<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>src/pixi/Sprite.js - Pixi.JS</title>
<link rel="stylesheet" href="http://yui.yahooapis.com/3.8.0/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?3.8.0/build/yui/yui-min.js"></script>
</head>
<body class="yui3-skin-sam">
<div id="doc">
<div id="hd" class="yui3-g header">
<div class="yui3-u-3-4">
<h1><img src="http://www.goodboydigital.com/pixijs/logo_small.png" title="Pixi.JS"></h1>
</div>
<div class="yui3-u-1-4 version">
<em>API Docs for: 1.0.0</em>
</div>
</div>
<div id="bd" class="yui3-g">
<div class="yui3-u-1-4">
<div id="docs-sidebar" class="sidebar apidocs">
<div id="api-list">
<h2 class="off-left">APIs</h2>
<div id="api-tabview" class="tabview">
<ul class="tabs">
<li><a href="#api-classes">Classes</a></li>
<li><a href="#api-modules">Modules</a></li>
</ul>
<div id="api-tabview-filter">
<input type="search" id="api-filter" placeholder="Type to filter APIs">
</div>
<div id="api-tabview-panel">
<ul id="api-classes" class="apis classes">
<li><a href="../classes/AssetLoader.html">AssetLoader</a></li>
<li><a href="../classes/BaseTexture.html">BaseTexture</a></li>
<li><a href="../classes/BitmapFontLoader.html">BitmapFontLoader</a></li>
<li><a href="../classes/BitmapText.html">BitmapText</a></li>
<li><a href="../classes/CanvasRenderer.html">CanvasRenderer</a></li>
<li><a href="../classes/CustomRenderable.html">CustomRenderable</a></li>
<li><a href="../classes/DisplayObject.html">DisplayObject</a></li>
<li><a href="../classes/DisplayObjectContainer.html">DisplayObjectContainer</a></li>
<li><a href="../classes/ImageLoader.html">ImageLoader</a></li>
<li><a href="../classes/InteractionData.html">InteractionData</a></li>
<li><a href="../classes/InteractionManager.html">InteractionManager</a></li>
<li><a href="../classes/MovieClip.html">MovieClip</a></li>
<li><a href="../classes/Point.html">Point</a></li>
<li><a href="../classes/Rectangle.html">Rectangle</a></li>
<li><a href="../classes/RenderTexture.html">RenderTexture</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="../modules/PIXI.html">PIXI</a></li>
</ul>
</div>
</div>
</div>
</div>
</div>
<div class="yui3-u-3-4">
<div id="api-options">
Show:
<label for="api-show-inherited">
<input type="checkbox" id="api-show-inherited" checked>
Inherited
</label>
<label for="api-show-protected">
<input type="checkbox" id="api-show-protected">
Protected
</label>
<label for="api-show-private">
<input type="checkbox" id="api-show-private">
Private
</label>
<label for="api-show-deprecated">
<input type="checkbox" id="api-show-deprecated">
Deprecated
</label>
</div>
<div class="apidocs">
<div id="docs-main">
<div class="content">
<h1 class="file-heading">File: src/pixi/Sprite.js</h1>
<div class="file">
<pre class="code prettyprint linenums">
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
PIXI.blendModes = {};
PIXI.blendModes.NORMAL = 0;
PIXI.blendModes.SCREEN = 1;
/**
@class Sprite
@extends DisplayObjectContainer
@constructor
@param texture {Texture}
@type String
*/
PIXI.Sprite = function(texture)
{
PIXI.DisplayObjectContainer.call( this );
/**
* The anchor sets the origin point of the texture.
* The default is 0,0 this means the textures origin is the top left
* Setting than anchor to 0.5,0.5 means the textures origin is centered
* Setting the anchor to 1,1 would mean the textures origin points will be the bottom right
* @property anchor
* @type Point
*/
this.anchor = new PIXI.Point();
/**
* The texture that the sprite is using
* @property texture
* @type Texture
*/
this.texture = texture;
/**
* The blend mode of sprite.
* currently supports PIXI.blendModes.NORMAL and PIXI.blendModes.SCREEN
* @property blendMode
* @type uint
*/
this.blendMode = PIXI.blendModes.NORMAL;
/**
* The width of the sprite (this is initially set by the texture)
* @property width
* @type #Number
*/
this._width = 0;
/**
* The height of the sprite (this is initially set by the texture)
* @property height
* @type #Number
*/
this._height = 0;
if(texture.baseTexture.hasLoaded)
{
this.updateFrame = true;
}
else
{
this.onTextureUpdateBind = this.onTextureUpdate.bind(this);
this.texture.addEventListener( 'update', this.onTextureUpdateBind );
}
this.renderable = true;
// thi next bit is here for the docs...
}
// constructor
PIXI.Sprite.constructor = PIXI.Sprite;
PIXI.Sprite.prototype = Object.create( PIXI.DisplayObjectContainer.prototype );
// OOH! shiney new getters and setters for width and height
// The width and height now modify the scale (this is what flash does, nice and tidy!)
Object.defineProperty(PIXI.Sprite.prototype, 'width', {
get: function() {
return this.scale.x * this.texture.frame.width;
},
set: function(value) {
this.scale.x = value / this.texture.frame.width
this._width = value;
}
});
Object.defineProperty(PIXI.Sprite.prototype, 'height', {
get: function() {
return this.scale.y * this.texture.frame.height;
},
set: function(value) {
this.scale.y = value / this.texture.frame.height
this._height = value;
}
});
/**
@method setTexture
@param texture {Texture} The PIXI texture that is displayed by the sprite
*/
PIXI.Sprite.prototype.setTexture = function(texture)
{
// stop current texture;
if(this.texture.baseTexture != texture.baseTexture)
{
this.textureChange = true;
}
this.texture = texture;
this.updateFrame = true;
}
/**
* @private
*/
PIXI.Sprite.prototype.onTextureUpdate = function(event)
{
//this.texture.removeEventListener( 'update', this.onTextureUpdateBind );
// so if _width is 0 then width was not set..
if(this._width)this.scale.x = this._width / this.texture.frame.width;
if(this._height)this.scale.y = this._height / this.texture.frame.height;
this.updateFrame = true;
}
// some helper functions..
/**
*
* Helper function that creates a sprite that will contain a texture from the TextureCache based on the frameId
* The frame ids are created when a Texture packer file has been loaded
* @method fromFrame
* @static
* @param frameId {String} The frame Id of the texture in the cache
* @return {Sprite} A new Sprite using a texture from the texture cache matching the frameId
*/
PIXI.Sprite.fromFrame = function(frameId)
{
var texture = PIXI.TextureCache[frameId];
if(!texture)throw new Error("The frameId '"+ frameId +"' does not exist in the texture cache" + this);
return new PIXI.Sprite(texture);
}
/**
*
* Helper function that creates a sprite that will contain a texture based on an image url
* If the image is not in the texture cache it will be loaded
* @method fromImage
* @static
* @param The image url of the texture
* @return {Sprite} A new Sprite using a texture from the texture cache matching the image id
*/
PIXI.Sprite.fromImage = function(imageId)
{
var texture = PIXI.Texture.fromImage(imageId);
return new PIXI.Sprite(texture);
}
</pre>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script src="../assets/vendor/prettify/prettify-min.js"></script>
<script>prettyPrint();</script>
<script src="../assets/js/yui-prettify.js"></script>
<script src="../assets/../api.js"></script>
<script src="../assets/js/api-filter.js"></script>
<script src="../assets/js/api-list.js"></script>
<script src="../assets/js/api-search.js"></script>
<script src="../assets/js/apidocs.js"></script>
</body>
</html>
