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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDIRECTFBSCREEN_H
+#define QDIRECTFBSCREEN_H
+
+#include <QtGui/qscreen_qws.h>
+#include <directfb.h>
+
+QT_BEGIN_HEADER
+
+QT_MODULE(Gui)
+
+#define Q_DIRECTFB_VERSION ((DIRECTFB_MAJOR_VERSION << 16) | (DIRECTFB_MINOR_VERION << 8) | DIRECTFB_MICRO_VERSION)
+
+class QDirectFBScreenPrivate;
+
+class Q_GUI_EXPORT QDirectFBScreen : public QScreen
+{
+public:
+ QDirectFBScreen(int display_id);
+ ~QDirectFBScreen();
+
+ bool connect(const QString &displaySpec);
+ void disconnect();
+ bool initDevice();
+ void shutdownDevice();
+
+ void exposeRegion(QRegion r, int changing);
+ void blit(const QImage &img, const QPoint &topLeft, const QRegion &region);
+ void scroll(const QRegion &region, const QPoint &offset);
+ void solidFill(const QColor &color, const QRegion &region);
+
+ void setMode(int width, int height, int depth);
+ void blank(bool on);
+
+ QWSWindowSurface* createSurface(QWidget *widget) const;
+ QWSWindowSurface* createSurface(const QString &key) const;
+
+ static inline QDirectFBScreen* instance() {
+ QScreen *inst = QScreen::instance();
+ Q_ASSERT(!inst || inst->classId() == QScreen::DirectFBClass);
+ return static_cast<QDirectFBScreen*>(inst);
+ }
+
+ IDirectFB* dfb();
+ IDirectFBSurface* dfbSurface();
+#ifndef QT_NO_DIRECTFB_LAYER
+ IDirectFBDisplayLayer* dfbDisplayLayer();
+#endif
+
+ // Track surface creation/release so we can release all on exit
+ IDirectFBSurface* createDFBSurface(const DFBSurfaceDescription* desc, bool track = true);
+ void releaseDFBSurface(IDirectFBSurface* surface);
+ bool preferVideoOnly() const;
+
+ static int depth(DFBSurfacePixelFormat format);
+
+ static DFBSurfacePixelFormat getSurfacePixelFormat(const QImage &image);
+ static DFBSurfaceDescription getSurfaceDescription(const QImage &image);
+ static DFBSurfaceDescription getSurfaceDescription(const uint *buffer,
+ int length);
+ static QImage::Format getImageFormat(DFBSurfacePixelFormat format);
+ static inline bool isPremultiplied(QImage::Format format);
+
+#ifndef QT_NO_DIRECTFB_PALETTE
+ static void setSurfaceColorTable(IDirectFBSurface *surface,
+ const QImage &image);
+ static void setImageColorTable(QImage *image, IDirectFBSurface *surface);
+#endif
+
+private:
+ void compose(const QRegion &r);
+ void blit(IDirectFBSurface *src, const QPoint &topLeft,
+ const QRegion &region);
+
+ QDirectFBScreenPrivate *d_ptr;
+};
+
+inline bool QDirectFBScreen::isPremultiplied(QImage::Format format)
+{
+ switch (format) {
+ case QImage::Format_ARGB32_Premultiplied:
+ case QImage::Format_ARGB8565_Premultiplied:
+ case QImage::Format_ARGB6666_Premultiplied:
+ case QImage::Format_ARGB8555_Premultiplied:
+ case QImage::Format_ARGB4444_Premultiplied:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+
+QT_END_HEADER
+
+#endif // QDIRECTFBSCREEN_H