private void paintToImage(
final BufferedImage img, final int x, final int y, final int width, final int height) {
// clear the prior image
Graphics2D imgG = (Graphics2D) img.getGraphics();
imgG.setComposite(AlphaComposite.Clear);
imgG.setColor(Color.black);
imgG.fillRect(0, 0, width + blur * 2, height + blur * 2);
final int adjX = (int) (x + blur + offsetX + (insets.left * distance));
final int adjY = (int) (y + blur + offsetY + (insets.top * distance));
final int adjW = (int) (width - (insets.left + insets.right) * distance);
final int adjH = (int) (height - (insets.top + insets.bottom) * distance);
// let the delegate paint whatever they want to be blurred
imgG.setComposite(AlphaComposite.DstAtop);
if (prePainter != null) prePainter.paint(imgG, adjX, adjY, adjW, adjH);
imgG.dispose();
// blur the prior image back into the same pixels
imgG = (Graphics2D) img.getGraphics();
imgG.setComposite(AlphaComposite.DstAtop);
imgG.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
imgG.setRenderingHint(
RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
imgG.drawImage(img, blurOp, 0, 0);
if (postPainter != null) postPainter.paint(imgG, adjX, adjY, adjW, adjH);
imgG.dispose();
}
@Override
public void paint(Graphics g, JComponent c) {
Gripper gripper = (Gripper) c;
paintBackground(g, gripper);
int state = gripper.isSelected() ? ThemePainter.STATE_SELECTED : ThemePainter.STATE_DEFAULT;
if (_gripperPainter == null) {
getPainter()
.paintGripper(
c,
g,
new Rectangle(0, 0, c.getWidth(), c.getHeight()),
gripper.getOrientation(),
state);
} else {
_gripperPainter.paint(
c, g, new Rectangle(0, 0, c.getWidth(), c.getHeight()), gripper.getOrientation(), state);
}
}
