gistfile1.as

<?xml version="1.0" encoding="utf-8"?>
<mx:Module xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" creationComplete="preinit(event)" layout="vertical" width="100%" height="100%">
	<fx:Script>
		<![CDATA[
			import flash.filters.ShaderFilter;
			
			[Embed(source="assets/verticalGaussianBlur.pbj", mimeType="application/octet-stream")]  
			private var MedianSimple:Class;
			var bitmapData:BitmapData;
			
			private function preinit(e:Event):void{
				bitmapData= new BitmapData(img.width, img.height, true);
				bitmapData.draw(img);
				init(e);
			}
			
			private function init(e:Event):void{				
				var shader:Shader = new Shader(new MedianSimple());
				shader.data.src.input = bitmapData;
				shader.data.strength.value = [amountSlider.value];				          
				var res:BitmapData = new BitmapData(img.width, img.height);
				var job:ShaderJob = new ShaderJob(shader);	
				job.target = res;				
				job.start(true);
				img.addChild(new Bitmap(res));
			} 
		]]>
	</fx:Script>
	
	<mx:HBox>		    
		<mx:Grid>
			<mx:GridRow>
				<mx:GridItem>
					<mx:HBox>
						<mx:Label text="Strength" />
						<mx:HSlider id="amountSlider" minimum="0.0" maximum="1.0" labels="['0', '100%']" value=".5" liveDragging="true" change="init(event)" />
					</mx:HBox>					
				</mx:GridItem>
				<mx:GridItem>					
				</mx:GridItem>
			</mx:GridRow>
			<mx:GridRow>
				<mx:GridItem>
					<mx:VBox>
						<mx:Label text="Blurry" />
						<mx:Image id="img" source="@Embed('assets/cat.jpg')" height="375" width="500" />	
					</mx:VBox>					
				</mx:GridItem>
				
			</mx:GridRow> 
		</mx:Grid>
	</mx:HBox>
	
</mx:Module>