[转] MovieClip转Bitmap方法

 package {
  import flash.display.Bitmap;
  import flash.display.BitmapData;
  import flash.display.Loader;
  import flash.display.LoaderInfo;
  import flash.display.MovieClip;
  import flash.display.Sprite;
  import flash.display.StageAlign;
  import flash.events.Event;
  import flash.net.URLRequest;
  import flash.system.System;
  public class test extends Sprite
  {
   private const FILE_PATH:String = "swf/2.swf";
   private const CLASS_NAME:String = "Ball";

   private var loader:Loader;
   private var request:URLRequest;

   public function test()
   {
    loader = new Loader();
    request = new URLRequest(FILE_PATH);
    loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
    loader.load(request);
    this.stage.align=StageAlign.TOP_LEFT;

   }
   private function onComplete (event:Event):void {
    var loadedSWFInfo:LoaderInfo = event.target as LoaderInfo;   

    var loadedSWF:MovieClip = loadedSWFInfo.content as MovieClip;

    trace(loadedSWF.framesLoaded);
    loadedSWF.stop();
    loadedSWF.x=0;
    loadedSWF.y=0;
    this.addChild(loadedSWF);
    trace(System.totalMemory);
    loadedSWF.cacheAsBitmap=true;
    //loadedSWF.getRect();
    var bitmap:BitmapData=new BitmapData(loadedSWF.width,loadedSWF.height);

    loadedSWF.gotoAndStop(2);
    bitmap.draw(loadedSWF);
    var bb:Bitmap= new Bitmap(bitmap);
    this.addChild(bb);
    this.removeChild(loadedSWF);
    trace(System.totalMemory);
   }
  }
 }

转载自：http://blog.sina.com.cn/s/blog_4c53883d0100a7jq.html