KisAbstractFrameCacheSwapper.h

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/*
 *  SPDX-FileCopyrightText: 2018 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KISABSTRACTFRAMECACHESWAPPER_H
#define KISABSTRACTFRAMECACHESWAPPER_H
 
#include "kritaui_export.h"
 
class QRect;
 
template<class T>
class KisSharedPtr;
 
class KisOpenGLUpdateInfo;
typedef KisSharedPtr<KisOpenGLUpdateInfo> KisOpenGLUpdateInfoSP;
 
 
class KRITAUI_EXPORT KisAbstractFrameCacheSwapper
{
public:
    virtual ~KisAbstractFrameCacheSwapper();
 
    // WARNING: after transferring \p info to saveFrame() the object becomes invalid
    virtual void saveFrame(int frameId, KisOpenGLUpdateInfoSP info, const QRect &imageBounds) = 0;
    virtual KisOpenGLUpdateInfoSP loadFrame(int frameId) = 0;
 
    virtual void moveFrame(int srcFrameId, int dstFrameId) = 0;
    virtual void forgetFrame(int frameId) = 0;
 
    virtual bool hasFrame(int frameId) const = 0;
 
    virtual int frameLevelOfDetail(int frameId) const = 0;
    virtual QRect frameDirtyRect(int frameId) const = 0;
};
 
#endif // KISABSTRACTFRAMECACHESWAPPER_H