package aeon.animators {
          
          import aeon.Animation;
          import aeon.easing.Linear;
          import aeon.events.AnimationEvent;
  
          import flash.display.DisplayObject;
          import flash.geom.ColorTransform;
  
          public class @ax-graphic-flex-image-effects-07-source-aeon-animators-ColorTransformer extends Animation {
  
                  private var _tween:Tweener;
                  private var _target:DisplayObject;
                  private var _startTransform:ColorTransform;
                  private var _endTransform:ColorTransform;
                  private var _time:Number;
                  private var _easeFunction:Function;
  
                  public function @ax-graphic-flex-image-effects-07-source-aeon-animators-ColorTransformer(
                          target:DisplayObject,
                          startTransform:ColorTransform=null,
                          endTransform:ColorTransform=null,
                          time:Number=1000,
                          easeFunction:Function=null
                  ) {
                          _target = target;
                          _time = time;
                          if (easeFunction == null) easeFunction = Linear.easeNone;
                          _easeFunction = easeFunction;
                          _startTransform = startTransform || new ColorTransform(0, 0, 0, 1, 255, 255, 255, 0);
                          _endTransform = endTransform || new ColorTransform();
                  }
          
                  private function makeTransform(transform:ColorTransform):Object {
                          var object:Object = {
                                  ra:transform.redMultiplier,
                                  rb:transform.redOffset,
                                  ga:transform.greenMultiplier,
                                  gb:transform.greenOffset,
                                  ba:transform.blueMultiplier,
                                  bb:transform.blueOffset,
                                  aa:transform.alphaMultiplier,
                                  ab:transform.alphaOffset
                          };
                          return object;
                  }
  
                  private function onEndTween(event:AnimationEvent):void {
                          _target.transform.colorTransform = _endTransform;
                          stop();
                          dispatchEvent(new AnimationEvent(AnimationEvent.END));
                  }
          
                  private function onChangeTween(event:AnimationEvent):void {
                          var value:Object = _tween.currentValue;
                          _target.transform.colorTransform = new ColorTransform(
                                  value.ra,
                                  value.ga,
                                  value.ba,
                                  value.aa,
                                  value.rb|0,
                                  value.gb|0,
                                  value.bb|0,
                                  value.ab
                          );
                          dispatchEvent(new AnimationEvent(AnimationEvent.CHANGE));
                  }
                  
                  override public function stop():void {
                          super.stop();
                          _tween.removeEventListener(AnimationEvent.CHANGE, onChangeTween);
                          _tween.removeEventListener(AnimationEvent.END, onEndTween);
                          _tween.stop();
                  }
          
                  override public function start():void {
                          _target.transform.colorTransform = _startTransform;
                          _tween = new Tweener(null, makeTransform(_startTransform), makeTransform(_endTransform), _time, _easeFunction);
                          _tween.addEventListener(AnimationEvent.CHANGE, onChangeTween);
                          _tween.addEventListener(AnimationEvent.END, onEndTween);
                          _tween.start();
                          super.start();
                  }
  
          }
  
  }