File indexing completed on 2025-01-05 03:56:31

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 28/08/2021
  * Description : Extraction of focus points by exiftool data - Sony devices
  *
  * 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
 {
 
 const float RATIO_POINT_IMAGE = 120; // this is a guess
 
 // Internal function to create af point from meta data
 namespace SonyInternal
 {
 
 FocusPoint create_af_point(float imageWidth,
                            float imageHeight,
                            float afPointWidth,
                            float afPointHeight,
                            float af_x_position,
                            float af_y_position)
 {
     return FocusPoint(af_x_position / imageWidth,
                       af_y_position / imageHeight,
                       afPointWidth,
                       afPointHeight,
                       FocusPoint::TypePoint::SelectedInFocus);
 }
 
 } // namespace SonyInternal
 
 // Main function to extract af point
 FocusPointsExtractor::ListAFPoints FocusPointsExtractor::getAFPoints_sony() const
 {
     QString TagNameRoot = QLatin1String("MakerNotes.Sony.Camera");
 
     QStringList af_info = findValue(TagNameRoot, QLatin1String("FocusLocation")).toString().split(QLatin1String(" "));
 
     if (af_info.size() < 5)
     {
         qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: Unsupported Sony Camera.";
 
         return getAFPoints_exif();
     }
 
     qCDebug(DIGIKAM_METAENGINE_LOG) << "FocusPointsExtractor: Sony Makernotes Focus Location:" << af_info;
 
     // Get size image
 
     float afImageWidth  = af_info[0].toFloat();
     float afImageHeight = af_info[1].toFloat();
 
     // Get size of af points
 
     float afPointWidth  = afImageWidth  * RATIO_POINT_IMAGE;
     float afPointHeight = afImageHeight * RATIO_POINT_IMAGE;
 
     // Get coordinate of af points
 
     float af_x_position = af_info[3].toFloat();
     float af_y_position = af_info[4].toFloat();
 
     ListAFPoints points;
     FocusPoint afpoint  = SonyInternal::create_af_point(
                                                         afImageWidth,
                                                         afImageHeight,
                                                         afPointWidth,
                                                         afPointHeight,
                                                         af_x_position,
                                                         af_y_position
                                                        );
 
     if (afpoint.getRect().isValid())
     {
         points << afpoint;
     }
 
     return points;
 }
 
 } // namespace Digikam