--- a/src/js/libs/paper.js Sat Oct 19 01:34:55 2024 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,13224 +0,0 @@
-/*!
- * Paper.js v0.9.24 - The Swiss Army Knife of Vector Graphics Scripting.
- * http://paperjs.org/
- *
- * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
- * http://scratchdisk.com/ & http://jonathanpuckey.com/
- *
- * Distributed under the MIT license. See LICENSE file for details.
- *
- * All rights reserved.
- *
- * Date: Fri Aug 21 16:39:41 2015 +0200
- *
- ***
- *
- * Straps.js - Class inheritance library with support for bean-style accessors
- *
- * Copyright (c) 2006 - 2013 Juerg Lehni
- * http://scratchdisk.com/
- *
- * Distributed under the MIT license.
- *
- ***
- *
- * Acorn.js
- * http://marijnhaverbeke.nl/acorn/
- *
- * Acorn is a tiny, fast JavaScript parser written in JavaScript,
- * created by Marijn Haverbeke and released under an MIT license.
- *
- */
-
-var paper = new function(undefined) {
-
-var Base = new function() {
- var hidden = /^(statics|enumerable|beans|preserve)$/,
-
- forEach = [].forEach || function(iter, bind) {
- for (var i = 0, l = this.length; i < l; i++)
- iter.call(bind, this[i], i, this);
- },
-
- forIn = function(iter, bind) {
- for (var i in this)
- if (this.hasOwnProperty(i))
- iter.call(bind, this[i], i, this);
- },
-
- create = Object.create || function(proto) {
- return { __proto__: proto };
- },
-
- describe = Object.getOwnPropertyDescriptor || function(obj, name) {
- var get = obj.__lookupGetter__ && obj.__lookupGetter__(name);
- return get
- ? { get: get, set: obj.__lookupSetter__(name),
- enumerable: true, configurable: true }
- : obj.hasOwnProperty(name)
- ? { value: obj[name], enumerable: true,
- configurable: true, writable: true }
- : null;
- },
-
- _define = Object.defineProperty || function(obj, name, desc) {
- if ((desc.get || desc.set) && obj.__defineGetter__) {
- if (desc.get)
- obj.__defineGetter__(name, desc.get);
- if (desc.set)
- obj.__defineSetter__(name, desc.set);
- } else {
- obj[name] = desc.value;
- }
- return obj;
- },
-
- define = function(obj, name, desc) {
- delete obj[name];
- return _define(obj, name, desc);
- };
-
- function inject(dest, src, enumerable, beans, preserve) {
- var beansNames = {};
-
- function field(name, val) {
- val = val || (val = describe(src, name))
- && (val.get ? val : val.value);
- if (typeof val === 'string' && val[0] === '#')
- val = dest[val.substring(1)] || val;
- var isFunc = typeof val === 'function',
- res = val,
- prev = preserve || isFunc && !val.base
- ? (val && val.get ? name in dest : dest[name])
- : null,
- bean;
- if (!preserve || !prev) {
- if (isFunc && prev)
- val.base = prev;
- if (isFunc && beans !== false
- && (bean = name.match(/^([gs]et|is)(([A-Z])(.*))$/)))
- beansNames[bean[3].toLowerCase() + bean[4]] = bean[2];
- if (!res || isFunc || !res.get || typeof res.get !== 'function'
- || !Base.isPlainObject(res))
- res = { value: res, writable: true };
- if ((describe(dest, name)
- || { configurable: true }).configurable) {
- res.configurable = true;
- res.enumerable = enumerable;
- }
- define(dest, name, res);
- }
- }
- if (src) {
- for (var name in src) {
- if (src.hasOwnProperty(name) && !hidden.test(name))
- field(name);
- }
- for (var name in beansNames) {
- var part = beansNames[name],
- set = dest['set' + part],
- get = dest['get' + part] || set && dest['is' + part];
- if (get && (beans === true || get.length === 0))
- field(name, { get: get, set: set });
- }
- }
- return dest;
- }
-
- function each(obj, iter, bind) {
- if (obj)
- ('length' in obj && !obj.getLength
- && typeof obj.length === 'number'
- ? forEach
- : forIn).call(obj, iter, bind = bind || obj);
- return bind;
- }
-
- function set(obj, props, exclude) {
- for (var key in props)
- if (props.hasOwnProperty(key) && !(exclude && exclude[key]))
- obj[key] = props[key];
- return obj;
- }
-
- return inject(function Base() {
- for (var i = 0, l = arguments.length; i < l; i++)
- set(this, arguments[i]);
- }, {
- inject: function(src) {
- if (src) {
- var statics = src.statics === true ? src : src.statics,
- beans = src.beans,
- preserve = src.preserve;
- if (statics !== src)
- inject(this.prototype, src, src.enumerable, beans, preserve);
- inject(this, statics, true, beans, preserve);
- }
- for (var i = 1, l = arguments.length; i < l; i++)
- this.inject(arguments[i]);
- return this;
- },
-
- extend: function() {
- var base = this,
- ctor,
- proto;
- for (var i = 0, l = arguments.length; i < l; i++)
- if (ctor = arguments[i].initialize)
- break;
- ctor = ctor || function() {
- base.apply(this, arguments);
- };
- proto = ctor.prototype = create(this.prototype);
- define(proto, 'constructor',
- { value: ctor, writable: true, configurable: true });
- inject(ctor, this, true);
- if (arguments.length)
- this.inject.apply(ctor, arguments);
- ctor.base = base;
- return ctor;
- }
- }, true).inject({
- inject: function() {
- for (var i = 0, l = arguments.length; i < l; i++) {
- var src = arguments[i];
- if (src)
- inject(this, src, src.enumerable, src.beans, src.preserve);
- }
- return this;
- },
-
- extend: function() {
- var res = create(this);
- return res.inject.apply(res, arguments);
- },
-
- each: function(iter, bind) {
- return each(this, iter, bind);
- },
-
- set: function(props) {
- return set(this, props);
- },
-
- clone: function() {
- return new this.constructor(this);
- },
-
- statics: {
- each: each,
- create: create,
- define: define,
- describe: describe,
- set: set,
-
- clone: function(obj) {
- return set(new obj.constructor(), obj);
- },
-
- isPlainObject: function(obj) {
- var ctor = obj != null && obj.constructor;
- return ctor && (ctor === Object || ctor === Base
- || ctor.name === 'Object');
- },
-
- pick: function(a, b) {
- return a !== undefined ? a : b;
- }
- }
- });
-};
-
-if (typeof module !== 'undefined')
- module.exports = Base;
-
-Base.inject({
- toString: function() {
- return this._id != null
- ? (this._class || 'Object') + (this._name
- ? " '" + this._name + "'"
- : ' @' + this._id)
- : '{ ' + Base.each(this, function(value, key) {
- if (!/^_/.test(key)) {
- var type = typeof value;
- this.push(key + ': ' + (type === 'number'
- ? Formatter.instance.number(value)
- : type === 'string' ? "'" + value + "'" : value));
- }
- }, []).join(', ') + ' }';
- },
-
- getClassName: function() {
- return this._class || '';
- },
-
- exportJSON: function(options) {
- return Base.exportJSON(this, options);
- },
-
- toJSON: function() {
- return Base.serialize(this);
- },
-
- _set: function(props, exclude, dontCheck) {
- if (props && (dontCheck || Base.isPlainObject(props))) {
- var keys = Object.keys(props._filtering || props);
- for (var i = 0, l = keys.length; i < l; i++) {
- var key = keys[i];
- if (!(exclude && exclude[key])) {
- var value = props[key];
- if (value !== undefined)
- this[key] = value;
- }
- }
- return true;
- }
- },
-
- statics: {
-
- exports: {
- enumerable: true
- },
-
- extend: function extend() {
- var res = extend.base.apply(this, arguments),
- name = res.prototype._class;
- if (name && !Base.exports[name])
- Base.exports[name] = res;
- return res;
- },
-
- equals: function(obj1, obj2) {
- if (obj1 === obj2)
- return true;
- if (obj1 && obj1.equals)
- return obj1.equals(obj2);
- if (obj2 && obj2.equals)
- return obj2.equals(obj1);
- if (obj1 && obj2
- && typeof obj1 === 'object' && typeof obj2 === 'object') {
- if (Array.isArray(obj1) && Array.isArray(obj2)) {
- var length = obj1.length;
- if (length !== obj2.length)
- return false;
- while (length--) {
- if (!Base.equals(obj1[length], obj2[length]))
- return false;
- }
- } else {
- var keys = Object.keys(obj1),
- length = keys.length;
- if (length !== Object.keys(obj2).length)
- return false;
- while (length--) {
- var key = keys[length];
- if (!(obj2.hasOwnProperty(key)
- && Base.equals(obj1[key], obj2[key])))
- return false;
- }
- }
- return true;
- }
- return false;
- },
-
- read: function(list, start, options, length) {
- if (this === Base) {
- var value = this.peek(list, start);
- list.__index++;
- return value;
- }
- var proto = this.prototype,
- readIndex = proto._readIndex,
- index = start || readIndex && list.__index || 0;
- if (!length)
- length = list.length - index;
- var obj = list[index];
- if (obj instanceof this
- || options && options.readNull && obj == null && length <= 1) {
- if (readIndex)
- list.__index = index + 1;
- return obj && options && options.clone ? obj.clone() : obj;
- }
- obj = Base.create(this.prototype);
- if (readIndex)
- obj.__read = true;
- obj = obj.initialize.apply(obj, index > 0 || length < list.length
- ? Array.prototype.slice.call(list, index, index + length)
- : list) || obj;
- if (readIndex) {
- list.__index = index + obj.__read;
- obj.__read = undefined;
- }
- return obj;
- },
-
- peek: function(list, start) {
- return list[list.__index = start || list.__index || 0];
- },
-
- remain: function(list) {
- return list.length - (list.__index || 0);
- },
-
- readAll: function(list, start, options) {
- var res = [],
- entry;
- for (var i = start || 0, l = list.length; i < l; i++) {
- res.push(Array.isArray(entry = list[i])
- ? this.read(entry, 0, options)
- : this.read(list, i, options, 1));
- }
- return res;
- },
-
- readNamed: function(list, name, start, options, length) {
- var value = this.getNamed(list, name),
- hasObject = value !== undefined;
- if (hasObject) {
- var filtered = list._filtered;
- if (!filtered) {
- filtered = list._filtered = Base.create(list[0]);
- filtered._filtering = list[0];
- }
- filtered[name] = undefined;
- }
- return this.read(hasObject ? [value] : list, start, options, length);
- },
-
- getNamed: function(list, name) {
- var arg = list[0];
- if (list._hasObject === undefined)
- list._hasObject = list.length === 1 && Base.isPlainObject(arg);
- if (list._hasObject)
- return name ? arg[name] : list._filtered || arg;
- },
-
- hasNamed: function(list, name) {
- return !!this.getNamed(list, name);
- },
-
- isPlainValue: function(obj, asString) {
- return this.isPlainObject(obj) || Array.isArray(obj)
- || asString && typeof obj === 'string';
- },
-
- serialize: function(obj, options, compact, dictionary) {
- options = options || {};
-
- var root = !dictionary,
- res;
- if (root) {
- options.formatter = new Formatter(options.precision);
- dictionary = {
- length: 0,
- definitions: {},
- references: {},
- add: function(item, create) {
- var id = '#' + item._id,
- ref = this.references[id];
- if (!ref) {
- this.length++;
- var res = create.call(item),
- name = item._class;
- if (name && res[0] !== name)
- res.unshift(name);
- this.definitions[id] = res;
- ref = this.references[id] = [id];
- }
- return ref;
- }
- };
- }
- if (obj && obj._serialize) {
- res = obj._serialize(options, dictionary);
- var name = obj._class;
- if (name && !compact && !res._compact && res[0] !== name)
- res.unshift(name);
- } else if (Array.isArray(obj)) {
- res = [];
- for (var i = 0, l = obj.length; i < l; i++)
- res[i] = Base.serialize(obj[i], options, compact,
- dictionary);
- if (compact)
- res._compact = true;
- } else if (Base.isPlainObject(obj)) {
- res = {};
- var keys = Object.keys(obj);
- for (var i = 0, l = keys.length; i < l; i++) {
- var key = keys[i];
- res[key] = Base.serialize(obj[key], options, compact,
- dictionary);
- }
- } else if (typeof obj === 'number') {
- res = options.formatter.number(obj, options.precision);
- } else {
- res = obj;
- }
- return root && dictionary.length > 0
- ? [['dictionary', dictionary.definitions], res]
- : res;
- },
-
- deserialize: function(json, create, _data, _isDictionary) {
- var res = json,
- isRoot = !_data;
- _data = _data || {};
- if (Array.isArray(json)) {
- var type = json[0],
- isDictionary = type === 'dictionary';
- if (json.length == 1 && /^#/.test(type))
- return _data.dictionary[type];
- type = Base.exports[type];
- res = [];
- if (_isDictionary)
- _data.dictionary = res;
- for (var i = type ? 1 : 0, l = json.length; i < l; i++)
- res.push(Base.deserialize(json[i], create, _data,
- isDictionary));
- if (type) {
- var args = res;
- if (create) {
- res = create(type, args);
- } else {
- res = Base.create(type.prototype);
- type.apply(res, args);
- }
- }
- } else if (Base.isPlainObject(json)) {
- res = {};
- if (_isDictionary)
- _data.dictionary = res;
- for (var key in json)
- res[key] = Base.deserialize(json[key], create, _data);
- }
- return isRoot && json && json.length && json[0][0] === 'dictionary'
- ? res[1]
- : res;
- },
-
- exportJSON: function(obj, options) {
- var json = Base.serialize(obj, options);
- return options && options.asString === false
- ? json
- : JSON.stringify(json);
- },
-
- importJSON: function(json, target) {
- return Base.deserialize(
- typeof json === 'string' ? JSON.parse(json) : json,
- function(type, args) {
- var obj = target && target.constructor === type
- ? target
- : Base.create(type.prototype),
- isTarget = obj === target;
- if (args.length === 1 && obj instanceof Item
- && (isTarget || !(obj instanceof Layer))) {
- var arg = args[0];
- if (Base.isPlainObject(arg))
- arg.insert = false;
- }
- type.apply(obj, args);
- if (isTarget)
- target = null;
- return obj;
- });
- },
-
- splice: function(list, items, index, remove) {
- var amount = items && items.length,
- append = index === undefined;
- index = append ? list.length : index;
- if (index > list.length)
- index = list.length;
- for (var i = 0; i < amount; i++)
- items[i]._index = index + i;
- if (append) {
- list.push.apply(list, items);
- return [];
- } else {
- var args = [index, remove];
- if (items)
- args.push.apply(args, items);
- var removed = list.splice.apply(list, args);
- for (var i = 0, l = removed.length; i < l; i++)
- removed[i]._index = undefined;
- for (var i = index + amount, l = list.length; i < l; i++)
- list[i]._index = i;
- return removed;
- }
- },
-
- capitalize: function(str) {
- return str.replace(/\b[a-z]/g, function(match) {
- return match.toUpperCase();
- });
- },
-
- camelize: function(str) {
- return str.replace(/-(.)/g, function(all, chr) {
- return chr.toUpperCase();
- });
- },
-
- hyphenate: function(str) {
- return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
- }
- }
-});
-
-var Emitter = {
- on: function(type, func) {
- if (typeof type !== 'string') {
- Base.each(type, function(value, key) {
- this.on(key, value);
- }, this);
- } else {
- var types = this._eventTypes,
- entry = types && types[type],
- handlers = this._callbacks = this._callbacks || {};
- handlers = handlers[type] = handlers[type] || [];
- if (handlers.indexOf(func) === -1) {
- handlers.push(func);
- if (entry && entry.install && handlers.length == 1)
- entry.install.call(this, type);
- }
- }
- return this;
- },
-
- off: function(type, func) {
- if (typeof type !== 'string') {
- Base.each(type, function(value, key) {
- this.off(key, value);
- }, this);
- return;
- }
- var types = this._eventTypes,
- entry = types && types[type],
- handlers = this._callbacks && this._callbacks[type],
- index;
- if (handlers) {
- if (!func || (index = handlers.indexOf(func)) !== -1
- && handlers.length === 1) {
- if (entry && entry.uninstall)
- entry.uninstall.call(this, type);
- delete this._callbacks[type];
- } else if (index !== -1) {
- handlers.splice(index, 1);
- }
- }
- return this;
- },
-
- once: function(type, func) {
- return this.on(type, function() {
- func.apply(this, arguments);
- this.off(type, func);
- });
- },
-
- emit: function(type, event) {
- var handlers = this._callbacks && this._callbacks[type];
- if (!handlers)
- return false;
- var args = [].slice.call(arguments, 1);
- handlers = handlers.slice();
- for (var i = 0, l = handlers.length; i < l; i++) {
- if (handlers[i].apply(this, args) === false) {
- if (event && event.stop)
- event.stop();
- break;
- }
- }
- return true;
- },
-
- responds: function(type) {
- return !!(this._callbacks && this._callbacks[type]);
- },
-
- attach: '#on',
- detach: '#off',
- fire: '#emit',
-
- _installEvents: function(install) {
- var handlers = this._callbacks,
- key = install ? 'install' : 'uninstall';
- for (var type in handlers) {
- if (handlers[type].length > 0) {
- var types = this._eventTypes,
- entry = types && types[type],
- func = entry && entry[key];
- if (func)
- func.call(this, type);
- }
- }
- },
-
- statics: {
- inject: function inject(src) {
- var events = src._events;
- if (events) {
- var types = {};
- Base.each(events, function(entry, key) {
- var isString = typeof entry === 'string',
- name = isString ? entry : key,
- part = Base.capitalize(name),
- type = name.substring(2).toLowerCase();
- types[type] = isString ? {} : entry;
- name = '_' + name;
- src['get' + part] = function() {
- return this[name];
- };
- src['set' + part] = function(func) {
- var prev = this[name];
- if (prev)
- this.off(type, prev);
- if (func)
- this.on(type, func);
- this[name] = func;
- };
- });
- src._eventTypes = types;
- }
- return inject.base.apply(this, arguments);
- }
- }
-};
-
-var PaperScope = Base.extend({
- _class: 'PaperScope',
-
- initialize: function PaperScope() {
- paper = this;
- this.settings = new Base({
- applyMatrix: true,
- handleSize: 4,
- hitTolerance: 0
- });
- this.project = null;
- this.projects = [];
- this.tools = [];
- this.palettes = [];
- this._id = PaperScope._id++;
- PaperScope._scopes[this._id] = this;
- var proto = PaperScope.prototype;
- if (!this.support) {
- var ctx = CanvasProvider.getContext(1, 1);
- proto.support = {
- nativeDash: 'setLineDash' in ctx || 'mozDash' in ctx,
- nativeBlendModes: BlendMode.nativeModes
- };
- CanvasProvider.release(ctx);
- }
-
- if (!this.browser) {
- var agent = navigator.userAgent.toLowerCase(),
- platform = (/(win)/.exec(agent)
- || /(mac)/.exec(agent)
- || /(linux)/.exec(agent)
- || [])[0],
- browser = proto.browser = { platform: platform };
- if (platform)
- browser[platform] = true;
- agent.replace(
- /(opera|chrome|safari|webkit|firefox|msie|trident|atom)\/?\s*([.\d]+)(?:.*version\/([.\d]+))?(?:.*rv\:([.\d]+))?/g,
- function(all, n, v1, v2, rv) {
- if (!browser.chrome) {
- var v = n === 'opera' ? v2 : v1;
- if (n === 'trident') {
- v = rv;
- n = 'msie';
- }
- browser.version = v;
- browser.versionNumber = parseFloat(v);
- browser.name = n;
- browser[n] = true;
- }
- }
- );
- if (browser.chrome)
- delete browser.webkit;
- if (browser.atom)
- delete browser.chrome;
- }
- },
-
- version: '0.9.24',
-
- getView: function() {
- return this.project && this.project.getView();
- },
-
- getPaper: function() {
- return this;
- },
-
- execute: function(code, url, options) {
- paper.PaperScript.execute(code, this, url, options);
- View.updateFocus();
- },
-
- install: function(scope) {
- var that = this;
- Base.each(['project', 'view', 'tool'], function(key) {
- Base.define(scope, key, {
- configurable: true,
- get: function() {
- return that[key];
- }
- });
- });
- for (var key in this)
- if (!/^_/.test(key) && this[key])
- scope[key] = this[key];
- },
-
- setup: function(element) {
- paper = this;
- this.project = new Project(element);
- return this;
- },
-
- activate: function() {
- paper = this;
- },
-
- clear: function() {
- for (var i = this.projects.length - 1; i >= 0; i--)
- this.projects[i].remove();
- for (var i = this.tools.length - 1; i >= 0; i--)
- this.tools[i].remove();
- for (var i = this.palettes.length - 1; i >= 0; i--)
- this.palettes[i].remove();
- },
-
- remove: function() {
- this.clear();
- delete PaperScope._scopes[this._id];
- },
-
- statics: new function() {
- function handleAttribute(name) {
- name += 'Attribute';
- return function(el, attr) {
- return el[name](attr) || el[name]('data-paper-' + attr);
- };
- }
-
- return {
- _scopes: {},
- _id: 0,
-
- get: function(id) {
- return this._scopes[id] || null;
- },
-
- getAttribute: handleAttribute('get'),
- hasAttribute: handleAttribute('has')
- };
- }
-});
-
-var PaperScopeItem = Base.extend(Emitter, {
-
- initialize: function(activate) {
- this._scope = paper;
- this._index = this._scope[this._list].push(this) - 1;
- if (activate || !this._scope[this._reference])
- this.activate();
- },
-
- activate: function() {
- if (!this._scope)
- return false;
- var prev = this._scope[this._reference];
- if (prev && prev !== this)
- prev.emit('deactivate');
- this._scope[this._reference] = this;
- this.emit('activate', prev);
- return true;
- },
-
- isActive: function() {
- return this._scope[this._reference] === this;
- },
-
- remove: function() {
- if (this._index == null)
- return false;
- Base.splice(this._scope[this._list], null, this._index, 1);
- if (this._scope[this._reference] == this)
- this._scope[this._reference] = null;
- this._scope = null;
- return true;
- }
-});
-
-var Formatter = Base.extend({
- initialize: function(precision) {
- this.precision = precision || 5;
- this.multiplier = Math.pow(10, this.precision);
- },
-
- number: function(val) {
- return Math.round(val * this.multiplier) / this.multiplier;
- },
-
- pair: function(val1, val2, separator) {
- return this.number(val1) + (separator || ',') + this.number(val2);
- },
-
- point: function(val, separator) {
- return this.number(val.x) + (separator || ',') + this.number(val.y);
- },
-
- size: function(val, separator) {
- return this.number(val.width) + (separator || ',')
- + this.number(val.height);
- },
-
- rectangle: function(val, separator) {
- return this.point(val, separator) + (separator || ',')
- + this.size(val, separator);
- }
-});
-
-Formatter.instance = new Formatter();
-
-var Numerical = new function() {
-
- var abscissas = [
- [ 0.5773502691896257645091488],
- [0,0.7745966692414833770358531],
- [ 0.3399810435848562648026658,0.8611363115940525752239465],
- [0,0.5384693101056830910363144,0.9061798459386639927976269],
- [ 0.2386191860831969086305017,0.6612093864662645136613996,0.9324695142031520278123016],
- [0,0.4058451513773971669066064,0.7415311855993944398638648,0.9491079123427585245261897],
- [ 0.1834346424956498049394761,0.5255324099163289858177390,0.7966664774136267395915539,0.9602898564975362316835609],
- [0,0.3242534234038089290385380,0.6133714327005903973087020,0.8360311073266357942994298,0.9681602395076260898355762],
- [ 0.1488743389816312108848260,0.4333953941292471907992659,0.6794095682990244062343274,0.8650633666889845107320967,0.9739065285171717200779640],
- [0,0.2695431559523449723315320,0.5190961292068118159257257,0.7301520055740493240934163,0.8870625997680952990751578,0.9782286581460569928039380],
- [ 0.1252334085114689154724414,0.3678314989981801937526915,0.5873179542866174472967024,0.7699026741943046870368938,0.9041172563704748566784659,0.9815606342467192506905491],
- [0,0.2304583159551347940655281,0.4484927510364468528779129,0.6423493394403402206439846,0.8015780907333099127942065,0.9175983992229779652065478,0.9841830547185881494728294],
- [ 0.1080549487073436620662447,0.3191123689278897604356718,0.5152486363581540919652907,0.6872929048116854701480198,0.8272013150697649931897947,0.9284348836635735173363911,0.9862838086968123388415973],
- [0,0.2011940939974345223006283,0.3941513470775633698972074,0.5709721726085388475372267,0.7244177313601700474161861,0.8482065834104272162006483,0.9372733924007059043077589,0.9879925180204854284895657],
- [ 0.0950125098376374401853193,0.2816035507792589132304605,0.4580167776572273863424194,0.6178762444026437484466718,0.7554044083550030338951012,0.8656312023878317438804679,0.9445750230732325760779884,0.9894009349916499325961542]
- ];
-
- var weights = [
- [1],
- [0.8888888888888888888888889,0.5555555555555555555555556],
- [0.6521451548625461426269361,0.3478548451374538573730639],
- [0.5688888888888888888888889,0.4786286704993664680412915,0.2369268850561890875142640],
- [0.4679139345726910473898703,0.3607615730481386075698335,0.1713244923791703450402961],
- [0.4179591836734693877551020,0.3818300505051189449503698,0.2797053914892766679014678,0.1294849661688696932706114],
- [0.3626837833783619829651504,0.3137066458778872873379622,0.2223810344533744705443560,0.1012285362903762591525314],
- [0.3302393550012597631645251,0.3123470770400028400686304,0.2606106964029354623187429,0.1806481606948574040584720,0.0812743883615744119718922],
- [0.2955242247147528701738930,0.2692667193099963550912269,0.2190863625159820439955349,0.1494513491505805931457763,0.0666713443086881375935688],
- [0.2729250867779006307144835,0.2628045445102466621806889,0.2331937645919904799185237,0.1862902109277342514260976,0.1255803694649046246346943,0.0556685671161736664827537],
- [0.2491470458134027850005624,0.2334925365383548087608499,0.2031674267230659217490645,0.1600783285433462263346525,0.1069393259953184309602547,0.0471753363865118271946160],
- [0.2325515532308739101945895,0.2262831802628972384120902,0.2078160475368885023125232,0.1781459807619457382800467,0.1388735102197872384636018,0.0921214998377284479144218,0.0404840047653158795200216],
- [0.2152638534631577901958764,0.2051984637212956039659241,0.1855383974779378137417166,0.1572031671581935345696019,0.1215185706879031846894148,0.0801580871597602098056333,0.0351194603317518630318329],
- [0.2025782419255612728806202,0.1984314853271115764561183,0.1861610000155622110268006,0.1662692058169939335532009,0.1395706779261543144478048,0.1071592204671719350118695,0.0703660474881081247092674,0.0307532419961172683546284],
- [0.1894506104550684962853967,0.1826034150449235888667637,0.1691565193950025381893121,0.1495959888165767320815017,0.1246289712555338720524763,0.0951585116824927848099251,0.0622535239386478928628438,0.0271524594117540948517806]
- ];
-
- var abs = Math.abs,
- sqrt = Math.sqrt,
- pow = Math.pow,
- TOLERANCE = 1e-6,
- EPSILON = 1e-12,
- MACHINE_EPSILON = 1.12e-16;
-
- return {
- TOLERANCE: TOLERANCE,
- EPSILON: EPSILON,
- MACHINE_EPSILON: MACHINE_EPSILON,
- KAPPA: 4 * (sqrt(2) - 1) / 3,
-
- isZero: function(val) {
- return abs(val) <= EPSILON;
- },
-
- integrate: function(f, a, b, n) {
- var x = abscissas[n - 2],
- w = weights[n - 2],
- A = (b - a) * 0.5,
- B = A + a,
- i = 0,
- m = (n + 1) >> 1,
- sum = n & 1 ? w[i++] * f(B) : 0;
- while (i < m) {
- var Ax = A * x[i];
- sum += w[i++] * (f(B + Ax) + f(B - Ax));
- }
- return A * sum;
- },
-
- findRoot: function(f, df, x, a, b, n, tolerance) {
- for (var i = 0; i < n; i++) {
- var fx = f(x),
- dx = fx / df(x),
- nx = x - dx;
- if (abs(dx) < tolerance)
- return nx;
- if (fx > 0) {
- b = x;
- x = nx <= a ? (a + b) * 0.5 : nx;
- } else {
- a = x;
- x = nx >= b ? (a + b) * 0.5 : nx;
- }
- }
- return x;
- },
-
- solveQuadratic: function(a, b, c, roots, min, max) {
- var count = 0,
- x1, x2 = Infinity,
- B = b,
- D;
- b /= 2;
- D = b * b - a * c;
- if (D !== 0 && abs(D) < MACHINE_EPSILON) {
- var gmC = pow(abs(a * b * c), 1 / 3);
- if (gmC < 1e-8) {
- var mult = pow(10, abs(
- Math.floor(Math.log(gmC) * Math.LOG10E)));
- if (!isFinite(mult))
- mult = 0;
- a *= mult;
- b *= mult;
- c *= mult;
- D = b * b - a * c;
- }
- }
- if (abs(a) < EPSILON) {
- if (abs(B) < EPSILON)
- return abs(c) < EPSILON ? -1 : 0;
- x1 = -c / B;
- } else {
- if (D >= -MACHINE_EPSILON) {
- D = D < 0 ? 0 : D;
- var R = sqrt(D);
- if (b >= MACHINE_EPSILON && b <= MACHINE_EPSILON) {
- x1 = abs(a) >= abs(c) ? R / a : -c / R;
- x2 = -x1;
- } else {
- var q = -(b + (b < 0 ? -1 : 1) * R);
- x1 = q / a;
- x2 = c / q;
- }
- }
- }
- if (isFinite(x1) && (min == null || x1 >= min && x1 <= max))
- roots[count++] = x1;
- if (x2 !== x1
- && isFinite(x2) && (min == null || x2 >= min && x2 <= max))
- roots[count++] = x2;
- return count;
- },
-
- solveCubic: function(a, b, c, d, roots, min, max) {
- var count = 0,
- x, b1, c2;
- if (abs(a) < EPSILON) {
- a = b;
- b1 = c;
- c2 = d;
- x = Infinity;
- } else if (abs(d) < EPSILON) {
- b1 = b;
- c2 = c;
- x = 0;
- } else {
- var ec = 1 + MACHINE_EPSILON,
- x0, q, qd, t, r, s, tmp;
- x = -(b / a) / 3;
- tmp = a * x,
- b1 = tmp + b,
- c2 = b1 * x + c,
- qd = (tmp + b1) * x + c2,
- q = c2 * x + d;
- t = q /a;
- r = pow(abs(t), 1/3);
- s = t < 0 ? -1 : 1;
- t = -qd / a;
- r = t > 0 ? 1.3247179572 * Math.max(r, sqrt(t)) : r;
- x0 = x - s * r;
- if (x0 !== x) {
- do {
- x = x0;
- tmp = a * x,
- b1 = tmp + b,
- c2 = b1 * x + c,
- qd = (tmp + b1) * x + c2,
- q = c2 * x + d;
- x0 = qd === 0 ? x : x - q / qd / ec;
- if (x0 === x) {
- x = x0;
- break;
- }
- } while (s * x0 > s * x);
- if (abs(a) * x * x > abs(d / x)) {
- c2 = -d / x;
- b1 = (c2 - c) / x;
- }
- }
- }
- var count = Numerical.solveQuadratic(a, b1, c2, roots, min, max);
- if (isFinite(x) && (count === 0 || x !== roots[count - 1])
- && (min == null || x >= min && x <= max))
- roots[count++] = x;
- return count;
- }
- };
-};
-
-var UID = {
- _id: 1,
- _pools: {},
-
- get: function(ctor) {
- if (ctor) {
- var name = ctor._class,
- pool = this._pools[name];
- if (!pool)
- pool = this._pools[name] = { _id: 1 };
- return pool._id++;
- } else {
- return this._id++;
- }
- }
-};
-
-var Point = Base.extend({
- _class: 'Point',
- _readIndex: true,
-
- initialize: function Point(arg0, arg1) {
- var type = typeof arg0;
- if (type === 'number') {
- var hasY = typeof arg1 === 'number';
- this.x = arg0;
- this.y = hasY ? arg1 : arg0;
- if (this.__read)
- this.__read = hasY ? 2 : 1;
- } else if (type === 'undefined' || arg0 === null) {
- this.x = this.y = 0;
- if (this.__read)
- this.__read = arg0 === null ? 1 : 0;
- } else {
- if (Array.isArray(arg0)) {
- this.x = arg0[0];
- this.y = arg0.length > 1 ? arg0[1] : arg0[0];
- } else if (arg0.x != null) {
- this.x = arg0.x;
- this.y = arg0.y;
- } else if (arg0.width != null) {
- this.x = arg0.width;
- this.y = arg0.height;
- } else if (arg0.angle != null) {
- this.x = arg0.length;
- this.y = 0;
- this.setAngle(arg0.angle);
- } else {
- this.x = this.y = 0;
- if (this.__read)
- this.__read = 0;
- }
- if (this.__read)
- this.__read = 1;
- }
- },
-
- set: function(x, y) {
- this.x = x;
- this.y = y;
- return this;
- },
-
- equals: function(point) {
- return this === point || point
- && (this.x === point.x && this.y === point.y
- || Array.isArray(point)
- && this.x === point[0] && this.y === point[1])
- || false;
- },
-
- clone: function() {
- return new Point(this.x, this.y);
- },
-
- toString: function() {
- var f = Formatter.instance;
- return '{ x: ' + f.number(this.x) + ', y: ' + f.number(this.y) + ' }';
- },
-
- _serialize: function(options) {
- var f = options.formatter;
- return [f.number(this.x), f.number(this.y)];
- },
-
- getLength: function() {
- return Math.sqrt(this.x * this.x + this.y * this.y);
- },
-
- setLength: function(length) {
- if (this.isZero()) {
- var angle = this._angle || 0;
- this.set(
- Math.cos(angle) * length,
- Math.sin(angle) * length
- );
- } else {
- var scale = length / this.getLength();
- if (Numerical.isZero(scale))
- this.getAngle();
- this.set(
- this.x * scale,
- this.y * scale
- );
- }
- },
- getAngle: function() {
- return this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI;
- },
-
- setAngle: function(angle) {
- this.setAngleInRadians.call(this, angle * Math.PI / 180);
- },
-
- getAngleInDegrees: '#getAngle',
- setAngleInDegrees: '#setAngle',
-
- getAngleInRadians: function() {
- if (!arguments.length) {
- return this.isZero()
- ? this._angle || 0
- : this._angle = Math.atan2(this.y, this.x);
- } else {
- var point = Point.read(arguments),
- div = this.getLength() * point.getLength();
- if (Numerical.isZero(div)) {
- return NaN;
- } else {
- var a = this.dot(point) / div;
- return Math.acos(a < -1 ? -1 : a > 1 ? 1 : a);
- }
- }
- },
-
- setAngleInRadians: function(angle) {
- this._angle = angle;
- if (!this.isZero()) {
- var length = this.getLength();
- this.set(
- Math.cos(angle) * length,
- Math.sin(angle) * length
- );
- }
- },
-
- getQuadrant: function() {
- return this.x >= 0 ? this.y >= 0 ? 1 : 4 : this.y >= 0 ? 2 : 3;
- }
-}, {
- beans: false,
-
- getDirectedAngle: function() {
- var point = Point.read(arguments);
- return Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI;
- },
-
- getDistance: function() {
- var point = Point.read(arguments),
- x = point.x - this.x,
- y = point.y - this.y,
- d = x * x + y * y,
- squared = Base.read(arguments);
- return squared ? d : Math.sqrt(d);
- },
-
- normalize: function(length) {
- if (length === undefined)
- length = 1;
- var current = this.getLength(),
- scale = current !== 0 ? length / current : 0,
- point = new Point(this.x * scale, this.y * scale);
- if (scale >= 0)
- point._angle = this._angle;
- return point;
- },
-
- rotate: function(angle, center) {
- if (angle === 0)
- return this.clone();
- angle = angle * Math.PI / 180;
- var point = center ? this.subtract(center) : this,
- s = Math.sin(angle),
- c = Math.cos(angle);
- point = new Point(
- point.x * c - point.y * s,
- point.x * s + point.y * c
- );
- return center ? point.add(center) : point;
- },
-
- transform: function(matrix) {
- return matrix ? matrix._transformPoint(this) : this;
- },
-
- add: function() {
- var point = Point.read(arguments);
- return new Point(this.x + point.x, this.y + point.y);
- },
-
- subtract: function() {
- var point = Point.read(arguments);
- return new Point(this.x - point.x, this.y - point.y);
- },
-
- multiply: function() {
- var point = Point.read(arguments);
- return new Point(this.x * point.x, this.y * point.y);
- },
-
- divide: function() {
- var point = Point.read(arguments);
- return new Point(this.x / point.x, this.y / point.y);
- },
-
- modulo: function() {
- var point = Point.read(arguments);
- return new Point(this.x % point.x, this.y % point.y);
- },
-
- negate: function() {
- return new Point(-this.x, -this.y);
- },
-
- isInside: function() {
- return Rectangle.read(arguments).contains(this);
- },
-
- isClose: function(point, tolerance) {
- return this.getDistance(point) < tolerance;
- },
-
- isCollinear: function(point) {
- return Math.abs(this.cross(point)) < 0.000001;
- },
-
- isColinear: '#isCollinear',
-
- isOrthogonal: function(point) {
- return Math.abs(this.dot(point)) < 0.000001;
- },
-
- isZero: function() {
- return Numerical.isZero(this.x) && Numerical.isZero(this.y);
- },
-
- isNaN: function() {
- return isNaN(this.x) || isNaN(this.y);
- },
-
- dot: function() {
- var point = Point.read(arguments);
- return this.x * point.x + this.y * point.y;
- },
-
- cross: function() {
- var point = Point.read(arguments);
- return this.x * point.y - this.y * point.x;
- },
-
- project: function() {
- var point = Point.read(arguments);
- if (point.isZero()) {
- return new Point(0, 0);
- } else {
- var scale = this.dot(point) / point.dot(point);
- return new Point(
- point.x * scale,
- point.y * scale
- );
- }
- },
-
- statics: {
- min: function() {
- var point1 = Point.read(arguments),
- point2 = Point.read(arguments);
- return new Point(
- Math.min(point1.x, point2.x),
- Math.min(point1.y, point2.y)
- );
- },
-
- max: function() {
- var point1 = Point.read(arguments),
- point2 = Point.read(arguments);
- return new Point(
- Math.max(point1.x, point2.x),
- Math.max(point1.y, point2.y)
- );
- },
-
- random: function() {
- return new Point(Math.random(), Math.random());
- }
- }
-}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) {
- var op = Math[name];
- this[name] = function() {
- return new Point(op(this.x), op(this.y));
- };
-}, {}));
-
-var LinkedPoint = Point.extend({
- initialize: function Point(x, y, owner, setter) {
- this._x = x;
- this._y = y;
- this._owner = owner;
- this._setter = setter;
- },
-
- set: function(x, y, _dontNotify) {
- this._x = x;
- this._y = y;
- if (!_dontNotify)
- this._owner[this._setter](this);
- return this;
- },
-
- getX: function() {
- return this._x;
- },
-
- setX: function(x) {
- this._x = x;
- this._owner[this._setter](this);
- },
-
- getY: function() {
- return this._y;
- },
-
- setY: function(y) {
- this._y = y;
- this._owner[this._setter](this);
- }
-});
-
-var Size = Base.extend({
- _class: 'Size',
- _readIndex: true,
-
- initialize: function Size(arg0, arg1) {
- var type = typeof arg0;
- if (type === 'number') {
- var hasHeight = typeof arg1 === 'number';
- this.width = arg0;
- this.height = hasHeight ? arg1 : arg0;
- if (this.__read)
- this.__read = hasHeight ? 2 : 1;
- } else if (type === 'undefined' || arg0 === null) {
- this.width = this.height = 0;
- if (this.__read)
- this.__read = arg0 === null ? 1 : 0;
- } else {
- if (Array.isArray(arg0)) {
- this.width = arg0[0];
- this.height = arg0.length > 1 ? arg0[1] : arg0[0];
- } else if (arg0.width != null) {
- this.width = arg0.width;
- this.height = arg0.height;
- } else if (arg0.x != null) {
- this.width = arg0.x;
- this.height = arg0.y;
- } else {
- this.width = this.height = 0;
- if (this.__read)
- this.__read = 0;
- }
- if (this.__read)
- this.__read = 1;
- }
- },
-
- set: function(width, height) {
- this.width = width;
- this.height = height;
- return this;
- },
-
- equals: function(size) {
- return size === this || size && (this.width === size.width
- && this.height === size.height
- || Array.isArray(size) && this.width === size[0]
- && this.height === size[1]) || false;
- },
-
- clone: function() {
- return new Size(this.width, this.height);
- },
-
- toString: function() {
- var f = Formatter.instance;
- return '{ width: ' + f.number(this.width)
- + ', height: ' + f.number(this.height) + ' }';
- },
-
- _serialize: function(options) {
- var f = options.formatter;
- return [f.number(this.width),
- f.number(this.height)];
- },
-
- add: function() {
- var size = Size.read(arguments);
- return new Size(this.width + size.width, this.height + size.height);
- },
-
- subtract: function() {
- var size = Size.read(arguments);
- return new Size(this.width - size.width, this.height - size.height);
- },
-
- multiply: function() {
- var size = Size.read(arguments);
- return new Size(this.width * size.width, this.height * size.height);
- },
-
- divide: function() {
- var size = Size.read(arguments);
- return new Size(this.width / size.width, this.height / size.height);
- },
-
- modulo: function() {
- var size = Size.read(arguments);
- return new Size(this.width % size.width, this.height % size.height);
- },
-
- negate: function() {
- return new Size(-this.width, -this.height);
- },
-
- isZero: function() {
- return Numerical.isZero(this.width) && Numerical.isZero(this.height);
- },
-
- isNaN: function() {
- return isNaN(this.width) || isNaN(this.height);
- },
-
- statics: {
- min: function(size1, size2) {
- return new Size(
- Math.min(size1.width, size2.width),
- Math.min(size1.height, size2.height));
- },
-
- max: function(size1, size2) {
- return new Size(
- Math.max(size1.width, size2.width),
- Math.max(size1.height, size2.height));
- },
-
- random: function() {
- return new Size(Math.random(), Math.random());
- }
- }
-}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) {
- var op = Math[name];
- this[name] = function() {
- return new Size(op(this.width), op(this.height));
- };
-}, {}));
-
-var LinkedSize = Size.extend({
- initialize: function Size(width, height, owner, setter) {
- this._width = width;
- this._height = height;
- this._owner = owner;
- this._setter = setter;
- },
-
- set: function(width, height, _dontNotify) {
- this._width = width;
- this._height = height;
- if (!_dontNotify)
- this._owner[this._setter](this);
- return this;
- },
-
- getWidth: function() {
- return this._width;
- },
-
- setWidth: function(width) {
- this._width = width;
- this._owner[this._setter](this);
- },
-
- getHeight: function() {
- return this._height;
- },
-
- setHeight: function(height) {
- this._height = height;
- this._owner[this._setter](this);
- }
-});
-
-var Rectangle = Base.extend({
- _class: 'Rectangle',
- _readIndex: true,
- beans: true,
-
- initialize: function Rectangle(arg0, arg1, arg2, arg3) {
- var type = typeof arg0,
- read = 0;
- if (type === 'number') {
- this.x = arg0;
- this.y = arg1;
- this.width = arg2;
- this.height = arg3;
- read = 4;
- } else if (type === 'undefined' || arg0 === null) {
- this.x = this.y = this.width = this.height = 0;
- read = arg0 === null ? 1 : 0;
- } else if (arguments.length === 1) {
- if (Array.isArray(arg0)) {
- this.x = arg0[0];
- this.y = arg0[1];
- this.width = arg0[2];
- this.height = arg0[3];
- read = 1;
- } else if (arg0.x !== undefined || arg0.width !== undefined) {
- this.x = arg0.x || 0;
- this.y = arg0.y || 0;
- this.width = arg0.width || 0;
- this.height = arg0.height || 0;
- read = 1;
- } else if (arg0.from === undefined && arg0.to === undefined) {
- this.x = this.y = this.width = this.height = 0;
- this._set(arg0);
- read = 1;
- }
- }
- if (!read) {
- var point = Point.readNamed(arguments, 'from'),
- next = Base.peek(arguments);
- this.x = point.x;
- this.y = point.y;
- if (next && next.x !== undefined || Base.hasNamed(arguments, 'to')) {
- var to = Point.readNamed(arguments, 'to');
- this.width = to.x - point.x;
- this.height = to.y - point.y;
- if (this.width < 0) {
- this.x = to.x;
- this.width = -this.width;
- }
- if (this.height < 0) {
- this.y = to.y;
- this.height = -this.height;
- }
- } else {
- var size = Size.read(arguments);
- this.width = size.width;
- this.height = size.height;
- }
- read = arguments.__index;
- }
- if (this.__read)
- this.__read = read;
- },
-
- set: function(x, y, width, height) {
- this.x = x;
- this.y = y;
- this.width = width;
- this.height = height;
- return this;
- },
-
- clone: function() {
- return new Rectangle(this.x, this.y, this.width, this.height);
- },
-
- equals: function(rect) {
- var rt = Base.isPlainValue(rect)
- ? Rectangle.read(arguments)
- : rect;
- return rt === this
- || rt && this.x === rt.x && this.y === rt.y
- && this.width === rt.width && this.height === rt.height
- || false;
- },
-
- toString: function() {
- var f = Formatter.instance;
- return '{ x: ' + f.number(this.x)
- + ', y: ' + f.number(this.y)
- + ', width: ' + f.number(this.width)
- + ', height: ' + f.number(this.height)
- + ' }';
- },
-
- _serialize: function(options) {
- var f = options.formatter;
- return [f.number(this.x),
- f.number(this.y),
- f.number(this.width),
- f.number(this.height)];
- },
-
- getPoint: function(_dontLink) {
- var ctor = _dontLink ? Point : LinkedPoint;
- return new ctor(this.x, this.y, this, 'setPoint');
- },
-
- setPoint: function() {
- var point = Point.read(arguments);
- this.x = point.x;
- this.y = point.y;
- },
-
- getSize: function(_dontLink) {
- var ctor = _dontLink ? Size : LinkedSize;
- return new ctor(this.width, this.height, this, 'setSize');
- },
-
- setSize: function() {
- var size = Size.read(arguments);
- if (this._fixX)
- this.x += (this.width - size.width) * this._fixX;
- if (this._fixY)
- this.y += (this.height - size.height) * this._fixY;
- this.width = size.width;
- this.height = size.height;
- this._fixW = 1;
- this._fixH = 1;
- },
-
- getLeft: function() {
- return this.x;
- },
-
- setLeft: function(left) {
- if (!this._fixW)
- this.width -= left - this.x;
- this.x = left;
- this._fixX = 0;
- },
-
- getTop: function() {
- return this.y;
- },
-
- setTop: function(top) {
- if (!this._fixH)
- this.height -= top - this.y;
- this.y = top;
- this._fixY = 0;
- },
-
- getRight: function() {
- return this.x + this.width;
- },
-
- setRight: function(right) {
- if (this._fixX !== undefined && this._fixX !== 1)
- this._fixW = 0;
- if (this._fixW)
- this.x = right - this.width;
- else
- this.width = right - this.x;
- this._fixX = 1;
- },
-
- getBottom: function() {
- return this.y + this.height;
- },
-
- setBottom: function(bottom) {
- if (this._fixY !== undefined && this._fixY !== 1)
- this._fixH = 0;
- if (this._fixH)
- this.y = bottom - this.height;
- else
- this.height = bottom - this.y;
- this._fixY = 1;
- },
-
- getCenterX: function() {
- return this.x + this.width * 0.5;
- },
-
- setCenterX: function(x) {
- this.x = x - this.width * 0.5;
- this._fixX = 0.5;
- },
-
- getCenterY: function() {
- return this.y + this.height * 0.5;
- },
-
- setCenterY: function(y) {
- this.y = y - this.height * 0.5;
- this._fixY = 0.5;
- },
-
- getCenter: function(_dontLink) {
- var ctor = _dontLink ? Point : LinkedPoint;
- return new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter');
- },
-
- setCenter: function() {
- var point = Point.read(arguments);
- this.setCenterX(point.x);
- this.setCenterY(point.y);
- return this;
- },
-
- getArea: function() {
- return this.width * this.height;
- },
-
- isEmpty: function() {
- return this.width === 0 || this.height === 0;
- },
-
- contains: function(arg) {
- return arg && arg.width !== undefined
- || (Array.isArray(arg) ? arg : arguments).length == 4
- ? this._containsRectangle(Rectangle.read(arguments))
- : this._containsPoint(Point.read(arguments));
- },
-
- _containsPoint: function(point) {
- var x = point.x,
- y = point.y;
- return x >= this.x && y >= this.y
- && x <= this.x + this.width
- && y <= this.y + this.height;
- },
-
- _containsRectangle: function(rect) {
- var x = rect.x,
- y = rect.y;
- return x >= this.x && y >= this.y
- && x + rect.width <= this.x + this.width
- && y + rect.height <= this.y + this.height;
- },
-
- intersects: function() {
- var rect = Rectangle.read(arguments);
- return rect.x + rect.width > this.x
- && rect.y + rect.height > this.y
- && rect.x < this.x + this.width
- && rect.y < this.y + this.height;
- },
-
- touches: function() {
- var rect = Rectangle.read(arguments);
- return rect.x + rect.width >= this.x
- && rect.y + rect.height >= this.y
- && rect.x <= this.x + this.width
- && rect.y <= this.y + this.height;
- },
-
- intersect: function() {
- var rect = Rectangle.read(arguments),
- x1 = Math.max(this.x, rect.x),
- y1 = Math.max(this.y, rect.y),
- x2 = Math.min(this.x + this.width, rect.x + rect.width),
- y2 = Math.min(this.y + this.height, rect.y + rect.height);
- return new Rectangle(x1, y1, x2 - x1, y2 - y1);
- },
-
- unite: function() {
- var rect = Rectangle.read(arguments),
- x1 = Math.min(this.x, rect.x),
- y1 = Math.min(this.y, rect.y),
- x2 = Math.max(this.x + this.width, rect.x + rect.width),
- y2 = Math.max(this.y + this.height, rect.y + rect.height);
- return new Rectangle(x1, y1, x2 - x1, y2 - y1);
- },
-
- include: function() {
- var point = Point.read(arguments);
- var x1 = Math.min(this.x, point.x),
- y1 = Math.min(this.y, point.y),
- x2 = Math.max(this.x + this.width, point.x),
- y2 = Math.max(this.y + this.height, point.y);
- return new Rectangle(x1, y1, x2 - x1, y2 - y1);
- },
-
- expand: function() {
- var amount = Size.read(arguments),
- hor = amount.width,
- ver = amount.height;
- return new Rectangle(this.x - hor / 2, this.y - ver / 2,
- this.width + hor, this.height + ver);
- },
-
- scale: function(hor, ver) {
- return this.expand(this.width * hor - this.width,
- this.height * (ver === undefined ? hor : ver) - this.height);
- }
-}, Base.each([
- ['Top', 'Left'], ['Top', 'Right'],
- ['Bottom', 'Left'], ['Bottom', 'Right'],
- ['Left', 'Center'], ['Top', 'Center'],
- ['Right', 'Center'], ['Bottom', 'Center']
- ],
- function(parts, index) {
- var part = parts.join('');
- var xFirst = /^[RL]/.test(part);
- if (index >= 4)
- parts[1] += xFirst ? 'Y' : 'X';
- var x = parts[xFirst ? 0 : 1],
- y = parts[xFirst ? 1 : 0],
- getX = 'get' + x,
- getY = 'get' + y,
- setX = 'set' + x,
- setY = 'set' + y,
- get = 'get' + part,
- set = 'set' + part;
- this[get] = function(_dontLink) {
- var ctor = _dontLink ? Point : LinkedPoint;
- return new ctor(this[getX](), this[getY](), this, set);
- };
- this[set] = function() {
- var point = Point.read(arguments);
- this[setX](point.x);
- this[setY](point.y);
- };
- }, {
- beans: true
- }
-));
-
-var LinkedRectangle = Rectangle.extend({
- initialize: function Rectangle(x, y, width, height, owner, setter) {
- this.set(x, y, width, height, true);
- this._owner = owner;
- this._setter = setter;
- },
-
- set: function(x, y, width, height, _dontNotify) {
- this._x = x;
- this._y = y;
- this._width = width;
- this._height = height;
- if (!_dontNotify)
- this._owner[this._setter](this);
- return this;
- }
-}, new function() {
- var proto = Rectangle.prototype;
-
- return Base.each(['x', 'y', 'width', 'height'], function(key) {
- var part = Base.capitalize(key);
- var internal = '_' + key;
- this['get' + part] = function() {
- return this[internal];
- };
-
- this['set' + part] = function(value) {
- this[internal] = value;
- if (!this._dontNotify)
- this._owner[this._setter](this);
- };
- }, Base.each(['Point', 'Size', 'Center',
- 'Left', 'Top', 'Right', 'Bottom', 'CenterX', 'CenterY',
- 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',
- 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'],
- function(key) {
- var name = 'set' + key;
- this[name] = function() {
- this._dontNotify = true;
- proto[name].apply(this, arguments);
- this._dontNotify = false;
- this._owner[this._setter](this);
- };
- }, {
- isSelected: function() {
- return this._owner._boundsSelected;
- },
-
- setSelected: function(selected) {
- var owner = this._owner;
- if (owner.setSelected) {
- owner._boundsSelected = selected;
- owner.setSelected(selected || owner._selectedSegmentState > 0);
- }
- }
- })
- );
-});
-
-var Matrix = Base.extend({
- _class: 'Matrix',
-
- initialize: function Matrix(arg) {
- var count = arguments.length,
- ok = true;
- if (count === 6) {
- this.set.apply(this, arguments);
- } else if (count === 1) {
- if (arg instanceof Matrix) {
- this.set(arg._a, arg._c, arg._b, arg._d, arg._tx, arg._ty);
- } else if (Array.isArray(arg)) {
- this.set.apply(this, arg);
- } else {
- ok = false;
- }
- } else if (count === 0) {
- this.reset();
- } else {
- ok = false;
- }
- if (!ok)
- throw new Error('Unsupported matrix parameters');
- },
-
- set: function(a, c, b, d, tx, ty, _dontNotify) {
- this._a = a;
- this._c = c;
- this._b = b;
- this._d = d;
- this._tx = tx;
- this._ty = ty;
- if (!_dontNotify)
- this._changed();
- return this;
- },
-
- _serialize: function(options) {
- return Base.serialize(this.getValues(), options);
- },
-
- _changed: function() {
- var owner = this._owner;
- if (owner) {
- if (owner._applyMatrix) {
- owner.transform(null, true);
- } else {
- owner._changed(9);
- }
- }
- },
-
- clone: function() {
- return new Matrix(this._a, this._c, this._b, this._d,
- this._tx, this._ty);
- },
-
- equals: function(mx) {
- return mx === this || mx && this._a === mx._a && this._b === mx._b
- && this._c === mx._c && this._d === mx._d
- && this._tx === mx._tx && this._ty === mx._ty
- || false;
- },
-
- toString: function() {
- var f = Formatter.instance;
- return '[[' + [f.number(this._a), f.number(this._b),
- f.number(this._tx)].join(', ') + '], ['
- + [f.number(this._c), f.number(this._d),
- f.number(this._ty)].join(', ') + ']]';
- },
-
- reset: function(_dontNotify) {
- this._a = this._d = 1;
- this._c = this._b = this._tx = this._ty = 0;
- if (!_dontNotify)
- this._changed();
- return this;
- },
-
- apply: function(recursively, _setApplyMatrix) {
- var owner = this._owner;
- if (owner) {
- owner.transform(null, true, Base.pick(recursively, true),
- _setApplyMatrix);
- return this.isIdentity();
- }
- return false;
- },
-
- translate: function() {
- var point = Point.read(arguments),
- x = point.x,
- y = point.y;
- this._tx += x * this._a + y * this._b;
- this._ty += x * this._c + y * this._d;
- this._changed();
- return this;
- },
-
- scale: function() {
- var scale = Point.read(arguments),
- center = Point.read(arguments, 0, { readNull: true });
- if (center)
- this.translate(center);
- this._a *= scale.x;
- this._c *= scale.x;
- this._b *= scale.y;
- this._d *= scale.y;
- if (center)
- this.translate(center.negate());
- this._changed();
- return this;
- },
-
- rotate: function(angle ) {
- angle *= Math.PI / 180;
- var center = Point.read(arguments, 1),
- x = center.x,
- y = center.y,
- cos = Math.cos(angle),
- sin = Math.sin(angle),
- tx = x - x * cos + y * sin,
- ty = y - x * sin - y * cos,
- a = this._a,
- b = this._b,
- c = this._c,
- d = this._d;
- this._a = cos * a + sin * b;
- this._b = -sin * a + cos * b;
- this._c = cos * c + sin * d;
- this._d = -sin * c + cos * d;
- this._tx += tx * a + ty * b;
- this._ty += tx * c + ty * d;
- this._changed();
- return this;
- },
-
- shear: function() {
- var shear = Point.read(arguments),
- center = Point.read(arguments, 0, { readNull: true });
- if (center)
- this.translate(center);
- var a = this._a,
- c = this._c;
- this._a += shear.y * this._b;
- this._c += shear.y * this._d;
- this._b += shear.x * a;
- this._d += shear.x * c;
- if (center)
- this.translate(center.negate());
- this._changed();
- return this;
- },
-
- skew: function() {
- var skew = Point.read(arguments),
- center = Point.read(arguments, 0, { readNull: true }),
- toRadians = Math.PI / 180,
- shear = new Point(Math.tan(skew.x * toRadians),
- Math.tan(skew.y * toRadians));
- return this.shear(shear, center);
- },
-
- concatenate: function(mx) {
- var a1 = this._a,
- b1 = this._b,
- c1 = this._c,
- d1 = this._d,
- a2 = mx._a,
- b2 = mx._b,
- c2 = mx._c,
- d2 = mx._d,
- tx2 = mx._tx,
- ty2 = mx._ty;
- this._a = a2 * a1 + c2 * b1;
- this._b = b2 * a1 + d2 * b1;
- this._c = a2 * c1 + c2 * d1;
- this._d = b2 * c1 + d2 * d1;
- this._tx += tx2 * a1 + ty2 * b1;
- this._ty += tx2 * c1 + ty2 * d1;
- this._changed();
- return this;
- },
-
- preConcatenate: function(mx) {
- var a1 = this._a,
- b1 = this._b,
- c1 = this._c,
- d1 = this._d,
- tx1 = this._tx,
- ty1 = this._ty,
- a2 = mx._a,
- b2 = mx._b,
- c2 = mx._c,
- d2 = mx._d,
- tx2 = mx._tx,
- ty2 = mx._ty;
- this._a = a2 * a1 + b2 * c1;
- this._b = a2 * b1 + b2 * d1;
- this._c = c2 * a1 + d2 * c1;
- this._d = c2 * b1 + d2 * d1;
- this._tx = a2 * tx1 + b2 * ty1 + tx2;
- this._ty = c2 * tx1 + d2 * ty1 + ty2;
- this._changed();
- return this;
- },
-
- chain: function(mx) {
- var a1 = this._a,
- b1 = this._b,
- c1 = this._c,
- d1 = this._d,
- tx1 = this._tx,
- ty1 = this._ty,
- a2 = mx._a,
- b2 = mx._b,
- c2 = mx._c,
- d2 = mx._d,
- tx2 = mx._tx,
- ty2 = mx._ty;
- return new Matrix(
- a2 * a1 + c2 * b1,
- a2 * c1 + c2 * d1,
- b2 * a1 + d2 * b1,
- b2 * c1 + d2 * d1,
- tx1 + tx2 * a1 + ty2 * b1,
- ty1 + tx2 * c1 + ty2 * d1);
- },
-
- isIdentity: function() {
- return this._a === 1 && this._c === 0 && this._b === 0 && this._d === 1
- && this._tx === 0 && this._ty === 0;
- },
-
- orNullIfIdentity: function() {
- return this.isIdentity() ? null : this;
- },
-
- isInvertible: function() {
- return !!this._getDeterminant();
- },
-
- isSingular: function() {
- return !this._getDeterminant();
- },
-
- transform: function( src, dst, count) {
- return arguments.length < 3
- ? this._transformPoint(Point.read(arguments))
- : this._transformCoordinates(src, dst, count);
- },
-
- _transformPoint: function(point, dest, _dontNotify) {
- var x = point.x,
- y = point.y;
- if (!dest)
- dest = new Point();
- return dest.set(
- x * this._a + y * this._b + this._tx,
- x * this._c + y * this._d + this._ty,
- _dontNotify
- );
- },
-
- _transformCoordinates: function(src, dst, count) {
- var i = 0,
- j = 0,
- max = 2 * count;
- while (i < max) {
- var x = src[i++],
- y = src[i++];
- dst[j++] = x * this._a + y * this._b + this._tx;
- dst[j++] = x * this._c + y * this._d + this._ty;
- }
- return dst;
- },
-
- _transformCorners: function(rect) {
- var x1 = rect.x,
- y1 = rect.y,
- x2 = x1 + rect.width,
- y2 = y1 + rect.height,
- coords = [ x1, y1, x2, y1, x2, y2, x1, y2 ];
- return this._transformCoordinates(coords, coords, 4);
- },
-
- _transformBounds: function(bounds, dest, _dontNotify) {
- var coords = this._transformCorners(bounds),
- min = coords.slice(0, 2),
- max = coords.slice();
- for (var i = 2; i < 8; i++) {
- var val = coords[i],
- j = i & 1;
- if (val < min[j])
- min[j] = val;
- else if (val > max[j])
- max[j] = val;
- }
- if (!dest)
- dest = new Rectangle();
- return dest.set(min[0], min[1], max[0] - min[0], max[1] - min[1],
- _dontNotify);
- },
-
- inverseTransform: function() {
- return this._inverseTransform(Point.read(arguments));
- },
-
- _getDeterminant: function() {
- var det = this._a * this._d - this._b * this._c;
- return isFinite(det) && !Numerical.isZero(det)
- && isFinite(this._tx) && isFinite(this._ty)
- ? det : null;
- },
-
- _inverseTransform: function(point, dest, _dontNotify) {
- var det = this._getDeterminant();
- if (!det)
- return null;
- var x = point.x - this._tx,
- y = point.y - this._ty;
- if (!dest)
- dest = new Point();
- return dest.set(
- (x * this._d - y * this._b) / det,
- (y * this._a - x * this._c) / det,
- _dontNotify
- );
- },
-
- decompose: function() {
- var a = this._a, b = this._b, c = this._c, d = this._d;
- if (Numerical.isZero(a * d - b * c))
- return null;
-
- var scaleX = Math.sqrt(a * a + b * b);
- a /= scaleX;
- b /= scaleX;
-
- var shear = a * c + b * d;
- c -= a * shear;
- d -= b * shear;
-
- var scaleY = Math.sqrt(c * c + d * d);
- c /= scaleY;
- d /= scaleY;
- shear /= scaleY;
-
- if (a * d < b * c) {
- a = -a;
- b = -b;
- shear = -shear;
- scaleX = -scaleX;
- }
-
- return {
- scaling: new Point(scaleX, scaleY),
- rotation: -Math.atan2(b, a) * 180 / Math.PI,
- shearing: shear
- };
- },
-
- getValues: function() {
- return [ this._a, this._c, this._b, this._d, this._tx, this._ty ];
- },
-
- getTranslation: function() {
- return new Point(this._tx, this._ty);
- },
-
- getScaling: function() {
- return (this.decompose() || {}).scaling;
- },
-
- getRotation: function() {
- return (this.decompose() || {}).rotation;
- },
-
- inverted: function() {
- var det = this._getDeterminant();
- return det && new Matrix(
- this._d / det,
- -this._c / det,
- -this._b / det,
- this._a / det,
- (this._b * this._ty - this._d * this._tx) / det,
- (this._c * this._tx - this._a * this._ty) / det);
- },
-
- shiftless: function() {
- return new Matrix(this._a, this._c, this._b, this._d, 0, 0);
- },
-
- applyToContext: function(ctx) {
- ctx.transform(this._a, this._c, this._b, this._d, this._tx, this._ty);
- }
-}, Base.each(['a', 'c', 'b', 'd', 'tx', 'ty'], function(name) {
- var part = Base.capitalize(name),
- prop = '_' + name;
- this['get' + part] = function() {
- return this[prop];
- };
- this['set' + part] = function(value) {
- this[prop] = value;
- this._changed();
- };
-}, {}));
-
-var Line = Base.extend({
- _class: 'Line',
-
- initialize: function Line(arg0, arg1, arg2, arg3, arg4) {
- var asVector = false;
- if (arguments.length >= 4) {
- this._px = arg0;
- this._py = arg1;
- this._vx = arg2;
- this._vy = arg3;
- asVector = arg4;
- } else {
- this._px = arg0.x;
- this._py = arg0.y;
- this._vx = arg1.x;
- this._vy = arg1.y;
- asVector = arg2;
- }
- if (!asVector) {
- this._vx -= this._px;
- this._vy -= this._py;
- }
- },
-
- getPoint: function() {
- return new Point(this._px, this._py);
- },
-
- getVector: function() {
- return new Point(this._vx, this._vy);
- },
-
- getLength: function() {
- return this.getVector().getLength();
- },
-
- intersect: function(line, isInfinite) {
- return Line.intersect(
- this._px, this._py, this._vx, this._vy,
- line._px, line._py, line._vx, line._vy,
- true, isInfinite);
- },
-
- getSide: function(point) {
- return Line.getSide(
- this._px, this._py, this._vx, this._vy,
- point.x, point.y, true);
- },
-
- getDistance: function(point) {
- return Math.abs(Line.getSignedDistance(
- this._px, this._py, this._vx, this._vy,
- point.x, point.y, true));
- },
-
- statics: {
- intersect: function(apx, apy, avx, avy, bpx, bpy, bvx, bvy, asVector,
- isInfinite) {
- if (!asVector) {
- avx -= apx;
- avy -= apy;
- bvx -= bpx;
- bvy -= bpy;
- }
- var cross = avx * bvy - avy * bvx;
- if (!Numerical.isZero(cross)) {
- var dx = apx - bpx,
- dy = apy - bpy,
- ta = (bvx * dy - bvy * dx) / cross,
- tb = (avx * dy - avy * dx) / cross;
- if (isInfinite || 0 <= ta && ta <= 1 && 0 <= tb && tb <= 1)
- return new Point(
- apx + ta * avx,
- apy + ta * avy);
- }
- },
-
- getSide: function(px, py, vx, vy, x, y, asVector) {
- if (!asVector) {
- vx -= px;
- vy -= py;
- }
- var v2x = x - px,
- v2y = y - py,
- ccw = v2x * vy - v2y * vx;
- if (ccw === 0) {
- ccw = v2x * vx + v2y * vy;
- if (ccw > 0) {
- v2x -= vx;
- v2y -= vy;
- ccw = v2x * vx + v2y * vy;
- if (ccw < 0)
- ccw = 0;
- }
- }
- return ccw < 0 ? -1 : ccw > 0 ? 1 : 0;
- },
-
- getSignedDistance: function(px, py, vx, vy, x, y, asVector) {
- if (!asVector) {
- vx -= px;
- vy -= py;
- }
- return Numerical.isZero(vx)
- ? vy >= 0 ? px - x : x - px
- : Numerical.isZero(vy)
- ? vx >= 0 ? y - py : py - y
- : (vx * (y - py) - vy * (x - px)) / Math.sqrt(vx * vx + vy * vy);
- }
- }
-});
-
-var Project = PaperScopeItem.extend({
- _class: 'Project',
- _list: 'projects',
- _reference: 'project',
-
- initialize: function Project(element) {
- PaperScopeItem.call(this, true);
- this.layers = [];
- this._activeLayer = null;
- this.symbols = [];
- this._currentStyle = new Style(null, null, this);
- this._view = View.create(this,
- element || CanvasProvider.getCanvas(1, 1));
- this._selectedItems = {};
- this._selectedItemCount = 0;
- this._updateVersion = 0;
- },
-
- _serialize: function(options, dictionary) {
- return Base.serialize(this.layers, options, true, dictionary);
- },
-
- clear: function() {
- for (var i = this.layers.length - 1; i >= 0; i--)
- this.layers[i].remove();
- this.symbols = [];
- },
-
- isEmpty: function() {
- return this.layers.length === 0;
- },
-
- remove: function remove() {
- if (!remove.base.call(this))
- return false;
- if (this._view)
- this._view.remove();
- return true;
- },
-
- getView: function() {
- return this._view;
- },
-
- getCurrentStyle: function() {
- return this._currentStyle;
- },
-
- setCurrentStyle: function(style) {
- this._currentStyle.initialize(style);
- },
-
- getIndex: function() {
- return this._index;
- },
-
- getOptions: function() {
- return this._scope.settings;
- },
-
- getActiveLayer: function() {
- return this._activeLayer || new Layer({ project: this });
- },
-
- getSelectedItems: function() {
- var items = [];
- for (var id in this._selectedItems) {
- var item = this._selectedItems[id];
- if (item.isInserted())
- items.push(item);
- }
- return items;
- },
-
- insertChild: function(index, item, _preserve) {
- if (item instanceof Layer) {
- item._remove(false, true);
- Base.splice(this.layers, [item], index, 0);
- item._setProject(this, true);
- if (this._changes)
- item._changed(5);
- if (!this._activeLayer)
- this._activeLayer = item;
- } else if (item instanceof Item) {
- (this._activeLayer
- || this.insertChild(index, new Layer(Item.NO_INSERT)))
- .insertChild(index, item, _preserve);
- } else {
- item = null;
- }
- return item;
- },
-
- addChild: function(item, _preserve) {
- return this.insertChild(undefined, item, _preserve);
- },
-
- _updateSelection: function(item) {
- var id = item._id,
- selectedItems = this._selectedItems;
- if (item._selected) {
- if (selectedItems[id] !== item) {
- this._selectedItemCount++;
- selectedItems[id] = item;
- }
- } else if (selectedItems[id] === item) {
- this._selectedItemCount--;
- delete selectedItems[id];
- }
- },
-
- selectAll: function() {
- var layers = this.layers;
- for (var i = 0, l = layers.length; i < l; i++)
- layers[i].setFullySelected(true);
- },
-
- deselectAll: function() {
- var selectedItems = this._selectedItems;
- for (var i in selectedItems)
- selectedItems[i].setFullySelected(false);
- },
-
- hitTest: function() {
- var point = Point.read(arguments),
- options = HitResult.getOptions(Base.read(arguments));
- for (var i = this.layers.length - 1; i >= 0; i--) {
- var res = this.layers[i]._hitTest(point, options);
- if (res) return res;
- }
- return null;
- },
-
- getItems: function(match) {
- return Item._getItems(this.layers, match);
- },
-
- getItem: function(match) {
- return Item._getItems(this.layers, match, null, null, true)[0] || null;
- },
-
- importJSON: function(json) {
- this.activate();
- var layer = this._activeLayer;
- return Base.importJSON(json, layer && layer.isEmpty() && layer);
- },
-
- draw: function(ctx, matrix, pixelRatio) {
- this._updateVersion++;
- ctx.save();
- matrix.applyToContext(ctx);
- var param = new Base({
- offset: new Point(0, 0),
- pixelRatio: pixelRatio,
- viewMatrix: matrix.isIdentity() ? null : matrix,
- matrices: [new Matrix()],
- updateMatrix: true
- });
- for (var i = 0, layers = this.layers, l = layers.length; i < l; i++)
- layers[i].draw(ctx, param);
- ctx.restore();
-
- if (this._selectedItemCount > 0) {
- ctx.save();
- ctx.strokeWidth = 1;
- var items = this._selectedItems,
- size = this._scope.settings.handleSize,
- version = this._updateVersion;
- for (var id in items)
- items[id]._drawSelection(ctx, matrix, size, items, version);
- ctx.restore();
- }
- }
-});
-
-var Symbol = Base.extend({
- _class: 'Symbol',
-
- initialize: function Symbol(item, dontCenter) {
- this._id = UID.get();
- this.project = paper.project;
- this.project.symbols.push(this);
- if (item)
- this.setDefinition(item, dontCenter);
- },
-
- _serialize: function(options, dictionary) {
- return dictionary.add(this, function() {
- return Base.serialize([this._class, this._definition],
- options, false, dictionary);
- });
- },
-
- _changed: function(flags) {
- if (flags & 8) {
- Item._clearBoundsCache(this);
- }
- if (flags & 1) {
- this.project._needsUpdate = true;
- }
- },
-
- getDefinition: function() {
- return this._definition;
- },
-
- setDefinition: function(item, _dontCenter) {
- if (item._parentSymbol)
- item = item.clone();
- if (this._definition)
- this._definition._parentSymbol = null;
- this._definition = item;
- item.remove();
- item.setSelected(false);
- if (!_dontCenter)
- item.setPosition(new Point());
- item._parentSymbol = this;
- this._changed(9);
- },
-
- place: function(position) {
- return new PlacedSymbol(this, position);
- },
-
- clone: function() {
- return new Symbol(this._definition.clone(false));
- },
-
- equals: function(symbol) {
- return symbol === this
- || symbol && this.definition.equals(symbol.definition)
- || false;
- }
-});
-
-var Item = Base.extend(Emitter, {
- statics: {
- extend: function extend(src) {
- if (src._serializeFields)
- src._serializeFields = new Base(
- this.prototype._serializeFields, src._serializeFields);
- return extend.base.apply(this, arguments);
- },
-
- NO_INSERT: { insert: false }
- },
-
- _class: 'Item',
- _applyMatrix: true,
- _canApplyMatrix: true,
- _boundsSelected: false,
- _selectChildren: false,
- _serializeFields: {
- name: null,
- applyMatrix: null,
- matrix: new Matrix(),
- pivot: null,
- locked: false,
- visible: true,
- blendMode: 'normal',
- opacity: 1,
- guide: false,
- selected: false,
- clipMask: false,
- data: {}
- },
-
- initialize: function Item() {
- },
-
- _initialize: function(props, point) {
- var hasProps = props && Base.isPlainObject(props),
- internal = hasProps && props.internal === true,
- matrix = this._matrix = new Matrix(),
- project = hasProps && props.project || paper.project;
- if (!internal)
- this._id = UID.get();
- this._applyMatrix = this._canApplyMatrix && paper.settings.applyMatrix;
- if (point)
- matrix.translate(point);
- matrix._owner = this;
- this._style = new Style(project._currentStyle, this, project);
- if (!this._project) {
- if (internal || hasProps && props.insert === false) {
- this._setProject(project);
- } else if (hasProps && props.parent) {
- this.setParent(props.parent);
- } else {
- (project._activeLayer || new Layer()).addChild(this);
- }
- }
- if (hasProps && props !== Item.NO_INSERT)
- this._set(props, { insert: true, project: true, parent: true },
- true);
- return hasProps;
- },
-
- _events: new function() {
-
- var mouseFlags = {
- mousedown: {
- mousedown: 1,
- mousedrag: 1,
- click: 1,
- doubleclick: 1
- },
- mouseup: {
- mouseup: 1,
- mousedrag: 1,
- click: 1,
- doubleclick: 1
- },
- mousemove: {
- mousedrag: 1,
- mousemove: 1,
- mouseenter: 1,
- mouseleave: 1
- }
- };
-
- var mouseEvent = {
- install: function(type) {
- var counters = this.getView()._eventCounters;
- if (counters) {
- for (var key in mouseFlags) {
- counters[key] = (counters[key] || 0)
- + (mouseFlags[key][type] || 0);
- }
- }
- },
- uninstall: function(type) {
- var counters = this.getView()._eventCounters;
- if (counters) {
- for (var key in mouseFlags)
- counters[key] -= mouseFlags[key][type] || 0;
- }
- }
- };
-
- return Base.each(['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onClick',
- 'onDoubleClick', 'onMouseMove', 'onMouseEnter', 'onMouseLeave'],
- function(name) {
- this[name] = mouseEvent;
- }, {
- onFrame: {
- install: function() {
- this._animateItem(true);
- },
- uninstall: function() {
- this._animateItem(false);
- }
- },
-
- onLoad: {}
- }
- );
- },
-
- _animateItem: function(animate) {
- this.getView()._animateItem(this, animate);
- },
-
- _serialize: function(options, dictionary) {
- var props = {},
- that = this;
-
- function serialize(fields) {
- for (var key in fields) {
- var value = that[key];
- if (!Base.equals(value, key === 'leading'
- ? fields.fontSize * 1.2 : fields[key])) {
- props[key] = Base.serialize(value, options,
- key !== 'data', dictionary);
- }
- }
- }
-
- serialize(this._serializeFields);
- if (!(this instanceof Group))
- serialize(this._style._defaults);
- return [ this._class, props ];
- },
-
- _changed: function(flags) {
- var symbol = this._parentSymbol,
- cacheParent = this._parent || symbol,
- project = this._project;
- if (flags & 8) {
- this._bounds = this._position = this._decomposed =
- this._globalMatrix = this._currentPath = undefined;
- }
- if (cacheParent
- && (flags & 40)) {
- Item._clearBoundsCache(cacheParent);
- }
- if (flags & 2) {
- Item._clearBoundsCache(this);
- }
- if (project) {
- if (flags & 1) {
- project._needsUpdate = true;
- }
- if (project._changes) {
- var entry = project._changesById[this._id];
- if (entry) {
- entry.flags |= flags;
- } else {
- entry = { item: this, flags: flags };
- project._changesById[this._id] = entry;
- project._changes.push(entry);
- }
- }
- }
- if (symbol)
- symbol._changed(flags);
- },
-
- set: function(props) {
- if (props)
- this._set(props);
- return this;
- },
-
- getId: function() {
- return this._id;
- },
-
- getName: function() {
- return this._name;
- },
-
- setName: function(name, unique) {
-
- if (this._name)
- this._removeNamed();
- if (name === (+name) + '')
- throw new Error(
- 'Names consisting only of numbers are not supported.');
- var parent = this._parent;
- if (name && parent) {
- var children = parent._children,
- namedChildren = parent._namedChildren,
- orig = name,
- i = 1;
- while (unique && children[name])
- name = orig + ' ' + (i++);
- (namedChildren[name] = namedChildren[name] || []).push(this);
- children[name] = this;
- }
- this._name = name || undefined;
- this._changed(128);
- },
-
- getStyle: function() {
- return this._style;
- },
-
- setStyle: function(style) {
- this.getStyle().set(style);
- }
-}, Base.each(['locked', 'visible', 'blendMode', 'opacity', 'guide'],
- function(name) {
- var part = Base.capitalize(name),
- name = '_' + name;
- this['get' + part] = function() {
- return this[name];
- };
- this['set' + part] = function(value) {
- if (value != this[name]) {
- this[name] = value;
- this._changed(name === '_locked'
- ? 128 : 129);
- }
- };
- },
-{}), {
- beans: true,
-
- _locked: false,
-
- _visible: true,
-
- _blendMode: 'normal',
-
- _opacity: 1,
-
- _guide: false,
-
- isSelected: function() {
- if (this._selectChildren) {
- var children = this._children;
- for (var i = 0, l = children.length; i < l; i++)
- if (children[i].isSelected())
- return true;
- }
- return this._selected;
- },
-
- setSelected: function(selected, noChildren) {
- if (!noChildren && this._selectChildren) {
- var children = this._children;
- for (var i = 0, l = children.length; i < l; i++)
- children[i].setSelected(selected);
- }
- if ((selected = !!selected) ^ this._selected) {
- this._selected = selected;
- this._project._updateSelection(this);
- this._changed(129);
- }
- },
-
- _selected: false,
-
- isFullySelected: function() {
- var children = this._children;
- if (children && this._selected) {
- for (var i = 0, l = children.length; i < l; i++)
- if (!children[i].isFullySelected())
- return false;
- return true;
- }
- return this._selected;
- },
-
- setFullySelected: function(selected) {
- var children = this._children;
- if (children) {
- for (var i = 0, l = children.length; i < l; i++)
- children[i].setFullySelected(selected);
- }
- this.setSelected(selected, true);
- },
-
- isClipMask: function() {
- return this._clipMask;
- },
-
- setClipMask: function(clipMask) {
- if (this._clipMask != (clipMask = !!clipMask)) {
- this._clipMask = clipMask;
- if (clipMask) {
- this.setFillColor(null);
- this.setStrokeColor(null);
- }
- this._changed(129);
- if (this._parent)
- this._parent._changed(1024);
- }
- },
-
- _clipMask: false,
-
- getData: function() {
- if (!this._data)
- this._data = {};
- return this._data;
- },
-
- setData: function(data) {
- this._data = data;
- },
-
- getPosition: function(_dontLink) {
- var position = this._position,
- ctor = _dontLink ? Point : LinkedPoint;
- if (!position) {
- var pivot = this._pivot;
- position = this._position = pivot
- ? this._matrix._transformPoint(pivot)
- : this.getBounds().getCenter(true);
- }
- return new ctor(position.x, position.y, this, 'setPosition');
- },
-
- setPosition: function() {
- this.translate(Point.read(arguments).subtract(this.getPosition(true)));
- },
-
- getPivot: function(_dontLink) {
- var pivot = this._pivot;
- if (pivot) {
- var ctor = _dontLink ? Point : LinkedPoint;
- pivot = new ctor(pivot.x, pivot.y, this, 'setPivot');
- }
- return pivot;
- },
-
- setPivot: function() {
- this._pivot = Point.read(arguments, 0, { clone: true, readNull: true });
- this._position = undefined;
- },
-
- _pivot: null,
-}, Base.each(['bounds', 'strokeBounds', 'handleBounds', 'roughBounds',
- 'internalBounds', 'internalRoughBounds'],
- function(key) {
- var getter = 'get' + Base.capitalize(key),
- match = key.match(/^internal(.*)$/),
- internalGetter = match ? 'get' + match[1] : null;
- this[getter] = function(_matrix) {
- var boundsGetter = this._boundsGetter,
- name = !internalGetter && (typeof boundsGetter === 'string'
- ? boundsGetter : boundsGetter && boundsGetter[getter])
- || getter,
- bounds = this._getCachedBounds(name, _matrix, this,
- internalGetter);
- return key === 'bounds'
- ? new LinkedRectangle(bounds.x, bounds.y, bounds.width,
- bounds.height, this, 'setBounds')
- : bounds;
- };
- },
-{
- beans: true,
-
- _getBounds: function(getter, matrix, cacheItem) {
- var children = this._children;
- if (!children || children.length == 0)
- return new Rectangle();
- Item._updateBoundsCache(this, cacheItem);
- var x1 = Infinity,
- x2 = -x1,
- y1 = x1,
- y2 = x2;
- for (var i = 0, l = children.length; i < l; i++) {
- var child = children[i];
- if (child._visible && !child.isEmpty()) {
- var rect = child._getCachedBounds(getter,
- matrix && matrix.chain(child._matrix), cacheItem);
- x1 = Math.min(rect.x, x1);
- y1 = Math.min(rect.y, y1);
- x2 = Math.max(rect.x + rect.width, x2);
- y2 = Math.max(rect.y + rect.height, y2);
- }
- }
- return isFinite(x1)
- ? new Rectangle(x1, y1, x2 - x1, y2 - y1)
- : new Rectangle();
- },
-
- setBounds: function() {
- var rect = Rectangle.read(arguments),
- bounds = this.getBounds(),
- matrix = new Matrix(),
- center = rect.getCenter();
- matrix.translate(center);
- if (rect.width != bounds.width || rect.height != bounds.height) {
- matrix.scale(
- bounds.width != 0 ? rect.width / bounds.width : 1,
- bounds.height != 0 ? rect.height / bounds.height : 1);
- }
- center = bounds.getCenter();
- matrix.translate(-center.x, -center.y);
- this.transform(matrix);
- },
-
- _getCachedBounds: function(getter, matrix, cacheItem, internalGetter) {
- matrix = matrix && matrix.orNullIfIdentity();
- var _matrix = internalGetter ? null : this._matrix.orNullIfIdentity(),
- cache = (!matrix || matrix.equals(_matrix)) && getter;
- Item._updateBoundsCache(this._parent || this._parentSymbol, cacheItem);
- if (cache && this._bounds && this._bounds[cache])
- return this._bounds[cache].clone();
- var bounds = this._getBounds(internalGetter || getter,
- matrix || _matrix, cacheItem);
- if (cache) {
- if (!this._bounds)
- this._bounds = {};
- var cached = this._bounds[cache] = bounds.clone();
- cached._internal = !!internalGetter;
- }
- return bounds;
- },
-
- statics: {
- _updateBoundsCache: function(parent, item) {
- if (parent) {
- var id = item._id,
- ref = parent._boundsCache = parent._boundsCache || {
- ids: {},
- list: []
- };
- if (!ref.ids[id]) {
- ref.list.push(item);
- ref.ids[id] = item;
- }
- }
- },
-
- _clearBoundsCache: function(item) {
- var cache = item._boundsCache;
- if (cache) {
- item._bounds = item._position = item._boundsCache = undefined;
- for (var i = 0, list = cache.list, l = list.length; i < l; i++){
- var other = list[i];
- if (other !== item) {
- other._bounds = other._position = undefined;
- if (other._boundsCache)
- Item._clearBoundsCache(other);
- }
- }
- }
- }
- }
-
-}), {
- beans: true,
-
- _decompose: function() {
- return this._decomposed = this._matrix.decompose();
- },
-
- getRotation: function() {
- var decomposed = this._decomposed || this._decompose();
- return decomposed && decomposed.rotation;
- },
-
- setRotation: function(rotation) {
- var current = this.getRotation();
- if (current != null && rotation != null) {
- var decomposed = this._decomposed;
- this.rotate(rotation - current);
- decomposed.rotation = rotation;
- this._decomposed = decomposed;
- }
- },
-
- getScaling: function(_dontLink) {
- var decomposed = this._decomposed || this._decompose(),
- scaling = decomposed && decomposed.scaling,
- ctor = _dontLink ? Point : LinkedPoint;
- return scaling && new ctor(scaling.x, scaling.y, this, 'setScaling');
- },
-
- setScaling: function() {
- var current = this.getScaling();
- if (current) {
- var scaling = Point.read(arguments, 0, { clone: true }),
- decomposed = this._decomposed;
- this.scale(scaling.x / current.x, scaling.y / current.y);
- decomposed.scaling = scaling;
- this._decomposed = decomposed;
- }
- },
-
- getMatrix: function() {
- return this._matrix;
- },
-
- setMatrix: function() {
- var matrix = this._matrix;
- matrix.initialize.apply(matrix, arguments);
- if (this._applyMatrix) {
- this.transform(null, true);
- } else {
- this._changed(9);
- }
- },
-
- getGlobalMatrix: function(_dontClone) {
- var matrix = this._globalMatrix,
- updateVersion = this._project._updateVersion;
- if (matrix && matrix._updateVersion !== updateVersion)
- matrix = null;
- if (!matrix) {
- matrix = this._globalMatrix = this._matrix.clone();
- var parent = this._parent;
- if (parent)
- matrix.preConcatenate(parent.getGlobalMatrix(true));
- matrix._updateVersion = updateVersion;
- }
- return _dontClone ? matrix : matrix.clone();
- },
-
- getApplyMatrix: function() {
- return this._applyMatrix;
- },
-
- setApplyMatrix: function(apply) {
- if (this._applyMatrix = this._canApplyMatrix && !!apply)
- this.transform(null, true);
- },
-
- getTransformContent: '#getApplyMatrix',
- setTransformContent: '#setApplyMatrix',
-}, {
- getProject: function() {
- return this._project;
- },
-
- _setProject: function(project, installEvents) {
- if (this._project !== project) {
- if (this._project)
- this._installEvents(false);
- this._project = project;
- var children = this._children;
- for (var i = 0, l = children && children.length; i < l; i++)
- children[i]._setProject(project);
- installEvents = true;
- }
- if (installEvents)
- this._installEvents(true);
- },
-
- getView: function() {
- return this._project.getView();
- },
-
- _installEvents: function _installEvents(install) {
- _installEvents.base.call(this, install);
- var children = this._children;
- for (var i = 0, l = children && children.length; i < l; i++)
- children[i]._installEvents(install);
- },
-
- getLayer: function() {
- var parent = this;
- while (parent = parent._parent) {
- if (parent instanceof Layer)
- return parent;
- }
- return null;
- },
-
- getParent: function() {
- return this._parent;
- },
-
- setParent: function(item) {
- return item.addChild(this);
- },
-
- getChildren: function() {
- return this._children;
- },
-
- setChildren: function(items) {
- this.removeChildren();
- this.addChildren(items);
- },
-
- getFirstChild: function() {
- return this._children && this._children[0] || null;
- },
-
- getLastChild: function() {
- return this._children && this._children[this._children.length - 1]
- || null;
- },
-
- getNextSibling: function() {
- return this._parent && this._parent._children[this._index + 1] || null;
- },
-
- getPreviousSibling: function() {
- return this._parent && this._parent._children[this._index - 1] || null;
- },
-
- getIndex: function() {
- return this._index;
- },
-
- equals: function(item) {
- return item === this || item && this._class === item._class
- && this._style.equals(item._style)
- && this._matrix.equals(item._matrix)
- && this._locked === item._locked
- && this._visible === item._visible
- && this._blendMode === item._blendMode
- && this._opacity === item._opacity
- && this._clipMask === item._clipMask
- && this._guide === item._guide
- && this._equals(item)
- || false;
- },
-
- _equals: function(item) {
- return Base.equals(this._children, item._children);
- },
-
- clone: function(insert) {
- return this._clone(new this.constructor(Item.NO_INSERT), insert);
- },
-
- _clone: function(copy, insert, includeMatrix) {
- var keys = ['_locked', '_visible', '_blendMode', '_opacity',
- '_clipMask', '_guide'],
- children = this._children;
- copy.setStyle(this._style);
- for (var i = 0, l = children && children.length; i < l; i++) {
- copy.addChild(children[i].clone(false), true);
- }
- for (var i = 0, l = keys.length; i < l; i++) {
- var key = keys[i];
- if (this.hasOwnProperty(key))
- copy[key] = this[key];
- }
- if (includeMatrix !== false)
- copy._matrix.initialize(this._matrix);
- copy.setApplyMatrix(this._applyMatrix);
- copy.setPivot(this._pivot);
- copy.setSelected(this._selected);
- copy._data = this._data ? Base.clone(this._data) : null;
- if (insert || insert === undefined)
- copy.insertAbove(this);
- if (this._name)
- copy.setName(this._name, true);
- return copy;
- },
-
- copyTo: function(itemOrProject) {
- return itemOrProject.addChild(this.clone(false));
- },
-
- rasterize: function(resolution) {
- var bounds = this.getStrokeBounds(),
- scale = (resolution || this.getView().getResolution()) / 72,
- topLeft = bounds.getTopLeft().floor(),
- bottomRight = bounds.getBottomRight().ceil(),
- size = new Size(bottomRight.subtract(topLeft)),
- canvas = CanvasProvider.getCanvas(size.multiply(scale)),
- ctx = canvas.getContext('2d'),
- matrix = new Matrix().scale(scale).translate(topLeft.negate());
- ctx.save();
- matrix.applyToContext(ctx);
- this.draw(ctx, new Base({ matrices: [matrix] }));
- ctx.restore();
- var raster = new Raster(Item.NO_INSERT);
- raster.setCanvas(canvas);
- raster.transform(new Matrix().translate(topLeft.add(size.divide(2)))
- .scale(1 / scale));
- raster.insertAbove(this);
- return raster;
- },
-
- contains: function() {
- return !!this._contains(
- this._matrix._inverseTransform(Point.read(arguments)));
- },
-
- _contains: function(point) {
- if (this._children) {
- for (var i = this._children.length - 1; i >= 0; i--) {
- if (this._children[i].contains(point))
- return true;
- }
- return false;
- }
- return point.isInside(this.getInternalBounds());
- },
-
- isInside: function() {
- return Rectangle.read(arguments).contains(this.getBounds());
- },
-
- _asPathItem: function() {
- return new Path.Rectangle({
- rectangle: this.getInternalBounds(),
- matrix: this._matrix,
- insert: false,
- });
- },
-
- intersects: function(item, _matrix) {
- if (!(item instanceof Item))
- return false;
- return this._asPathItem().getIntersections(item._asPathItem(),
- _matrix || item._matrix).length > 0;
- },
-
- hitTest: function() {
- return this._hitTest(
- Point.read(arguments),
- HitResult.getOptions(Base.read(arguments)));
- },
-
- _hitTest: function(point, options) {
- if (this._locked || !this._visible || this._guide && !options.guides
- || this.isEmpty())
- return null;
-
- var matrix = this._matrix,
- parentTotalMatrix = options._totalMatrix,
- view = this.getView(),
- totalMatrix = options._totalMatrix = parentTotalMatrix
- ? parentTotalMatrix.chain(matrix)
- : this.getGlobalMatrix().preConcatenate(view._matrix),
- tolerancePadding = options._tolerancePadding = new Size(
- Path._getPenPadding(1, totalMatrix.inverted())
- ).multiply(
- Math.max(options.tolerance, 0.000001)
- );
- point = matrix._inverseTransform(point);
-
- if (!this._children && !this.getInternalRoughBounds()
- .expand(tolerancePadding.multiply(2))._containsPoint(point))
- return null;
- var checkSelf = !(options.guides && !this._guide
- || options.selected && !this._selected
- || options.type && options.type !== Base.hyphenate(this._class)
- || options.class && !(this instanceof options.class)),
- that = this,
- res;
-
- function checkBounds(type, part) {
- var pt = bounds['get' + part]();
- if (point.subtract(pt).divide(tolerancePadding).length <= 1)
- return new HitResult(type, that,
- { name: Base.hyphenate(part), point: pt });
- }
-
- if (checkSelf && (options.center || options.bounds) && this._parent) {
- var bounds = this.getInternalBounds();
- if (options.center)
- res = checkBounds('center', 'Center');
- if (!res && options.bounds) {
- var points = [
- 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight',
- 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'
- ];
- for (var i = 0; i < 8 && !res; i++)
- res = checkBounds('bounds', points[i]);
- }
- }
-
- var children = !res && this._children;
- if (children) {
- var opts = this._getChildHitTestOptions(options);
- for (var i = children.length - 1; i >= 0 && !res; i--)
- res = children[i]._hitTest(point, opts);
- }
- if (!res && checkSelf)
- res = this._hitTestSelf(point, options);
- if (res && res.point)
- res.point = matrix.transform(res.point);
- options._totalMatrix = parentTotalMatrix;
- return res;
- },
-
- _getChildHitTestOptions: function(options) {
- return options;
- },
-
- _hitTestSelf: function(point, options) {
- if (options.fill && this.hasFill() && this._contains(point))
- return new HitResult('fill', this);
- },
-
- matches: function(name, compare) {
- function matchObject(obj1, obj2) {
- for (var i in obj1) {
- if (obj1.hasOwnProperty(i)) {
- var val1 = obj1[i],
- val2 = obj2[i];
- if (Base.isPlainObject(val1) && Base.isPlainObject(val2)) {
- if (!matchObject(val1, val2))
- return false;
- } else if (!Base.equals(val1, val2)) {
- return false;
- }
- }
- }
- return true;
- }
- var type = typeof name;
- if (type === 'object') {
- for (var key in name) {
- if (name.hasOwnProperty(key) && !this.matches(key, name[key]))
- return false;
- }
- } else if (type === 'function') {
- return name(this);
- } else {
- var value = /^(empty|editable)$/.test(name)
- ? this['is' + Base.capitalize(name)]()
- : name === 'type'
- ? Base.hyphenate(this._class)
- : this[name];
- if (/^(constructor|class)$/.test(name)) {
- if (!(this instanceof compare))
- return false;
- } else if (compare instanceof RegExp) {
- if (!compare.test(value))
- return false;
- } else if (typeof compare === 'function') {
- if (!compare(value))
- return false;
- } else if (Base.isPlainObject(compare)) {
- if (!matchObject(compare, value))
- return false;
- } else if (!Base.equals(value, compare)) {
- return false;
- }
- }
- return true;
- },
-
- getItems: function(match) {
- return Item._getItems(this._children, match, this._matrix);
- },
-
- getItem: function(match) {
- return Item._getItems(this._children, match, this._matrix, null, true)
- [0] || null;
- },
-
- statics: {
- _getItems: function _getItems(children, match, matrix, param,
- firstOnly) {
- if (!param && typeof match === 'object') {
- var overlapping = match.overlapping,
- inside = match.inside,
- bounds = overlapping || inside,
- rect = bounds && Rectangle.read([bounds]);
- param = {
- items: [],
- inside: !!inside,
- overlapping: !!overlapping,
- rect: rect,
- path: overlapping && new Path.Rectangle({
- rectangle: rect,
- insert: false
- })
- };
- if (bounds)
- match = Base.set({}, match,
- { inside: true, overlapping: true });
- }
- var items = param && param.items,
- rect = param && param.rect;
- matrix = rect && (matrix || new Matrix());
- for (var i = 0, l = children && children.length; i < l; i++) {
- var child = children[i],
- childMatrix = matrix && matrix.chain(child._matrix),
- add = true;
- if (rect) {
- var bounds = child.getBounds(childMatrix);
- if (!rect.intersects(bounds))
- continue;
- if (!(param.inside && rect.contains(bounds))
- && !(param.overlapping && (bounds.contains(rect)
- || param.path.intersects(child, childMatrix))))
- add = false;
- }
- if (add && child.matches(match)) {
- items.push(child);
- if (firstOnly)
- break;
- }
- _getItems(child._children, match,
- childMatrix, param,
- firstOnly);
- if (firstOnly && items.length > 0)
- break;
- }
- return items;
- }
- }
-}, {
-
- importJSON: function(json) {
- var res = Base.importJSON(json, this);
- return res !== this
- ? this.addChild(res)
- : res;
- },
-
- addChild: function(item, _preserve) {
- return this.insertChild(undefined, item, _preserve);
- },
-
- insertChild: function(index, item, _preserve) {
- var res = item ? this.insertChildren(index, [item], _preserve) : null;
- return res && res[0];
- },
-
- addChildren: function(items, _preserve) {
- return this.insertChildren(this._children.length, items, _preserve);
- },
-
- insertChildren: function(index, items, _preserve, _proto) {
- var children = this._children;
- if (children && items && items.length > 0) {
- items = Array.prototype.slice.apply(items);
- for (var i = items.length - 1; i >= 0; i--) {
- var item = items[i];
- if (_proto && !(item instanceof _proto)) {
- items.splice(i, 1);
- } else {
- var shift = item._parent === this && item._index < index;
- if (item._remove(false, true) && shift)
- index--;
- }
- }
- Base.splice(children, items, index, 0);
- var project = this._project,
- notifySelf = project && project._changes;
- for (var i = 0, l = items.length; i < l; i++) {
- var item = items[i];
- item._parent = this;
- item._setProject(this._project, true);
- if (item._name)
- item.setName(item._name);
- if (notifySelf)
- this._changed(5);
- }
- this._changed(11);
- } else {
- items = null;
- }
- return items;
- },
-
- _insertSibling: function(index, item, _preserve) {
- return this._parent
- ? this._parent.insertChild(index, item, _preserve)
- : null;
- },
-
- insertAbove: function(item, _preserve) {
- return item._insertSibling(item._index + 1, this, _preserve);
- },
-
- insertBelow: function(item, _preserve) {
- return item._insertSibling(item._index, this, _preserve);
- },
-
- sendToBack: function() {
- return (this._parent || this instanceof Layer && this._project)
- .insertChild(0, this);
- },
-
- bringToFront: function() {
- return (this._parent || this instanceof Layer && this._project)
- .addChild(this);
- },
-
- appendTop: '#addChild',
-
- appendBottom: function(item) {
- return this.insertChild(0, item);
- },
-
- moveAbove: '#insertAbove',
-
- moveBelow: '#insertBelow',
-
- reduce: function() {
- if (this._children && this._children.length === 1) {
- var child = this._children[0].reduce();
- child.insertAbove(this);
- child.setStyle(this._style);
- this.remove();
- return child;
- }
- return this;
- },
-
- _removeNamed: function() {
- var parent = this._parent;
- if (parent) {
- var children = parent._children,
- namedChildren = parent._namedChildren,
- name = this._name,
- namedArray = namedChildren[name],
- index = namedArray ? namedArray.indexOf(this) : -1;
- if (index !== -1) {
- if (children[name] == this)
- delete children[name];
- namedArray.splice(index, 1);
- if (namedArray.length) {
- children[name] = namedArray[namedArray.length - 1];
- } else {
- delete namedChildren[name];
- }
- }
- }
- },
-
- _remove: function(notifySelf, notifyParent) {
- var parent = this._parent;
- if (parent) {
- if (this._name)
- this._removeNamed();
- if (this._index != null)
- Base.splice(parent._children, null, this._index, 1);
- this._installEvents(false);
- if (notifySelf) {
- var project = this._project;
- if (project && project._changes)
- this._changed(5);
- }
- if (notifyParent)
- parent._changed(11);
- this._parent = null;
- return true;
- }
- return false;
- },
-
- remove: function() {
- return this._remove(true, true);
- },
-
- replaceWith: function(item) {
- var ok = item && item.insertBelow(this);
- if (ok)
- this.remove();
- return ok;
- },
-
- removeChildren: function(from, to) {
- if (!this._children)
- return null;
- from = from || 0;
- to = Base.pick(to, this._children.length);
- var removed = Base.splice(this._children, null, from, to - from);
- for (var i = removed.length - 1; i >= 0; i--) {
- removed[i]._remove(true, false);
- }
- if (removed.length > 0)
- this._changed(11);
- return removed;
- },
-
- clear: '#removeChildren',
-
- reverseChildren: function() {
- if (this._children) {
- this._children.reverse();
- for (var i = 0, l = this._children.length; i < l; i++)
- this._children[i]._index = i;
- this._changed(11);
- }
- },
-
- isEmpty: function() {
- return !this._children || this._children.length === 0;
- },
-
- isEditable: function() {
- var item = this;
- while (item) {
- if (!item._visible || item._locked)
- return false;
- item = item._parent;
- }
- return true;
- },
-
- hasFill: function() {
- return this.getStyle().hasFill();
- },
-
- hasStroke: function() {
- return this.getStyle().hasStroke();
- },
-
- hasShadow: function() {
- return this.getStyle().hasShadow();
- },
-
- _getOrder: function(item) {
- function getList(item) {
- var list = [];
- do {
- list.unshift(item);
- } while (item = item._parent);
- return list;
- }
- var list1 = getList(this),
- list2 = getList(item);
- for (var i = 0, l = Math.min(list1.length, list2.length); i < l; i++) {
- if (list1[i] != list2[i]) {
- return list1[i]._index < list2[i]._index ? 1 : -1;
- }
- }
- return 0;
- },
-
- hasChildren: function() {
- return this._children && this._children.length > 0;
- },
-
- isInserted: function() {
- return this._parent ? this._parent.isInserted() : false;
- },
-
- isAbove: function(item) {
- return this._getOrder(item) === -1;
- },
-
- isBelow: function(item) {
- return this._getOrder(item) === 1;
- },
-
- isParent: function(item) {
- return this._parent === item;
- },
-
- isChild: function(item) {
- return item && item._parent === this;
- },
-
- isDescendant: function(item) {
- var parent = this;
- while (parent = parent._parent) {
- if (parent == item)
- return true;
- }
- return false;
- },
-
- isAncestor: function(item) {
- return item ? item.isDescendant(this) : false;
- },
-
- isGroupedWith: function(item) {
- var parent = this._parent;
- while (parent) {
- if (parent._parent
- && /^(Group|Layer|CompoundPath)$/.test(parent._class)
- && item.isDescendant(parent))
- return true;
- parent = parent._parent;
- }
- return false;
- },
-
- translate: function() {
- var mx = new Matrix();
- return this.transform(mx.translate.apply(mx, arguments));
- },
-
- rotate: function(angle ) {
- return this.transform(new Matrix().rotate(angle,
- Point.read(arguments, 1, { readNull: true })
- || this.getPosition(true)));
- }
-}, Base.each(['scale', 'shear', 'skew'], function(name) {
- this[name] = function() {
- var point = Point.read(arguments),
- center = Point.read(arguments, 0, { readNull: true });
- return this.transform(new Matrix()[name](point,
- center || this.getPosition(true)));
- };
-}, {
-
-}), {
- transform: function(matrix, _applyMatrix, _applyRecursively,
- _setApplyMatrix) {
- if (matrix && matrix.isIdentity())
- matrix = null;
- var _matrix = this._matrix,
- applyMatrix = (_applyMatrix || this._applyMatrix)
- && ((!_matrix.isIdentity() || matrix)
- || _applyMatrix && _applyRecursively && this._children);
- if (!matrix && !applyMatrix)
- return this;
- if (matrix)
- _matrix.preConcatenate(matrix);
- if (applyMatrix = applyMatrix && this._transformContent(_matrix,
- _applyRecursively, _setApplyMatrix)) {
- var pivot = this._pivot,
- style = this._style,
- fillColor = style.getFillColor(true),
- strokeColor = style.getStrokeColor(true);
- if (pivot)
- _matrix._transformPoint(pivot, pivot, true);
- if (fillColor)
- fillColor.transform(_matrix);
- if (strokeColor)
- strokeColor.transform(_matrix);
- _matrix.reset(true);
- if (_setApplyMatrix && this._canApplyMatrix)
- this._applyMatrix = true;
- }
- var bounds = this._bounds,
- position = this._position;
- this._changed(9);
- var decomp = bounds && matrix && matrix.decompose();
- if (decomp && !decomp.shearing && decomp.rotation % 90 === 0) {
- for (var key in bounds) {
- var rect = bounds[key];
- if (applyMatrix || !rect._internal)
- matrix._transformBounds(rect, rect);
- }
- var getter = this._boundsGetter,
- rect = bounds[getter && getter.getBounds || getter || 'getBounds'];
- if (rect)
- this._position = rect.getCenter(true);
- this._bounds = bounds;
- } else if (matrix && position) {
- this._position = matrix._transformPoint(position, position);
- }
- return this;
- },
-
- _transformContent: function(matrix, applyRecursively, setApplyMatrix) {
- var children = this._children;
- if (children) {
- for (var i = 0, l = children.length; i < l; i++)
- children[i].transform(matrix, true, applyRecursively,
- setApplyMatrix);
- return true;
- }
- },
-
- globalToLocal: function() {
- return this.getGlobalMatrix(true)._inverseTransform(
- Point.read(arguments));
- },
-
- localToGlobal: function() {
- return this.getGlobalMatrix(true)._transformPoint(
- Point.read(arguments));
- },
-
- parentToLocal: function() {
- return this._matrix._inverseTransform(Point.read(arguments));
- },
-
- localToParent: function() {
- return this._matrix._transformPoint(Point.read(arguments));
- },
-
- fitBounds: function(rectangle, fill) {
- rectangle = Rectangle.read(arguments);
- var bounds = this.getBounds(),
- itemRatio = bounds.height / bounds.width,
- rectRatio = rectangle.height / rectangle.width,
- scale = (fill ? itemRatio > rectRatio : itemRatio < rectRatio)
- ? rectangle.width / bounds.width
- : rectangle.height / bounds.height,
- newBounds = new Rectangle(new Point(),
- new Size(bounds.width * scale, bounds.height * scale));
- newBounds.setCenter(rectangle.getCenter());
- this.setBounds(newBounds);
- },
-
- _setStyles: function(ctx) {
- var style = this._style,
- fillColor = style.getFillColor(),
- strokeColor = style.getStrokeColor(),
- shadowColor = style.getShadowColor();
- if (fillColor)
- ctx.fillStyle = fillColor.toCanvasStyle(ctx);
- if (strokeColor) {
- var strokeWidth = style.getStrokeWidth();
- if (strokeWidth > 0) {
- ctx.strokeStyle = strokeColor.toCanvasStyle(ctx);
- ctx.lineWidth = strokeWidth;
- var strokeJoin = style.getStrokeJoin(),
- strokeCap = style.getStrokeCap(),
- miterLimit = style.getMiterLimit();
- if (strokeJoin)
- ctx.lineJoin = strokeJoin;
- if (strokeCap)
- ctx.lineCap = strokeCap;
- if (miterLimit)
- ctx.miterLimit = miterLimit;
- if (paper.support.nativeDash) {
- var dashArray = style.getDashArray(),
- dashOffset = style.getDashOffset();
- if (dashArray && dashArray.length) {
- if ('setLineDash' in ctx) {
- ctx.setLineDash(dashArray);
- ctx.lineDashOffset = dashOffset;
- } else {
- ctx.mozDash = dashArray;
- ctx.mozDashOffset = dashOffset;
- }
- }
- }
- }
- }
- if (shadowColor) {
- var shadowBlur = style.getShadowBlur();
- if (shadowBlur > 0) {
- ctx.shadowColor = shadowColor.toCanvasStyle(ctx);
- ctx.shadowBlur = shadowBlur;
- var offset = this.getShadowOffset();
- ctx.shadowOffsetX = offset.x;
- ctx.shadowOffsetY = offset.y;
- }
- }
- },
-
- draw: function(ctx, param, parentStrokeMatrix) {
- var updateVersion = this._updateVersion = this._project._updateVersion;
- if (!this._visible || this._opacity === 0)
- return;
- var matrices = param.matrices,
- viewMatrix = param.viewMatrix,
- matrix = this._matrix,
- globalMatrix = matrices[matrices.length - 1].chain(matrix);
- if (!globalMatrix.isInvertible())
- return;
-
- function getViewMatrix(matrix) {
- return viewMatrix ? viewMatrix.chain(matrix) : matrix;
- }
-
- matrices.push(globalMatrix);
- if (param.updateMatrix) {
- globalMatrix._updateVersion = updateVersion;
- this._globalMatrix = globalMatrix;
- }
-
- var blendMode = this._blendMode,
- opacity = this._opacity,
- normalBlend = blendMode === 'normal',
- nativeBlend = BlendMode.nativeModes[blendMode],
- direct = normalBlend && opacity === 1
- || param.dontStart
- || param.clip
- || (nativeBlend || normalBlend && opacity < 1)
- && this._canComposite(),
- pixelRatio = param.pixelRatio || 1,
- mainCtx, itemOffset, prevOffset;
- if (!direct) {
- var bounds = this.getStrokeBounds(getViewMatrix(globalMatrix));
- if (!bounds.width || !bounds.height)
- return;
- prevOffset = param.offset;
- itemOffset = param.offset = bounds.getTopLeft().floor();
- mainCtx = ctx;
- ctx = CanvasProvider.getContext(bounds.getSize().ceil().add(1)
- .multiply(pixelRatio));
- if (pixelRatio !== 1)
- ctx.scale(pixelRatio, pixelRatio);
- }
- ctx.save();
- var strokeMatrix = parentStrokeMatrix
- ? parentStrokeMatrix.chain(matrix)
- : !this.getStrokeScaling(true) && getViewMatrix(globalMatrix),
- clip = !direct && param.clipItem,
- transform = !strokeMatrix || clip;
- if (direct) {
- ctx.globalAlpha = opacity;
- if (nativeBlend)
- ctx.globalCompositeOperation = blendMode;
- } else if (transform) {
- ctx.translate(-itemOffset.x, -itemOffset.y);
- }
- if (transform)
- (direct ? matrix : getViewMatrix(globalMatrix)).applyToContext(ctx);
- if (clip)
- param.clipItem.draw(ctx, param.extend({ clip: true }));
- if (strokeMatrix) {
- ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);
- var offset = param.offset;
- if (offset)
- ctx.translate(-offset.x, -offset.y);
- }
- this._draw(ctx, param, strokeMatrix);
- ctx.restore();
- matrices.pop();
- if (param.clip && !param.dontFinish)
- ctx.clip();
- if (!direct) {
- BlendMode.process(blendMode, ctx, mainCtx, opacity,
- itemOffset.subtract(prevOffset).multiply(pixelRatio));
- CanvasProvider.release(ctx);
- param.offset = prevOffset;
- }
- },
-
- _isUpdated: function(updateVersion) {
- var parent = this._parent;
- if (parent instanceof CompoundPath)
- return parent._isUpdated(updateVersion);
- var updated = this._updateVersion === updateVersion;
- if (!updated && parent && parent._visible
- && parent._isUpdated(updateVersion)) {
- this._updateVersion = updateVersion;
- updated = true;
- }
- return updated;
- },
-
- _drawSelection: function(ctx, matrix, size, selectedItems, updateVersion) {
- if ((this._drawSelected || this._boundsSelected)
- && this._isUpdated(updateVersion)) {
- var color = this.getSelectedColor(true)
- || this.getLayer().getSelectedColor(true),
- mx = matrix.chain(this.getGlobalMatrix(true));
- ctx.strokeStyle = ctx.fillStyle = color
- ? color.toCanvasStyle(ctx) : '#009dec';
- if (this._drawSelected)
- this._drawSelected(ctx, mx, selectedItems);
- if (this._boundsSelected) {
- var half = size / 2;
- coords = mx._transformCorners(this.getInternalBounds());
- ctx.beginPath();
- for (var i = 0; i < 8; i++)
- ctx[i === 0 ? 'moveTo' : 'lineTo'](coords[i], coords[++i]);
- ctx.closePath();
- ctx.stroke();
- for (var i = 0; i < 8; i++)
- ctx.fillRect(coords[i] - half, coords[++i] - half,
- size, size);
- }
- }
- },
-
- _canComposite: function() {
- return false;
- }
-}, Base.each(['down', 'drag', 'up', 'move'], function(name) {
- this['removeOn' + Base.capitalize(name)] = function() {
- var hash = {};
- hash[name] = true;
- return this.removeOn(hash);
- };
-}, {
-
- removeOn: function(obj) {
- for (var name in obj) {
- if (obj[name]) {
- var key = 'mouse' + name,
- project = this._project,
- sets = project._removeSets = project._removeSets || {};
- sets[key] = sets[key] || {};
- sets[key][this._id] = this;
- }
- }
- return this;
- }
-}));
-
-var Group = Item.extend({
- _class: 'Group',
- _selectChildren: true,
- _serializeFields: {
- children: []
- },
-
- initialize: function Group(arg) {
- this._children = [];
- this._namedChildren = {};
- if (!this._initialize(arg))
- this.addChildren(Array.isArray(arg) ? arg : arguments);
- },
-
- _changed: function _changed(flags) {
- _changed.base.call(this, flags);
- if (flags & 1026) {
- this._clipItem = undefined;
- }
- },
-
- _getClipItem: function() {
- var clipItem = this._clipItem;
- if (clipItem === undefined) {
- clipItem = null;
- for (var i = 0, l = this._children.length; i < l; i++) {
- var child = this._children[i];
- if (child._clipMask) {
- clipItem = child;
- break;
- }
- }
- this._clipItem = clipItem;
- }
- return clipItem;
- },
-
- isClipped: function() {
- return !!this._getClipItem();
- },
-
- setClipped: function(clipped) {
- var child = this.getFirstChild();
- if (child)
- child.setClipMask(clipped);
- },
-
- _draw: function(ctx, param) {
- var clip = param.clip,
- clipItem = !clip && this._getClipItem(),
- draw = true;
- param = param.extend({ clipItem: clipItem, clip: false });
- if (clip) {
- if (this._currentPath) {
- ctx.currentPath = this._currentPath;
- draw = false;
- } else {
- ctx.beginPath();
- param.dontStart = param.dontFinish = true;
- }
- } else if (clipItem) {
- clipItem.draw(ctx, param.extend({ clip: true }));
- }
- if (draw) {
- for (var i = 0, l = this._children.length; i < l; i++) {
- var item = this._children[i];
- if (item !== clipItem)
- item.draw(ctx, param);
- }
- }
- if (clip) {
- this._currentPath = ctx.currentPath;
- }
- }
-});
-
-var Layer = Group.extend({
- _class: 'Layer',
-
- initialize: function Layer(arg) {
- var props = Base.isPlainObject(arg)
- ? new Base(arg)
- : { children: Array.isArray(arg) ? arg : arguments },
- insert = props.insert;
- props.insert = false;
- Group.call(this, props);
- if (insert || insert === undefined) {
- this._project.addChild(this);
- this.activate();
- }
- },
-
- _remove: function _remove(notifySelf, notifyParent) {
- if (this._parent)
- return _remove.base.call(this, notifySelf, notifyParent);
- if (this._index != null) {
- var project = this._project;
- if (project._activeLayer === this)
- project._activeLayer = this.getNextSibling()
- || this.getPreviousSibling();
- Base.splice(project.layers, null, this._index, 1);
- this._installEvents(false);
- if (notifySelf && project._changes)
- this._changed(5);
- if (notifyParent) {
- project._needsUpdate = true;
- }
- return true;
- }
- return false;
- },
-
- getNextSibling: function getNextSibling() {
- return this._parent ? getNextSibling.base.call(this)
- : this._project.layers[this._index + 1] || null;
- },
-
- getPreviousSibling: function getPreviousSibling() {
- return this._parent ? getPreviousSibling.base.call(this)
- : this._project.layers[this._index - 1] || null;
- },
-
- isInserted: function isInserted() {
- return this._parent ? isInserted.base.call(this) : this._index != null;
- },
-
- activate: function() {
- this._project._activeLayer = this;
- },
-
- _insertSibling: function _insertSibling(index, item, _preserve) {
- return !this._parent
- ? this._project.insertChild(index, item, _preserve)
- : _insertSibling.base.call(this, index, item, _preserve);
- }
-});
-
-var Shape = Item.extend({
- _class: 'Shape',
- _applyMatrix: false,
- _canApplyMatrix: false,
- _boundsSelected: true,
- _serializeFields: {
- type: null,
- size: null,
- radius: null
- },
-
- initialize: function Shape(props) {
- this._initialize(props);
- },
-
- _equals: function(item) {
- return this._type === item._type
- && this._size.equals(item._size)
- && Base.equals(this._radius, item._radius);
- },
-
- clone: function(insert) {
- var copy = new Shape(Item.NO_INSERT);
- copy.setType(this._type);
- copy.setSize(this._size);
- copy.setRadius(this._radius);
- return this._clone(copy, insert);
- },
-
- getType: function() {
- return this._type;
- },
-
- setType: function(type) {
- this._type = type;
- },
-
- getShape: '#getType',
- setShape: '#setType',
-
- getSize: function() {
- var size = this._size;
- return new LinkedSize(size.width, size.height, this, 'setSize');
- },
-
- setSize: function() {
- var size = Size.read(arguments);
- if (!this._size) {
- this._size = size.clone();
- } else if (!this._size.equals(size)) {
- var type = this._type,
- width = size.width,
- height = size.height;
- if (type === 'rectangle') {
- var radius = Size.min(this._radius, size.divide(2));
- this._radius.set(radius.width, radius.height);
- } else if (type === 'circle') {
- width = height = (width + height) / 2;
- this._radius = width / 2;
- } else if (type === 'ellipse') {
- this._radius.set(width / 2, height / 2);
- }
- this._size.set(width, height);
- this._changed(9);
- }
- },
-
- getRadius: function() {
- var rad = this._radius;
- return this._type === 'circle'
- ? rad
- : new LinkedSize(rad.width, rad.height, this, 'setRadius');
- },
-
- setRadius: function(radius) {
- var type = this._type;
- if (type === 'circle') {
- if (radius === this._radius)
- return;
- var size = radius * 2;
- this._radius = radius;
- this._size.set(size, size);
- } else {
- radius = Size.read(arguments);
- if (!this._radius) {
- this._radius = radius.clone();
- } else {
- if (this._radius.equals(radius))
- return;
- this._radius.set(radius.width, radius.height);
- if (type === 'rectangle') {
- var size = Size.max(this._size, radius.multiply(2));
- this._size.set(size.width, size.height);
- } else if (type === 'ellipse') {
- this._size.set(radius.width * 2, radius.height * 2);
- }
- }
- }
- this._changed(9);
- },
-
- isEmpty: function() {
- return false;
- },
-
- toPath: function(insert) {
- var path = this._clone(new Path[Base.capitalize(this._type)]({
- center: new Point(),
- size: this._size,
- radius: this._radius,
- insert: false
- }), insert);
- if (paper.settings.applyMatrix)
- path.setApplyMatrix(true);
- return path;
- },
-
- _draw: function(ctx, param, strokeMatrix) {
- var style = this._style,
- hasFill = style.hasFill(),
- hasStroke = style.hasStroke(),
- dontPaint = param.dontFinish || param.clip,
- untransformed = !strokeMatrix;
- if (hasFill || hasStroke || dontPaint) {
- var type = this._type,
- radius = this._radius,
- isCircle = type === 'circle';
- if (!param.dontStart)
- ctx.beginPath();
- if (untransformed && isCircle) {
- ctx.arc(0, 0, radius, 0, Math.PI * 2, true);
- } else {
- var rx = isCircle ? radius : radius.width,
- ry = isCircle ? radius : radius.height,
- size = this._size,
- width = size.width,
- height = size.height;
- if (untransformed && type === 'rectangle' && rx === 0 && ry === 0) {
- ctx.rect(-width / 2, -height / 2, width, height);
- } else {
- var x = width / 2,
- y = height / 2,
- kappa = 1 - 0.5522847498307936,
- cx = rx * kappa,
- cy = ry * kappa,
- c = [
- -x, -y + ry,
- -x, -y + cy,
- -x + cx, -y,
- -x + rx, -y,
- x - rx, -y,
- x - cx, -y,
- x, -y + cy,
- x, -y + ry,
- x, y - ry,
- x, y - cy,
- x - cx, y,
- x - rx, y,
- -x + rx, y,
- -x + cx, y,
- -x, y - cy,
- -x, y - ry
- ];
- if (strokeMatrix)
- strokeMatrix.transform(c, c, 32);
- ctx.moveTo(c[0], c[1]);
- ctx.bezierCurveTo(c[2], c[3], c[4], c[5], c[6], c[7]);
- if (x !== rx)
- ctx.lineTo(c[8], c[9]);
- ctx.bezierCurveTo(c[10], c[11], c[12], c[13], c[14], c[15]);
- if (y !== ry)
- ctx.lineTo(c[16], c[17]);
- ctx.bezierCurveTo(c[18], c[19], c[20], c[21], c[22], c[23]);
- if (x !== rx)
- ctx.lineTo(c[24], c[25]);
- ctx.bezierCurveTo(c[26], c[27], c[28], c[29], c[30], c[31]);
- }
- }
- ctx.closePath();
- }
- if (!dontPaint && (hasFill || hasStroke)) {
- this._setStyles(ctx);
- if (hasFill) {
- ctx.fill(style.getWindingRule());
- ctx.shadowColor = 'rgba(0,0,0,0)';
- }
- if (hasStroke)
- ctx.stroke();
- }
- },
-
- _canComposite: function() {
- return !(this.hasFill() && this.hasStroke());
- },
-
- _getBounds: function(getter, matrix) {
- var rect = new Rectangle(this._size).setCenter(0, 0);
- if (getter !== 'getBounds' && this.hasStroke())
- rect = rect.expand(this.getStrokeWidth());
- return matrix ? matrix._transformBounds(rect) : rect;
- }
-},
-new function() {
-
- function getCornerCenter(that, point, expand) {
- var radius = that._radius;
- if (!radius.isZero()) {
- var halfSize = that._size.divide(2);
- for (var i = 0; i < 4; i++) {
- var dir = new Point(i & 1 ? 1 : -1, i > 1 ? 1 : -1),
- corner = dir.multiply(halfSize),
- center = corner.subtract(dir.multiply(radius)),
- rect = new Rectangle(corner, center);
- if ((expand ? rect.expand(expand) : rect).contains(point))
- return center;
- }
- }
- }
-
- function getEllipseRadius(point, radius) {
- var angle = point.getAngleInRadians(),
- width = radius.width * 2,
- height = radius.height * 2,
- x = width * Math.sin(angle),
- y = height * Math.cos(angle);
- return width * height / (2 * Math.sqrt(x * x + y * y));
- }
-
- return {
- _contains: function _contains(point) {
- if (this._type === 'rectangle') {
- var center = getCornerCenter(this, point);
- return center
- ? point.subtract(center).divide(this._radius)
- .getLength() <= 1
- : _contains.base.call(this, point);
- } else {
- return point.divide(this.size).getLength() <= 0.5;
- }
- },
-
- _hitTestSelf: function _hitTestSelf(point, options) {
- var hit = false;
- if (this.hasStroke()) {
- var type = this._type,
- radius = this._radius,
- strokeWidth = this.getStrokeWidth() + 2 * options.tolerance;
- if (type === 'rectangle') {
- var center = getCornerCenter(this, point, strokeWidth);
- if (center) {
- var pt = point.subtract(center);
- hit = 2 * Math.abs(pt.getLength()
- - getEllipseRadius(pt, radius)) <= strokeWidth;
- } else {
- var rect = new Rectangle(this._size).setCenter(0, 0),
- outer = rect.expand(strokeWidth),
- inner = rect.expand(-strokeWidth);
- hit = outer._containsPoint(point)
- && !inner._containsPoint(point);
- }
- } else {
- if (type === 'ellipse')
- radius = getEllipseRadius(point, radius);
- hit = 2 * Math.abs(point.getLength() - radius)
- <= strokeWidth;
- }
- }
- return hit
- ? new HitResult('stroke', this)
- : _hitTestSelf.base.apply(this, arguments);
- }
- };
-}, {
-
-statics: new function() {
- function createShape(type, point, size, radius, args) {
- var item = new Shape(Base.getNamed(args));
- item._type = type;
- item._size = size;
- item._radius = radius;
- return item.translate(point);
- }
-
- return {
- Circle: function() {
- var center = Point.readNamed(arguments, 'center'),
- radius = Base.readNamed(arguments, 'radius');
- return createShape('circle', center, new Size(radius * 2), radius,
- arguments);
- },
-
- Rectangle: function() {
- var rect = Rectangle.readNamed(arguments, 'rectangle'),
- radius = Size.min(Size.readNamed(arguments, 'radius'),
- rect.getSize(true).divide(2));
- return createShape('rectangle', rect.getCenter(true),
- rect.getSize(true), radius, arguments);
- },
-
- Ellipse: function() {
- var ellipse = Shape._readEllipse(arguments),
- radius = ellipse.radius;
- return createShape('ellipse', ellipse.center, radius.multiply(2),
- radius, arguments);
- },
-
- _readEllipse: function(args) {
- var center,
- radius;
- if (Base.hasNamed(args, 'radius')) {
- center = Point.readNamed(args, 'center');
- radius = Size.readNamed(args, 'radius');
- } else {
- var rect = Rectangle.readNamed(args, 'rectangle');
- center = rect.getCenter(true);
- radius = rect.getSize(true).divide(2);
- }
- return { center: center, radius: radius };
- }
- };
-}});
-
-var Raster = Item.extend({
- _class: 'Raster',
- _applyMatrix: false,
- _canApplyMatrix: false,
- _boundsGetter: 'getBounds',
- _boundsSelected: true,
- _serializeFields: {
- crossOrigin: null,
- source: null
- },
-
- initialize: function Raster(object, position) {
- if (!this._initialize(object,
- position !== undefined && Point.read(arguments, 1))) {
- if (typeof object === 'string') {
- this.setSource(object);
- } else {
- this.setImage(object);
- }
- }
- if (!this._size) {
- this._size = new Size();
- this._loaded = false;
- }
- },
-
- _equals: function(item) {
- return this.getSource() === item.getSource();
- },
-
- clone: function(insert) {
- var copy = new Raster(Item.NO_INSERT),
- image = this._image,
- canvas = this._canvas;
- if (image) {
- copy.setImage(image);
- } else if (canvas) {
- var copyCanvas = CanvasProvider.getCanvas(this._size);
- copyCanvas.getContext('2d').drawImage(canvas, 0, 0);
- copy.setImage(copyCanvas);
- }
- copy._crossOrigin = this._crossOrigin;
- return this._clone(copy, insert);
- },
-
- getSize: function() {
- var size = this._size;
- return new LinkedSize(size ? size.width : 0, size ? size.height : 0,
- this, 'setSize');
- },
-
- setSize: function() {
- var size = Size.read(arguments);
- if (!size.equals(this._size)) {
- if (size.width > 0 && size.height > 0) {
- var element = this.getElement();
- this.setImage(CanvasProvider.getCanvas(size));
- if (element)
- this.getContext(true).drawImage(element, 0, 0,
- size.width, size.height);
- } else {
- if (this._canvas)
- CanvasProvider.release(this._canvas);
- this._size = size.clone();
- }
- }
- },
-
- getWidth: function() {
- return this._size ? this._size.width : 0;
- },
-
- setWidth: function(width) {
- this.setSize(width, this.getHeight());
- },
-
- getHeight: function() {
- return this._size ? this._size.height : 0;
- },
-
- setHeight: function(height) {
- this.setSize(this.getWidth(), height);
- },
-
- isEmpty: function() {
- var size = this._size;
- return !size || size.width === 0 && size.height === 0;
- },
-
- getResolution: function() {
- var matrix = this._matrix,
- orig = new Point(0, 0).transform(matrix),
- u = new Point(1, 0).transform(matrix).subtract(orig),
- v = new Point(0, 1).transform(matrix).subtract(orig);
- return new Size(
- 72 / u.getLength(),
- 72 / v.getLength()
- );
- },
-
- getPpi: '#getResolution',
-
- getImage: function() {
- return this._image;
- },
-
- setImage: function(image) {
- if (this._canvas)
- CanvasProvider.release(this._canvas);
- if (image && image.getContext) {
- this._image = null;
- this._canvas = image;
- this._loaded = true;
- } else {
- this._image = image;
- this._canvas = null;
- this._loaded = image && image.complete;
- }
- this._size = new Size(
- image ? image.naturalWidth || image.width : 0,
- image ? image.naturalHeight || image.height : 0);
- this._context = null;
- this._changed(521);
- },
-
- getCanvas: function() {
- if (!this._canvas) {
- var ctx = CanvasProvider.getContext(this._size);
- try {
- if (this._image)
- ctx.drawImage(this._image, 0, 0);
- this._canvas = ctx.canvas;
- } catch (e) {
- CanvasProvider.release(ctx);
- }
- }
- return this._canvas;
- },
-
- setCanvas: '#setImage',
-
- getContext: function(modify) {
- if (!this._context)
- this._context = this.getCanvas().getContext('2d');
- if (modify) {
- this._image = null;
- this._changed(513);
- }
- return this._context;
- },
-
- setContext: function(context) {
- this._context = context;
- },
-
- getSource: function() {
- return this._image && this._image.src || this.toDataURL();
- },
-
- setSource: function(src) {
- var that = this,
- crossOrigin = this._crossOrigin,
- image;
-
- function loaded() {
- var view = that.getView();
- if (view) {
- paper = view._scope;
- that.setImage(image);
- that.emit('load');
- view.update();
- }
- }
-
- image = document.getElementById(src) || new Image();
- if (crossOrigin)
- image.crossOrigin = crossOrigin;
- if (image.naturalWidth && image.naturalHeight) {
- setTimeout(loaded, 0);
- } else {
- DomEvent.add(image, { load: loaded });
- if (!image.src)
- image.src = src;
- }
- this.setImage(image);
- },
-
- getCrossOrigin: function() {
- return this._image && this._image.crossOrigin || this._crossOrigin || '';
- },
-
- setCrossOrigin: function(crossOrigin) {
- this._crossOrigin = crossOrigin;
- if (this._image)
- this._image.crossOrigin = crossOrigin;
- },
-
- getElement: function() {
- return this._canvas || this._loaded && this._image;
- }
-}, {
- beans: false,
-
- getSubCanvas: function() {
- var rect = Rectangle.read(arguments),
- ctx = CanvasProvider.getContext(rect.getSize());
- ctx.drawImage(this.getCanvas(), rect.x, rect.y,
- rect.width, rect.height, 0, 0, rect.width, rect.height);
- return ctx.canvas;
- },
-
- getSubRaster: function() {
- var rect = Rectangle.read(arguments),
- raster = new Raster(Item.NO_INSERT);
- raster.setImage(this.getSubCanvas(rect));
- raster.translate(rect.getCenter().subtract(this.getSize().divide(2)));
- raster._matrix.preConcatenate(this._matrix);
- raster.insertAbove(this);
- return raster;
- },
-
- toDataURL: function() {
- var src = this._image && this._image.src;
- if (/^data:/.test(src))
- return src;
- var canvas = this.getCanvas();
- return canvas ? canvas.toDataURL() : null;
- },
-
- drawImage: function(image ) {
- var point = Point.read(arguments, 1);
- this.getContext(true).drawImage(image, point.x, point.y);
- },
-
- getAverageColor: function(object) {
- var bounds, path;
- if (!object) {
- bounds = this.getBounds();
- } else if (object instanceof PathItem) {
- path = object;
- bounds = object.getBounds();
- } else if (object.width) {
- bounds = new Rectangle(object);
- } else if (object.x) {
- bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1);
- }
- var sampleSize = 32,
- width = Math.min(bounds.width, sampleSize),
- height = Math.min(bounds.height, sampleSize);
- var ctx = Raster._sampleContext;
- if (!ctx) {
- ctx = Raster._sampleContext = CanvasProvider.getContext(
- new Size(sampleSize));
- } else {
- ctx.clearRect(0, 0, sampleSize + 1, sampleSize + 1);
- }
- ctx.save();
- var matrix = new Matrix()
- .scale(width / bounds.width, height / bounds.height)
- .translate(-bounds.x, -bounds.y);
- matrix.applyToContext(ctx);
- if (path)
- path.draw(ctx, new Base({ clip: true, matrices: [matrix] }));
- this._matrix.applyToContext(ctx);
- var element = this.getElement(),
- size = this._size;
- if (element)
- ctx.drawImage(element, -size.width / 2, -size.height / 2);
- ctx.restore();
- var pixels = ctx.getImageData(0.5, 0.5, Math.ceil(width),
- Math.ceil(height)).data,
- channels = [0, 0, 0],
- total = 0;
- for (var i = 0, l = pixels.length; i < l; i += 4) {
- var alpha = pixels[i + 3];
- total += alpha;
- alpha /= 255;
- channels[0] += pixels[i] * alpha;
- channels[1] += pixels[i + 1] * alpha;
- channels[2] += pixels[i + 2] * alpha;
- }
- for (var i = 0; i < 3; i++)
- channels[i] /= total;
- return total ? Color.read(channels) : null;
- },
-
- getPixel: function() {
- var point = Point.read(arguments);
- var data = this.getContext().getImageData(point.x, point.y, 1, 1).data;
- return new Color('rgb', [data[0] / 255, data[1] / 255, data[2] / 255],
- data[3] / 255);
- },
-
- setPixel: function() {
- var point = Point.read(arguments),
- color = Color.read(arguments),
- components = color._convert('rgb'),
- alpha = color._alpha,
- ctx = this.getContext(true),
- imageData = ctx.createImageData(1, 1),
- data = imageData.data;
- data[0] = components[0] * 255;
- data[1] = components[1] * 255;
- data[2] = components[2] * 255;
- data[3] = alpha != null ? alpha * 255 : 255;
- ctx.putImageData(imageData, point.x, point.y);
- },
-
- createImageData: function() {
- var size = Size.read(arguments);
- return this.getContext().createImageData(size.width, size.height);
- },
-
- getImageData: function() {
- var rect = Rectangle.read(arguments);
- if (rect.isEmpty())
- rect = new Rectangle(this._size);
- return this.getContext().getImageData(rect.x, rect.y,
- rect.width, rect.height);
- },
-
- setImageData: function(data ) {
- var point = Point.read(arguments, 1);
- this.getContext(true).putImageData(data, point.x, point.y);
- },
-
- _getBounds: function(getter, matrix) {
- var rect = new Rectangle(this._size).setCenter(0, 0);
- return matrix ? matrix._transformBounds(rect) : rect;
- },
-
- _hitTestSelf: function(point) {
- if (this._contains(point)) {
- var that = this;
- return new HitResult('pixel', that, {
- offset: point.add(that._size.divide(2)).round(),
- color: {
- get: function() {
- return that.getPixel(this.offset);
- }
- }
- });
- }
- },
-
- _draw: function(ctx) {
- var element = this.getElement();
- if (element) {
- ctx.globalAlpha = this._opacity;
- ctx.drawImage(element,
- -this._size.width / 2, -this._size.height / 2);
- }
- },
-
- _canComposite: function() {
- return true;
- }
-});
-
-var PlacedSymbol = Item.extend({
- _class: 'PlacedSymbol',
- _applyMatrix: false,
- _canApplyMatrix: false,
- _boundsGetter: { getBounds: 'getStrokeBounds' },
- _boundsSelected: true,
- _serializeFields: {
- symbol: null
- },
-
- initialize: function PlacedSymbol(arg0, arg1) {
- if (!this._initialize(arg0,
- arg1 !== undefined && Point.read(arguments, 1)))
- this.setSymbol(arg0 instanceof Symbol ? arg0 : new Symbol(arg0));
- },
-
- _equals: function(item) {
- return this._symbol === item._symbol;
- },
-
- getSymbol: function() {
- return this._symbol;
- },
-
- setSymbol: function(symbol) {
- this._symbol = symbol;
- this._changed(9);
- },
-
- clone: function(insert) {
- var copy = new PlacedSymbol(Item.NO_INSERT);
- copy.setSymbol(this._symbol);
- return this._clone(copy, insert);
- },
-
- isEmpty: function() {
- return this._symbol._definition.isEmpty();
- },
-
- _getBounds: function(getter, matrix, cacheItem) {
- var definition = this.symbol._definition;
- return definition._getCachedBounds(getter,
- matrix && matrix.chain(definition._matrix), cacheItem);
- },
-
- _hitTestSelf: function(point, options) {
- var res = this._symbol._definition._hitTest(point, options);
- if (res)
- res.item = this;
- return res;
- },
-
- _draw: function(ctx, param) {
- this.symbol._definition.draw(ctx, param);
- }
-
-});
-
-var HitResult = Base.extend({
- _class: 'HitResult',
-
- initialize: function HitResult(type, item, values) {
- this.type = type;
- this.item = item;
- if (values) {
- values.enumerable = true;
- this.inject(values);
- }
- },
-
- statics: {
- getOptions: function(options) {
- return new Base({
- type: null,
- tolerance: paper.settings.hitTolerance,
- fill: !options,
- stroke: !options,
- segments: !options,
- handles: false,
- ends: false,
- center: false,
- bounds: false,
- guides: false,
- selected: false
- }, options);
- }
- }
-});
-
-var Segment = Base.extend({
- _class: 'Segment',
- beans: true,
-
- initialize: function Segment(arg0, arg1, arg2, arg3, arg4, arg5) {
- var count = arguments.length,
- point, handleIn, handleOut;
- if (count === 0) {
- } else if (count === 1) {
- if (arg0.point) {
- point = arg0.point;
- handleIn = arg0.handleIn;
- handleOut = arg0.handleOut;
- } else {
- point = arg0;
- }
- } else if (count === 2 && typeof arg0 === 'number') {
- point = arguments;
- } else if (count <= 3) {
- point = arg0;
- handleIn = arg1;
- handleOut = arg2;
- } else {
- point = arg0 !== undefined ? [ arg0, arg1 ] : null;
- handleIn = arg2 !== undefined ? [ arg2, arg3 ] : null;
- handleOut = arg4 !== undefined ? [ arg4, arg5 ] : null;
- }
- new SegmentPoint(point, this, '_point');
- new SegmentPoint(handleIn, this, '_handleIn');
- new SegmentPoint(handleOut, this, '_handleOut');
- },
-
- _serialize: function(options) {
- return Base.serialize(this.isStraight() ? this._point
- : [this._point, this._handleIn, this._handleOut],
- options, true);
- },
-
- _changed: function(point) {
- var path = this._path;
- if (!path)
- return;
- var curves = path._curves,
- index = this._index,
- curve;
- if (curves) {
- if ((!point || point === this._point || point === this._handleIn)
- && (curve = index > 0 ? curves[index - 1] : path._closed
- ? curves[curves.length - 1] : null))
- curve._changed();
- if ((!point || point === this._point || point === this._handleOut)
- && (curve = curves[index]))
- curve._changed();
- }
- path._changed(25);
- },
-
- getPoint: function() {
- return this._point;
- },
-
- setPoint: function() {
- var point = Point.read(arguments);
- this._point.set(point.x, point.y);
- },
-
- getHandleIn: function() {
- return this._handleIn;
- },
-
- setHandleIn: function() {
- var point = Point.read(arguments);
- this._handleIn.set(point.x, point.y);
- },
-
- getHandleOut: function() {
- return this._handleOut;
- },
-
- setHandleOut: function() {
- var point = Point.read(arguments);
- this._handleOut.set(point.x, point.y);
- },
-
- hasHandles: function() {
- return !this.isStraight();
- },
-
- isStraight: function() {
- return this._handleIn.isZero() && this._handleOut.isZero();
- },
-
- isLinear: function() {
- return Segment.isLinear(this, this.getNext());
- },
-
- isCollinear: function(segment) {
- return Segment.isCollinear(this, this.getNext(),
- segment, segment.getNext());
- },
-
- isColinear: '#isCollinear',
-
- isOrthogonal: function() {
- return Segment.isOrthogonal(this.getPrevious(), this, this.getNext());
- },
-
- isOrthogonalArc: function() {
- return Segment.isOrthogonalArc(this, this.getNext());
- },
-
- isArc: '#isOrthogonalArc',
-
- _selectionState: 0,
-
- isSelected: function(_point) {
- var state = this._selectionState;
- return !_point ? !!(state & 7)
- : _point === this._point ? !!(state & 4)
- : _point === this._handleIn ? !!(state & 1)
- : _point === this._handleOut ? !!(state & 2)
- : false;
- },
-
- setSelected: function(selected, _point) {
- var path = this._path,
- selected = !!selected,
- state = this._selectionState,
- oldState = state,
- flag = !_point ? 7
- : _point === this._point ? 4
- : _point === this._handleIn ? 1
- : _point === this._handleOut ? 2
- : 0;
- if (selected) {
- state |= flag;
- } else {
- state &= ~flag;
- }
- this._selectionState = state;
- if (path && state !== oldState) {
- path._updateSelection(this, oldState, state);
- path._changed(129);
- }
- },
-
- getIndex: function() {
- return this._index !== undefined ? this._index : null;
- },
-
- getPath: function() {
- return this._path || null;
- },
-
- getCurve: function() {
- var path = this._path,
- index = this._index;
- if (path) {
- if (index > 0 && !path._closed
- && index === path._segments.length - 1)
- index--;
- return path.getCurves()[index] || null;
- }
- return null;
- },
-
- getLocation: function() {
- var curve = this.getCurve();
- return curve
- ? new CurveLocation(curve, this === curve._segment1 ? 0 : 1)
- : null;
- },
-
- getNext: function() {
- var segments = this._path && this._path._segments;
- return segments && (segments[this._index + 1]
- || this._path._closed && segments[0]) || null;
- },
-
- getPrevious: function() {
- var segments = this._path && this._path._segments;
- return segments && (segments[this._index - 1]
- || this._path._closed && segments[segments.length - 1]) || null;
- },
-
- reverse: function() {
- return new Segment(this._point, this._handleOut, this._handleIn);
- },
-
- remove: function() {
- return this._path ? !!this._path.removeSegment(this._index) : false;
- },
-
- clone: function() {
- return new Segment(this._point, this._handleIn, this._handleOut);
- },
-
- equals: function(segment) {
- return segment === this || segment && this._class === segment._class
- && this._point.equals(segment._point)
- && this._handleIn.equals(segment._handleIn)
- && this._handleOut.equals(segment._handleOut)
- || false;
- },
-
- toString: function() {
- var parts = [ 'point: ' + this._point ];
- if (!this._handleIn.isZero())
- parts.push('handleIn: ' + this._handleIn);
- if (!this._handleOut.isZero())
- parts.push('handleOut: ' + this._handleOut);
- return '{ ' + parts.join(', ') + ' }';
- },
-
- transform: function(matrix) {
- this._transformCoordinates(matrix, new Array(6), true);
- this._changed();
- },
-
- _transformCoordinates: function(matrix, coords, change) {
- var point = this._point,
- handleIn = !change || !this._handleIn.isZero()
- ? this._handleIn : null,
- handleOut = !change || !this._handleOut.isZero()
- ? this._handleOut : null,
- x = point._x,
- y = point._y,
- i = 2;
- coords[0] = x;
- coords[1] = y;
- if (handleIn) {
- coords[i++] = handleIn._x + x;
- coords[i++] = handleIn._y + y;
- }
- if (handleOut) {
- coords[i++] = handleOut._x + x;
- coords[i++] = handleOut._y + y;
- }
- if (matrix) {
- matrix._transformCoordinates(coords, coords, i / 2);
- x = coords[0];
- y = coords[1];
- if (change) {
- point._x = x;
- point._y = y;
- i = 2;
- if (handleIn) {
- handleIn._x = coords[i++] - x;
- handleIn._y = coords[i++] - y;
- }
- if (handleOut) {
- handleOut._x = coords[i++] - x;
- handleOut._y = coords[i++] - y;
- }
- } else {
- if (!handleIn) {
- coords[i++] = x;
- coords[i++] = y;
- }
- if (!handleOut) {
- coords[i++] = x;
- coords[i++] = y;
- }
- }
- }
- return coords;
- },
-
- statics: {
-
- isLinear: function(seg1, seg2) {
- var l = seg2._point.subtract(seg1._point);
- return l.isCollinear(seg1._handleOut)
- && l.isCollinear(seg2._handleIn);
- },
-
- isCollinear: function(seg1, seg2, seg3, seg4) {
- return seg1._handleOut.isZero() && seg2._handleIn.isZero()
- && seg3._handleOut.isZero() && seg4._handleIn.isZero()
- && seg2._point.subtract(seg1._point).isCollinear(
- seg4._point.subtract(seg3._point));
- },
-
- isOrthogonal: function(seg1, seg2, seg3) {
- return seg1._handleOut.isZero() && seg2._handleIn.isZero()
- && seg2._handleOut.isZero() && seg3._handleIn.isZero()
- && seg2._point.subtract(seg1._point).isOrthogonal(
- seg3._point.subtract(seg2._point));
- },
-
- isOrthogonalArc: function(seg1, seg2) {
- var handle1 = seg1._handleOut,
- handle2 = seg2._handleIn,
- kappa = 0.5522847498307936;
- if (handle1.isOrthogonal(handle2)) {
- var pt1 = seg1._point,
- pt2 = seg2._point,
- corner = new Line(pt1, handle1, true).intersect(
- new Line(pt2, handle2, true), true);
- return corner && Numerical.isZero(handle1.getLength() /
- corner.subtract(pt1).getLength() - kappa)
- && Numerical.isZero(handle2.getLength() /
- corner.subtract(pt2).getLength() - kappa);
- }
- return false;
- },
- }
-});
-
-var SegmentPoint = Point.extend({
- initialize: function SegmentPoint(point, owner, key) {
- var x, y, selected;
- if (!point) {
- x = y = 0;
- } else if ((x = point[0]) !== undefined) {
- y = point[1];
- } else {
- var pt = point;
- if ((x = pt.x) === undefined) {
- pt = Point.read(arguments);
- x = pt.x;
- }
- y = pt.y;
- selected = pt.selected;
- }
- this._x = x;
- this._y = y;
- this._owner = owner;
- owner[key] = this;
- if (selected)
- this.setSelected(true);
- },
-
- set: function(x, y) {
- this._x = x;
- this._y = y;
- this._owner._changed(this);
- return this;
- },
-
- _serialize: function(options) {
- var f = options.formatter,
- x = f.number(this._x),
- y = f.number(this._y);
- return this.isSelected()
- ? { x: x, y: y, selected: true }
- : [x, y];
- },
-
- getX: function() {
- return this._x;
- },
-
- setX: function(x) {
- this._x = x;
- this._owner._changed(this);
- },
-
- getY: function() {
- return this._y;
- },
-
- setY: function(y) {
- this._y = y;
- this._owner._changed(this);
- },
-
- isZero: function() {
- return Numerical.isZero(this._x) && Numerical.isZero(this._y);
- },
-
- setSelected: function(selected) {
- this._owner.setSelected(selected, this);
- },
-
- isSelected: function() {
- return this._owner.isSelected(this);
- }
-});
-
-var Curve = Base.extend({
- _class: 'Curve',
-
- initialize: function Curve(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
- var count = arguments.length;
- if (count === 3) {
- this._path = arg0;
- this._segment1 = arg1;
- this._segment2 = arg2;
- } else if (count === 0) {
- this._segment1 = new Segment();
- this._segment2 = new Segment();
- } else if (count === 1) {
- this._segment1 = new Segment(arg0.segment1);
- this._segment2 = new Segment(arg0.segment2);
- } else if (count === 2) {
- this._segment1 = new Segment(arg0);
- this._segment2 = new Segment(arg1);
- } else {
- var point1, handle1, handle2, point2;
- if (count === 4) {
- point1 = arg0;
- handle1 = arg1;
- handle2 = arg2;
- point2 = arg3;
- } else if (count === 8) {
- point1 = [arg0, arg1];
- point2 = [arg6, arg7];
- handle1 = [arg2 - arg0, arg3 - arg1];
- handle2 = [arg4 - arg6, arg5 - arg7];
- }
- this._segment1 = new Segment(point1, null, handle1);
- this._segment2 = new Segment(point2, handle2, null);
- }
- },
-
- _changed: function() {
- this._length = this._bounds = undefined;
- },
-
- getPoint1: function() {
- return this._segment1._point;
- },
-
- setPoint1: function() {
- var point = Point.read(arguments);
- this._segment1._point.set(point.x, point.y);
- },
-
- getPoint2: function() {
- return this._segment2._point;
- },
-
- setPoint2: function() {
- var point = Point.read(arguments);
- this._segment2._point.set(point.x, point.y);
- },
-
- getHandle1: function() {
- return this._segment1._handleOut;
- },
-
- setHandle1: function() {
- var point = Point.read(arguments);
- this._segment1._handleOut.set(point.x, point.y);
- },
-
- getHandle2: function() {
- return this._segment2._handleIn;
- },
-
- setHandle2: function() {
- var point = Point.read(arguments);
- this._segment2._handleIn.set(point.x, point.y);
- },
-
- getSegment1: function() {
- return this._segment1;
- },
-
- getSegment2: function() {
- return this._segment2;
- },
-
- getPath: function() {
- return this._path;
- },
-
- getIndex: function() {
- return this._segment1._index;
- },
-
- getNext: function() {
- var curves = this._path && this._path._curves;
- return curves && (curves[this._segment1._index + 1]
- || this._path._closed && curves[0]) || null;
- },
-
- getPrevious: function() {
- var curves = this._path && this._path._curves;
- return curves && (curves[this._segment1._index - 1]
- || this._path._closed && curves[curves.length - 1]) || null;
- },
-
- isSelected: function() {
- return this.getPoint1().isSelected()
- && this.getHandle2().isSelected()
- && this.getHandle2().isSelected()
- && this.getPoint2().isSelected();
- },
-
- setSelected: function(selected) {
- this.getPoint1().setSelected(selected);
- this.getHandle1().setSelected(selected);
- this.getHandle2().setSelected(selected);
- this.getPoint2().setSelected(selected);
- },
-
- getValues: function(matrix) {
- return Curve.getValues(this._segment1, this._segment2, matrix);
- },
-
- getPoints: function() {
- var coords = this.getValues(),
- points = [];
- for (var i = 0; i < 8; i += 2)
- points.push(new Point(coords[i], coords[i + 1]));
- return points;
- },
-
- getLength: function() {
- if (this._length == null) {
- this._length = this.isLinear()
- ? this._segment2._point.getDistance(this._segment1._point)
- : Curve.getLength(this.getValues(), 0, 1);
- }
- return this._length;
- },
-
- getArea: function() {
- return Curve.getArea(this.getValues());
- },
-
- getPart: function(from, to) {
- return new Curve(Curve.getPart(this.getValues(), from, to));
- },
-
- getPartLength: function(from, to) {
- return Curve.getLength(this.getValues(), from, to);
- },
-
- hasHandles: function() {
- return !this._segment1._handleOut.isZero()
- || !this._segment2._handleIn.isZero();
- },
-
- isLinear: function() {
- return Segment.isLinear(this._segment1, this._segment2);
- },
-
- isCollinear: function(curve) {
- return Ssegment.isCollinear(this._segment1, this._segment2,
- curve._segment1, curve._segment2);
- },
-
- isOrthogonalArc: function() {
- return Segment.isOrthogonalArc(this._segment1, this._segment2);
- },
-
- getIntersections: function(curve) {
- return Curve.filterIntersections(Curve.getIntersections(
- this.getValues(), curve.getValues(), this, curve, []));
- },
-
- _getParameter: function(offset, isParameter) {
- return isParameter
- ? offset
- : offset && offset.curve === this
- ? offset.parameter
- : offset === undefined && isParameter === undefined
- ? 0.5
- : this.getParameterAt(offset, 0);
- },
-
- divide: function(offset, isParameter, ignoreLinear) {
- var parameter = this._getParameter(offset, isParameter),
- tolerance = 0.000001,
- res = null;
- if (parameter > tolerance && parameter < 1 - tolerance) {
- var parts = Curve.subdivide(this.getValues(), parameter),
- isLinear = ignoreLinear ? false : this.isLinear(),
- left = parts[0],
- right = parts[1];
-
- if (!isLinear) {
- this._segment1._handleOut.set(left[2] - left[0],
- left[3] - left[1]);
- this._segment2._handleIn.set(right[4] - right[6],
- right[5] - right[7]);
- }
-
- var x = left[6], y = left[7],
- segment = new Segment(new Point(x, y),
- !isLinear && new Point(left[4] - x, left[5] - y),
- !isLinear && new Point(right[2] - x, right[3] - y));
-
- if (this._path) {
- if (this._segment1._index > 0 && this._segment2._index === 0) {
- this._path.add(segment);
- } else {
- this._path.insert(this._segment2._index, segment);
- }
- res = this;
- } else {
- var end = this._segment2;
- this._segment2 = segment;
- res = new Curve(segment, end);
- }
- }
- return res;
- },
-
- split: function(offset, isParameter) {
- return this._path
- ? this._path.split(this._segment1._index,
- this._getParameter(offset, isParameter))
- : null;
- },
-
- reverse: function() {
- return new Curve(this._segment2.reverse(), this._segment1.reverse());
- },
-
- remove: function() {
- var removed = false;
- if (this._path) {
- var segment2 = this._segment2,
- handleOut = segment2._handleOut;
- removed = segment2.remove();
- if (removed)
- this._segment1._handleOut.set(handleOut.x, handleOut.y);
- }
- return removed;
- },
-
- clone: function() {
- return new Curve(this._segment1, this._segment2);
- },
-
- toString: function() {
- var parts = [ 'point1: ' + this._segment1._point ];
- if (!this._segment1._handleOut.isZero())
- parts.push('handle1: ' + this._segment1._handleOut);
- if (!this._segment2._handleIn.isZero())
- parts.push('handle2: ' + this._segment2._handleIn);
- parts.push('point2: ' + this._segment2._point);
- return '{ ' + parts.join(', ') + ' }';
- },
-
-statics: {
- getValues: function(segment1, segment2, matrix) {
- var p1 = segment1._point,
- h1 = segment1._handleOut,
- h2 = segment2._handleIn,
- p2 = segment2._point,
- values = [
- p1._x, p1._y,
- p1._x + h1._x, p1._y + h1._y,
- p2._x + h2._x, p2._y + h2._y,
- p2._x, p2._y
- ];
- if (matrix)
- matrix._transformCoordinates(values, values, 4);
- return values;
- },
-
- subdivide: function(v, t) {
- var p1x = v[0], p1y = v[1],
- c1x = v[2], c1y = v[3],
- c2x = v[4], c2y = v[5],
- p2x = v[6], p2y = v[7];
- if (t === undefined)
- t = 0.5;
- var u = 1 - t,
- p3x = u * p1x + t * c1x, p3y = u * p1y + t * c1y,
- p4x = u * c1x + t * c2x, p4y = u * c1y + t * c2y,
- p5x = u * c2x + t * p2x, p5y = u * c2y + t * p2y,
- p6x = u * p3x + t * p4x, p6y = u * p3y + t * p4y,
- p7x = u * p4x + t * p5x, p7y = u * p4y + t * p5y,
- p8x = u * p6x + t * p7x, p8y = u * p6y + t * p7y;
- return [
- [p1x, p1y, p3x, p3y, p6x, p6y, p8x, p8y],
- [p8x, p8y, p7x, p7y, p5x, p5y, p2x, p2y]
- ];
- },
-
- solveCubic: function (v, coord, val, roots, min, max) {
- var p1 = v[coord],
- c1 = v[coord + 2],
- c2 = v[coord + 4],
- p2 = v[coord + 6],
- c = 3 * (c1 - p1),
- b = 3 * (c2 - c1) - c,
- a = p2 - p1 - c - b;
- return Numerical.solveCubic(a, b, c, p1 - val, roots, min, max);
- },
-
- getParameterOf: function(v, x, y) {
- var tolerance = 0.000001;
- if (Math.abs(v[0] - x) < tolerance && Math.abs(v[1] - y) < tolerance)
- return 0;
- if (Math.abs(v[6] - x) < tolerance && Math.abs(v[7] - y) < tolerance)
- return 1;
- var txs = [],
- tys = [],
- sx = Curve.solveCubic(v, 0, x, txs, 0, 1),
- sy = Curve.solveCubic(v, 1, y, tys, 0, 1),
- tx, ty;
- for (var cx = 0; sx === -1 || cx < sx;) {
- if (sx === -1 || (tx = txs[cx++]) > 0 && tx < 1) {
- for (var cy = 0; sy === -1 || cy < sy;) {
- if (sy === -1 || (ty = tys[cy++]) > 0 && ty < 1) {
- if (sx === -1) {
- tx = ty;
- } else if (sy === -1) {
- ty = tx;
- }
- if (Math.abs(tx - ty) < tolerance)
- return (tx + ty) * 0.5;
- }
- }
- if (sx === -1)
- break;
- }
- }
- return null;
- },
-
- getPart: function(v, from, to) {
- if (from > 0)
- v = Curve.subdivide(v, from)[1];
- if (to < 1)
- v = Curve.subdivide(v, (to - from) / (1 - from))[0];
- return v;
- },
-
- hasHandles: function(v) {
- var isZero = Numerical.isZero;
- return !(isZero(v[0] - v[2]) && isZero(v[1] - v[3])
- && isZero(v[4] - v[6]) && isZero(v[5] - v[7]));
- },
-
- isLinear: function(v) {
- var p1x = v[0], p1y = v[1],
- p2x = v[6], p2y = v[7],
- l = new Point(p2x - p1x, p2y - p1y);
- return l.isCollinear(new Point(v[2] - p1x, v[3] - p1y))
- && l.isCollinear(new Point(v[4] - p2x, v[5] - p2y));
- },
-
- isFlatEnough: function(v, tolerance) {
- var p1x = v[0], p1y = v[1],
- c1x = v[2], c1y = v[3],
- c2x = v[4], c2y = v[5],
- p2x = v[6], p2y = v[7],
- ux = 3 * c1x - 2 * p1x - p2x,
- uy = 3 * c1y - 2 * p1y - p2y,
- vx = 3 * c2x - 2 * p2x - p1x,
- vy = 3 * c2y - 2 * p2y - p1y;
- return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy)
- < 10 * tolerance * tolerance;
- },
-
- getArea: function(v) {
- var p1x = v[0], p1y = v[1],
- c1x = v[2], c1y = v[3],
- c2x = v[4], c2y = v[5],
- p2x = v[6], p2y = v[7];
- return ( 3.0 * c1y * p1x - 1.5 * c1y * c2x
- - 1.5 * c1y * p2x - 3.0 * p1y * c1x
- - 1.5 * p1y * c2x - 0.5 * p1y * p2x
- + 1.5 * c2y * p1x + 1.5 * c2y * c1x
- - 3.0 * c2y * p2x + 0.5 * p2y * p1x
- + 1.5 * p2y * c1x + 3.0 * p2y * c2x) / 10;
- },
-
- getEdgeSum: function(v) {
- return (v[0] - v[2]) * (v[3] + v[1])
- + (v[2] - v[4]) * (v[5] + v[3])
- + (v[4] - v[6]) * (v[7] + v[5]);
- },
-
- getBounds: function(v) {
- var min = v.slice(0, 2),
- max = min.slice(),
- roots = [0, 0];
- for (var i = 0; i < 2; i++)
- Curve._addBounds(v[i], v[i + 2], v[i + 4], v[i + 6],
- i, 0, min, max, roots);
- return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);
- },
-
- _addBounds: function(v0, v1, v2, v3, coord, padding, min, max, roots) {
- function add(value, padding) {
- var left = value - padding,
- right = value + padding;
- if (left < min[coord])
- min[coord] = left;
- if (right > max[coord])
- max[coord] = right;
- }
- var a = 3 * (v1 - v2) - v0 + v3,
- b = 2 * (v0 + v2) - 4 * v1,
- c = v1 - v0,
- count = Numerical.solveQuadratic(a, b, c, roots),
- tMin = 0.000001,
- tMax = 1 - tMin;
- add(v3, 0);
- for (var i = 0; i < count; i++) {
- var t = roots[i],
- u = 1 - t;
- if (tMin < t && t < tMax)
- add(u * u * u * v0
- + 3 * u * u * t * v1
- + 3 * u * t * t * v2
- + t * t * t * v3,
- padding);
- }
- }
-}}, Base.each(
- ['getBounds', 'getStrokeBounds', 'getHandleBounds', 'getRoughBounds'],
- function(name) {
- this[name] = function() {
- if (!this._bounds)
- this._bounds = {};
- var bounds = this._bounds[name];
- if (!bounds) {
- bounds = this._bounds[name] = Path[name]([this._segment1,
- this._segment2], false, this._path.getStyle());
- }
- return bounds.clone();
- };
- },
-{
-
-}), {
- beans: false,
-
- getParameterAt: function(offset, start) {
- return Curve.getParameterAt(this.getValues(), offset, start);
- },
-
- getParameterOf: function() {
- var point = Point.read(arguments);
- return Curve.getParameterOf(this.getValues(), point.x, point.y);
- },
-
- getLocationAt: function(offset, isParameter) {
- var t = isParameter ? offset : this.getParameterAt(offset);
- return t != null && t >= 0 && t <= 1
- ? new CurveLocation(this, t)
- : null;
- },
-
- getLocationOf: function() {
- return this.getLocationAt(this.getParameterOf(Point.read(arguments)),
- true);
- },
-
- getOffsetOf: function() {
- var loc = this.getLocationOf.apply(this, arguments);
- return loc ? loc.getOffset() : null;
- },
-
- getNearestLocation: function() {
- var point = Point.read(arguments),
- values = this.getValues(),
- count = 100,
- minDist = Infinity,
- minT = 0;
-
- function refine(t) {
- if (t >= 0 && t <= 1) {
- var dist = point.getDistance(Curve.getPoint(values, t), true);
- if (dist < minDist) {
- minDist = dist;
- minT = t;
- return true;
- }
- }
- }
-
- for (var i = 0; i <= count; i++)
- refine(i / count);
-
- var step = 1 / (count * 2);
- while (step > 0.000001) {
- if (!refine(minT - step) && !refine(minT + step))
- step /= 2;
- }
- var pt = Curve.getPoint(values, minT);
- return new CurveLocation(this, minT, pt, null, null, null,
- point.getDistance(pt));
- },
-
- getNearestPoint: function() {
- return this.getNearestLocation.apply(this, arguments).getPoint();
- }
-
-},
-new function() {
- var methods = ['getPoint', 'getTangent', 'getNormal', 'getWeightedTangent',
- 'getWeightedNormal', 'getCurvature'];
- return Base.each(methods,
- function(name) {
- this[name + 'At'] = function(offset, isParameter) {
- var values = this.getValues();
- return Curve[name](values, isParameter ? offset
- : Curve.getParameterAt(values, offset, 0));
- };
- }, {
- statics: {
- evaluateMethods: methods
- }
- })
-},
-new function() {
-
- function getLengthIntegrand(v) {
- var p1x = v[0], p1y = v[1],
- c1x = v[2], c1y = v[3],
- c2x = v[4], c2y = v[5],
- p2x = v[6], p2y = v[7],
-
- ax = 9 * (c1x - c2x) + 3 * (p2x - p1x),
- bx = 6 * (p1x + c2x) - 12 * c1x,
- cx = 3 * (c1x - p1x),
-
- ay = 9 * (c1y - c2y) + 3 * (p2y - p1y),
- by = 6 * (p1y + c2y) - 12 * c1y,
- cy = 3 * (c1y - p1y);
-
- return function(t) {
- var dx = (ax * t + bx) * t + cx,
- dy = (ay * t + by) * t + cy;
- return Math.sqrt(dx * dx + dy * dy);
- };
- }
-
- function getIterations(a, b) {
- return Math.max(2, Math.min(16, Math.ceil(Math.abs(b - a) * 32)));
- }
-
- function evaluate(v, t, type, normalized) {
- if (t == null || t < 0 || t > 1)
- return null;
- var p1x = v[0], p1y = v[1],
- c1x = v[2], c1y = v[3],
- c2x = v[4], c2y = v[5],
- p2x = v[6], p2y = v[7],
- tolerance = 0.000001,
- x, y;
-
- if (type === 0 && (t < tolerance || t > 1 - tolerance)) {
- var isZero = t < tolerance;
- x = isZero ? p1x : p2x;
- y = isZero ? p1y : p2y;
- } else {
- var cx = 3 * (c1x - p1x),
- bx = 3 * (c2x - c1x) - cx,
- ax = p2x - p1x - cx - bx,
-
- cy = 3 * (c1y - p1y),
- by = 3 * (c2y - c1y) - cy,
- ay = p2y - p1y - cy - by;
- if (type === 0) {
- x = ((ax * t + bx) * t + cx) * t + p1x;
- y = ((ay * t + by) * t + cy) * t + p1y;
- } else {
- if (t < tolerance) {
- x = cx;
- y = cy;
- } else if (t > 1 - tolerance) {
- x = 3 * (p2x - c2x);
- y = 3 * (p2y - c2y);
- } else {
- x = (3 * ax * t + 2 * bx) * t + cx;
- y = (3 * ay * t + 2 * by) * t + cy;
- }
- if (normalized) {
- if (x === 0 && y === 0
- && (t < tolerance || t > 1 - tolerance)) {
- x = c2x - c1x;
- y = c2y - c1y;
- }
- var len = Math.sqrt(x * x + y * y);
- x /= len;
- y /= len;
- }
- if (type === 3) {
- var x2 = 6 * ax * t + 2 * bx,
- y2 = 6 * ay * t + 2 * by,
- d = Math.pow(x * x + y * y, 3 / 2);
- x = d !== 0 ? (x * y2 - y * x2) / d : 0;
- y = 0;
- }
- }
- }
- return type === 2 ? new Point(y, -x) : new Point(x, y);
- }
-
- return {
- statics: true,
-
- getLength: function(v, a, b) {
- if (a === undefined)
- a = 0;
- if (b === undefined)
- b = 1;
- var isZero = Numerical.isZero;
- if (a === 0 && b === 1
- && isZero(v[0] - v[2]) && isZero(v[1] - v[3])
- && isZero(v[6] - v[4]) && isZero(v[7] - v[5])) {
- var dx = v[6] - v[0],
- dy = v[7] - v[1];
- return Math.sqrt(dx * dx + dy * dy);
- }
- var ds = getLengthIntegrand(v);
- return Numerical.integrate(ds, a, b, getIterations(a, b));
- },
-
- getParameterAt: function(v, offset, start) {
- if (start === undefined)
- start = offset < 0 ? 1 : 0
- if (offset === 0)
- return start;
- var tolerance = 0.000001,
- abs = Math.abs,
- forward = offset > 0,
- a = forward ? start : 0,
- b = forward ? 1 : start,
- ds = getLengthIntegrand(v),
- rangeLength = Numerical.integrate(ds, a, b,
- getIterations(a, b));
- if (abs(offset - rangeLength) < tolerance) {
- return forward ? b : a;
- } else if (abs(offset) > rangeLength) {
- return null;
- }
- var guess = offset / rangeLength,
- length = 0;
- function f(t) {
- length += Numerical.integrate(ds, start, t,
- getIterations(start, t));
- start = t;
- return length - offset;
- }
- return Numerical.findRoot(f, ds, start + guess, a, b, 16,
- tolerance);
- },
-
- getPoint: function(v, t) {
- return evaluate(v, t, 0, false);
- },
-
- getTangent: function(v, t) {
- return evaluate(v, t, 1, true);
- },
-
- getWeightedTangent: function(v, t) {
- return evaluate(v, t, 1, false);
- },
-
- getNormal: function(v, t) {
- return evaluate(v, t, 2, true);
- },
-
- getWeightedNormal: function(v, t) {
- return evaluate(v, t, 2, false);
- },
-
- getCurvature: function(v, t) {
- return evaluate(v, t, 3, false).x;
- }
- };
-}, new function() {
- function addLocation(locations, include, curve1, t1, point1, curve2, t2,
- point2) {
- var loc = new CurveLocation(curve1, t1, point1, curve2, t2, point2);
- if (!include || include(loc))
- locations.push(loc);
- }
-
- function addCurveIntersections(v1, v2, curve1, curve2, locations, include,
- tMin, tMax, uMin, uMax, oldTDiff, reverse, recursion) {
- if (recursion > 32)
- return;
- var q0x = v2[0], q0y = v2[1], q3x = v2[6], q3y = v2[7],
- tolerance = 0.000001,
- getSignedDistance = Line.getSignedDistance,
- d1 = getSignedDistance(q0x, q0y, q3x, q3y, v2[2], v2[3]) || 0,
- d2 = getSignedDistance(q0x, q0y, q3x, q3y, v2[4], v2[5]) || 0,
- factor = d1 * d2 > 0 ? 3 / 4 : 4 / 9,
- dMin = factor * Math.min(0, d1, d2),
- dMax = factor * Math.max(0, d1, d2),
- dp0 = getSignedDistance(q0x, q0y, q3x, q3y, v1[0], v1[1]),
- dp1 = getSignedDistance(q0x, q0y, q3x, q3y, v1[2], v1[3]),
- dp2 = getSignedDistance(q0x, q0y, q3x, q3y, v1[4], v1[5]),
- dp3 = getSignedDistance(q0x, q0y, q3x, q3y, v1[6], v1[7]),
- tMinNew, tMaxNew, tDiff;
- if (q0x === q3x && uMax - uMin < tolerance && recursion > 3) {
- tMaxNew = tMinNew = (tMax + tMin) / 2;
- tDiff = 0;
- } else {
- var hull = getConvexHull(dp0, dp1, dp2, dp3),
- top = hull[0],
- bottom = hull[1],
- tMinClip, tMaxClip;
- tMinClip = clipConvexHull(top, bottom, dMin, dMax);
- top.reverse();
- bottom.reverse();
- tMaxClip = clipConvexHull(top, bottom, dMin, dMax);
- if (tMinClip == null || tMaxClip == null)
- return;
- v1 = Curve.getPart(v1, tMinClip, tMaxClip);
- tDiff = tMaxClip - tMinClip;
- tMinNew = tMax * tMinClip + tMin * (1 - tMinClip);
- tMaxNew = tMax * tMaxClip + tMin * (1 - tMaxClip);
- }
- if (oldTDiff > 0.5 && tDiff > 0.5) {
- if (tMaxNew - tMinNew > uMax - uMin) {
- var parts = Curve.subdivide(v1, 0.5),
- t = tMinNew + (tMaxNew - tMinNew) / 2;
- addCurveIntersections(
- v2, parts[0], curve2, curve1, locations, include,
- uMin, uMax, tMinNew, t, tDiff, !reverse, ++recursion);
- addCurveIntersections(
- v2, parts[1], curve2, curve1, locations, include,
- uMin, uMax, t, tMaxNew, tDiff, !reverse, recursion);
- } else {
- var parts = Curve.subdivide(v2, 0.5),
- t = uMin + (uMax - uMin) / 2;
- addCurveIntersections(
- parts[0], v1, curve2, curve1, locations, include,
- uMin, t, tMinNew, tMaxNew, tDiff, !reverse, ++recursion);
- addCurveIntersections(
- parts[1], v1, curve2, curve1, locations, include,
- t, uMax, tMinNew, tMaxNew, tDiff, !reverse, recursion);
- }
- } else if (Math.max(uMax - uMin, tMaxNew - tMinNew) < tolerance) {
- var t1 = tMinNew + (tMaxNew - tMinNew) / 2,
- t2 = uMin + (uMax - uMin) / 2;
- if (reverse) {
- addLocation(locations, include,
- curve2, t2, Curve.getPoint(v2, t2),
- curve1, t1, Curve.getPoint(v1, t1));
- } else {
- addLocation(locations, include,
- curve1, t1, Curve.getPoint(v1, t1),
- curve2, t2, Curve.getPoint(v2, t2));
- }
- } else if (tDiff > 0) {
- addCurveIntersections(v2, v1, curve2, curve1, locations, include,
- uMin, uMax, tMinNew, tMaxNew, tDiff, !reverse, ++recursion);
- }
- }
-
- function getConvexHull(dq0, dq1, dq2, dq3) {
- var p0 = [ 0, dq0 ],
- p1 = [ 1 / 3, dq1 ],
- p2 = [ 2 / 3, dq2 ],
- p3 = [ 1, dq3 ],
- getSignedDistance = Line.getSignedDistance,
- dist1 = getSignedDistance(0, dq0, 1, dq3, 1 / 3, dq1),
- dist2 = getSignedDistance(0, dq0, 1, dq3, 2 / 3, dq2),
- flip = false,
- hull;
- if (dist1 * dist2 < 0) {
- hull = [[p0, p1, p3], [p0, p2, p3]];
- flip = dist1 < 0;
- } else {
- var pmax, cross = 0,
- distZero = dist1 === 0 || dist2 === 0;
- if (Math.abs(dist1) > Math.abs(dist2)) {
- pmax = p1;
- cross = (dq3 - dq2 - (dq3 - dq0) / 3)
- * (2 * (dq3 - dq2) - dq3 + dq1) / 3;
- } else {
- pmax = p2;
- cross = (dq1 - dq0 + (dq0 - dq3) / 3)
- * (-2 * (dq0 - dq1) + dq0 - dq2) / 3;
- }
- hull = cross < 0 || distZero
- ? [[p0, pmax, p3], [p0, p3]]
- : [[p0, p1, p2, p3], [p0, p3]];
- flip = dist1 ? dist1 < 0 : dist2 < 0;
- }
- return flip ? hull.reverse() : hull;
- }
-
- function clipConvexHull(hullTop, hullBottom, dMin, dMax) {
- if (hullTop[0][1] < dMin) {
- return clipConvexHullPart(hullTop, true, dMin);
- } else if (hullBottom[0][1] > dMax) {
- return clipConvexHullPart(hullBottom, false, dMax);
- } else {
- return hullTop[0][0];
- }
- }
-
- function clipConvexHullPart(part, top, threshold) {
- var px = part[0][0],
- py = part[0][1];
- for (var i = 1, l = part.length; i < l; i++) {
- var qx = part[i][0],
- qy = part[i][1];
- if (top ? qy >= threshold : qy <= threshold)
- return px + (threshold - py) * (qx - px) / (qy - py);
- px = qx;
- py = qy;
- }
- return null;
- }
-
- function addCurveLineIntersections(v1, v2, curve1, curve2, locations,
- include) {
- var flip = Curve.isLinear(v1),
- vc = flip ? v2 : v1,
- vl = flip ? v1 : v2,
- lx1 = vl[0], ly1 = vl[1],
- lx2 = vl[6], ly2 = vl[7],
- ldx = lx2 - lx1,
- ldy = ly2 - ly1,
- angle = Math.atan2(-ldy, ldx),
- sin = Math.sin(angle),
- cos = Math.cos(angle),
- rlx2 = ldx * cos - ldy * sin,
- rvl = [0, 0, 0, 0, rlx2, 0, rlx2, 0],
- rvc = [];
- for(var i = 0; i < 8; i += 2) {
- var x = vc[i] - lx1,
- y = vc[i + 1] - ly1;
- rvc.push(
- x * cos - y * sin,
- y * cos + x * sin);
- }
- var roots = [],
- count = Curve.solveCubic(rvc, 1, 0, roots, 0, 1);
- for (var i = 0; i < count; i++) {
- var tc = roots[i],
- x = Curve.getPoint(rvc, tc).x;
- if (x >= 0 && x <= rlx2) {
- var tl = Curve.getParameterOf(rvl, x, 0),
- t1 = flip ? tl : tc,
- t2 = flip ? tc : tl;
- addLocation(locations, include,
- curve1, t1, Curve.getPoint(v1, t1),
- curve2, t2, Curve.getPoint(v2, t2));
- }
- }
- }
-
- function addLineIntersection(v1, v2, curve1, curve2, locations, include) {
- var point = Line.intersect(
- v1[0], v1[1], v1[6], v1[7],
- v2[0], v2[1], v2[6], v2[7]);
- if (point) {
- var x = point.x,
- y = point.y;
- addLocation(locations, include,
- curve1, Curve.getParameterOf(v1, x, y), point,
- curve2, Curve.getParameterOf(v2, x, y), point);
- }
- }
-
- return { statics: {
- getIntersections: function(v1, v2, c1, c2, locations, include) {
- var linear1 = Curve.isLinear(v1),
- linear2 = Curve.isLinear(v2),
- c1p1 = c1.getPoint1(),
- c1p2 = c1.getPoint2(),
- c2p1 = c2.getPoint1(),
- c2p2 = c2.getPoint2(),
- tolerance = 0.000001;
- if (c1p1.isClose(c2p1, tolerance))
- addLocation(locations, include, c1, 0, c1p1, c2, 0, c1p1);
- if (c1p1.isClose(c2p2, tolerance))
- addLocation(locations, include, c1, 0, c1p1, c2, 1, c1p1);
- (linear1 && linear2
- ? addLineIntersection
- : linear1 || linear2
- ? addCurveLineIntersections
- : addCurveIntersections)(
- v1, v2, c1, c2, locations, include,
- 0, 1, 0, 1, 0, false, 0);
- if (c1p2.isClose(c2p1, tolerance))
- addLocation(locations, include, c1, 1, c1p2, c2, 0, c1p2);
- if (c1p2.isClose(c2p2, tolerance))
- addLocation(locations, include, c1, 1, c1p2, c2, 1, c1p2);
- return locations;
- },
-
- filterIntersections: function(locations, _expand) {
- var last = locations.length - 1,
- tMax = 1 - 0.000001;
- for (var i = last; i >= 0; i--) {
- var loc = locations[i],
- next = loc._curve.getNext(),
- next2 = loc._curve2.getNext();
- if (next && loc._parameter >= tMax) {
- loc._parameter = 0;
- loc._curve = next;
- }
- if (next2 && loc._parameter2 >= tMax) {
- loc._parameter2 = 0;
- loc._curve2 = next2;
- }
- }
-
- function compare(loc1, loc2) {
- var path1 = loc1.getPath(),
- path2 = loc2.getPath();
- return path1 === path2
- ? (loc1.getIndex() + loc1.getParameter())
- - (loc2.getIndex() + loc2.getParameter())
- : path1._id - path2._id;
- }
-
- if (last > 0) {
- locations.sort(compare);
- for (var i = last; i > 0; i--) {
- if (locations[i].equals(locations[i - 1])) {
- locations.splice(i, 1);
- last--;
- }
- }
- }
- if (_expand) {
- for (var i = last; i >= 0; i--)
- locations.push(locations[i].getIntersection());
- locations.sort(compare);
- }
- return locations;
- }
- }};
-});
-
-var CurveLocation = Base.extend({
- _class: 'CurveLocation',
- beans: true,
-
- initialize: function CurveLocation(curve, parameter, point, _curve2,
- _parameter2, _point2, _distance) {
- this._id = UID.get(CurveLocation);
- var path = curve._path;
- this._version = path ? path._version : 0;
- this._curve = curve;
- this._parameter = parameter;
- this._point = point || curve.getPointAt(parameter, true);
- this._curve2 = _curve2;
- this._parameter2 = _parameter2;
- this._point2 = _point2;
- this._distance = _distance;
- this._segment1 = curve._segment1;
- this._segment2 = curve._segment2;
- },
-
- getSegment: function(_preferFirst) {
- if (!this._segment) {
- var curve = this.getCurve(),
- parameter = this.getParameter();
- if (parameter === 1) {
- this._segment = curve._segment2;
- } else if (parameter === 0 || _preferFirst) {
- this._segment = curve._segment1;
- } else if (parameter == null) {
- return null;
- } else {
- this._segment = curve.getPartLength(0, parameter)
- < curve.getPartLength(parameter, 1)
- ? curve._segment1
- : curve._segment2;
- }
- }
- return this._segment;
- },
-
- getCurve: function() {
- var curve = this._curve,
- path = curve && curve._path;
- if (path && path._version !== this._version) {
- curve = null;
- this._parameter = null;
- }
- if (!curve) {
- curve = this._segment1.getCurve();
- if (curve.getParameterOf(this._point) == null)
- curve = this._segment2.getPrevious().getCurve();
- this._curve = curve;
- path = curve._path;
- this._version = path ? path._version : 0;
- }
- return curve;
- },
-
- getPath: function() {
- var curve = this.getCurve();
- return curve && curve._path;
- },
-
- getIndex: function() {
- var curve = this.getCurve();
- return curve && curve.getIndex();
- },
-
- getParameter: function() {
- var curve = this.getCurve(),
- parameter = this._parameter;
- return curve && parameter == null
- ? this._parameter = curve.getParameterOf(this._point)
- : parameter;
- },
-
- getPoint: function() {
- return this._point;
- },
-
- getOffset: function() {
- var path = this.getPath();
- return path ? path._getOffset(this) : this.getCurveOffset();
- },
-
- getCurveOffset: function() {
- var curve = this.getCurve(),
- parameter = this.getParameter();
- return parameter != null && curve && curve.getPartLength(0, parameter);
- },
-
- getIntersection: function() {
- var intersection = this._intersection;
- if (!intersection && this._curve2) {
- this._intersection = intersection = new CurveLocation(this._curve2,
- this._parameter2, this._point2 || this._point, this);
- intersection._intersection = this;
- }
- return intersection;
- },
-
- getDistance: function() {
- return this._distance;
- },
-
- divide: function() {
- var curve = this.getCurve();
- return curve && curve.divide(this.getParameter(), true);
- },
-
- split: function() {
- var curve = this.getCurve();
- return curve && curve.split(this.getParameter(), true);
- },
-
- equals: function(loc) {
- var abs = Math.abs,
- tolerance = 0.000001;
- return this === loc
- || loc instanceof CurveLocation
- && this.getCurve() === loc.getCurve()
- && abs(this.getParameter() - loc.getParameter()) < tolerance
- && this._curve2 === loc._curve2
- && abs(this._parameter2 - loc._parameter2) < tolerance
- || false;
- },
-
- toString: function() {
- var parts = [],
- point = this.getPoint(),
- f = Formatter.instance;
- if (point)
- parts.push('point: ' + point);
- var index = this.getIndex();
- if (index != null)
- parts.push('index: ' + index);
- var parameter = this.getParameter();
- if (parameter != null)
- parts.push('parameter: ' + f.number(parameter));
- if (this._distance != null)
- parts.push('distance: ' + f.number(this._distance));
- return '{ ' + parts.join(', ') + ' }';
- }
-}, Base.each(Curve.evaluateMethods, function(name) {
- if (name !== 'getPoint') {
- var get = name + 'At';
- this[name] = function() {
- var parameter = this.getParameter(),
- curve = this.getCurve();
- return parameter != null && curve && curve[get](parameter, true);
- };
- }
-}, {}));
-
-var PathItem = Item.extend({
- _class: 'PathItem',
-
- initialize: function PathItem() {
- },
-
- getIntersections: function(path, _matrix, _expand) {
- if (this === path)
- path = null;
- var locations = [],
- curves1 = this.getCurves(),
- curves2 = path ? path.getCurves() : curves1,
- matrix1 = this._matrix.orNullIfIdentity(),
- matrix2 = path ? (_matrix || path._matrix).orNullIfIdentity()
- : matrix1,
- length1 = curves1.length,
- length2 = path ? curves2.length : length1,
- values2 = [],
- tMin = 0.000001,
- tMax = 1 - tMin;
- if (path && !this.getBounds(matrix1).touches(path.getBounds(matrix2)))
- return [];
- for (var i = 0; i < length2; i++)
- values2[i] = curves2[i].getValues(matrix2);
- for (var i = 0; i < length1; i++) {
- var curve1 = curves1[i],
- values1 = path ? curve1.getValues(matrix1) : values2[i];
- if (!path) {
- var seg1 = curve1.getSegment1(),
- seg2 = curve1.getSegment2(),
- h1 = seg1._handleOut,
- h2 = seg2._handleIn;
- if (new Line(seg1._point.subtract(h1), h1.multiply(2), true)
- .intersect(new Line(seg2._point.subtract(h2),
- h2.multiply(2), true), false)) {
- var parts = Curve.subdivide(values1);
- Curve.getIntersections(
- parts[0], parts[1], curve1, curve1, locations,
- function(loc) {
- if (loc._parameter <= tMax) {
- loc._parameter /= 2;
- loc._parameter2 = 0.5 + loc._parameter2 / 2;
- return true;
- }
- }
- );
- }
- }
- for (var j = path ? 0 : i + 1; j < length2; j++) {
- Curve.getIntersections(
- values1, values2[j], curve1, curves2[j], locations,
- !path && (j === i + 1 || j === length2 - 1 && i === 0)
- && function(loc) {
- var t = loc._parameter;
- return t >= tMin && t <= tMax;
- }
- );
- }
- }
- return Curve.filterIntersections(locations, _expand);
- },
-
- _asPathItem: function() {
- return this;
- },
-
- setPathData: function(data) {
-
- var parts = data.match(/[mlhvcsqtaz][^mlhvcsqtaz]*/ig),
- coords,
- relative = false,
- previous,
- control,
- current = new Point(),
- start = new Point();
-
- function getCoord(index, coord) {
- var val = +coords[index];
- if (relative)
- val += current[coord];
- return val;
- }
-
- function getPoint(index) {
- return new Point(
- getCoord(index, 'x'),
- getCoord(index + 1, 'y')
- );
- }
-
- this.clear();
-
- for (var i = 0, l = parts && parts.length; i < l; i++) {
- var part = parts[i],
- command = part[0],
- lower = command.toLowerCase();
- coords = part.match(/[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g);
- var length = coords && coords.length;
- relative = command === lower;
- if (previous === 'z' && !/[mz]/.test(lower))
- this.moveTo(current = start);
- switch (lower) {
- case 'm':
- case 'l':
- var move = lower === 'm';
- for (var j = 0; j < length; j += 2)
- this[j === 0 && move ? 'moveTo' : 'lineTo'](
- current = getPoint(j));
- control = current;
- if (move)
- start = current;
- break;
- case 'h':
- case 'v':
- var coord = lower === 'h' ? 'x' : 'y';
- for (var j = 0; j < length; j++) {
- current[coord] = getCoord(j, coord);
- this.lineTo(current);
- }
- control = current;
- break;
- case 'c':
- for (var j = 0; j < length; j += 6) {
- this.cubicCurveTo(
- getPoint(j),
- control = getPoint(j + 2),
- current = getPoint(j + 4));
- }
- break;
- case 's':
- for (var j = 0; j < length; j += 4) {
- this.cubicCurveTo(
- /[cs]/.test(previous)
- ? current.multiply(2).subtract(control)
- : current,
- control = getPoint(j),
- current = getPoint(j + 2));
- previous = lower;
- }
- break;
- case 'q':
- for (var j = 0; j < length; j += 4) {
- this.quadraticCurveTo(
- control = getPoint(j),
- current = getPoint(j + 2));
- }
- break;
- case 't':
- for (var j = 0; j < length; j += 2) {
- this.quadraticCurveTo(
- control = (/[qt]/.test(previous)
- ? current.multiply(2).subtract(control)
- : current),
- current = getPoint(j));
- previous = lower;
- }
- break;
- case 'a':
- for (var j = 0; j < length; j += 7) {
- this.arcTo(current = getPoint(j + 5),
- new Size(+coords[j], +coords[j + 1]),
- +coords[j + 2], +coords[j + 4], +coords[j + 3]);
- }
- break;
- case 'z':
- this.closePath(true);
- break;
- }
- previous = lower;
- }
- },
-
- _canComposite: function() {
- return !(this.hasFill() && this.hasStroke());
- },
-
- _contains: function(point) {
- var winding = this._getWinding(point, false, true);
- return !!(this.getWindingRule() === 'evenodd' ? winding & 1 : winding);
- }
-
-});
-
-var Path = PathItem.extend({
- _class: 'Path',
- _serializeFields: {
- segments: [],
- closed: false
- },
-
- initialize: function Path(arg) {
- this._closed = false;
- this._segments = [];
- this._version = 0;
- var segments = Array.isArray(arg)
- ? typeof arg[0] === 'object'
- ? arg
- : arguments
- : arg && (arg.size === undefined && (arg.x !== undefined
- || arg.point !== undefined))
- ? arguments
- : null;
- if (segments && segments.length > 0) {
- this.setSegments(segments);
- } else {
- this._curves = undefined;
- this._selectedSegmentState = 0;
- if (!segments && typeof arg === 'string') {
- this.setPathData(arg);
- arg = null;
- }
- }
- this._initialize(!segments && arg);
- },
-
- _equals: function(item) {
- return this._closed === item._closed
- && Base.equals(this._segments, item._segments);
- },
-
- clone: function(insert) {
- var copy = new Path(Item.NO_INSERT);
- copy.setSegments(this._segments);
- copy._closed = this._closed;
- if (this._clockwise !== undefined)
- copy._clockwise = this._clockwise;
- return this._clone(copy, insert);
- },
-
- _changed: function _changed(flags) {
- _changed.base.call(this, flags);
- if (flags & 8) {
- var parent = this._parent;
- if (parent)
- parent._currentPath = undefined;
- this._length = this._clockwise = undefined;
- if (flags & 16) {
- this._version++;
- } else if (this._curves) {
- for (var i = 0, l = this._curves.length; i < l; i++)
- this._curves[i]._changed();
- }
- this._monoCurves = undefined;
- } else if (flags & 32) {
- this._bounds = undefined;
- }
- },
-
- getStyle: function() {
- var parent = this._parent;
- return (parent instanceof CompoundPath ? parent : this)._style;
- },
-
- getSegments: function() {
- return this._segments;
- },
-
- setSegments: function(segments) {
- var fullySelected = this.isFullySelected();
- this._segments.length = 0;
- this._selectedSegmentState = 0;
- this._curves = undefined;
- if (segments && segments.length > 0)
- this._add(Segment.readAll(segments));
- if (fullySelected)
- this.setFullySelected(true);
- },
-
- getFirstSegment: function() {
- return this._segments[0];
- },
-
- getLastSegment: function() {
- return this._segments[this._segments.length - 1];
- },
-
- getCurves: function() {
- var curves = this._curves,
- segments = this._segments;
- if (!curves) {
- var length = this._countCurves();
- curves = this._curves = new Array(length);
- for (var i = 0; i < length; i++)
- curves[i] = new Curve(this, segments[i],
- segments[i + 1] || segments[0]);
- }
- return curves;
- },
-
- getFirstCurve: function() {
- return this.getCurves()[0];
- },
-
- getLastCurve: function() {
- var curves = this.getCurves();
- return curves[curves.length - 1];
- },
-
- isClosed: function() {
- return this._closed;
- },
-
- setClosed: function(closed) {
- if (this._closed != (closed = !!closed)) {
- this._closed = closed;
- if (this._curves) {
- var length = this._curves.length = this._countCurves();
- if (closed)
- this._curves[length - 1] = new Curve(this,
- this._segments[length - 1], this._segments[0]);
- }
- this._changed(25);
- }
- }
-}, {
- beans: true,
-
- getPathData: function(_matrix, _precision) {
- var segments = this._segments,
- length = segments.length,
- f = new Formatter(_precision),
- coords = new Array(6),
- first = true,
- curX, curY,
- prevX, prevY,
- inX, inY,
- outX, outY,
- parts = [];
-
- function addSegment(segment, skipLine) {
- segment._transformCoordinates(_matrix, coords, false);
- curX = coords[0];
- curY = coords[1];
- if (first) {
- parts.push('M' + f.pair(curX, curY));
- first = false;
- } else {
- inX = coords[2];
- inY = coords[3];
- if (inX === curX && inY === curY
- && outX === prevX && outY === prevY) {
- if (!skipLine)
- parts.push('l' + f.pair(curX - prevX, curY - prevY));
- } else {
- parts.push('c' + f.pair(outX - prevX, outY - prevY)
- + ' ' + f.pair(inX - prevX, inY - prevY)
- + ' ' + f.pair(curX - prevX, curY - prevY));
- }
- }
- prevX = curX;
- prevY = curY;
- outX = coords[4];
- outY = coords[5];
- }
-
- if (length === 0)
- return '';
-
- for (var i = 0; i < length; i++)
- addSegment(segments[i]);
- if (this._closed && length > 0) {
- addSegment(segments[0], true);
- parts.push('z');
- }
- return parts.join('');
- }
-}, {
-
- isEmpty: function() {
- return this._segments.length === 0;
- },
-
- isLinear: function() {
- var segments = this._segments;
- for (var i = 0, l = segments.length; i < l; i++) {
- if (!segments[i].isLinear())
- return false;
- }
- return true;
- },
-
- hasHandles: function() {
- var segments = this._segments;
- for (var i = 0, l = segments.length; i < l; i++) {
- if (segments[i].hasHandles())
- return true;
- }
- return false;
- },
-
- _transformContent: function(matrix) {
- var coords = new Array(6);
- for (var i = 0, l = this._segments.length; i < l; i++)
- this._segments[i]._transformCoordinates(matrix, coords, true);
- return true;
- },
-
- _add: function(segs, index) {
- var segments = this._segments,
- curves = this._curves,
- amount = segs.length,
- append = index == null,
- index = append ? segments.length : index;
- for (var i = 0; i < amount; i++) {
- var segment = segs[i];
- if (segment._path)
- segment = segs[i] = segment.clone();
- segment._path = this;
- segment._index = index + i;
- if (segment._selectionState)
- this._updateSelection(segment, 0, segment._selectionState);
- }
- if (append) {
- segments.push.apply(segments, segs);
- } else {
- segments.splice.apply(segments, [index, 0].concat(segs));
- for (var i = index + amount, l = segments.length; i < l; i++)
- segments[i]._index = i;
- }
- if (curves || segs._curves) {
- if (!curves)
- curves = this._curves = [];
- var from = index > 0 ? index - 1 : index,
- start = from,
- to = Math.min(from + amount, this._countCurves());
- if (segs._curves) {
- curves.splice.apply(curves, [from, 0].concat(segs._curves));
- start += segs._curves.length;
- }
- for (var i = start; i < to; i++)
- curves.splice(i, 0, new Curve(this, null, null));
- this._adjustCurves(from, to);
- }
- this._changed(25);
- return segs;
- },
-
- _adjustCurves: function(from, to) {
- var segments = this._segments,
- curves = this._curves,
- curve;
- for (var i = from; i < to; i++) {
- curve = curves[i];
- curve._path = this;
- curve._segment1 = segments[i];
- curve._segment2 = segments[i + 1] || segments[0];
- curve._changed();
- }
- if (curve = curves[this._closed && from === 0 ? segments.length - 1
- : from - 1]) {
- curve._segment2 = segments[from] || segments[0];
- curve._changed();
- }
- if (curve = curves[to]) {
- curve._segment1 = segments[to];
- curve._changed();
- }
- },
-
- _countCurves: function() {
- var length = this._segments.length;
- return !this._closed && length > 0 ? length - 1 : length;
- },
-
- add: function(segment1 ) {
- return arguments.length > 1 && typeof segment1 !== 'number'
- ? this._add(Segment.readAll(arguments))
- : this._add([ Segment.read(arguments) ])[0];
- },
-
- insert: function(index, segment1 ) {
- return arguments.length > 2 && typeof segment1 !== 'number'
- ? this._add(Segment.readAll(arguments, 1), index)
- : this._add([ Segment.read(arguments, 1) ], index)[0];
- },
-
- addSegment: function() {
- return this._add([ Segment.read(arguments) ])[0];
- },
-
- insertSegment: function(index ) {
- return this._add([ Segment.read(arguments, 1) ], index)[0];
- },
-
- addSegments: function(segments) {
- return this._add(Segment.readAll(segments));
- },
-
- insertSegments: function(index, segments) {
- return this._add(Segment.readAll(segments), index);
- },
-
- removeSegment: function(index) {
- return this.removeSegments(index, index + 1)[0] || null;
- },
-
- removeSegments: function(from, to, _includeCurves) {
- from = from || 0;
- to = Base.pick(to, this._segments.length);
- var segments = this._segments,
- curves = this._curves,
- count = segments.length,
- removed = segments.splice(from, to - from),
- amount = removed.length;
- if (!amount)
- return removed;
- for (var i = 0; i < amount; i++) {
- var segment = removed[i];
- if (segment._selectionState)
- this._updateSelection(segment, segment._selectionState, 0);
- segment._index = segment._path = null;
- }
- for (var i = from, l = segments.length; i < l; i++)
- segments[i]._index = i;
- if (curves) {
- var index = from > 0 && to === count + (this._closed ? 1 : 0)
- ? from - 1
- : from,
- curves = curves.splice(index, amount);
- if (_includeCurves)
- removed._curves = curves.slice(1);
- this._adjustCurves(index, index);
- }
- this._changed(25);
- return removed;
- },
-
- clear: '#removeSegments',
-
- getLength: function() {
- if (this._length == null) {
- var curves = this.getCurves();
- this._length = 0;
- for (var i = 0, l = curves.length; i < l; i++)
- this._length += curves[i].getLength();
- }
- return this._length;
- },
-
- getArea: function() {
- var curves = this.getCurves();
- var area = 0;
- for (var i = 0, l = curves.length; i < l; i++)
- area += curves[i].getArea();
- return area;
- },
-
- isFullySelected: function() {
- var length = this._segments.length;
- return this._selected && length > 0 && this._selectedSegmentState
- === length * 7;
- },
-
- setFullySelected: function(selected) {
- if (selected)
- this._selectSegments(true);
- this.setSelected(selected);
- },
-
- setSelected: function setSelected(selected) {
- if (!selected)
- this._selectSegments(false);
- setSelected.base.call(this, selected);
- },
-
- _selectSegments: function(selected) {
- var length = this._segments.length;
- this._selectedSegmentState = selected
- ? length * 7 : 0;
- for (var i = 0; i < length; i++)
- this._segments[i]._selectionState = selected
- ? 7 : 0;
- },
-
- _updateSelection: function(segment, oldState, newState) {
- segment._selectionState = newState;
- var total = this._selectedSegmentState += newState - oldState;
- if (total > 0)
- this.setSelected(true);
- },
-
- flatten: function(maxDistance) {
- var iterator = new PathIterator(this, 64, 0.1),
- pos = 0,
- step = iterator.length / Math.ceil(iterator.length / maxDistance),
- end = iterator.length + (this._closed ? -step : step) / 2;
- var segments = [];
- while (pos <= end) {
- segments.push(new Segment(iterator.getPointAt(pos)));
- pos += step;
- }
- this.setSegments(segments);
- },
-
- reduce: function() {
- var curves = this.getCurves();
- for (var i = curves.length - 1; i >= 0; i--) {
- var curve = curves[i];
- if (curve.isLinear() && curve.getLength() === 0)
- curve.remove();
- }
- return this;
- },
-
- simplify: function(tolerance) {
- if (this._segments.length > 2) {
- var fitter = new PathFitter(this, tolerance || 2.5);
- this.setSegments(fitter.fit());
- }
- },
-
- split: function(index, parameter) {
- if (parameter === null)
- return null;
- if (arguments.length === 1) {
- var arg = index;
- if (typeof arg === 'number')
- arg = this.getLocationAt(arg);
- if (!arg)
- return null
- index = arg.index;
- parameter = arg.parameter;
- }
- var tolerance = 0.000001;
- if (parameter >= 1 - tolerance) {
- index++;
- parameter--;
- }
- var curves = this.getCurves();
- if (index >= 0 && index < curves.length) {
- if (parameter > tolerance) {
- curves[index++].divide(parameter, true);
- }
- var segs = this.removeSegments(index, this._segments.length, true),
- path;
- if (this._closed) {
- this.setClosed(false);
- path = this;
- } else {
- path = this._clone(new Path().insertAbove(this, true));
- }
- path._add(segs, 0);
- this.addSegment(segs[0]);
- return path;
- }
- return null;
- },
-
- isClockwise: function() {
- if (this._clockwise !== undefined)
- return this._clockwise;
- return Path.isClockwise(this._segments);
- },
-
- setClockwise: function(clockwise) {
- if (this.isClockwise() != (clockwise = !!clockwise))
- this.reverse();
- this._clockwise = clockwise;
- },
-
- reverse: function() {
- this._segments.reverse();
- for (var i = 0, l = this._segments.length; i < l; i++) {
- var segment = this._segments[i];
- var handleIn = segment._handleIn;
- segment._handleIn = segment._handleOut;
- segment._handleOut = handleIn;
- segment._index = i;
- }
- this._curves = null;
- if (this._clockwise !== undefined)
- this._clockwise = !this._clockwise;
- this._changed(9);
- },
-
- join: function(path) {
- if (path) {
- var segments = path._segments,
- last1 = this.getLastSegment(),
- last2 = path.getLastSegment();
- if (!last2)
- return this;
- if (last1 && last1._point.equals(last2._point))
- path.reverse();
- var first2 = path.getFirstSegment();
- if (last1 && last1._point.equals(first2._point)) {
- last1.setHandleOut(first2._handleOut);
- this._add(segments.slice(1));
- } else {
- var first1 = this.getFirstSegment();
- if (first1 && first1._point.equals(first2._point))
- path.reverse();
- last2 = path.getLastSegment();
- if (first1 && first1._point.equals(last2._point)) {
- first1.setHandleIn(last2._handleIn);
- this._add(segments.slice(0, segments.length - 1), 0);
- } else {
- this._add(segments.slice());
- }
- }
- if (path.closed)
- this._add([segments[0]]);
- path.remove();
- }
- var first = this.getFirstSegment(),
- last = this.getLastSegment();
- if (first !== last && first._point.equals(last._point)) {
- first.setHandleIn(last._handleIn);
- last.remove();
- this.setClosed(true);
- }
- return this;
- },
-
- toShape: function(insert) {
- if (!this._closed)
- return null;
-
- var segments = this._segments,
- type,
- size,
- radius,
- topCenter;
-
- function isCollinear(i, j) {
- return segments[i].isCollinear(segments[j]);
- }
-
- function isOrthogonal(i) {
- return segments[i].isOrthogonal();
- }
-
- function isArc(i) {
- return segments[i].isOrthogonalArc();
- }
-
- function getDistance(i, j) {
- return segments[i]._point.getDistance(segments[j]._point);
- }
-
- if (!this.hasHandles() && segments.length === 4
- && isCollinear(0, 2) && isCollinear(1, 3) && isOrthogonal(1)) {
- type = Shape.Rectangle;
- size = new Size(getDistance(0, 3), getDistance(0, 1));
- topCenter = segments[1]._point.add(segments[2]._point).divide(2);
- } else if (segments.length === 8 && isArc(0) && isArc(2) && isArc(4)
- && isArc(6) && isCollinear(1, 5) && isCollinear(3, 7)) {
- type = Shape.Rectangle;
- size = new Size(getDistance(1, 6), getDistance(0, 3));
- radius = size.subtract(new Size(getDistance(0, 7),
- getDistance(1, 2))).divide(2);
- topCenter = segments[3]._point.add(segments[4]._point).divide(2);
- } else if (segments.length === 4
- && isArc(0) && isArc(1) && isArc(2) && isArc(3)) {
- if (Numerical.isZero(getDistance(0, 2) - getDistance(1, 3))) {
- type = Shape.Circle;
- radius = getDistance(0, 2) / 2;
- } else {
- type = Shape.Ellipse;
- radius = new Size(getDistance(2, 0) / 2, getDistance(3, 1) / 2);
- }
- topCenter = segments[1]._point;
- }
-
- if (type) {
- var center = this.getPosition(true),
- shape = this._clone(new type({
- center: center,
- size: size,
- radius: radius,
- insert: false
- }), insert, false);
- shape.rotate(topCenter.subtract(center).getAngle() + 90);
- return shape;
- }
- return null;
- },
-
- _hitTestSelf: function(point, options) {
- var that = this,
- style = this.getStyle(),
- segments = this._segments,
- numSegments = segments.length,
- closed = this._closed,
- tolerancePadding = options._tolerancePadding,
- strokePadding = tolerancePadding,
- join, cap, miterLimit,
- area, loc, res,
- hitStroke = options.stroke && style.hasStroke(),
- hitFill = options.fill && style.hasFill(),
- hitCurves = options.curves,
- radius = hitStroke
- ? style.getStrokeWidth() / 2
- : hitFill && options.tolerance > 0 || hitCurves
- ? 0 : null;
- if (radius !== null) {
- if (radius > 0) {
- join = style.getStrokeJoin();
- cap = style.getStrokeCap();
- miterLimit = radius * style.getMiterLimit();
- strokePadding = tolerancePadding.add(new Point(radius, radius));
- } else {
- join = cap = 'round';
- }
- }
-
- function isCloseEnough(pt, padding) {
- return point.subtract(pt).divide(padding).length <= 1;
- }
-
- function checkSegmentPoint(seg, pt, name) {
- if (!options.selected || pt.isSelected()) {
- var anchor = seg._point;
- if (pt !== anchor)
- pt = pt.add(anchor);
- if (isCloseEnough(pt, strokePadding)) {
- return new HitResult(name, that, {
- segment: seg,
- point: pt
- });
- }
- }
- }
-
- function checkSegmentPoints(seg, ends) {
- return (ends || options.segments)
- && checkSegmentPoint(seg, seg._point, 'segment')
- || (!ends && options.handles) && (
- checkSegmentPoint(seg, seg._handleIn, 'handle-in') ||
- checkSegmentPoint(seg, seg._handleOut, 'handle-out'));
- }
-
- function addToArea(point) {
- area.add(point);
- }
-
- function checkSegmentStroke(segment) {
- if (join !== 'round' || cap !== 'round') {
- area = new Path({ internal: true, closed: true });
- if (closed || segment._index > 0
- && segment._index < numSegments - 1) {
- if (join !== 'round' && (segment._handleIn.isZero()
- || segment._handleOut.isZero()))
- Path._addBevelJoin(segment, join, radius, miterLimit,
- addToArea, true);
- } else if (cap !== 'round') {
- Path._addSquareCap(segment, cap, radius, addToArea, true);
- }
- if (!area.isEmpty()) {
- var loc;
- return area.contains(point)
- || (loc = area.getNearestLocation(point))
- && isCloseEnough(loc.getPoint(), tolerancePadding);
- }
- }
- return isCloseEnough(segment._point, strokePadding);
- }
-
- if (options.ends && !options.segments && !closed) {
- if (res = checkSegmentPoints(segments[0], true)
- || checkSegmentPoints(segments[numSegments - 1], true))
- return res;
- } else if (options.segments || options.handles) {
- for (var i = 0; i < numSegments; i++)
- if (res = checkSegmentPoints(segments[i]))
- return res;
- }
- if (radius !== null) {
- loc = this.getNearestLocation(point);
- if (loc) {
- var parameter = loc.getParameter();
- if (parameter === 0 || parameter === 1 && numSegments > 1) {
- if (!checkSegmentStroke(loc.getSegment()))
- loc = null;
- } else if (!isCloseEnough(loc.getPoint(), strokePadding)) {
- loc = null;
- }
- }
- if (!loc && join === 'miter' && numSegments > 1) {
- for (var i = 0; i < numSegments; i++) {
- var segment = segments[i];
- if (point.getDistance(segment._point) <= miterLimit
- && checkSegmentStroke(segment)) {
- loc = segment.getLocation();
- break;
- }
- }
- }
- }
- return !loc && hitFill && this._contains(point)
- || loc && !hitStroke && !hitCurves
- ? new HitResult('fill', this)
- : loc
- ? new HitResult(hitStroke ? 'stroke' : 'curve', this, {
- location: loc,
- point: loc.getPoint()
- })
- : null;
- }
-
-}, Base.each(Curve.evaluateMethods,
- function(name) {
- this[name + 'At'] = function(offset, isParameter) {
- var loc = this.getLocationAt(offset, isParameter);
- return loc && loc[name]();
- };
- },
-{
- beans: false,
-
- _getOffset: function(location) {
- var index = location && location.getIndex();
- if (index != null) {
- var curves = this.getCurves(),
- offset = 0;
- for (var i = 0; i < index; i++)
- offset += curves[i].getLength();
- var curve = curves[index],
- parameter = location.getParameter();
- if (parameter > 0)
- offset += curve.getPartLength(0, parameter);
- return offset;
- }
- return null;
- },
-
- getLocationOf: function() {
- var point = Point.read(arguments),
- curves = this.getCurves();
- for (var i = 0, l = curves.length; i < l; i++) {
- var loc = curves[i].getLocationOf(point);
- if (loc)
- return loc;
- }
- return null;
- },
-
- getOffsetOf: function() {
- var loc = this.getLocationOf.apply(this, arguments);
- return loc ? loc.getOffset() : null;
- },
-
- getLocationAt: function(offset, isParameter) {
- var curves = this.getCurves(),
- length = 0;
- if (isParameter) {
- var index = ~~offset,
- curve = curves[index];
- return curve ? curve.getLocationAt(offset - index, true) : null;
- }
- for (var i = 0, l = curves.length; i < l; i++) {
- var start = length,
- curve = curves[i];
- length += curve.getLength();
- if (length > offset) {
- return curve.getLocationAt(offset - start);
- }
- }
- if (offset <= this.getLength())
- return new CurveLocation(curves[curves.length - 1], 1);
- return null;
- },
-
- getNearestLocation: function() {
- var point = Point.read(arguments),
- curves = this.getCurves(),
- minDist = Infinity,
- minLoc = null;
- for (var i = 0, l = curves.length; i < l; i++) {
- var loc = curves[i].getNearestLocation(point);
- if (loc._distance < minDist) {
- minDist = loc._distance;
- minLoc = loc;
- }
- }
- return minLoc;
- },
-
- getNearestPoint: function() {
- return this.getNearestLocation.apply(this, arguments).getPoint();
- }
-}), new function() {
-
- function drawHandles(ctx, segments, matrix, size) {
- var half = size / 2;
-
- function drawHandle(index) {
- var hX = coords[index],
- hY = coords[index + 1];
- if (pX != hX || pY != hY) {
- ctx.beginPath();
- ctx.moveTo(pX, pY);
- ctx.lineTo(hX, hY);
- ctx.stroke();
- ctx.beginPath();
- ctx.arc(hX, hY, half, 0, Math.PI * 2, true);
- ctx.fill();
- }
- }
-
- var coords = new Array(6);
- for (var i = 0, l = segments.length; i < l; i++) {
- var segment = segments[i];
- segment._transformCoordinates(matrix, coords, false);
- var state = segment._selectionState,
- pX = coords[0],
- pY = coords[1];
- if (state & 1)
- drawHandle(2);
- if (state & 2)
- drawHandle(4);
- ctx.fillRect(pX - half, pY - half, size, size);
- if (!(state & 4)) {
- var fillStyle = ctx.fillStyle;
- ctx.fillStyle = '#ffffff';
- ctx.fillRect(pX - half + 1, pY - half + 1, size - 2, size - 2);
- ctx.fillStyle = fillStyle;
- }
- }
- }
-
- function drawSegments(ctx, path, matrix) {
- var segments = path._segments,
- length = segments.length,
- coords = new Array(6),
- first = true,
- curX, curY,
- prevX, prevY,
- inX, inY,
- outX, outY;
-
- function drawSegment(segment) {
- if (matrix) {
- segment._transformCoordinates(matrix, coords, false);
- curX = coords[0];
- curY = coords[1];
- } else {
- var point = segment._point;
- curX = point._x;
- curY = point._y;
- }
- if (first) {
- ctx.moveTo(curX, curY);
- first = false;
- } else {
- if (matrix) {
- inX = coords[2];
- inY = coords[3];
- } else {
- var handle = segment._handleIn;
- inX = curX + handle._x;
- inY = curY + handle._y;
- }
- if (inX === curX && inY === curY
- && outX === prevX && outY === prevY) {
- ctx.lineTo(curX, curY);
- } else {
- ctx.bezierCurveTo(outX, outY, inX, inY, curX, curY);
- }
- }
- prevX = curX;
- prevY = curY;
- if (matrix) {
- outX = coords[4];
- outY = coords[5];
- } else {
- var handle = segment._handleOut;
- outX = prevX + handle._x;
- outY = prevY + handle._y;
- }
- }
-
- for (var i = 0; i < length; i++)
- drawSegment(segments[i]);
- if (path._closed && length > 0)
- drawSegment(segments[0]);
- }
-
- return {
- _draw: function(ctx, param, strokeMatrix) {
- var dontStart = param.dontStart,
- dontPaint = param.dontFinish || param.clip,
- style = this.getStyle(),
- hasFill = style.hasFill(),
- hasStroke = style.hasStroke(),
- dashArray = style.getDashArray(),
- dashLength = !paper.support.nativeDash && hasStroke
- && dashArray && dashArray.length;
-
- if (!dontStart)
- ctx.beginPath();
-
- if (!dontStart && this._currentPath) {
- ctx.currentPath = this._currentPath;
- } else if (hasFill || hasStroke && !dashLength || dontPaint) {
- drawSegments(ctx, this, strokeMatrix);
- if (this._closed)
- ctx.closePath();
- if (!dontStart)
- this._currentPath = ctx.currentPath;
- }
-
- function getOffset(i) {
- return dashArray[((i % dashLength) + dashLength) % dashLength];
- }
-
- if (!dontPaint && (hasFill || hasStroke)) {
- this._setStyles(ctx);
- if (hasFill) {
- ctx.fill(style.getWindingRule());
- ctx.shadowColor = 'rgba(0,0,0,0)';
- }
- if (hasStroke) {
- if (dashLength) {
- if (!dontStart)
- ctx.beginPath();
- var iterator = new PathIterator(this, 32, 0.25,
- strokeMatrix),
- length = iterator.length,
- from = -style.getDashOffset(), to,
- i = 0;
- from = from % length;
- while (from > 0) {
- from -= getOffset(i--) + getOffset(i--);
- }
- while (from < length) {
- to = from + getOffset(i++);
- if (from > 0 || to > 0)
- iterator.drawPart(ctx,
- Math.max(from, 0), Math.max(to, 0));
- from = to + getOffset(i++);
- }
- }
- ctx.stroke();
- }
- }
- },
-
- _drawSelected: function(ctx, matrix) {
- ctx.beginPath();
- drawSegments(ctx, this, matrix);
- ctx.stroke();
- drawHandles(ctx, this._segments, matrix, paper.settings.handleSize);
- }
- };
-}, new function() {
-
- function getFirstControlPoints(rhs) {
- var n = rhs.length,
- x = [],
- tmp = [],
- b = 2;
- x[0] = rhs[0] / b;
- for (var i = 1; i < n; i++) {
- tmp[i] = 1 / b;
- b = (i < n - 1 ? 4 : 2) - tmp[i];
- x[i] = (rhs[i] - x[i - 1]) / b;
- }
- for (var i = 1; i < n; i++) {
- x[n - i - 1] -= tmp[n - i] * x[n - i];
- }
- return x;
- }
-
- return {
- smooth: function() {
- var segments = this._segments,
- size = segments.length,
- closed = this._closed,
- n = size,
- overlap = 0;
- if (size <= 2)
- return;
- if (closed) {
- overlap = Math.min(size, 4);
- n += Math.min(size, overlap) * 2;
- }
- var knots = [];
- for (var i = 0; i < size; i++)
- knots[i + overlap] = segments[i]._point;
- if (closed) {
- for (var i = 0; i < overlap; i++) {
- knots[i] = segments[i + size - overlap]._point;
- knots[i + size + overlap] = segments[i]._point;
- }
- } else {
- n--;
- }
- var rhs = [];
-
- for (var i = 1; i < n - 1; i++)
- rhs[i] = 4 * knots[i]._x + 2 * knots[i + 1]._x;
- rhs[0] = knots[0]._x + 2 * knots[1]._x;
- rhs[n - 1] = 3 * knots[n - 1]._x;
- var x = getFirstControlPoints(rhs);
-
- for (var i = 1; i < n - 1; i++)
- rhs[i] = 4 * knots[i]._y + 2 * knots[i + 1]._y;
- rhs[0] = knots[0]._y + 2 * knots[1]._y;
- rhs[n - 1] = 3 * knots[n - 1]._y;
- var y = getFirstControlPoints(rhs);
-
- if (closed) {
- for (var i = 0, j = size; i < overlap; i++, j++) {
- var f1 = i / overlap,
- f2 = 1 - f1,
- ie = i + overlap,
- je = j + overlap;
- x[j] = x[i] * f1 + x[j] * f2;
- y[j] = y[i] * f1 + y[j] * f2;
- x[je] = x[ie] * f2 + x[je] * f1;
- y[je] = y[ie] * f2 + y[je] * f1;
- }
- n--;
- }
- var handleIn = null;
- for (var i = overlap; i <= n - overlap; i++) {
- var segment = segments[i - overlap];
- if (handleIn)
- segment.setHandleIn(handleIn.subtract(segment._point));
- if (i < n) {
- segment.setHandleOut(
- new Point(x[i], y[i]).subtract(segment._point));
- handleIn = i < n - 1
- ? new Point(
- 2 * knots[i + 1]._x - x[i + 1],
- 2 * knots[i + 1]._y - y[i + 1])
- : new Point(
- (knots[n]._x + x[n - 1]) / 2,
- (knots[n]._y + y[n - 1]) / 2);
- }
- }
- if (closed && handleIn) {
- var segment = this._segments[0];
- segment.setHandleIn(handleIn.subtract(segment._point));
- }
- }
- };
-}, new function() {
- function getCurrentSegment(that) {
- var segments = that._segments;
- if (segments.length === 0)
- throw new Error('Use a moveTo() command first');
- return segments[segments.length - 1];
- }
-
- return {
- moveTo: function() {
- var segments = this._segments;
- if (segments.length === 1)
- this.removeSegment(0);
- if (!segments.length)
- this._add([ new Segment(Point.read(arguments)) ]);
- },
-
- moveBy: function() {
- throw new Error('moveBy() is unsupported on Path items.');
- },
-
- lineTo: function() {
- this._add([ new Segment(Point.read(arguments)) ]);
- },
-
- cubicCurveTo: function() {
- var handle1 = Point.read(arguments),
- handle2 = Point.read(arguments),
- to = Point.read(arguments),
- current = getCurrentSegment(this);
- current.setHandleOut(handle1.subtract(current._point));
- this._add([ new Segment(to, handle2.subtract(to)) ]);
- },
-
- quadraticCurveTo: function() {
- var handle = Point.read(arguments),
- to = Point.read(arguments),
- current = getCurrentSegment(this)._point;
- this.cubicCurveTo(
- handle.add(current.subtract(handle).multiply(1 / 3)),
- handle.add(to.subtract(handle).multiply(1 / 3)),
- to
- );
- },
-
- curveTo: function() {
- var through = Point.read(arguments),
- to = Point.read(arguments),
- t = Base.pick(Base.read(arguments), 0.5),
- t1 = 1 - t,
- current = getCurrentSegment(this)._point,
- handle = through.subtract(current.multiply(t1 * t1))
- .subtract(to.multiply(t * t)).divide(2 * t * t1);
- if (handle.isNaN())
- throw new Error(
- 'Cannot put a curve through points with parameter = ' + t);
- this.quadraticCurveTo(handle, to);
- },
-
- arcTo: function() {
- var current = getCurrentSegment(this),
- from = current._point,
- to = Point.read(arguments),
- through,
- peek = Base.peek(arguments),
- clockwise = Base.pick(peek, true),
- center, extent, vector, matrix;
- if (typeof clockwise === 'boolean') {
- var middle = from.add(to).divide(2),
- through = middle.add(middle.subtract(from).rotate(
- clockwise ? -90 : 90));
- } else if (Base.remain(arguments) <= 2) {
- through = to;
- to = Point.read(arguments);
- } else {
- var radius = Size.read(arguments);
- if (radius.isZero())
- return this.lineTo(to);
- var rotation = Base.read(arguments),
- clockwise = !!Base.read(arguments),
- large = !!Base.read(arguments),
- middle = from.add(to).divide(2),
- pt = from.subtract(middle).rotate(-rotation),
- x = pt.x,
- y = pt.y,
- abs = Math.abs,
- epsilon = 1e-12,
- rx = abs(radius.width),
- ry = abs(radius.height),
- rxSq = rx * rx,
- rySq = ry * ry,
- xSq = x * x,
- ySq = y * y;
- var factor = Math.sqrt(xSq / rxSq + ySq / rySq);
- if (factor > 1) {
- rx *= factor;
- ry *= factor;
- rxSq = rx * rx;
- rySq = ry * ry;
- }
- factor = (rxSq * rySq - rxSq * ySq - rySq * xSq) /
- (rxSq * ySq + rySq * xSq);
- if (abs(factor) < epsilon)
- factor = 0;
- if (factor < 0)
- throw new Error(
- 'Cannot create an arc with the given arguments');
- center = new Point(rx * y / ry, -ry * x / rx)
- .multiply((large === clockwise ? -1 : 1)
- * Math.sqrt(factor))
- .rotate(rotation).add(middle);
- matrix = new Matrix().translate(center).rotate(rotation)
- .scale(rx, ry);
- vector = matrix._inverseTransform(from);
- extent = vector.getDirectedAngle(matrix._inverseTransform(to));
- if (!clockwise && extent > 0)
- extent -= 360;
- else if (clockwise && extent < 0)
- extent += 360;
- }
- if (through) {
- var l1 = new Line(from.add(through).divide(2),
- through.subtract(from).rotate(90), true),
- l2 = new Line(through.add(to).divide(2),
- to.subtract(through).rotate(90), true),
- line = new Line(from, to),
- throughSide = line.getSide(through);
- center = l1.intersect(l2, true);
- if (!center) {
- if (!throughSide)
- return this.lineTo(to);
- throw new Error(
- 'Cannot create an arc with the given arguments');
- }
- vector = from.subtract(center);
- extent = vector.getDirectedAngle(to.subtract(center));
- var centerSide = line.getSide(center);
- if (centerSide === 0) {
- extent = throughSide * Math.abs(extent);
- } else if (throughSide === centerSide) {
- extent += extent < 0 ? 360 : -360;
- }
- }
- var ext = Math.abs(extent),
- count = ext >= 360 ? 4 : Math.ceil(ext / 90),
- inc = extent / count,
- half = inc * Math.PI / 360,
- z = 4 / 3 * Math.sin(half) / (1 + Math.cos(half)),
- segments = [];
- for (var i = 0; i <= count; i++) {
- var pt = to,
- out = null;
- if (i < count) {
- out = vector.rotate(90).multiply(z);
- if (matrix) {
- pt = matrix._transformPoint(vector);
- out = matrix._transformPoint(vector.add(out))
- .subtract(pt);
- } else {
- pt = center.add(vector);
- }
- }
- if (i === 0) {
- current.setHandleOut(out);
- } else {
- var _in = vector.rotate(-90).multiply(z);
- if (matrix) {
- _in = matrix._transformPoint(vector.add(_in))
- .subtract(pt);
- }
- segments.push(new Segment(pt, _in, out));
- }
- vector = vector.rotate(inc);
- }
- this._add(segments);
- },
-
- lineBy: function() {
- var to = Point.read(arguments),
- current = getCurrentSegment(this)._point;
- this.lineTo(current.add(to));
- },
-
- curveBy: function() {
- var through = Point.read(arguments),
- to = Point.read(arguments),
- parameter = Base.read(arguments),
- current = getCurrentSegment(this)._point;
- this.curveTo(current.add(through), current.add(to), parameter);
- },
-
- cubicCurveBy: function() {
- var handle1 = Point.read(arguments),
- handle2 = Point.read(arguments),
- to = Point.read(arguments),
- current = getCurrentSegment(this)._point;
- this.cubicCurveTo(current.add(handle1), current.add(handle2),
- current.add(to));
- },
-
- quadraticCurveBy: function() {
- var handle = Point.read(arguments),
- to = Point.read(arguments),
- current = getCurrentSegment(this)._point;
- this.quadraticCurveTo(current.add(handle), current.add(to));
- },
-
- arcBy: function() {
- var current = getCurrentSegment(this)._point,
- point = current.add(Point.read(arguments)),
- clockwise = Base.pick(Base.peek(arguments), true);
- if (typeof clockwise === 'boolean') {
- this.arcTo(point, clockwise);
- } else {
- this.arcTo(point, current.add(Point.read(arguments)));
- }
- },
-
- closePath: function(join) {
- this.setClosed(true);
- if (join)
- this.join();
- }
- };
-}, {
-
- _getBounds: function(getter, matrix) {
- return Path[getter](this._segments, this._closed, this.getStyle(),
- matrix);
- },
-
-statics: {
- isClockwise: function(segments) {
- var sum = 0;
- for (var i = 0, l = segments.length; i < l; i++)
- sum += Curve.getEdgeSum(Curve.getValues(
- segments[i], segments[i + 1 < l ? i + 1 : 0]));
- return sum > 0;
- },
-
- getBounds: function(segments, closed, style, matrix, strokePadding) {
- var first = segments[0];
- if (!first)
- return new Rectangle();
- var coords = new Array(6),
- prevCoords = first._transformCoordinates(matrix, new Array(6), false),
- min = prevCoords.slice(0, 2),
- max = min.slice(),
- roots = new Array(2);
-
- function processSegment(segment) {
- segment._transformCoordinates(matrix, coords, false);
- for (var i = 0; i < 2; i++) {
- Curve._addBounds(
- prevCoords[i],
- prevCoords[i + 4],
- coords[i + 2],
- coords[i],
- i, strokePadding ? strokePadding[i] : 0, min, max, roots);
- }
- var tmp = prevCoords;
- prevCoords = coords;
- coords = tmp;
- }
-
- for (var i = 1, l = segments.length; i < l; i++)
- processSegment(segments[i]);
- if (closed)
- processSegment(first);
- return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]);
- },
-
- getStrokeBounds: function(segments, closed, style, matrix) {
- if (!style.hasStroke())
- return Path.getBounds(segments, closed, style, matrix);
- var length = segments.length - (closed ? 0 : 1),
- radius = style.getStrokeWidth() / 2,
- padding = Path._getPenPadding(radius, matrix),
- bounds = Path.getBounds(segments, closed, style, matrix, padding),
- join = style.getStrokeJoin(),
- cap = style.getStrokeCap(),
- miterLimit = radius * style.getMiterLimit();
- var joinBounds = new Rectangle(new Size(padding).multiply(2));
-
- function add(point) {
- bounds = bounds.include(matrix
- ? matrix._transformPoint(point, point) : point);
- }
-
- function addRound(segment) {
- bounds = bounds.unite(joinBounds.setCenter(matrix
- ? matrix._transformPoint(segment._point) : segment._point));
- }
-
- function addJoin(segment, join) {
- var handleIn = segment._handleIn,
- handleOut = segment._handleOut;
- if (join === 'round' || !handleIn.isZero() && !handleOut.isZero()
- && handleIn.isCollinear(handleOut)) {
- addRound(segment);
- } else {
- Path._addBevelJoin(segment, join, radius, miterLimit, add);
- }
- }
-
- function addCap(segment, cap) {
- if (cap === 'round') {
- addRound(segment);
- } else {
- Path._addSquareCap(segment, cap, radius, add);
- }
- }
-
- for (var i = 1; i < length; i++)
- addJoin(segments[i], join);
- if (closed) {
- addJoin(segments[0], join);
- } else if (length > 0) {
- addCap(segments[0], cap);
- addCap(segments[segments.length - 1], cap);
- }
- return bounds;
- },
-
- _getPenPadding: function(radius, matrix) {
- if (!matrix)
- return [radius, radius];
- var mx = matrix.shiftless(),
- hor = mx.transform(new Point(radius, 0)),
- ver = mx.transform(new Point(0, radius)),
- phi = hor.getAngleInRadians(),
- a = hor.getLength(),
- b = ver.getLength();
- var sin = Math.sin(phi),
- cos = Math.cos(phi),
- tan = Math.tan(phi),
- tx = -Math.atan(b * tan / a),
- ty = Math.atan(b / (tan * a));
- return [Math.abs(a * Math.cos(tx) * cos - b * Math.sin(tx) * sin),
- Math.abs(b * Math.sin(ty) * cos + a * Math.cos(ty) * sin)];
- },
-
- _addBevelJoin: function(segment, join, radius, miterLimit, addPoint, area) {
- var curve2 = segment.getCurve(),
- curve1 = curve2.getPrevious(),
- point = curve2.getPointAt(0, true),
- normal1 = curve1.getNormalAt(1, true),
- normal2 = curve2.getNormalAt(0, true),
- step = normal1.getDirectedAngle(normal2) < 0 ? -radius : radius;
- normal1.setLength(step);
- normal2.setLength(step);
- if (area) {
- addPoint(point);
- addPoint(point.add(normal1));
- }
- if (join === 'miter') {
- var corner = new Line(
- point.add(normal1),
- new Point(-normal1.y, normal1.x), true
- ).intersect(new Line(
- point.add(normal2),
- new Point(-normal2.y, normal2.x), true
- ), true);
- if (corner && point.getDistance(corner) <= miterLimit) {
- addPoint(corner);
- if (!area)
- return;
- }
- }
- if (!area)
- addPoint(point.add(normal1));
- addPoint(point.add(normal2));
- },
-
- _addSquareCap: function(segment, cap, radius, addPoint, area) {
- var point = segment._point,
- loc = segment.getLocation(),
- normal = loc.getNormal().multiply(radius);
- if (area) {
- addPoint(point.subtract(normal));
- addPoint(point.add(normal));
- }
- if (cap === 'square')
- point = point.add(normal.rotate(loc.getParameter() === 0 ? -90 : 90));
- addPoint(point.add(normal));
- addPoint(point.subtract(normal));
- },
-
- getHandleBounds: function(segments, closed, style, matrix, strokePadding,
- joinPadding) {
- var coords = new Array(6),
- x1 = Infinity,
- x2 = -x1,
- y1 = x1,
- y2 = x2;
- for (var i = 0, l = segments.length; i < l; i++) {
- var segment = segments[i];
- segment._transformCoordinates(matrix, coords, false);
- for (var j = 0; j < 6; j += 2) {
- var padding = j === 0 ? joinPadding : strokePadding,
- paddingX = padding ? padding[0] : 0,
- paddingY = padding ? padding[1] : 0,
- x = coords[j],
- y = coords[j + 1],
- xn = x - paddingX,
- xx = x + paddingX,
- yn = y - paddingY,
- yx = y + paddingY;
- if (xn < x1) x1 = xn;
- if (xx > x2) x2 = xx;
- if (yn < y1) y1 = yn;
- if (yx > y2) y2 = yx;
- }
- }
- return new Rectangle(x1, y1, x2 - x1, y2 - y1);
- },
-
- getRoughBounds: function(segments, closed, style, matrix) {
- var strokeRadius = style.hasStroke() ? style.getStrokeWidth() / 2 : 0,
- joinRadius = strokeRadius;
- if (strokeRadius > 0) {
- if (style.getStrokeJoin() === 'miter')
- joinRadius = strokeRadius * style.getMiterLimit();
- if (style.getStrokeCap() === 'square')
- joinRadius = Math.max(joinRadius, strokeRadius * Math.sqrt(2));
- }
- return Path.getHandleBounds(segments, closed, style, matrix,
- Path._getPenPadding(strokeRadius, matrix),
- Path._getPenPadding(joinRadius, matrix));
- }
-}});
-
-Path.inject({ statics: new function() {
-
- var kappa = 0.5522847498307936,
- ellipseSegments = [
- new Segment([-1, 0], [0, kappa ], [0, -kappa]),
- new Segment([0, -1], [-kappa, 0], [kappa, 0 ]),
- new Segment([1, 0], [0, -kappa], [0, kappa ]),
- new Segment([0, 1], [kappa, 0 ], [-kappa, 0])
- ];
-
- function createPath(segments, closed, args) {
- var props = Base.getNamed(args),
- path = new Path(props && props.insert === false && Item.NO_INSERT);
- path._add(segments);
- path._closed = closed;
- return path.set(props);
- }
-
- function createEllipse(center, radius, args) {
- var segments = new Array(4);
- for (var i = 0; i < 4; i++) {
- var segment = ellipseSegments[i];
- segments[i] = new Segment(
- segment._point.multiply(radius).add(center),
- segment._handleIn.multiply(radius),
- segment._handleOut.multiply(radius)
- );
- }
- return createPath(segments, true, args);
- }
-
- return {
- Line: function() {
- return createPath([
- new Segment(Point.readNamed(arguments, 'from')),
- new Segment(Point.readNamed(arguments, 'to'))
- ], false, arguments);
- },
-
- Circle: function() {
- var center = Point.readNamed(arguments, 'center'),
- radius = Base.readNamed(arguments, 'radius');
- return createEllipse(center, new Size(radius), arguments);
- },
-
- Rectangle: function() {
- var rect = Rectangle.readNamed(arguments, 'rectangle'),
- radius = Size.readNamed(arguments, 'radius', 0,
- { readNull: true }),
- bl = rect.getBottomLeft(true),
- tl = rect.getTopLeft(true),
- tr = rect.getTopRight(true),
- br = rect.getBottomRight(true),
- segments;
- if (!radius || radius.isZero()) {
- segments = [
- new Segment(bl),
- new Segment(tl),
- new Segment(tr),
- new Segment(br)
- ];
- } else {
- radius = Size.min(radius, rect.getSize(true).divide(2));
- var rx = radius.width,
- ry = radius.height,
- hx = rx * kappa,
- hy = ry * kappa;
- segments = [
- new Segment(bl.add(rx, 0), null, [-hx, 0]),
- new Segment(bl.subtract(0, ry), [0, hy]),
- new Segment(tl.add(0, ry), null, [0, -hy]),
- new Segment(tl.add(rx, 0), [-hx, 0], null),
- new Segment(tr.subtract(rx, 0), null, [hx, 0]),
- new Segment(tr.add(0, ry), [0, -hy], null),
- new Segment(br.subtract(0, ry), null, [0, hy]),
- new Segment(br.subtract(rx, 0), [hx, 0])
- ];
- }
- return createPath(segments, true, arguments);
- },
-
- RoundRectangle: '#Rectangle',
-
- Ellipse: function() {
- var ellipse = Shape._readEllipse(arguments);
- return createEllipse(ellipse.center, ellipse.radius, arguments);
- },
-
- Oval: '#Ellipse',
-
- Arc: function() {
- var from = Point.readNamed(arguments, 'from'),
- through = Point.readNamed(arguments, 'through'),
- to = Point.readNamed(arguments, 'to'),
- props = Base.getNamed(arguments),
- path = new Path(props && props.insert === false
- && Item.NO_INSERT);
- path.moveTo(from);
- path.arcTo(through, to);
- return path.set(props);
- },
-
- RegularPolygon: function() {
- var center = Point.readNamed(arguments, 'center'),
- sides = Base.readNamed(arguments, 'sides'),
- radius = Base.readNamed(arguments, 'radius'),
- step = 360 / sides,
- three = !(sides % 3),
- vector = new Point(0, three ? -radius : radius),
- offset = three ? -1 : 0.5,
- segments = new Array(sides);
- for (var i = 0; i < sides; i++)
- segments[i] = new Segment(center.add(
- vector.rotate((i + offset) * step)));
- return createPath(segments, true, arguments);
- },
-
- Star: function() {
- var center = Point.readNamed(arguments, 'center'),
- points = Base.readNamed(arguments, 'points') * 2,
- radius1 = Base.readNamed(arguments, 'radius1'),
- radius2 = Base.readNamed(arguments, 'radius2'),
- step = 360 / points,
- vector = new Point(0, -1),
- segments = new Array(points);
- for (var i = 0; i < points; i++)
- segments[i] = new Segment(center.add(vector.rotate(step * i)
- .multiply(i % 2 ? radius2 : radius1)));
- return createPath(segments, true, arguments);
- }
- };
-}});
-
-var CompoundPath = PathItem.extend({
- _class: 'CompoundPath',
- _serializeFields: {
- children: []
- },
-
- initialize: function CompoundPath(arg) {
- this._children = [];
- this._namedChildren = {};
- if (!this._initialize(arg)) {
- if (typeof arg === 'string') {
- this.setPathData(arg);
- } else {
- this.addChildren(Array.isArray(arg) ? arg : arguments);
- }
- }
- },
-
- insertChildren: function insertChildren(index, items, _preserve) {
- items = insertChildren.base.call(this, index, items, _preserve, Path);
- for (var i = 0, l = !_preserve && items && items.length; i < l; i++) {
- var item = items[i];
- if (item._clockwise === undefined)
- item.setClockwise(item._index === 0);
- }
- return items;
- },
-
- reverse: function() {
- var children = this._children;
- for (var i = 0, l = children.length; i < l; i++)
- children[i].reverse();
- },
-
- smooth: function() {
- for (var i = 0, l = this._children.length; i < l; i++)
- this._children[i].smooth();
- },
-
- reduce: function reduce() {
- if (this._children.length === 0) {
- var path = new Path(Item.NO_INSERT);
- path.insertAbove(this);
- path.setStyle(this._style);
- this.remove();
- return path;
- } else {
- return reduce.base.call(this);
- }
- },
-
- isClockwise: function() {
- var child = this.getFirstChild();
- return child && child.isClockwise();
- },
-
- setClockwise: function(clockwise) {
- if (this.isClockwise() !== !!clockwise)
- this.reverse();
- },
-
- getFirstSegment: function() {
- var first = this.getFirstChild();
- return first && first.getFirstSegment();
- },
-
- getLastSegment: function() {
- var last = this.getLastChild();
- return last && last.getLastSegment();
- },
-
- getCurves: function() {
- var children = this._children,
- curves = [];
- for (var i = 0, l = children.length; i < l; i++)
- curves.push.apply(curves, children[i].getCurves());
- return curves;
- },
-
- getFirstCurve: function() {
- var first = this.getFirstChild();
- return first && first.getFirstCurve();
- },
-
- getLastCurve: function() {
- var last = this.getLastChild();
- return last && last.getFirstCurve();
- },
-
- getArea: function() {
- var children = this._children,
- area = 0;
- for (var i = 0, l = children.length; i < l; i++)
- area += children[i].getArea();
- return area;
- }
-}, {
- beans: true,
-
- getPathData: function(_matrix, _precision) {
- var children = this._children,
- paths = [];
- for (var i = 0, l = children.length; i < l; i++) {
- var child = children[i],
- mx = child._matrix;
- paths.push(child.getPathData(_matrix && !mx.isIdentity()
- ? _matrix.chain(mx) : mx, _precision));
- }
- return paths.join(' ');
- }
-}, {
- _getChildHitTestOptions: function(options) {
- return options.class === Path || options.type === 'path'
- ? options
- : new Base(options, { fill: false });
- },
-
- _draw: function(ctx, param, strokeMatrix) {
- var children = this._children;
- if (children.length === 0)
- return;
-
- if (this._currentPath) {
- ctx.currentPath = this._currentPath;
- } else {
- param = param.extend({ dontStart: true, dontFinish: true });
- ctx.beginPath();
- for (var i = 0, l = children.length; i < l; i++)
- children[i].draw(ctx, param, strokeMatrix);
- this._currentPath = ctx.currentPath;
- }
-
- if (!param.clip) {
- this._setStyles(ctx);
- var style = this._style;
- if (style.hasFill()) {
- ctx.fill(style.getWindingRule());
- ctx.shadowColor = 'rgba(0,0,0,0)';
- }
- if (style.hasStroke())
- ctx.stroke();
- }
- },
-
- _drawSelected: function(ctx, matrix, selectedItems) {
- var children = this._children;
- for (var i = 0, l = children.length; i < l; i++) {
- var child = children[i],
- mx = child._matrix;
- if (!selectedItems[child._id])
- child._drawSelected(ctx, mx.isIdentity() ? matrix
- : matrix.chain(mx));
- }
- }
-}, new function() {
- function getCurrentPath(that, check) {
- var children = that._children;
- if (check && children.length === 0)
- throw new Error('Use a moveTo() command first');
- return children[children.length - 1];
- }
-
- var fields = {
- moveTo: function() {
- var current = getCurrentPath(this),
- path = current && current.isEmpty() ? current : new Path();
- if (path !== current)
- this.addChild(path);
- path.moveTo.apply(path, arguments);
- },
-
- moveBy: function() {
- var current = getCurrentPath(this, true),
- last = current && current.getLastSegment(),
- point = Point.read(arguments);
- this.moveTo(last ? point.add(last._point) : point);
- },
-
- closePath: function(join) {
- getCurrentPath(this, true).closePath(join);
- }
- };
-
- Base.each(['lineTo', 'cubicCurveTo', 'quadraticCurveTo', 'curveTo', 'arcTo',
- 'lineBy', 'cubicCurveBy', 'quadraticCurveBy', 'curveBy', 'arcBy'],
- function(key) {
- fields[key] = function() {
- var path = getCurrentPath(this, true);
- path[key].apply(path, arguments);
- };
- }
- );
-
- return fields;
-});
-
-PathItem.inject(new function() {
- var operators = {
- unite: function(w) {
- return w === 1 || w === 0;
- },
-
- intersect: function(w) {
- return w === 2;
- },
-
- subtract: function(w) {
- return w === 1;
- },
-
- exclude: function(w) {
- return w === 1;
- }
- };
-
- function computeBoolean(path1, path2, operation) {
- var operator = operators[operation];
- function preparePath(path) {
- return path.clone(false).reduce().reorient().transform(null, true,
- true);
- }
-
- var _path1 = preparePath(path1),
- _path2 = path2 && path1 !== path2 && preparePath(path2);
- if (_path2 && /^(subtract|exclude)$/.test(operation)
- ^ (_path2.isClockwise() !== _path1.isClockwise()))
- _path2.reverse();
- splitPath(_path1.getIntersections(_path2, null, true));
-
- var chain = [],
- segments = [],
- monoCurves = [],
- tolerance = 0.000001;
-
- function collect(paths) {
- for (var i = 0, l = paths.length; i < l; i++) {
- var path = paths[i];
- segments.push.apply(segments, path._segments);
- monoCurves.push.apply(monoCurves, path._getMonoCurves());
- }
- }
-
- collect(_path1._children || [_path1]);
- if (_path2)
- collect(_path2._children || [_path2]);
- segments.sort(function(a, b) {
- var _a = a._intersection,
- _b = b._intersection;
- return !_a && !_b || _a && _b ? 0 : _a ? -1 : 1;
- });
- for (var i = 0, l = segments.length; i < l; i++) {
- var segment = segments[i];
- if (segment._winding != null)
- continue;
- chain.length = 0;
- var startSeg = segment,
- totalLength = 0,
- windingSum = 0;
- do {
- var length = segment.getCurve().getLength();
- chain.push({ segment: segment, length: length });
- totalLength += length;
- segment = segment.getNext();
- } while (segment && !segment._intersection && segment !== startSeg);
- for (var j = 0; j < 3; j++) {
- var length = totalLength * (j + 1) / 4;
- for (var k = 0, m = chain.length; k < m; k++) {
- var node = chain[k],
- curveLength = node.length;
- if (length <= curveLength) {
- if (length < tolerance
- || curveLength - length < tolerance)
- length = curveLength / 2;
- var curve = node.segment.getCurve(),
- pt = curve.getPointAt(length),
- hor = curve.isLinear() && Math.abs(curve
- .getTangentAt(0.5, true).y) < tolerance,
- path = curve._path;
- if (path._parent instanceof CompoundPath)
- path = path._parent;
- windingSum += operation === 'subtract' && _path2
- && (path === _path1 && _path2._getWinding(pt, hor)
- || path === _path2 && !_path1._getWinding(pt, hor))
- ? 0
- : getWinding(pt, monoCurves, hor);
- break;
- }
- length -= curveLength;
- }
- }
- var winding = Math.round(windingSum / 3);
- for (var j = chain.length - 1; j >= 0; j--)
- chain[j].segment._winding = winding;
- }
- var result = new CompoundPath(Item.NO_INSERT);
- result.insertAbove(path1);
- result.addChildren(tracePaths(segments, operator), true);
- result = result.reduce();
- result.setStyle(path1._style);
- return result;
- }
-
- function splitPath(intersections) {
- var tMin = 0.000001,
- tMax = 1 - tMin,
- linearHandles;
-
- function resetLinear() {
- for (var i = 0, l = linearHandles.length; i < l; i++)
- linearHandles[i].set(0, 0);
- }
-
- for (var i = intersections.length - 1, curve, prev; i >= 0; i--) {
- var loc = intersections[i],
- t = loc._parameter;
- if (prev && prev._curve === loc._curve && prev._parameter > 0) {
- t /= prev._parameter;
- } else {
- curve = loc._curve;
- if (linearHandles)
- resetLinear();
- linearHandles = curve.isLinear() ? [
- curve._segment1._handleOut,
- curve._segment2._handleIn
- ] : null;
- }
- var newCurve,
- segment;
- if (newCurve = curve.divide(t, true, true)) {
- segment = newCurve._segment1;
- curve = newCurve.getPrevious();
- if (linearHandles)
- linearHandles.push(segment._handleOut, segment._handleIn);
- } else {
- segment = t < tMin
- ? curve._segment1
- : t > tMax
- ? curve._segment2
- : curve.getPartLength(0, t) < curve.getPartLength(t, 1)
- ? curve._segment1
- : curve._segment2;
- }
- segment._intersection = loc.getIntersection();
- loc._segment = segment;
- prev = loc;
- }
- if (linearHandles)
- resetLinear();
- }
-
- function getWinding(point, curves, horizontal, testContains) {
- var tolerance = 0.000001,
- tMin = tolerance,
- tMax = 1 - tMin,
- px = point.x,
- py = point.y,
- windLeft = 0,
- windRight = 0,
- roots = [],
- abs = Math.abs;
- if (horizontal) {
- var yTop = -Infinity,
- yBottom = Infinity,
- yBefore = py - tolerance,
- yAfter = py + tolerance;
- for (var i = 0, l = curves.length; i < l; i++) {
- var values = curves[i].values;
- if (Curve.solveCubic(values, 0, px, roots, 0, 1) > 0) {
- for (var j = roots.length - 1; j >= 0; j--) {
- var y = Curve.getPoint(values, roots[j]).y;
- if (y < yBefore && y > yTop) {
- yTop = y;
- } else if (y > yAfter && y < yBottom) {
- yBottom = y;
- }
- }
- }
- }
- yTop = (yTop + py) / 2;
- yBottom = (yBottom + py) / 2;
- if (yTop > -Infinity)
- windLeft = getWinding(new Point(px, yTop), curves);
- if (yBottom < Infinity)
- windRight = getWinding(new Point(px, yBottom), curves);
- } else {
- var xBefore = px - tolerance,
- xAfter = px + tolerance;
- var startCounted = false,
- prevCurve,
- prevT;
- for (var i = 0, l = curves.length; i < l; i++) {
- var curve = curves[i],
- values = curve.values,
- winding = curve.winding;
- if (winding && (winding === 1
- && py >= values[1] && py <= values[7]
- || py >= values[7] && py <= values[1])
- && Curve.solveCubic(values, 1, py, roots, 0, 1) === 1) {
- var t = roots[0];
- if (!(
- t > tMax && startCounted && curve.next !== curves[i + 1]
- || t < tMin && prevT > tMax
- && curve.previous === prevCurve)) {
- var x = Curve.getPoint(values, t).x,
- slope = Curve.getTangent(values, t).y,
- counted = false;
- if (Numerical.isZero(slope) && !Curve.isLinear(values)
- || t < tMin && slope * Curve.getTangent(
- curve.previous.values, 1).y < 0
- || t > tMax && slope * Curve.getTangent(
- curve.next.values, 0).y < 0) {
- if (testContains && x >= xBefore && x <= xAfter) {
- ++windLeft;
- ++windRight;
- counted = true;
- }
- } else if (x <= xBefore) {
- windLeft += winding;
- counted = true;
- } else if (x >= xAfter) {
- windRight += winding;
- counted = true;
- }
- if (curve.previous !== curves[i - 1])
- startCounted = t < tMin && counted;
- }
- prevCurve = curve;
- prevT = t;
- }
- }
- }
- return Math.max(abs(windLeft), abs(windRight));
- }
-
- function tracePaths(segments, operator, selfOp) {
- var paths = [],
- tMin = 0.000001,
- tMax = 1 - tMin;
- for (var i = 0, seg, startSeg, l = segments.length; i < l; i++) {
- seg = startSeg = segments[i];
- if (seg._visited || !operator(seg._winding))
- continue;
- var path = new Path(Item.NO_INSERT),
- inter = seg._intersection,
- startInterSeg = inter && inter._segment,
- added = false,
- dir = 1;
- do {
- var handleIn = dir > 0 ? seg._handleIn : seg._handleOut,
- handleOut = dir > 0 ? seg._handleOut : seg._handleIn,
- interSeg;
- if (added && (!operator(seg._winding) || selfOp)
- && (inter = seg._intersection)
- && (interSeg = inter._segment)
- && interSeg !== startSeg) {
- if (selfOp) {
- seg._visited = interSeg._visited;
- seg = interSeg;
- dir = 1;
- } else {
- var c1 = seg.getCurve();
- if (dir > 0)
- c1 = c1.getPrevious();
- var t1 = c1.getTangentAt(dir < 1 ? tMin : tMax, true),
- c4 = interSeg.getCurve(),
- c3 = c4.getPrevious(),
- t3 = c3.getTangentAt(tMax, true),
- t4 = c4.getTangentAt(tMin, true),
- w3 = t1.cross(t3),
- w4 = t1.cross(t4);
- if (w3 * w4 !== 0) {
- var curve = w3 < w4 ? c3 : c4,
- nextCurve = operator(curve._segment1._winding)
- ? curve
- : w3 < w4 ? c4 : c3,
- nextSeg = nextCurve._segment1;
- dir = nextCurve === c3 ? -1 : 1;
- if (nextSeg._visited && seg._path !== nextSeg._path
- || !operator(nextSeg._winding)) {
- dir = 1;
- } else {
- seg._visited = interSeg._visited;
- seg = interSeg;
- if (nextSeg._visited)
- dir = 1;
- }
- } else {
- dir = 1;
- }
- }
- handleOut = dir > 0 ? seg._handleOut : seg._handleIn;
- }
- path.add(new Segment(seg._point, added && handleIn, handleOut));
- added = true;
- seg._visited = true;
- seg = dir > 0 ? seg.getNext() : seg. getPrevious();
- } while (seg && !seg._visited
- && seg !== startSeg && seg !== startInterSeg
- && (seg._intersection || operator(seg._winding)));
- if (seg && (seg === startSeg || seg === startInterSeg)) {
- path.firstSegment.setHandleIn((seg === startInterSeg
- ? startInterSeg : seg)._handleIn);
- path.setClosed(true);
- } else {
- path.lastSegment._handleOut.set(0, 0);
- }
- if (path._segments.length >
- (path._closed ? path.isLinear() ? 2 : 0 : 1))
- paths.push(path);
- }
- return paths;
- }
-
- return {
- _getWinding: function(point, horizontal, testContains) {
- return getWinding(point, this._getMonoCurves(),
- horizontal, testContains);
- },
-
- unite: function(path) {
- return computeBoolean(this, path, 'unite');
- },
-
- intersect: function(path) {
- return computeBoolean(this, path, 'intersect');
- },
-
- subtract: function(path) {
- return computeBoolean(this, path, 'subtract');
- },
-
- exclude: function(path) {
- return computeBoolean(this, path, 'exclude');
- },
-
- divide: function(path) {
- return new Group([this.subtract(path), this.intersect(path)]);
- }
- };
-});
-
-Path.inject({
- _getMonoCurves: function() {
- var monoCurves = this._monoCurves,
- prevCurve;
-
- function insertCurve(v) {
- var y0 = v[1],
- y1 = v[7],
- curve = {
- values: v,
- winding: y0 === y1
- ? 0
- : y0 > y1
- ? -1
- : 1,
- previous: prevCurve,
- next: null
- };
- if (prevCurve)
- prevCurve.next = curve;
- monoCurves.push(curve);
- prevCurve = curve;
- }
-
- function handleCurve(v) {
- if (Curve.getLength(v) === 0)
- return;
- var y0 = v[1],
- y1 = v[3],
- y2 = v[5],
- y3 = v[7];
- if (Curve.isLinear(v)) {
- insertCurve(v);
- } else {
- var a = 3 * (y1 - y2) - y0 + y3,
- b = 2 * (y0 + y2) - 4 * y1,
- c = y1 - y0,
- tolerance = 0.000001,
- roots = [];
- var count = Numerical.solveQuadratic(a, b, c, roots, tolerance,
- 1 - tolerance);
- if (count === 0) {
- insertCurve(v);
- } else {
- roots.sort();
- var t = roots[0],
- parts = Curve.subdivide(v, t);
- insertCurve(parts[0]);
- if (count > 1) {
- t = (roots[1] - t) / (1 - t);
- parts = Curve.subdivide(parts[1], t);
- insertCurve(parts[0]);
- }
- insertCurve(parts[1]);
- }
- }
- }
-
- if (!monoCurves) {
- monoCurves = this._monoCurves = [];
- var curves = this.getCurves(),
- segments = this._segments;
- for (var i = 0, l = curves.length; i < l; i++)
- handleCurve(curves[i].getValues());
- if (!this._closed && segments.length > 1) {
- var p1 = segments[segments.length - 1]._point,
- p2 = segments[0]._point,
- p1x = p1._x, p1y = p1._y,
- p2x = p2._x, p2y = p2._y;
- handleCurve([p1x, p1y, p1x, p1y, p2x, p2y, p2x, p2y]);
- }
- if (monoCurves.length > 0) {
- var first = monoCurves[0],
- last = monoCurves[monoCurves.length - 1];
- first.previous = last;
- last.next = first;
- }
- }
- return monoCurves;
- },
-
- getInteriorPoint: function() {
- var bounds = this.getBounds(),
- point = bounds.getCenter(true);
- if (!this.contains(point)) {
- var curves = this._getMonoCurves(),
- roots = [],
- y = point.y,
- xIntercepts = [];
- for (var i = 0, l = curves.length; i < l; i++) {
- var values = curves[i].values;
- if ((curves[i].winding === 1
- && y >= values[1] && y <= values[7]
- || y >= values[7] && y <= values[1])
- && Curve.solveCubic(values, 1, y, roots, 0, 1) > 0) {
- for (var j = roots.length - 1; j >= 0; j--)
- xIntercepts.push(Curve.getPoint(values, roots[j]).x);
- }
- if (xIntercepts.length > 1)
- break;
- }
- point.x = (xIntercepts[0] + xIntercepts[1]) / 2;
- }
- return point;
- },
-
- reorient: function() {
- this.setClockwise(true);
- return this;
- }
-});
-
-CompoundPath.inject({
- _getMonoCurves: function() {
- var children = this._children,
- monoCurves = [];
- for (var i = 0, l = children.length; i < l; i++)
- monoCurves.push.apply(monoCurves, children[i]._getMonoCurves());
- return monoCurves;
- },
-
- reorient: function() {
- var children = this.removeChildren().sort(function(a, b) {
- return b.getBounds().getArea() - a.getBounds().getArea();
- });
- if (children.length > 0) {
- this.addChildren(children);
- var clockwise = children[0].isClockwise();
- for (var i = 1, l = children.length; i < l; i++) {
- var point = children[i].getInteriorPoint(),
- counters = 0;
- for (var j = i - 1; j >= 0; j--) {
- if (children[j].contains(point))
- counters++;
- }
- children[i].setClockwise(counters % 2 === 0 && clockwise);
- }
- }
- return this;
- }
-});
-
-var PathIterator = Base.extend({
- _class: 'PathIterator',
-
- initialize: function(path, maxRecursion, tolerance, matrix) {
- var curves = [],
- parts = [],
- length = 0,
- minDifference = 1 / (maxRecursion || 32),
- segments = path._segments,
- segment1 = segments[0],
- segment2;
-
- function addCurve(segment1, segment2) {
- var curve = Curve.getValues(segment1, segment2, matrix);
- curves.push(curve);
- computeParts(curve, segment1._index, 0, 1);
- }
-
- function computeParts(curve, index, minT, maxT) {
- if ((maxT - minT) > minDifference
- && !Curve.isFlatEnough(curve, tolerance || 0.25)) {
- var split = Curve.subdivide(curve),
- halfT = (minT + maxT) / 2;
- computeParts(split[0], index, minT, halfT);
- computeParts(split[1], index, halfT, maxT);
- } else {
- var x = curve[6] - curve[0],
- y = curve[7] - curve[1],
- dist = Math.sqrt(x * x + y * y);
- if (dist > 0.000001) {
- length += dist;
- parts.push({
- offset: length,
- value: maxT,
- index: index
- });
- }
- }
- }
-
- for (var i = 1, l = segments.length; i < l; i++) {
- segment2 = segments[i];
- addCurve(segment1, segment2);
- segment1 = segment2;
- }
- if (path._closed)
- addCurve(segment2, segments[0]);
-
- this.curves = curves;
- this.parts = parts;
- this.length = length;
- this.index = 0;
- },
-
- getParameterAt: function(offset) {
- var i, j = this.index;
- for (;;) {
- i = j;
- if (j == 0 || this.parts[--j].offset < offset)
- break;
- }
- for (var l = this.parts.length; i < l; i++) {
- var part = this.parts[i];
- if (part.offset >= offset) {
- this.index = i;
- var prev = this.parts[i - 1];
- var prevVal = prev && prev.index == part.index ? prev.value : 0,
- prevLen = prev ? prev.offset : 0;
- return {
- value: prevVal + (part.value - prevVal)
- * (offset - prevLen) / (part.offset - prevLen),
- index: part.index
- };
- }
- }
- var part = this.parts[this.parts.length - 1];
- return {
- value: 1,
- index: part.index
- };
- },
-
- drawPart: function(ctx, from, to) {
- from = this.getParameterAt(from);
- to = this.getParameterAt(to);
- for (var i = from.index; i <= to.index; i++) {
- var curve = Curve.getPart(this.curves[i],
- i == from.index ? from.value : 0,
- i == to.index ? to.value : 1);
- if (i == from.index)
- ctx.moveTo(curve[0], curve[1]);
- ctx.bezierCurveTo.apply(ctx, curve.slice(2));
- }
- }
-}, Base.each(Curve.evaluateMethods,
- function(name) {
- this[name + 'At'] = function(offset, weighted) {
- var param = this.getParameterAt(offset);
- return Curve[name](this.curves[param.index], param.value, weighted);
- };
- }, {})
-);
-
-var PathFitter = Base.extend({
- initialize: function(path, error) {
- var points = this.points = [],
- segments = path._segments,
- prev;
- for (var i = 0, l = segments.length; i < l; i++) {
- var point = segments[i].point.clone();
- if (!prev || !prev.equals(point)) {
- points.push(point);
- prev = point;
- }
- }
-
- if (path._closed) {
- this.closed = true;
- points.unshift(points[points.length - 1]);
- points.push(points[1]);
- }
-
- this.error = error;
- },
-
- fit: function() {
- var points = this.points,
- length = points.length,
- segments = this.segments = length > 0
- ? [new Segment(points[0])] : [];
- if (length > 1)
- this.fitCubic(0, length - 1,
- points[1].subtract(points[0]).normalize(),
- points[length - 2].subtract(points[length - 1]).normalize());
-
- if (this.closed) {
- segments.shift();
- segments.pop();
- }
-
- return segments;
- },
-
- fitCubic: function(first, last, tan1, tan2) {
- if (last - first == 1) {
- var pt1 = this.points[first],
- pt2 = this.points[last],
- dist = pt1.getDistance(pt2) / 3;
- this.addCurve([pt1, pt1.add(tan1.normalize(dist)),
- pt2.add(tan2.normalize(dist)), pt2]);
- return;
- }
- var uPrime = this.chordLengthParameterize(first, last),
- maxError = Math.max(this.error, this.error * this.error),
- split,
- parametersInOrder = true;
- for (var i = 0; i <= 4; i++) {
- var curve = this.generateBezier(first, last, uPrime, tan1, tan2);
- var max = this.findMaxError(first, last, curve, uPrime);
- if (max.error < this.error && parametersInOrder) {
- this.addCurve(curve);
- return;
- }
- split = max.index;
- if (max.error >= maxError)
- break;
- parametersInOrder = this.reparameterize(first, last, uPrime, curve);
- maxError = max.error;
- }
- var V1 = this.points[split - 1].subtract(this.points[split]),
- V2 = this.points[split].subtract(this.points[split + 1]),
- tanCenter = V1.add(V2).divide(2).normalize();
- this.fitCubic(first, split, tan1, tanCenter);
- this.fitCubic(split, last, tanCenter.negate(), tan2);
- },
-
- addCurve: function(curve) {
- var prev = this.segments[this.segments.length - 1];
- prev.setHandleOut(curve[1].subtract(curve[0]));
- this.segments.push(
- new Segment(curve[3], curve[2].subtract(curve[3])));
- },
-
- generateBezier: function(first, last, uPrime, tan1, tan2) {
- var epsilon = 1e-12,
- pt1 = this.points[first],
- pt2 = this.points[last],
- C = [[0, 0], [0, 0]],
- X = [0, 0];
-
- for (var i = 0, l = last - first + 1; i < l; i++) {
- var u = uPrime[i],
- t = 1 - u,
- b = 3 * u * t,
- b0 = t * t * t,
- b1 = b * t,
- b2 = b * u,
- b3 = u * u * u,
- a1 = tan1.normalize(b1),
- a2 = tan2.normalize(b2),
- tmp = this.points[first + i]
- .subtract(pt1.multiply(b0 + b1))
- .subtract(pt2.multiply(b2 + b3));
- C[0][0] += a1.dot(a1);
- C[0][1] += a1.dot(a2);
- C[1][0] = C[0][1];
- C[1][1] += a2.dot(a2);
- X[0] += a1.dot(tmp);
- X[1] += a2.dot(tmp);
- }
-
- var detC0C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1],
- alpha1, alpha2;
- if (Math.abs(detC0C1) > epsilon) {
- var detC0X = C[0][0] * X[1] - C[1][0] * X[0],
- detXC1 = X[0] * C[1][1] - X[1] * C[0][1];
- alpha1 = detXC1 / detC0C1;
- alpha2 = detC0X / detC0C1;
- } else {
- var c0 = C[0][0] + C[0][1],
- c1 = C[1][0] + C[1][1];
- if (Math.abs(c0) > epsilon) {
- alpha1 = alpha2 = X[0] / c0;
- } else if (Math.abs(c1) > epsilon) {
- alpha1 = alpha2 = X[1] / c1;
- } else {
- alpha1 = alpha2 = 0;
- }
- }
-
- var segLength = pt2.getDistance(pt1),
- eps = epsilon * segLength,
- handle1,
- handle2;
- if (alpha1 < eps || alpha2 < eps) {
- alpha1 = alpha2 = segLength / 3;
- } else {
- var line = pt2.subtract(pt1);
- handle1 = tan1.normalize(alpha1);
- handle2 = tan2.normalize(alpha2);
- if (handle1.dot(line) - handle2.dot(line) > segLength * segLength) {
- alpha1 = alpha2 = segLength / 3;
- handle1 = handle2 = null;
- }
- }
-
- return [pt1, pt1.add(handle1 || tan1.normalize(alpha1)),
- pt2.add(handle2 || tan2.normalize(alpha2)), pt2];
- },
-
- reparameterize: function(first, last, u, curve) {
- for (var i = first; i <= last; i++) {
- u[i - first] = this.findRoot(curve, this.points[i], u[i - first]);
- }
- for (var i = 1, l = u.length; i < l; i++) {
- if (u[i] <= u[i - 1])
- return false;
- }
- return true;
- },
-
- findRoot: function(curve, point, u) {
- var curve1 = [],
- curve2 = [];
- for (var i = 0; i <= 2; i++) {
- curve1[i] = curve[i + 1].subtract(curve[i]).multiply(3);
- }
- for (var i = 0; i <= 1; i++) {
- curve2[i] = curve1[i + 1].subtract(curve1[i]).multiply(2);
- }
- var pt = this.evaluate(3, curve, u),
- pt1 = this.evaluate(2, curve1, u),
- pt2 = this.evaluate(1, curve2, u),
- diff = pt.subtract(point),
- df = pt1.dot(pt1) + diff.dot(pt2);
- if (Math.abs(df) < 0.000001)
- return u;
- return u - diff.dot(pt1) / df;
- },
-
- evaluate: function(degree, curve, t) {
- var tmp = curve.slice();
- for (var i = 1; i <= degree; i++) {
- for (var j = 0; j <= degree - i; j++) {
- tmp[j] = tmp[j].multiply(1 - t).add(tmp[j + 1].multiply(t));
- }
- }
- return tmp[0];
- },
-
- chordLengthParameterize: function(first, last) {
- var u = [0];
- for (var i = first + 1; i <= last; i++) {
- u[i - first] = u[i - first - 1]
- + this.points[i].getDistance(this.points[i - 1]);
- }
- for (var i = 1, m = last - first; i <= m; i++) {
- u[i] /= u[m];
- }
- return u;
- },
-
- findMaxError: function(first, last, curve, u) {
- var index = Math.floor((last - first + 1) / 2),
- maxDist = 0;
- for (var i = first + 1; i < last; i++) {
- var P = this.evaluate(3, curve, u[i - first]);
- var v = P.subtract(this.points[i]);
- var dist = v.x * v.x + v.y * v.y;
- if (dist >= maxDist) {
- maxDist = dist;
- index = i;
- }
- }
- return {
- error: maxDist,
- index: index
- };
- }
-});
-
-var TextItem = Item.extend({
- _class: 'TextItem',
- _boundsSelected: true,
- _applyMatrix: false,
- _canApplyMatrix: false,
- _serializeFields: {
- content: null
- },
- _boundsGetter: 'getBounds',
-
- initialize: function TextItem(arg) {
- this._content = '';
- this._lines = [];
- var hasProps = arg && Base.isPlainObject(arg)
- && arg.x === undefined && arg.y === undefined;
- this._initialize(hasProps && arg, !hasProps && Point.read(arguments));
- },
-
- _equals: function(item) {
- return this._content === item._content;
- },
-
- _clone: function _clone(copy, insert, includeMatrix) {
- copy.setContent(this._content);
- return _clone.base.call(this, copy, insert, includeMatrix);
- },
-
- getContent: function() {
- return this._content;
- },
-
- setContent: function(content) {
- this._content = '' + content;
- this._lines = this._content.split(/\r\n|\n|\r/mg);
- this._changed(265);
- },
-
- isEmpty: function() {
- return !this._content;
- },
-
- getCharacterStyle: '#getStyle',
- setCharacterStyle: '#setStyle',
-
- getParagraphStyle: '#getStyle',
- setParagraphStyle: '#setStyle'
-});
-
-var PointText = TextItem.extend({
- _class: 'PointText',
-
- initialize: function PointText() {
- TextItem.apply(this, arguments);
- },
-
- clone: function(insert) {
- return this._clone(new PointText(Item.NO_INSERT), insert);
- },
-
- getPoint: function() {
- var point = this._matrix.getTranslation();
- return new LinkedPoint(point.x, point.y, this, 'setPoint');
- },
-
- setPoint: function() {
- var point = Point.read(arguments);
- this.translate(point.subtract(this._matrix.getTranslation()));
- },
-
- _draw: function(ctx) {
- if (!this._content)
- return;
- this._setStyles(ctx);
- var style = this._style,
- lines = this._lines,
- leading = style.getLeading(),
- shadowColor = ctx.shadowColor;
- ctx.font = style.getFontStyle();
- ctx.textAlign = style.getJustification();
- for (var i = 0, l = lines.length; i < l; i++) {
- ctx.shadowColor = shadowColor;
- var line = lines[i];
- if (style.hasFill()) {
- ctx.fillText(line, 0, 0);
- ctx.shadowColor = 'rgba(0,0,0,0)';
- }
- if (style.hasStroke())
- ctx.strokeText(line, 0, 0);
- ctx.translate(0, leading);
- }
- },
-
- _getBounds: function(getter, matrix) {
- var style = this._style,
- lines = this._lines,
- numLines = lines.length,
- justification = style.getJustification(),
- leading = style.getLeading(),
- width = this.getView().getTextWidth(style.getFontStyle(), lines),
- x = 0;
- if (justification !== 'left')
- x -= width / (justification === 'center' ? 2: 1);
- var bounds = new Rectangle(x,
- numLines ? - 0.75 * leading : 0,
- width, numLines * leading);
- return matrix ? matrix._transformBounds(bounds, bounds) : bounds;
- }
-});
-
-var Color = Base.extend(new function() {
- var types = {
- gray: ['gray'],
- rgb: ['red', 'green', 'blue'],
- hsb: ['hue', 'saturation', 'brightness'],
- hsl: ['hue', 'saturation', 'lightness'],
- gradient: ['gradient', 'origin', 'destination', 'highlight']
- };
-
- var componentParsers = {},
- colorCache = {},
- colorCtx;
-
- function fromCSS(string) {
- var match = string.match(/^#(\w{1,2})(\w{1,2})(\w{1,2})$/),
- components;
- if (match) {
- components = [0, 0, 0];
- for (var i = 0; i < 3; i++) {
- var value = match[i + 1];
- components[i] = parseInt(value.length == 1
- ? value + value : value, 16) / 255;
- }
- } else if (match = string.match(/^rgba?\((.*)\)$/)) {
- components = match[1].split(',');
- for (var i = 0, l = components.length; i < l; i++) {
- var value = +components[i];
- components[i] = i < 3 ? value / 255 : value;
- }
- } else {
- var cached = colorCache[string];
- if (!cached) {
- if (!colorCtx) {
- colorCtx = CanvasProvider.getContext(1, 1);
- colorCtx.globalCompositeOperation = 'copy';
- }
- colorCtx.fillStyle = 'rgba(0,0,0,0)';
- colorCtx.fillStyle = string;
- colorCtx.fillRect(0, 0, 1, 1);
- var data = colorCtx.getImageData(0, 0, 1, 1).data;
- cached = colorCache[string] = [
- data[0] / 255,
- data[1] / 255,
- data[2] / 255
- ];
- }
- components = cached.slice();
- }
- return components;
- }
-
- var hsbIndices = [
- [0, 3, 1],
- [2, 0, 1],
- [1, 0, 3],
- [1, 2, 0],
- [3, 1, 0],
- [0, 1, 2]
- ];
-
- var converters = {
- 'rgb-hsb': function(r, g, b) {
- var max = Math.max(r, g, b),
- min = Math.min(r, g, b),
- delta = max - min,
- h = delta === 0 ? 0
- : ( max == r ? (g - b) / delta + (g < b ? 6 : 0)
- : max == g ? (b - r) / delta + 2
- : (r - g) / delta + 4) * 60;
- return [h, max === 0 ? 0 : delta / max, max];
- },
-
- 'hsb-rgb': function(h, s, b) {
- h = (((h / 60) % 6) + 6) % 6;
- var i = Math.floor(h),
- f = h - i,
- i = hsbIndices[i],
- v = [
- b,
- b * (1 - s),
- b * (1 - s * f),
- b * (1 - s * (1 - f))
- ];
- return [v[i[0]], v[i[1]], v[i[2]]];
- },
-
- 'rgb-hsl': function(r, g, b) {
- var max = Math.max(r, g, b),
- min = Math.min(r, g, b),
- delta = max - min,
- achromatic = delta === 0,
- h = achromatic ? 0
- : ( max == r ? (g - b) / delta + (g < b ? 6 : 0)
- : max == g ? (b - r) / delta + 2
- : (r - g) / delta + 4) * 60,
- l = (max + min) / 2,
- s = achromatic ? 0 : l < 0.5
- ? delta / (max + min)
- : delta / (2 - max - min);
- return [h, s, l];
- },
-
- 'hsl-rgb': function(h, s, l) {
- h = (((h / 360) % 1) + 1) % 1;
- if (s === 0)
- return [l, l, l];
- var t3s = [ h + 1 / 3, h, h - 1 / 3 ],
- t2 = l < 0.5 ? l * (1 + s) : l + s - l * s,
- t1 = 2 * l - t2,
- c = [];
- for (var i = 0; i < 3; i++) {
- var t3 = t3s[i];
- if (t3 < 0) t3 += 1;
- if (t3 > 1) t3 -= 1;
- c[i] = 6 * t3 < 1
- ? t1 + (t2 - t1) * 6 * t3
- : 2 * t3 < 1
- ? t2
- : 3 * t3 < 2
- ? t1 + (t2 - t1) * ((2 / 3) - t3) * 6
- : t1;
- }
- return c;
- },
-
- 'rgb-gray': function(r, g, b) {
- return [r * 0.2989 + g * 0.587 + b * 0.114];
- },
-
- 'gray-rgb': function(g) {
- return [g, g, g];
- },
-
- 'gray-hsb': function(g) {
- return [0, 0, g];
- },
-
- 'gray-hsl': function(g) {
- return [0, 0, g];
- },
-
- 'gradient-rgb': function() {
- return [];
- },
-
- 'rgb-gradient': function() {
- return [];
- }
-
- };
-
- return Base.each(types, function(properties, type) {
- componentParsers[type] = [];
- Base.each(properties, function(name, index) {
- var part = Base.capitalize(name),
- hasOverlap = /^(hue|saturation)$/.test(name),
- parser = componentParsers[type][index] = name === 'gradient'
- ? function(value) {
- var current = this._components[0];
- value = Gradient.read(Array.isArray(value) ? value
- : arguments, 0, { readNull: true });
- if (current !== value) {
- if (current)
- current._removeOwner(this);
- if (value)
- value._addOwner(this);
- }
- return value;
- }
- : type === 'gradient'
- ? function() {
- return Point.read(arguments, 0, {
- readNull: name === 'highlight',
- clone: true
- });
- }
- : function(value) {
- return value == null || isNaN(value) ? 0 : value;
- };
-
- this['get' + part] = function() {
- return this._type === type
- || hasOverlap && /^hs[bl]$/.test(this._type)
- ? this._components[index]
- : this._convert(type)[index];
- };
-
- this['set' + part] = function(value) {
- if (this._type !== type
- && !(hasOverlap && /^hs[bl]$/.test(this._type))) {
- this._components = this._convert(type);
- this._properties = types[type];
- this._type = type;
- }
- this._components[index] = parser.call(this, value);
- this._changed();
- };
- }, this);
- }, {
- _class: 'Color',
- _readIndex: true,
-
- initialize: function Color(arg) {
- var slice = Array.prototype.slice,
- args = arguments,
- read = 0,
- type,
- components,
- alpha,
- values;
- if (Array.isArray(arg)) {
- args = arg;
- arg = args[0];
- }
- var argType = arg != null && typeof arg;
- if (argType === 'string' && arg in types) {
- type = arg;
- arg = args[1];
- if (Array.isArray(arg)) {
- components = arg;
- alpha = args[2];
- } else {
- if (this.__read)
- read = 1;
- args = slice.call(args, 1);
- argType = typeof arg;
- }
- }
- if (!components) {
- values = argType === 'number'
- ? args
- : argType === 'object' && arg.length != null
- ? arg
- : null;
- if (values) {
- if (!type)
- type = values.length >= 3
- ? 'rgb'
- : 'gray';
- var length = types[type].length;
- alpha = values[length];
- if (this.__read)
- read += values === arguments
- ? length + (alpha != null ? 1 : 0)
- : 1;
- if (values.length > length)
- values = slice.call(values, 0, length);
- } else if (argType === 'string') {
- type = 'rgb';
- components = fromCSS(arg);
- if (components.length === 4) {
- alpha = components[3];
- components.length--;
- }
- } else if (argType === 'object') {
- if (arg.constructor === Color) {
- type = arg._type;
- components = arg._components.slice();
- alpha = arg._alpha;
- if (type === 'gradient') {
- for (var i = 1, l = components.length; i < l; i++) {
- var point = components[i];
- if (point)
- components[i] = point.clone();
- }
- }
- } else if (arg.constructor === Gradient) {
- type = 'gradient';
- values = args;
- } else {
- type = 'hue' in arg
- ? 'lightness' in arg
- ? 'hsl'
- : 'hsb'
- : 'gradient' in arg || 'stops' in arg
- || 'radial' in arg
- ? 'gradient'
- : 'gray' in arg
- ? 'gray'
- : 'rgb';
- var properties = types[type];
- parsers = componentParsers[type];
- this._components = components = [];
- for (var i = 0, l = properties.length; i < l; i++) {
- var value = arg[properties[i]];
- if (value == null && i === 0 && type === 'gradient'
- && 'stops' in arg) {
- value = {
- stops: arg.stops,
- radial: arg.radial
- };
- }
- value = parsers[i].call(this, value);
- if (value != null)
- components[i] = value;
- }
- alpha = arg.alpha;
- }
- }
- if (this.__read && type)
- read = 1;
- }
- this._type = type || 'rgb';
- this._id = UID.get(Color);
- if (!components) {
- this._components = components = [];
- var parsers = componentParsers[this._type];
- for (var i = 0, l = parsers.length; i < l; i++) {
- var value = parsers[i].call(this, values && values[i]);
- if (value != null)
- components[i] = value;
- }
- }
- this._components = components;
- this._properties = types[this._type];
- this._alpha = alpha;
- if (this.__read)
- this.__read = read;
- },
-
- _serialize: function(options, dictionary) {
- var components = this.getComponents();
- return Base.serialize(
- /^(gray|rgb)$/.test(this._type)
- ? components
- : [this._type].concat(components),
- options, true, dictionary);
- },
-
- _changed: function() {
- this._canvasStyle = null;
- if (this._owner)
- this._owner._changed(65);
- },
-
- _convert: function(type) {
- var converter;
- return this._type === type
- ? this._components.slice()
- : (converter = converters[this._type + '-' + type])
- ? converter.apply(this, this._components)
- : converters['rgb-' + type].apply(this,
- converters[this._type + '-rgb'].apply(this,
- this._components));
- },
-
- convert: function(type) {
- return new Color(type, this._convert(type), this._alpha);
- },
-
- getType: function() {
- return this._type;
- },
-
- setType: function(type) {
- this._components = this._convert(type);
- this._properties = types[type];
- this._type = type;
- },
-
- getComponents: function() {
- var components = this._components.slice();
- if (this._alpha != null)
- components.push(this._alpha);
- return components;
- },
-
- getAlpha: function() {
- return this._alpha != null ? this._alpha : 1;
- },
-
- setAlpha: function(alpha) {
- this._alpha = alpha == null ? null : Math.min(Math.max(alpha, 0), 1);
- this._changed();
- },
-
- hasAlpha: function() {
- return this._alpha != null;
- },
-
- equals: function(color) {
- var col = Base.isPlainValue(color, true)
- ? Color.read(arguments)
- : color;
- return col === this || col && this._class === col._class
- && this._type === col._type
- && this._alpha === col._alpha
- && Base.equals(this._components, col._components)
- || false;
- },
-
- toString: function() {
- var properties = this._properties,
- parts = [],
- isGradient = this._type === 'gradient',
- f = Formatter.instance;
- for (var i = 0, l = properties.length; i < l; i++) {
- var value = this._components[i];
- if (value != null)
- parts.push(properties[i] + ': '
- + (isGradient ? value : f.number(value)));
- }
- if (this._alpha != null)
- parts.push('alpha: ' + f.number(this._alpha));
- return '{ ' + parts.join(', ') + ' }';
- },
-
- toCSS: function(hex) {
- var components = this._convert('rgb'),
- alpha = hex || this._alpha == null ? 1 : this._alpha;
- function convert(val) {
- return Math.round((val < 0 ? 0 : val > 1 ? 1 : val) * 255);
- }
- components = [
- convert(components[0]),
- convert(components[1]),
- convert(components[2])
- ];
- if (alpha < 1)
- components.push(alpha < 0 ? 0 : alpha);
- return hex
- ? '#' + ((1 << 24) + (components[0] << 16)
- + (components[1] << 8)
- + components[2]).toString(16).slice(1)
- : (components.length == 4 ? 'rgba(' : 'rgb(')
- + components.join(',') + ')';
- },
-
- toCanvasStyle: function(ctx) {
- if (this._canvasStyle)
- return this._canvasStyle;
- if (this._type !== 'gradient')
- return this._canvasStyle = this.toCSS();
- var components = this._components,
- gradient = components[0],
- stops = gradient._stops,
- origin = components[1],
- destination = components[2],
- canvasGradient;
- if (gradient._radial) {
- var radius = destination.getDistance(origin),
- highlight = components[3];
- if (highlight) {
- var vector = highlight.subtract(origin);
- if (vector.getLength() > radius)
- highlight = origin.add(vector.normalize(radius - 0.1));
- }
- var start = highlight || origin;
- canvasGradient = ctx.createRadialGradient(start.x, start.y,
- 0, origin.x, origin.y, radius);
- } else {
- canvasGradient = ctx.createLinearGradient(origin.x, origin.y,
- destination.x, destination.y);
- }
- for (var i = 0, l = stops.length; i < l; i++) {
- var stop = stops[i];
- canvasGradient.addColorStop(stop._rampPoint,
- stop._color.toCanvasStyle());
- }
- return this._canvasStyle = canvasGradient;
- },
-
- transform: function(matrix) {
- if (this._type === 'gradient') {
- var components = this._components;
- for (var i = 1, l = components.length; i < l; i++) {
- var point = components[i];
- matrix._transformPoint(point, point, true);
- }
- this._changed();
- }
- },
-
- statics: {
- _types: types,
-
- random: function() {
- var random = Math.random;
- return new Color(random(), random(), random());
- }
- }
- });
-}, new function() {
- var operators = {
- add: function(a, b) {
- return a + b;
- },
-
- subtract: function(a, b) {
- return a - b;
- },
-
- multiply: function(a, b) {
- return a * b;
- },
-
- divide: function(a, b) {
- return a / b;
- }
- };
-
- return Base.each(operators, function(operator, name) {
- this[name] = function(color) {
- color = Color.read(arguments);
- var type = this._type,
- components1 = this._components,
- components2 = color._convert(type);
- for (var i = 0, l = components1.length; i < l; i++)
- components2[i] = operator(components1[i], components2[i]);
- return new Color(type, components2,
- this._alpha != null
- ? operator(this._alpha, color.getAlpha())
- : null);
- };
- }, {
- });
-});
-
-Base.each(Color._types, function(properties, type) {
- var ctor = this[Base.capitalize(type) + 'Color'] = function(arg) {
- var argType = arg != null && typeof arg,
- components = argType === 'object' && arg.length != null
- ? arg
- : argType === 'string'
- ? null
- : arguments;
- return components
- ? new Color(type, components)
- : new Color(arg);
- };
- if (type.length == 3) {
- var acronym = type.toUpperCase();
- Color[acronym] = this[acronym + 'Color'] = ctor;
- }
-}, Base.exports);
-
-var Gradient = Base.extend({
- _class: 'Gradient',
-
- initialize: function Gradient(stops, radial) {
- this._id = UID.get();
- if (stops && this._set(stops))
- stops = radial = null;
- if (!this._stops)
- this.setStops(stops || ['white', 'black']);
- if (this._radial == null)
- this.setRadial(typeof radial === 'string' && radial === 'radial'
- || radial || false);
- },
-
- _serialize: function(options, dictionary) {
- return dictionary.add(this, function() {
- return Base.serialize([this._stops, this._radial],
- options, true, dictionary);
- });
- },
-
- _changed: function() {
- for (var i = 0, l = this._owners && this._owners.length; i < l; i++)
- this._owners[i]._changed();
- },
-
- _addOwner: function(color) {
- if (!this._owners)
- this._owners = [];
- this._owners.push(color);
- },
-
- _removeOwner: function(color) {
- var index = this._owners ? this._owners.indexOf(color) : -1;
- if (index != -1) {
- this._owners.splice(index, 1);
- if (this._owners.length === 0)
- this._owners = undefined;
- }
- },
-
- clone: function() {
- var stops = [];
- for (var i = 0, l = this._stops.length; i < l; i++)
- stops[i] = this._stops[i].clone();
- return new Gradient(stops, this._radial);
- },
-
- getStops: function() {
- return this._stops;
- },
-
- setStops: function(stops) {
- if (this.stops) {
- for (var i = 0, l = this._stops.length; i < l; i++)
- this._stops[i]._owner = undefined;
- }
- if (stops.length < 2)
- throw new Error(
- 'Gradient stop list needs to contain at least two stops.');
- this._stops = GradientStop.readAll(stops, 0, { clone: true });
- for (var i = 0, l = this._stops.length; i < l; i++) {
- var stop = this._stops[i];
- stop._owner = this;
- if (stop._defaultRamp)
- stop.setRampPoint(i / (l - 1));
- }
- this._changed();
- },
-
- getRadial: function() {
- return this._radial;
- },
-
- setRadial: function(radial) {
- this._radial = radial;
- this._changed();
- },
-
- equals: function(gradient) {
- if (gradient === this)
- return true;
- if (gradient && this._class === gradient._class
- && this._stops.length === gradient._stops.length) {
- for (var i = 0, l = this._stops.length; i < l; i++) {
- if (!this._stops[i].equals(gradient._stops[i]))
- return false;
- }
- return true;
- }
- return false;
- }
-});
-
-var GradientStop = Base.extend({
- _class: 'GradientStop',
-
- initialize: function GradientStop(arg0, arg1) {
- if (arg0) {
- var color, rampPoint;
- if (arg1 === undefined && Array.isArray(arg0)) {
- color = arg0[0];
- rampPoint = arg0[1];
- } else if (arg0.color) {
- color = arg0.color;
- rampPoint = arg0.rampPoint;
- } else {
- color = arg0;
- rampPoint = arg1;
- }
- this.setColor(color);
- this.setRampPoint(rampPoint);
- }
- },
-
- clone: function() {
- return new GradientStop(this._color.clone(), this._rampPoint);
- },
-
- _serialize: function(options, dictionary) {
- return Base.serialize([this._color, this._rampPoint], options, true,
- dictionary);
- },
-
- _changed: function() {
- if (this._owner)
- this._owner._changed(65);
- },
-
- getRampPoint: function() {
- return this._rampPoint;
- },
-
- setRampPoint: function(rampPoint) {
- this._defaultRamp = rampPoint == null;
- this._rampPoint = rampPoint || 0;
- this._changed();
- },
-
- getColor: function() {
- return this._color;
- },
-
- setColor: function(color) {
- this._color = Color.read(arguments);
- if (this._color === color)
- this._color = color.clone();
- this._color._owner = this;
- this._changed();
- },
-
- equals: function(stop) {
- return stop === this || stop && this._class === stop._class
- && this._color.equals(stop._color)
- && this._rampPoint == stop._rampPoint
- || false;
- }
-});
-
-var Style = Base.extend(new function() {
- var defaults = {
- fillColor: undefined,
- strokeColor: undefined,
- strokeWidth: 1,
- strokeCap: 'butt',
- strokeJoin: 'miter',
- strokeScaling: true,
- miterLimit: 10,
- dashOffset: 0,
- dashArray: [],
- windingRule: 'nonzero',
- shadowColor: undefined,
- shadowBlur: 0,
- shadowOffset: new Point(),
- selectedColor: undefined,
- fontFamily: 'sans-serif',
- fontWeight: 'normal',
- fontSize: 12,
- font: 'sans-serif',
- leading: null,
- justification: 'left'
- };
-
- var flags = {
- strokeWidth: 97,
- strokeCap: 97,
- strokeJoin: 97,
- strokeScaling: 105,
- miterLimit: 97,
- fontFamily: 9,
- fontWeight: 9,
- fontSize: 9,
- font: 9,
- leading: 9,
- justification: 9
- };
-
- var item = { beans: true },
- fields = {
- _defaults: defaults,
- _textDefaults: new Base(defaults, {
- fillColor: new Color()
- }),
- beans: true
- };
-
- Base.each(defaults, function(value, key) {
- var isColor = /Color$/.test(key),
- isPoint = key === 'shadowOffset',
- part = Base.capitalize(key),
- flag = flags[key],
- set = 'set' + part,
- get = 'get' + part;
-
- fields[set] = function(value) {
- var owner = this._owner,
- children = owner && owner._children;
- if (children && children.length > 0
- && !(owner instanceof CompoundPath)) {
- for (var i = 0, l = children.length; i < l; i++)
- children[i]._style[set](value);
- } else {
- var old = this._values[key];
- if (old !== value) {
- if (isColor) {
- if (old)
- old._owner = undefined;
- if (value && value.constructor === Color) {
- if (value._owner)
- value = value.clone();
- value._owner = owner;
- }
- }
- this._values[key] = value;
- if (owner)
- owner._changed(flag || 65);
- }
- }
- };
-
- fields[get] = function(_dontMerge) {
- var owner = this._owner,
- children = owner && owner._children,
- value;
- if (!children || children.length === 0 || _dontMerge
- || owner instanceof CompoundPath) {
- var value = this._values[key];
- if (value === undefined) {
- value = this._defaults[key];
- if (value && value.clone)
- value = value.clone();
- } else {
- var ctor = isColor ? Color : isPoint ? Point : null;
- if (ctor && !(value && value.constructor === ctor)) {
- this._values[key] = value = ctor.read([value], 0,
- { readNull: true, clone: true });
- if (value && isColor)
- value._owner = owner;
- }
- }
- return value;
- }
- for (var i = 0, l = children.length; i < l; i++) {
- var childValue = children[i]._style[get]();
- if (i === 0) {
- value = childValue;
- } else if (!Base.equals(value, childValue)) {
- return undefined;
- }
- }
- return value;
- };
-
- item[get] = function(_dontMerge) {
- return this._style[get](_dontMerge);
- };
-
- item[set] = function(value) {
- this._style[set](value);
- };
- });
-
- Item.inject(item);
- return fields;
-}, {
- _class: 'Style',
-
- initialize: function Style(style, _owner, _project) {
- this._values = {};
- this._owner = _owner;
- this._project = _owner && _owner._project || _project || paper.project;
- if (_owner instanceof TextItem)
- this._defaults = this._textDefaults;
- if (style)
- this.set(style);
- },
-
- set: function(style) {
- var isStyle = style instanceof Style,
- values = isStyle ? style._values : style;
- if (values) {
- for (var key in values) {
- if (key in this._defaults) {
- var value = values[key];
- this[key] = value && isStyle && value.clone
- ? value.clone() : value;
- }
- }
- }
- },
-
- equals: function(style) {
- return style === this || style && this._class === style._class
- && Base.equals(this._values, style._values)
- || false;
- },
-
- hasFill: function() {
- return !!this.getFillColor();
- },
-
- hasStroke: function() {
- return !!this.getStrokeColor() && this.getStrokeWidth() > 0;
- },
-
- hasShadow: function() {
- return !!this.getShadowColor() && this.getShadowBlur() > 0;
- },
-
- getView: function() {
- return this._project.getView();
- },
-
- getFontStyle: function() {
- var fontSize = this.getFontSize();
- return this.getFontWeight()
- + ' ' + fontSize + (/[a-z]/i.test(fontSize + '') ? ' ' : 'px ')
- + this.getFontFamily();
- },
-
- getFont: '#getFontFamily',
- setFont: '#setFontFamily',
-
- getLeading: function getLeading() {
- var leading = getLeading.base.call(this),
- fontSize = this.getFontSize();
- if (/pt|em|%|px/.test(fontSize))
- fontSize = this.getView().getPixelSize(fontSize);
- return leading != null ? leading : fontSize * 1.2;
- }
-
-});
-
-var DomElement = new function() {
- function handlePrefix(el, name, set, value) {
- var prefixes = ['', 'webkit', 'moz', 'Moz', 'ms', 'o'],
- suffix = name[0].toUpperCase() + name.substring(1);
- for (var i = 0; i < 6; i++) {
- var prefix = prefixes[i],
- key = prefix ? prefix + suffix : name;
- if (key in el) {
- if (set) {
- el[key] = value;
- } else {
- return el[key];
- }
- break;
- }
- }
- }
-
- return {
- getStyles: function(el) {
- var doc = el && el.nodeType !== 9 ? el.ownerDocument : el,
- view = doc && doc.defaultView;
- return view && view.getComputedStyle(el, '');
- },
-
- getBounds: function(el, viewport) {
- var doc = el.ownerDocument,
- body = doc.body,
- html = doc.documentElement,
- rect;
- try {
- rect = el.getBoundingClientRect();
- } catch (e) {
- rect = { left: 0, top: 0, width: 0, height: 0 };
- }
- var x = rect.left - (html.clientLeft || body.clientLeft || 0),
- y = rect.top - (html.clientTop || body.clientTop || 0);
- if (!viewport) {
- var view = doc.defaultView;
- x += view.pageXOffset || html.scrollLeft || body.scrollLeft;
- y += view.pageYOffset || html.scrollTop || body.scrollTop;
- }
- return new Rectangle(x, y, rect.width, rect.height);
- },
-
- getViewportBounds: function(el) {
- var doc = el.ownerDocument,
- view = doc.defaultView,
- html = doc.documentElement;
- return new Rectangle(0, 0,
- view.innerWidth || html.clientWidth,
- view.innerHeight || html.clientHeight
- );
- },
-
- getOffset: function(el, viewport) {
- return DomElement.getBounds(el, viewport).getPoint();
- },
-
- getSize: function(el) {
- return DomElement.getBounds(el, true).getSize();
- },
-
- isInvisible: function(el) {
- return DomElement.getSize(el).equals(new Size(0, 0));
- },
-
- isInView: function(el) {
- return !DomElement.isInvisible(el)
- && DomElement.getViewportBounds(el).intersects(
- DomElement.getBounds(el, true));
- },
-
- getPrefixed: function(el, name) {
- return handlePrefix(el, name);
- },
-
- setPrefixed: function(el, name, value) {
- if (typeof name === 'object') {
- for (var key in name)
- handlePrefix(el, key, true, name[key]);
- } else {
- handlePrefix(el, name, true, value);
- }
- }
- };
-};
-
-var DomEvent = {
- add: function(el, events) {
- for (var type in events) {
- var func = events[type],
- parts = type.split(/[\s,]+/g);
- for (var i = 0, l = parts.length; i < l; i++)
- el.addEventListener(parts[i], func, false);
- }
- },
-
- remove: function(el, events) {
- for (var type in events) {
- var func = events[type],
- parts = type.split(/[\s,]+/g);
- for (var i = 0, l = parts.length; i < l; i++)
- el.removeEventListener(parts[i], func, false);
- }
- },
-
- getPoint: function(event) {
- var pos = event.targetTouches
- ? event.targetTouches.length
- ? event.targetTouches[0]
- : event.changedTouches[0]
- : event;
- return new Point(
- pos.pageX || pos.clientX + document.documentElement.scrollLeft,
- pos.pageY || pos.clientY + document.documentElement.scrollTop
- );
- },
-
- getTarget: function(event) {
- return event.target || event.srcElement;
- },
-
- getRelatedTarget: function(event) {
- return event.relatedTarget || event.toElement;
- },
-
- getOffset: function(event, target) {
- return DomEvent.getPoint(event).subtract(DomElement.getOffset(
- target || DomEvent.getTarget(event)));
- },
-
- stop: function(event) {
- event.stopPropagation();
- event.preventDefault();
- }
-};
-
-DomEvent.requestAnimationFrame = new function() {
- var nativeRequest = DomElement.getPrefixed(window, 'requestAnimationFrame'),
- requested = false,
- callbacks = [],
- focused = true,
- timer;
-
- DomEvent.add(window, {
- focus: function() {
- focused = true;
- },
- blur: function() {
- focused = false;
- }
- });
-
- function handleCallbacks() {
- for (var i = callbacks.length - 1; i >= 0; i--) {
- var entry = callbacks[i],
- func = entry[0],
- el = entry[1];
- if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true'
- || focused) && DomElement.isInView(el)) {
- callbacks.splice(i, 1);
- func();
- }
- }
- if (nativeRequest) {
- if (callbacks.length) {
- nativeRequest(handleCallbacks);
- } else {
- requested = false;
- }
- }
- }
-
- return function(callback, element) {
- callbacks.push([callback, element]);
- if (nativeRequest) {
- if (!requested) {
- nativeRequest(handleCallbacks);
- requested = true;
- }
- } else if (!timer) {
- timer = setInterval(handleCallbacks, 1000 / 60);
- }
- };
-};
-
-var View = Base.extend(Emitter, {
- _class: 'View',
-
- initialize: function View(project, element) {
- this._project = project;
- this._scope = project._scope;
- this._element = element;
- var size;
- if (!this._pixelRatio)
- this._pixelRatio = window.devicePixelRatio || 1;
- this._id = element.getAttribute('id');
- if (this._id == null)
- element.setAttribute('id', this._id = 'view-' + View._id++);
- DomEvent.add(element, this._viewEvents);
- var none = 'none';
- DomElement.setPrefixed(element.style, {
- userSelect: none,
- touchAction: none,
- touchCallout: none,
- contentZooming: none,
- userDrag: none,
- tapHighlightColor: 'rgba(0,0,0,0)'
- });
-
- function getSize(name) {
- return element[name] || parseInt(element.getAttribute(name), 10);
- };
-
- function getCanvasSize() {
- var size = DomElement.getSize(element);
- return size.isNaN() || size.isZero()
- ? new Size(getSize('width'), getSize('height'))
- : size;
- };
-
- if (PaperScope.hasAttribute(element, 'resize')) {
- var that = this;
- DomEvent.add(window, this._windowEvents = {
- resize: function() {
- that.setViewSize(getCanvasSize());
- }
- });
- }
- this._setViewSize(size = getCanvasSize());
- if (PaperScope.hasAttribute(element, 'stats')
- && typeof Stats !== 'undefined') {
- this._stats = new Stats();
- var stats = this._stats.domElement,
- style = stats.style,
- offset = DomElement.getOffset(element);
- style.position = 'absolute';
- style.left = offset.x + 'px';
- style.top = offset.y + 'px';
- document.body.appendChild(stats);
- }
- View._views.push(this);
- View._viewsById[this._id] = this;
- this._viewSize = size;
- (this._matrix = new Matrix())._owner = this;
- this._zoom = 1;
- if (!View._focused)
- View._focused = this;
- this._frameItems = {};
- this._frameItemCount = 0;
- },
-
- remove: function() {
- if (!this._project)
- return false;
- if (View._focused === this)
- View._focused = null;
- View._views.splice(View._views.indexOf(this), 1);
- delete View._viewsById[this._id];
- if (this._project._view === this)
- this._project._view = null;
- DomEvent.remove(this._element, this._viewEvents);
- DomEvent.remove(window, this._windowEvents);
- this._element = this._project = null;
- this.off('frame');
- this._animate = false;
- this._frameItems = {};
- return true;
- },
-
- _events: {
- onFrame: {
- install: function() {
- this.play();
- },
-
- uninstall: function() {
- this.pause();
- }
- },
-
- onResize: {}
- },
-
- _animate: false,
- _time: 0,
- _count: 0,
-
- _requestFrame: function() {
- var that = this;
- DomEvent.requestAnimationFrame(function() {
- that._requested = false;
- if (!that._animate)
- return;
- that._requestFrame();
- that._handleFrame();
- }, this._element);
- this._requested = true;
- },
-
- _handleFrame: function() {
- paper = this._scope;
- var now = Date.now() / 1000,
- delta = this._before ? now - this._before : 0;
- this._before = now;
- this._handlingFrame = true;
- this.emit('frame', new Base({
- delta: delta,
- time: this._time += delta,
- count: this._count++
- }));
- if (this._stats)
- this._stats.update();
- this._handlingFrame = false;
- this.update();
- },
-
- _animateItem: function(item, animate) {
- var items = this._frameItems;
- if (animate) {
- items[item._id] = {
- item: item,
- time: 0,
- count: 0
- };
- if (++this._frameItemCount === 1)
- this.on('frame', this._handleFrameItems);
- } else {
- delete items[item._id];
- if (--this._frameItemCount === 0) {
- this.off('frame', this._handleFrameItems);
- }
- }
- },
-
- _handleFrameItems: function(event) {
- for (var i in this._frameItems) {
- var entry = this._frameItems[i];
- entry.item.emit('frame', new Base(event, {
- time: entry.time += event.delta,
- count: entry.count++
- }));
- }
- },
-
- _update: function() {
- this._project._needsUpdate = true;
- if (this._handlingFrame)
- return;
- if (this._animate) {
- this._handleFrame();
- } else {
- this.update();
- }
- },
-
- _changed: function(flags) {
- if (flags & 1)
- this._project._needsUpdate = true;
- },
-
- _transform: function(matrix) {
- this._matrix.concatenate(matrix);
- this._bounds = null;
- this._update();
- },
-
- getElement: function() {
- return this._element;
- },
-
- getPixelRatio: function() {
- return this._pixelRatio;
- },
-
- getResolution: function() {
- return this._pixelRatio * 72;
- },
-
- getViewSize: function() {
- var size = this._viewSize;
- return new LinkedSize(size.width, size.height, this, 'setViewSize');
- },
-
- setViewSize: function() {
- var size = Size.read(arguments),
- delta = size.subtract(this._viewSize);
- if (delta.isZero())
- return;
- this._viewSize.set(size.width, size.height);
- this._setViewSize(size);
- this._bounds = null;
- this.emit('resize', {
- size: size,
- delta: delta
- });
- this._update();
- },
-
- _setViewSize: function(size) {
- var element = this._element;
- element.width = size.width;
- element.height = size.height;
- },
-
- getBounds: function() {
- if (!this._bounds)
- this._bounds = this._matrix.inverted()._transformBounds(
- new Rectangle(new Point(), this._viewSize));
- return this._bounds;
- },
-
- getSize: function() {
- return this.getBounds().getSize();
- },
-
- getCenter: function() {
- return this.getBounds().getCenter();
- },
-
- setCenter: function() {
- var center = Point.read(arguments);
- this.scrollBy(center.subtract(this.getCenter()));
- },
-
- getZoom: function() {
- return this._zoom;
- },
-
- setZoom: function(zoom) {
- this._transform(new Matrix().scale(zoom / this._zoom,
- this.getCenter()));
- this._zoom = zoom;
- },
-
- isVisible: function() {
- return DomElement.isInView(this._element);
- },
-
- scrollBy: function() {
- this._transform(new Matrix().translate(Point.read(arguments).negate()));
- },
-
- play: function() {
- this._animate = true;
- if (!this._requested)
- this._requestFrame();
- },
-
- pause: function() {
- this._animate = false;
- },
-
- draw: function() {
- this.update();
- },
-
- projectToView: function() {
- return this._matrix._transformPoint(Point.read(arguments));
- },
-
- viewToProject: function() {
- return this._matrix._inverseTransform(Point.read(arguments));
- }
-
-}, {
- statics: {
- _views: [],
- _viewsById: {},
- _id: 0,
-
- create: function(project, element) {
- if (typeof element === 'string')
- element = document.getElementById(element);
- return new CanvasView(project, element);
- }
- }
-}, new function() {
- var tool,
- prevFocus,
- tempFocus,
- dragging = false;
-
- function getView(event) {
- var target = DomEvent.getTarget(event);
- return target.getAttribute && View._viewsById[target.getAttribute('id')];
- }
-
- function viewToProject(view, event) {
- return view.viewToProject(DomEvent.getOffset(event, view._element));
- }
-
- function updateFocus() {
- if (!View._focused || !View._focused.isVisible()) {
- for (var i = 0, l = View._views.length; i < l; i++) {
- var view = View._views[i];
- if (view && view.isVisible()) {
- View._focused = tempFocus = view;
- break;
- }
- }
- }
- }
-
- function handleMouseMove(view, point, event) {
- view._handleEvent('mousemove', point, event);
- var tool = view._scope.tool;
- if (tool) {
- tool._handleEvent(dragging && tool.responds('mousedrag')
- ? 'mousedrag' : 'mousemove', point, event);
- }
- view.update();
- return tool;
- }
-
- var navigator = window.navigator,
- mousedown, mousemove, mouseup;
- if (navigator.pointerEnabled || navigator.msPointerEnabled) {
- mousedown = 'pointerdown MSPointerDown';
- mousemove = 'pointermove MSPointerMove';
- mouseup = 'pointerup pointercancel MSPointerUp MSPointerCancel';
- } else {
- mousedown = 'touchstart';
- mousemove = 'touchmove';
- mouseup = 'touchend touchcancel';
- if (!('ontouchstart' in window && navigator.userAgent.match(
- /mobile|tablet|ip(ad|hone|od)|android|silk/i))) {
- mousedown += ' mousedown';
- mousemove += ' mousemove';
- mouseup += ' mouseup';
- }
- }
-
- var viewEvents = {
- 'selectstart dragstart': function(event) {
- if (dragging)
- event.preventDefault();
- }
- };
-
- var docEvents = {
- mouseout: function(event) {
- var view = View._focused,
- target = DomEvent.getRelatedTarget(event);
- if (view && (!target || target.nodeName === 'HTML'))
- handleMouseMove(view, viewToProject(view, event), event);
- },
-
- scroll: updateFocus
- };
-
- viewEvents[mousedown] = function(event) {
- var view = View._focused = getView(event),
- point = viewToProject(view, event);
- dragging = true;
- view._handleEvent('mousedown', point, event);
- if (tool = view._scope.tool)
- tool._handleEvent('mousedown', point, event);
- view.update();
- };
-
- docEvents[mousemove] = function(event) {
- var view = View._focused;
- if (!dragging) {
- var target = getView(event);
- if (target) {
- if (view !== target)
- handleMouseMove(view, viewToProject(view, event), event);
- prevFocus = view;
- view = View._focused = tempFocus = target;
- } else if (tempFocus && tempFocus === view) {
- view = View._focused = prevFocus;
- updateFocus();
- }
- }
- if (view) {
- var point = viewToProject(view, event);
- if (dragging || view.getBounds().contains(point))
- tool = handleMouseMove(view, point, event);
- }
- };
-
- docEvents[mouseup] = function(event) {
- var view = View._focused;
- if (!view || !dragging)
- return;
- var point = viewToProject(view, event);
- dragging = false;
- view._handleEvent('mouseup', point, event);
- if (tool)
- tool._handleEvent('mouseup', point, event);
- view.update();
- };
-
- DomEvent.add(document, docEvents);
-
- DomEvent.add(window, {
- load: updateFocus
- });
-
- return {
- _viewEvents: viewEvents,
-
- _handleEvent: function() {},
-
- statics: {
- updateFocus: updateFocus
- }
- };
-});
-
-var CanvasView = View.extend({
- _class: 'CanvasView',
-
- initialize: function CanvasView(project, canvas) {
- if (!(canvas instanceof HTMLCanvasElement)) {
- var size = Size.read(arguments, 1);
- if (size.isZero())
- throw new Error(
- 'Cannot create CanvasView with the provided argument: '
- + [].slice.call(arguments, 1));
- canvas = CanvasProvider.getCanvas(size);
- }
- this._context = canvas.getContext('2d');
- this._eventCounters = {};
- this._pixelRatio = 1;
- if (!/^off|false$/.test(PaperScope.getAttribute(canvas, 'hidpi'))) {
- var deviceRatio = window.devicePixelRatio || 1,
- backingStoreRatio = DomElement.getPrefixed(this._context,
- 'backingStorePixelRatio') || 1;
- this._pixelRatio = deviceRatio / backingStoreRatio;
- }
- View.call(this, project, canvas);
- },
-
- _setViewSize: function(size) {
- var element = this._element,
- pixelRatio = this._pixelRatio,
- width = size.width,
- height = size.height;
- element.width = width * pixelRatio;
- element.height = height * pixelRatio;
- if (pixelRatio !== 1) {
- if (!PaperScope.hasAttribute(element, 'resize')) {
- var style = element.style;
- style.width = width + 'px';
- style.height = height + 'px';
- }
- this._context.scale(pixelRatio, pixelRatio);
- }
- },
-
- getPixelSize: function(size) {
- var browser = paper.browser,
- pixels;
- if (browser && browser.firefox) {
- var parent = this._element.parentNode,
- temp = document.createElement('div');
- temp.style.fontSize = size;
- parent.appendChild(temp);
- pixels = parseFloat(DomElement.getStyles(temp).fontSize);
- parent.removeChild(temp);
- } else {
- var ctx = this._context,
- prevFont = ctx.font;
- ctx.font = size + ' serif';
- pixels = parseFloat(ctx.font);
- ctx.font = prevFont;
- }
- return pixels;
- },
-
- getTextWidth: function(font, lines) {
- var ctx = this._context,
- prevFont = ctx.font,
- width = 0;
- ctx.font = font;
- for (var i = 0, l = lines.length; i < l; i++)
- width = Math.max(width, ctx.measureText(lines[i]).width);
- ctx.font = prevFont;
- return width;
- },
-
- update: function(force) {
- var project = this._project;
- if (!project || !force && !project._needsUpdate)
- return false;
- var ctx = this._context,
- size = this._viewSize;
- ctx.clearRect(0, 0, size.width + 1, size.height + 1);
- project.draw(ctx, this._matrix, this._pixelRatio);
- project._needsUpdate = false;
- return true;
- }
-}, new function() {
-
- var downPoint,
- lastPoint,
- overPoint,
- downItem,
- lastItem,
- overItem,
- dragItem,
- dblClick,
- clickTime;
-
- function callEvent(view, type, event, point, target, lastPoint) {
- var item = target,
- mouseEvent;
-
- function call(obj) {
- if (obj.responds(type)) {
- if (!mouseEvent) {
- mouseEvent = new MouseEvent(type, event, point, target,
- lastPoint ? point.subtract(lastPoint) : null);
- }
- if (obj.emit(type, mouseEvent) && mouseEvent.isStopped) {
- event.preventDefault();
- return true;
- }
- }
- }
-
- while (item) {
- if (call(item))
- return true;
- item = item.getParent();
- }
- if (call(view))
- return true;
- return false;
- }
-
- return {
- _handleEvent: function(type, point, event) {
- if (!this._eventCounters[type])
- return;
- var project = this._project,
- hit = project.hitTest(point, {
- tolerance: 0,
- fill: true,
- stroke: true
- }),
- item = hit && hit.item,
- stopped = false;
- switch (type) {
- case 'mousedown':
- stopped = callEvent(this, type, event, point, item);
- dblClick = lastItem == item && (Date.now() - clickTime < 300);
- downItem = lastItem = item;
- downPoint = lastPoint = overPoint = point;
- dragItem = !stopped && item;
- while (dragItem && !dragItem.responds('mousedrag'))
- dragItem = dragItem._parent;
- break;
- case 'mouseup':
- stopped = callEvent(this, type, event, point, item, downPoint);
- if (dragItem) {
- if (lastPoint && !lastPoint.equals(point))
- callEvent(this, 'mousedrag', event, point, dragItem,
- lastPoint);
- if (item !== dragItem) {
- overPoint = point;
- callEvent(this, 'mousemove', event, point, item,
- overPoint);
- }
- }
- if (!stopped && item && item === downItem) {
- clickTime = Date.now();
- callEvent(this, dblClick && downItem.responds('doubleclick')
- ? 'doubleclick' : 'click', event, downPoint, item);
- dblClick = false;
- }
- downItem = dragItem = null;
- break;
- case 'mousemove':
- if (dragItem)
- stopped = callEvent(this, 'mousedrag', event, point,
- dragItem, lastPoint);
- if (!stopped) {
- if (item !== overItem)
- overPoint = point;
- stopped = callEvent(this, type, event, point, item,
- overPoint);
- }
- lastPoint = overPoint = point;
- if (item !== overItem) {
- callEvent(this, 'mouseleave', event, point, overItem);
- overItem = item;
- callEvent(this, 'mouseenter', event, point, item);
- }
- break;
- }
- return stopped;
- }
- };
-});
-
-var Event = Base.extend({
- _class: 'Event',
-
- initialize: function Event(event) {
- this.event = event;
- },
-
- isPrevented: false,
- isStopped: false,
-
- preventDefault: function() {
- this.isPrevented = true;
- this.event.preventDefault();
- },
-
- stopPropagation: function() {
- this.isStopped = true;
- this.event.stopPropagation();
- },
-
- stop: function() {
- this.stopPropagation();
- this.preventDefault();
- },
-
- getModifiers: function() {
- return Key.modifiers;
- }
-});
-
-var KeyEvent = Event.extend({
- _class: 'KeyEvent',
-
- initialize: function KeyEvent(down, key, character, event) {
- Event.call(this, event);
- this.type = down ? 'keydown' : 'keyup';
- this.key = key;
- this.character = character;
- },
-
- toString: function() {
- return "{ type: '" + this.type
- + "', key: '" + this.key
- + "', character: '" + this.character
- + "', modifiers: " + this.getModifiers()
- + " }";
- }
-});
-
-var Key = new function() {
-
- var specialKeys = {
- 8: 'backspace',
- 9: 'tab',
- 13: 'enter',
- 16: 'shift',
- 17: 'control',
- 18: 'option',
- 19: 'pause',
- 20: 'caps-lock',
- 27: 'escape',
- 32: 'space',
- 35: 'end',
- 36: 'home',
- 37: 'left',
- 38: 'up',
- 39: 'right',
- 40: 'down',
- 46: 'delete',
- 91: 'command',
- 93: 'command',
- 224: 'command'
- },
-
- specialChars = {
- 9: true,
- 13: true,
- 32: true
- },
-
- modifiers = new Base({
- shift: false,
- control: false,
- option: false,
- command: false,
- capsLock: false,
- space: false
- }),
-
- charCodeMap = {},
- keyMap = {},
- commandFixMap,
- downCode;
-
- function handleKey(down, keyCode, charCode, event) {
- var character = charCode ? String.fromCharCode(charCode) : '',
- specialKey = specialKeys[keyCode],
- key = specialKey || character.toLowerCase(),
- type = down ? 'keydown' : 'keyup',
- view = View._focused,
- scope = view && view.isVisible() && view._scope,
- tool = scope && scope.tool,
- name;
- keyMap[key] = down;
- if (down) {
- charCodeMap[keyCode] = charCode;
- } else {
- delete charCodeMap[keyCode];
- }
- if (specialKey && (name = Base.camelize(specialKey)) in modifiers) {
- modifiers[name] = down;
- var browser = paper.browser;
- if (name === 'command' && browser && browser.mac) {
- if (down) {
- commandFixMap = {};
- } else {
- for (var code in commandFixMap) {
- if (code in charCodeMap)
- handleKey(false, code, commandFixMap[code], event);
- }
- commandFixMap = null;
- }
- }
- } else if (down && commandFixMap) {
- commandFixMap[keyCode] = charCode;
- }
- if (tool && tool.responds(type)) {
- paper = scope;
- tool.emit(type, new KeyEvent(down, key, character, event));
- if (view)
- view.update();
- }
- }
-
- DomEvent.add(document, {
- keydown: function(event) {
- var code = event.which || event.keyCode;
- if (code in specialKeys || modifiers.command) {
- handleKey(true, code,
- code in specialChars || modifiers.command ? code : 0,
- event);
- } else {
- downCode = code;
- }
- },
-
- keypress: function(event) {
- if (downCode != null) {
- handleKey(true, downCode, event.which || event.keyCode, event);
- downCode = null;
- }
- },
-
- keyup: function(event) {
- var code = event.which || event.keyCode;
- if (code in charCodeMap)
- handleKey(false, code, charCodeMap[code], event);
- }
- });
-
- DomEvent.add(window, {
- blur: function(event) {
- for (var code in charCodeMap)
- handleKey(false, code, charCodeMap[code], event);
- }
- });
-
- return {
- modifiers: modifiers,
-
- isDown: function(key) {
- return !!keyMap[key];
- }
- };
-};
-
-var MouseEvent = Event.extend({
- _class: 'MouseEvent',
-
- initialize: function MouseEvent(type, event, point, target, delta) {
- Event.call(this, event);
- this.type = type;
- this.point = point;
- this.target = target;
- this.delta = delta;
- },
-
- toString: function() {
- return "{ type: '" + this.type
- + "', point: " + this.point
- + ', target: ' + this.target
- + (this.delta ? ', delta: ' + this.delta : '')
- + ', modifiers: ' + this.getModifiers()
- + ' }';
- }
-});
-
-var ToolEvent = Event.extend({
- _class: 'ToolEvent',
- _item: null,
-
- initialize: function ToolEvent(tool, type, event) {
- this.tool = tool;
- this.type = type;
- this.event = event;
- },
-
- _choosePoint: function(point, toolPoint) {
- return point ? point : toolPoint ? toolPoint.clone() : null;
- },
-
- getPoint: function() {
- return this._choosePoint(this._point, this.tool._point);
- },
-
- setPoint: function(point) {
- this._point = point;
- },
-
- getLastPoint: function() {
- return this._choosePoint(this._lastPoint, this.tool._lastPoint);
- },
-
- setLastPoint: function(lastPoint) {
- this._lastPoint = lastPoint;
- },
-
- getDownPoint: function() {
- return this._choosePoint(this._downPoint, this.tool._downPoint);
- },
-
- setDownPoint: function(downPoint) {
- this._downPoint = downPoint;
- },
-
- getMiddlePoint: function() {
- if (!this._middlePoint && this.tool._lastPoint) {
- return this.tool._point.add(this.tool._lastPoint).divide(2);
- }
- return this._middlePoint;
- },
-
- setMiddlePoint: function(middlePoint) {
- this._middlePoint = middlePoint;
- },
-
- getDelta: function() {
- return !this._delta && this.tool._lastPoint
- ? this.tool._point.subtract(this.tool._lastPoint)
- : this._delta;
- },
-
- setDelta: function(delta) {
- this._delta = delta;
- },
-
- getCount: function() {
- return /^mouse(down|up)$/.test(this.type)
- ? this.tool._downCount
- : this.tool._count;
- },
-
- setCount: function(count) {
- this.tool[/^mouse(down|up)$/.test(this.type) ? 'downCount' : 'count']
- = count;
- },
-
- getItem: function() {
- if (!this._item) {
- var result = this.tool._scope.project.hitTest(this.getPoint());
- if (result) {
- var item = result.item,
- parent = item._parent;
- while (/^(Group|CompoundPath)$/.test(parent._class)) {
- item = parent;
- parent = parent._parent;
- }
- this._item = item;
- }
- }
- return this._item;
- },
-
- setItem: function(item) {
- this._item = item;
- },
-
- toString: function() {
- return '{ type: ' + this.type
- + ', point: ' + this.getPoint()
- + ', count: ' + this.getCount()
- + ', modifiers: ' + this.getModifiers()
- + ' }';
- }
-});
-
-var Tool = PaperScopeItem.extend({
- _class: 'Tool',
- _list: 'tools',
- _reference: 'tool',
- _events: [ 'onActivate', 'onDeactivate', 'onEditOptions',
- 'onMouseDown', 'onMouseUp', 'onMouseDrag', 'onMouseMove',
- 'onKeyDown', 'onKeyUp' ],
-
- initialize: function Tool(props) {
- PaperScopeItem.call(this);
- this._firstMove = true;
- this._count = 0;
- this._downCount = 0;
- this._set(props);
- },
-
- getMinDistance: function() {
- return this._minDistance;
- },
-
- setMinDistance: function(minDistance) {
- this._minDistance = minDistance;
- if (minDistance != null && this._maxDistance != null
- && minDistance > this._maxDistance) {
- this._maxDistance = minDistance;
- }
- },
-
- getMaxDistance: function() {
- return this._maxDistance;
- },
-
- setMaxDistance: function(maxDistance) {
- this._maxDistance = maxDistance;
- if (this._minDistance != null && maxDistance != null
- && maxDistance < this._minDistance) {
- this._minDistance = maxDistance;
- }
- },
-
- getFixedDistance: function() {
- return this._minDistance == this._maxDistance
- ? this._minDistance : null;
- },
-
- setFixedDistance: function(distance) {
- this._minDistance = distance;
- this._maxDistance = distance;
- },
-
- _updateEvent: function(type, point, minDistance, maxDistance, start,
- needsChange, matchMaxDistance) {
- if (!start) {
- if (minDistance != null || maxDistance != null) {
- var minDist = minDistance != null ? minDistance : 0,
- vector = point.subtract(this._point),
- distance = vector.getLength();
- if (distance < minDist)
- return false;
- if (maxDistance != null && maxDistance != 0) {
- if (distance > maxDistance) {
- point = this._point.add(vector.normalize(maxDistance));
- } else if (matchMaxDistance) {
- return false;
- }
- }
- }
- if (needsChange && point.equals(this._point))
- return false;
- }
- this._lastPoint = start && type == 'mousemove' ? point : this._point;
- this._point = point;
- switch (type) {
- case 'mousedown':
- this._lastPoint = this._downPoint;
- this._downPoint = this._point;
- this._downCount++;
- break;
- case 'mouseup':
- this._lastPoint = this._downPoint;
- break;
- }
- this._count = start ? 0 : this._count + 1;
- return true;
- },
-
- _fireEvent: function(type, event) {
- var sets = paper.project._removeSets;
- if (sets) {
- if (type === 'mouseup')
- sets.mousedrag = null;
- var set = sets[type];
- if (set) {
- for (var id in set) {
- var item = set[id];
- for (var key in sets) {
- var other = sets[key];
- if (other && other != set)
- delete other[item._id];
- }
- item.remove();
- }
- sets[type] = null;
- }
- }
- return this.responds(type)
- && this.emit(type, new ToolEvent(this, type, event));
- },
-
- _handleEvent: function(type, point, event) {
- paper = this._scope;
- var called = false;
- switch (type) {
- case 'mousedown':
- this._updateEvent(type, point, null, null, true, false, false);
- called = this._fireEvent(type, event);
- break;
- case 'mousedrag':
- var needsChange = false,
- matchMaxDistance = false;
- while (this._updateEvent(type, point, this.minDistance,
- this.maxDistance, false, needsChange, matchMaxDistance)) {
- called = this._fireEvent(type, event) || called;
- needsChange = true;
- matchMaxDistance = true;
- }
- break;
- case 'mouseup':
- if (!point.equals(this._point)
- && this._updateEvent('mousedrag', point, this.minDistance,
- this.maxDistance, false, false, false)) {
- called = this._fireEvent('mousedrag', event);
- }
- this._updateEvent(type, point, null, this.maxDistance, false,
- false, false);
- called = this._fireEvent(type, event) || called;
- this._updateEvent(type, point, null, null, true, false, false);
- this._firstMove = true;
- break;
- case 'mousemove':
- while (this._updateEvent(type, point, this.minDistance,
- this.maxDistance, this._firstMove, true, false)) {
- called = this._fireEvent(type, event) || called;
- this._firstMove = false;
- }
- break;
- }
- if (called)
- event.preventDefault();
- return called;
- }
-
-});
-
-var Http = {
- request: function(method, url, callback, async) {
- async = (async === undefined) ? true : async;
- var xhr = new (window.ActiveXObject || XMLHttpRequest)(
- 'Microsoft.XMLHTTP');
- xhr.open(method.toUpperCase(), url, async);
- if ('overrideMimeType' in xhr)
- xhr.overrideMimeType('text/plain');
- xhr.onreadystatechange = function() {
- if (xhr.readyState === 4) {
- var status = xhr.status;
- if (status === 0 || status === 200) {
- callback.call(xhr, xhr.responseText);
- } else {
- throw new Error('Could not load ' + url + ' (Error '
- + status + ')');
- }
- }
- };
- return xhr.send(null);
- }
-};
-
-var CanvasProvider = {
- canvases: [],
-
- getCanvas: function(width, height) {
- var canvas,
- clear = true;
- if (typeof width === 'object') {
- height = width.height;
- width = width.width;
- }
- if (this.canvases.length) {
- canvas = this.canvases.pop();
- } else {
- canvas = document.createElement('canvas');
- }
- var ctx = canvas.getContext('2d');
- if (canvas.width === width && canvas.height === height) {
- if (clear)
- ctx.clearRect(0, 0, width + 1, height + 1);
- } else {
- canvas.width = width;
- canvas.height = height;
- }
- ctx.save();
- return canvas;
- },
-
- getContext: function(width, height) {
- return this.getCanvas(width, height).getContext('2d');
- },
-
- release: function(obj) {
- var canvas = obj.canvas ? obj.canvas : obj;
- canvas.getContext('2d').restore();
- this.canvases.push(canvas);
- }
-};
-
-var BlendMode = new function() {
- var min = Math.min,
- max = Math.max,
- abs = Math.abs,
- sr, sg, sb, sa,
- br, bg, bb, ba,
- dr, dg, db;
-
- function getLum(r, g, b) {
- return 0.2989 * r + 0.587 * g + 0.114 * b;
- }
-
- function setLum(r, g, b, l) {
- var d = l - getLum(r, g, b);
- dr = r + d;
- dg = g + d;
- db = b + d;
- var l = getLum(dr, dg, db),
- mn = min(dr, dg, db),
- mx = max(dr, dg, db);
- if (mn < 0) {
- var lmn = l - mn;
- dr = l + (dr - l) * l / lmn;
- dg = l + (dg - l) * l / lmn;
- db = l + (db - l) * l / lmn;
- }
- if (mx > 255) {
- var ln = 255 - l,
- mxl = mx - l;
- dr = l + (dr - l) * ln / mxl;
- dg = l + (dg - l) * ln / mxl;
- db = l + (db - l) * ln / mxl;
- }
- }
-
- function getSat(r, g, b) {
- return max(r, g, b) - min(r, g, b);
- }
-
- function setSat(r, g, b, s) {
- var col = [r, g, b],
- mx = max(r, g, b),
- mn = min(r, g, b),
- md;
- mn = mn === r ? 0 : mn === g ? 1 : 2;
- mx = mx === r ? 0 : mx === g ? 1 : 2;
- md = min(mn, mx) === 0 ? max(mn, mx) === 1 ? 2 : 1 : 0;
- if (col[mx] > col[mn]) {
- col[md] = (col[md] - col[mn]) * s / (col[mx] - col[mn]);
- col[mx] = s;
- } else {
- col[md] = col[mx] = 0;
- }
- col[mn] = 0;
- dr = col[0];
- dg = col[1];
- db = col[2];
- }
-
- var modes = {
- multiply: function() {
- dr = br * sr / 255;
- dg = bg * sg / 255;
- db = bb * sb / 255;
- },
-
- screen: function() {
- dr = br + sr - (br * sr / 255);
- dg = bg + sg - (bg * sg / 255);
- db = bb + sb - (bb * sb / 255);
- },
-
- overlay: function() {
- dr = br < 128 ? 2 * br * sr / 255 : 255 - 2 * (255 - br) * (255 - sr) / 255;
- dg = bg < 128 ? 2 * bg * sg / 255 : 255 - 2 * (255 - bg) * (255 - sg) / 255;
- db = bb < 128 ? 2 * bb * sb / 255 : 255 - 2 * (255 - bb) * (255 - sb) / 255;
- },
-
- 'soft-light': function() {
- var t = sr * br / 255;
- dr = t + br * (255 - (255 - br) * (255 - sr) / 255 - t) / 255;
- t = sg * bg / 255;
- dg = t + bg * (255 - (255 - bg) * (255 - sg) / 255 - t) / 255;
- t = sb * bb / 255;
- db = t + bb * (255 - (255 - bb) * (255 - sb) / 255 - t) / 255;
- },
-
- 'hard-light': function() {
- dr = sr < 128 ? 2 * sr * br / 255 : 255 - 2 * (255 - sr) * (255 - br) / 255;
- dg = sg < 128 ? 2 * sg * bg / 255 : 255 - 2 * (255 - sg) * (255 - bg) / 255;
- db = sb < 128 ? 2 * sb * bb / 255 : 255 - 2 * (255 - sb) * (255 - bb) / 255;
- },
-
- 'color-dodge': function() {
- dr = br === 0 ? 0 : sr === 255 ? 255 : min(255, 255 * br / (255 - sr));
- dg = bg === 0 ? 0 : sg === 255 ? 255 : min(255, 255 * bg / (255 - sg));
- db = bb === 0 ? 0 : sb === 255 ? 255 : min(255, 255 * bb / (255 - sb));
- },
-
- 'color-burn': function() {
- dr = br === 255 ? 255 : sr === 0 ? 0 : max(0, 255 - (255 - br) * 255 / sr);
- dg = bg === 255 ? 255 : sg === 0 ? 0 : max(0, 255 - (255 - bg) * 255 / sg);
- db = bb === 255 ? 255 : sb === 0 ? 0 : max(0, 255 - (255 - bb) * 255 / sb);
- },
-
- darken: function() {
- dr = br < sr ? br : sr;
- dg = bg < sg ? bg : sg;
- db = bb < sb ? bb : sb;
- },
-
- lighten: function() {
- dr = br > sr ? br : sr;
- dg = bg > sg ? bg : sg;
- db = bb > sb ? bb : sb;
- },
-
- difference: function() {
- dr = br - sr;
- if (dr < 0)
- dr = -dr;
- dg = bg - sg;
- if (dg < 0)
- dg = -dg;
- db = bb - sb;
- if (db < 0)
- db = -db;
- },
-
- exclusion: function() {
- dr = br + sr * (255 - br - br) / 255;
- dg = bg + sg * (255 - bg - bg) / 255;
- db = bb + sb * (255 - bb - bb) / 255;
- },
-
- hue: function() {
- setSat(sr, sg, sb, getSat(br, bg, bb));
- setLum(dr, dg, db, getLum(br, bg, bb));
- },
-
- saturation: function() {
- setSat(br, bg, bb, getSat(sr, sg, sb));
- setLum(dr, dg, db, getLum(br, bg, bb));
- },
-
- luminosity: function() {
- setLum(br, bg, bb, getLum(sr, sg, sb));
- },
-
- color: function() {
- setLum(sr, sg, sb, getLum(br, bg, bb));
- },
-
- add: function() {
- dr = min(br + sr, 255);
- dg = min(bg + sg, 255);
- db = min(bb + sb, 255);
- },
-
- subtract: function() {
- dr = max(br - sr, 0);
- dg = max(bg - sg, 0);
- db = max(bb - sb, 0);
- },
-
- average: function() {
- dr = (br + sr) / 2;
- dg = (bg + sg) / 2;
- db = (bb + sb) / 2;
- },
-
- negation: function() {
- dr = 255 - abs(255 - sr - br);
- dg = 255 - abs(255 - sg - bg);
- db = 255 - abs(255 - sb - bb);
- }
- };
-
- var nativeModes = this.nativeModes = Base.each([
- 'source-over', 'source-in', 'source-out', 'source-atop',
- 'destination-over', 'destination-in', 'destination-out',
- 'destination-atop', 'lighter', 'darker', 'copy', 'xor'
- ], function(mode) {
- this[mode] = true;
- }, {});
-
- var ctx = CanvasProvider.getContext(1, 1);
- Base.each(modes, function(func, mode) {
- var darken = mode === 'darken',
- ok = false;
- ctx.save();
- try {
- ctx.fillStyle = darken ? '#300' : '#a00';
- ctx.fillRect(0, 0, 1, 1);
- ctx.globalCompositeOperation = mode;
- if (ctx.globalCompositeOperation === mode) {
- ctx.fillStyle = darken ? '#a00' : '#300';
- ctx.fillRect(0, 0, 1, 1);
- ok = ctx.getImageData(0, 0, 1, 1).data[0] !== darken ? 170 : 51;
- }
- } catch (e) {}
- ctx.restore();
- nativeModes[mode] = ok;
- });
- CanvasProvider.release(ctx);
-
- this.process = function(mode, srcContext, dstContext, alpha, offset) {
- var srcCanvas = srcContext.canvas,
- normal = mode === 'normal';
- if (normal || nativeModes[mode]) {
- dstContext.save();
- dstContext.setTransform(1, 0, 0, 1, 0, 0);
- dstContext.globalAlpha = alpha;
- if (!normal)
- dstContext.globalCompositeOperation = mode;
- dstContext.drawImage(srcCanvas, offset.x, offset.y);
- dstContext.restore();
- } else {
- var process = modes[mode];
- if (!process)
- return;
- var dstData = dstContext.getImageData(offset.x, offset.y,
- srcCanvas.width, srcCanvas.height),
- dst = dstData.data,
- src = srcContext.getImageData(0, 0,
- srcCanvas.width, srcCanvas.height).data;
- for (var i = 0, l = dst.length; i < l; i += 4) {
- sr = src[i];
- br = dst[i];
- sg = src[i + 1];
- bg = dst[i + 1];
- sb = src[i + 2];
- bb = dst[i + 2];
- sa = src[i + 3];
- ba = dst[i + 3];
- process();
- var a1 = sa * alpha / 255,
- a2 = 1 - a1;
- dst[i] = a1 * dr + a2 * br;
- dst[i + 1] = a1 * dg + a2 * bg;
- dst[i + 2] = a1 * db + a2 * bb;
- dst[i + 3] = sa * alpha + a2 * ba;
- }
- dstContext.putImageData(dstData, offset.x, offset.y);
- }
- };
-};
-
-var SVGStyles = Base.each({
- fillColor: ['fill', 'color'],
- strokeColor: ['stroke', 'color'],
- strokeWidth: ['stroke-width', 'number'],
- strokeCap: ['stroke-linecap', 'string'],
- strokeJoin: ['stroke-linejoin', 'string'],
- strokeScaling: ['vector-effect', 'lookup', {
- true: 'none',
- false: 'non-scaling-stroke'
- }, function(item, value) {
- return !value
- && (item instanceof PathItem
- || item instanceof Shape
- || item instanceof TextItem);
- }],
- miterLimit: ['stroke-miterlimit', 'number'],
- dashArray: ['stroke-dasharray', 'array'],
- dashOffset: ['stroke-dashoffset', 'number'],
- fontFamily: ['font-family', 'string'],
- fontWeight: ['font-weight', 'string'],
- fontSize: ['font-size', 'number'],
- justification: ['text-anchor', 'lookup', {
- left: 'start',
- center: 'middle',
- right: 'end'
- }],
- opacity: ['opacity', 'number'],
- blendMode: ['mix-blend-mode', 'string']
-}, function(entry, key) {
- var part = Base.capitalize(key),
- lookup = entry[2];
- this[key] = {
- type: entry[1],
- property: key,
- attribute: entry[0],
- toSVG: lookup,
- fromSVG: lookup && Base.each(lookup, function(value, name) {
- this[value] = name;
- }, {}),
- exportFilter: entry[3],
- get: 'get' + part,
- set: 'set' + part
- };
-}, {});
-
-var SVGNamespaces = {
- href: 'http://www.w3.org/1999/xlink',
- xlink: 'http://www.w3.org/2000/xmlns'
-};
-
-new function() {
- var formatter;
-
- function setAttributes(node, attrs) {
- for (var key in attrs) {
- var val = attrs[key],
- namespace = SVGNamespaces[key];
- if (typeof val === 'number')
- val = formatter.number(val);
- if (namespace) {
- node.setAttributeNS(namespace, key, val);
- } else {
- node.setAttribute(key, val);
- }
- }
- return node;
- }
-
- function createElement(tag, attrs) {
- return setAttributes(
- document.createElementNS('http://www.w3.org/2000/svg', tag), attrs);
- }
-
- function getTransform(matrix, coordinates, center) {
- var attrs = new Base(),
- trans = matrix.getTranslation();
- if (coordinates) {
- matrix = matrix.shiftless();
- var point = matrix._inverseTransform(trans);
- attrs[center ? 'cx' : 'x'] = point.x;
- attrs[center ? 'cy' : 'y'] = point.y;
- trans = null;
- }
- if (!matrix.isIdentity()) {
- var decomposed = matrix.decompose();
- if (decomposed && !decomposed.shearing) {
- var parts = [],
- angle = decomposed.rotation,
- scale = decomposed.scaling;
- if (trans && !trans.isZero())
- parts.push('translate(' + formatter.point(trans) + ')');
- if (!Numerical.isZero(scale.x - 1)
- || !Numerical.isZero(scale.y - 1))
- parts.push('scale(' + formatter.point(scale) +')');
- if (angle)
- parts.push('rotate(' + formatter.number(angle) + ')');
- attrs.transform = parts.join(' ');
- } else {
- attrs.transform = 'matrix(' + matrix.getValues().join(',') + ')';
- }
- }
- return attrs;
- }
-
- function exportGroup(item, options) {
- var attrs = getTransform(item._matrix),
- children = item._children;
- var node = createElement('g', attrs);
- for (var i = 0, l = children.length; i < l; i++) {
- var child = children[i];
- var childNode = exportSVG(child, options);
- if (childNode) {
- if (child.isClipMask()) {
- var clip = createElement('clipPath');
- clip.appendChild(childNode);
- setDefinition(child, clip, 'clip');
- setAttributes(node, {
- 'clip-path': 'url(#' + clip.id + ')'
- });
- } else {
- node.appendChild(childNode);
- }
- }
- }
- return node;
- }
-
- function exportRaster(item, options) {
- var attrs = getTransform(item._matrix, true),
- size = item.getSize(),
- image = item.getImage();
- attrs.x -= size.width / 2;
- attrs.y -= size.height / 2;
- attrs.width = size.width;
- attrs.height = size.height;
- attrs.href = options.embedImages === false && image && image.src
- || item.toDataURL();
- return createElement('image', attrs);
- }
-
- function exportPath(item, options) {
- var matchShapes = options.matchShapes;
- if (matchShapes) {
- var shape = item.toShape(false);
- if (shape)
- return exportShape(shape, options);
- }
- var segments = item._segments,
- type,
- attrs = getTransform(item._matrix);
- if (segments.length === 0)
- return null;
- if (matchShapes && !item.hasHandles()) {
- if (segments.length >= 3) {
- type = item._closed ? 'polygon' : 'polyline';
- var parts = [];
- for(var i = 0, l = segments.length; i < l; i++)
- parts.push(formatter.point(segments[i]._point));
- attrs.points = parts.join(' ');
- } else {
- type = 'line';
- var first = segments[0]._point,
- last = segments[segments.length - 1]._point;
- attrs.set({
- x1: first.x,
- y1: first.y,
- x2: last.x,
- y2: last.y
- });
- }
- } else {
- type = 'path';
- attrs.d = item.getPathData(null, options.precision);
- }
- return createElement(type, attrs);
- }
-
- function exportShape(item) {
- var type = item._type,
- radius = item._radius,
- attrs = getTransform(item._matrix, true, type !== 'rectangle');
- if (type === 'rectangle') {
- type = 'rect';
- var size = item._size,
- width = size.width,
- height = size.height;
- attrs.x -= width / 2;
- attrs.y -= height / 2;
- attrs.width = width;
- attrs.height = height;
- if (radius.isZero())
- radius = null;
- }
- if (radius) {
- if (type === 'circle') {
- attrs.r = radius;
- } else {
- attrs.rx = radius.width;
- attrs.ry = radius.height;
- }
- }
- return createElement(type, attrs);
- }
-
- function exportCompoundPath(item, options) {
- var attrs = getTransform(item._matrix);
- var data = item.getPathData(null, options.precision);
- if (data)
- attrs.d = data;
- return createElement('path', attrs);
- }
-
- function exportPlacedSymbol(item, options) {
- var attrs = getTransform(item._matrix, true),
- symbol = item.getSymbol(),
- symbolNode = getDefinition(symbol, 'symbol'),
- definition = symbol.getDefinition(),
- bounds = definition.getBounds();
- if (!symbolNode) {
- symbolNode = createElement('symbol', {
- viewBox: formatter.rectangle(bounds)
- });
- symbolNode.appendChild(exportSVG(definition, options));
- setDefinition(symbol, symbolNode, 'symbol');
- }
- attrs.href = '#' + symbolNode.id;
- attrs.x += bounds.x;
- attrs.y += bounds.y;
- attrs.width = formatter.number(bounds.width);
- attrs.height = formatter.number(bounds.height);
- attrs.overflow = 'visible';
- return createElement('use', attrs);
- }
-
- function exportGradient(color) {
- var gradientNode = getDefinition(color, 'color');
- if (!gradientNode) {
- var gradient = color.getGradient(),
- radial = gradient._radial,
- origin = color.getOrigin().transform(),
- destination = color.getDestination().transform(),
- attrs;
- if (radial) {
- attrs = {
- cx: origin.x,
- cy: origin.y,
- r: origin.getDistance(destination)
- };
- var highlight = color.getHighlight();
- if (highlight) {
- highlight = highlight.transform();
- attrs.fx = highlight.x;
- attrs.fy = highlight.y;
- }
- } else {
- attrs = {
- x1: origin.x,
- y1: origin.y,
- x2: destination.x,
- y2: destination.y
- };
- }
- attrs.gradientUnits = 'userSpaceOnUse';
- gradientNode = createElement(
- (radial ? 'radial' : 'linear') + 'Gradient', attrs);
- var stops = gradient._stops;
- for (var i = 0, l = stops.length; i < l; i++) {
- var stop = stops[i],
- stopColor = stop._color,
- alpha = stopColor.getAlpha();
- attrs = {
- offset: stop._rampPoint,
- 'stop-color': stopColor.toCSS(true)
- };
- if (alpha < 1)
- attrs['stop-opacity'] = alpha;
- gradientNode.appendChild(createElement('stop', attrs));
- }
- setDefinition(color, gradientNode, 'color');
- }
- return 'url(#' + gradientNode.id + ')';
- }
-
- function exportText(item) {
- var node = createElement('text', getTransform(item._matrix, true));
- node.textContent = item._content;
- return node;
- }
-
- var exporters = {
- Group: exportGroup,
- Layer: exportGroup,
- Raster: exportRaster,
- Path: exportPath,
- Shape: exportShape,
- CompoundPath: exportCompoundPath,
- PlacedSymbol: exportPlacedSymbol,
- PointText: exportText
- };
-
- function applyStyle(item, node, isRoot) {
- var attrs = {},
- parent = !isRoot && item.getParent();
-
- if (item._name != null)
- attrs.id = item._name;
-
- Base.each(SVGStyles, function(entry) {
- var get = entry.get,
- type = entry.type,
- value = item[get]();
- if (entry.exportFilter
- ? entry.exportFilter(item, value)
- : !parent || !Base.equals(parent[get](), value)) {
- if (type === 'color' && value != null) {
- var alpha = value.getAlpha();
- if (alpha < 1)
- attrs[entry.attribute + '-opacity'] = alpha;
- }
- attrs[entry.attribute] = value == null
- ? 'none'
- : type === 'number'
- ? formatter.number(value)
- : type === 'color'
- ? value.gradient
- ? exportGradient(value, item)
- : value.toCSS(true)
- : type === 'array'
- ? value.join(',')
- : type === 'lookup'
- ? entry.toSVG[value]
- : value;
- }
- });
-
- if (attrs.opacity === 1)
- delete attrs.opacity;
-
- if (!item._visible)
- attrs.visibility = 'hidden';
-
- return setAttributes(node, attrs);
- }
-
- var definitions;
- function getDefinition(item, type) {
- if (!definitions)
- definitions = { ids: {}, svgs: {} };
- return item && definitions.svgs[type + '-' + item._id];
- }
-
- function setDefinition(item, node, type) {
- if (!definitions)
- getDefinition();
- var id = definitions.ids[type] = (definitions.ids[type] || 0) + 1;
- node.id = type + '-' + id;
- definitions.svgs[type + '-' + item._id] = node;
- }
-
- function exportDefinitions(node, options) {
- var svg = node,
- defs = null;
- if (definitions) {
- svg = node.nodeName.toLowerCase() === 'svg' && node;
- for (var i in definitions.svgs) {
- if (!defs) {
- if (!svg) {
- svg = createElement('svg');
- svg.appendChild(node);
- }
- defs = svg.insertBefore(createElement('defs'),
- svg.firstChild);
- }
- defs.appendChild(definitions.svgs[i]);
- }
- definitions = null;
- }
- return options.asString
- ? new XMLSerializer().serializeToString(svg)
- : svg;
- }
-
- function exportSVG(item, options, isRoot) {
- var exporter = exporters[item._class],
- node = exporter && exporter(item, options);
- if (node) {
- var onExport = options.onExport;
- if (onExport)
- node = onExport(item, node, options) || node;
- var data = JSON.stringify(item._data);
- if (data && data !== '{}' && data !== 'null')
- node.setAttribute('data-paper-data', data);
- }
- return node && applyStyle(item, node, isRoot);
- }
-
- function setOptions(options) {
- if (!options)
- options = {};
- formatter = new Formatter(options.precision);
- return options;
- }
-
- Item.inject({
- exportSVG: function(options) {
- options = setOptions(options);
- return exportDefinitions(exportSVG(this, options, true), options);
- }
- });
-
- Project.inject({
- exportSVG: function(options) {
- options = setOptions(options);
- var layers = this.layers,
- view = this.getView(),
- size = view.getViewSize(),
- node = createElement('svg', {
- x: 0,
- y: 0,
- width: size.width,
- height: size.height,
- version: '1.1',
- xmlns: 'http://www.w3.org/2000/svg',
- 'xmlns:xlink': 'http://www.w3.org/1999/xlink'
- }),
- parent = node,
- matrix = view._matrix;
- if (!matrix.isIdentity())
- parent = node.appendChild(
- createElement('g', getTransform(matrix)));
- for (var i = 0, l = layers.length; i < l; i++)
- parent.appendChild(exportSVG(layers[i], options, true));
- return exportDefinitions(node, options);
- }
- });
-};
-
-new function() {
-
- function getValue(node, name, isString, allowNull) {
- var namespace = SVGNamespaces[name],
- value = namespace
- ? node.getAttributeNS(namespace, name)
- : node.getAttribute(name);
- if (value === 'null')
- value = null;
- return value == null
- ? allowNull
- ? null
- : isString
- ? ''
- : 0
- : isString
- ? value
- : parseFloat(value);
- }
-
- function getPoint(node, x, y, allowNull) {
- x = getValue(node, x, false, allowNull);
- y = getValue(node, y, false, allowNull);
- return allowNull && (x == null || y == null) ? null
- : new Point(x, y);
- }
-
- function getSize(node, w, h, allowNull) {
- w = getValue(node, w, false, allowNull);
- h = getValue(node, h, false, allowNull);
- return allowNull && (w == null || h == null) ? null
- : new Size(w, h);
- }
-
- function convertValue(value, type, lookup) {
- return value === 'none'
- ? null
- : type === 'number'
- ? parseFloat(value)
- : type === 'array'
- ? value ? value.split(/[\s,]+/g).map(parseFloat) : []
- : type === 'color'
- ? getDefinition(value) || value
- : type === 'lookup'
- ? lookup[value]
- : value;
- }
-
- function importGroup(node, type, options, isRoot) {
- var nodes = node.childNodes,
- isClip = type === 'clippath',
- item = new Group(),
- project = item._project,
- currentStyle = project._currentStyle,
- children = [];
- if (!isClip) {
- item = applyAttributes(item, node, isRoot);
- project._currentStyle = item._style.clone();
- }
- if (isRoot) {
- var defs = node.querySelectorAll('defs');
- for (var i = 0, l = defs.length; i < l; i++) {
- importSVG(defs[i], options, false);
- }
- }
- for (var i = 0, l = nodes.length; i < l; i++) {
- var childNode = nodes[i],
- child;
- if (childNode.nodeType === 1
- && childNode.nodeName.toLowerCase() !== 'defs'
- && (child = importSVG(childNode, options, false))
- && !(child instanceof Symbol))
- children.push(child);
- }
- item.addChildren(children);
- if (isClip)
- item = applyAttributes(item.reduce(), node, isRoot);
- project._currentStyle = currentStyle;
- if (isClip || type === 'defs') {
- item.remove();
- item = null;
- }
- return item;
- }
-
- function importPoly(node, type) {
- var coords = node.getAttribute('points').match(
- /[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g),
- points = [];
- for (var i = 0, l = coords.length; i < l; i += 2)
- points.push(new Point(
- parseFloat(coords[i]),
- parseFloat(coords[i + 1])));
- var path = new Path(points);
- if (type === 'polygon')
- path.closePath();
- return path;
- }
-
- function importPath(node) {
- var data = node.getAttribute('d'),
- param = { pathData: data };
- return (data.match(/m/gi) || []).length > 1 || /z\S+/i.test(data)
- ? new CompoundPath(param)
- : new Path(param);
- }
-
- function importGradient(node, type) {
- var id = (getValue(node, 'href', true) || '').substring(1),
- isRadial = type === 'radialgradient',
- gradient;
- if (id) {
- gradient = definitions[id].getGradient();
- } else {
- var nodes = node.childNodes,
- stops = [];
- for (var i = 0, l = nodes.length; i < l; i++) {
- var child = nodes[i];
- if (child.nodeType === 1)
- stops.push(applyAttributes(new GradientStop(), child));
- }
- gradient = new Gradient(stops, isRadial);
- }
- var origin, destination, highlight;
- if (isRadial) {
- origin = getPoint(node, 'cx', 'cy');
- destination = origin.add(getValue(node, 'r'), 0);
- highlight = getPoint(node, 'fx', 'fy', true);
- } else {
- origin = getPoint(node, 'x1', 'y1');
- destination = getPoint(node, 'x2', 'y2');
- }
- applyAttributes(
- new Color(gradient, origin, destination, highlight), node);
- return null;
- }
-
- var importers = {
- '#document': function (node, type, options, isRoot) {
- var nodes = node.childNodes;
- for (var i = 0, l = nodes.length; i < l; i++) {
- var child = nodes[i];
- if (child.nodeType === 1) {
- var next = child.nextSibling;
- document.body.appendChild(child);
- var item = importSVG(child, options, isRoot);
- if (next) {
- node.insertBefore(child, next);
- } else {
- node.appendChild(child);
- }
- return item;
- }
- }
- },
- g: importGroup,
- svg: importGroup,
- clippath: importGroup,
- polygon: importPoly,
- polyline: importPoly,
- path: importPath,
- lineargradient: importGradient,
- radialgradient: importGradient,
-
- image: function (node) {
- var raster = new Raster(getValue(node, 'href', true));
- raster.on('load', function() {
- var size = getSize(node, 'width', 'height');
- this.setSize(size);
- var center = this._matrix._transformPoint(
- getPoint(node, 'x', 'y').add(size.divide(2)));
- this.translate(center);
- });
- return raster;
- },
-
- symbol: function(node, type, options, isRoot) {
- return new Symbol(importGroup(node, type, options, isRoot), true);
- },
-
- defs: importGroup,
-
- use: function(node) {
- var id = (getValue(node, 'href', true) || '').substring(1),
- definition = definitions[id],
- point = getPoint(node, 'x', 'y');
- return definition
- ? definition instanceof Symbol
- ? definition.place(point)
- : definition.clone().translate(point)
- : null;
- },
-
- circle: function(node) {
- return new Shape.Circle(getPoint(node, 'cx', 'cy'),
- getValue(node, 'r'));
- },
-
- ellipse: function(node) {
- return new Shape.Ellipse({
- center: getPoint(node, 'cx', 'cy'),
- radius: getSize(node, 'rx', 'ry')
- });
- },
-
- rect: function(node) {
- var point = getPoint(node, 'x', 'y'),
- size = getSize(node, 'width', 'height'),
- radius = getSize(node, 'rx', 'ry');
- return new Shape.Rectangle(new Rectangle(point, size), radius);
- },
-
- line: function(node) {
- return new Path.Line(getPoint(node, 'x1', 'y1'),
- getPoint(node, 'x2', 'y2'));
- },
-
- text: function(node) {
- var text = new PointText(getPoint(node, 'x', 'y')
- .add(getPoint(node, 'dx', 'dy')));
- text.setContent(node.textContent.trim() || '');
- return text;
- }
- };
-
- function applyTransform(item, value, name, node) {
- var transforms = (node.getAttribute(name) || '').split(/\)\s*/g),
- matrix = new Matrix();
- for (var i = 0, l = transforms.length; i < l; i++) {
- var transform = transforms[i];
- if (!transform)
- break;
- var parts = transform.split(/\(\s*/),
- command = parts[0],
- v = parts[1].split(/[\s,]+/g);
- for (var j = 0, m = v.length; j < m; j++)
- v[j] = parseFloat(v[j]);
- switch (command) {
- case 'matrix':
- matrix.concatenate(
- new Matrix(v[0], v[1], v[2], v[3], v[4], v[5]));
- break;
- case 'rotate':
- matrix.rotate(v[0], v[1], v[2]);
- break;
- case 'translate':
- matrix.translate(v[0], v[1]);
- break;
- case 'scale':
- matrix.scale(v);
- break;
- case 'skewX':
- matrix.skew(v[0], 0);
- break;
- case 'skewY':
- matrix.skew(0, v[0]);
- break;
- }
- }
- item.transform(matrix);
- }
-
- function applyOpacity(item, value, name) {
- var color = item[name === 'fill-opacity' ? 'getFillColor'
- : 'getStrokeColor']();
- if (color)
- color.setAlpha(parseFloat(value));
- }
-
- var attributes = Base.set(Base.each(SVGStyles, function(entry) {
- this[entry.attribute] = function(item, value) {
- item[entry.set](convertValue(value, entry.type, entry.fromSVG));
- if (entry.type === 'color' && item instanceof Shape) {
- var color = item[entry.get]();
- if (color)
- color.transform(new Matrix().translate(
- item.getPosition(true).negate()));
- }
- };
- }, {}), {
- id: function(item, value) {
- definitions[value] = item;
- if (item.setName)
- item.setName(value);
- },
-
- 'clip-path': function(item, value) {
- var clip = getDefinition(value);
- if (clip) {
- clip = clip.clone();
- clip.setClipMask(true);
- if (item instanceof Group) {
- item.insertChild(0, clip);
- } else {
- return new Group(clip, item);
- }
- }
- },
-
- gradientTransform: applyTransform,
- transform: applyTransform,
-
- 'fill-opacity': applyOpacity,
- 'stroke-opacity': applyOpacity,
-
- visibility: function(item, value) {
- item.setVisible(value === 'visible');
- },
-
- display: function(item, value) {
- item.setVisible(value !== null);
- },
-
- 'stop-color': function(item, value) {
- if (item.setColor)
- item.setColor(value);
- },
-
- 'stop-opacity': function(item, value) {
- if (item._color)
- item._color.setAlpha(parseFloat(value));
- },
-
- offset: function(item, value) {
- var percentage = value.match(/(.*)%$/);
- item.setRampPoint(percentage
- ? percentage[1] / 100
- : parseFloat(value));
- },
-
- viewBox: function(item, value, name, node, styles) {
- var rect = new Rectangle(convertValue(value, 'array')),
- size = getSize(node, 'width', 'height', true);
- if (item instanceof Group) {
- var scale = size ? rect.getSize().divide(size) : 1,
- matrix = new Matrix().translate(rect.getPoint()).scale(scale);
- item.transform(matrix.inverted());
- } else if (item instanceof Symbol) {
- if (size)
- rect.setSize(size);
- var clip = getAttribute(node, 'overflow', styles) != 'visible',
- group = item._definition;
- if (clip && !rect.contains(group.getBounds())) {
- clip = new Shape.Rectangle(rect).transform(group._matrix);
- clip.setClipMask(true);
- group.addChild(clip);
- }
- }
- }
- });
-
- function getAttribute(node, name, styles) {
- var attr = node.attributes[name],
- value = attr && attr.value;
- if (!value) {
- var style = Base.camelize(name);
- value = node.style[style];
- if (!value && styles.node[style] !== styles.parent[style])
- value = styles.node[style];
- }
- return !value
- ? undefined
- : value === 'none'
- ? null
- : value;
- }
-
- function applyAttributes(item, node, isRoot) {
- var styles = {
- node: DomElement.getStyles(node) || {},
- parent: !isRoot && DomElement.getStyles(node.parentNode) || {}
- };
- Base.each(attributes, function(apply, name) {
- var value = getAttribute(node, name, styles);
- if (value !== undefined)
- item = Base.pick(apply(item, value, name, node, styles), item);
- });
- return item;
- }
-
- var definitions = {};
- function getDefinition(value) {
- var match = value && value.match(/\((?:#|)([^)']+)/);
- return match && definitions[match[1]];
- }
-
- function importSVG(source, options, isRoot) {
- if (!source)
- return null;
- if (!options) {
- options = {};
- } else if (typeof options === 'function') {
- options = { onLoad: options };
- }
-
- var node = source,
- scope = paper;
-
- function onLoadCallback(svg) {
- paper = scope;
- var item = importSVG(svg, options, isRoot),
- onLoad = options.onLoad,
- view = scope.project && scope.getView();
- if (onLoad)
- onLoad.call(this, item);
- view.update();
- }
-
- if (isRoot) {
- if (typeof source === 'string' && !/^.*</.test(source)) {
- node = document.getElementById(source);
- if (node) {
- source = null;
- } else {
- return Http.request('get', source, onLoadCallback);
- }
- } else if (typeof File !== 'undefined' && source instanceof File) {
- var reader = new FileReader();
- reader.onload = function() {
- onLoadCallback(reader.result);
- };
- return reader.readAsText(source);
- }
- }
-
- if (typeof source === 'string')
- node = new DOMParser().parseFromString(source, 'image/svg+xml');
- if (!node.nodeName)
- throw new Error('Unsupported SVG source: ' + source);
- var type = node.nodeName.toLowerCase(),
- importer = importers[type],
- item,
- data = node.getAttribute && node.getAttribute('data-paper-data'),
- settings = scope.settings,
- applyMatrix = settings.applyMatrix;
- settings.applyMatrix = false;
- item = importer && importer(node, type, options, isRoot) || null;
- settings.applyMatrix = applyMatrix;
- if (item) {
- if (type !== '#document' && !(item instanceof Group))
- item = applyAttributes(item, node, isRoot);
- var onImport = options.onImport;
- if (onImport)
- item = onImport(node, item, options) || item;
- if (options.expandShapes && item instanceof Shape) {
- item.remove();
- item = item.toPath();
- }
- if (data)
- item._data = JSON.parse(data);
- }
- if (isRoot) {
- definitions = {};
- if (item && Base.pick(options.applyMatrix, applyMatrix))
- item.matrix.apply(true, true);
- }
- return item;
- }
-
- Item.inject({
- importSVG: function(node, options) {
- return this.addChild(importSVG(node, options, true));
- }
- });
-
- Project.inject({
- importSVG: function(node, options) {
- this.activate();
- return importSVG(node, options, true);
- }
- });
-};
-
-Base.exports.PaperScript = (function() {
- var exports, define,
- scope = this;
-!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 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o=String.fromCharCode(r);if("\\"===o||$t.test(o))return L();t(br,"Unexpected character '"+o+"'")}return n}function x(e,r){var t=dr.slice(br,br+r);br+=r,i(e,t)}function k(){for(var e,r,n="",a=br;;){br>=pr&&t(a,"Unterminated regular expression");var o=dr.charAt(br);if(Gt.test(o)&&t(a,"Unterminated regular expression"),e)e=!1;else{if("["===o)r=!0;else if("]"===o&&r)r=!1;else if("/"===o&&!r)break;e="\\"===o}++br}var n=dr.slice(a,br);++br;var s=I();return s&&!/^[gmsiy]*$/.test(s)&&t(a,"Invalid regexp flag"),i(jr,new RegExp(n,s))}function w(e,r){for(var t=br,n=0,a=0,o=null==r?1/0:r;o>a;++a){var i,s=dr.charCodeAt(br);if(i=s>=97?s-97+10:s>=65?s-65+10:s>=48&&57>=s?s-48:1/0,i>=e)break;++br,n=n*e+i}return br===t||null!=r&&br-t!==r?null:n}function C(){br+=2;var e=w(16);return null==e&&t(yr+2,"Expected hexadecimal number"),Qt(dr.charCodeAt(br))&&t(br,"Identifier directly after number"),i(Or,e)}function E(e){var r=br,n=!1,a=48===dr.charCodeAt(br);e||null!==w(10)||t(r,"Invalid 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";break;case 98:r+="\b";break;case 118:r+=" ";break;case 102:r+="\f";break;case 48:r+="\0";break;case 13:10===dr.charCodeAt(br)&&++br;case 10:fr.locations&&(Sr=br,++Ar);break;default:r+=String.fromCharCode(n)}}else(13===n||10===n||8232===n||8233===n)&&t(yr,"Unterminated string constant"),r+=String.fromCharCode(n),++br}}function S(e){var r=w(16,e);return null===r&&t(yr,"Bad character escape sequence"),r}function I(){Bt=!1;for(var e,r=!0,n=br;;){var a=dr.charCodeAt(br);if(Yt(a))Bt&&(e+=dr.charAt(br)),++br;else{if(92!==a)break;Bt||(e=dr.slice(n,br)),Bt=!0,117!=dr.charCodeAt(++br)&&t(br,"Expecting Unicode escape sequence \\uXXXX"),++br;var o=S(4),i=String.fromCharCode(o);i||t(br-1,"Invalid Unicode escape"),(r?Qt(o):Yt(o))||t(br-4,"Invalid Unicode escape"),e+=i}r=!1}return Bt?e:dr.slice(n,br)}function L(){var e=I(),r=Fr;return Bt||(Wt(e)?r=lt[e]:(fr.forbidReserved&&(3===fr.ecmaVersion?Mt:zt)(e)||Tr&&Xt(e))&&t(yr,"The keyword '"+e+"' is reserved")),i(r,e)}function U(){Ir=yr,Lr=gr,Ur=kr,g()}function R(e){if(Tr=e,br=Lr,fr.locations)for(;Sr>br;)Sr=dr.lastIndexOf("\n",Sr-2)+1,--Ar;u(),g()}function V(){this.type=null,this.start=yr,this.end=null}function T(){this.start=xr,this.end=null,null!==hr&&(this.source=hr)}function q(){var e=new V;return fr.locations&&(e.loc=new T),fr.ranges&&(e.range=[yr,0]),e}function O(e){var r=new V;return r.start=e.start,fr.locations&&(r.loc=new T,r.loc.start=e.loc.start),fr.ranges&&(r.range=[e.range[0],0]),r}function j(e,r){return e.type=r,e.end=Lr,fr.locations&&(e.loc.end=Ur),fr.ranges&&(e.range[1]=Lr),e}function D(e){return fr.ecmaVersion>=5&&"ExpressionStatement"===e.type&&"Literal"===e.expression.type&&"use strict"===e.expression.value}function F(e){return wr===e?(U(),!0):void 0}function B(){return!fr.strictSemicolons&&(wr===Br||wr===ht||Gt.test(dr.slice(Lr,yr)))}function M(){F(yt)||B()||X()}function z(e){wr===e?U():X()}function X(){t(yr,"Unexpected token")}function N(e){"Identifier"!==e.type&&"MemberExpression"!==e.type&&t(e.start,"Assigning to rvalue"),Tr&&"Identifier"===e.type&&Nt(e.name)&&t(e.start,"Assigning to "+e.name+" in strict mode")}function W(e){Ir=Lr=br,fr.locations&&(Ur=new a),Rr=Tr=null,Vr=[],g();var r=e||q(),t=!0;for(e||(r.body=[]);wr!==Br;){var n=J();r.body.push(n),t&&D(n)&&R(!0),t=!1}return j(r,"Program")}function J(){(wr===wt||wr===Et&&"/="==Cr)&&g(!0);var e=wr,r=q();switch(e){case Mr:case Nr:U();var n=e===Mr;F(yt)||B()?r.label=null:wr!==Fr?X():(r.label=lr(),M());for(var a=0;a<Vr.length;++a){var o=Vr[a];if(null==r.label||o.name===r.label.name){if(null!=o.kind&&(n||"loop"===o.kind))break;if(r.label&&n)break}}return a===Vr.length&&t(r.start,"Unsyntactic "+e.keyword),j(r,n?"BreakStatement":"ContinueStatement");case Wr:return U(),M(),j(r,"DebuggerStatement");case Pr:return U(),Vr.push(Zt),r.body=J(),Vr.pop(),z(tt),r.test=P(),M(),j(r,"DoWhileStatement");case _r:if(U(),Vr.push(Zt),z(mt),wr===yt)return $(r,null);if(wr===rt){var 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RegExp("["+Pt+"]"),_t=new RegExp("["+Pt+Ht+"]"),Gt=/[\n\r\u2028\u2029]/,Kt=/\r\n|[\n\r\u2028\u2029]/g,Qt=e.isIdentifierStart=function(e){return 65>e?36===e:91>e?!0:97>e?95===e:123>e?!0:e>=170&&$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"}});
-
- var binaryOperators = {
- '+': '__add',
- '-': '__subtract',
- '*': '__multiply',
- '/': '__divide',
- '%': '__modulo',
- '==': 'equals',
- '!=': 'equals'
- };
-
- var unaryOperators = {
- '-': '__negate',
- '+': null
- };
-
- var fields = Base.each(
- ['add', 'subtract', 'multiply', 'divide', 'modulo', 'negate'],
- function(name) {
- this['__' + name] = '#' + name;
- },
- {}
- );
- Point.inject(fields);
- Size.inject(fields);
- Color.inject(fields);
-
- function __$__(left, operator, right) {
- var handler = binaryOperators[operator];
- if (left && left[handler]) {
- var res = left[handler](right);
- return operator === '!=' ? !res : res;
- }
- switch (operator) {
- case '+': return left + right;
- case '-': return left - right;
- case '*': return left * right;
- case '/': return left / right;
- case '%': return left % right;
- case '==': return left == right;
- case '!=': return left != right;
- }
- }
-
- function $__(operator, value) {
- var handler = unaryOperators[operator];
- if (handler && value && value[handler])
- return value[handler]();
- switch (operator) {
- case '+': return +value;
- case '-': return -value;
- }
- }
-
- function parse(code, options) {
- return scope.acorn.parse(code, options);
- }
-
- function compile(code, url, options) {
- if (!code)
- return '';
- options = options || {};
- url = url || '';
-
- var insertions = [];
-
- function getOffset(offset) {
- for (var i = 0, l = insertions.length; i < l; i++) {
- var insertion = insertions[i];
- if (insertion[0] >= offset)
- break;
- offset += insertion[1];
- }
- return offset;
- }
-
- function getCode(node) {
- return code.substring(getOffset(node.range[0]),
- getOffset(node.range[1]));
- }
-
- function getBetween(left, right) {
- return code.substring(getOffset(left.range[1]),
- getOffset(right.range[0]));
- }
-
- function replaceCode(node, str) {
- var start = getOffset(node.range[0]),
- end = getOffset(node.range[1]),
- insert = 0;
- for (var i = insertions.length - 1; i >= 0; i--) {
- if (start > insertions[i][0]) {
- insert = i + 1;
- break;
- }
- }
- insertions.splice(insert, 0, [start, str.length - end + start]);
- code = code.substring(0, start) + str + code.substring(end);
- }
-
- function walkAST(node, parent) {
- if (!node)
- return;
- for (var key in node) {
- if (key === 'range' || key === 'loc')
- continue;
- var value = node[key];
- if (Array.isArray(value)) {
- for (var i = 0, l = value.length; i < l; i++)
- walkAST(value[i], node);
- } else if (value && typeof value === 'object') {
- walkAST(value, node);
- }
- }
- switch (node.type) {
- case 'UnaryExpression':
- if (node.operator in unaryOperators
- && node.argument.type !== 'Literal') {
- var arg = getCode(node.argument);
- replaceCode(node, '$__("' + node.operator + '", '
- + arg + ')');
- }
- break;
- case 'BinaryExpression':
- if (node.operator in binaryOperators
- && node.left.type !== 'Literal') {
- var left = getCode(node.left),
- right = getCode(node.right),
- between = getBetween(node.left, node.right),
- operator = node.operator;
- replaceCode(node, '__$__(' + left + ','
- + between.replace(new RegExp('\\' + operator),
- '"' + operator + '"')
- + ', ' + right + ')');
- }
- break;
- case 'UpdateExpression':
- case 'AssignmentExpression':
- var parentType = parent && parent.type;
- if (!(
- parentType === 'ForStatement'
- || parentType === 'BinaryExpression'
- && /^[=!<>]/.test(parent.operator)
- || parentType === 'MemberExpression' && parent.computed
- )) {
- if (node.type === 'UpdateExpression') {
- var arg = getCode(node.argument),
- exp = '__$__(' + arg + ', "' + node.operator[0]
- + '", 1)',
- str = arg + ' = ' + exp;
- if (!node.prefix
- && (parentType === 'AssignmentExpression'
- || parentType === 'VariableDeclarator')) {
- if (getCode(parent.left || parent.id) === arg)
- str = exp;
- str = arg + '; ' + str;
- }
- replaceCode(node, str);
- } else {
- if (/^.=$/.test(node.operator)
- && node.left.type !== 'Literal') {
- var left = getCode(node.left),
- right = getCode(node.right);
- replaceCode(node, left + ' = __$__(' + left + ', "'
- + node.operator[0] + '", ' + right + ')');
- }
- }
- }
- break;
- }
- }
- var sourceMap = null,
- browser = paper.browser,
- version = browser.versionNumber,
- lineBreaks = /\r\n|\n|\r/mg;
- if (browser.chrome && version >= 30
- || browser.webkit && version >= 537.76
- || browser.firefox && version >= 23) {
- var offset = 0;
- if (window.location.href.indexOf(url) === 0) {
- var html = document.getElementsByTagName('html')[0].innerHTML;
- offset = html.substr(0, html.indexOf(code) + 1).match(
- lineBreaks).length + 1;
- }
- var mappings = ['AAAA'];
- mappings.length = (code.match(lineBreaks) || []).length + 1 + offset;
- sourceMap = {
- version: 3,
- file: url,
- names:[],
- mappings: mappings.join(';AACA'),
- sourceRoot: '',
- sources: [url]
- };
- var source = options.source || !url && code;
- if (source)
- sourceMap.sourcesContent = [source];
- }
- walkAST(parse(code, { ranges: true }));
- if (sourceMap) {
- code = new Array(offset + 1).join('\n') + code
- + "\n//# sourceMappingURL=data:application/json;base64,"
- + (btoa(unescape(encodeURIComponent(
- JSON.stringify(sourceMap)))))
- + "\n//# sourceURL=" + (url || 'paperscript');
- }
- return code;
- }
-
- function execute(code, scope, url, options) {
- paper = scope;
- var view = scope.getView(),
- tool = /\s+on(?:Key|Mouse)(?:Up|Down|Move|Drag)\b/.test(code)
- ? new Tool()
- : null,
- toolHandlers = tool ? tool._events : [],
- handlers = ['onFrame', 'onResize'].concat(toolHandlers),
- params = [],
- args = [],
- func;
- code = compile(code, url, options);
- function expose(scope, hidden) {
- for (var key in scope) {
- if ((hidden || !/^_/.test(key)) && new RegExp('([\\b\\s\\W]|^)'
- + key.replace(/\$/g, '\\$') + '\\b').test(code)) {
- params.push(key);
- args.push(scope[key]);
- }
- }
- }
- expose({ __$__: __$__, $__: $__, paper: scope, view: view, tool: tool },
- true);
- expose(scope);
- handlers = Base.each(handlers, function(key) {
- if (new RegExp('\\s+' + key + '\\b').test(code)) {
- params.push(key);
- this.push(key + ': ' + key);
- }
- }, []).join(', ');
- if (handlers)
- code += '\nreturn { ' + handlers + ' };';
- var browser = paper.browser;
- if (browser.chrome || browser.firefox) {
- var script = document.createElement('script'),
- head = document.head || document.getElementsByTagName('head')[0];
- if (browser.firefox)
- code = '\n' + code;
- script.appendChild(document.createTextNode(
- 'paper._execute = function(' + params + ') {' + code + '\n}'
- ));
- head.appendChild(script);
- func = paper._execute;
- delete paper._execute;
- head.removeChild(script);
- } else {
- func = Function(params, code);
- }
- var res = func.apply(scope, args) || {};
- Base.each(toolHandlers, function(key) {
- var value = res[key];
- if (value)
- tool[key] = value;
- });
- if (view) {
- if (res.onResize)
- view.setOnResize(res.onResize);
- view.emit('resize', {
- size: view.size,
- delta: new Point()
- });
- if (res.onFrame)
- view.setOnFrame(res.onFrame);
- view.update();
- }
- }
-
- function loadScript(script) {
- if (/^text\/(?:x-|)paperscript$/.test(script.type)
- && PaperScope.getAttribute(script, 'ignore') !== 'true') {
- var canvasId = PaperScope.getAttribute(script, 'canvas'),
- canvas = document.getElementById(canvasId),
- src = script.src || script.getAttribute('data-src'),
- async = PaperScope.hasAttribute(script, 'async'),
- scopeAttribute = 'data-paper-scope';
- if (!canvas)
- throw new Error('Unable to find canvas with id "'
- + canvasId + '"');
- var scope = PaperScope.get(canvas.getAttribute(scopeAttribute))
- || new PaperScope().setup(canvas);
- canvas.setAttribute(scopeAttribute, scope._id);
- if (src) {
- Http.request('get', src, function(code) {
- execute(code, scope, src);
- }, async);
- } else {
- execute(script.innerHTML, scope, script.baseURI);
- }
- script.setAttribute('data-paper-ignore', 'true');
- return scope;
- }
- }
-
- function loadAll() {
- Base.each(document.getElementsByTagName('script'), loadScript);
- }
-
- function load(script) {
- return script ? loadScript(script) : loadAll();
- }
-
- if (document.readyState === 'complete') {
- setTimeout(loadAll);
- } else {
- DomEvent.add(window, { load: loadAll });
- }
-
- return {
- compile: compile,
- execute: execute,
- load: load,
- parse: parse
- };
-
-}).call(this);
-
-paper = new (PaperScope.inject(Base.exports, {
- enumerable: true,
- Base: Base,
- Numerical: Numerical,
- Key: Key
-}))();
-
-if (typeof define === 'function' && define.amd) {
- define('paper', paper);
-} else if (typeof module === 'object' && module) {
- module.exports = paper;
-}
-
-return paper;
-};