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0001 /* ============================================================
0002  *
0003  * This file is a part of digiKam project
0004  * https://www.digikam.org
0005  *
0006  * Date        : 2010-09-03
0007  * Description : Integrated, multithread face detection / recognition
0008  *
0009  * SPDX-FileCopyrightText: 2010-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
0010  *
0011  * SPDX-License-Identifier: GPL-2.0-or-later
0012  *
0013  * ============================================================ */
0014 
0015 #ifndef DIGIKAM_FACE_PREVIEW_LOADER_H
0016 #define DIGIKAM_FACE_PREVIEW_LOADER_H
0017 
0018 // Local includes
0019 
0020 #include "facepipeline_p.h"
0021 
0022 namespace Digikam
0023 {
0024 
0025 class Q_DECL_HIDDEN FacePreviewLoader : public PreviewLoadThread
0026 {
0027     Q_OBJECT
0028 
0029 public:
0030 
0031     explicit FacePreviewLoader(FacePipeline::Private* const dd);
0032     ~FacePreviewLoader() override;
0033 
0034     void cancel();
0035     bool sentOutLimitReached() const;
0036     void checkRestart();
0037 
0038 public Q_SLOTS:
0039 
0040     void process(const FacePipelineExtendedPackage::Ptr& package);
0041     void slotImageLoaded(const LoadingDescription& loadingDescription, const DImg& img);
0042 
0043 Q_SIGNALS:
0044 
0045     void processed(const FacePipelineExtendedPackage::Ptr& package);
0046 
0047 protected:
0048 
0049     PackageLoadingDescriptionList scheduledPackages;
0050     int                           maximumSentOutPackages;
0051     FacePipeline::Private* const  d;
0052 
0053 private:
0054 
0055     // Disable
0056     FacePreviewLoader(const FacePreviewLoader&)            = delete;
0057     FacePreviewLoader& operator=(const FacePreviewLoader&) = delete;
0058 };
0059 
0060 } // namespace Digikam
0061 
0062 #endif // DIGIKAM_FACE_PREVIEW_LOADER_H