File indexing completed on 2025-04-27 03:58:23

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2010-04-30
  * Description : Graphics View item for DImg - Private containers
  *
  * SPDX-FileCopyrightText: 2010-2012 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_DIMG_ITEMS_P_H
 #define DIGIKAM_DIMG_ITEMS_P_H
 
 // Qt includes
 
 #include <QPixmapCache>
 #include <QQueue>
 #include <QString>
 
 // Local includes
 
 #include "digikam_export.h"
 #include "dimg.h"
 #include "dimgpreviewitem.h"
 #include "imagezoomsettings.h"
 #include "previewsettings.h"
 
 namespace Digikam
 {
 
 class CachedPixmapKey
 {
 public:
 
     QRect             region;
     QPixmapCache::Key key;
 };
 
 // -------------------------------------------------------------------------------
 
 class CachedPixmaps
 {
 public:
 
     explicit CachedPixmaps(int maxCount = 2);
     ~CachedPixmaps();
 
     void setMaxCount(int);
     void clear();
     bool find(const QRect& region, QPixmap* const pix, QRect* const source);
     void insert(const QRect& region, const QPixmap& pixmap);
 
 protected:
 
     int                     maxCount;
     QQueue<CachedPixmapKey> keys;
 };
 
 // -------------------------------------------------------------------------------
 
 class DIGIKAM_EXPORT GraphicsDImgItem::GraphicsDImgItemPrivate
 {
 public:
 
     explicit GraphicsDImgItemPrivate()
     {
     }
 
     void init(GraphicsDImgItem* const q);
 
 public:
 
     DImg                  image;
     ImageZoomSettings     zoomSettings;
     mutable CachedPixmaps cachedPixmaps;
 };
 
 // -------------------------------------------------------------------------------
 
 class PreviewLoadThread;
 class DImgPreviewItem;
 
 class DIGIKAM_EXPORT DImgPreviewItem::DImgPreviewItemPrivate : public GraphicsDImgItem::GraphicsDImgItemPrivate
 {
 public:
 
     explicit DImgPreviewItemPrivate();
     void init(DImgPreviewItem* const q);
 
 public:
 
     DImgPreviewItem::State state;
     bool                   exifRotate;
     int                    previewSize;
 
     QString                path;
     PreviewSettings        previewSettings;
     PreviewLoadThread*     previewThread;
     PreviewLoadThread*     preloadThread;
     QStringList            pathsToPreload;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_DIMG_ITEMS_P_H