package
  {
          import __AS3__.vec.Vector;
          
          import flash.display.Bitmap;
          import flash.display.Sprite;
          import flash.display.StageAlign;
          import flash.display.StageScaleMode;
          import flash.events.MouseEvent;
          
          [SWF(backgroundColor=0xffffff)]
          public class @ax-lib-flex-animation-code-08-BitmapTrianglesUV2 extends Sprite
          {
                  [Embed(source="image.jpg")]
                  private var ImageClass:Class;
                  
                  private var handle0:Sprite;
                  private var handle1:Sprite;
                  private var handle2:Sprite;
                  private var handle3:Sprite;
                  private var vertices:Vector.<Number> = new Vector.<Number>();
                  private var uvtData:Vector.<Number> = new Vector.<Number>();
                  private var indices:Vector.<int> = new Vector.<int>();
                  private var bitmap:Bitmap;
                  
                  public function @ax-lib-flex-animation-code-08-BitmapTrianglesUV2()
                  {
                          stage.align = StageAlign.TOP_LEFT;
                          stage.scaleMode = StageScaleMode.NO_SCALE;
                          
                          handle0 = makeHandle(100, 100);
                          handle1 = makeHandle(200, 100);
                          handle2 = makeHandle(200, 200);
                          handle3 = makeHandle(100, 200);
                          
                          uvtData.push(0, 0);
                          uvtData.push(1, 0);
                          uvtData.push(1, 1);
                          uvtData.push(0, 1);
                          
                          indices.push(0, 1, 2);
                          indices.push(2, 3, 0);
                          
                          bitmap= new ImageClass() as Bitmap;
                          draw();
                  }
                  
                  private function makeHandle(xpos:Number, ypos:Number):Sprite
                  {
                          var handle:Sprite = new Sprite();
                          handle.graphics.beginFill(0);
                          handle.graphics.drawCircle(0, 0, 5);
                          handle.graphics.endFill();
                          handle.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
                          handle.x = xpos;
                          handle.y = ypos;
                          addChild(handle);
                          return handle;
                  }
                  
                  private function onMouseDown(event:MouseEvent):void
                  {
                          event.target.startDrag();
                          stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
                          stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                  }
                  
                  private function onMouseMove(event:MouseEvent):void
                  {
                          draw();
                  }
                  
                  private function onMouseUp(event:MouseEvent):void
                  {
                          stopDrag();
                          stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
                          stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                  }
                  
                  private function draw():void
                  {
                          vertices[0] = handle0.x;
                          vertices[1] = handle0.y;
                          vertices[2] = handle1.x;
                          vertices[3] = handle1.y;
                          vertices[4] = handle2.x;
                          vertices[5] = handle2.y;
                          vertices[6] = handle3.x;
                          vertices[7] = handle3.y;
                          
                          graphics.clear();
                          graphics.beginBitmapFill(bitmap.bitmapData);
                          graphics.drawTriangles(vertices, indices, uvtData);
                          graphics.endFill();
                  }
          }
  }