File indexing completed on 2024-05-12 15:58:15

 /*
  *  SPDX-FileCopyrightText: 2005 Cyrille Berger <cberger@cberger.net>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 #ifndef KIS_EXIF_INFO_VISITOR_H
 #define KIS_EXIF_INFO_VISITOR_H
 
 #include <kis_node_visitor.h>
 #include <kis_meta_data_store.h>
 #include <kis_meta_data_filter_registry_model.h>
 #include <kis_paint_layer.h>
 #include <kis_group_layer.h>
 
 /**
  * @brief The KisExifInfoVisitor class looks for a layer with metadata.
  *
  * If there is more than one layer with metadata, the metadata provided
  * by the visitor is the metadata associated with the last layer that
  * had metadata on it. Only use the metadata if only one layer with
  * metadata was found.
  *
  * The metadata pointer is OWNED by the layer.
  *
  */
 class KisExifInfoVisitor : public KisNodeVisitor
 {
 public:
 
     KisExifInfoVisitor() { }
 
     bool visit(KisNode*) override {
         return true;
     }
     bool visit(KisCloneLayer*) override {
         return true;
     }
     bool visit(KisFilterMask*) override {
         return true;
     }
     bool visit(KisTransformMask*) override {
         return true;
     }
     bool visit(KisTransparencyMask*) override {
         return true;
     }
     bool visit(KisSelectionMask*) override {
         return true;
     }
     bool visit(KisColorizeMask*) override {
         return true;
     }
     bool visit(KisExternalLayer*) override {
         return true;
     }
     bool visit(KisGeneratorLayer*) override {
         return true;
     }
     bool visit(KisAdjustmentLayer*) override {
         return true;
     }
 
     bool visit(KisPaintLayer* layer) override {
         if (!layer->metaData()->empty()) {
             m_metaDataObjectsEncountered++;
             m_exifInfo = layer->metaData();
         }
         return true;
     }
 
     bool visit(KisGroupLayer* layer) override {
         dbgMetaData << "Visiting on grouplayer" << layer->name() << "";
         return visitAll(layer, true);
     }
 
 public:
     inline uint metaDataCount()
     {
         dbgImage << "number of layers with metadata" << m_metaDataObjectsEncountered;
         return m_metaDataObjectsEncountered;
     }
 
     inline KisMetaData::Store* exifInfo()
     {
         return m_exifInfo;
     }
 private:
     KisMetaData::Store *m_exifInfo {0};
     int m_metaDataObjectsEncountered {0};
 };
 
 #endif