KisLayerThumbnailCache.h

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/*
 *  SPDX-FileCopyrightText: 2023 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KISLAYERTHUMBNAILCACHE_H
#define KISLAYERTHUMBNAILCACHE_H
 
#include <kritaui_export.h>
#include <QScopedPointer>
#include <QObject>
 
#include "kis_types.h"
 
class KisIdleTasksManager;
 
 
class KRITAUI_EXPORT KisLayerThumbnailCache : public QObject
{
    Q_OBJECT
public:
    KisLayerThumbnailCache();
    ~KisLayerThumbnailCache();
 
    void setImage(KisImageSP image);
    void setIdleTaskManager(KisIdleTasksManager *manager);
    void setImage(KisImageSP image, KisIdleTasksManager *manager);
    void setMaxSize(int maxSize);
    int maxSize() const;
 
    QImage thumbnail(KisNodeSP node) const;
 
    void notifyNodeAdded(KisNodeSP node);
    void notifyNodeRemoved(KisNodeSP node);
 
    void startThumbnailsUpdate();
 
    void clear();
 
Q_SIGNALS:
    void sigLayerThumbnailUpdated(KisNodeSP node);
 
private Q_SLOTS:
    void slotThumbnailGenerated(KisNodeSP node, int seqNo, int maxSize, const QImage &thumb);
private:
    void setIdleTaskManagerImpl(KisIdleTasksManager *manager);
 
private:
    struct Private;
    QScopedPointer<Private> m_d;
};
 
#endif // KISLAYERTHUMBNAILCACHE_H