Thanks for the tip. I have added methods to check property changes to the size
and text.
I also read somewhere that I should not override the paintComponent method but
that I should use the paint method instead. The clip is normally set in the
paint method of JComponent.
If I do that it also works and gives the following method.
/**
*/
public void paint(final Graphics g) {
if (isEnabled()) {
super.paint(g);
return;
}
if (redraw) {
final BufferedImage buf = new BufferedImage(getWidth(),
getHeight(),
BufferedImage.TYPE_INT_RGB);
final Graphics2D g2 = (Graphics2D) buf.getGraphics();
super.paint(g2);
final float f = 0.18f;
final int heightWidth = 3;
final float[] myKernel = { 0, f, 0, f, f, f, 0, f, 0 };
final ConvolveOp op = new ConvolveOp(new
Kernel(heightWidth, heightWidth, myKernel));
img = op.filter(buf, null);
g2.dispose();
redraw = false;
}
g.drawImage(img, 0, 0, null);
}
PS. How can I post nicely formatted code?
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