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87 lines
2.1 KiB
87 lines
2.1 KiB
/******************************************************************** |
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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 <kwin_export.h> |
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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 KWIN_EXPORT Renderer : public QObject |
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{ |
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Q_OBJECT |
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public: |
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~Renderer() override; |
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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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void renderToPainter(QPainter *painter, const QRect &rect); |
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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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} |
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} |
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#endif
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