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Diffstat (limited to 'src/plugins/platforms/qnx/qqnxrasterwindow.h')
-rw-r--r-- | src/plugins/platforms/qnx/qqnxrasterwindow.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/plugins/platforms/qnx/qqnxrasterwindow.h b/src/plugins/platforms/qnx/qqnxrasterwindow.h new file mode 100644 index 0000000000..8bd42bc320 --- /dev/null +++ b/src/plugins/platforms/qnx/qqnxrasterwindow.h @@ -0,0 +1,82 @@ +/*************************************************************************** +** +** Copyright (C) 2013 BlackBerry Limited. All rights reserved. +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQNXRASTERWINDOW_H +#define QQNXRASTERWINDOW_H + +#include "qqnxwindow.h" +#include "qqnxbuffer.h" + +QT_BEGIN_NAMESPACE + +class QQnxRasterWindow : public QQnxWindow +{ +public: + QQnxRasterWindow(QWindow *window, screen_context_t context); + + void post(const QRegion &dirty); + + void scroll(const QRegion ®ion, int dx, int dy, bool flush=false); + + QQnxBuffer &renderBuffer(); + + bool hasBuffers() const { return !bufferSize().isEmpty(); } + + WindowType windowType() const Q_DECL_OVERRIDE { return Raster; } + +protected: + int pixelFormat() const; + void resetBuffers(); + + // Copies content from the previous buffer (back buffer) to the current buffer (front buffer) + void blitPreviousToCurrent(const QRegion ®ion, int dx, int dy, bool flush=false); + +private: + QRegion m_previousDirty; + QRegion m_scrolled; + int m_currentBufferIndex; + int m_previousBufferIndex; + QQnxBuffer m_buffers[MAX_BUFFER_COUNT]; +}; + +QT_END_NAMESPACE + +#endif // QQNXRASTERWINDOW_H |