itemrenderer.h

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/*
    SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include <kwin_export.h>
 
#include <QMatrix4x4>
#include <memory>
 
class QPainter;
 
namespace KWin
{
 
class ImageItem;
class Item;
class RenderTarget;
class RenderViewport;
class Scene;
class WindowPaintData;
 
class KWIN_EXPORT ItemRenderer
{
public:
    ItemRenderer();
    virtual ~ItemRenderer();
 
    virtual QPainter *painter() const;
 
    virtual void beginFrame(const RenderTarget &renderTarget, const RenderViewport &viewport);
    virtual void endFrame();
 
    virtual void renderBackground(const RenderTarget &renderTarget, const RenderViewport &viewport, const QRegion &region) = 0;
    virtual void renderItem(const RenderTarget &renderTarget, const RenderViewport &viewport, Item *item, int mask, const QRegion &region, const WindowPaintData &data) = 0;
 
    virtual std::unique_ptr<ImageItem> createImageItem(Scene *scene, Item *parent = nullptr) = 0;
};
 
} // namespace KWin