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/*
* Copyright (c) 2005 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.jogamp.opengl.util;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLDrawable;
import javax.media.opengl.GLDrawableFactory;
import com.jogamp.common.util.locks.RecursiveLock;
/**
* Provides convenient wrapper for {@link GLDrawableFactory} control over
* individual display's gamma, brightness and contrast values
* via the hardware gamma ramp tables.
* <p>
* Not supported on all platforms or graphics hardware.
* </p>
* <p>
* Thanks to the LWJGL project for illustrating how to access gamma
* control on the various platforms.
* </p>
*/
public class Gamma {
private Gamma() {}
/**
* Convenient wrapper for {@link GLDrawableFactory#setDisplayGamma(javax.media.nativewindow.NativeSurface, float, float, float)}.
* <p>
* Use {@link #setDisplayGamma(GLAutoDrawable, float, float, float)} in case of using an {#link GLAutoDrawable}.
* </p>
*/
public static boolean setDisplayGamma(final GLDrawable drawable, final float gamma, final float brightness, final float contrast) throws IllegalArgumentException {
return GLDrawableFactory.getFactory(drawable.getGLProfile()).setDisplayGamma(drawable.getNativeSurface(), gamma, brightness, contrast);
}
/**
* Convenient wrapper for {@link GLDrawableFactory#setDisplayGamma(javax.media.nativewindow.NativeSurface, float, float, float)}
* locking {@link GLAutoDrawable#getUpstreamLock()} to ensure proper atomic operation.
*/
public static boolean setDisplayGamma(final GLAutoDrawable drawable, final float gamma, final float brightness, final float contrast) throws IllegalArgumentException {
final RecursiveLock lock = drawable.getUpstreamLock();
lock.lock();
try {
return GLDrawableFactory.getFactory(drawable.getGLProfile()).setDisplayGamma(drawable.getNativeSurface(), gamma, brightness, contrast);
} finally {
lock.unlock();
}
}
/**
* Convenient wrapper for {@link GLDrawableFactory#resetDisplayGamma(javax.media.nativewindow.NativeSurface)}.
* <p>
* Use {@link #resetDisplayGamma(GLAutoDrawable)} in case of using an {#link GLAutoDrawable}.
* </p>
*/
public static void resetDisplayGamma(final GLDrawable drawable) {
GLDrawableFactory.getFactory(drawable.getGLProfile()).resetDisplayGamma(drawable.getNativeSurface());
}
/**
* Convenient wrapper for {@link GLDrawableFactory#resetDisplayGamma(javax.media.nativewindow.NativeSurface)}
* locking {@link GLAutoDrawable#getUpstreamLock()} to ensure proper atomic operation.
*/
public static void resetDisplayGamma(final GLAutoDrawable drawable) {
final RecursiveLock lock = drawable.getUpstreamLock();
lock.lock();
try {
GLDrawableFactory.getFactory(drawable.getGLProfile()).resetDisplayGamma(drawable.getNativeSurface());
} finally {
lock.unlock();
}
}
/**
* Convenient wrapper for {@link GLDrawableFactory#resetAllDisplayGamma()}.
*/
public static void resetAllDisplayGamma(final GLDrawable drawable) {
GLDrawableFactory.getFactory(drawable.getGLProfile()).resetAllDisplayGamma();
}
}
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