File indexing completed on 2024-12-22 04:13:03

 /*
  *  SPDX-FileCopyrightText: 2016 Alvin Wong <alvinhochun-at-gmail-com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef KIS_STABILIZER_DELAYED_PAINT_HELPER_H
 #define KIS_STABILIZER_DELAYED_PAINT_HELPER_H
 
 #include <QElapsedTimer>
 #include <QQueue>
 #include <QTimer>
 #include <QVector>
 
 #include <functional>
 
 #include "kis_paint_information.h"
 #include "kritaui_export.h"
 
 class KRITAUI_EXPORT KisStabilizerDelayedPaintHelper : public QObject
 {
     Q_OBJECT
 
     struct TimedPaintInfo
     {
         int elapsedTime;
         KisPaintInformation paintInfo;
         TimedPaintInfo(int elapsedTime, KisPaintInformation paintInfo);
     };
 
     QTimer m_paintTimer;
     QQueue<TimedPaintInfo> m_paintQueue;
     int m_lastPendingTime {0};
     int m_lastPaintTime {0};
     QElapsedTimer m_elapsedTimer;
 
     // Callbacks
     std::function<void(const KisPaintInformation &, const KisPaintInformation &)> m_paintLine;
     std::function<void()> m_requestUpdateOutline;
 
 public:
     KisStabilizerDelayedPaintHelper();
     ~KisStabilizerDelayedPaintHelper() override {}
 
     bool running() const {
         return m_paintTimer.isActive();
     }
 
     bool hasLastPaintInformation() const {
         return !m_paintQueue.isEmpty();
     }
 
     KisPaintInformation lastPaintInformation() const {
         // Please call hasLastPaintInformation before this
         return m_paintQueue.head().paintInfo;
     }
 
     void setPaintLineCallback(std::function<void(const KisPaintInformation &, const KisPaintInformation &)> paintLine) {
         m_paintLine = paintLine;
     }
 
     void setUpdateOutlineCallback(std::function<void()> requestUpdateOutline) {
         m_requestUpdateOutline = requestUpdateOutline;
     }
 
     void start(const KisPaintInformation &firstPaintInfo);
     void update(const QVector<KisPaintInformation> &newPaintInfos);
     void paintSome();
     void end();
     void cancel();
 
 private Q_SLOTS:
     void stabilizerDelayedPaintTimer();
 };
 
 #endif // KIS_STABILIZER_DELAYED_PAINT_HELPER_H