File indexing completed on 2025-01-05 03:53:10

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2012-03-15
  * Description : a tool to create panorama by fusion of several images.
  *
  * SPDX-FileCopyrightText: 2012-2016 by Benjamin Girault <benjamin dot girault at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "createpreviewtask.h"
 
 // Qt includes
 
 #include <QFile>
 
 // KDE includes
 
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "digikam_debug.h"
 
 namespace DigikamGenericPanoramaPlugin
 {
 
 CreatePreviewTask::CreatePreviewTask(const QString& workDirPath,
                                      QSharedPointer<const PTOType> inputPTO,
                                      QUrl& previewPtoUrl,
                                      const PanoramaItemUrlsMap& preProcessedUrlsMap)
     : PanoTask(PANO_CREATEMKPREVIEW, workDirPath),
       previewPtoUrl(previewPtoUrl),
       ptoData(inputPTO),
       preProcessedUrlsMap(preProcessedUrlsMap)
 {
 }
 
 CreatePreviewTask::~CreatePreviewTask()
 {
 }
 
 void CreatePreviewTask::run(ThreadWeaver::JobPointer, ThreadWeaver::Thread*)
 {
     PTOType data(*ptoData);
 
     if (data.images.size() != preProcessedUrlsMap.size())
     {
         errString   = i18n("Project file parsing failed.");
         qCDebug(DIGIKAM_DPLUGIN_GENERIC_LOG) << "Missing parsing data!";
         successFlag = false;
         return;
     }
 
     m_meta.load(preProcessedUrlsMap.begin().value().preprocessedUrl.toLocalFile());
     double wIn                       = (double)m_meta.getPixelSize().width();
 
     m_meta.load(preProcessedUrlsMap.begin().value().previewUrl.toLocalFile());
     double wOut                      = (double)m_meta.getPixelSize().width();
 
     double scalingFactor             = wOut / wIn;
 
     data.project.fileFormat.fileType = PTOType::Project::FileFormat::JPEG;
     data.project.fileFormat.quality  = 90;
     data.project.size.setHeight(data.project.size.height() * scalingFactor);
     data.project.size.setWidth(data.project.size.width() * scalingFactor);
     data.project.crop                = QRect();
 
     for (auto& image : data.images)
     {
         QUrl imgUrl                           = QUrl::fromLocalFile(image.fileName);
 
         PanoramaItemUrlsMap::const_iterator it;
         const PanoramaItemUrlsMap* const ppum = &preProcessedUrlsMap;
 
         for (it = ppum->constBegin() ;
              it != ppum->constEnd() && (it.value().preprocessedUrl.toLocalFile() != imgUrl.toLocalFile()) ;
              ++it);
 
         if (it == ppum->constEnd())
         {
             errString   = i18n("Unknown input file in the project file: <filename>%1</filename>", image.fileName);
             qCDebug(DIGIKAM_DPLUGIN_GENERIC_LOG) << "Unknown input File in the PTO: " << image.fileName;
             qCDebug(DIGIKAM_DPLUGIN_GENERIC_LOG) << "IMG: " << imgUrl.toLocalFile();
             successFlag = false;
 
             return;
         }
 
         image.fileName = it.value().previewUrl.toLocalFile();
         m_meta.load(image.fileName);
         image.size     = m_meta.getPixelSize();
         image.optimizationParameters.clear();
     }
 
     // Remove unnecessary stuff
 
     data.controlPoints.clear();
 
     // Add two commented line for a JPEG output
 
     data.lastComments.clear();
     data.lastComments << QLatin1String("#hugin_outputImageType jpg");
     data.lastComments << QLatin1String("#hugin_outputJPEGQuality 90");
 
     previewPtoUrl = tmpDir;
     previewPtoUrl.setPath(previewPtoUrl.path() + QLatin1String("preview.pto"));
     data.createFile(previewPtoUrl.toLocalFile());
 
     qCDebug(DIGIKAM_DPLUGIN_GENERIC_LOG) << "Preview PTO File created: " << previewPtoUrl.fileName();
 
     successFlag = true;
 }
 
 } // namespace DigikamGenericPanoramaPlugin