File indexing completed on 2025-04-27 03:58:08

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2006-12-26
  * Description : Multithreaded loader for previews
  *
  * SPDX-FileCopyrightText: 2006-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  * SPDX-FileCopyrightText: 2006-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_PREVIEW_TASK_H
 #define DIGIKAM_PREVIEW_TASK_H
 
 // Qt includes
 
 #include <QImage>
 
 // Local includes
 
 #include "loadsavetask.h"
 #include "metaengine_previews.h"
 
 namespace Digikam
 {
 
 class PreviewLoadingTask : public SharedLoadingTask
 {
 public:
 
     explicit PreviewLoadingTask(LoadSaveThread* const thread,
                                 const LoadingDescription& description);
     ~PreviewLoadingTask() override;
 
     void execute()        override;
 
 private:
 
     bool loadExiv2Preview(MetaEnginePreviews& previews, int sizeLimit = -1);
     bool loadLibRawPreview(int sizeLimit = -1);
     bool loadHalfSizeRaw();
     bool loadFullSizeRaw();
     bool needToScale();
     bool loadImagePreview(int sizeLimit = -1);
     void convertQImageToDImg();
 
 private:
 
     QImage m_qimage;
     bool   m_fromRawEmbeddedPreview;
 
 private:
 
     // Disable
     PreviewLoadingTask(const PreviewLoadingTask&)            = delete;
     PreviewLoadingTask& operator=(const PreviewLoadingTask&) = delete;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_PREVIEW_TASK_H