/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtOpenVG module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QPIXMAPDATA_VG_P_H

#define QPIXMAPDATA_VG_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtGui/private/qpixmap_raster_p.h>

#include <private/qvg_p.h>

#if !defined(QT_NO_EGL)

#endif

#if defined(Q_OS_SYMBIAN)

class RSGImage;

#endif

QT_BEGIN_NAMESPACE

class QEglContext;

class Q_OPENVG_EXPORT QVGPixmapData : public QPixmapData

{

public:

    QVGPixmapData(PixelType type);

    ~QVGPixmapData();

    QPixmapData *createCompatiblePixmapData() const;

    // Is this pixmap valid (i.e. non-zero in size)?

    bool isValid() const;

    void resize(int width, int height);

    void fromImage(const QImage &image, Qt::ImageConversionFlags flags);

    void fill(const QColor &color);

    bool hasAlphaChannel() const;

    void setAlphaChannel(const QPixmap &alphaChannel);

    QImage toImage() const;

    QImage *buffer();

    QPaintEngine* paintEngine() const;

    // Return the VGImage form of this pixmap, creating it if necessary.

    // This assumes that there is a VG context current.

    VGImage toVGImage();

    // Return the VGImage form for a specific opacity setting.

    VGImage toVGImage(qreal opacity);

    QSize size() const { return QSize(w, h); }

#if defined(Q_OS_SYMBIAN)

    void* toNativeType(NativeType type);

    void fromNativeType(void* pixmap, NativeType type);

#endif

protected:

    int metric(QPaintDevice::PaintDeviceMetric metric) const;

#if defined(Q_OS_SYMBIAN)

    void cleanup();

#endif

private:

    VGImage vgImage;

    VGImage vgImageOpacity;

    qreal cachedOpacity;

    mutable QImage source;

    mutable bool recreate;

#if !defined(QT_NO_EGL)

    mutable QEglContext *context;

#endif

    void forceToImage();

    QImage::Format sourceFormat() const;

};

QT_END_NAMESPACE

#endif