package aether.textures.natural {
          
          import aether.textures.ITexture;
          import aether.utils.Adjustments;
          import aether.utils.ImageUtil;
          import aether.utils.MathUtil;
          
          import flash.display.BitmapData;
          import flash.display.BlendMode;
          import flash.filters.BlurFilter;
          
          public class @ax-graphic-flex-image-effects-07-source-aether-textures-natural-StarsTexture implements ITexture {
                  
                  private var _density:Number;
                  private var _width:Number;
                  private var _height:Number;
                  
                  public function @ax-graphic-flex-image-effects-07-source-aether-textures-natural-StarsTexture(width:Number, height:Number, density:Number=.5) {
                          _density = MathUtil.clamp(density, 0, 1);
                          _width = width;
                          _height = height;
                  }
          
                  public function draw():BitmapData {
                          var noise:BitmapData = new BitmapData(_width, _height, false);
                          var perlin:BitmapData = noise.clone();
                          noise.noise(int(new Date()), 0, 255, 7, true);
                          ImageUtil.applyFilter(noise, new BlurFilter(2, 2));
                          var black:uint = 160 - 80*_density;
                          var mid:uint = (200 - black)/2 + black;
                          Adjustments.setLevels(noise, black, mid, 200);
                          perlin.perlinNoise(50, 50, 2, Math.random(), false, true, 7, true);
                          noise.draw(perlin, null, null, BlendMode.MULTIPLY);
                          perlin.dispose();
                          return noise;
                  }
          
          }
          
  }