##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Add/modify license headers
Add/modify license headers
Jani Honkonen - - Load All Authors

File last commit:

r830:b345b831b8c1
r830:b345b831b8c1
Show More
chartview.cpp
77 lines | 1.9 KiB | text/x-c | CppLexer
/ examples / ekgchart / chartview.cpp
History | Source | Raw |Copy content |Copy permalink
Jani Honkonen
Add/modify license headers
 r830 /****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
Michal Klocek
Adds ekg example draft
 r599 #include "chartview.h"
#include <QSplineSeries>
#include <QTime>
ChartView::ChartView(QWidget* parent):QChartView(parent),
m_step(1),
m_x(0),
m_y(1)
{
QTime now = QTime::currentTime();
qsrand((uint)now.msec());
setChartTitle("Three random line charts");
QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout()));
Michal Klocek
minor. updates to line ekg exampels
 r705 m_timer.setInterval(1000);
Michal Klocek
Adds ekg example draft
 r599
m_series0 = new QLineSeries(this);
QPen blue(Qt::blue);
blue.setWidth(3);
m_series0->setPen(blue);
m_series1 = new QSplineSeries(this);
Michal Klocek
minor. updates to line ekg exampels
 r705 QPen green(Qt::red);
Michal Klocek
Adds ekg example draft
 r599 green.setWidth(3);
m_series1->setPen(green);
Jani Honkonen
rename functions add() -> append()
 r796 m_series0->append(m_x,m_y);
m_series1->append(m_x,m_y);
Michal Klocek
Adds ekg example draft
 r599
Michal Klocek
minor. updates to line ekg exampels
 r705 setChartTitle("Simple EKG chart");
Michal Klocek
Adds ekg example draft
 r599 addSeries(m_series0);
addSeries(m_series1);
axisY()->setRange(-5,5);
axisX()->setRange(-9,1);
axisX()->setTicksCount(11);
m_timer.start();
}
ChartView::~ChartView()
{
}
void ChartView::handleTimeout()
{
m_x+=m_step;
m_y = qrand() % 5 - 2.5;
Jani Honkonen
rename functions add() -> append()
 r796 m_series0->append(m_x,m_y);
m_series1->append(m_x,m_y);
Michal Klocek
Improves spline interpolation...
 r622 if(m_x>=10)
{
m_series0->remove(m_x-10);
m_series1->remove(m_x-10);
}
Michal Klocek
Adds ekg example draft
 r599 scrollRight();
}