chart.h Example File | Qt Charts 5.12.8

- Qt 5.12
- Qt Charts
- Dynamic Spline Example
- chart.h Example File
- Qt Charts | Commercial or GPLv3

# chart.h Example File

dynamicspline/chart.h

     /****************************************************************************
     **
     ** Copyright (C) 2016 The Qt Company Ltd.
     ** Contact: https://www.qt.io/licensing/
     **
     ** This file is part of the Qt Charts module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:GPL$
     ** Commercial License Usage
     ** Licensees holding valid commercial Qt licenses may use this file in
     ** accordance with the commercial license agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and The Qt Company. For licensing terms
     ** and conditions see https://www.qt.io/terms-conditions. For further
     ** information use the contact form at https://www.qt.io/contact-us.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3 or (at your option) any later version
     ** approved by the KDE Free Qt Foundation. The licenses are as published by
     ** the Free Software Foundation and appearing in the file LICENSE.GPL3
     ** included in the packaging of this file. Please review the following
     ** information to ensure the GNU General Public License requirements will
     ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #ifndef CHART_H
     #define CHART_H

     #include <QtCharts/QChart>
     #include <QtCore/QTimer>

     QT_CHARTS_BEGIN_NAMESPACE
     class QSplineSeries;
     class QValueAxis;
     QT_CHARTS_END_NAMESPACE

     QT_CHARTS_USE_NAMESPACE

     class Chart: public QChart
     {
         Q_OBJECT
     public:
         Chart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
         virtual ~Chart();

     public slots:
         void handleTimeout();

     private:
         QTimer m_timer;
         QSplineSeries *m_series;
         QStringList m_titles;
         QValueAxis *m_axisX;
         QValueAxis *m_axisY;
         qreal m_step;
         qreal m_x;
         qreal m_y;
     };

     #endif /* CHART_H */