1    // BlurFilter.java 
2    // Blurfilter is an Java2DImageFilter that blurs a BufferedImage. 
3    package j2d.filters; 
4     
5    import j2d.ImageUtils; 
6    import ip.transforms.BufferedImageProcessor; 
7     
8    import java.awt.image.BufferedImage; 
9     
10   public class BlurFilter implements BufferedImageProcessor { 
11    
12       // apply blurring filter to BufferedImage 
13       public BufferedImage process(BufferedImage bi) { 
14           // array used to blur BufferedImage 
15           float[][] blurMatrix = { 
16               {1.0f / 9.0f, 1.0f / 9.0f, 1.0f / 9.0f}, 
17               {1.0f / 9.0f, 1.0f / 9.0f, 1.0f / 9.0f}, 
18               {1.0f / 9.0f, 1.0f / 9.0f, 1.0f / 9.0f}}; 
19    
20           return ImageUtils.convolve(bi, blurMatrix); 
21    
22       } // end method processImage 
23    
24   }