Dynamic Spline Example▲
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/**
**************************************************************************
**
** 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 */