加载位图，获得bitmapData

var loader:Loader=new Loader();

loader.contentLoaderInfo.addEventListener(Event.COMPLETE,onComplete);

try {

loader.load(new URLRequest("assets/兔年.jpg"));

}catch(e:Error) {

Alert.show(e.toString());

}

private function onComplete(event:Event):void {

var urlLoader:LoaderInfo=event.target as LoaderInfo;

var bitmap:Bitmap=urlLoader.content as Bitmap;

}

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }