kis_simple_update_queue.h

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/*
 *  SPDX-FileCopyrightText: 2010 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_SIMPLE_UPDATE_QUEUE_H
#define __KIS_SIMPLE_UPDATE_QUEUE_H
 
#include <QMutex>
#include "kis_updater_context.h"
#include <KisProjectionUpdateFlags.h>
 
typedef QList<KisBaseRectsWalkerSP> KisWalkersList;
typedef QListIterator<KisBaseRectsWalkerSP> KisWalkersListIterator;
typedef QMutableListIterator<KisBaseRectsWalkerSP> KisMutableWalkersListIterator;
 
typedef QList<KisSpontaneousJob*> KisSpontaneousJobsList;
typedef QListIterator<KisSpontaneousJob*> KisSpontaneousJobsListIterator;
typedef QMutableListIterator<KisSpontaneousJob*> KisMutableSpontaneousJobsListIterator;
 
 
class KRITAIMAGE_EXPORT KisSimpleUpdateQueue
{
public:
    KisSimpleUpdateQueue();
    virtual ~KisSimpleUpdateQueue();
 
    void processQueue(KisUpdaterContext &updaterContext);
 
    void addUpdateJob(KisNodeSP node, const QVector<QRect> &rects, const QRect& cropRect, int levelOfDetail, KisProjectionUpdateFlags flags);
    void addFullRefreshJob(KisNodeSP node, const QVector<QRect> &rects, const QRect& cropRect, int levelOfDetail, KisProjectionUpdateFlags flags);
 
    // simplified overload for testing purposes only
    void addUpdateJob(KisNodeSP node, const QRect &rc, const QRect& cropRect, int levelOfDetail);
 
    // simplified overload for testing purposes only
    void addFullRefreshJob(KisNodeSP node, const QRect &rc, const QRect& cropRect, int levelOfDetail);
 
    void addSpontaneousJob(KisSpontaneousJob *spontaneousJob);
 
 
    void optimize();
 
    bool isEmpty() const;
    qint32 sizeMetric() const;
 
    void updateSettings();
 
    int overrideLevelOfDetail() const;
 
protected:
    void addJob(KisNodeSP node, const QVector<QRect> &rects, const QRect& cropRect, int levelOfDetail, KisBaseRectsWalker::UpdateType type, bool dontInvalidateFrames);
 
    bool processOneJob(KisUpdaterContext &updaterContext);
 
    bool trySplitJob(KisNodeSP node, const QRect& rc, const QRect& cropRect, int levelOfDetail, KisBaseRectsWalker::UpdateType type, bool dontInvalidateFrames);
    bool tryMergeJob(KisNodeSP node, const QRect& rc, const QRect& cropRect, int levelOfDetail, KisBaseRectsWalker::UpdateType type, bool dontInvalidateFrames);
 
    void collectJobs(KisBaseRectsWalkerSP &baseWalker, QRect baseRect,
                     const qreal maxAlpha);
    bool joinRects(QRect& baseRect, const QRect& newRect, qreal maxAlpha);
 
protected:
 
    mutable QMutex m_lock;
    KisWalkersList m_updatesList;
    KisSpontaneousJobsList m_spontaneousJobsList;
 
    qint32 m_patchWidth;
    qint32 m_patchHeight;
 
    qreal m_maxCollectAlpha;
 
    qreal m_maxMergeAlpha;
 
    qreal m_maxMergeCollectAlpha;
 
    int m_overrideLevelOfDetail;
};
 
class KRITAIMAGE_EXPORT KisTestableSimpleUpdateQueue : public KisSimpleUpdateQueue
{
public:
    KisWalkersList& getWalkersList();
    KisSpontaneousJobsList& getSpontaneousJobsList();
};
 
#endif /* __KIS_SIMPLE_UPDATE_QUEUE_H */