KisStrokeSpeedMeasurer.h

Go to the documentation of this file.

/*
 *  SPDX-FileCopyrightText: 2017 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KISSTROKESPEEDMEASURER_H
#define KISSTROKESPEEDMEASURER_H
 
#include "kritaimage_export.h"
#include <QScopedPointer>
 
#include <QtGlobal>
 
class QPointF;
 
 
class KRITAIMAGE_EXPORT KisStrokeSpeedMeasurer
{
public:
    KisStrokeSpeedMeasurer(int timeSmoothWindow);
    ~KisStrokeSpeedMeasurer();
 
    void addSample(const QPointF &pt, int time);
    void addSamples(const QVector<QPointF> &points, int time);
 
    qreal averageSpeed() const;
    qreal currentSpeed() const;
    qreal maxSpeed() const;
 
    void reset();
 
private:
    void sampleMaxSpeed();
 
private:
    struct Private;
    const QScopedPointer<Private> m_d;
};
 
#endif // KISSTROKESPEEDMEASURER_H