GrgrDvrt

package com.grgrdvrt.graphics
{
 
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.geom.Matrix;
 
	public class PixelsBitmap extends Bitmap
	{
 
		private var _imgSource:BitmapData;
		private var _res:Number = 1;
		private var _matrix:Matrix = new Matrix();
 
		public function PixelsBitmap(image:BitmapData) { bitmapData = image; }
 
 
		private function _update():void
		{
			var tempBmp:BitmapData = new BitmapData(_imgSource.width/value, _imgSource.height/value, false, 0);
			_matrix.a = _matrix.d = 1 / value;
			tempBmp.draw(_imgSource, _matrix);
			_matrix.a = _matrix.d = value;
			bitmapData.fillRect(bitmapData.rect, 0xFF000000);
			bitmapData.draw(tempBmp, _matrix);
			tempBmp.dispose();
		}
 
		public function set res(value:Number):void
		{
			_res = Math.max(1, value);
			_update();
		}
 
		public function get res():Number{ return _res }
 
		override public function set bitmapData(image:BitmapData):void
		{
			_imgSource = image;
			super.bitmapData = _imgSource.clone();
			_update();
		}
	}
}