1 files changed, 105 insertions, 0 deletions
diff --git a/src/gui/opengl/qopenglcolormap.h b/src/gui/opengl/qopenglcolormap.h
new file mode 100644
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+++ b/src/gui/opengl/qopenglcolormap.h
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+/****************************************************************************
+**
+** 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 QtGui 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOPENGLCOLORMAP_H
+#define QOPENGLCOLORMAP_H
+
+#include <QtGui/qcolor.h>
+#include <QtCore/qvector.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class Q_GUI_EXPORT QOpenGLColormap
+{
+public:
+    QOpenGLColormap();
+    QOpenGLColormap(const QOpenGLColormap &);
+    ~QOpenGLColormap();
+
+    QOpenGLColormap &operator=(const QOpenGLColormap &);
+
+    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 QOpenGLColormapData {
+        QBasicAtomicInt ref;
+        QVector<QRgb> *cells;
+        Qt::HANDLE cmapHandle;
+    };
+
+    QOpenGLColormapData *d;
+    static struct QOpenGLColormapData shared_null;
+    static void cleanup(QOpenGLColormapData *x);
+    void detach_helper();
+
+    friend class QOpenGLWidget;
+    friend class QOpenGLWidgetPrivate;
+};
+
+inline void QOpenGLColormap::detach()
+{
+    if (d->ref != 1)
+        detach_helper();
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QOPENGLCOLORMAP_H