main.cpp
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| text/x-c
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CppLexer
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r2365 | /**************************************************************************** | ||
** | ||||
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r2776 | ** Copyright (C) 2015 The Qt Company Ltd | ||
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r2365 | ** All rights reserved. | ||
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r2776 | ** For any questions to The Qt Company, please use contact form at http://qt.io | ||
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r2365 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r2365 | ** | ||
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r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
** accordance with the Qt License Agreement provided with the Software | ||||
** or, alternatively, in accordance with the terms contained in a written | ||||
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r2776 | ** agreement between you and The Qt Company. | ||
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r2365 | ** | ||
** If you have questions regarding the use of this file, please use | ||||
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r2740 | ** contact form at http://qt.io | ||
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r2365 | ** | ||
****************************************************************************/ | ||||
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r2714 | #include <QtWidgets/QApplication> | ||
#include <QtWidgets/QMainWindow> | ||||
#include <QtCharts/QChartView> | ||||
#include <QtCharts/QLineSeries> | ||||
#include <QtCharts/QValueAxis> | ||||
#include <QtCharts/QLogValueAxis> | ||||
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r2365 | |||
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r2712 | QT_CHARTS_USE_NAMESPACE | ||
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r2365 | |||
int main(int argc, char *argv[]) | ||||
{ | ||||
QApplication a(argc, argv); | ||||
//![1] | ||||
QLineSeries *series = new QLineSeries(); | ||||
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r2371 | *series << QPointF(1, 1) << QPointF(2, 73) << QPointF(3, 268) << QPointF(4, 17) << QPointF(5, 4325) << QPointF(6, 723); | ||
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r2365 | //![1] | ||
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r2374 | //![2] | ||
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r2365 | QChart *chart = new QChart(); | ||
chart->addSeries(series); | ||||
chart->legend()->hide(); | ||||
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r2374 | chart->setTitle("Logarithmic axis example"); | ||
//![2] | ||||
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r2365 | |||
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r2374 | //![3] | ||
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r2365 | QValueAxis *axisX = new QValueAxis; | ||
axisX->setTitleText("Data point"); | ||||
axisX->setTickCount(6); | ||||
axisX->setLabelFormat("%i"); | ||||
chart->addAxis(axisX, Qt::AlignBottom); | ||||
series->attachAxis(axisX); | ||||
QLogValueAxis *axisY = new QLogValueAxis; | ||||
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r2371 | axisY->setLabelFormat("%g"); | ||
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r2365 | axisY->setTitleText("Values"); | ||
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r2374 | axisY->setBase(8); | ||
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r2365 | chart->addAxis(axisY, Qt::AlignLeft); | ||
series->attachAxis(axisY); | ||||
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r2374 | //![3] | ||
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r2365 | |||
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r2374 | //![4] | ||
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r2365 | QChartView *chartView = new QChartView(chart); | ||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
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r2374 | //![4] | ||
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r2365 | |||
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r2375 | //![5] | ||
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r2365 | QMainWindow window; | ||
window.setCentralWidget(chartView); | ||||
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r2371 | window.resize(400, 300); | ||
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r2365 | window.show(); | ||
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r2714 | |||
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r2375 | //![5] | ||
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r2365 | |||
return a.exec(); | ||||
} | ||||