[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