1 /* 2 * Copyright (c) 2017 Dmitry Kazakov <dimula73@gmail.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 */ 18 19 #ifndef KISSTROKESPEEDMEASURER_H 20 #define KISSTROKESPEEDMEASURER_H 21 22 #include "kritaimage_export.h" 23 #include <QScopedPointer> 24 25 #include <QtGlobal> 26 27 class QPointF; 28 29 30 class KRITAIMAGE_EXPORT KisStrokeSpeedMeasurer 31 { 32 public: 33 KisStrokeSpeedMeasurer(int timeSmoothWindow); 34 ~KisStrokeSpeedMeasurer(); 35 36 void addSample(const QPointF &pt, int time); 37 void addSamples(const QVector<QPointF> &points, int time); 38 39 qreal averageSpeed() const; 40 qreal currentSpeed() const; 41 qreal maxSpeed() const; 42 43 void reset(); 44 45 private: 46 void sampleMaxSpeed(); 47 48 private: 49 struct Private; 50 const QScopedPointer<Private> m_d; 51 }; 52 53 #endif // KISSTROKESPEEDMEASURER_H 54