[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");
        }
    }

}