56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
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/*
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SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "item.h"
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namespace KWin
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{
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/**
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* The SurfaceItem class represents a surface with some contents.
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*/
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class KWIN_EXPORT SurfaceItem : public Item
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{
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Q_OBJECT
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public:
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QPointF mapToWindow(const QPointF &point) const;
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virtual QPointF mapToBuffer(const QPointF &point) const = 0;
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virtual QRegion shape() const;
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virtual QRegion opaque() const;
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void addDamage(const QRegion ®ion);
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void resetDamage();
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QRegion damage() const;
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WindowPixmap *windowPixmap() const;
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WindowPixmap *previousWindowPixmap() const;
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void referencePreviousPixmap();
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void unreferencePreviousPixmap();
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protected:
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explicit SurfaceItem(Scene::Window *window, Item *parent = nullptr);
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virtual WindowPixmap *createPixmap() = 0;
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void preprocess() override;
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void discardPixmap();
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void updatePixmap();
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QRegion m_damage;
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QScopedPointer<WindowPixmap> m_windowPixmap;
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QScopedPointer<WindowPixmap> m_previousWindowPixmap;
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int m_referencePixmapCounter = 0;
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friend class Scene::Window;
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};
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} // namespace KWin
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