299 // "buffer", that's why numBuffers - 1
300 assert numBuffers > 1;
301
302 replaceSurfaceData(numBuffers - 1, caps);
303 } catch (InvalidPipeException z) {
304 throw new AWTException(z.toString());
305 }
306 }
307
308 @Override
309 public final Image getBackBuffer() {
310 synchronized (getStateLock()) {
311 return backBuffer;
312 }
313 }
314
315 @Override
316 public void flip(int x1, int y1, int x2, int y2,
317 BufferCapabilities.FlipContents flipAction)
318 {
319 //Note: constraints must be applied. see applyConstrain().
320 platformWindow.flip(x1, y1, x2, y2, flipAction);
321 }
322
323 @Override
324 public final void destroyBuffers() {
325 final Image oldBB = getBackBuffer();
326 synchronized (getStateLock()) {
327 backBuffer = null;
328 }
329 if (oldBB != null) {
330 oldBB.flush();
331 }
332 }
333
334 @Override
335 public void setBounds(int x, int y, int w, int h, int op) {
336 if ((op & SET_CLIENT_SIZE) != 0) {
337 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
338 // instead of pulling 'insets' field up to LWComponentPeer
339 // no need to add insets since Window's notion of width and height includes insets.
340 op &= ~SET_CLIENT_SIZE;
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299 // "buffer", that's why numBuffers - 1
300 assert numBuffers > 1;
301
302 replaceSurfaceData(numBuffers - 1, caps);
303 } catch (InvalidPipeException z) {
304 throw new AWTException(z.toString());
305 }
306 }
307
308 @Override
309 public final Image getBackBuffer() {
310 synchronized (getStateLock()) {
311 return backBuffer;
312 }
313 }
314
315 @Override
316 public void flip(int x1, int y1, int x2, int y2,
317 BufferCapabilities.FlipContents flipAction)
318 {
319 final BufferedImage buffer = (BufferedImage)getBackBuffer();
320 if (buffer == null) {
321 throw new IllegalStateException("Buffers have not been created");
322 }
323 final Graphics g = getGraphics();
324 try {
325 g.drawImage(buffer, x1, y1, x2, y2, x1, y1, x2, y2, null);
326 } finally {
327 g.dispose();
328 }
329 if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
330 final Graphics2D bg = (Graphics2D) buffer.getGraphics();
331 try {
332 bg.setBackground(getBackground());
333 bg.clearRect(0, 0, buffer.getWidth(), buffer.getHeight());
334 } finally {
335 bg.dispose();
336 }
337 }
338 }
339
340 @Override
341 public final void destroyBuffers() {
342 final Image oldBB = getBackBuffer();
343 synchronized (getStateLock()) {
344 backBuffer = null;
345 }
346 if (oldBB != null) {
347 oldBB.flush();
348 }
349 }
350
351 @Override
352 public void setBounds(int x, int y, int w, int h, int op) {
353 if ((op & SET_CLIENT_SIZE) != 0) {
354 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
355 // instead of pulling 'insets' field up to LWComponentPeer
356 // no need to add insets since Window's notion of width and height includes insets.
357 op &= ~SET_CLIENT_SIZE;
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