package away3d.loaders.parsers.data

{

	import flash.display.BitmapData;

	import flash.geom.Point;

	import flash.geom.Rectangle;



	public class DefaultBitmapData {

		

		private static var _bitmapData:BitmapData;



		public static function get bitmapData() : BitmapData

		{

			if(!_bitmapData)

				build();

				

			return _bitmapData;

		}

		

		private static function build() : void

		{

			var size:uint = 256;

			_bitmapData = new BitmapData(size,size, false, 0xFFFFFF);

			var i:uint;

			var step:int = size/8;

			var rect:Rectangle = new Rectangle(0,0,step,step);

			for(i=0;i<4;++i){

				_bitmapData.fillRect(rect, 0x000000);

				rect.x += step*2;

			}

			rect.x = 0;

			rect.width = _bitmapData.width;

			var destpt:Point = new Point(0,0);

			

			for(i=1;i<8;++i){

				destpt.x = (i%2 == 0)? 0 : step;

				destpt.y = step*i;

				_bitmapData.copyPixels(_bitmapData,rect,destpt);

			}

		}

	}

}