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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenVG module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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)
#include <QtGui/private/qegl_p.h>
#endif
QT_BEGIN_NAMESPACE
class QEglContext;
class Q_OPENVG_EXPORT QVGPixmapData : public QPixmapData
{
public:
QVGPixmapData(PixelType type);
~QVGPixmapData();
// 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); }
protected:
int metric(QPaintDevice::PaintDeviceMetric metric) const;
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
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