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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.opengl.impl.jawt.x11;
import com.sun.opengl.impl.x11.*;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.lang.reflect.*;
import java.security.*;
/** This class encapsulates the reflection routines necessary to peek
inside a few data structures in the AWT implementation on X11 for
the purposes of correctly enumerating the available visuals. */
public class X11SunJDKReflection {
private static Class x11GraphicsDeviceClass;
private static Method x11GraphicsDeviceGetScreenMethod;
private static Class x11GraphicsConfigClass;
private static Method x11GraphicsConfigGetVisualMethod;
private static boolean initted;
static {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
x11GraphicsDeviceClass = Class.forName("sun.awt.X11GraphicsDevice");
x11GraphicsDeviceGetScreenMethod = x11GraphicsDeviceClass.getDeclaredMethod("getScreen", new Class[] {});
x11GraphicsDeviceGetScreenMethod.setAccessible(true);
x11GraphicsConfigClass = Class.forName("sun.awt.X11GraphicsConfig");
x11GraphicsConfigGetVisualMethod = x11GraphicsConfigClass.getDeclaredMethod("getVisual", new Class[] {});
x11GraphicsConfigGetVisualMethod.setAccessible(true);
initted = true;
} catch (Exception e) {
// Either not a Sun JDK or the interfaces have changed since 1.4.2 / 1.5
}
return null;
}
});
}
public static int graphicsDeviceGetScreen(GraphicsDevice device) {
if (!initted) {
return 0;
}
try {
return ((Integer) x11GraphicsDeviceGetScreenMethod.invoke(device, new Object[] {})).intValue();
} catch (Exception e) {
return 0;
}
}
public static int graphicsConfigurationGetVisualID(GraphicsConfiguration config) {
if (!initted) {
return 0;
}
try {
return ((Integer) x11GraphicsConfigGetVisualMethod.invoke(config, new Object[] {})).intValue();
} catch (Exception e) {
return 0;
}
}
}
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