HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/datetimeaxis/main.cpp

QSplineSeries calculateControlPoints moved to splinechartitem. This way we don't need to deal with controlPoints on logaritmic scale

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        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
      /****************************************************************************

      **

      ** 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 <QLineSeries>

      #include <QDateTime>

      #include <QDateTimeAxis>

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
      #include <QFile>

      #include <QTextStream>

      #include <QDebug>

        Marek Rosa
    
Added axis titles to datetimeaxis and temperaturerecords examples

              r2201
            
      #include <QValueAxis>

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
      QTCOMMERCIALCHART_USE_NAMESPACE

      int main(int argc, char *argv[])

      {

          QApplication a(argc, argv);

        Jani Honkonen
    
coding style fixes for examples

              r2098
            
          qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          //![1]

        Jani Honkonen
    
more coding style fixes for examples...

              r2102
            
          QLineSeries *series = new QLineSeries();

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          //![1]

          //![2]

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
          // data from http://www.swpc.noaa.gov/ftpdir/weekly/RecentIndices.txt

        Marek Rosa
    
datetimeaxis example documented

              r1986
            
          // http://www.swpc.noaa.gov/ftpdir/weekly/README

          // http://www.weather.gov/disclaimer

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
          QFile sunSpots(":sun");

          if (!sunSpots.open(QIODevice::ReadOnly | QIODevice::Text)) {

              return 1;

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          }

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
          QTextStream stream(&sunSpots);

          while (!stream.atEnd()) {

              QString line = stream.readLine();

              if (line.startsWith("#") || line.startsWith(":"))

                  continue;

        Marek Rosa
    
QCategoryAxis: fix to grid lines drawing

              r1938
            
              QStringList values = line.split(" ", QString::SkipEmptyParts);

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
              QDateTime momentInTime;

        Marek Rosa
    
QCategoryAxis: fix to grid lines drawing

              r1938
            
              momentInTime.setDate(QDate(values[0].toInt(), values[1].toInt() , 15));

              series->append(momentInTime.toMSecsSinceEpoch(), values[2].toDouble());

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
          }

          sunSpots.close();

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          //![2]

          //![3]

        Jani Honkonen
    
more coding style fixes for examples...

              r2102
            
          QChart *chart = new QChart();

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          chart->addSeries(series);

        Marek Rosa
    
datetimeaxis example documented

              r1986
            
          chart->legend()->hide();

          chart->setTitle("Sunspots count (by Space Weather Prediction Center)");

          //![3]

          //![4]

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          QDateTimeAxis *axisX = new QDateTimeAxis;

        Marek Rosa
    
Update datetimeaxis example

              r1931
            
          axisX->setTickCount(10);

          axisX->setFormat("MMM yyyy");

        Michal Klocek
    
Refactors internals...

              r2273
            
          axisX->setTitleText("Date");

        Marek Rosa
    
datetimeaxis example vertical axis format set to integers

              r2332
            
          chart->addAxis(axisX, Qt::AlignBottom);

          series->attachAxis(axisX);

          QValueAxis *axisY = new QValueAxis;

          axisY->setLabelFormat("%i");

          axisY->setTitleText("Sunspots count");

          chart->addAxis(axisY, Qt::AlignLeft);

          series->attachAxis(axisY);

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          //![4]

        Marek Rosa
    
datetimeaxis example documented

              r1986
            
          //![5]

        Jani Honkonen
    
more coding style fixes for examples...

              r2102
            
          QChartView *chartView = new QChartView(chart);

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          chartView->setRenderHint(QPainter::Antialiasing);

          //![5]

        Marek Rosa
    
datetimeaxis example documented

              r1986
            
          //![6]

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          QMainWindow window;

          window.setCentralWidget(chartView);

          window.resize(800, 600);

          window.show();

        Marek Rosa
    
datetimeaxis example documented

              r1986
            
          //![6]

        Marek Rosa
    
Added DateTimeAxis Example

              r1739
            
          return a.exec();

      }

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Marek Rosa Added DateTimeAxis Example	r1739	/****************************************************************************
		**
		** 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 <QLineSeries>
		#include <QDateTime>
		#include <QDateTimeAxis>
Marek Rosa Update datetimeaxis example	r1931	#include <QFile>
		#include <QTextStream>
		#include <QDebug>
Marek Rosa Added axis titles to datetimeaxis and temperaturerecords examples	r2201	#include <QValueAxis>
Marek Rosa Added DateTimeAxis Example	r1739
		QTCOMMERCIALCHART_USE_NAMESPACE

		int main(int argc, char *argv[])
		{
		QApplication a(argc, argv);
Jani Honkonen coding style fixes for examples	r2098	qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
Marek Rosa Added DateTimeAxis Example	r1739
		//![1]
Jani Honkonen more coding style fixes for examples...	r2102	QLineSeries *series = new QLineSeries();
Marek Rosa Added DateTimeAxis Example	r1739	//![1]

		//![2]
Marek Rosa Update datetimeaxis example	r1931	// data from http://www.swpc.noaa.gov/ftpdir/weekly/RecentIndices.txt
Marek Rosa datetimeaxis example documented	r1986	// http://www.swpc.noaa.gov/ftpdir/weekly/README
		// http://www.weather.gov/disclaimer
Marek Rosa Update datetimeaxis example	r1931	QFile sunSpots(":sun");
		if (!sunSpots.open(QIODevice::ReadOnly \| QIODevice::Text)) {
		return 1;
Marek Rosa Added DateTimeAxis Example	r1739	}
Marek Rosa Update datetimeaxis example	r1931
		QTextStream stream(&sunSpots);
		while (!stream.atEnd()) {
		QString line = stream.readLine();
		if (line.startsWith("#") \|\| line.startsWith(":"))
		continue;
Marek Rosa QCategoryAxis: fix to grid lines drawing	r1938	QStringList values = line.split(" ", QString::SkipEmptyParts);
Marek Rosa Update datetimeaxis example	r1931	QDateTime momentInTime;
Marek Rosa QCategoryAxis: fix to grid lines drawing	r1938	momentInTime.setDate(QDate(values[0].toInt(), values[1].toInt() , 15));
		series->append(momentInTime.toMSecsSinceEpoch(), values[2].toDouble());
Marek Rosa Update datetimeaxis example	r1931	}
		sunSpots.close();
Marek Rosa Added DateTimeAxis Example	r1739	//![2]

		//![3]
Jani Honkonen more coding style fixes for examples...	r2102	QChart *chart = new QChart();
Marek Rosa Added DateTimeAxis Example	r1739	chart->addSeries(series);
Marek Rosa datetimeaxis example documented	r1986	chart->legend()->hide();
		chart->setTitle("Sunspots count (by Space Weather Prediction Center)");
		//![3]

		//![4]
Marek Rosa Added DateTimeAxis Example	r1739	QDateTimeAxis *axisX = new QDateTimeAxis;
Marek Rosa Update datetimeaxis example	r1931	axisX->setTickCount(10);
		axisX->setFormat("MMM yyyy");
Michal Klocek Refactors internals...	r2273	axisX->setTitleText("Date");
Marek Rosa datetimeaxis example vertical axis format set to integers	r2332	chart->addAxis(axisX, Qt::AlignBottom);
		series->attachAxis(axisX);

		QValueAxis *axisY = new QValueAxis;
		axisY->setLabelFormat("%i");
		axisY->setTitleText("Sunspots count");
		chart->addAxis(axisY, Qt::AlignLeft);
		series->attachAxis(axisY);
Marek Rosa Added DateTimeAxis Example	r1739	//![4]
Marek Rosa datetimeaxis example documented	r1986
		//![5]
Jani Honkonen more coding style fixes for examples...	r2102	QChartView *chartView = new QChartView(chart);
Marek Rosa Added DateTimeAxis Example	r1739	chartView->setRenderHint(QPainter::Antialiasing);
		//![5]
Marek Rosa datetimeaxis example documented	r1986
		//![6]
Marek Rosa Added DateTimeAxis Example	r1739	QMainWindow window;
		window.setCentralWidget(chartView);
		window.resize(800, 600);
		window.show();
Marek Rosa datetimeaxis example documented	r1986	//![6]
Marek Rosa Added DateTimeAxis Example	r1739
		return a.exec();
		}