/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtOpenGL module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QGLCOLORMAP_H | |
#define QGLCOLORMAP_H | |
#include <QtGui/qcolor.h> | |
#include <QtCore/qvector.h> | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(OpenGL) | |
class Q_OPENGL_EXPORT QGLColormap | |
{ | |
public: | |
QGLColormap(); | |
QGLColormap(const QGLColormap &); | |
~QGLColormap(); | |
QGLColormap &operator=(const QGLColormap &); | |
bool isEmpty() const; | |
int size() const; | |
void detach(); | |
void setEntries(int count, const QRgb * colors, int base = 0); | |
void setEntry(int idx, QRgb color); | |
void setEntry(int idx, const QColor & color); | |
QRgb entryRgb(int idx) const; | |
QColor entryColor(int idx) const; | |
int find(QRgb color) const; | |
int findNearest(QRgb color) const; | |
protected: | |
Qt::HANDLE handle() { return d ? d->cmapHandle : 0; } | |
void setHandle(Qt::HANDLE ahandle) { d->cmapHandle = ahandle; } | |
private: | |
struct QGLColormapData { | |
QBasicAtomicInt ref; | |
QVector<QRgb> *cells; | |
Qt::HANDLE cmapHandle; | |
}; | |
QGLColormapData *d; | |
static struct QGLColormapData shared_null; | |
static void cleanup(QGLColormapData *x); | |
void detach_helper(); | |
friend class QGLWidget; | |
friend class QGLWidgetPrivate; | |
}; | |
inline void QGLColormap::detach() | |
{ | |
if (d->ref != 1) | |
detach_helper(); | |
} | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QGLCOLORMAP_H |