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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 plugins 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 QGRAPHICSSYSTEM_RUNTIME_P_H
#define QGRAPHICSSYSTEM_RUNTIME_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 "qgraphicssystem_p.h"
#include <private/qpixmapdata_p.h>
QT_BEGIN_NAMESPACE
class QRuntimeGraphicsSystem;
class Q_GUI_EXPORT QRuntimePixmapData : public QPixmapData {
public:
QRuntimePixmapData(const QRuntimeGraphicsSystem *gs, PixelType type);
~QRuntimePixmapData();
virtual QPixmapData *createCompatiblePixmapData() const;
virtual void resize(int width, int height);
virtual void fromImage(const QImage &image,
Qt::ImageConversionFlags flags);
virtual bool fromFile(const QString &filename, const char *format,
Qt::ImageConversionFlags flags);
virtual bool fromData(const uchar *buffer, uint len, const char *format,
Qt::ImageConversionFlags flags);
virtual void copy(const QPixmapData *data, const QRect &rect);
virtual bool scroll(int dx, int dy, const QRect &rect);
virtual int metric(QPaintDevice::PaintDeviceMetric metric) const;
virtual void fill(const QColor &color);
virtual QBitmap mask() const;
virtual void setMask(const QBitmap &mask);
virtual bool hasAlphaChannel() const;
virtual QPixmap transformed(const QTransform &matrix,
Qt::TransformationMode mode) const;
virtual void setAlphaChannel(const QPixmap &alphaChannel);
virtual QPixmap alphaChannel() const;
virtual QImage toImage() const;
virtual QPaintEngine *paintEngine() const;
virtual QImage *buffer();
void readBackInfo();
QPixmapData *m_data;
#if defined(Q_OS_SYMBIAN)
void* toNativeType(NativeType type);
void fromNativeType(void* pixmap, NativeType type);
#endif
virtual QPixmapData *runtimeData() const;
private:
const QRuntimeGraphicsSystem *m_graphicsSystem;
};
class QRuntimeWindowSurface : public QWindowSurface {
public:
QRuntimeWindowSurface(const QRuntimeGraphicsSystem *gs, QWidget *window);
~QRuntimeWindowSurface();
virtual QPaintDevice *paintDevice();
virtual void flush(QWidget *widget, const QRegion ®ion,
const QPoint &offset);
virtual void setGeometry(const QRect &rect);
virtual bool scroll(const QRegion &area, int dx, int dy);
virtual void beginPaint(const QRegion &);
virtual void endPaint(const QRegion &);
virtual QImage* buffer(const QWidget *widget);
virtual QPixmap grabWidget(const QWidget *widget, const QRect& rectangle = QRect()) const;
virtual QPoint offset(const QWidget *widget) const;
QScopedPointer<QWindowSurface> m_windowSurface;
QScopedPointer<QWindowSurface> m_pendingWindowSurface;
private:
const QRuntimeGraphicsSystem *m_graphicsSystem;
};
class QRuntimeGraphicsSystem : public QGraphicsSystem
{
public:
enum WindowSurfaceDestroyPolicy
{
DestroyImmediately,
DestroyAfterFirstFlush
};
public:
QRuntimeGraphicsSystem();
QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
QWindowSurface *createWindowSurface(QWidget *widget) const;
void removePixmapData(QRuntimePixmapData *pixmapData) const;
void removeWindowSurface(QRuntimeWindowSurface *windowSurface) const;
void setGraphicsSystem(const QString &name);
QString graphicsSystemName() const { return m_graphicsSystemName; }
void setWindowSurfaceDestroyPolicy(WindowSurfaceDestroyPolicy policy)
{
m_windowSurfaceDestroyPolicy = policy;
}
int windowSurfaceDestroyPolicy() const { return m_windowSurfaceDestroyPolicy; }
private:
int m_windowSurfaceDestroyPolicy;
QGraphicsSystem *m_graphicsSystem;
mutable QList<QRuntimePixmapData *> m_pixmapDatas;
mutable QList<QRuntimeWindowSurface *> m_windowSurfaces;
QString m_graphicsSystemName;
QString m_pendingGraphicsSystemName;
friend class QRuntimePixmapData;
friend class QRuntimeWindowSurface;
friend class QMeeGoGraphicsSystem;
};
QT_END_NAMESPACE
#endif
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