/**
* Create possibly volatile scratch image for fast painting. A scratch image can become
* invalidated, when this happens any actions involving it are ignored, and it needs to be
* recreated. Use isScratchImageValid() to check this.
*/
public static Image createScratchImage(int width, int height) {
try {
Image img =
(Image)
tryMethod(
output_comp,
"createVolatileImage",
new Object[] {new Integer(width), new Integer(height)});
if (img == null) {
// no such method -> create regular image
return output_comp.createImage(width, height);
}
// if (img.validate(output_comp.getGraphicsConfiguration())
// == VolatileImage.IMAGE_INCOMPATIBLE) {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gs = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gs.getDefaultConfiguration();
Integer valid = (Integer) tryMethod(img, "validate", new Object[] {gc});
// output_comp.getGraphicsConfiguration() });
if (valid.intValue() == 2) { // I checked, IMAGE_INCOMPATIBLE=2
// Hmm, somehow it didn't work. Create regular image.
return output_comp.createImage(width, height);
}
return img;
} catch (java.security.AccessControlException e) {
// we're not allowed to do this (we're probably an applet)
return output_comp.createImage(width, height);
}
}
private static GraphicsDevice getScreen(JFrame window) {
for (GraphicsDevice gd : GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices()) {
if (gd.getDefaultConfiguration().getBounds().contains(window.getLocationOnScreen()))
return gd;
}
System.err.println(
window + " does not appear to be on any screen; fullscreening onto default screen");
return GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
}
/** Create empty image with given alpha mode that should be efficient on this display */
public static BufferedImage createCompatibleImage(int width, int height, int transparency) {
// try {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gs = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gs.getDefaultConfiguration();
// always use bitmask transparency
BufferedImage bimage = gc.createCompatibleImage(width, height, transparency);
return bimage;
// } catch (HeadlessException e) { // this exception is not in 1.2
// The system does not have a screen
// e.printStackTrace();
// return null;
// }
}
public static void toFullScreen(
JFrame window,
GraphicsDevice gd,
boolean tryAppleFullscreen,
boolean tryExclusiveFullscreen) {
if (appleEawtAvailable()
&& tryAppleFullscreen
&& appleOSVersion() >= 7
&& // lion and above
javaVersion() >= 7) { // java 7 and above
System.out.println("trying to apple fullscreen");
enableAppleFullscreen(window);
doAppleFullscreen(window);
} else if (appleEawtAvailable()
&& // Snow Leopard and below OR apple java 6 and below TODO: test this on SL
tryExclusiveFullscreen
&& gd.isFullScreenSupported()) {
if (javaVersion() >= 7) setAutoRequestFocus(window, true);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setUndecorated(true);
// window.setExtendedState(JFrame.MAXIMIZED_BOTH);
gd.setFullScreenWindow(window);
window.toFront();
Rectangle r = gd.getDefaultConfiguration().getBounds();
window.setBounds(r);
// window.pack();
} else { // Windows and Linux TODO: test this
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setUndecorated(true);
window.setSize(gd.getDisplayMode().getWidth(), gd.getDisplayMode().getHeight());
window.setLocation(0, 0);
window.setExtendedState(JFrame.MAXIMIZED_BOTH);
window.toFront();
}
window.pack();
window.setVisible(true);
}