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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSURFACE_RASTER_P_H
#define QWINDOWSURFACE_RASTER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <qglobal.h>
#include "private/qwindowsurface_p.h"
QT_BEGIN_NAMESPACE
#ifdef Q_WS_WIN
#define Q_WS_EX_LAYERED 0x00080000 // copied from WS_EX_LAYERED in winuser.h
#define Q_LWA_ALPHA 0x00000002 // copied from LWA_ALPHA in winuser.h
#define Q_ULW_ALPHA 0x00000002 // copied from ULW_ALPHA in winuser.h
#define Q_AC_SRC_ALPHA 0x00000001 // copied from AC_SRC_ALPHA in winuser.h
struct Q_UPDATELAYEREDWINDOWINFO {
DWORD cbSize;
HDC hdcDst;
const POINT *pptDst;
const SIZE *psize;
HDC hdcSrc;
const POINT *pptSrc;
COLORREF crKey;
const BLENDFUNCTION *pblend;
DWORD dwFlags;
const RECT *prcDirty;
};
typedef BOOL (WINAPI *PtrUpdateLayeredWindow)(HWND hwnd, HDC hdcDst, const POINT *pptDst,
const SIZE *psize, HDC hdcSrc, const POINT *pptSrc, COLORREF crKey,
const BLENDFUNCTION *pblend, DWORD dwflags);
typedef BOOL (WINAPI *PtrUpdateLayeredWindowIndirect)(HWND hwnd, const Q_UPDATELAYEREDWINDOWINFO *pULWInfo);
extern PtrUpdateLayeredWindow ptrUpdateLayeredWindow;
extern PtrUpdateLayeredWindowIndirect ptrUpdateLayeredWindowIndirect;
#endif
class QPaintDevice;
class QPoint;
class QRegion;
class QRegion;
class QSize;
class QWidget;
class QRasterWindowSurfacePrivate;
class QNativeImage;
class Q_GUI_EXPORT QRasterWindowSurface : public QWindowSurface
{
public:
QRasterWindowSurface(QWidget *widget);
~QRasterWindowSurface();
QPaintDevice *paintDevice();
void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset);
void beginPaint(const QRegion &rgn);
void setGeometry(const QRect &rect);
bool scroll(const QRegion &area, int dx, int dy);
private:
void prepareBuffer(QImage::Format format, QWidget *widget);
Q_DECLARE_PRIVATE(QRasterWindowSurface)
QRasterWindowSurfacePrivate *d_ptr;
};
QT_END_NAMESPACE
#endif // QWINDOWSURFACE_RASTER_P_H
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