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/****************************************************************************
**
** This file is part of QtCompositor**
**
** Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
**
** Contact: Nokia Corporation qt-info@nokia.com
**
** You may use this file under the terms of the BSD license as follows:
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**
** Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
**
** Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
**
** Neither the name of Nokia Corporation and its Subsidiary(-ies) nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
****************************************************************************/
#ifndef WL_SHMBUFFER_H
#define WL_SHMBUFFER_H
#include "waylandobject.h"
#include <QtCore/QRect>
#include <QtGui/QImage>
namespace Wayland {
class Surface;
class Display;
class ShmBuffer
{
public:
ShmBuffer(struct wl_buffer *buffer);
~ShmBuffer();
QImage image() const;
QSize size() const;
void damage();
private:
struct wl_buffer *m_buffer;
int m_stride;
void *m_data;
QImage m_image;
};
class ShmHandler
{
public:
ShmHandler(Display *display);
~ShmHandler();
typedef void (*DestroyCallback)(ShmBuffer *);
void addDestroyCallback(DestroyCallback callback);
private:
Display *m_display;
struct wl_shm *m_shm;
static struct wl_shm_callbacks shm_callbacks;
static void buffer_created_callback(struct wl_buffer *buffer);
static void buffer_damaged_callback(struct wl_buffer *buffer,
int32_t x, int32_t y,
int32_t width, int32_t height);
static void buffer_destroyed_callback(struct wl_buffer *buffer);
QList<DestroyCallback> m_extraCallbacks;
};
}
#endif //WL_SHMBUFFER_H
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