pixi.js/docs/files/src_pixi_utils_Detector.js.html
Mat Groves 847eb6c48e Docs updated
Fixed issue where alpha not being set correctly in canvas spriteBatch
Fixed issue where previous stage events did not get removed correctly
2014-01-28 00:08:50 +00:00

251 lines
9.3 KiB
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<h1 class="file-heading">File: src/pixi/utils/Detector.js</h1>
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<pre class="code prettyprint linenums">
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
/**
* This helper function will automatically detect which renderer you should be using.
* WebGL is the preferred renderer as it is a lot faster. If webGL is not supported by
* the browser then this function will return a canvas renderer
*
* @method autoDetectRenderer
* @static
* @param width {Number} the width of the renderers view
* @param height {Number} the height of the renderers view
* @param view {Canvas} the canvas to use as a view, optional
* @param transparent=false {Boolean} the transparency of the render view, default false
* @param antialias=false {Boolean} sets antialias (only applicable in webGL chrome at the moment)
*
* antialias
*/
PIXI.autoDetectRenderer = function(width, height, view, transparent, antialias)
{
if(!width)width = 800;
if(!height)height = 600;
// BORROWED from Mr Doob (mrdoob.com)
var webgl = ( function () { try {
var canvas = document.createElement( &#x27;canvas&#x27; );
return !! window.WebGLRenderingContext &amp;&amp; ( canvas.getContext( &#x27;webgl&#x27; ) || canvas.getContext( &#x27;experimental-webgl&#x27; ) );
} catch( e ) {
return false;
}
} )();
// used to detect ie 11 - no longer required
/* if(webgl)
{
var ie = (navigator.userAgent.toLowerCase().indexOf(&#x27;trident&#x27;) !== -1);
webgl = !ie;
}
*/
if( webgl )
{
return new PIXI.WebGLRenderer(width, height, view, transparent, antialias);
}
return new PIXI.CanvasRenderer(width, height, view, transparent);
};
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