File indexing completed on 2025-01-19 03:56:04

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 28/08/2021
  * Description : Extraction of focus points by exiftool data - XMP metadata
  *
  * SPDX-FileCopyrightText: 2021-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2021 by Phuoc Khanh Le <phuockhanhnk94 at gmail dot com>
 
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "focuspoints_extractor.h"
 
 // Local includes
 
 #include "digikam_debug.h"
 
 namespace Digikam
 {
 
 // Internal function to create af point from meta data
 namespace XmpInternal
 {
 
 FocusPoint create_af_point(float afPointWidth,
                            float afPointHeight,
                            float af_x_position,
                            float af_y_position)
 {
     return FocusPoint(af_x_position,
                       af_y_position,
                       afPointWidth,
                       afPointHeight,
                       FocusPoint::TypePoint::SelectedInFocus);
 }
 
 } // namespace XmpInternal
 
 // Main function to extract af point
 FocusPointsExtractor::ListAFPoints FocusPointsExtractor::getAFPoints_xmp() const
 {
     setAFPointsReadOnly(false);
 
     QString TagNameRoot    = QLatin1String("XMP.XMP-mwg-rs.Image");
     QString desc           = findValue(TagNameRoot, QLatin1String("RegionDescription")).toString();
 
     if (!desc.startsWith(QLatin1String("digikam")))
     {
         qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: cannot find digiKam XMP namespace.";
 
         return ListAFPoints();
     }
 
     QVariant af_x_position = findValue(TagNameRoot, QLatin1String("RegionAreaX"));
     QVariant af_y_position = findValue(TagNameRoot, QLatin1String("RegionAreaY"));
 
     if (af_x_position.isNull() || af_y_position.isNull())
     {
         qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: invalid positions from XMP.";
 
         return ListAFPoints();
     }
 
     QVariant afPointWidth  = findValue(TagNameRoot, QLatin1String("RegionAreaW"));
     QVariant afPointHeight = findValue(TagNameRoot, QLatin1String("RegionAreaH"));
 
     if (afPointWidth.isNull() || afPointHeight.isNull())
     {
         qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: invalid sizes from XMP.";
 
         return ListAFPoints();
     }
 
     qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: XMP Focus Location:" << af_x_position
                                                                                    << af_y_position
                                                                                    << afPointWidth
                                                                                    << afPointHeight;
 
     ListAFPoints points;
     FocusPoint afpoint = XmpInternal::create_af_point(
                                                       afPointWidth.toFloat(),
                                                       afPointHeight.toFloat(),
                                                       af_x_position.toFloat(),
                                                       af_y_position.toFloat()
                                                      );
 
     if (afpoint.getRect().isValid())
     {
         points << afpoint;
     }
 
     return points;
 }
 
 } // namespace Digikam