filters+flatten test is fine...

package 
{
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.Shape;
	import flash.events.TimerEvent;
	import flash.geom.Matrix;
	import flash.utils.Timer;
	
	import starling.display.Image;
	import starling.display.Sprite;
	import starling.events.TouchEvent;
	import starling.filters.BlurFilter;
	
	
	public class TestingRoot extends Sprite
	{
		
		private var images:Array;
		
		public function TestingRoot()
		{
			super();
				
		}
		
		public function startApp():void
		{
			var img:Image;
			var timer:Timer;
			
			images = new Array();
			
			img = getImage('circle', 0xFF0000);
			images.push(img);
			addChild(img);
			
			img = getImage('rect', 0x00FF00);
			images.push(img);
			addChild(img);
			
			img = getImage('circle', 0x0000FF);
			images.push(img);
			addChild(img);
			
			img = getImage('rect', 0xFFFF00);
			images.push(img);
			addChild(img);
			
			
			timer = new Timer(500);
			timer.addEventListener(TimerEvent.TIMER, timerStep);
			timer.start();
		}
		
		private function timerStep(evt:TimerEvent = null) {
			var img:Image;
			
			images.push(images.shift());
			
			removeChildren();
			
			//Add them back with new order
			for each(img in images) {
				addChild(img);
			}
			
			flatten();
		}
		
		private function getImage(type:String, color:uint):Image {
			var bmd:BitmapData;
			var shape:Shape;
			var bmp:Bitmap;
			var img:Image;
			var size:uint = randomIntegerBetween(100, 300);
			var mat:Matrix = null;
			
			shape = new Shape();
			shape.graphics.beginFill(color);
			if(type == 'rect') {
				shape.graphics.drawRect(0,0,size,size);
			} else {
				shape.graphics.drawCircle(0,0,size/2);
				mat = new Matrix();
				mat.translate(size/2, size/2);
			}
			shape.graphics.endFill();
			
			bmd = new BitmapData(shape.width, shape.height,true, 0);
			bmd.draw(shape, mat);
			bmp = new Bitmap(bmd);
			
			img = Image.fromBitmap(bmp);
			img.x = 500;
			img.y = 200;
			img.filter = BlurFilter.createDropShadow(); 
			img.addEventListener(TouchEvent.TOUCH,onTouchHandler);
			
			bmd.dispose();
			
			return(img);
			
		}
		
		private function onTouchHandler(evt:TouchEvent) {
			
		}
		private function randomIntegerBetween(min:int,max:int):int {
			return(min + Math.round(Math.random()*(max-min)));
		}
				
	}
}