106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_DECORATION_RENDERER_H
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#define KWIN_DECORATION_RENDERER_H
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#include <QObject>
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#include <QRegion>
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#include <xcb/xcb.h>
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class QTimer;
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namespace KWin
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{
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class Deleted;
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namespace Decoration
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{
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class DecoratedClientImpl;
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class Renderer : public QObject
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{
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Q_OBJECT
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public:
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virtual ~Renderer();
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void schedule(const QRect &rect);
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/**
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* Reparents this Renderer to the @p deleted.
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* After this call the Renderer is no longer able to render
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* anything, client() returns a nullptr.
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**/
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virtual void reparent(Deleted *deleted);
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Q_SIGNALS:
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void renderScheduled(const QRect &geo);
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protected:
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explicit Renderer(DecoratedClientImpl *client);
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/**
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* @returns the scheduled paint region and resets
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**/
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QRegion getScheduled();
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virtual void render() = 0;
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DecoratedClientImpl *client() {
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return m_client;
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}
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bool areImageSizesDirty() const {
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return m_imageSizesDirty;
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}
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void resetImageSizesDirty() {
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m_imageSizesDirty = false;
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}
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QImage renderToImage(const QRect &geo);
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private:
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DecoratedClientImpl *m_client;
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QRegion m_scheduled;
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bool m_imageSizesDirty;
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};
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class X11Renderer : public Renderer
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{
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Q_OBJECT
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public:
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explicit X11Renderer(DecoratedClientImpl *client);
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virtual ~X11Renderer();
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void reparent(Deleted *deleted) override;
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protected:
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void render() override;
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private:
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QTimer *m_scheduleTimer;
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xcb_gcontext_t m_gc;
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};
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}
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}
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#endif
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