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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="utf-8"> |
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<title>Example: Create Gradient Fills</title> |
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<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic"> |
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<link rel="stylesheet" href="../../build/cssgrids/cssgrids-min.css"> |
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<link rel="stylesheet" href="../assets/css/main.css"> |
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<script src="../../build/yui/yui-min.js"></script> |
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</head> |
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<body> |
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<!-- |
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<a href="https://github.com/yui/yui3"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a> |
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<div id="doc"> |
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<div id="hd"> |
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<h1><img src="http://yuilibrary.com/img/yui-logo.png"></h1> |
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</div> |
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<h1>Example: Create Gradient Fills</h1> |
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<div class="yui3-g"> |
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<div class="yui3-u-3-4"> |
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<div id="main"> |
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<div class="content"><style scoped> |
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#custom-doc { width: 95%; min-width: 950px; } |
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#pagetitle {background-image: url(../../assets/bg_hd.gif);} |
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#mygraphiccontainer { |
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position: relative; |
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width: 700px; |
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height:400px; |
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} |
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</style> |
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<div class="intro"> |
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<p> |
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This example shows how to create gradient fills for a shape. By default, the <code>fill</code> attribute of a shape instance will generate a solid fill for the shape. Setting the <code>type</code> property on the <code>fill</code> attribute to <code>linear</code> or <code>radial</code> will create corresponding |
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gradient fill. Each gradient type has its own set of properties for defining the fill. Both share the <code>stop</code> property. The <code>stop</code> property defines the colors and their opacity and position in a |
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gradient fill. It is an array of objects containing the following information. |
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</p> |
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<dl> |
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<dt>color</dt><dd>The color of the stop.</dd> |
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<dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the stop. The default value is 1. Note: No effect for IE <= 8</dd> |
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<dt>offset</dt><dd>Number between 0 and 1 indicating where the color stop is positioned.</dd> |
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</dl> |
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<p> |
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Linear gradients included a rotation property which defines the direction of the gradient. (by default, linear gradients go left to right) |
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<dl> |
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<dt>rotation</dt><dd>Linear gradients flow left to right by default. The rotation property allows you to change the flow by rotation. (e.g. A rotation of 180 would make the gradient pain from right to left.)</dd> |
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</dl> |
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</p> |
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<p> |
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Radial gradients include the following additional properties: |
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<dl> |
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<dt>cx</dt><dd>The x-coordinate of the center of the gradient circle. Determines where the color stop begins. The default value 0.5. |
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<p><strong>Note: </strong>This property currently has no effect on Android or IE 6 - 8.</p> |
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</dd> |
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<dt>cy</dt><dd>The y-coordinate of the center of the gradient circle. Determines where the color stop begins. The default value 0.5. |
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<p><strong>Note: </strong>This property currently has no effect on Android or IE 6 - 8.</p> |
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</dd> |
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<dt>r</dt><dd>Radius of the gradient circle. Determines where the color stops end. The default value is 0.5.</dd> |
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<dt>fx</dt><dd>Focal point x-coordinate of the gradient.</dd> |
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<dt>fy</dt><dd>Focal point y-coordinate of the gradient.</dd> |
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</dl> |
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</p> |
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</div> |
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<div class="example"> |
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<div id="mygraphiccontainer"></div> |
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<script> |
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YUI().use('graphics', function (Y) |
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{ |
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var mygraphic = new Y.Graphic({render:"#mygraphiccontainer"}); |
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var myrect = mygraphic.addShape({ |
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type: "rect", |
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stroke: { |
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color:"#000", |
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weight: 1 |
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}, |
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fill: { |
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type: "linear", |
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rotation: 271, |
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stops: [ |
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{color: "#ff6666", opacity: 1, offset: 0}, |
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{color: "#00ffff", opacity: 1, offset: 0.5}, |
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{color: "#000000", opacity: 1, offset: 1} |
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] |
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}, |
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width:685, |
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height:400 |
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}); |
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var mycircle = mygraphic.addShape({ |
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type: "circle", |
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radius: 50, |
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x: 0, |
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y: 0, |
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fill: { |
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type: "radial", |
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stops: [ |
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{color: "#ff6666", offset: 0}, |
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{color: "#00ffff", offset: 0.4}, |
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{color: "#000000", offset: 0.7} |
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], |
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fx: 0.1, |
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fy: 0.3, |
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r: 0.5 |
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}, |
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stroke: { |
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color: "#000" |
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} |
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}); |
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}); |
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</script> |
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</div> |
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<h2>HTML</h2> |
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<pre class="code prettyprint"><div id="mygraphiccontainer"></div></pre> |
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<h2>CSS</h2> |
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<pre class="code prettyprint">#mygraphiccontainer { |
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position: relative; |
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width: 700px; |
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height:400px; |
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}</pre> |
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<h2>Javascript</h2> |
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<p>Add a rectangle with a linear gradient.</p> |
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<pre class="code prettyprint">var mygraphic = new Y.Graphic({render:"#mygraphiccontainer"}); |
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var myrect = mygraphic.addShape({ |
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type: "rect", |
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stroke: { |
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color:"#000", |
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weight: 1 |
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}, |
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fill: { |
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type: "linear", |
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rotation: 271, |
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stops: [ |
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{color: "#ff6666", opacity: 1, offset: 0}, |
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{color: "#00ffff", opacity: 1, offset: 0.5}, |
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{color: "#000000", opacity: 1, offset: 1} |
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] |
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}, |
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width:685, |
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height:400 |
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});</pre> |
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<p>Add a circle with a radial gradient.</p> |
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<pre class="code prettyprint">var mycircle = mygraphic.addShape({ |
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type: "circle", |
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radius: 50, |
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x: 0, |
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y: 0, |
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fill: { |
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type: "radial", |
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stops: [ |
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{color: "#ff6666", offset: 0}, |
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{color: "#00ffff", offset: 0.4}, |
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{color: "#000000", offset: 0.7} |
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], |
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fx: 0.1, |
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fy: 0.3, |
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r: 0.5 |
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}, |
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stroke: { |
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color: "#000" |
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} |
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});</pre> |
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<h2>Complete Example Source</h2> |
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<pre class="code prettyprint"><div id="mygraphiccontainer"></div> |
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<script> |
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YUI().use('graphics', function (Y) |
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{ |
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var mygraphic = new Y.Graphic({render:"#mygraphiccontainer"}); |
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var myrect = mygraphic.addShape({ |
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type: "rect", |
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stroke: { |
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color:"#000", |
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weight: 1 |
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}, |
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fill: { |
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type: "linear", |
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rotation: 271, |
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stops: [ |
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{color: "#ff6666", opacity: 1, offset: 0}, |
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{color: "#00ffff", opacity: 1, offset: 0.5}, |
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{color: "#000000", opacity: 1, offset: 1} |
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] |
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}, |
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width:685, |
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height:400 |
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}); |
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var mycircle = mygraphic.addShape({ |
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type: "circle", |
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radius: 50, |
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x: 0, |
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y: 0, |
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fill: { |
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type: "radial", |
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stops: [ |
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{color: "#ff6666", offset: 0}, |
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{color: "#00ffff", offset: 0.4}, |
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{color: "#000000", offset: 0.7} |
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], |
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fx: 0.1, |
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fy: 0.3, |
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r: 0.5 |
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}, |
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stroke: { |
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color: "#000" |
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} |
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}); |
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}); |
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</script></pre> |
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</div> |
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</div> |
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</div> |
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<div class="yui3-u-1-4"> |
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<div class="sidebar"> |
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<div class="sidebox"> |
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<div class="hd"> |
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<h2 class="no-toc">Examples</h2> |
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</div> |
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<div class="bd"> |
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<ul class="examples"> |
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<li data-description="Shows how to create a Graphic instance and add shapes."> |
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<a href="graphics-simple.html">Basic Graphics Implementation</a> |
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</li> |
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<li data-description="Shows how to draw lines and polygons."> |
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<a href="graphics-path.html">Basic Path</a> |
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</li> |
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<li data-description="Shows how to create linear and radial gradient fills."> |
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<a href="graphics-gradients.html">Create Gradient Fills</a> |
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</li> |
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<li data-description="Shows how to add drag to a shape."> |
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<a href="graphics-drag.html">Basic drag with graphic object</a> |
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</li> |
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<li data-description="Shows how to apply transforms to shape."> |
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<a href="graphics-transforms.html">Using Transforms</a> |
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</li> |
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<li data-description="Shows how to use a custom shape with the Graphics module."> |
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<a href="graphics-customshape.html">Custom Shape</a> |
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</li> |
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<li data-description="Shows to use the graphics api to draw a realistic glass."> |
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<a href="graphics-muddyglass.html">Transparent Glass with Shadow</a> |
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</li> |
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<li data-description="Shows to use the graphics api to draw a violin."> |
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<a href="graphics-violin.html">Complex Drawing: Violin</a> |
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</li> |
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</ul> |
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</div> |
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</div> |
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<div class="sidebox"> |
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<div class="hd"> |
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<h2 class="no-toc">Examples That Use This Component</h2> |
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</div> |
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<div class="bd"> |
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<ul class="examples"> |
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<li data-description="This example demonstrates animating an element along a curved path using bezier control points."> |
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<a href="../anim/curve.html">Animating Along a Curved Path</a> |
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</li> |
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</ul> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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<script src="../assets/vendor/prettify/prettify-min.js"></script> |
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<script>prettyPrint();</script> |
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<script> |
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YUI.Env.Tests = { |
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examples: [], |
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project: '../assets', |
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assets: '../assets/graphics', |
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name: 'graphics-gradients', |
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title: 'Create Gradient Fills', |
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newWindow: '', |
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auto: false |
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}; |
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YUI.Env.Tests.examples.push('graphics-simple'); |
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YUI.Env.Tests.examples.push('graphics-path'); |
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YUI.Env.Tests.examples.push('graphics-gradients'); |
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YUI.Env.Tests.examples.push('graphics-drag'); |
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YUI.Env.Tests.examples.push('graphics-transforms'); |
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YUI.Env.Tests.examples.push('graphics-customshape'); |
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YUI.Env.Tests.examples.push('graphics-muddyglass'); |
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YUI.Env.Tests.examples.push('graphics-violin'); |
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YUI.Env.Tests.examples.push('curve'); |
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</script> |
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<script src="../assets/yui/test-runner.js"></script> |
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</body> |
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</html> |