package org.papervision3d.core.effects {
          import flash.filters.ColorMatrixFilter;
          import flash.geom.Point;
          import org.papervision3d.view.layer.BitmapEffectLayer;
          
  
          public class @ax-student-ar-org-papervision3d-core-effects-BitmapColorEffect extends AbstractEffect{
                  
                  private var layer:BitmapEffectLayer;
                  private var filter:ColorMatrixFilter;
                  
                  public function @ax-student-ar-org-papervision3d-core-effects-BitmapColorEffect(r:Number = 1, g:Number = 1, b:Number = 1, a:Number= 1){
                          
                  filter = new ColorMatrixFilter(
                  [r,0,0,0,0,
                   0,g,0,0,0,
                   0,0,b,0,0,
                   0,0,0,a,0]
                   );
                          
                  }
                  
                  public function updateEffect(r:Number = 1, g:Number = 1, b:Number = 1, a:Number= 1):void{
                          filter = new ColorMatrixFilter(
                  [r,0,0,0,0,
                   0,g,0,0,0,
                   0,0,b,0,0,
                   0,0,0,a,0]
                   );
                          
                  }
                  public override function attachEffect(layer:BitmapEffectLayer):void{
                          
                          this.layer = BitmapEffectLayer(layer);
                          
                  }
                  public override function postRender():void{
                          
                          layer.canvas.applyFilter(layer.canvas, layer.canvas.rect, new Point(), filter);
                          
                  }
          }
          
  }