protected final void setAccelerationPriority(float priority) {
accelerationPriority = priority;
Image image = offscreenImageReference.get();
if (image != null) image.setAccelerationPriority(accelerationPriority);
}
protected final void paintComponent(Graphics g) {
if (bufferType != BUFFER_NONE) { // Painting to an offscreen image
// Determine offscreen image state
int imageState = updateOffscreenImage();
// Offscreen image has to be recreated
if (imageState == VolatileImage.IMAGE_INCOMPATIBLE) {
// Create new offscreen image
offscreenImage = createOffscreenImage();
// Return if VolatileImage not supported
if (offscreenImage == null) return;
// Set image acceleration
offscreenImage.setAccelerationPriority(accelerationPriority);
// Weakly reference new offscreen image
offscreenImageReference = new WeakReference(offscreenImage);
// Set IMAGE_RESTORED flag to repaint the offscreen image
imageState = VolatileImage.IMAGE_RESTORED;
// try {
// Graphics2D gr = (Graphics2D)offscreenImage.getGraphics();
//
// // These commands cause the Graphics2D object to clear to (0,0,0,0).
// gr.setComposite(AlphaComposite.Src);
// gr.setColor(Color.black);
// gr.fillRect(0, 0, getWidth(), getHeight()); // Clears the image.
//
//// g.drawImage(bimage,null,0,0);
// } finally {
// // It's always best to dispose of your Graphics objects.
// g.dispose();
// }
}
// Offscreen image has to be repainted
if (imageState == VolatileImage.IMAGE_RESTORED)
invalidOffscreenArea.setBounds(0, 0, getWidth(), getHeight());
// Update the offscreen image if needed
if (isDirty()) {
Graphics offscreenGraphics = offscreenImage.getGraphics();
try {
paintComponent(offscreenGraphics, invalidOffscreenArea);
} finally {
offscreenGraphics.dispose();
}
}
// Paint the offscreen image to onscreen graphics
g.drawImage(offscreenImage, 0, 0, null);
// try {
//
// javax.imageio.ImageIO.write((java.awt.image.BufferedImage)offscreenImage, "png", new
// java.io.File("C:\\Temp\\debugimg\\image" + System.currentTimeMillis() + ".png"));
// } catch (Exception e) {System.err.println(e);}
} else { // Painting directly to the provided Graphics
// Resolve clipping rectangle
Rectangle clipRect = g.getClipBounds();
if (clipRect == null) clipRect = new Rectangle(0, 0, getWidth(), getHeight());
// Paint directly to the Graphics
paintComponent(g, clipRect);
}
invalidOffscreenArea.setBounds(0, 0, 0, 0);
}
/* */ public void setAccelerationPriority(float paramFloat) {
/* 327 */ super.setAccelerationPriority(paramFloat);
/* 328 */ ImageRepresentation localImageRepresentation = getImageRep();
/* 329 */ localImageRepresentation.setAccelerationPriority(this.accelerationPriority);
/* */ }
