kwin/plugins/qpa/backingstore.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_QPA_BACKINGSTORE_H
#define KWIN_QPA_BACKINGSTORE_H
#include <qpa/qplatformbackingstore.h>
namespace KWayland
{
namespace Client
{
class Buffer;
class ShmPool;
}
}
namespace KWin
{
namespace QPA
{
class BackingStore : public QPlatformBackingStore
{
public:
explicit BackingStore(QWindow *w, KWayland::Client::ShmPool *shm);
virtual ~BackingStore();
QPaintDevice *paintDevice() override;
void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
void resize(const QSize &size, const QRegion &staticContents) override;
void beginPaint(const QRegion &) override;
private:
KWayland::Client::ShmPool *m_shm;
QWeakPointer<KWayland::Client::Buffer> m_buffer;
QImage m_backBuffer;
QSize m_size;
};
}
}
#endif