[flexcoders] Re: how to get the Bitmap/BitmapData of controls

[sn197412]

Hi.

I have a similar question too.
I'm writing sample code like below.
But I cant't find out "Converting mx:Image to Bitmap".
How should I ???
Please tell me.

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; xmlns="*"
layout="absolute" creationComplete="initApp()">
<mx:Script>
  <![CDATA[
    
    import flash.display.Sprite;
    import flash.events.MouseEvent;
    import flash.display.Shape;
    import flash.util.trace;
    
    private function initApp():void
    {
      var child:Sprite = new Sprite();
      child.addEventListener(MouseEvent.MOUSE_DOWN,mouseDownHandler);
      child.addEventListener(MouseEvent.MOUSE_UP,mouseUpHandler);
      child.graphics.beginFill(0xffffff);
      child.graphics.drawRect(0,0,200,200);
      child.graphics.endFill();
      child.width = 200;
      child.height = 200;
      cvs.addChild(child);
    }
    
    private function mouseDownHandler(event:MouseEvent):void {
            var child:Sprite = Sprite(event.target);
            child.addEventListener(MouseEvent.MOUSE_MOVE,
mouseMoveHandler);
        }

        private function mouseUpHandler(event:MouseEvent):void {
            var child:Sprite = Sprite(event.target);
            child.removeEventListener(MouseEvent.MOUSE_MOVE,
mouseMoveHandler);
        }
        
        private function mouseMoveHandler(event:MouseEvent):void {
            writeDot(event);
            event.updateAfterEvent();
        }
    
    private function writeDot(event:MouseEvent):void
    {
      var sp:Shape = new Shape();
      sp.graphics.beginFill(0x0000ff);
      sp.graphics.drawRect(0,0,2,2);
      sp.graphics.endFill();
      sp.x = event.currentTarget.mouseX;
      sp.y = event.currentTarget.mouseY;
      var child:Sprite = Sprite(event.target);
      child.addChild(sp);
    }
    
    private function controlToBitamap(event:MouseEvent):void
    {
      // How should I write for converting mx:Image to Bitmap ??
    }
    
  ]]>
</mx:Script>
  <mx:Button x="10" y="218" label="Button"
click="controlToBitamap(event)"/>
  <mx:Image id="cvs" x="10" y="10" width="200" height="200"/>
  
</mx:Application>






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