🚀 go-pugleaf

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I am also having a problem with XOR drawing.  I'm trying to draw a line
that will follow the mouse pointer while the mouse is being draged.  The
line does follow the mouse, but it leaves a trail of yellow dots where
the mouse has been.  I can't figure this out.  Am I doing something
wrong or is it JDK?

John

========================= CODE ==================================
  void bevelPanel1_mousePressed(MouseEvent e)
  {
     startX = endX = e.getX();
     startY = endY = e.getY();
  }

  void bevelPanel1_mouseReleased(MouseEvent e)
  {
     endX = e.getX();
     endY = e.getY();

     Graphics g = e.getComponent().getGraphics();
     g.setXORMode( Color.yellow);
     g.drawLine(startX, startY, endX, endY );
  }

  void bevelPanel1_mouseDragged(MouseEvent e)
  {
     Graphics g = e.getComponent().getGraphics();
     // setup the drawing stuff
     g.setXORMode(Color.yellow);

     // first draw last line
     g.drawLine(startX, startY, endX, endY );

     // update the line coordinates
     endX = e.getX();
     endY = e.getY();

     // draw new line
     g.drawLine(startX, startY, endX, endY );
  }
========================= CODE ==================================


Manfred Grebler wrote:

> This seems to be a bug in JBuilder. The following code works
> as expected in JDK and Communicator. JBuilder however always
> draws in white. (Background color ist white, too.)
>
> g.setXORMode(Color.white);
> g.setColor(Color.black);
> if (oldrect!=null)
>    g.drawRect(oldrect.x, oldrect.y, oldrect.width, oldrect.height);
> g.drawRect(rect.x, rect.y, rect.width, rect.height);
>
> --
> Manfred Grebler
> iXOS Software AG - Product Development
> Bretonischer Ring 12
> D-85630 Grasbrunn
> Germany
>
> Phone: +49 89 46005-340
> E-Mail: manfred.grebler@ixos.de



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