTarget: function(event) { |
|
10373 return event.relatedTarget || event.toElement; |
|
10374 }, |
|
10375 |
|
10376 getOffset: function(event, target) { |
|
10377 return DomEvent.getPoint(event).subtract(DomElement.getOffset( |
|
10378 target || DomEvent.getTarget(event))); |
|
10379 }, |
|
10380 |
|
10381 stop: function(event) { |
|
10382 event.stopPropagation(); |
|
10383 event.preventDefault(); |
|
10384 } |
|
10385 }; |
|
10386 |
|
10387 DomEvent.requestAnimationFrame = new function() { |
|
10388 var nativeRequest = DomElement.getPrefixed(window, 'requestAnimationFrame'), |
|
10389 requested = false, |
|
10390 callbacks = [], |
|
10391 focused = true, |
|
10392 timer; |
|
10393 |
|
10394 DomEvent.add(window, { |
|
10395 focus: function() { |
|
10396 focused = true; |
|
10397 }, |
|
10398 blur: function() { |
|
10399 focused = false; |
|
10400 } |
|
10401 }); |
|
10402 |
|
10403 function handleCallbacks() { |
|
10404 for (var i = callbacks.length - 1; i >= 0; i--) { |
|
10405 var entry = callbacks[i], |
|
10406 func = entry[0], |
|
10407 el = entry[1]; |
|
10408 if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true' |
|
10409 || focused) && DomElement.isInView(el)) { |
|
10410 callbacks.splice(i, 1); |
|
10411 func(); |
|
10412 } |
|
10413 } |
|
10414 if (nativeRequest) { |
|
10415 if (callbacks.length) { |
|
10416 nativeRequest(handleCallbacks); |
|
10417 } else { |
|
10418 requested = false; |
|
10419 } |
|
10420 } |
|
10421 } |
|
10422 |
|
10423 return function(callback, element) { |
|
10424 callbacks.push([callback, element]); |
|
10425 if (nativeRequest) { |
|
10426 if (!requested) { |
|
10427 nativeRequest(handleCallbacks); |
|
10428 requested = true; |
|
10429 } |
|
10430 } else if (!timer) { |
|
10431 timer = setInterval(handleCallbacks, 1000 / 60); |
|
10432 } |
|
10433 }; |
|
10434 }; |
|
10435 |
|
10436 var View = Base.extend(Emitter, { |
|
10437 _class: 'View', |
|
10438 |
|
10439 initialize: function View(project, element) { |
|
10440 this._project = project; |
|
10441 this._scope = project._scope; |
|
10442 this._element = element; |
|
10443 var size; |
|
10444 if (!this._pixelRatio) |
|
10445 this._pixelRatio = window.devicePixelRatio || 1; |
|
10446 this._id = element.getAttribute('id'); |
|
10447 if (this._id == null) |
|
10448 element.setAttribute('id', this._id = 'view-' + View._id++); |
|
10449 DomEvent.add(element, this._viewEvents); |
|
10450 var none = 'none'; |
|
10451 DomElement.setPrefixed(element.style, { |
|
10452 userSelect: none, |
|
10453 touchAction: none, |
|
10454 touchCallout: none, |
|
10455 contentZooming: none, |
|
10456 userDrag: none, |
|
10457 tapHighlightColor: 'rgba(0,0,0,0)' |
|
10458 }); |
|
10459 |
|
10460 function getSize(name) { |
|
10461 return element[name] || parseInt(element.getAttribute(name), 10); |
|
10462 }; |
|
10463 |
|
10464 function getCanvasSize() { |
|
10465 var size = DomElement.getSize(element); |
|
10466 return size.isNaN() || size.isZero() |
|
10467 ? new Size(getSize('width'), getSize('height')) |
|
10468 : size; |
|
10469 }; |
|
10470 |
|
10471 if (PaperScope.hasAttribute(element, 'resize')) { |
|
10472 var that = this; |
|
10473 DomEvent.add(window, this._windowEvents = { |
|
10474 resize: function() { |
|
10475 that.setViewSize(getCanvasSize()); |
|
10476 } |
|
10477 }); |
|
10478 } |
|
10479 this._setViewSize(size = getCanvasSize()); |
|
10480 if (PaperScope.hasAttribute(element, 'stats') |
|
10481 && typeof Stats !== 'undefined') { |
|
10482 this._stats = new Stats(); |
|
10483 var stats = this._stats.domElement, |
|
10484 style = stats.style, |
|
10485 offset = DomElement.getOffset(element); |
|
10486 style.position = 'absolute'; |
|
10487 style.left = offset.x + 'px'; |
|
10488 style.top = offset.y + 'px'; |
|
10489 document.body.appendChild(stats); |
|
10490 } |
|
10491 View._views.push(this); |
|
10492 View._viewsById[this._id] = this; |
|
10493 this._viewSize = size; |
|
10494 (this._matrix = new Matrix())._owner = this; |
|
10495 this._zoom = 1; |
|
10496 if (!View._focused) |
|
10497 View._focused = this; |
|
10498 this._frameItems = {}; |
|
10499 this._frameItemCount = 0; |
|
10500 }, |
|
10501 |
|
10502 remove: function() { |
|
10503 if (!this._project) |
|
10504 return false; |
|
10505 if (View._focused === this) |
|
10506 View._focused = null; |
|
10507 View._views.splice(View._views.indexOf(this), 1); |
|
10508 delete View._viewsById[this._id]; |
|
10509 if (this._project._view === this) |
|
10510 this._project._view = null; |
|
10511 DomEvent.remove(this._element, this._viewEvents); |
|
10512 DomEvent.remove(window, this._windowEvents); |
|
10513 this._element = this._project = null; |
|
10514 this.off('frame'); |
|
10515 this._animate = false; |
|
10516 this._frameItems = {}; |
|
10517 return true; |
|
10518 }, |
|
10519 |
|
10520 _events: { |
|
10521 onFrame: { |
|
10522 install: function() { |
|
10523 this.play(); |
|
10524 }, |
|
10525 |
|
10526 uninstall: function() { |
|
10527 this.pause(); |
|
10528 } |
|
10529 }, |
|
10530 |
|
10531 onResize: {} |
|
10532 }, |
|
10533 |
|
10534 _animate: false, |
|
10535 _time: 0, |
|
10536 _count: 0, |
|
10537 |
|
10538 _requestFrame: function() { |
|
10539 var that = this; |
|
10540 DomEvent.requestAnimationFrame(function() { |
|
10541 that._requested = false; |
|
10542 if (!that._animate) |
|
10543 return; |
|
10544 that._requestFrame(); |
|
10545 that._handleFrame(); |
|
10546 }, this._element); |
|
10547 this._requested = true; |
|
10548 }, |
|
10549 |
|
10550 _handleFrame: function() { |
|
10551 paper = this._scope; |
|
10552 var now = Date.now() / 1000, |
|
10553 delta = this._before ? now - this._before : 0; |
|
10554 this._before = now; |
|
10555 this._handlingFrame = true; |
|
10556 this.emit('frame', new Base({ |
|
10557 delta: delta, |
|
10558 time: this._time += delta, |
|
10559 count: this._count++ |
|
10560 })); |
|
10561 if (this._stats) |
|
10562 this._stats.update(); |
|
10563 this._handlingFrame = false; |
|
10564 this.update(); |
|
10565 }, |
|
10566 |
|
10567 _animateItem: function(item, animate) { |
|
10568 var items = this._frameItems; |
|
10569 if (animate) { |
|
10570 items[item._id] = { |
|
10571 item: item, |
|
10572 time: 0, |
|
10573 count: 0 |
|
10574 }; |
|
10575 if (++this._frameItemCount === 1) |
|
10576 this.on('frame', this._handleFrameItems); |
|
10577 } else { |
|
10578 delete items[item._id]; |
|
10579 if (--this._frameItemCount === 0) { |
|
10580 this.off('frame', this._handleFrameItems); |
|
10581 } |
|
10582 } |
|
10583 }, |
|
10584 |
|
10585 _handleFrameItems: function(event) { |
|
10586 for (var i in this._frameItems) { |
|
10587 var entry = this._frameItems[i]; |
|
10588 entry.item.emit('frame', new Base(event, { |
|
10589 time: entry.time += event.delta, |
|
10590 count: entry.count++ |
|
10591 })); |
|
10592 } |
|
10593 }, |
|
10594 |
|
10595 _update: function() { |
|
10596 this._project._needsUpdate = true; |
|
10597 if (this._handlingFrame) |
|
10598 return; |
|
10599 if (this._animate) { |
|
10600 this._handleFrame(); |
|
10601 } else { |
|
10602 this.update(); |
|
10603 } |
|
10604 }, |
|
10605 |
|
10606 _changed: function(flags) { |
|
10607 if (flags & 1) |
|
10608 this._project._needsUpdate = true; |
|
10609 }, |
|
10610 |
|
10611 _transform: function(matrix) { |
|
10612 this._matrix.concatenate(matrix); |
|
10613 this._bounds = null; |
|
10614 this._update(); |
|
10615 }, |
|
10616 |
|
10617 getElement: function() { |
|
10618 return this._element; |
|
10619 }, |
|
10620 |
|
10621 getPixelRatio: function() { |
|
10622 return this._pixelRatio; |
|
10623 }, |
|
10624 |
|
10625 getResolution: function() { |
|
10626 return this._pixelRatio * 72; |
|
10627 }, |
|
10628 |
|
10629 getViewSize: function() { |
|
10630 var size = this._viewSize; |
|
10631 return new LinkedSize(size.width, size.height, this, 'setViewSize'); |
|
10632 }, |
|
10633 |
|
10634 setViewSize: function() { |
|
10635 var size = Size.read(arguments), |
|
10636 delta = size.subtract(this._viewSize); |
|
10637 if (delta.isZero()) |
|
10638 return; |
|
10639 this._viewSize.set(size.width, size.height); |
|
10640 this._setViewSize(size); |
|
10641 this._bounds = null; |
|
10642 this.emit('resize', { |
|
10643 size: size, |
|
10644 delta: delta |
|
10645 }); |
|
10646 this._update(); |
|
10647 }, |
|
10648 |
|
10649 _setViewSize: function(size) { |
|
10650 var element = this._element; |
|
10651 element.width = size.width; |
|
10652 element.height = size.height; |
|
10653 }, |
|
10654 |
|
10655 getBounds: function() { |
|
10656 if (!this._bounds) |
|
10657 this._bounds = this._matrix.inverted()._transformBounds( |
|
10658 new Rectangle(new Point(), this._viewSize)); |
|
10659 return this._bounds; |
|
10660 }, |
|
10661 |
|
10662 getSize: function() { |
|
10663 return this.getBounds().getSize(); |
|
10664 }, |
|
10665 |
|
10666 getCenter: function() { |
|
10667 return this.getBounds().getCenter(); |
|
10668 }, |
|
10669 |
|
10670 setCenter: function() { |
|
10671 var center = Point.read(arguments); |
|
10672 this.scrollBy(center.subtract(this.getCenter())); |
|
10673 }, |
|
10674 |
|
10675 getZoom: function() { |
|
10676 return this._zoom; |
|
10677 }, |
|
10678 |
|
10679 setZoom: function(zoom) { |
|
10680 this._transform(new Matrix().scale(zoom / this._zoom, |
|
10681 this.getCenter())); |
|
10682 this._zoom = zoom; |
|
10683 }, |
|
10684 |
|
10685 isVisible: function() { |
|
10686 return DomElement.isInView(this._element); |
|
10687 }, |
|
10688 |
|
10689 scrollBy: function() { |
|
10690 this._transform(new Matrix().translate(Point.read(arguments).negate())); |
|
10691 }, |
|
10692 |
|
10693 play: function() { |
|
10694 this._animate = true; |
|
10695 if (!this._requested) |
|
10696 this._requestFrame(); |
|
10697 }, |
|
10698 |
|
10699 pause: function() { |
|
10700 this._animate = false; |
|
10701 }, |
|
10702 |
|
10703 draw: function() { |
|
10704 this.update(); |
|
10705 }, |
|
10706 |
|
10707 projectToView: function() { |
|
10708 return this._matrix._transformPoint(Point.read(arguments)); |
|
10709 }, |
|
10710 |
|
10711 viewToProject: function() { |
|
10712 return this._matrix._inverseTransform(Point.read(arguments)); |
|
10713 } |
|
10714 |
|
10715 }, { |
|
10716 statics: { |
|
10717 _views: [], |
|
10718 _viewsById: {}, |
|
10719 _id: 0, |
|
10720 |
|
10721 create: function(project, element) { |
|
10722 if (typeof element === 'string') |
|
10723 element = document.getElementById(element); |
|
10724 return new CanvasView(project, element); |
|
10725 } |
|
10726 } |
|
10727 }, new function() { |
|
10728 var tool, |
|
10729 prevFocus, |
|
10730 tempFocus, |
|
10731 dragging = false; |
|
10732 |
|
10733 function getView(event) { |
|
10734 var target = DomEvent.getTarget(event); |
|
10735 return target.getAttribute && View._viewsById[target.getAttribute('id')]; |
|
10736 } |
|
10737 |
|
10738 function viewToProject(view, event) { |
|
10739 return view.viewToProject(DomEvent.getOffset(event, view._element)); |
|
10740 } |
|
10741 |
|
10742 function updateFocus() { |
|
10743 if (!View._focused || !View._focused.isVisible()) { |
|
10744 for (var i = 0, l = View._views.length; i < l; i++) { |
|
10745 var view = View._views[i]; |
|
10746 if (view && view.isVisible()) { |
|
10747 View._focused = tempFocus = view; |
|
10748 break; |
|
10749 } |
|
10750 } |
|
10751 } |
|
10752 } |
|
10753 |
|
10754 function handleMouseMove(view, point, event) { |
|
10755 view._handleEvent('mousemove', point, event); |
|
10756 var tool = view._scope.tool; |
|
10757 if (tool) { |
|
10758 tool._handleEvent(dragging && tool.responds('mousedrag') |
|
10759 ? 'mousedrag' : 'mousemove', point, event); |
|
10760 } |
|
10761 view.update(); |
|
10762 return tool; |
|
10763 } |
|
10764 |
|
10765 var navigator = window.navigator, |
|
10766 mousedown, mousemove, mouseup; |
|
10767 if (navigator.pointerEnabled || navigator.msPointerEnabled) { |
|
10768 mousedown = 'pointerdown MSPointerDown'; |
|
10769 mousemove = 'pointermove MSPointerMove'; |
|
10770 mouseup = 'pointerup pointercancel MSPointerUp MSPointerCancel'; |
|
10771 } else { |
|
10772 mousedown = 'touchstart'; |
|
10773 mousemove = 'touchmove'; |
|
10774 mouseup = 'touchend touchcancel'; |
|
10775 if (!('ontouchstart' in window && navigator.userAgent.match( |
|
10776 /mobile|tablet|ip(ad|hone|od)|android|silk/i))) { |
|
10777 mousedown += ' mousedown'; |
|
10778 mousemove += ' mousemove'; |
|
10779 mouseup += ' mouseup'; |
|
10780 } |
|
10781 } |
|
10782 |
|
10783 var viewEvents = { |
|
10784 'selectstart dragstart': function(event) { |
|
10785 if (dragging) |
|
10786 event.preventDefault(); |
|
10787 } |
|
10788 }; |
|
10789 |
|
10790 var docEvents = { |
|
10791 mouseout: function(event) { |
|
10792 var view = View._focused, |
|
10793 target = DomEvent.getRelatedTarget(event); |
|
10794 if (view && (!target || target.nodeName === 'HTML')) |
|
10795 handleMouseMove(view, viewToProject(view, event), event); |
|
10796 }, |
|
10797 |
|
10798 scroll: updateFocus |
|
10799 }; |
|
10800 |
|
10801 viewEvents[mousedown] = function(event) { |
|
10802 var view = View._focused = getView(event), |
|
10803 point = viewToProject(view, event); |
|
10804 dragging = true; |
|
10805 view._handleEvent('mousedown', point, event); |
|
10806 if (tool = view._scope.tool) |
|
10807 tool._handleEvent('mousedown', point, event); |
|
10808 view.update(); |
|
10809 }; |
|
10810 |
|
10811 docEvents[mousemove] = function(event) { |
|
10812 var view = View._focused; |
|
10813 if (!dragging) { |
|
10814 var target = getView(event); |
|
10815 if (target) { |
|
10816 if (view !== target) |
|
10817 handleMouseMove(view, viewToProject(view, event), event); |
|
10818 prevFocus = view; |
|
10819 view = View._focused = tempFocus = target; |
|
10820 } else if (tempFocus && tempFocus === view) { |
|
10821 view = View._focused = prevFocus; |
|
10822 updateFocus(); |
|
10823 } |
|
10824 } |
|
10825 if (view) { |
|
10826 var point = viewToProject(view, event); |
|
10827 if (dragging || view.getBounds().contains(point)) |
|
10828 tool = handleMouseMove(view, point, event); |
|
10829 } |
|
10830 }; |
|
10831 |
|
10832 docEvents[mouseup] = function(event) { |
|
10833 var view = View._focused; |
|
10834 if (!view || !dragging) |
|
10835 return; |
|
10836 var point = viewToProject(view, event); |
|
10837 dragging = false; |
|
10838 view._handleEvent('mouseup', point, event); |
|
10839 if (tool) |
|
10840 tool._handleEvent('mouseup', point, event); |
|
10841 view.update(); |
|
10842 }; |
|
10843 |
|
10844 DomEvent.add(document, docEvents); |
|
10845 |
|
10846 DomEvent.add(window, { |
|
10847 load: updateFocus |
|
10848 }); |
|
10849 |
|
10850 return { |
|
10851 _viewEvents: viewEvents, |
|
10852 |
|
10853 _handleEvent: function() {}, |
|
10854 |
|
10855 statics: { |
|
10856 updateFocus: updateFocus |
|
10857 } |
|
10858 }; |
|
10859 }); |
|
10860 |
|
10861 var CanvasView = View.extend({ |
|
10862 _class: 'CanvasView', |
|
10863 |
|
10864 initialize: function CanvasView(project, canvas) { |
|
10865 if (!(canvas instanceof HTMLCanvasElement)) { |
|
10866 var size = Size.read(arguments, 1); |
|
10867 if (size.isZero()) |
|
10868 throw new Error( |
|
10869 'Cannot create CanvasView with the provided argument: ' |
|
10870 + [].slice.call(arguments, 1)); |
|
10871 canvas = CanvasProvider.getCanvas(size); |
|
10872 } |
|
10873 this._context = canvas.getContext('2d'); |
|
10874 this._eventCounters = {}; |
|
10875 this._pixelRatio = 1; |
|
10876 if (!/^off|false$/.test(PaperScope.getAttribute(canvas, 'hidpi'))) { |
|
10877 var deviceRatio = window.devicePixelRatio || 1, |
|
10878 backingStoreRatio = DomElement.getPrefixed(this._context, |
|
10879 'backingStorePixelRatio') || 1; |
|
10880 this._pixelRatio = deviceRatio / backingStoreRatio; |
|
10881 } |
|
10882 View.call(this, project, canvas); |
|
10883 }, |
|
10884 |
|
10885 _setViewSize: function(size) { |
|
10886 var element = this._element, |
|
10887 pixelRatio = this._pixelRatio, |
|
10888 width = size.width, |
|
10889 height = size.height; |
|
10890 element.width = width * pixelRatio; |
|
10891 element.height = height * pixelRatio; |
|
10892 if (pixelRatio !== 1) { |
|
10893 if (!PaperScope.hasAttribute(element, 'resize')) { |
|
10894 var style = element.style; |
|
10895 style.width = width + 'px'; |
|
10896 style.height = height + 'px'; |
|
10897 } |
|
10898 this._context.scale(pixelRatio, pixelRatio); |
|
10899 } |
|
10900 }, |
|
10901 |
|
10902 getPixelSize: function(size) { |
|
10903 var ctx = this._context, |
|
10904 prevFont = ctx.font; |
|
10905 ctx.font = size + ' serif'; |
|
10906 size = parseFloat(ctx.font); |
|
10907 ctx.font = prevFont; |
|
10908 return size; |
|
10909 }, |
|
10910 |
|
10911 getTextWidth: function(font, lines) { |
|
10912 var ctx = this._context, |
|
10913 prevFont = ctx.font, |
|
10914 width = 0; |
|
10915 ctx.font = font; |
|
10916 for (var i = 0, l = lines.length; i < l; i++) |
|
10917 width = Math.max(width, ctx.measureText(lines[i]).width); |
|
10918 ctx.font = prevFont; |
|
10919 return width; |
|
10920 }, |
|
10921 |
|
10922 update: function() { |
|
10923 var project = this._project; |
|
10924 if (!project || !project._needsUpdate) |
|
10925 return false; |
|
10926 var ctx = this._context, |
|
10927 size = this._viewSize; |
|
10928 ctx.clearRect(0, 0, size.width + 1, size.height + 1); |
|
10929 project.draw(ctx, this._matrix, this._pixelRatio); |
|
10930 project._needsUpdate = false; |
|
10931 return true; |
|
10932 } |
|
10933 }, new function() { |
|
10934 |
|
10935 var downPoint, |
|
10936 lastPoint, |
|
10937 overPoint, |
|
10938 downItem, |
|
10939 lastItem, |
|
10940 overItem, |
|
10941 dragItem, |
|
10942 dblClick, |
|
10943 clickTime; |
|
10944 |
|
10945 function callEvent(view, type, event, point, target, lastPoint) { |
|
10946 var item = target, |
|
10947 mouseEvent; |
|
10948 |
|
10949 function call(obj) { |
|
10950 if (obj.responds(type)) { |
|
10951 if (!mouseEvent) { |
|
10952 mouseEvent = new MouseEvent(type, event, point, target, |
|
10953 lastPoint ? point.subtract(lastPoint) : null); |
|
10954 } |
|
10955 if (obj.emit(type, mouseEvent) && mouseEvent.isStopped) { |
|
10956 event.preventDefault(); |
|
10957 return true; |
|
10958 } |
|
10959 } |
|
10960 } |
|
10961 |
|
10962 while (item) { |
|
10963 if (call(item)) |
|
10964 return true; |
|
10965 item = item.getParent(); |
|
10966 } |
|
10967 if (call(view)) |
|
10968 return true; |
|
10969 return false; |
|
10970 } |
|
10971 |
|
10972 return { |
|
10973 _handleEvent: function(type, point, event) { |
|
10974 if (!this._eventCounters[type]) |
|
10975 return; |
|
10976 var project = this._project, |
|
10977 hit = project.hitTest(point, { |
|
10978 tolerance: 0, |
|
10979 fill: true, |
|
10980 stroke: true |
|
10981 }), |
|
10982 item = hit && hit.item, |
|
10983 stopped = false; |
|
10984 switch (type) { |
|
10985 case 'mousedown': |
|
10986 stopped = callEvent(this, type, event, point, item); |
|
10987 dblClick = lastItem == item && (Date.now() - clickTime < 300); |
|
10988 downItem = lastItem = item; |
|
10989 downPoint = lastPoint = overPoint = point; |
|
10990 dragItem = !stopped && item; |
|
10991 while (dragItem && !dragItem.responds('mousedrag')) |
|
10992 dragItem = dragItem._parent; |
|
10993 break; |
|
10994 case 'mouseup': |
|
10995 stopped = callEvent(this, type, event, point, item, downPoint); |
|
10996 if (dragItem) { |
|
10997 if (lastPoint && !lastPoint.equals(point)) |
|
10998 callEvent(this, 'mousedrag', event, point, dragItem, |
|
10999 lastPoint); |
|
11000 if (item !== dragItem) { |
|
11001 overPoint = point; |
|
11002 callEvent(this, 'mousemove', event, point, item, |
|
11003 overPoint); |
|
11004 } |
|
11005 } |
|
11006 if (!stopped && item && item === downItem) { |
|
11007 clickTime = Date.now(); |
|
11008 callEvent(this, dblClick && downItem.responds('doubleclick') |
|
11009 ? 'doubleclick' : 'click', event, downPoint, item); |
|
11010 dblClick = false; |
|
11011 } |
|
11012 downItem = dragItem = null; |
|
11013 break; |
|
11014 case 'mousemove': |
|
11015 if (dragItem) |
|
11016 stopped = callEvent(this, 'mousedrag', event, point, |
|
11017 dragItem, lastPoint); |
|
11018 if (!stopped) { |
|
11019 if (item !== overItem) |
|
11020 overPoint = point; |
|
11021 stopped = callEvent(this, type, event, point, item, |
|
11022 overPoint); |
|
11023 } |
|
11024 lastPoint = overPoint = point; |
|
11025 if (item !== overItem) { |
|
11026 callEvent(this, 'mouseleave', event, point, overItem); |
|
11027 overItem = item; |
|
11028 callEvent(this, 'mouseenter', event, point, item); |
|
11029 } |
|
11030 break; |
|
11031 } |
|
11032 return stopped; |
|
11033 } |
|
11034 }; |
|
11035 }); |
|
11036 |
|
11037 var Event = Base.extend({ |
|
11038 _class: 'Event', |
|
11039 |
|
11040 initialize: function Event(event) { |
|
11041 this.event = event; |
|
11042 }, |
|
11043 |
|
11044 isPrevented: false, |
|
11045 isStopped: false, |
|
11046 |
|
11047 preventDefault: function() { |
|
11048 this.isPrevented = true; |
|
11049 this.event.preventDefault(); |
|
11050 }, |
|
11051 |
|
11052 stopPropagation: function() { |
|
11053 this.isStopped = true; |
|
11054 this.event.stopPropagation(); |
|
11055 }, |
|
11056 |
|
11057 stop: function() { |
|
11058 this.stopPropagation(); |
|
11059 this.preventDefault(); |
|
11060 }, |
|
11061 |
|
11062 getModifiers: function() { |
|
11063 return Key.modifiers; |
|
11064 } |
|
11065 }); |
|
11066 |
|
11067 var KeyEvent = Event.extend({ |
|
11068 _class: 'KeyEvent', |
|
11069 |
|
11070 initialize: function KeyEvent(down, key, character, event) { |
|
11071 Event.call(this, event); |
|
11072 this.type = down ? 'keydown' : 'keyup'; |
|
11073 this.key = key; |
|
11074 this.character = character; |
|
11075 }, |
|
11076 |
|
11077 toString: function() { |
|
11078 return "{ type: '" + this.type |
|
11079 + "', key: '" + this.key |
|
11080 + "', character: '" + this.character |
|
11081 + "', modifiers: " + this.getModifiers() |
|
11082 + " }"; |
|
11083 } |
|
11084 }); |
|
11085 |
|
11086 var Key = new function() { |
|
11087 |
|
11088 var specialKeys = { |
|
11089 8: 'backspace', |
|
11090 9: 'tab', |
|
11091 13: 'enter', |
|
11092 16: 'shift', |
|
11093 17: 'control', |
|
11094 18: 'option', |
|
11095 19: 'pause', |
|
11096 20: 'caps-lock', |
|
11097 27: 'escape', |
|
11098 32: 'space', |
|
11099 35: 'end', |
|
11100 36: 'home', |
|
11101 37: 'left', |
|
11102 38: 'up', |
|
11103 39: 'right', |
|
11104 40: 'down', |
|
11105 46: 'delete', |
|
11106 91: 'command', |
|
11107 93: 'command', |
|
11108 224: 'command' |
|
11109 }, |
|
11110 |
|
11111 specialChars = { |
|
11112 9: true, |
|
11113 13: true, |
|
11114 32: true |
|
11115 }, |
|
11116 |
|
11117 modifiers = new Base({ |
|
11118 shift: false, |
|
11119 control: false, |
|
11120 option: false, |
|
11121 command: false, |
|
11122 capsLock: false, |
|
11123 space: false |
|
11124 }), |
|
11125 |
|
11126 charCodeMap = {}, |
|
11127 keyMap = {}, |
|
11128 downCode; |
|
11129 |
|
11130 function handleKey(down, keyCode, charCode, event) { |
|
11131 var character = charCode ? String.fromCharCode(charCode) : '', |
|
11132 specialKey = specialKeys[keyCode], |
|
11133 key = specialKey || character.toLowerCase(), |
|
11134 type = down ? 'keydown' : 'keyup', |
|
11135 view = View._focused, |
|
11136 scope = view && view.isVisible() && view._scope, |
|
11137 tool = scope && scope.tool, |
|
11138 name; |
|
11139 keyMap[key] = down; |
|
11140 if (specialKey && (name = Base.camelize(specialKey)) in modifiers) |
|
11141 modifiers[name] = down; |
|
11142 if (down) { |
|
11143 charCodeMap[keyCode] = charCode; |
|
11144 } else { |
|
11145 delete charCodeMap[keyCode]; |
|
11146 } |
|
11147 if (tool && tool.responds(type)) { |
|
11148 paper = scope; |
|
11149 tool.emit(type, new KeyEvent(down, key, character, event)); |
|
11150 if (view) |
|
11151 view.update(); |
|
11152 } |
|
11153 } |
|
11154 |
|
11155 DomEvent.add(document, { |
|
11156 keydown: function(event) { |
|
11157 var code = event.which || event.keyCode; |
|
11158 if (code in specialKeys || modifiers.command) { |
|
11159 handleKey(true, code, |
|
11160 code in specialChars || modifiers.command ? code : 0, |
|
11161 event); |
|
11162 } else { |
|
11163 downCode = code; |
|
11164 } |
|
11165 }, |
|
11166 |
|
11167 keypress: function(event) { |
|
11168 if (downCode != null) { |
|
11169 handleKey(true, downCode, event.which || event.keyCode, event); |
|
11170 downCode = null; |
|
11171 } |
|
11172 }, |
|
11173 |
|
11174 keyup: function(event) { |
|
11175 var code = event.which || event.keyCode; |
|
11176 if (code in charCodeMap) |
|
11177 handleKey(false, code, charCodeMap[code], event); |
|
11178 } |
|
11179 }); |
|
11180 |
|
11181 DomEvent.add(window, { |
|
11182 blur: function(event) { |
|
11183 for (var code in charCodeMap) |
|
11184 handleKey(false, code, charCodeMap[code], event); |
|
11185 } |
|
11186 }); |
|
11187 |
|
11188 return { |
|
11189 modifiers: modifiers, |
|
11190 |
|
11191 isDown: function(key) { |
|
11192 return !!keyMap[key]; |
|
11193 } |
|
11194 }; |
|
11195 }; |
|
11196 |
|
11197 var MouseEvent = Event.extend({ |
|
11198 _class: 'MouseEvent', |
|
11199 |
|
11200 initialize: function MouseEvent(type, event, point, target, delta) { |
|
11201 Event.call(this, event); |
|
11202 this.type = type; |
|
11203 this.point = point; |
|
11204 this.target = target; |
|
11205 this.delta = delta; |
|
11206 }, |
|
11207 |
|
11208 toString: function() { |
|
11209 return "{ type: '" + this.type |
|
11210 + "', point: " + this.point |
|
11211 + ', target: ' + this.target |
|
11212 + (this.delta ? ', delta: ' + this.delta : '') |
|
11213 + ', modifiers: ' + this.getModifiers() |
|
11214 + ' }'; |
|
11215 } |
|
11216 }); |
|
11217 |
|
11218 var ToolEvent = Event.extend({ |
|
11219 _class: 'ToolEvent', |
|
11220 _item: null, |
|
11221 |
|
11222 initialize: function ToolEvent(tool, type, event) { |
|
11223 this.tool = tool; |
|
11224 this.type = type; |
|
11225 this.event = event; |
|
11226 }, |
|
11227 |
|
11228 _choosePoint: function(point, toolPoint) { |
|
11229 return point ? point : toolPoint ? toolPoint.clone() : null; |
|
11230 }, |
|
11231 |
|
11232 getPoint: function() { |
|
11233 return this._choosePoint(this._point, this.tool._point); |
|
11234 }, |
|
11235 |
|
11236 setPoint: function(point) { |
|
11237 this._point = point; |
|
11238 }, |
|
11239 |
|
11240 getLastPoint: function() { |
|
11241 return this._choosePoint(this._lastPoint, this.tool._lastPoint); |
|
11242 }, |
|
11243 |
|
11244 setLastPoint: function(lastPoint) { |
|
11245 this._lastPoint = lastPoint; |
|
11246 }, |
|
11247 |
|
11248 getDownPoint: function() { |
|
11249 return this._choosePoint(this._downPoint, this.tool._downPoint); |
|
11250 }, |
|
11251 |
|
11252 setDownPoint: function(downPoint) { |
|
11253 this._downPoint = downPoint; |
|
11254 }, |
|
11255 |
|
11256 getMiddlePoint: function() { |
|
11257 if (!this._middlePoint && this.tool._lastPoint) { |
|
11258 return this.tool._point.add(this.tool._lastPoint).divide(2); |
|
11259 } |
|
11260 return this._middlePoint; |
|
11261 }, |
|
11262 |
|
11263 setMiddlePoint: function(middlePoint) { |
|
11264 this._middlePoint = middlePoint; |
|
11265 }, |
|
11266 |
|
11267 getDelta: function() { |
|
11268 return !this._delta && this.tool._lastPoint |
|
11269 ? this.tool._point.subtract(this.tool._lastPoint) |
|
11270 : this._delta; |
|
11271 }, |
|
11272 |
|
11273 setDelta: function(delta) { |
|
11274 this._delta = delta; |
|
11275 }, |
|
11276 |
|
11277 getCount: function() { |
|
11278 return /^mouse(down|up)$/.test(this.type) |
|
11279 ? this.tool._downCount |
|
11280 : this.tool._count; |
|
11281 }, |
|
11282 |
|
11283 setCount: function(count) { |
|
11284 this.tool[/^mouse(down|up)$/.test(this.type) ? 'downCount' : 'count'] |
|
11285 = count; |
|
11286 }, |
|
11287 |
|
11288 getItem: function() { |
|
11289 if (!this._item) { |
|
11290 var result = this.tool._scope.project.hitTest(this.getPoint()); |
|
11291 if (result) { |
|
11292 var item = result.item, |
|
11293 parent = item._parent; |
|
11294 while (/^(Group|CompoundPath)$/.test(parent._class)) { |
|
11295 item = parent; |
|
11296 parent = parent._parent; |
|
11297 } |
|
11298 this._item = item; |
|
11299 } |
|
11300 } |
|
11301 return this._item; |
|
11302 }, |
|
11303 |
|
11304 setItem: function(item) { |
|
11305 this._item = item; |
|
11306 }, |
|
11307 |
|
11308 toString: function() { |
|
11309 return '{ type: ' + this.type |
|
11310 + ', point: ' + this.getPoint() |
|
11311 + ', count: ' + this.getCount() |
|
11312 + ', modifiers: ' + this.getModifiers() |
|
11313 + ' }'; |
|
11314 } |
|
11315 }); |
|
11316 |
|
11317 var Tool = PaperScopeItem.extend({ |
|
11318 _class: 'Tool', |
|
11319 _list: 'tools', |
|
11320 _reference: 'tool', |
|
11321 _events: [ 'onActivate', 'onDeactivate', 'onEditOptions', |
|
11322 'onMouseDown', 'onMouseUp', 'onMouseDrag', 'onMouseMove', |
|
11323 'onKeyDown', 'onKeyUp' ], |
|
11324 |
|
11325 initialize: function Tool(props) { |
|
11326 PaperScopeItem.call(this); |
|
11327 this._firstMove = true; |
|
11328 this._count = 0; |
|
11329 this._downCount = 0; |
|
11330 this._set(props); |
|
11331 }, |
|
11332 |
|
11333 getMinDistance: function() { |
|
11334 return this._minDistance; |
|
11335 }, |
|
11336 |
|
11337 setMinDistance: function(minDistance) { |
|
11338 this._minDistance = minDistance; |
|
11339 if (this._minDistance != null && this._maxDistance != null |
|
11340 && this._minDistance > this._maxDistance) { |
|
11341 this._maxDistance = this._minDistance; |
|
11342 } |
|
11343 }, |
|
11344 |
|
11345 getMaxDistance: function() { |
|
11346 return this._maxDistance; |
|
11347 }, |
|
11348 |
|
11349 setMaxDistance: function(maxDistance) { |
|
11350 this._maxDistance = maxDistance; |
|
11351 if (this._minDistance != null && this._maxDistance != null |
|
11352 && this._maxDistance < this._minDistance) { |
|
11353 this._minDistance = maxDistance; |
|
11354 } |
|
11355 }, |
|
11356 |
|
11357 getFixedDistance: function() { |
|
11358 return this._minDistance == this._maxDistance |
|
11359 ? this._minDistance : null; |
|
11360 }, |
|
11361 |
|
11362 setFixedDistance: function(distance) { |
|
11363 this._minDistance = distance; |
|
11364 this._maxDistance = distance; |
|
11365 }, |
|
11366 |
|
11367 _updateEvent: function(type, point, minDistance, maxDistance, start, |
|
11368 needsChange, matchMaxDistance) { |
|
11369 if (!start) { |
|
11370 if (minDistance != null || maxDistance != null) { |
|
11371 var minDist = minDistance != null ? minDistance : 0, |
|
11372 vector = point.subtract(this._point), |
|
11373 distance = vector.getLength(); |
|
11374 if (distance < minDist) |
|
11375 return false; |
|
11376 var maxDist = maxDistance != null ? maxDistance : 0; |
|
11377 if (maxDist != 0) { |
|
11378 if (distance > maxDist) { |
|
11379 point = this._point.add(vector.normalize(maxDist)); |
|
11380 } else if (matchMaxDistance) { |
|
11381 return false; |
|
11382 } |
|
11383 } |
|
11384 } |
|
11385 if (needsChange && point.equals(this._point)) |
|
11386 return false; |
|
11387 } |
|
11388 this._lastPoint = start && type == 'mousemove' ? point : this._point; |
|
11389 this._point = point; |
|
11390 switch (type) { |
|
11391 case 'mousedown': |
|
11392 this._lastPoint = this._downPoint; |
|
11393 this._downPoint = this._point; |
|
11394 this._downCount++; |
|
11395 break; |
|
11396 case 'mouseup': |
|
11397 this._lastPoint = this._downPoint; |
|
11398 break; |
|
11399 } |
|
11400 this._count = start ? 0 : this._count + 1; |
|
11401 return true; |
|
11402 }, |
|
11403 |
|
11404 _fireEvent: function(type, event) { |
|
11405 var sets = paper.project._removeSets; |
|
11406 if (sets) { |
|
11407 if (type === 'mouseup') |
|
11408 sets.mousedrag = null; |
|
11409 var set = sets[type]; |
|
11410 if (set) { |
|
11411 for (var id in set) { |
|
11412 var item = set[id]; |
|
11413 for (var key in sets) { |
|
11414 var other = sets[key]; |
|
11415 if (other && other != set) |
|
11416 delete other[item._id]; |
|
11417 } |
|
11418 item.remove(); |
|
11419 } |
|
11420 sets[type] = null; |
|
11421 } |
|
11422 } |
|
11423 return this.responds(type) |
|
11424 && this.emit(type, new ToolEvent(this, type, event)); |
|
11425 }, |
|
11426 |
|
11427 _handleEvent: function(type, point, event) { |
|
11428 paper = this._scope; |
|
11429 var called = false; |
|
11430 switch (type) { |
|
11431 case 'mousedown': |
|
11432 this._updateEvent(type, point, null, null, true, false, false); |
|
11433 called = this._fireEvent(type, event); |
|
11434 break; |
|
11435 case 'mousedrag': |
|
11436 var needsChange = false, |
|
11437 matchMaxDistance = false; |
|
11438 while (this._updateEvent(type, point, this.minDistance, |
|
11439 this.maxDistance, false, needsChange, matchMaxDistance)) { |
|
11440 called = this._fireEvent(type, event) || called; |
|
11441 needsChange = true; |
|
11442 matchMaxDistance = true; |
|
11443 } |
|
11444 break; |
|
11445 case 'mouseup': |
|
11446 if (!point.equals(this._point) |
|
11447 && this._updateEvent('mousedrag', point, this.minDistance, |
|
11448 this.maxDistance, false, false, false)) { |
|
11449 called = this._fireEvent('mousedrag', event); |
|
11450 } |
|
11451 this._updateEvent(type, point, null, this.maxDistance, false, |
|
11452 false, false); |
|
11453 called = this._fireEvent(type, event) || called; |
|
11454 this._updateEvent(type, point, null, null, true, false, false); |
|
11455 this._firstMove = true; |
|
11456 break; |
|
11457 case 'mousemove': |
|
11458 while (this._updateEvent(type, point, this.minDistance, |
|
11459 this.maxDistance, this._firstMove, true, false)) { |
|
11460 called = this._fireEvent(type, event) || called; |
|
11461 this._firstMove = false; |
|
11462 } |
|
11463 break; |
|
11464 } |
|
11465 if (called) |
|
11466 event.preventDefault(); |
|
11467 return called; |
|
11468 } |
|
11469 |
|
11470 }); |
|
11471 |
|
11472 var Http = { |
|
11473 request: function(method, url, callback) { |
|
11474 var xhr = new (window.ActiveXObject || XMLHttpRequest)( |
|
11475 'Microsoft.XMLHTTP'); |
|
11476 xhr.open(method.toUpperCase(), url, true); |
|
11477 if ('overrideMimeType' in xhr) |
|
11478 xhr.overrideMimeType('text/plain'); |
|
11479 xhr.onreadystatechange = function() { |
|
11480 if (xhr.readyState === 4) { |
|
11481 var status = xhr.status; |
|
11482 if (status === 0 || status === 200) { |
|
11483 callback.call(xhr, xhr.responseText); |
|
11484 } else { |
|
11485 throw new Error('Could not load ' + url + ' (Error ' |
|
11486 + status + ')'); |
|
11487 } |
|
11488 } |
|
11489 }; |
|
11490 return xhr.send(null); |
|
11491 } |
|
11492 }; |
|
11493 |
|
11494 var CanvasProvider = { |
|
11495 canvases: [], |
|
11496 |
|
11497 getCanvas: function(width, height) { |
|
11498 var canvas, |
|
11499 clear = true; |
|
11500 if (typeof width === 'object') { |
|
11501 height = width.height; |
|
11502 width = width.width; |
|
11503 } |
|
11504 if (this.canvases.length) { |
|
11505 canvas = this.canvases.pop(); |
|
11506 } else { |
|
11507 canvas = document.createElement('canvas'); |
|
11508 } |
|
11509 var ctx = canvas.getContext('2d'); |
|
11510 if (canvas.width === width && canvas.height === height) { |
|
11511 if (clear) |
|
11512 ctx.clearRect(0, 0, width + 1, height + 1); |
|
11513 } else { |
|
11514 canvas.width = width; |
|
11515 canvas.height = height; |
|
11516 } |
|
11517 ctx.save(); |
|
11518 return canvas; |
|
11519 }, |
|
11520 |
|
11521 getContext: function(width, height) { |
|
11522 return this.getCanvas(width, height).getContext('2d'); |
|
11523 }, |
|
11524 |
|
11525 release: function(obj) { |
|
11526 var canvas = obj.canvas ? obj.canvas : obj; |
|
11527 canvas.getContext('2d').restore(); |
|
11528 this.canvases.push(canvas); |
|
11529 } |
|
11530 }; |
|
11531 |
|
11532 var BlendMode = new function() { |
|
11533 var min = Math.min, |
|
11534 max = Math.max, |
|
11535 abs = Math.abs, |
|
11536 sr, sg, sb, sa, |
|
11537 br, bg, bb, ba, |
|
11538 dr, dg, db; |
|
11539 |
|
11540 function getLum(r, g, b) { |
|
11541 return 0.2989 * r + 0.587 * g + 0.114 * b; |
|
11542 } |
|
11543 |
|
11544 function setLum(r, g, b, l) { |
|
11545 var d = l - getLum(r, g, b); |
|
11546 dr = r + d; |
|
11547 dg = g + d; |
|
11548 db = b + d; |
|
11549 var l = getLum(dr, dg, db), |
|
11550 mn = min(dr, dg, db), |
|
11551 mx = max(dr, dg, db); |
|
11552 if (mn < 0) { |
|
11553 var lmn = l - mn; |
|
11554 dr = l + (dr - l) * l / lmn; |
|
11555 dg = l + (dg - l) * l / lmn; |
|
11556 db = l + (db - l) * l / lmn; |
|
11557 } |
|
11558 if (mx > 255) { |
|
11559 var ln = 255 - l, |
|
11560 mxl = mx - l; |
|
11561 dr = l + (dr - l) * ln / mxl; |
|
11562 dg = l + (dg - l) * ln / mxl; |
|
11563 db = l + (db - l) * ln / mxl; |
|
11564 } |
|
11565 } |
|
11566 |
|
11567 function getSat(r, g, b) { |
|
11568 return max(r, g, b) - min(r, g, b); |
|
11569 } |
|
11570 |
|
11571 function setSat(r, g, b, s) { |
|
11572 var col = [r, g, b], |
|
11573 mx = max(r, g, b), |
|
11574 mn = min(r, g, b), |
|
11575 md; |
|
11576 mn = mn === r ? 0 : mn === g ? 1 : 2; |
|
11577 mx = mx === r ? 0 : mx === g ? 1 : 2; |
|
11578 md = min(mn, mx) === 0 ? max(mn, mx) === 1 ? 2 : 1 : 0; |
|
11579 if (col[mx] > col[mn]) { |
|
11580 col[md] = (col[md] - col[mn]) * s / (col[mx] - col[mn]); |
|
11581 col[mx] = s; |
|
11582 } else { |
|
11583 col[md] = col[mx] = 0; |
|
11584 } |
|
11585 col[mn] = 0; |
|
11586 dr = col[0]; |
|
11587 dg = col[1]; |
|
11588 db = col[2]; |
|
11589 } |
|
11590 |
|
11591 var modes = { |
|
11592 multiply: function() { |
|
11593 dr = br * sr / 255; |
|
11594 dg = bg * sg / 255; |
|
11595 db = bb * sb / 255; |
|
11596 }, |
|
11597 |
|
11598 screen: function() { |
|
11599 dr = br + sr - (br * sr / 255); |
|
11600 dg = bg + sg - (bg * sg / 255); |
|
11601 db = bb + sb - (bb * sb / 255); |
|
11602 }, |
|
11603 |
|
11604 overlay: function() { |
|
11605 dr = br < 128 ? 2 * br * sr / 255 : 255 - 2 * (255 - br) * (255 - sr) / 255; |
|
11606 dg = bg < 128 ? 2 * bg * sg / 255 : 255 - 2 * (255 - bg) * (255 - sg) / 255; |
|
11607 db = bb < 128 ? 2 * bb * sb / 255 : 255 - 2 * (255 - bb) * (255 - sb) / 255; |
|
11608 }, |
|
11609 |
|
11610 'soft-light': function() { |
|
11611 var t = sr * br / 255; |
|
11612 dr = t + br * (255 - (255 - br) * (255 - sr) / 255 - t) / 255; |
|
11613 t = sg * bg / 255; |
|
11614 dg = t + bg * (255 - (255 - bg) * (255 - sg) / 255 - t) / 255; |
|
11615 t = sb * bb / 255; |
|
11616 db = t + bb * (255 - (255 - bb) * (255 - sb) / 255 - t) / 255; |
|
11617 }, |
|
11618 |
|
11619 'hard-light': function() { |
|
11620 dr = sr < 128 ? 2 * sr * br / 255 : 255 - 2 * (255 - sr) * (255 - br) / 255; |
|
11621 dg = sg < 128 ? 2 * sg * bg / 255 : 255 - 2 * (255 - sg) * (255 - bg) / 255; |
|
11622 db = sb < 128 ? 2 * sb * bb / 255 : 255 - 2 * (255 - sb) * (255 - bb) / 255; |
|
11623 }, |
|
11624 |
|
11625 'color-dodge': function() { |
|
11626 dr = br === 0 ? 0 : sr === 255 ? 255 : min(255, 255 * br / (255 - sr)); |
|
11627 dg = bg === 0 ? 0 : sg === 255 ? 255 : min(255, 255 * bg / (255 - sg)); |
|
11628 db = bb === 0 ? 0 : sb === 255 ? 255 : min(255, 255 * bb / (255 - sb)); |
|
11629 }, |
|
11630 |
|
11631 'color-burn': function() { |
|
11632 dr = br === 255 ? 255 : sr === 0 ? 0 : max(0, 255 - (255 - br) * 255 / sr); |
|
11633 dg = bg === 255 ? 255 : sg === 0 ? 0 : max(0, 255 - (255 - bg) * 255 / sg); |
|
11634 db = bb === 255 ? 255 : sb === 0 ? 0 : max(0, 255 - (255 - bb) * 255 / sb); |
|
11635 }, |
|
11636 |
|
11637 darken: function() { |
|
11638 dr = br < sr ? br : sr; |
|
11639 dg = bg < sg ? bg : sg; |
|
11640 db = bb < sb ? bb : sb; |
|
11641 }, |
|
11642 |
|
11643 lighten: function() { |
|
11644 dr = br > sr ? br : sr; |
|
11645 dg = bg > sg ? bg : sg; |
|
11646 db = bb > sb ? bb : sb; |
|
11647 }, |
|
11648 |
|
11649 difference: function() { |
|
11650 dr = br - sr; |
|
11651 if (dr < 0) |
|
11652 dr = -dr; |
|
11653 dg = bg - sg; |
|
11654 if (dg < 0) |
|
11655 dg = -dg; |
|
11656 db = bb - sb; |
|
11657 if (db < 0) |
|
11658 db = -db; |
|
11659 }, |
|
11660 |
|
11661 exclusion: function() { |
|
11662 dr = br + sr * (255 - br - br) / 255; |
|
11663 dg = bg + sg * (255 - bg - bg) / 255; |
|
11664 db = bb + sb * (255 - bb - bb) / 255; |
|
11665 }, |
|
11666 |
|
11667 hue: function() { |
|
11668 setSat(sr, sg, sb, getSat(br, bg, bb)); |
|
11669 setLum(dr, dg, db, getLum(br, bg, bb)); |
|
11670 }, |
|
11671 |
|
11672 saturation: function() { |
|
11673 setSat(br, bg, bb, getSat(sr, sg, sb)); |
|
11674 setLum(dr, dg, db, getLum(br, bg, bb)); |
|
11675 }, |
|
11676 |
|
11677 luminosity: function() { |
|
11678 setLum(br, bg, bb, getLum(sr, sg, sb)); |
|
11679 }, |
|
11680 |
|
11681 color: function() { |
|
11682 setLum(sr, sg, sb, getLum(br, bg, bb)); |
|
11683 }, |
|
11684 |
|
11685 add: function() { |
|
11686 dr = min(br + sr, 255); |
|
11687 dg = min(bg + sg, 255); |
|
11688 db = min(bb + sb, 255); |
|
11689 }, |
|
11690 |
|
11691 subtract: function() { |
|
11692 dr = max(br - sr, 0); |
|
11693 dg = max(bg - sg, 0); |
|
11694 db = max(bb - sb, 0); |
|
11695 }, |
|
11696 |
|
11697 average: function() { |
|
11698 dr = (br + sr) / 2; |
|
11699 dg = (bg + sg) / 2; |
|
11700 db = (bb + sb) / 2; |
|
11701 }, |
|
11702 |
|
11703 negation: function() { |
|
11704 dr = 255 - abs(255 - sr - br); |
|
11705 dg = 255 - abs(255 - sg - bg); |
|
11706 db = 255 - abs(255 - sb - bb); |
|
11707 } |
|
11708 }; |
|
11709 |
|
11710 var nativeModes = this.nativeModes = Base.each([ |
|
11711 'source-over', 'source-in', 'source-out', 'source-atop', |
|
11712 'destination-over', 'destination-in', 'destination-out', |
|
11713 'destination-atop', 'lighter', 'darker', 'copy', 'xor' |
|
11714 ], function(mode) { |
|
11715 this[mode] = true; |
|
11716 }, {}); |
|
11717 |
|
11718 var ctx = CanvasProvider.getContext(1, 1); |
|
11719 Base.each(modes, function(func, mode) { |
|
11720 var darken = mode === 'darken', |
|
11721 ok = false; |
|
11722 ctx.save(); |
|
11723 try { |
|
11724 ctx.fillStyle = darken ? '#300' : '#a00'; |
|
11725 ctx.fillRect(0, 0, 1, 1); |
|
11726 ctx.globalCompositeOperation = mode; |
|
11727 if (ctx.globalCompositeOperation === mode) { |
|
11728 ctx.fillStyle = darken ? '#a00' : '#300'; |
|
11729 ctx.fillRect(0, 0, 1, 1); |
|
11730 ok = ctx.getImageData(0, 0, 1, 1).data[0] !== darken ? 170 : 51; |
|
11731 } |
|
11732 } catch (e) {} |
|
11733 ctx.restore(); |
|
11734 nativeModes[mode] = ok; |
|
11735 }); |
|
11736 CanvasProvider.release(ctx); |
|
11737 |
|
11738 this.process = function(mode, srcContext, dstContext, alpha, offset) { |
|
11739 var srcCanvas = srcContext.canvas, |
|
11740 normal = mode === 'normal'; |
|
11741 if (normal || nativeModes[mode]) { |
|
11742 dstContext.save(); |
|
11743 dstContext.setTransform(1, 0, 0, 1, 0, 0); |
|
11744 dstContext.globalAlpha = alpha; |
|
11745 if (!normal) |
|
11746 dstContext.globalCompositeOperation = mode; |
|
11747 dstContext.drawImage(srcCanvas, offset.x, offset.y); |
|
11748 dstContext.restore(); |
|
11749 } else { |
|
11750 var process = modes[mode]; |
|
11751 if (!process) |
|
11752 return; |
|
11753 var dstData = dstContext.getImageData(offset.x, offset.y, |
|
11754 srcCanvas.width, srcCanvas.height), |
|
11755 dst = dstData.data, |
|
11756 src = srcContext.getImageData(0, 0, |
|
11757 srcCanvas.width, srcCanvas.height).data; |
|
11758 for (var i = 0, l = dst.length; i < l; i += 4) { |
|
11759 sr = src[i]; |
|
11760 br = dst[i]; |
|
11761 sg = src[i + 1]; |
|
11762 bg = dst[i + 1]; |
|
11763 sb = src[i + 2]; |
|
11764 bb = dst[i + 2]; |
|
11765 sa = src[i + 3]; |
|
11766 ba = dst[i + 3]; |
|
11767 process(); |
|
11768 var a1 = sa * alpha / 255, |
|
11769 a2 = 1 - a1; |
|
11770 dst[i] = a1 * dr + a2 * br; |
|
11771 dst[i + 1] = a1 * dg + a2 * bg; |
|
11772 dst[i + 2] = a1 * db + a2 * bb; |
|
11773 dst[i + 3] = sa * alpha + a2 * ba; |
|
11774 } |
|
11775 dstContext.putImageData(dstData, offset.x, offset.y); |
|
11776 } |
|
11777 }; |
|
11778 }; |
|
11779 |
|
11780 var SVGStyles = Base.each({ |
|
11781 fillColor: ['fill', 'color'], |
|
11782 strokeColor: ['stroke', 'color'], |
|
11783 strokeWidth: ['stroke-width', 'number'], |
|
11784 strokeCap: ['stroke-linecap', 'string'], |
|
11785 strokeJoin: ['stroke-linejoin', 'string'], |
|
11786 strokeScaling: ['vector-effect', 'lookup', { |
|
11787 true: 'none', |
|
11788 false: 'non-scaling-stroke' |
|
11789 }, function(item, value) { |
|
11790 return !value |
|
11791 && (item instanceof PathItem |
|
11792 || item instanceof Shape |
|
11793 || item instanceof TextItem); |
|
11794 }], |
|
11795 miterLimit: ['stroke-miterlimit', 'number'], |
|
11796 dashArray: ['stroke-dasharray', 'array'], |
|
11797 dashOffset: ['stroke-dashoffset', 'number'], |
|
11798 fontFamily: ['font-family', 'string'], |
|
11799 fontWeight: ['font-weight', 'string'], |
|
11800 fontSize: ['font-size', 'number'], |
|
11801 justification: ['text-anchor', 'lookup', { |
|
11802 left: 'start', |
|
11803 center: 'middle', |
|
11804 right: 'end' |
|
11805 }], |
|
11806 opacity: ['opacity', 'number'], |
|
11807 blendMode: ['mix-blend-mode', 'string'] |
|
11808 }, function(entry, key) { |
|
11809 var part = Base.capitalize(key), |
|
11810 lookup = entry[2]; |
|
11811 this[key] = { |
|
11812 type: entry[1], |
|
11813 property: key, |
|
11814 attribute: entry[0], |
|
11815 toSVG: lookup, |
|
11816 fromSVG: lookup && Base.each(lookup, function(value, name) { |
|
11817 this[value] = name; |
|
11818 }, {}), |
|
11819 exportFilter: entry[3], |
|
11820 get: 'get' + part, |
|
11821 set: 'set' + part |
|
11822 }; |
|
11823 }, {}); |
|
11824 |
|
11825 var SVGNamespaces = { |
|
11826 href: 'http://www.w3.org/1999/xlink', |
|
11827 xlink: 'http://www.w3.org/2000/xmlns' |
|
11828 }; |
|
11829 |
|
11830 new function() { |
|
11831 var formatter; |
|
11832 |
|
11833 function setAttributes(node, attrs) { |
|
11834 for (var key in attrs) { |
|
11835 var val = attrs[key], |
|
11836 namespace = SVGNamespaces[key]; |
|
11837 if (typeof val === 'number') |
|
11838 val = formatter.number(val); |
|
11839 if (namespace) { |
|
11840 node.setAttributeNS(namespace, key, val); |
|
11841 } else { |
|
11842 node.setAttribute(key, val); |
|
11843 } |
|
11844 } |
|
11845 return node; |
|
11846 } |
|
11847 |
|
11848 function createElement(tag, attrs) { |
|
11849 return setAttributes( |
|
11850 document.createElementNS('http://www.w3.org/2000/svg', tag), attrs); |
|
11851 } |
|
11852 |
|
11853 function getTransform(matrix, coordinates, center) { |
|
11854 var attrs = new Base(), |
|
11855 trans = matrix.getTranslation(); |
|
11856 if (coordinates) { |
|
11857 matrix = matrix.shiftless(); |
|
11858 var point = matrix._inverseTransform(trans); |
|
11859 attrs[center ? 'cx' : 'x'] = point.x; |
|
11860 attrs[center ? 'cy' : 'y'] = point.y; |
|
11861 trans = null; |
|
11862 } |
|
11863 if (!matrix.isIdentity()) { |
|
11864 var decomposed = matrix.decompose(); |
|
11865 if (decomposed && !decomposed.shearing) { |
|
11866 var parts = [], |
|
11867 angle = decomposed.rotation, |
|
11868 scale = decomposed.scaling; |
|
11869 if (trans && !trans.isZero()) |
|
11870 parts.push('translate(' + formatter.point(trans) + ')'); |
|
11871 if (!Numerical.isZero(scale.x - 1) |
|
11872 || !Numerical.isZero(scale.y - 1)) |
|
11873 parts.push('scale(' + formatter.point(scale) +')'); |
|
11874 if (angle) |
|
11875 parts.push('rotate(' + formatter.number(angle) + ')'); |
|
11876 attrs.transform = parts.join(' '); |
|
11877 } else { |
|
11878 attrs.transform = 'matrix(' + matrix.getValues().join(',') + ')'; |
|
11879 } |
|
11880 } |
|
11881 return attrs; |
|
11882 } |
|
11883 |
|
11884 function exportGroup(item, options) { |
|
11885 var attrs = getTransform(item._matrix), |
|
11886 children = item._children; |
|
11887 var node = createElement('g', attrs); |
|
11888 for (var i = 0, l = children.length; i < l; i++) { |
|
11889 var child = children[i]; |
|
11890 var childNode = exportSVG(child, options); |
|
11891 if (childNode) { |
|
11892 if (child.isClipMask()) { |
|
11893 var clip = createElement('clipPath'); |
|
11894 clip.appendChild(childNode); |
|
11895 setDefinition(child, clip, 'clip'); |
|
11896 setAttributes(node, { |
|
11897 'clip-path': 'url(#' + clip.id + ')' |
|
11898 }); |
|
11899 } else { |
|
11900 node.appendChild(childNode); |
|
11901 } |
|
11902 } |
|
11903 } |
|
11904 return node; |
|
11905 } |
|
11906 |
|
11907 function exportRaster(item) { |
|
11908 var attrs = getTransform(item._matrix, true), |
|
11909 size = item.getSize(); |
|
11910 attrs.x -= size.width / 2; |
|
11911 attrs.y -= size.height / 2; |
|
11912 attrs.width = size.width; |
|
11913 attrs.height = size.height; |
|
11914 attrs.href = item.toDataURL(); |
|
11915 return createElement('image', attrs); |
|
11916 } |
|
11917 |
|
11918 function exportPath(item, options) { |
|
11919 if (options.matchShapes) { |
|
11920 var shape = item.toShape(false); |
|
11921 if (shape) |
|
11922 return exportShape(shape, options); |
|
11923 } |
|
11924 var segments = item._segments, |
|
11925 type, |
|
11926 attrs = getTransform(item._matrix); |
|
11927 if (segments.length === 0) |
|
11928 return null; |
|
11929 if (item.isPolygon()) { |
|
11930 if (segments.length >= 3) { |
|
11931 type = item._closed ? 'polygon' : 'polyline'; |
|
11932 var parts = []; |
|
11933 for(i = 0, l = segments.length; i < l; i++) |
|
11934 parts.push(formatter.point(segments[i]._point)); |
|
11935 attrs.points = parts.join(' '); |
|
11936 } else { |
|
11937 type = 'line'; |
|
11938 var first = segments[0]._point, |
|
11939 last = segments[segments.length - 1]._point; |
|
11940 attrs.set({ |
|
11941 x1: first.x, |
|
11942 y1: first.y, |
|
11943 x2: last.x, |
|
11944 y2: last.y |
|
11945 }); |
|
11946 } |
|
11947 } else { |
|
11948 type = 'path'; |
|
11949 attrs.d = item.getPathData(null, options.precision); |
|
11950 } |
|
11951 return createElement(type, attrs); |
|
11952 } |
|
11953 |
|
11954 function exportShape(item) { |
|
11955 var type = item._type, |
|
11956 radius = item._radius, |
|
11957 attrs = getTransform(item._matrix, true, type !== 'rectangle'); |
|
11958 if (type === 'rectangle') { |
|
11959 type = 'rect'; |
|
11960 var size = item._size, |
|
11961 width = size.width, |
|
11962 height = size.height; |
|
11963 attrs.x -= width / 2; |
|
11964 attrs.y -= height / 2; |
|
11965 attrs.width = width; |
|
11966 attrs.height = height; |
|
11967 if (radius.isZero()) |
|
11968 radius = null; |
|
11969 } |
|
11970 if (radius) { |
|
11971 if (type === 'circle') { |
|
11972 attrs.r = radius; |
|
11973 } else { |
|
11974 attrs.rx = radius.width; |
|
11975 attrs.ry = radius.height; |
|
11976 } |
|
11977 } |
|
11978 return createElement(type, attrs); |
|
11979 } |
|
11980 |
|
11981 function exportCompoundPath(item, options) { |
|
11982 var attrs = getTransform(item._matrix); |
|
11983 var data = item.getPathData(null, options.precision); |
|
11984 if (data) |
|
11985 attrs.d = data; |
|
11986 return createElement('path', attrs); |
|
11987 } |
|
11988 |
|
11989 function exportPlacedSymbol(item, options) { |
|
11990 var attrs = getTransform(item._matrix, true), |
|
11991 symbol = item.getSymbol(), |
|
11992 symbolNode = getDefinition(symbol, 'symbol'), |
|
11993 definition = symbol.getDefinition(), |
|
11994 bounds = definition.getBounds(); |
|
11995 if (!symbolNode) { |
|
11996 symbolNode = createElement('symbol', { |
|
11997 viewBox: formatter.rectangle(bounds) |
|
11998 }); |
|
11999 symbolNode.appendChild(exportSVG(definition, options)); |
|
12000 setDefinition(symbol, symbolNode, 'symbol'); |
|
12001 } |
|
12002 attrs.href = '#' + symbolNode.id; |
|
12003 attrs.x += bounds.x; |
|
12004 attrs.y += bounds.y; |
|
12005 attrs.width = formatter.number(bounds.width); |
|
12006 attrs.height = formatter.number(bounds.height); |
|
12007 attrs.overflow = 'visible'; |
|
12008 return createElement('use', attrs); |
|
12009 } |
|
12010 |
|
12011 function exportGradient(color) { |
|
12012 var gradientNode = getDefinition(color, 'color'); |
|
12013 if (!gradientNode) { |
|
12014 var gradient = color.getGradient(), |
|
12015 radial = gradient._radial, |
|
12016 origin = color.getOrigin().transform(), |
|
12017 destination = color.getDestination().transform(), |
|
12018 attrs; |
|
12019 if (radial) { |
|
12020 attrs = { |
|
12021 cx: origin.x, |
|
12022 cy: origin.y, |
|
12023 r: origin.getDistance(destination) |
|
12024 }; |
|
12025 var highlight = color.getHighlight(); |
|
12026 if (highlight) { |
|
12027 highlight = highlight.transform(); |
|
12028 attrs.fx = highlight.x; |
|
12029 attrs.fy = highlight.y; |
|
12030 } |
|
12031 } else { |
|
12032 attrs = { |
|
12033 x1: origin.x, |
|
12034 y1: origin.y, |
|
12035 x2: destination.x, |
|
12036 y2: destination.y |
|
12037 }; |
|
12038 } |
|
12039 attrs.gradientUnits = 'userSpaceOnUse'; |
|
12040 gradientNode = createElement( |
|
12041 (radial ? 'radial' : 'linear') + 'Gradient', attrs); |
|
12042 var stops = gradient._stops; |
|
12043 for (var i = 0, l = stops.length; i < l; i++) { |
|
12044 var stop = stops[i], |
|
12045 stopColor = stop._color, |
|
12046 alpha = stopColor.getAlpha(); |
|
12047 attrs = { |
|
12048 offset: stop._rampPoint, |
|
12049 'stop-color': stopColor.toCSS(true) |
|
12050 }; |
|
12051 if (alpha < 1) |
|
12052 attrs['stop-opacity'] = alpha; |
|
12053 gradientNode.appendChild(createElement('stop', attrs)); |
|
12054 } |
|
12055 setDefinition(color, gradientNode, 'color'); |
|
12056 } |
|
12057 return 'url(#' + gradientNode.id + ')'; |
|
12058 } |
|
12059 |
|
12060 function exportText(item) { |
|
12061 var node = createElement('text', getTransform(item._matrix, true)); |
|
12062 node.textContent = item._content; |
|
12063 return node; |
|
12064 } |
|
12065 |
|
12066 var exporters = { |
|
12067 Group: exportGroup, |
|
12068 Layer: exportGroup, |
|
12069 Raster: exportRaster, |
|
12070 Path: exportPath, |
|
12071 Shape: exportShape, |
|
12072 CompoundPath: exportCompoundPath, |
|
12073 PlacedSymbol: exportPlacedSymbol, |
|
12074 PointText: exportText |
|
12075 }; |
|
12076 |
|
12077 function applyStyle(item, node, isRoot) { |
|
12078 var attrs = {}, |
|
12079 parent = !isRoot && item.getParent(); |
|
12080 |
|
12081 if (item._name != null) |
|
12082 attrs.id = item._name; |
|
12083 |
|
12084 Base.each(SVGStyles, function(entry) { |
|
12085 var get = entry.get, |
|
12086 type = entry.type, |
|
12087 value = item[get](); |
|
12088 if (entry.exportFilter |
|
12089 ? entry.exportFilter(item, value) |
|
12090 : !parent || !Base.equals(parent[get](), value)) { |
|
12091 if (type === 'color' && value != null) { |
|
12092 var alpha = value.getAlpha(); |
|
12093 if (alpha < 1) |
|
12094 attrs[entry.attribute + '-opacity'] = alpha; |
|
12095 } |
|
12096 attrs[entry.attribute] = value == null |
|
12097 ? 'none' |
|
12098 : type === 'number' |
|
12099 ? formatter.number(value) |
|
12100 : type === 'color' |
|
12101 ? value.gradient |
|
12102 ? exportGradient(value, item) |
|
12103 : value.toCSS(true) |
|
12104 : type === 'array' |
|
12105 ? value.join(',') |
|
12106 : type === 'lookup' |
|
12107 ? entry.toSVG[value] |
|
12108 : value; |
|
12109 } |
|
12110 }); |
|
12111 |
|
12112 if (attrs.opacity === 1) |
|
12113 delete attrs.opacity; |
|
12114 |
|
12115 if (!item._visible) |
|
12116 attrs.visibility = 'hidden'; |
|
12117 |
|
12118 return setAttributes(node, attrs); |
|
12119 } |
|
12120 |
|
12121 var definitions; |
|
12122 function getDefinition(item, type) { |
|
12123 if (!definitions) |
|
12124 definitions = { ids: {}, svgs: {} }; |
|
12125 return item && definitions.svgs[type + '-' + item._id]; |
|
12126 } |
|
12127 |
|
12128 function setDefinition(item, node, type) { |
|
12129 if (!definitions) |
|
12130 getDefinition(); |
|
12131 var id = definitions.ids[type] = (definitions.ids[type] || 0) + 1; |
|
12132 node.id = type + '-' + id; |
|
12133 definitions.svgs[type + '-' + item._id] = node; |
|
12134 } |
|
12135 |
|
12136 function exportDefinitions(node, options) { |
|
12137 var svg = node, |
|
12138 defs = null; |
|
12139 if (definitions) { |
|
12140 svg = node.nodeName.toLowerCase() === 'svg' && node; |
|
12141 for (var i in definitions.svgs) { |
|
12142 if (!defs) { |
|
12143 if (!svg) { |
|
12144 svg = createElement('svg'); |
|
12145 svg.appendChild(node); |
|
12146 } |
|
12147 defs = svg.insertBefore(createElement('defs'), |
|
12148 svg.firstChild); |
|
12149 } |
|
12150 defs.appendChild(definitions.svgs[i]); |
|
12151 } |
|
12152 definitions = null; |
|
12153 } |
|
12154 return options.asString |
|
12155 ? new XMLSerializer().serializeToString(svg) |
|
12156 : svg; |
|
12157 } |
|
12158 |
|
12159 function exportSVG(item, options, isRoot) { |
|
12160 var exporter = exporters[item._class], |
|
12161 node = exporter && exporter(item, options); |
|
12162 if (node) { |
|
12163 var onExport = options.onExport; |
|
12164 if (onExport) |
|
12165 node = onExport(item, node, options) || node; |
|
12166 var data = JSON.stringify(item._data); |
|
12167 if (data && data !== '{}' && data !== 'null') |
|
12168 node.setAttribute('data-paper-data', data); |
|
12169 } |
|
12170 return node && applyStyle(item, node, isRoot); |
|
12171 } |
|
12172 |
|
12173 function setOptions(options) { |
|
12174 if (!options) |
|
12175 options = {}; |
|
12176 formatter = new Formatter(options.precision); |
|
12177 return options; |
|
12178 } |
|
12179 |
|
12180 Item.inject({ |
|
12181 exportSVG: function(options) { |
|
12182 options = setOptions(options); |
|
12183 return exportDefinitions(exportSVG(this, options, true), options); |
|
12184 } |
|
12185 }); |
|
12186 |
|
12187 Project.inject({ |
|
12188 exportSVG: function(options) { |
|
12189 options = setOptions(options); |
|
12190 var layers = this.layers, |
|
12191 view = this.getView(), |
|
12192 size = view.getViewSize(), |
|
12193 node = createElement('svg', { |
|
12194 x: 0, |
|
12195 y: 0, |
|
12196 width: size.width, |
|
12197 height: size.height, |
|
12198 version: '1.1', |
|
12199 xmlns: 'http://www.w3.org/2000/svg', |
|
12200 'xmlns:xlink': 'http://www.w3.org/1999/xlink' |
|
12201 }), |
|
12202 parent = node, |
|
12203 matrix = view._matrix; |
|
12204 if (!matrix.isIdentity()) |
|
12205 parent = node.appendChild( |
|
12206 createElement('g', getTransform(matrix))); |
|
12207 for (var i = 0, l = layers.length; i < l; i++) |
|
12208 parent.appendChild(exportSVG(layers[i], options, true)); |
|
12209 return exportDefinitions(node, options); |
|
12210 } |
|
12211 }); |
|
12212 }; |
|
12213 |
|
12214 new function() { |
|
12215 |
|
12216 function getValue(node, name, isString, allowNull) { |
|
12217 var namespace = SVGNamespaces[name], |
|
12218 value = namespace |
|
12219 ? node.getAttributeNS(namespace, name) |
|
12220 : node.getAttribute(name); |
|
12221 if (value === 'null') |
|
12222 value = null; |
|
12223 return value == null |
|
12224 ? allowNull |
|
12225 ? null |
|
12226 : isString |
|
12227 ? '' |
|
12228 : 0 |
|
12229 : isString |
|
12230 ? value |
|
12231 : parseFloat(value); |
|
12232 } |
|
12233 |
|
12234 function getPoint(node, x, y, allowNull) { |
|
12235 x = getValue(node, x, false, allowNull); |
|
12236 y = getValue(node, y, false, allowNull); |
|
12237 return allowNull && (x == null || y == null) ? null |
|
12238 : new Point(x, y); |
|
12239 } |
|
12240 |
|
12241 function getSize(node, w, h, allowNull) { |
|
12242 w = getValue(node, w, false, allowNull); |
|
12243 h = getValue(node, h, false, allowNull); |
|
12244 return allowNull && (w == null || h == null) ? null |
|
12245 : new Size(w, h); |
|
12246 } |
|
12247 |
|
12248 function convertValue(value, type, lookup) { |
|
12249 return value === 'none' |
|
12250 ? null |
|
12251 : type === 'number' |
|
12252 ? parseFloat(value) |
|
12253 : type === 'array' |
|
12254 ? value ? value.split(/[\s,]+/g).map(parseFloat) : [] |
|
12255 : type === 'color' |
|
12256 ? getDefinition(value) || value |
|
12257 : type === 'lookup' |
|
12258 ? lookup[value] |
|
12259 : value; |
|
12260 } |
|
12261 |
|
12262 function importGroup(node, type, options, isRoot) { |
|
12263 var nodes = node.childNodes, |
|
12264 isClip = type === 'clippath', |
|
12265 item = new Group(), |
|
12266 project = item._project, |
|
12267 currentStyle = project._currentStyle, |
|
12268 children = []; |
|
12269 if (!isClip) { |
|
12270 item = applyAttributes(item, node, isRoot); |
|
12271 project._currentStyle = item._style.clone(); |
|
12272 } |
|
12273 for (var i = 0, l = nodes.length; i < l; i++) { |
|
12274 var childNode = nodes[i], |
|
12275 child; |
|
12276 if (childNode.nodeType === 1 |
|
12277 && (child = importSVG(childNode, options, false)) |
|
12278 && !(child instanceof Symbol)) |
|
12279 children.push(child); |
|
12280 } |
|
12281 item.addChildren(children); |
|
12282 if (isClip) |
|
12283 item = applyAttributes(item.reduce(), node, isRoot); |
|
12284 project._currentStyle = currentStyle; |
|
12285 if (isClip || type === 'defs') { |
|
12286 item.remove(); |
|
12287 item = null; |
|
12288 } |
|
12289 return item; |
|
12290 } |
|
12291 |
|
12292 function importPoly(node, type) { |
|
12293 var coords = node.getAttribute('points').match( |
|
12294 /[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g), |
|
12295 points = []; |
|
12296 for (var i = 0, l = coords.length; i < l; i += 2) |
|
12297 points.push(new Point( |
|
12298 parseFloat(coords[i]), |
|
12299 parseFloat(coords[i + 1]))); |
|
12300 var path = new Path(points); |
|
12301 if (type === 'polygon') |
|
12302 path.closePath(); |
|
12303 return path; |
|
12304 } |
|
12305 |
|
12306 function importPath(node) { |
|
12307 var data = node.getAttribute('d'), |
|
12308 param = { pathData: data }; |
|
12309 return (data.match(/m/gi) || []).length > 1 || /z\S+/i.test(data) |
|
12310 ? new CompoundPath(param) |
|
12311 : new Path(param); |
|
12312 } |
|
12313 |
|
12314 function importGradient(node, type) { |
|
12315 var id = (getValue(node, 'href', true) || '').substring(1), |
|
12316 isRadial = type === 'radialgradient', |
|
12317 gradient; |
|
12318 if (id) { |
|
12319 gradient = definitions[id].getGradient(); |
|
12320 } else { |
|
12321 var nodes = node.childNodes, |
|
12322 stops = []; |
|
12323 for (var i = 0, l = nodes.length; i < l; i++) { |
|
12324 var child = nodes[i]; |
|
12325 if (child.nodeType === 1) |
|
12326 stops.push(applyAttributes(new GradientStop(), child)); |
|
12327 } |
|
12328 gradient = new Gradient(stops, isRadial); |
|
12329 } |
|
12330 var origin, destination, highlight; |
|
12331 if (isRadial) { |
|
12332 origin = getPoint(node, 'cx', 'cy'); |
|
12333 destination = origin.add(getValue(node, 'r'), 0); |
|
12334 highlight = getPoint(node, 'fx', 'fy', true); |
|
12335 } else { |
|
12336 origin = getPoint(node, 'x1', 'y1'); |
|
12337 destination = getPoint(node, 'x2', 'y2'); |
|
12338 } |
|
12339 applyAttributes( |
|
12340 new Color(gradient, origin, destination, highlight), node); |
|
12341 return null; |
|
12342 } |
|
12343 |
|
12344 var importers = { |
|
12345 '#document': function (node, type, options, isRoot) { |
|
12346 var nodes = node.childNodes; |
|
12347 for (var i = 0, l = nodes.length; i < l; i++) { |
|
12348 var child = nodes[i]; |
|
12349 if (child.nodeType === 1) { |
|
12350 var next = child.nextSibling; |
|
12351 document.body.appendChild(child); |
|
12352 var item = importSVG(child, options, isRoot); |
|
12353 if (next) { |
|
12354 node.insertBefore(child, next); |
|
12355 } else { |
|
12356 node.appendChild(child); |
|
12357 } |
|
12358 return item; |
|
12359 } |
|
12360 } |
|
12361 }, |
|
12362 g: importGroup, |
|
12363 svg: importGroup, |
|
12364 clippath: importGroup, |
|
12365 polygon: importPoly, |
|
12366 polyline: importPoly, |
|
12367 path: importPath, |
|
12368 lineargradient: importGradient, |
|
12369 radialgradient: importGradient, |
|
12370 |
|
12371 image: function (node) { |
|
12372 var raster = new Raster(getValue(node, 'href', true)); |
|
12373 raster.on('load', function() { |
|
12374 var size = getSize(node, 'width', 'height'); |
|
12375 this.setSize(size); |
|
12376 var center = this._matrix._transformPoint( |
|
12377 getPoint(node, 'x', 'y').add(size.divide(2))); |
|
12378 this.translate(center); |
|
12379 }); |
|
12380 return raster; |
|
12381 }, |
|
12382 |
|
12383 symbol: function(node, type, options, isRoot) { |
|
12384 return new Symbol(importGroup(node, type, options, isRoot), true); |
|
12385 }, |
|
12386 |
|
12387 defs: importGroup, |
|
12388 |
|
12389 use: function(node) { |
|
12390 var id = (getValue(node, 'href', true) || '').substring(1), |
|
12391 definition = definitions[id], |
|
12392 point = getPoint(node, 'x', 'y'); |
|
12393 return definition |
|
12394 ? definition instanceof Symbol |
|
12395 ? definition.place(point) |
|
12396 : definition.clone().translate(point) |
|
12397 : null; |
|
12398 }, |
|
12399 |
|
12400 circle: function(node) { |
|
12401 return new Shape.Circle(getPoint(node, 'cx', 'cy'), |
|
12402 getValue(node, 'r')); |
|
12403 }, |
|
12404 |
|
12405 ellipse: function(node) { |
|
12406 return new Shape.Ellipse({ |
|
12407 center: getPoint(node, 'cx', 'cy'), |
|
12408 radius: getSize(node, 'rx', 'ry') |
|
12409 }); |
|
12410 }, |
|
12411 |
|
12412 rect: function(node) { |
|
12413 var point = getPoint(node, 'x', 'y'), |
|
12414 size = getSize(node, 'width', 'height'), |
|
12415 radius = getSize(node, 'rx', 'ry'); |
|
12416 return new Shape.Rectangle(new Rectangle(point, size), radius); |
|
12417 }, |
|
12418 |
|
12419 line: function(node) { |
|
12420 return new Path.Line(getPoint(node, 'x1', 'y1'), |
|
12421 getPoint(node, 'x2', 'y2')); |
|
12422 }, |
|
12423 |
|
12424 text: function(node) { |
|
12425 var text = new PointText(getPoint(node, 'x', 'y') |
|
12426 .add(getPoint(node, 'dx', 'dy'))); |
|
12427 text.setContent(node.textContent.trim() || ''); |
|
12428 return text; |
|
12429 } |
|
12430 }; |
|
12431 |
|
12432 function applyTransform(item, value, name, node) { |
|
12433 var transforms = (node.getAttribute(name) || '').split(/\)\s*/g), |
|
12434 matrix = new Matrix(); |
|
12435 for (var i = 0, l = transforms.length; i < l; i++) { |
|
12436 var transform = transforms[i]; |
|
12437 if (!transform) |
|
12438 break; |
|
12439 var parts = transform.split(/\(\s*/), |
|
12440 command = parts[0], |
|
12441 v = parts[1].split(/[\s,]+/g); |
|
12442 for (var j = 0, m = v.length; j < m; j++) |
|
12443 v[j] = parseFloat(v[j]); |
|
12444 switch (command) { |
|
12445 case 'matrix': |
|
12446 matrix.concatenate( |
|
12447 new Matrix(v[0], v[1], v[2], v[3], v[4], v[5])); |
|
12448 break; |
|
12449 case 'rotate': |
|
12450 matrix.rotate(v[0], v[1], v[2]); |
|
12451 break; |
|
12452 case 'translate': |
|
12453 matrix.translate(v[0], v[1]); |
|
12454 break; |
|
12455 case 'scale': |
|
12456 matrix.scale(v); |
|
12457 break; |
|
12458 case 'skewX': |
|
12459 matrix.skew(v[0], 0); |
|
12460 break; |
|
12461 case 'skewY': |
|
12462 matrix.skew(0, v[0]); |
|
12463 break; |
|
12464 } |
|
12465 } |
|
12466 item.transform(matrix); |
|
12467 } |
|
12468 |
|
12469 function applyOpacity(item, value, name) { |
|
12470 var color = item[name === 'fill-opacity' ? 'getFillColor' |
|
12471 : 'getStrokeColor'](); |
|
12472 if (color) |
|
12473 color.setAlpha(parseFloat(value)); |
|
12474 } |
|
12475 |
|
12476 var attributes = Base.each(SVGStyles, function(entry) { |
|
12477 this[entry.attribute] = function(item, value) { |
|
12478 item[entry.set](convertValue(value, entry.type, entry.fromSVG)); |
|
12479 if (entry.type === 'color' && item instanceof Shape) { |
|
12480 var color = item[entry.get](); |
|
12481 if (color) |
|
12482 color.transform(new Matrix().translate( |
|
12483 item.getPosition(true).negate())); |
|
12484 } |
|
12485 }; |
|
12486 }, { |
|
12487 id: function(item, value) { |
|
12488 definitions[value] = item; |
|
12489 if (item.setName) |
|
12490 item.setName(value); |
|
12491 }, |
|
12492 |
|
12493 'clip-path': function(item, value) { |
|
12494 var clip = getDefinition(value); |
|
12495 if (clip) { |
|
12496 clip = clip.clone(); |
|
12497 clip.setClipMask(true); |
|
12498 if (item instanceof Group) { |
|
12499 item.insertChild(0, clip); |
|
12500 } else { |
|
12501 return new Group(clip, item); |
|
12502 } |
|
12503 } |
|
12504 }, |
|
12505 |
|
12506 gradientTransform: applyTransform, |
|
12507 transform: applyTransform, |
|
12508 |
|
12509 'fill-opacity': applyOpacity, |
|
12510 'stroke-opacity': applyOpacity, |
|
12511 |
|
12512 visibility: function(item, value) { |
|
12513 item.setVisible(value === 'visible'); |
|
12514 }, |
|
12515 |
|
12516 display: function(item, value) { |
|
12517 item.setVisible(value !== null); |
|
12518 }, |
|
12519 |
|
12520 'stop-color': function(item, value) { |
|
12521 if (item.setColor) |
|
12522 item.setColor(value); |
|
12523 }, |
|
12524 |
|
12525 'stop-opacity': function(item, value) { |
|
12526 if (item._color) |
|
12527 item._color.setAlpha(parseFloat(value)); |
|
12528 }, |
|
12529 |
|
12530 offset: function(item, value) { |
|
12531 var percentage = value.match(/(.*)%$/); |
|
12532 item.setRampPoint(percentage |
|
12533 ? percentage[1] / 100 |
|
12534 : parseFloat(value)); |
|
12535 }, |
|
12536 |
|
12537 viewBox: function(item, value, name, node, styles) { |
|
12538 var rect = new Rectangle(convertValue(value, 'array')), |
|
12539 size = getSize(node, 'width', 'height', true); |
|
12540 if (item instanceof Group) { |
|
12541 var scale = size ? rect.getSize().divide(size) : 1, |
|
12542 matrix = new Matrix().translate(rect.getPoint()).scale(scale); |
|
12543 item.transform(matrix.inverted()); |
|
12544 } else if (item instanceof Symbol) { |
|
12545 if (size) |
|
12546 rect.setSize(size); |
|
12547 var clip = getAttribute(node, 'overflow', styles) != 'visible', |
|
12548 group = item._definition; |
|
12549 if (clip && !rect.contains(group.getBounds())) { |
|
12550 clip = new Shape.Rectangle(rect).transform(group._matrix); |
|
12551 clip.setClipMask(true); |
|
12552 group.addChild(clip); |
|
12553 } |
|
12554 } |
|
12555 } |
|
12556 }); |
|
12557 |
|
12558 function getAttribute(node, name, styles) { |
|
12559 var attr = node.attributes[name], |
|
12560 value = attr && attr.value; |
|
12561 if (!value) { |
|
12562 var style = Base.camelize(name); |
|
12563 value = node.style[style]; |
|
12564 if (!value && styles.node[style] !== styles.parent[style]) |
|
12565 value = styles.node[style]; |
|
12566 } |
|
12567 return !value |
|
12568 ? undefined |
|
12569 : value === 'none' |
|
12570 ? null |
|
12571 : value; |
|
12572 } |
|
12573 |
|
12574 function applyAttributes(item, node, isRoot) { |
|
12575 var styles = { |
|
12576 node: DomElement.getStyles(node) || {}, |
|
12577 parent: !isRoot && DomElement.getStyles(node.parentNode) || {} |
|
12578 }; |
|
12579 Base.each(attributes, function(apply, name) { |
|
12580 var value = getAttribute(node, name, styles); |
|
12581 if (value !== undefined) |
|
12582 item = Base.pick(apply(item, value, name, node, styles), item); |
|
12583 }); |
|
12584 return item; |
|
12585 } |
|
12586 |
|
12587 var definitions = {}; |
|
12588 function getDefinition(value) { |
|
12589 var match = value && value.match(/\((?:#|)([^)']+)/); |
|
12590 return match && definitions[match[1]]; |
|
12591 } |
|
12592 |
|
12593 function importSVG(source, options, isRoot) { |
|
12594 if (!source) |
|
12595 return null; |
|
12596 if (!options) { |
|
12597 options = {}; |
|
12598 } else if (typeof options === 'function') { |
|
12599 options = { onLoad: options }; |
|
12600 } |
|
12601 |
|
12602 var node = source, |
|
12603 scope = paper; |
|
12604 |
|
12605 function onLoadCallback(svg) { |
|
12606 paper = scope; |
|
12607 var item = importSVG(svg, options, isRoot), |
|
12608 onLoad = options.onLoad, |
|
12609 view = scope.project && scope.getView(); |
|
12610 if (onLoad) |
|
12611 onLoad.call(this, item); |
|
12612 view.update(); |
|
12613 } |
|
12614 |
|
12615 if (isRoot) { |
|
12616 if (typeof source === 'string' && !/^.*</.test(source)) { |
|
12617 node = document.getElementById(source); |
|
12618 if (node) { |
|
12619 source = null; |
|
12620 } else { |
|
12621 return Http.request('get', source, onLoadCallback); |
|
12622 } |
|
12623 } else if (typeof File !== 'undefined' && source instanceof File) { |
|
12624 var reader = new FileReader(); |
|
12625 reader.onload = function() { |
|
12626 onLoadCallback(reader.result); |
|
12627 }; |
|
12628 return reader.readAsText(source); |
|
12629 } |
|
12630 } |
|
12631 |
|
12632 if (typeof source === 'string') |
|
12633 node = new DOMParser().parseFromString(source, 'image/svg+xml'); |
|
12634 if (!node.nodeName) |
|
12635 throw new Error('Unsupported SVG source: ' + source); |
|
12636 var type = node.nodeName.toLowerCase(), |
|
12637 importer = importers[type], |
|
12638 item, |
|
12639 data = node.getAttribute && node.getAttribute('data-paper-data'), |
|
12640 settings = scope.settings, |
|
12641 applyMatrix = settings.applyMatrix; |
|
12642 settings.applyMatrix = false; |
|
12643 item = importer && importer(node, type, options, isRoot) || null; |
|
12644 settings.applyMatrix = applyMatrix; |
|
12645 if (item) { |
|
12646 if (type !== '#document' && !(item instanceof Group)) |
|
12647 item = applyAttributes(item, node, isRoot); |
|
12648 var onImport = options.onImport; |
|
12649 if (onImport) |
|
12650 item = onImport(node, item, options) || item; |
|
12651 if (options.expandShapes && item instanceof Shape) { |
|
12652 item.remove(); |
|
12653 item = item.toPath(); |
|
12654 } |
|
12655 if (data) |
|
12656 item._data = JSON.parse(data); |
|
12657 } |
|
12658 if (isRoot) { |
|
12659 definitions = {}; |
|
12660 if (applyMatrix && item) |
|
12661 item.matrix.apply(true, true); |
|
12662 } |
|
12663 return item; |
|
12664 } |
|
12665 |
|
12666 Item.inject({ |
|
12667 importSVG: function(node, options) { |
|
12668 return this.addChild(importSVG(node, options, true)); |
|
12669 } |
|
12670 }); |
|
12671 |
|
12672 Project.inject({ |
|
12673 importSVG: function(node, options) { |
|
12674 this.activate(); |
|
12675 return importSVG(node, options, true); |
|
12676 } |
|
12677 }); |
|
12678 }; |
|
12679 |
|
12680 Base.exports.PaperScript = (function() { |
|
12681 var exports, define, |
|
12682 scope = this; |
|
12683 !function(e,r){return"object"==typeof exports&&"object"==typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):(r(e.acorn||(e.acorn={})),void 0)}(this,function(e){"use strict";function r(e){fr=e||{};for(var r in mr)Object.prototype.hasOwnProperty.call(fr,r)||(fr[r]=mr[r]);hr=fr.sourceFile||null}function t(e,r){var t=vr(dr,e);r+=" ("+t.line+":"+t.column+")";var n=new SyntaxError(r);throw n.pos=e,n.loc=t,n.raisedAt=br,n}function n(e){function r(e){if(1==e.length)return t+="return str === "+JSON.stringify(e[0])+";";t+="switch(str){";for(var r=0;r<e.length;++r)t+="case "+JSON.stringify(e[r])+":";t+="return true}return false;"}e=e.split(" ");var t="",n=[];e:for(var a=0;a<e.length;++a){for(var o=0;o<n.length;++o)if(n[o][0].length==e[a].length){n[o].push(e[a]);continue e}n.push([e[a]])}if(n.length>3){n.sort(function(e,r){return r.length-e.length}),t+="switch(str.length){";for(var a=0;a<n.length;++a){var i=n[a];t+="case "+i[0].length+":",r(i)}t+="}"}else r(e);return new Function("str",t)}function a(){this.line=Ar,this.column=br-Sr}function o(){Ar=1,br=Sr=0,Er=!0,u()}function i(e,r){gr=br,fr.locations&&(kr=new a),wr=e,u(),Cr=r,Er=e.beforeExpr}function s(){var e=fr.onComment&&fr.locations&&new a,r=br,n=dr.indexOf("*/",br+=2);if(-1===n&&t(br-2,"Unterminated comment"),br=n+2,fr.locations){Kt.lastIndex=r;for(var o;(o=Kt.exec(dr))&&o.index<br;)++Ar,Sr=o.index+o[0].length}fr.onComment&&fr.onComment(!0,dr.slice(r+2,n),r,br,e,fr.locations&&new a)}function c(){for(var e=br,r=fr.onComment&&fr.locations&&new a,t=dr.charCodeAt(br+=2);pr>br&&10!==t&&13!==t&&8232!==t&&8233!==t;)++br,t=dr.charCodeAt(br);fr.onComment&&fr.onComment(!1,dr.slice(e+2,br),e,br,r,fr.locations&&new a)}function u(){for(;pr>br;){var e=dr.charCodeAt(br);if(32===e)++br;else if(13===e){++br;var r=dr.charCodeAt(br);10===r&&++br,fr.locations&&(++Ar,Sr=br)}else if(10===e||8232===e||8233===e)++br,fr.locations&&(++Ar,Sr=br);else if(e>8&&14>e)++br;else if(47===e){var 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this"),Jt=/[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/,Pt="\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc",Ht="\u0300-\u036f\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u0620-\u0649\u0672-\u06d3\u06e7-\u06e8\u06fb-\u06fc\u0730-\u074a\u0800-\u0814\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0840-\u0857\u08e4-\u08fe\u0900-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962-\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09d7\u09df-\u09e0\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2-\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b5f-\u0b60\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c01-\u0c03\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62-\u0c63\u0c66-\u0c6f\u0c82\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2-\u0ce3\u0ce6-\u0cef\u0d02\u0d03\u0d46-\u0d48\u0d57\u0d62-\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0df2\u0df3\u0e34-\u0e3a\u0e40-\u0e45\u0e50-\u0e59\u0eb4-\u0eb9\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f41-\u0f47\u0f71-\u0f84\u0f86-\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u1000-\u1029\u1040-\u1049\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u170e-\u1710\u1720-\u1730\u1740-\u1750\u1772\u1773\u1780-\u17b2\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u1920-\u192b\u1930-\u193b\u1951-\u196d\u19b0-\u19c0\u19c8-\u19c9\u19d0-\u19d9\u1a00-\u1a15\u1a20-\u1a53\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1b46-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1bb0-\u1bb9\u1be6-\u1bf3\u1c00-\u1c22\u1c40-\u1c49\u1c5b-\u1c7d\u1cd0-\u1cd2\u1d00-\u1dbe\u1e01-\u1f15\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2d81-\u2d96\u2de0-\u2dff\u3021-\u3028\u3099\u309a\ua640-\ua66d\ua674-\ua67d\ua69f\ua6f0-\ua6f1\ua7f8-\ua800\ua806\ua80b\ua823-\ua827\ua880-\ua881\ua8b4-\ua8c4\ua8d0-\ua8d9\ua8f3-\ua8f7\ua900-\ua909\ua926-\ua92d\ua930-\ua945\ua980-\ua983\ua9b3-\ua9c0\uaa00-\uaa27\uaa40-\uaa41\uaa4c-\uaa4d\uaa50-\uaa59\uaa7b\uaae0-\uaae9\uaaf2-\uaaf3\uabc0-\uabe1\uabec\uabed\uabf0-\uabf9\ufb20-\ufb28\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f",$t=new RegExp("["+Pt+"]"),_t=new RegExp("["+Pt+Ht+"]"),Gt=/[\n\r\u2028\u2029]/,Kt=/\r\n|[\n\r\u2028\u2029]/g,Qt=e.isIdentifierStart=function(e){return 65>e?36===e:91>e?!0:97>e?95===e:123>e?!0:e>=170&&$t.test(String.fromCharCode(e))},Yt=e.isIdentifierChar=function(e){return 48>e?36===e:58>e?!0:65>e?!1:91>e?!0:97>e?95===e:123>e?!0:e>=170&&_t.test(String.fromCharCode(e))},Zt={kind:"loop"},en={kind:"switch"}}); |
|
12684 |
|
12685 var binaryOperators = { |
|
12686 '+': '__add', |
|
12687 '-': '__subtract', |
|
12688 '*': '__multiply', |
|
12689 '/': '__divide', |
|
12690 '%': '__modulo', |
|
12691 '==': 'equals', |
|
12692 '!=': 'equals' |
|
12693 }; |
|
12694 |
|
12695 var unaryOperators = { |
|
12696 '-': '__negate', |
|
12697 '+': null |
|
12698 }; |
|
12699 |
|
12700 var fields = Base.each( |
|
12701 ['add', 'subtract', 'multiply', 'divide', 'modulo', 'negate'], |
|
12702 function(name) { |
|
12703 this['__' + name] = '#' + name; |
|
12704 }, |
|
12705 {} |
|
12706 ); |
|
12707 Point.inject(fields); |
|
12708 Size.inject(fields); |
|
12709 Color.inject(fields); |
|
12710 |
|
12711 function __$__(left, operator, right) { |
|
12712 var handler = binaryOperators[operator]; |
|
12713 if (left && left[handler]) { |
|
12714 var res = left[handler](right); |
|
12715 return operator === '!=' ? !res : res; |
|
12716 } |
|
12717 switch (operator) { |
|
12718 case '+': return left + right; |
|
12719 case '-': return left - right; |
|
12720 case '*': return left * right; |
|
12721 case '/': return left / right; |
|
12722 case '%': return left % right; |
|
12723 case '==': return left == right; |
|
12724 case '!=': return left != right; |
|
12725 } |
|
12726 } |
|
12727 |
|
12728 function $__(operator, value) { |
|
12729 var handler = unaryOperators[operator]; |
|
12730 if (handler && value && value[handler]) |
|
12731 return value[handler](); |
|
12732 switch (operator) { |
|
12733 case '+': return +value; |
|
12734 case '-': return -value; |
|
12735 } |
|
12736 } |
|
12737 |
|
12738 function parse(code, options) { |
|
12739 return scope.acorn.parse(code, options); |
|
12740 } |
|
12741 |
|
12742 function compile(code, url, options) { |
|
12743 if (!code) |
|
12744 return ''; |
|
12745 options = options || {}; |
|
12746 url = url || ''; |
|
12747 |
|
12748 var insertions = []; |
|
12749 |
|
12750 function getOffset(offset) { |
|
12751 for (var i = 0, l = insertions.length; i < l; i++) { |
|
12752 var insertion = insertions[i]; |
|
12753 if (insertion[0] >= offset) |
|
12754 break; |
|
12755 offset += insertion[1]; |
|
12756 } |
|
12757 return offset; |
|
12758 } |
|
12759 |
|
12760 function getCode(node) { |
|
12761 return code.substring(getOffset(node.range[0]), |
|
12762 getOffset(node.range[1])); |
|
12763 } |
|
12764 |
|
12765 function getBetween(left, right) { |
|
12766 return code.substring(getOffset(left.range[1]), |
|
12767 getOffset(right.range[0])); |
|
12768 } |
|
12769 |
|
12770 function replaceCode(node, str) { |
|
12771 var start = getOffset(node.range[0]), |
|
12772 end = getOffset(node.range[1]), |
|
12773 insert = 0; |
|
12774 for (var i = insertions.length - 1; i >= 0; i--) { |
|
12775 if (start > insertions[i][0]) { |
|
12776 insert = i + 1; |
|
12777 break; |
|
12778 } |
|
12779 } |
|
12780 insertions.splice(insert, 0, [start, str.length - end + start]); |
|
12781 code = code.substring(0, start) + str + code.substring(end); |
|
12782 } |
|
12783 |
|
12784 function walkAST(node, parent) { |
|
12785 if (!node) |
|
12786 return; |
|
12787 for (var key in node) { |
|
12788 if (key === 'range' || key === 'loc') |
|
12789 continue; |
|
12790 var value = node[key]; |
|
12791 if (Array.isArray(value)) { |
|
12792 for (var i = 0, l = value.length; i < l; i++) |
|
12793 walkAST(value[i], node); |
|
12794 } else if (value && typeof value === 'object') { |
|
12795 walkAST(value, node); |
|
12796 } |
|
12797 } |
|
12798 switch (node.type) { |
|
12799 case 'UnaryExpression': |
|
12800 if (node.operator in unaryOperators |
|
12801 && node.argument.type !== 'Literal') { |
|
12802 var arg = getCode(node.argument); |
|
12803 replaceCode(node, '$__("' + node.operator + '", ' |
|
12804 + arg + ')'); |
|
12805 } |
|
12806 break; |
|
12807 case 'BinaryExpression': |
|
12808 if (node.operator in binaryOperators |
|
12809 && node.left.type !== 'Literal') { |
|
12810 var left = getCode(node.left), |
|
12811 right = getCode(node.right), |
|
12812 between = getBetween(node.left, node.right), |
|
12813 operator = node.operator; |
|
12814 replaceCode(node, '__$__(' + left + ',' |
|
12815 + between.replace(new RegExp('\\' + operator), |
|
12816 '"' + operator + '"') |
|
12817 + ', ' + right + ')'); |
|
12818 } |
|
12819 break; |
|
12820 case 'UpdateExpression': |
|
12821 case 'AssignmentExpression': |
|
12822 var parentType = parent && parent.type; |
|
12823 if (!( |
|
12824 parentType === 'ForStatement' |
|
12825 || parentType === 'BinaryExpression' |
|
12826 && /^[=!<>]/.test(parent.operator) |
|
12827 || parentType === 'MemberExpression' && parent.computed |
|
12828 )) { |
|
12829 if (node.type === 'UpdateExpression') { |
|
12830 var arg = getCode(node.argument); |
|
12831 var str = arg + ' = __$__(' + arg |
|
12832 + ', "' + node.operator[0] + '", 1)'; |
|
12833 if (!node.prefix |
|
12834 && (parentType === 'AssignmentExpression' |
|
12835 || parentType === 'VariableDeclarator')) |
|
12836 str = arg + '; ' + str; |
|
12837 replaceCode(node, str); |
|
12838 } else { |
|
12839 if (/^.=$/.test(node.operator) |
|
12840 && node.left.type !== 'Literal') { |
|
12841 var left = getCode(node.left), |
|
12842 right = getCode(node.right); |
|
12843 replaceCode(node, left + ' = __$__(' + left + ', "' |
|
12844 + node.operator[0] + '", ' + right + ')'); |
|
12845 } |
|
12846 } |
|
12847 } |
|
12848 break; |
|
12849 } |
|
12850 } |
|
12851 var sourceMap = null, |
|
12852 browser = paper.browser, |
|
12853 version = browser.versionNumber, |
|
12854 lineBreaks = /\r\n|\n|\r/mg; |
|
12855 if (browser.chrome && version >= 30 |
|
12856 || browser.webkit && version >= 537.76 |
|
12857 || browser.firefox && version >= 23) { |
|
12858 var offset = 0; |
|
12859 if (window.location.href.indexOf(url) === 0) { |
|
12860 var html = document.getElementsByTagName('html')[0].innerHTML; |
|
12861 offset = html.substr(0, html.indexOf(code) + 1).match( |
|
12862 lineBreaks).length + 1; |
|
12863 } |
|
12864 var mappings = ['AAAA']; |
|
12865 mappings.length = (code.match(lineBreaks) || []).length + 1 + offset; |
|
12866 sourceMap = { |
|
12867 version: 3, |
|
12868 file: url, |
|
12869 names:[], |
|
12870 mappings: mappings.join(';AACA'), |
|
12871 sourceRoot: '', |
|
12872 sources: [url] |
|
12873 }; |
|
12874 var source = options.source || !url && code; |
|
12875 if (source) |
|
12876 sourceMap.sourcesContent = [source]; |
|
12877 } |
|
12878 walkAST(parse(code, { ranges: true })); |
|
12879 if (sourceMap) { |
|
12880 code = new Array(offset + 1).join('\n') + code |
|
12881 + "\n//# sourceMappingURL=data:application/json;base64," |
|
12882 + (btoa(unescape(encodeURIComponent( |
|
12883 JSON.stringify(sourceMap))))) |
|
12884 + "\n//# sourceURL=" + (url || 'paperscript'); |
|
12885 } |
|
12886 return code; |
|
12887 } |
|
12888 |
|
12889 function execute(code, scope, url, options) { |
|
12890 paper = scope; |
|
12891 var view = scope.getView(), |
|
12892 tool = /\s+on(?:Key|Mouse)(?:Up|Down|Move|Drag)\b/.test(code) |
|
12893 ? new Tool() |
|
12894 : null, |
|
12895 toolHandlers = tool ? tool._events : [], |
|
12896 handlers = ['onFrame', 'onResize'].concat(toolHandlers), |
|
12897 params = [], |
|
12898 args = [], |
|
12899 func; |
|
12900 code = compile(code, url, options); |
|
12901 function expose(scope, hidden) { |
|
12902 for (var key in scope) { |
|
12903 if ((hidden || !/^_/.test(key)) && new RegExp('([\\b\\s\\W]|^)' |
|
12904 + key.replace(/\$/g, '\\$') + '\\b').test(code)) { |
|
12905 params.push(key); |
|
12906 args.push(scope[key]); |
|
12907 } |
|
12908 } |
|
12909 } |
|
12910 expose({ __$__: __$__, $__: $__, paper: scope, view: view, tool: tool }, |
|
12911 true); |
|
12912 expose(scope); |
|
12913 handlers = Base.each(handlers, function(key) { |
|
12914 if (new RegExp('\\s+' + key + '\\b').test(code)) { |
|
12915 params.push(key); |
|
12916 this.push(key + ': ' + key); |
|
12917 } |
|
12918 }, []).join(', '); |
|
12919 if (handlers) |
|
12920 code += '\nreturn { ' + handlers + ' };'; |
|
12921 var browser = paper.browser; |
|
12922 if (browser.chrome || browser.firefox) { |
|
12923 var script = document.createElement('script'), |
|
12924 head = document.head || document.getElementsByTagName('head')[0]; |
|
12925 if (browser.firefox) |
|
12926 code = '\n' + code; |
|
12927 script.appendChild(document.createTextNode( |
|
12928 'paper._execute = function(' + params + ') {' + code + '\n}' |
|
12929 )); |
|
12930 head.appendChild(script); |
|
12931 func = paper._execute; |
|
12932 delete paper._execute; |
|
12933 head.removeChild(script); |
|
12934 } else { |
|
12935 func = Function(params, code); |
|
12936 } |
|
12937 var res = func.apply(scope, args) || {}; |
|
12938 Base.each(toolHandlers, function(key) { |
|
12939 var value = res[key]; |
|
12940 if (value) |
|
12941 tool[key] = value; |
|
12942 }); |
|
12943 if (view) { |
|
12944 if (res.onResize) |
|
12945 view.setOnResize(res.onResize); |
|
12946 view.emit('resize', { |
|
12947 size: view.size, |
|
12948 delta: new Point() |
|
12949 }); |
|
12950 if (res.onFrame) |
|
12951 view.setOnFrame(res.onFrame); |
|
12952 view.update(); |
|
12953 } |
|
12954 } |
|
12955 |
|
12956 function loadScript(script) { |
|
12957 if (/^text\/(?:x-|)paperscript$/.test(script.type) |
|
12958 && PaperScope.getAttribute(script, 'ignore') !== 'true') { |
|
12959 var canvasId = PaperScope.getAttribute(script, 'canvas'), |
|
12960 canvas = document.getElementById(canvasId), |
|
12961 src = script.src, |
|
12962 scopeAttribute = 'data-paper-scope'; |
|
12963 if (!canvas) |
|
12964 throw new Error('Unable to find canvas with id "' |
|
12965 + canvasId + '"'); |
|
12966 var scope = PaperScope.get(canvas.getAttribute(scopeAttribute)) |
|
12967 || new PaperScope().setup(canvas); |
|
12968 canvas.setAttribute(scopeAttribute, scope._id); |
|
12969 if (src) { |
|
12970 Http.request('get', src, function(code) { |
|
12971 execute(code, scope, src); |
|
12972 }); |
|
12973 } else { |
|
12974 execute(script.innerHTML, scope, script.baseURI); |
|
12975 } |
|
12976 script.setAttribute('data-paper-ignore', 'true'); |
|
12977 return scope; |
|
12978 } |
|
12979 } |
|
12980 |
|
12981 function loadAll() { |
|
12982 Base.each(document.getElementsByTagName('script'), loadScript); |
|
12983 } |
|
12984 |
|
12985 function load(script) { |
|
12986 return script ? loadScript(script) : loadAll(); |
|
12987 } |
|
12988 |
|
12989 if (document.readyState === 'complete') { |
|
12990 setTimeout(loadAll); |
|
12991 } else { |
|
12992 DomEvent.add(window, { load: loadAll }); |
|
12993 } |
|
12994 |
|
12995 return { |
|
12996 compile: compile, |
|
12997 execute: execute, |
|
12998 load: load, |
|
12999 parse: parse |
|
13000 }; |
|
13001 |
|
13002 }).call(this); |
|
13003 |
|
13004 paper = new (PaperScope.inject(Base.exports, { |
|
13005 enumerable: true, |
|
13006 Base: Base, |
|
13007 Numerical: Numerical, |
|
13008 Key: Key |
|
13009 }))(); |
|
13010 |
|
13011 if (typeof define === 'function' && define.amd) { |
|
13012 define('paper', paper); |
|
13013 } else if (typeof module === 'object' && module) { |
|
13014 module.exports = paper; |
|
13015 } |
|
13016 |
|
13017 return paper; |
|
13018 }; |