package org.papervision3d.core.effects {
          import flash.filters.BitmapFilter;
  
          import org.papervision3d.view.layer.BitmapEffectLayer;
  
          public class @ax-student-ar-org-papervision3d-core-effects-BitmapLayerEffect extends AbstractEffect{
                  
                  private var layer:BitmapEffectLayer;
                  private var filter:BitmapFilter;
                  public var isPostRender:Boolean;
                  
                  public function @ax-student-ar-org-papervision3d-core-effects-BitmapLayerEffect(filter:BitmapFilter, isPostRender:Boolean = true){
                          this.isPostRender = isPostRender;
                          this.filter = filter;
                  }
                  
                  public function updateEffect(filter:BitmapFilter):void{
                          this.filter = filter;
                  }
                  
                  public override function attachEffect(layer:BitmapEffectLayer):void{
                          
                          this.layer = BitmapEffectLayer(layer);
                          
                  }
                  
                  public override function preRender():void{
                          if(!isPostRender)
                                  layer.canvas.applyFilter(layer.canvas, layer.clippingRect, layer.clippingPoint, filter);
                          
                  }
                  public override function postRender():void{
                          if(isPostRender)
                                  layer.canvas.applyFilter(layer.canvas, layer.clippingRect, layer.clippingPoint, filter);
                          
                  }
          }
          
  }