Java-Gaming.org    
Featured games (91)
games approved by the League of Dukes
Games in Showcase (577)
games submitted by our members
Games in WIP (498)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
 
    Home     Help   Search   Login   Register   
Pages: [1]
  ignore  |  Print  
  Last pictures of an animation not persistent  (Read 964 times)
0 Members and 1 Guest are viewing this topic.
Offline The_Ant

Innocent Bystander




Java games rock!


« Posted 2003-04-24 07:13:56 »

Hi,

I have a problem with my animation. Or to be more precise
when it's finished. I would like to see on the screen the
last image but I simply got the background of the frame.

I have a tile map and each cycle, there is a loop that call
the tiles to draw what is on itself. Here is the method that
do the job:

public void displayImageAt(String imageType, int imageIndex, int x, int y) {
   
   ImageIcon imageIcon;
   Image image;
   int index;
   int width, height;
   
   image = imagesDescriptor.getImageByName(imageType,imageIndex);
   // instead of storing Images, I'd better store ImageIcon
   // to avoid this studip instance creation each time!
   imageIcon = new ImageIcon(image);
   
   width = imagesDescriptor.getElementSize();
   height = imagesDescriptor.getElementSize();
   
   if (jPanel==null) {
       // null for no Layout Manager
       // true for dubbleBuffered
       jPanel = new JPanel(null,true);
       jPanel.setOpaque(false);
       frame.setContentPane(jPanel);
   }
   Dimension dim = jPanel.getSize();
   RepaintManager rm = RepaintManager.currentManager(jPanel);
   Image off = rm.getOffscreenBuffer(jPanel, dim.width, dim.height);
   Graphics og = off.getGraphics();
   Graphics g = jPanel.getGraphics();
   if (og!=null) {
       try {
           imageIcon.paintIcon(jPanel,  og,y*height, x*width);
           g.setClip(y*width,x*height,width, height);
           g.drawImage(off,0,0,jPanel);
       }
       finally {
           og.dispose();
           g.dispose();
       }
   }
   frame.setVisible(true);
   
}

Yes, it's not very clean (creation of ImageIcon each time, but
that's not the problem here, I'll fix it later).
My problem is that when the simulation cycle stops the frame doesn't
keep the last tiles diplayed but the background of the frame.

What should I do to fix that?

The frame is created in the constructor of my class like this:

frame = new JFrame("Environment Display");
frame.addWindowListener(new WindowAdapter() {
   public void windowClosing(WindowEvent e) {

System.exit(0);
   }
});

frame.setBounds(120,120, 450,520);
frame.setVisible(true);

and jPanel is a JPanel attribute of my class.

All propositions accepted. :)

Greetings,

The Ant.
Pages: [1]
  ignore  |  Print  
 
 
You cannot reply to this message, because it is very, very old.

 

Add your game by posting it in the WIP section,
or publish it in Showcase.

The first screenshot will be displayed as a thumbnail.

xsi3rr4x (22 views)
2014-04-15 18:08:23

BurntPizza (17 views)
2014-04-15 03:46:01

UprightPath (31 views)
2014-04-14 17:39:50

UprightPath (15 views)
2014-04-14 17:35:47

Porlus (31 views)
2014-04-14 15:48:38

tom_mai78101 (57 views)
2014-04-10 04:04:31

BurntPizza (115 views)
2014-04-08 23:06:04

tom_mai78101 (214 views)
2014-04-05 13:34:39

trollwarrior1 (182 views)
2014-04-04 12:06:45

CJLetsGame (189 views)
2014-04-01 02:16:10
List of Learning Resources
by Longarmx
2014-04-08 03:14:44

Good Examples
by matheus23
2014-04-05 13:51:37

Good Examples
by Grunnt
2014-04-03 15:48:46

Good Examples
by Grunnt
2014-04-03 15:48:37

Good Examples
by matheus23
2014-04-01 18:40:51

Good Examples
by matheus23
2014-04-01 18:40:34

Anonymous/Local/Inner class gotchas
by Roquen
2014-03-11 15:22:30

Anonymous/Local/Inner class gotchas
by Roquen
2014-03-11 15:05:20
java-gaming.org is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑gaming.org
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!