anaglyph 3d

package {
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.BitmapDataChannel;
	import flash.display.BlendMode;
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.geom.ColorTransform;
	import flash.geom.Matrix;
	import flash.geom.Point;
	import flash.geom.Rectangle;
 
	public class Work extends Sprite
	{
		[Embed(source="image.jpg")]
		private var Image1:Class;
 
		[Embed(source="alpha.jpg")]
		private var Image2:Class;
 
 
		private var tx:Number = 10;
		private var ty:Number = 10;
 
		public function Work()
		{
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP;
			test1();
			test2();
			test3();
		}
 
		private function test1():void
		{
			var source:BitmapData = (new Image1() as Bitmap).bitmapData;
 
			var offset:Matrix = new Matrix();
 
			var bmd:BitmapData = new BitmapData(source.width-tx,source.height-ty,source.transparent,0xFF0000);
 
 			bmd.copyChannel(source,new Rectangle(tx,ty,source.width,source.height),new Point(0,0), BitmapDataChannel.RED,BitmapDataChannel.RED);
			bmd.draw(source,offset, new ColorTransform(0),BlendMode.DIFFERENCE );
 
			addChild( new Bitmap(bmd) );			
		}
 
 
		private function test2():void
		{
			var source:BitmapData = (new Image1() as Bitmap).bitmapData;
 
			var offset:Matrix = new Matrix();
			offset.translate(tx,ty);
 
			var bmd:BitmapData = source.clone();
 
 			bmd.copyChannel(source,source.rect,new Point(0,0), BitmapDataChannel.BLUE,BitmapDataChannel.RED);
 			bmd.copyChannel(source,source.rect,new Point(0,0), BitmapDataChannel.GREEN,BitmapDataChannel.RED);
 
 			bmd.copyChannel(source,source.rect,new Point(-tx,-ty), BitmapDataChannel.ALPHA,BitmapDataChannel.ALPHA);
 			bmd.copyChannel(source,source.rect,new Point(-tx,-ty), BitmapDataChannel.RED,BitmapDataChannel.RED);
 
			addChild( new Bitmap(bmd) ).y = 200;			
		}
 
		private function test3():void
		{
			var source:BitmapData = (new Image2() as Bitmap).bitmapData;
 
			var offset:Matrix = new Matrix();
			offset.translate(tx,ty);
 
			var bmd:BitmapData = source.clone();
 
 			bmd.copyChannel(source,source.rect,new Point(0,0), BitmapDataChannel.BLUE,BitmapDataChannel.RED);
 			bmd.copyChannel(source,source.rect,new Point(0,0), BitmapDataChannel.GREEN,BitmapDataChannel.RED);
 			bmd.copyChannel(source,source.rect,new Point(-tx,-ty), BitmapDataChannel.ALPHA,BitmapDataChannel.ALPHA);
 			bmd.copyChannel(source,source.rect,new Point(-tx,-ty), BitmapDataChannel.RED,BitmapDataChannel.RED);
 
			addChild( new Bitmap(bmd) ).y = 400;			
		}
 
	}
}