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How to create a WaveImageFilter .

Posted on 2001-06-15
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Last Modified: 2010-03-31
Somebody know how to implements undersurface shadow effect like follow link show ,

http://ns.strategicstaff.lt/~monarch/java/edu/ImageEffect/test.html

thanks.
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Question by:bruce_luo
  • 3
  • 2
5 Comments
 
LVL 7

Expert Comment

by:Sasha_Mapa
ID: 6195598
I have written my own version of the lake effect, I've just put the source code for download from http://www.hightemplar.com/sasha/lakeeffect.zip

Sasha Maryanovsky.
0
 

Author Comment

by:bruce_luo
ID: 6197300
public class LakeTest extends Applet
{
     /**
      * This method is called when the applet is created.
      */
     private LakeComponent wave = null ;
     private Image img = null ;
     
     public void init()
     {
         
          MediaTracker mt = new MediaTracker(this) ;
          try {
               img = this.getImage(this.getCodeBase(), "java.gif") ;
               mt.addImage(img, 0) ;
               mt.waitForID(0) ;
          }
          catch (Exception e) {
               e.printStackTrace() ;
          }
         
          int w = img.getWidth(this) ;
          int h = img.getHeight(this) ;
         
         
          wave = new LakeComponent(img) ;
          this.setLayout(null) ;
          this.add(wave) ;
          wave.setBounds(w + 20, 0, w, h) ;
          wave.createAnimation() ;
          wave.startAnimation() ;
     }
     
     public void paint(Graphics g)
     {
          g.drawImage(img, 0, 0, this) ;
     }
     
     public void update(Graphics g)
     {
          paint(g) ;
     }    
}

    The wave Object isn't work, the object always display a same picture at Applet . Some parameter need config ? Something wrong ?

regards,
Bruce
0
 

Author Comment

by:bruce_luo
ID: 6197306
public class LakeTest extends Applet
{
     /**
      * This method is called when the applet is created.
      */
     private LakeComponent wave = null ;
     private Image img = null ;
     
     public void init()
     {
         
          MediaTracker mt = new MediaTracker(this) ;
          try {
               img = this.getImage(this.getCodeBase(), "java.gif") ;
               mt.addImage(img, 0) ;
               mt.waitForID(0) ;
          }
          catch (Exception e) {
               e.printStackTrace() ;
          }
         
          int w = img.getWidth(this) ;
          int h = img.getHeight(this) ;
         
         
          wave = new LakeComponent(img) ;
          this.setLayout(null) ;
          this.add(wave) ;
          wave.setBounds(w + 20, 0, w, h) ;
          wave.createAnimation() ;
          wave.startAnimation() ;
     }
     
     public void paint(Graphics g)
     {
          g.drawImage(img, 0, 0, this) ;
     }
     
     public void update(Graphics g)
     {
          paint(g) ;
     }    
}

    The wave Object isn't work, the object always display a same picture at Applet . Some parameter need config ? Something wrong ?

regards,
Bruce
0
 
LVL 7

Accepted Solution

by:
Sasha_Mapa earned 400 total points
ID: 6197722
LakeComponent displays a vertical reflection of the image, so you need to make it twice taller than the image, not the same height.

Sasha Maryanovsky.
0
 

Author Comment

by:bruce_luo
ID: 6200647
perfect source. thanks,

Bruce
0

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