source: trunk/fl5/src/com/longtailvideo/jwplayer/utils/Draw.as @ 588

package com.longtailvideo.jwplayer.utils {
        import flash.display.DisplayObject;
        import flash.display.Sprite;
        import flash.utils.getQualifiedClassName;
        import flash.display.DisplayObjectContainer;
        
        
        public class Draw {
                /**
                 * Clone a sprite / movieclip.
                 *
                 * @param tgt   Sprite to clone.
                 * @param adc   Add as child to the parent displayobject.
                 *
                 * @return              The clone; not yet added to the displaystack.
                 **/
                public static function clone(tgt:Sprite, adc:Boolean = false):DisplayObject {
                        var nam:String = getQualifiedClassName(tgt);
                        if (nam == "flash.display::MovieClip") return tgt;
                        
                        var cls:Class;
                        try {
                                cls = tgt.loaderInfo.applicationDomain.getDefinition(nam) as Class;
                        } catch (e:Error) {
                                cls = Object(tgt).constructor;
                        }
                        var dup:* = new cls();
                        dup.transform = tgt.transform;
                        dup.filters = tgt.filters;
                        dup.cacheAsBitmap = tgt.cacheAsBitmap;
                        dup.opaqueBackground = tgt.opaqueBackground;
                        dup.name = tgt.name;
                        if (adc == true) {
                                var idx:Number = tgt.parent.getChildIndex(tgt);
                                tgt.parent.addChildAt(dup, idx + 1);
                        }
                        return dup;
                }
                
                
                /**
                 * Completely clear the contents of a displayobject.
                 *
                 * @param tgt   Displayobject to clear.
                 **/
                public static function clear(tgt:DisplayObjectContainer):void {
                        var len:Number = tgt.numChildren;
                        for (var i:Number = 0; i < len; i++) {
                                tgt.removeChildAt(0);
                        }
                        tgt.scaleX = tgt.scaleY = 1;
                }
                
                
                /**
                 * Draw a rectangle on stage.
                 *
                 * @param tgt   Displayobject to add the rectangle to.
                 * @param col   Color of the rectangle.
                 * @param wid   Width of the rectangle.
                 * @param hei   Height of the rectangle.
                 * @param xps   X offset of the rectangle, defaults to 0.
                 * @param yps   Y offset of the rectangle, defaults to 0.
                 * @param alp   Alpha value of the rectangle, defaults to 0.
                 * @return              A reference to the newly drawn rectangle.
                 **/
                public static function rect(tgt:Sprite, col:String, wid:Number, hei:Number, xps:Number = 0, yps:Number = 0, alp:Number = 1):Sprite {
                        var rct:Sprite = new Sprite();
                        rct.x = xps;
                        rct.y = yps;
                        rct.graphics.beginFill(uint('0x' + col), alp);
                        rct.graphics.drawRect(0, 0, wid, hei);
                        tgt.addChild(rct);
                        return rct;
                };
        }
}