File indexing completed on 2025-04-27 03:58:07

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2006-02-06
  * Description : shared image loading and caching
  *
  * SPDX-FileCopyrightText: 2005-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_LOADING_CACHE_INTERFACE_H
 #define DIGIKAM_LOADING_CACHE_INTERFACE_H
 
 // Qt includes
 
 #include <QString>
 
 // Local includes
 
 #include "digikam_export.h"
 #include "dimg.h"
 
 namespace Digikam
 {
 
 class DIGIKAM_EXPORT LoadingCacheInterface
 {
 public:
 
     static void initialize();
 
     /**
      * clean up cache at shutdown
      */
     static void cleanUp();
 
     /**
      * Remove an image from the cache
      * because it may have changed on disk
      */
     static void fileChanged(const QString& filePath, bool notify = true);
 
     /**
      * Connect the given object/slot to the signal
      *  void fileChanged(const QString& filePath);
      * which is emitted when the cache gains knowledge about a possible
      * change of this file on disk.
      */
     static void connectToSignalFileChanged(QObject* const object, const char* slot);
 
     /**
      * remove all images from the cache
      * (e.g. when loading settings changed)
      * Does not affect thumbnails.
      */
     static void cleanCache();
 
     /**
      * Remove all thumbnails from the thumbnail cache.
      * Does not affect main image cache.
      */
     static void cleanThumbnailCache();
 
     /**
      * add a copy of the image to cache
      */
     static void putImage(const QString& filePath, const DImg& img);
 
     /**
      * Set cache size in Megabytes.
      * Set to 0 to disable caching.
      */
     static void setCacheOptions(int cacheSize);
 
 private:
 
     explicit LoadingCacheInterface();
     ~LoadingCacheInterface();
 
     // Disable
     LoadingCacheInterface(const LoadingCacheInterface&)            = delete;
     LoadingCacheInterface& operator=(const LoadingCacheInterface&) = delete;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_LOADING_CACHE_INTERFACE_H