Warning, file /graphics/krita/sdk/tests/KisRectsCollisionsTracker.h was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
  *  SPDX-FileCopyrightText: 2017 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef KISRECTSCOLLISIONSTRACKER_H
 #define KISRECTSCOLLISIONSTRACKER_H
 
 #include <QList>
 #include <QRect>
 #include <QMutex>
 #include <QMutexLocker>
 
 #include "kis_assert.h"
 
 
 class KisRectsCollisionsTracker
 {
 public:
 
     void startAccessingRect(const QRect &rc) {
         QMutexLocker l(&m_mutex);
 
         checkUniqueAccessImpl(rc, "start");
         m_rectsInProgress.append(rc);
     }
 
     void endAccessingRect(const QRect &rc) {
         QMutexLocker l(&m_mutex);
         const bool result = m_rectsInProgress.removeOne(rc);
         KIS_SAFE_ASSERT_RECOVER_NOOP(result);
         checkUniqueAccessImpl(rc, "end");
     }
 
 private:
 
     bool checkUniqueAccessImpl(const QRect &rect, const QString &tag) {
 
         Q_FOREACH (const QRect &rc, m_rectsInProgress) {
             if (rc != rect && rect.intersects(rc)) {
                 ENTER_FUNCTION() << "FAIL: concurrent access from" << rect << "to" << rc << tag;
                 return false;
             }
         }
 
         return true;
     }
 
 private:
     QList<QRect> m_rectsInProgress;
     QMutex m_mutex;
 };
 
 #endif // KISRECTSCOLLISIONSTRACKER_H