72e38cccb0
shaders optimised - removed need for 4x4 matrix draw elipse added any shape can now be filled
286 lines
8.5 KiB
HTML
286 lines
8.5 KiB
HTML
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<h1 class="file-heading">File: src/pixi/textures/BaseTexture.js</h1>
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<div class="file">
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<pre class="code prettyprint linenums">
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/**
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* @author Mat Groves http://matgroves.com/ @Doormat23
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*/
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PIXI.BaseTextureCache = {};
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PIXI.texturesToUpdate = [];
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PIXI.texturesToDestroy = [];
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/**
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* A texture stores the information that represents an image. All textures have a base texture
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* @class BaseTexture
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* @extends EventTarget
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* @constructor
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* @param source {String} the source object (image or canvas)
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*/
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PIXI.BaseTexture = function(source)
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{
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PIXI.EventTarget.call( this );
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/*
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* The url of the texture
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* @property imageUrl
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* @type String
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*/
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//this.imageUrl = source.src;
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/**
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* [read only] The width of the base texture set when the image has loaded
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* @property width
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* @type Number
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*/
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this.width = 100;
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/**
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* [read only] The height of the base texture set when the image has loaded
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* @property height
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* @type Number
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*/
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this.height = 100;
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/**
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* The source that is loaded to create the texture
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* @property source
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* @type Image
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*/
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this.source = source//new Image();
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if(!source)return;
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if(this.source instanceof Image)
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{
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if(this.source.complete)
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{
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this.hasLoaded = true;
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this.width = this.source.width;
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this.height = this.source.height;
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PIXI.texturesToUpdate.push(this);
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}
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else
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{
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var scope = this;
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this.source.onload = function(){
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scope.hasLoaded = true;
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scope.width = scope.source.width;
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scope.height = scope.source.height;
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// add it to somewhere...
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PIXI.texturesToUpdate.push(scope);
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scope.dispatchEvent( { type: 'loaded', content: scope } );
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}
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// this.image.src = imageUrl;
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}
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}
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else
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{
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this.hasLoaded = true;
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this.width = this.source.width;
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this.height = this.source.height;
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PIXI.texturesToUpdate.push(this);
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}
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this._powerOf2 = false;
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}
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PIXI.BaseTexture.constructor = PIXI.BaseTexture;
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PIXI.BaseTexture.prototype.destroy = function()
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{
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if(this.source instanceof Image)
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{
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this.source.src = null;
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}
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this.source = null;
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PIXI.texturesToDestroy.push(this);
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}
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/**
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*
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* Helper function that returns a base texture based on an image url
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* If the image is not in the base texture cache it will be created and loaded
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* @static
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* @method fromImage
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* @param imageUrl {String} The image url of the texture
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* @return BaseTexture
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*/
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PIXI.BaseTexture.fromImage = function(imageUrl, crossorigin)
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{
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var baseTexture = PIXI.BaseTextureCache[imageUrl];
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if(!baseTexture)
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{
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var image = new Image();
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if (crossorigin)
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{
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image.crossOrigin = '';
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}
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image.src = imageUrl;
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baseTexture = new PIXI.BaseTexture(image);
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PIXI.BaseTextureCache[imageUrl] = baseTexture;
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}
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return baseTexture;
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}
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</pre>
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