root/as3/MapChipX/trunk/src/org/libspark/mapchipx/ChipInfo.as

package org.libspark.mapchipx {
        import flash.display.BitmapData;
        import flash.display.DisplayObjectContainer;
        import flash.geom.Point;
        import flash.geom.Rectangle;
        
        /**
         * ...
         * @author KAZUMiX
         */
        public class ChipInfo {
                
                private var src:DisplayObjectContainer;
                private var srcBmd:BitmapData;
                private var rect:Rectangle;
                private var isTransparent:Boolean;
                
                public function ChipInfo(src:DisplayObjectContainer, chipWidth:uint, chipHeight:uint, isTransparent:Boolean = false) {
                        this.src = src;
                        this.isTransparent = isTransparent;
                        srcBmd = new BitmapData(chipWidth, chipHeight, isTransparent);
                        rect = new Rectangle(0, 0, srcBmd.width, srcBmd.height);
                        update();
                }
                
                public function update():void {
                        srcBmd.fillRect(rect, 0x00000000);
                        srcBmd.draw(src, null, null, null, rect, false);
                }
                
                public function pasteTo(targetBmd:BitmapData, targetPoint:Point):void {
                        targetBmd.copyPixels(srcBmd, rect, targetPoint);
                }
        }
        
}