Hi Reinhard,
I have met the same problem with you in your post in 2009 , I want to
know how you solved this problems.
I use the following statements to make the image looks transparent. but
unfortunately, the background is solid black, and hide the other background
image.
add(new Image("dynamic", new RenderedDynamicImageResource(100, 100) {
@Override
protected boolean render(Graphics2D graphics,
Attributes attrs) {
// TODO Auto-generated method stub
//setType(BufferedImage.TYPE_4BYTE_ABGR);
graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR,
0.0f));
Rectangle2D.Double rect = new
Rectangle2D.Double(0, 0, 100, 100);
graphics.fill(rect);
graphics.setColor(Color.RED);
graphics.drawString("测试", 10, 10);
return true;
}
}));
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