Hi,
I have some class like this.
class MyJPanel extends JPanel {
public void paintComponent(Graphics g ) {
super.paintComponent();
// do my own stuff here
}
}
This MyJPanel is then added to a JFrame window.
Now when I call super.paintComponent(); it clears all my window. Now I am drawing
quite complex real time waveform ( It is VERY similar to real time waveform of heart )
and I change one or two pixels each time. I cannot afford to clear everything and draw
everything with slight change again and again.
So is there a way to NOT use super.paintComponent(); as the first line in my own
paintComponent nethod ?
Second question is :
I am making calls to repaint() method repeatedly ( say once every 100 microseconds or
faster ) and I am not using super.paintComponent(); as my first line and strangly I
find that for no apparent reason some calls to my repaint() are just not getting
executed. So all of a sudden one or two marker is missing from the screen. What could
be the reason behind this ?
Will XOR (setXORMode) help ? (Instead of Double Buffering)
Thank you.
Siddharth.
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