public void updateGC() {
int scrn = getScreenImOn();
if (screenLog.isLoggable(PlatformLogger.Level.FINER)) {
log.finer("Screen number: " + scrn);
}
// get current GD
Win32GraphicsDevice oldDev = (Win32GraphicsDevice) winGraphicsConfig.getDevice();
Win32GraphicsDevice newDev;
GraphicsDevice devs[] = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
// Occasionally during device addition/removal getScreenImOn can return
// a non-existing screen number. Use the default device in this case.
if (scrn >= devs.length) {
newDev =
(Win32GraphicsDevice)
GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
} else {
newDev = (Win32GraphicsDevice) devs[scrn];
}
// Set winGraphicsConfig to the default GC for the monitor this Window
// is now mostly on.
winGraphicsConfig = (Win32GraphicsConfig) newDev.getDefaultConfiguration();
if (screenLog.isLoggable(PlatformLogger.Level.FINE)) {
if (winGraphicsConfig == null) {
screenLog.fine("Assertion (winGraphicsConfig != null) failed");
}
}
// if on a different display, take off old GD and put on new GD
if (oldDev != newDev) {
oldDev.removeDisplayChangedListener(this);
newDev.addDisplayChangedListener(this);
}
AWTAccessor.getComponentAccessor()
.setGraphicsConfiguration((Component) target, winGraphicsConfig);
}
/** @deprecated as of JDK version 1.3 replaced by <code>getConfig()</code> */
@Deprecated
public Win32GraphicsConfig(GraphicsDevice device, int visualnum) {
this.screen = (Win32GraphicsDevice) device;
this.visual = visualnum;
((Win32GraphicsDevice) device).addDisplayChangedListener(this);
}