Chapter 37 Example 6

/**
 * Copyright actionscriptbible ( http://wonderfl.net/user/actionscriptbible )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/joaQ
 */

package {
  import flash.display.Sprite;
  import flash.filters.ColorMatrixFilter;

  public class ch37ex6 extends Sprite {
    function ch37ex6() {
      var original:TestImage = new TestImage(0.3);
      var a:TestImage = new TestImage(0.3, 150);
      var b:TestImage = new TestImage(0.3, 300);
      addChild(original);
      addChild(a);
      addChild(b);
      //brighten method 1: scale
      var aMatrix:Array = [2, 0, 0, 0, 0,
                           0, 2, 0, 0, 0,
                           0, 0, 2, 0, 0,
                           0, 0, 0, 1, 0];
      a.filters = [new ColorMatrixFilter(aMatrix)];
      //brighten method 2: offset
      var bMatrix:Array = [1, 0, 0, 0, 60,
                           0, 1, 0, 0, 60,
                           0, 0, 1, 0, 60,
                           0, 0, 0, 1, 0];
      b.filters = [new ColorMatrixFilter(bMatrix)];
    }
  }
}
import flash.display.Loader;
import flash.net.URLRequest;
import flash.system.LoaderContext;
class TestImage extends Loader {
  public function TestImage(scale:Number = 1, x:Number = 0, y:Number = 0) {
    //photo   (CC-BY) Roger Braunstein
    //source  http://www.flickr.com/photos/rogerimp/2940373537/
    var url:String = "http://actionscriptbible.com/files/heiwadoori.jpg";
    load(new URLRequest(url), new LoaderContext(true));
    scaleX = scaleY = scale;
    this.x = x; this.y = y;
  }
}