Mike Chambers

package
{
	import flash.display.Bitmap;
	import flash.display.Sprite;

	// SWF Metadata
	[SWF(width="600", height="400", backgroundColor="#000000", framerate="30")]

	public class PBFilter extends Sprite
	{
		//The image to display the filter on
		[Embed(source="image.jpg")]
		private var image:Class;

		private var im:Bitmap;

		public function PBFilter():void
		{
			im = new image() as Bitmap;
			addChild(im);

			var filter:TestFilter = new TestFilter();
				filter.value = 30;

			//add the filter to the image
			im.filters = [filter];
		}

	}
}

package
{
	import flash.display.Shader;
	import flash.filters.ShaderFilter;
	import flash.utils.ByteArray;

	public class TestFilter extends ShaderFilter
	{
		//the file that contains the binary bytes of the PixelBender filter
		[Embed("testfilter.pbj", mimeType="application/octet-stream")]
		private var Filter:Class;		

		private var _shader:Shader;

		public function TestFilter(value:Number = 50)
		{
			//initialize the ShaderFilter with the PixelBender filter we
			//embedded
			_shader = new Shader(new Filter() as ByteArray);

			//set the default value
			this.value = value;
			super(_shader);
		}

		//This filter only has one value, named value
		public function get value():Number
		{
			return _shader.data.amount.value[0];
		}

		public function set value(value:Number):void
		{
			//not that pixel bender filters take an array of values, even
			//though we only have one in our example
			_shader.data.amount.value = [value];
		}		

	}
}