private void gcChanged() {
GCWrapper wrap = (GCWrapper) gcSelection.getSelectedItem();
// assert wrap != null;
GraphicsConfiguration gc = wrap.getGC();
// assert gc != null;
// Image Caps
ImageCapabilities imageCaps = gc.getImageCapabilities();
imageAccelerated.setSelected(imageCaps.isAccelerated());
imageTrueVolatile.setSelected(imageCaps.isTrueVolatile());
// Buffer Caps
BufferCapabilities bufferCaps = gc.getBufferCapabilities();
flipping.setSelected(bufferCaps.isPageFlipping());
flippingMethod.setText(getFlipText(bufferCaps.getFlipContents()));
fullScreen.setSelected(bufferCaps.isFullScreenRequired());
multiBuffer.setSelected(bufferCaps.isMultiBufferAvailable());
// Front buffer caps
imageCaps = bufferCaps.getFrontBufferCapabilities();
fbAccelerated.setSelected(imageCaps.isAccelerated());
fbTrueVolatile.setSelected(imageCaps.isTrueVolatile());
imageCaps = bufferCaps.getFrontBufferCapabilities();
// Back buffer caps
imageCaps = bufferCaps.getBackBufferCapabilities();
bbAccelerated.setSelected(imageCaps.isAccelerated());
bbTrueVolatile.setSelected(imageCaps.isTrueVolatile());
}
/**
* Returns a {@link VolatileImage} with a data layout and color model compatible with this <code>
* GraphicsConfiguration</code>, using the specified image capabilities and transparency value. If
* the <code>caps</code> parameter is null, it is effectively ignored and this method will create
* a VolatileImage without regard to <code>ImageCapabilities</code> constraints.
*
* <p>The returned <code>VolatileImage</code> has a layout and color model that is closest to this
* native device configuration and can therefore be optimally blitted to this device.
*
* @param width the width of the returned <code>VolatileImage</code>
* @param height the height of the returned <code>VolatileImage</code>
* @param caps the image capabilities
* @param transparency the specified transparency mode
* @return a <code>VolatileImage</code> whose data layout and color model is compatible with this
* <code>GraphicsConfiguration</code>.
* @see Transparency#OPAQUE
* @see Transparency#BITMASK
* @see Transparency#TRANSLUCENT
* @throws IllegalArgumentException if the transparency is not a valid value
* @exception AWTException if the supplied image capabilities could not be met by this graphics
* configuration
* @see Component#createVolatileImage(int, int)
* @since 1.5
*/
public VolatileImage createCompatibleVolatileImage(
int width, int height, ImageCapabilities caps, int transparency) throws AWTException {
VolatileImage vi = new Container().createVolatileImage(width, height, caps);
if (caps != null && caps.isAccelerated() && !vi.getCapabilities().isAccelerated()) {
throw new AWTException(
"Supplied image capabilities could not " + "be met by this graphics configuration.");
}
return vi;
}
