[ActionScript 3.0] 自制简单拾色器

colorBoard为库中绑定的影片剪辑，colorBoard中包含影片剪辑currColor，文本colorText，影片剪辑close；

colorDot为库中绑定的影片剪辑，colorDot中包含影片剪辑dot，border；

 package
 {
     import fl.motion.Color;
     import flash.display.MovieClip;
     import flash.display.Sprite;
     import flash.events.MouseEvent;
     import flash.geom.ColorTransform;

     /**
       * ...
       * @author Frost.Yen
       */
     public class ColorPicker extends Sprite
     {
         private var _colorBoard:MovieClip;
         private var _colorArr:Array = [0,0x333333,0x666666,0x999999,0xCCCCCC,0xFFFFFF,0xFF0000,0x00FF00,0x0000FF,0xFFFF00,0x00FFFF,0xFF00FF];
         private var _colorW:Number = 10;
         private var _prevBorder:MovieClip;
         public function ColorPicker()
         {
             creatColorBoard();
         }

         private function creatColorBoard():void
         {
             _colorBoard = new colorBoard  ;
             _colorBoard.x = 150;
             _colorBoard.y = 150;
             this.addChild(_colorBoard);
             for (var i:int = 0; i < 12; i++)
             {
                 var dot1:colorDot = new colorDot  ;
                 dot1.x = 0;
                 dot1.y = i * _colorW;
                 _colorBoard.addChild(dot1);
                 setColorTransform(dot1.dot,_colorArr[i]);
                 //trace(_colorArr[i]);
                 //trace(_colorArr[i].toString(16));
                 dot1.name = String(_colorArr[i]);
                 //trace(uint(dot1.name).toString(16), "---");
                 dot1.addEventListener(MouseEvent.CLICK,onColorClick);
             }
             for (var R = 0; R < 6; R++)
             {
                 for (var G = 0; G < 6; G++)
                 {
                     for (var B = 0; B < 6; B++)
                     {
                         var dot2:colorDot = new colorDot  ;
                         dot2.x = B * _colorW + R % 3 * 6 * _colorW + _colorW;
                         dot2.y = G * _colorW + Math.floor((R / 3)) * 6 * _colorW;
                         _colorBoard.addChild(dot2);
                         var color:uint = setRGB((0x33 * R),0x33 * B,0x33 * G);
                         setColorTransform(dot2.dot,color);
                         dot2.name = String(color);
                         dot2.addEventListener(MouseEvent.CLICK,onColorClick);
                     }
                 }
             }
             _prevBorder = _colorBoard.getChildByName("0") as MovieClip.border as MovieClip;
             _colorBoard.colorText.text = "#" + "000000";
             setColorTransform(_prevBorder,0xffffff);
             setColorTransform(_colorBoard.currColor,0x000000);
             _colorBoard.getChildByName("0").parent as MovieClip.setChildIndex(_colorBoard.getChildByName("0") as MovieClip,_colorBoard.getChildByName("0") as MovieClip.parent.numChildren - 1);
             _colorBoard.close.addEventListener(MouseEvent.CLICK,onCloseColorPicker);
         }

         private function onColorClick(e:MouseEvent):void
         {

             var color:String = uint(e.currentTarget.name).toString(16);
             color = color.length == 2 ? "0000" + color:color.length == 4 ? ("00" + color):color.length == 1 ? ("00000" + color):color;
             //trace(color,"+++");
             _colorBoard.colorText.text = "#" + color;
             setColorTransform(_colorBoard.currColor,uint(("0x" + color)));
             setColorTransform(e.currentTarget.border,0xffffff);
             setColorTransform(_prevBorder,0x000000);
             _prevBorder = e.currentTarget.border as MovieClip;
             e.currentTarget.parent as MovieClip.setChildIndex(e.currentTarget as MovieClip,e.currentTarget.parent.numChildren - 1);
         }
         /**
            * 改变影片剪辑颜色值
            * @param mc
            * @param color
            */
         private function setColorTransform(mc:MovieClip,color:uint):void
         {
             var ct:ColorTransform = new ColorTransform  ;
             ct.color = color;
             mc.transform.colorTransform = ct;
         }
         /**
            * 设置RGB
            * @param r
            * @param g
            * @param b
            * @return
            */
         private function setRGB(r:Number,g:Number,b:Number):Number
         {
             return r << 16 | g << 8 | b;
         }

         private function onCloseColorPicker(e:MouseEvent):void
         {
             trace("close");
         }
     }

 }