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Mat Groves 2013-11-02 11:37:42 +00:00
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docs/files/src_pixi_loaders_ImageLoader.js.html
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@ -2,12 +2,12 @@
<html lang="en">
<head>
<meta charset="utf-8">
<title>src&#x2F;pixi&#x2F;loaders&#x2F;ImageLoader.js - Pixi.JS</title>
<link rel="stylesheet" href="http:&#x2F;&#x2F;yui.yahooapis.com&#x2F;3.8.0&#x2F;build&#x2F;cssgrids&#x2F;cssgrids-min.css">
<link rel="stylesheet" href="..&#x2F;assets/vendor/prettify/prettify-min.css">
<link rel="stylesheet" href="..&#x2F;assets/css/main.css" id="site_styles">
<link rel="shortcut icon" type="image/png" href="..&#x2F;assets/favicon.png">
<script src="http:&#x2F;&#x2F;yui.yahooapis.com&#x2F;combo?3.8.0&#x2F;build&#x2F;yui&#x2F;yui-min.js"></script>
<title>src/pixi/loaders/ImageLoader.js - Pixi.JS</title>
<link rel="stylesheet" href="http://yui.yahooapis.com/3.9.1/build/cssgrids/cssgrids-min.css">
<link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css">
<link rel="stylesheet" href="../assets/css/main.css" id="site_styles">
<link rel="shortcut icon" type="image/png" href="../assets/favicon.png">
<script src="http://yui.yahooapis.com/combo?3.9.1/build/yui/yui-min.js"></script>
</head>
<body class="yui3-skin-sam">
@ -15,7 +15,7 @@
<div id="hd" class="yui3-g header">
<div class="yui3-u-3-4">
<h1><img src="http:&#x2F;&#x2F;www.goodboydigital.com&#x2F;pixijs&#x2F;logo_small.png" title="Pixi.JS"></h1>
<h1><img src="http://www.goodboydigital.com/pixijs/logo_small.png" title="Pixi.JS"></h1>
</div>
<div class="yui3-u-1-4 version">
@ -41,71 +41,95 @@
<div id="api-tabview-panel">
<ul id="api-classes" class="apis classes">
<li><a href="..&#x2F;classes/AssetLoader.html">AssetLoader</a></li>
<li><a href="../classes/AbstractFilter.html">AbstractFilter</a></li>
<li><a href="..&#x2F;classes/BaseTexture.html">BaseTexture</a></li>
<li><a href="../classes/AssetLoader.html">AssetLoader</a></li>
<li><a href="..&#x2F;classes/BitmapFontLoader.html">BitmapFontLoader</a></li>
<li><a href="../classes/BaseTexture.html">BaseTexture</a></li>
<li><a href="..&#x2F;classes/BitmapText.html">BitmapText</a></li>
<li><a href="../classes/BitmapFontLoader.html">BitmapFontLoader</a></li>
<li><a href="..&#x2F;classes/CanvasGraphics.html">CanvasGraphics</a></li>
<li><a href="../classes/BitmapText.html">BitmapText</a></li>
<li><a href="..&#x2F;classes/CanvasRenderer.html">CanvasRenderer</a></li>
<li><a href="../classes/BlurFilter.html">BlurFilter</a></li>
<li><a href="..&#x2F;classes/Circle.html">Circle</a></li>
<li><a href="../classes/CanvasGraphics.html">CanvasGraphics</a></li>
<li><a href="..&#x2F;classes/CustomRenderable.html">CustomRenderable</a></li>
<li><a href="../classes/CanvasRenderer.html">CanvasRenderer</a></li>
<li><a href="..&#x2F;classes/DisplayObject.html">DisplayObject</a></li>
<li><a href="../classes/Circle.html">Circle</a></li>
<li><a href="..&#x2F;classes/DisplayObjectContainer.html">DisplayObjectContainer</a></li>
<li><a href="../classes/ColorMatrixFilter.html">ColorMatrixFilter</a></li>
<li><a href="..&#x2F;classes/Ellipse.html">Ellipse</a></li>
<li><a href="../classes/CustomRenderable.html">CustomRenderable</a></li>
<li><a href="..&#x2F;classes/Graphics.html">Graphics</a></li>
<li><a href="../classes/DisplacementFilter.html">DisplacementFilter</a></li>
<li><a href="..&#x2F;classes/ImageLoader.html">ImageLoader</a></li>
<li><a href="../classes/DisplayObject.html">DisplayObject</a></li>
<li><a href="..&#x2F;classes/InteractionData.html">InteractionData</a></li>
<li><a href="../classes/DisplayObjectContainer.html">DisplayObjectContainer</a></li>
<li><a href="..&#x2F;classes/InteractionManager.html">InteractionManager</a></li>
<li><a href="../classes/Ellipse.html">Ellipse</a></li>
<li><a href="..&#x2F;classes/JsonLoader.html">JsonLoader</a></li>
<li><a href="../classes/EventTarget.html">EventTarget</a></li>
<li><a href="..&#x2F;classes/MovieClip.html">MovieClip</a></li>
<li><a href="../classes/Graphics.html">Graphics</a></li>
<li><a href="..&#x2F;classes/Point.html">Point</a></li>
<li><a href="../classes/GreyFilter.html">GreyFilter</a></li>
<li><a href="..&#x2F;classes/Polygon.html">Polygon</a></li>
<li><a href="../classes/ImageLoader.html">ImageLoader</a></li>
<li><a href="..&#x2F;classes/Rectangle.html">Rectangle</a></li>
<li><a href="../classes/InvertFilter.html">InvertFilter</a></li>
<li><a href="..&#x2F;classes/RenderTexture.html">RenderTexture</a></li>
<li><a href="../classes/JsonLoader.html">JsonLoader</a></li>
<li><a href="..&#x2F;classes/Spine.html">Spine</a></li>
<li><a href="../classes/MovieClip.html">MovieClip</a></li>
<li><a href="..&#x2F;classes/Sprite.html">Sprite</a></li>
<li><a href="../classes/PixelateFilter.html">PixelateFilter</a></li>
<li><a href="..&#x2F;classes/SpriteSheetLoader.html">SpriteSheetLoader</a></li>
<li><a href="../classes/Point.html">Point</a></li>
<li><a href="..&#x2F;classes/Stage.html">Stage</a></li>
<li><a href="../classes/Polygon.html">Polygon</a></li>
<li><a href="..&#x2F;classes/Text.html">Text</a></li>
<li><a href="../classes/PolyK._convex.html">PolyK._convex</a></li>
<li><a href="..&#x2F;classes/Texture.html">Texture</a></li>
<li><a href="../classes/PolyK._PointInTriangle.html">PolyK._PointInTriangle</a></li>
<li><a href="..&#x2F;classes/TilingSprite.html">TilingSprite</a></li>
<li><a href="../classes/PolyK.AjaxRequest.html">PolyK.AjaxRequest</a></li>
<li><a href="..&#x2F;classes/WebGLBatch.html">WebGLBatch</a></li>
<li><a href="../classes/PolyK.InteractionData.html">PolyK.InteractionData</a></li>
<li><a href="..&#x2F;classes/WebGLRenderer.html">WebGLRenderer</a></li>
<li><a href="../classes/PolyK.InteractionManager.html">PolyK.InteractionManager</a></li>
<li><a href="../classes/Rectangle.html">Rectangle</a></li>
<li><a href="../classes/RenderTexture.html">RenderTexture</a></li>
<li><a href="../classes/SepiaFilter.html">SepiaFilter</a></li>
<li><a href="../classes/Spine.html">Spine</a></li>
<li><a href="../classes/Sprite.html">Sprite</a></li>
<li><a href="../classes/SpriteSheetLoader.html">SpriteSheetLoader</a></li>
<li><a href="../classes/Stage.html">Stage</a></li>
<li><a href="../classes/Text.html">Text</a></li>
<li><a href="../classes/Texture.html">Texture</a></li>
<li><a href="../classes/TilingSprite.html">TilingSprite</a></li>
<li><a href="../classes/WebGLBatch.html">WebGLBatch</a></li>
<li><a href="../classes/WebGLRenderer.html">WebGLRenderer</a></li>
</ul>
<ul id="api-modules" class="apis modules">
<li><a href="..&#x2F;modules/PIXI.html">PIXI</a></li>
<li><a href="../modules/PIXI.html">PIXI</a></li>
</ul>
</div>
@ -142,36 +166,53 @@
<div class="apidocs">
<div id="docs-main">
<div class="content">
<h1 class="file-heading">File: src&#x2F;pixi&#x2F;loaders&#x2F;ImageLoader.js</h1>
<h1 class="file-heading">File: src/pixi/loaders/ImageLoader.js</h1>
<div class="file">
<pre class="code prettyprint linenums">
&#x2F;**
* @author Mat Groves http:&#x2F;&#x2F;matgroves.com&#x2F; @Doormat23
*&#x2F;
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
&#x2F;**
/**
* The image loader class is responsible for loading images file formats (&quot;jpeg&quot;, &quot;jpg&quot;, &quot;png&quot; and &quot;gif&quot;)
* Once the image has been loaded it is stored in the PIXI texture cache and can be accessed though PIXI.Texture.fromFrameId() and PIXI.Sprite.fromFromeId()
* When loaded this class will dispatch a &#x27;loaded&#x27; event
*
* @class ImageLoader
* @extends EventTarget
* @uses EventTarget
* @constructor
* @param {String} url The url of the image
* @param {Boolean} crossorigin
*&#x2F;
* @param url {String} The url of the image
* @param crossorigin {Boolean} Whether requests should be treated as crossorigin
*/
PIXI.ImageLoader = function(url, crossorigin)
{
PIXI.EventTarget.call(this);
/**
* The texture being loaded
*
* @property texture
* @type Texture
*/
this.texture = PIXI.Texture.fromImage(url, crossorigin);
/**
* if the image is loaded with loadFramedSpriteSheet
* frames will contain the sprite sheet frames
*
*/
this.frames = [];
};
&#x2F;&#x2F; constructor
PIXI.ImageLoader.constructor = PIXI.ImageLoader;
// constructor
PIXI.ImageLoader.prototype.constructor = PIXI.ImageLoader;
&#x2F;**
/**
* Loads image or takes it from cache
*&#x2F;
*
* @method load
*/
PIXI.ImageLoader.prototype.load = function()
{
if(!this.texture.baseTexture.hasLoaded)
@ -188,15 +229,61 @@ PIXI.ImageLoader.prototype.load = function()
}
};
&#x2F;**
/**
* Invoked when image file is loaded or it is already cached and ready to use
*
* @method onLoaded
* @private
*&#x2F;
*/
PIXI.ImageLoader.prototype.onLoaded = function()
{
this.dispatchEvent({type: &quot;loaded&quot;, content: this});
};
/**
* Loads image and split it to uniform sized frames
*
*
* @method loadFramedSpriteSheet
* @param frameWidth {Number} with of each frame
* @param frameHeight {Number} height of each frame
* @param textureName {String} if given, the frames will be cached in &lt;textureName&gt;-&lt;ord&gt; format
*/
PIXI.ImageLoader.prototype.loadFramedSpriteSheet = function(frameWidth, frameHeight, textureName)
{
this.frames = [];
var cols = Math.floor(this.texture.width / frameWidth);
var rows = Math.floor(this.texture.height / frameHeight);
var i=0;
for (var y=0; y&lt;rows; y++)
{
for (var x=0; x&lt;cols; x++,i++)
{
var texture = new PIXI.Texture(this.texture, {
x: x*frameWidth,
y: y*frameHeight,
width: frameWidth,
height: frameHeight
});
this.frames.push(texture);
if (textureName) PIXI.TextureCache[textureName+&#x27;-&#x27;+i] = texture;
}
}
if(!this.texture.baseTexture.hasLoaded)
{
var scope = this;
this.texture.baseTexture.addEventListener(&quot;loaded&quot;, function() {
scope.onLoaded();
});
}
else
{
this.onLoaded();
}
};
</pre>
</div>
@ -206,13 +293,13 @@ PIXI.ImageLoader.prototype.onLoaded = function()
</div>
</div>
</div>
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