1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
|
/**
* SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
*
* This file is part of the KD Chart library.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <QApplication>
#include <KChartWidget>
#include <KChartLineDiagram>
#include <KChartCartesianAxis>
#include <KChartDataValueAttributes>
using namespace KChart;
int main( int argc, char** argv ) {
QApplication app( argc, argv );
Widget widget;
widget.resize( 600, 600 );
QVector< qreal > vec1;
vec1 << 25 << 16 << 9 << 4 << 1 << 0
<< 1 << 4 << 9 << 16 << 25;
// assign your datasets
// while setting the legend
// items text
widget.setDataset( 0, vec1, "vec1" );
// add and position
widget.addLegend(Position::North);
// configure the axes
CartesianAxis *xAxis = new CartesianAxis( widget.lineDiagram() );
CartesianAxis *yAxis = new CartesianAxis (widget.lineDiagram() );
xAxis->setPosition ( CartesianAxis::Bottom );
yAxis->setPosition ( CartesianAxis::Left );
xAxis->setTitleText ( "Abscissa bottom position" );
yAxis->setTitleText ( "Ordinate left position" );
// configure Xaxis labels
// no need to re-write labels it iterates until all
// labels are written
QStringList daysOfWeek;
daysOfWeek << "Monday" << "Tuesday" << "Wednesday";
QStringList shortDays;
shortDays << "Mon" << "Tue" << "Wed";
// set user configured x axis labels
xAxis->setLabels( daysOfWeek );
xAxis->setShortLabels( shortDays );
widget.lineDiagram()->addAxis( xAxis );
widget.lineDiagram()->addAxis( yAxis );
// show data values
DataValueAttributes a( widget.lineDiagram()->dataValueAttributes() );
a.setVisible( true );
widget.lineDiagram()->setDataValueAttributes( a );
// make sure data values are displayed at the borders
widget.setGlobalLeading( 20, 20, 20, 20 );
widget.show();
return app.exec();
}
|