HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r867:ce55182e26ac

Adds test/wavechart

Michal Klocek -

r867:ce55182e26ac

parent child

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r867:ce55182e26ac

test/wavechart/main.cpp created 644 +24 0

@@ -0,0 +1,24
	1	#include "wavechart.h"
	2	#include <QApplication>
	3	#include <QMainWindow>
	4	#include <QGLWidget>
	5
	6	int main(int argc, char *argv[])
	7	{
	8	QApplication a(argc, argv);
	9
	10	QMainWindow window;
	11	QChart *chart = new QChart();
	12	WaveChart *waveChart = new WaveChart(chart,&window);
	13
	14	waveChart->setViewport( new QGLWidget() );
	15	waveChart->setRenderHint(QPainter::Antialiasing);
	16	chart->setAnimationOptions(QChart::AllAnimations);
	17	chart->setTitle("This is wave generator.");
	18
	19	window.setCentralWidget(waveChart);
	20	window.resize(400, 300);
	21	window.show();
	22
	23	return a.exec();
	24	}

test/wavechart/wavechart.cpp created 644 +48 0

@@ -0,0 +1,48
	1	#include "wavechart.h"
	2	#include <cmath>
	3
	4	QTCOMMERCIALCHART_USE_NAMESPACE
	5
	6	#define PI 3.14159265358979
	7	static const int numPoints =100;
	8
	9	WaveChart::WaveChart(QChart* chart, QWidget* parent) :
	10	QChartView(chart, parent),
	11	m_series(new QLineSeries()),
	12	m_wave(0),
	13	m_step(2 * PI / numPoints)
	14	{
	15	QPen blue(Qt::blue);
	16	blue.setWidth(3);
	17	m_series->setPen(blue);
	18
	19	QTime now = QTime::currentTime();
	20	qsrand((uint) now.msec());
	21
	22	int fluctuate = 100;
	23
	24	for (qreal x = 0; x <= 2 * PI; x += m_step) {
	25	m_series->append(x, fabs(sin(x) * fluctuate));
	26	}
	27
	28	chart->addSeries(m_series);
	29
	30	QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));
	31	m_timer.setInterval(5000);
	32	m_timer.start();
	33
	34	}
	35	;
	36
	37	void WaveChart::update()
	38	{
	39
	40	int fluctuate;
	41
	42	for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) {
	43	fluctuate = qrand() % 100;
	44	m_series->replace(x, fabs(sin(x) * fluctuate));
	45
	46	}
	47
	48	}

test/wavechart/wavechart.h created 644 +24 0

@@ -0,0 +1,24
	1	#include <QTimer>
	2	#include <QTime>
	3	#include <QObject>
	4	#include <QLineSeries>
	5	#include <QChartView>
	6
	7	QTCOMMERCIALCHART_USE_NAMESPACE
	8
	9	class WaveChart: public QChartView
	10	{
	11	Q_OBJECT
	12
	13	public:
	14	WaveChart(QChart* chart, QWidget* parent);
	15
	16	private slots:
	17	void update();
	18
	19	private:
	20	QLineSeries* m_series;
	21	int m_wave;
	22	qreal m_step;
	23	QTimer m_timer;
	24	};

test/wavechart/wavechart.pro created 644 +10 0

@@ -0,0 +1,10
	1	!include( ../test.pri ) {
	2	error( "Couldn't find the examples.pri file!" )
	3	}
	4	QT+=opengl
	5	TARGET = wavechart
	6	SOURCES += main.cpp wavechart.cpp
	7	HEADERS += wavechart.h
	8
	9
	10

test/test.pro +1 0

             TEMPLATE = subdirs
             SUBDIRS += \
                 chartwidgettest \
+                wavechart \
                 qmlchart
             !win32:{
                 SUBDIRS += auto
             }

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