[JAVA2D] Problem with scaling

[Praveen Kysetti]

Hi all,

I am applying scale transform operator according to the zoom coefficient. But it slows dowm the rendering of my shapes considerably. I checked the Java2d archives and found couple of posts but not one had a convincing solution. I am attaching my paint method where I do the scale transformation. Can you please help me out.

Thanks,
Regards,
Rajesh

 

**************************************************************************
public synchronized void paintComponent(Graphics g) {
   super.paintComponent(g);
   g2d = (Graphics2D)g;
   if ( source == null ) {
      g2d.setColor(Color.white);
      g2d.fillRect(0, 0, 1000, 1000);
      return;
   }
   clipBounds = g2d.getClipBounds();

   transform = AffineTransform.getTranslateInstance (0,0);
   transform.scale(zoom,zoom);

   try {
      g2d.drawRenderedImage(source.getSubImage((int)(clipBounds.x/zoom),
                     (int)(clipBounds.y/zoom),(int)(clipBounds.width/zoom),
                     (int)(clipBounds.height/zoom)), transform);

      shape i;
      for(int i1 = 0; i1 < list.size(); i1++) {
         ((shape)list.get(i1)).paint(g2d);
      }
      } catch(ArrayIndexOutOfBoundsException e) {}
      g.dispose();
}
**************************************************************************

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