kwin/decorations/decorationrenderer.h

77 lines
1.4 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_DECORATION_RENDERER_H
#define KWIN_DECORATION_RENDERER_H
#include <QObject>
#include <QRegion>
#include <kwin_export.h>
namespace KWin
{
class Deleted;
namespace Decoration
{
class DecoratedClientImpl;
class KWIN_EXPORT Renderer : public QObject
{
Q_OBJECT
public:
~Renderer() override;
void schedule(const QRect &rect);
/**
* Reparents this Renderer to the @p deleted.
* After this call the Renderer is no longer able to render
* anything, client() returns a nullptr.
*/
virtual void reparent(Deleted *deleted);
Q_SIGNALS:
void renderScheduled(const QRect &geo);
protected:
explicit Renderer(DecoratedClientImpl *client);
/**
* @returns the scheduled paint region and resets
*/
QRegion getScheduled();
virtual void render() = 0;
DecoratedClientImpl *client() {
return m_client;
}
bool areImageSizesDirty() const {
return m_imageSizesDirty;
}
void resetImageSizesDirty() {
m_imageSizesDirty = false;
}
QImage renderToImage(const QRect &geo);
void renderToPainter(QPainter *painter, const QRect &rect);
private:
DecoratedClientImpl *m_client;
QRegion m_scheduled;
bool m_imageSizesDirty;
};
}
}
#endif