package aether.effects.common {
          
          import aether.effects.ImageEffect;
          
          import flash.display.BitmapData;
          import flash.display.BitmapDataChannel;
          import flash.geom.Point;
          
          public class @ax-graphic-flex-image-effects-07-source-aether-effects-common-AlphaEffect extends ImageEffect {
                  
                  private var _mask:BitmapData;
          
                  public function @ax-graphic-flex-image-effects-07-source-aether-effects-common-AlphaEffect(mask:BitmapData) {
                          _mask = mask;
                  }
                  
                  override public function apply(bitmapData:BitmapData):void {
                          bitmapData.copyChannel(_mask, _mask.rect, new Point(), BitmapDataChannel.ALPHA, BitmapDataChannel.ALPHA);
                  }
  
          }
          
  }