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/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QCOLORMAP_H
#define QCOLORMAP_H

#include <QtCore/qatomic.h>
#include <QtGui/qrgb.h>
#include <QtCore/qvector.h>
#include <QtGui/qwindowdefs.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QColor;
class QColormapPrivate;

class Q_GUI_EXPORT QColormap
{
public:
    enum Mode { Direct, Indexed, Gray };

    static void initialize();
    static void cleanup();

    static QColormap instance(int screen = -1);

    QColormap(const QColormap &colormap);
    ~QColormap();

    QColormap &operator=(const QColormap &colormap);

    Mode mode() const;

    int depth() const;
    int size() const;

    uint pixel(const QColor &color) const;
    const QColor colorAt(uint pixel) const;

    const QVector<QColor> colormap() const;

#ifdef Q_WS_WIN
    static HPALETTE hPal();
#endif

private:
    QColormap();
    QColormapPrivate *d;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QCOLORMAP_H