buffer_interface.h

/*
    SPDX-FileCopyrightText: 2014 Martin Gräßlin <[email protected]>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#ifndef WAYLAND_SERVER_BUFFER_INTERFACE_H
#define WAYLAND_SERVER_BUFFER_INTERFACE_H

#include <QImage>
#include <QObject>

#include <KWayland/Server/kwaylandserver_export.h>

struct wl_resource;
struct wl_shm_buffer;

namespace KWayland
{
namespace Server
{
class SurfaceInterface;
class LinuxDmabufBuffer;

class KWAYLANDSERVER_EXPORT BufferInterface : public QObject
{
    Q_OBJECT
public:
    virtual ~BufferInterface();
    void ref();
    void unref();
    bool isReferenced() const;

    SurfaceInterface *surface() const;
    wl_shm_buffer *shmBuffer();
    LinuxDmabufBuffer *linuxDmabufBuffer();
    wl_resource *resource() const;

    QImage data();

    QSize size() const;
    void setSize(const QSize &size);

    bool hasAlphaChannel() const;

    static BufferInterface *get(wl_resource *r);

Q_SIGNALS:
    void aboutToBeDestroyed(KWayland::Server::BufferInterface*);
    void sizeChanged();

private:
    friend class SurfaceInterface;
    explicit BufferInterface(wl_resource *resource, SurfaceInterface *parent);
    class Private;
    QScopedPointer<Private> d;
};

}
}

Q_DECLARE_METATYPE(KWayland::Server::BufferInterface*)

#endif