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Mat Groves 75c7880c93 Fixed bug where setText not working correctly 
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2014-01-05 18:16:17 +00:00

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<h1 class="file-heading">File: src/pixi/loaders/AssetLoader.js</h1>
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<pre class="code prettyprint linenums">
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
/**
* A Class that loads a bunch of images / sprite sheet / bitmap font files. Once the
* assets have been loaded they are added to the PIXI Texture cache and can be accessed
* easily through PIXI.Texture.fromImage() and PIXI.Sprite.fromImage()
* When all items have been loaded this class will dispatch a &#x27;onLoaded&#x27; event
* As each individual item is loaded this class will dispatch a &#x27;onProgress&#x27; event
*
* @class AssetLoader
* @constructor
* @uses EventTarget
* @param {Array&lt;String&gt;} assetURLs an array of image/sprite sheet urls that you would like loaded
* supported. Supported image formats include &#x27;jpeg&#x27;, &#x27;jpg&#x27;, &#x27;png&#x27;, &#x27;gif&#x27;. Supported
* sprite sheet data formats only include &#x27;JSON&#x27; at this time. Supported bitmap font
* data formats include &#x27;xml&#x27; and &#x27;fnt&#x27;.
* @param crossorigin {Boolean} Whether requests should be treated as crossorigin
*/
PIXI.AssetLoader = function(assetURLs, crossorigin)
{
PIXI.EventTarget.call(this);
/**
* The array of asset URLs that are going to be loaded
*
* @property assetURLs
* @type Array&lt;String&gt;
*/
this.assetURLs = assetURLs;
/**
* Whether the requests should be treated as cross origin
*
* @property crossorigin
* @type Boolean
*/
this.crossorigin = crossorigin;
/**
* Maps file extension to loader types
*
* @property loadersByType
* @type Object
*/
this.loadersByType = {
&#x27;jpg&#x27;: PIXI.ImageLoader,
&#x27;jpeg&#x27;: PIXI.ImageLoader,
&#x27;png&#x27;: PIXI.ImageLoader,
&#x27;gif&#x27;: PIXI.ImageLoader,
&#x27;json&#x27;: PIXI.JsonLoader,
&#x27;atlas&#x27;: PIXI.AtlasLoader,
&#x27;anim&#x27;: PIXI.SpineLoader,
&#x27;xml&#x27;: PIXI.BitmapFontLoader,
&#x27;fnt&#x27;: PIXI.BitmapFontLoader
};
};
/**
* Fired when an item has loaded
* @event onProgress
*/
/**
* Fired when all the assets have loaded
* @event onComplete
*/
// constructor
PIXI.AssetLoader.prototype.constructor = PIXI.AssetLoader;
PIXI.AssetLoader.prototype._getDataType = function(str)
{
var test = &#x27;data:&#x27;;
//starts with &#x27;data:&#x27;
var start = str.slice(0, test.length).toLowerCase();
if (start === test) {
var data = str.slice(test.length);
var sepIdx = data.indexOf(&#x27;,&#x27;);
if (sepIdx === -1) //malformed data URI scheme
return null;
//e.g. &#x27;image/gif;base64&#x27; =&gt; &#x27;image/gif&#x27;
var info = data.slice(0, sepIdx).split(&#x27;;&#x27;)[0];
//We might need to handle some special cases here...
//standardize text/plain to &#x27;txt&#x27; file extension
if (!info || info.toLowerCase() === &#x27;text/plain&#x27;)
return &#x27;txt&#x27;;
//User specified mime type, try splitting it by &#x27;/&#x27;
return info.split(&#x27;/&#x27;).pop().toLowerCase();
}
return null;
};
/**
* Starts loading the assets sequentially
*
* @method load
*/
PIXI.AssetLoader.prototype.load = function()
{
var scope = this;
function onLoad() {
scope.onAssetLoaded();
}
this.loadCount = this.assetURLs.length;
for (var i=0; i &lt; this.assetURLs.length; i++)
{
var fileName = this.assetURLs[i];
//first see if we have a data URI scheme..
var fileType = this._getDataType(fileName);
//if not, assume it&#x27;s a file URI
if (!fileType)
fileType = fileName.split(&#x27;?&#x27;).shift().split(&#x27;.&#x27;).pop().toLowerCase();
var Constructor = this.loadersByType[fileType];
if(!Constructor)
throw new Error(fileType + &#x27; is an unsupported file type&#x27;);
var loader = new Constructor(fileName, this.crossorigin);
loader.addEventListener(&#x27;loaded&#x27;, onLoad);
loader.load();
}
};
/**
* Invoked after each file is loaded
*
* @method onAssetLoaded
* @private
*/
PIXI.AssetLoader.prototype.onAssetLoaded = function()
{
this.loadCount--;
this.dispatchEvent({type: &#x27;onProgress&#x27;, content: this});
if (this.onProgress) this.onProgress();
if (!this.loadCount)
{
this.dispatchEvent({type: &#x27;onComplete&#x27;, content: this});
if(this.onComplete) this.onComplete();
}
};
</pre>
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