exporting GLJPanel to a jpeg?

OpenGL Development JOGL Development
#1

Hello, I was wondering if anyone knew how to take a GLJPanel canvas and export (write) to a .jpg file.

#2

Hello,

I don’t know if this really works with the GLJPanel, but theoretically a snapshot of a Component in awt can be made with :


  GraphicsConfiguration gc = canvas.getGraphicsConfiguration(); 
       BufferedImage bimg = gc.createCompatibleImage(canvas.getWidth(), canvas.getHeight()); 
       canvas.paint(bimg.getGraphics());
       
       File imageFile = new File("snapshot.jpg");
       try {
         ImageIO.write(bimg, "jpg", imageFile);
       } catch (IOException ie) {
         System.err.println("can't write jpg file");      
       }

Oliver

#3

with gljpanel it sould be better to use paintComponent instead of paint
and maybe its better to call this over the awt thread… but try this only of u get only garbage

#4

Thanks, the paintComponent version worked.