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 items for DImg
  *
  * SPDX-FileCopyrightText: 2010-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_DIMG_PREVIEW_ITEM_H
 #define DIGIKAM_DIMG_PREVIEW_ITEM_H
 
 // Qt includes
 
 #include <QGraphicsItem>
 #include <QObject>
 
 // Local includes
 
 #include "digikam_export.h"
 #include "graphicsdimgitem.h"
 
 namespace Digikam
 {
 
 class DImg;
 class ICCSettingsContainer;
 class LoadingDescription;
 class PreviewSettings;
 
 class DIGIKAM_EXPORT DImgPreviewItem : public GraphicsDImgItem
 {
     Q_OBJECT
 
 public:
 
     enum State
     {
         NoImage,
         Loading,
         ImageLoaded,
         ImageLoadingFailed
     };
 
 public:
 
     explicit DImgPreviewItem(QGraphicsItem* const parent = nullptr);
     ~DImgPreviewItem() override;
 
     void setDisplayingWidget(QWidget* const widget);
     void setPreviewSettings(const PreviewSettings& settings);
 
     QString path()              const;
     void    setPath(const QString& path, bool rePreview = false);
 
     State state()               const;
     bool  isLoaded()            const;
     void  reload();
 
     void setPreloadPaths(const QStringList& pathsToPreload);
 
     QString userLoadingHint()   const override;
 
 Q_SIGNALS:
 
     void stateChanged(int state);
     void loaded();
     void loadingFailed();
 
 private Q_SLOTS:
 
     void slotGotImagePreview(const LoadingDescription& loadingDescription, const DImg& image);
     void preloadNext();
     void slotFileChanged(const QString& path);
     void iccSettingsChanged(const ICCSettingsContainer& current, const ICCSettingsContainer& previous);
 
 private:
 
     // Disable
     DImgPreviewItem(QObject*);
 
     class DImgPreviewItemPrivate;
     Q_DECLARE_PRIVATE(DImgPreviewItem)
 
 protected:
 
     explicit DImgPreviewItem(DImgPreviewItemPrivate& dd, QGraphicsItem* const parent = nullptr);
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_DIMG_PREVIEW_ITEM_H