File indexing completed on 2024-05-12 15:58:52

 /*
  *  SPDX-FileCopyrightText: 2018 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 
 #include "KisSelectionUpdateCompressor.h"
 #include "kis_image.h"
 #include "kis_selection.h"
 #include "kis_layer_utils.h"
 #include "kis_update_selection_job.h"
 
 
 KisSelectionUpdateCompressor::KisSelectionUpdateCompressor(KisSelection *selection)
     : m_parentSelection(selection)
     , m_updateSignalCompressor(new KisThreadSafeSignalCompressor(100, KisSignalCompressor::POSTPONE))
 {
     connect(m_updateSignalCompressor, SIGNAL(timeout()), this, SLOT(startUpdateJob()));
 
     this->moveToThread(m_updateSignalCompressor->thread());
 }
 
 KisSelectionUpdateCompressor::~KisSelectionUpdateCompressor()
 {
     m_updateSignalCompressor->deleteLater();
 }
 
 void KisSelectionUpdateCompressor::requestUpdate(const QRect &updateRect)
 {
     m_fullUpdateRequested |= updateRect.isEmpty();
     m_updateRect = !m_fullUpdateRequested ? m_updateRect | updateRect : QRect();
     m_updateSignalCompressor->start();
 }
 
 void KisSelectionUpdateCompressor::tryProcessStalledUpdate()
 {
     if (m_hasStalledUpdate) {
         m_updateSignalCompressor->start();
     }
 }
 
 void KisSelectionUpdateCompressor::startUpdateJob()
 {
     KisNodeSP parentNode = m_parentSelection->parentNode();
     if (!parentNode) {
         m_hasStalledUpdate = true;
         return;
     }
 
     // FIXME: we cannot use parentNode->image() here because masks don't
     //        have the pointer initialized for some reason.
     KisImageSP image = KisLayerUtils::findImageByHierarchy(parentNode);
     if (!image) {
         m_hasStalledUpdate = true;
         return;
     }
 
     if (image) {
         image->addSpontaneousJob(new KisUpdateSelectionJob(m_parentSelection, m_updateRect));
     }
     m_updateRect = QRect();
     m_fullUpdateRequested = false;
     m_hasStalledUpdate = false;
 }