var backImage:MovieClip = new MovieClip(); this.addChild (backImage); var loader:Loader = new Loader(); loader.load (new URLRequest("http://www.baidu.com/img/logo-yy.gif")); loader.contentLoaderInfo.addEventListener (Event.COMPLETE,showLoadResult); function showLoadResult (event:Event):void { var _bitmap:Bitmap = Bitmap(loader.content); var matrix:Matrix = new Matrix(1, 0, 0, 1, this.stage.stageWidth / 2, this.stage.stageHeight / 2); var sampleSprite:Sprite = new Sprite(); //sampleSprite.width=500; //sampleSprite.height=500; sampleSprite.graphics.beginBitmapFill (_bitmap.bitmapData, matrix , true , true); //sampleSprite.graphics.drawRect (this.stage.stageWidth / 2, this.stage.stageHeight / 2, _bitmap.width, _bitmap.height); sampleSprite.graphics.drawRect (0, 0, this.stage.stageWidth, this.stage.stageHeight); sampleSprite.graphics.endFill (); backImage.addChild (sampleSprite); }