main.cpp
126 lines
| 3.4 KiB
| text/x-c
|
CppLexer
Mika Salmela
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r2463 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include <QApplication> | ||||
#include <QMainWindow> | ||||
#include <QChartView> | ||||
#include <QBoxPlotSeries> | ||||
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r2486 | #include <QBoxSet> | ||
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r2463 | #include <QLegend> | ||
#include <QBarCategoryAxis> | ||||
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r2484 | #include <QLineSeries> | ||
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r2486 | #include <QScatterSeries> | ||
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r2508 | #include <QTextStream> | ||
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r2463 | |||
#include <QBrush> | ||||
#include <QColor> | ||||
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r2508 | #include "boxdatareader.h" | ||
#include <QDebug> | ||||
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r2463 | QTCOMMERCIALCHART_USE_NAMESPACE | ||
int main(int argc, char *argv[]) | ||||
{ | ||||
QApplication a(argc, argv); | ||||
//![1] | ||||
//![2] | ||||
QBoxPlotSeries *series = new QBoxPlotSeries(); | ||||
series->setName("Box & Whiskers"); | ||||
//![2] | ||||
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r2508 | QFile stockData(":stock"); | ||
if (!stockData.open(QIODevice::ReadOnly | QIODevice::Text)) { | ||||
return 1; | ||||
} | ||||
BoxDataReader dataReader(&stockData); | ||||
while (!dataReader.atEnd()) { | ||||
QBoxSet *set = dataReader.readBox(); | ||||
if (set) | ||||
series->append(set); | ||||
} | ||||
// QTextStream stream(&stockData); | ||||
// while (!stream.atEnd()) { | ||||
// QString line = stream.readLine(); | ||||
// if (line.startsWith("#")) | ||||
// continue; | ||||
// QStringList strList = line.split(" ", QString::SkipEmptyParts); | ||||
// QList<qreal> realList; | ||||
// foreach (QString str, strList) { | ||||
// realList.append(str.toDouble()); | ||||
// } | ||||
// qSort(realList.begin(), realList.end()); | ||||
// int count = realList.count(); | ||||
// int median = (int)(count / 2); | ||||
// int lowerQ = (int)(median / 2); | ||||
// int upperQ = median + lowerQ + 1; | ||||
// QBoxSet *set = new QBoxSet(); | ||||
// set->setLowerExtreme(realList.at(0)); | ||||
// set->setLowerQuartile(realList.at(lowerQ)); | ||||
// set->setMedian(realList.at(median)); | ||||
// set->setUpperQuartile(realList.at(upperQ)); | ||||
// set->setUpperExtreme(realList.last()); | ||||
// series->append(set); | ||||
// } | ||||
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r2486 | |||
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r2463 | //![3] | ||
QChart *chart = new QChart(); | ||||
chart->addSeries(series); | ||||
chart->setTitle("Simple boxplotchart example"); | ||||
chart->setAnimationOptions(QChart::SeriesAnimations); | ||||
//![3] | ||||
//![4] | ||||
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r2508 | //QStringList categories; | ||
//categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec"; | ||||
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r2463 | QBarCategoryAxis *axis = new QBarCategoryAxis(); | ||
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r2508 | //axis->append(categories); | ||
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r2463 | chart->createDefaultAxes(); | ||
chart->setAxisX(axis, series); | ||||
//![4] | ||||
//![5] | ||||
chart->legend()->setVisible(true); | ||||
chart->legend()->setAlignment(Qt::AlignBottom); | ||||
//![5] | ||||
//![6] | ||||
QChartView *chartView = new QChartView(chart); | ||||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
//![6] | ||||
//![7] | ||||
QMainWindow window; | ||||
window.setCentralWidget(chartView); | ||||
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r2486 | window.resize(600, 400); | ||
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r2463 | window.show(); | ||
//![7] | ||||
return a.exec(); | ||||
} | ||||