Apply filter to bitmap : Bitmap « Graphics « Flash / Flex / ActionScript

1. Flash / Flex / ActionScript
2. Graphics
3. Bitmap

Apply filter to bitmap

 
package {
    import flash.display.Sprite;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.filters.BlurFilter;
    import flash.events.Event;
    import flash.geom.Point;

    public class Main extends Sprite {
        private var _bitmap:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight,
                                 false, 0xff000000);
        private var _image:Bitmap = new Bitmap(_bitmap);
        private var _blurFilter:BlurFilter = new BlurFilter(  );
        
        public function Main(  ) {
            addChild(_image);
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }

        public function onEnterFrame(event:Event):void {
            for(var i:int = 0; i < 500; i++) {
                _bitmap.setPixel(mouseX + Math.random(  ) * 20 - 10,
                             mouseY + Math.random(  ) * 20 - 10,
                             0xffffffff);
            }
            _bitmap.applyFilter(_bitmap, _bitmap.rect, new Point(  ), _blurFilter);
        }
    }
}

        

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