diff options
Diffstat (limited to 'src/plugins/gfxdrivers/directfb/qdirectfbscreen.h')
-rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbscreen.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h new file mode 100644 index 0000000..e9a2f63 --- /dev/null +++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** 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 ®ion); + void scroll(const QRegion ®ion, const QPoint &offset); + void solidFill(const QColor &color, const QRegion ®ion); + + 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 ®ion); + + 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 |