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nice numbers on for barchart examples
nice numbers on for barchart examples
Jani Honkonen - - Load All Authors

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r840:58901e478159
r893:aca72a0e3876
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chart.cpp
75 lines | 1.9 KiB | text/x-c | CppLexer
/ examples / ekgchart / chart.cpp
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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
** $QT_END_LICENSE$
**
****************************************************************************/
Jani Honkonen
Make ekgchart compile
 r840 #include "chart.h"
#include <QChartAxis>
Michal Klocek
Adds ekg example draft
 r599 #include <QSplineSeries>
#include <QTime>
Jani Honkonen
Make ekgchart compile
 r840 Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
:QChart(parent, wFlags),
m_step(1),
m_x(0),
m_y(1)
Michal Klocek
Adds ekg example draft
 r599 {
QTime now = QTime::currentTime();
qsrand((uint)now.msec());
Jani Honkonen
Make ekgchart compile
 r840 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
Make ekgchart compile
 r840 m_series0->append(m_x, m_y);
m_series1->append(m_x, m_y);
Michal Klocek
Adds ekg example draft
 r599
addSeries(m_series0);
addSeries(m_series1);
Jani Honkonen
Make ekgchart compile
 r840 axisY()->setRange(-5, 5);
axisX()->setRange(-9, 1);
Michal Klocek
Adds ekg example draft
 r599 axisX()->setTicksCount(11);
m_timer.start();
}
Jani Honkonen
Make ekgchart compile
 r840 Chart::~Chart()
Michal Klocek
Adds ekg example draft
 r599 {
}
Jani Honkonen
Make ekgchart compile
 r840 void Chart::handleTimeout()
Michal Klocek
Adds ekg example draft
 r599 {
Jani Honkonen
Make ekgchart compile
 r840 m_x += m_step;
Michal Klocek
Adds ekg example draft
 r599 m_y = qrand() % 5 - 2.5;
Jani Honkonen
Make ekgchart compile
 r840 m_series0->append(m_x, m_y);
m_series1->append(m_x, m_y);
if (m_x >= 10) {
m_series0->remove(m_x - 10);
m_series1->remove(m_x - 10);
Michal Klocek
Improves spline interpolation...
 r622 }
Michal Klocek
Adds ekg example draft
 r599 scrollRight();
}