KisResourceThumbnailCache.h

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/*
 * SPDX-FileCopyrightText: 2023 Sharaf Zaman <shzam@sdf.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef __KISRESOURCETHUMBNAILCACHE_H_
#define __KISRESOURCETHUMBNAILCACHE_H_
 
#include <QImage>
#include <QScopedPointer>
 
#include "kritaresources_export.h"
 
class QModelIndex;
 
class KRITARESOURCES_EXPORT KisResourceThumbnailCache
{
public:
    KisResourceThumbnailCache();
    ~KisResourceThumbnailCache();
 
    static KisResourceThumbnailCache *instance();
 
    QImage getImage(const QModelIndex &index,
                    const QSize size = QSize(-1, -1),
                    Qt::AspectRatioMode aspectMode = Qt::IgnoreAspectRatio,
                    Qt::TransformationMode transformMode = Qt::FastTransformation);
 
private:
    friend class KisResourceQueryMapper;
    friend class KisResourceLocator;
    friend class KisStorageModel;
 
    /*
     * Check if we have the original image in the cache.
     */
    QImage originalImage(const QString &storageLocation, const QString &resourceType, const QString &filename) const;
    void insert(const QString &storageLocation,
                const QString &resourceType,
                const QString &filename,
                const QImage &image);
    void insert(const QPair<QString, QString> &key, const QImage &image);
 
    void remove(const QString &storageLocation, const QString &resourceType, const QString &filename);
    void remove(const QPair<QString, QString> &key);
 
private:
    struct Private;
    QScopedPointer<Private> m_d;
};
 
#endif // __KISRESOURCETHUMBNAILCACHE_H_