HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · test/wavechart/wavechart.cpp

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             wavechart.cpp
        
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             / test / wavechart / wavechart.cpp
          
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        Michal Klocek
    
minor. add missing license files

              r875
            
      /****************************************************************************

      **

      ** 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

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

        Michal Klocek
    
Adds test/wavechart

              r867
            
      #include "wavechart.h"

      #include <cmath>

      QTCOMMERCIALCHART_USE_NAMESPACE

      #define PI 3.14159265358979

      static const int numPoints =100;

      WaveChart::WaveChart(QChart* chart, QWidget* parent) :

          QChartView(chart, parent),

          m_series(new QLineSeries()),

          m_wave(0),

          m_step(2 * PI / numPoints)

      {

          QPen blue(Qt::blue);

          blue.setWidth(3);

          m_series->setPen(blue);

          QTime now = QTime::currentTime();

          qsrand((uint) now.msec());

          int fluctuate = 100;

          for (qreal x = 0; x <= 2 * PI; x += m_step) {

              m_series->append(x, fabs(sin(x) * fluctuate));

          }

          chart->addSeries(m_series);

          QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));

          m_timer.setInterval(5000);

          m_timer.start();

      }

      ;

      void WaveChart::update()

      {

          int fluctuate;

        Michal Klocek
    
Fixes and improvments to series API...

              r1057
            
          const QList<QPointF>& points = m_series->points();

        Michal Klocek
    
Adds test/wavechart

              r867
            
          for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) {

              fluctuate = qrand() % 100;

        Michal Klocek
    
Fixes and improvments to series API...

              r1057
            
              m_series->replace(x,points[i].y(),x,fabs(sin(x) * fluctuate));

        Michal Klocek
    
Adds test/wavechart

              r867
            
          }

      }

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Michal Klocek minor. add missing license files	r875	/****************************************************************************
		**
		** 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
		** $QT_END_LICENSE$
		**
		****************************************************************************/

Michal Klocek Adds test/wavechart	r867	#include "wavechart.h"
		#include <cmath>

		QTCOMMERCIALCHART_USE_NAMESPACE

		#define PI 3.14159265358979
		static const int numPoints =100;

		WaveChart::WaveChart(QChart* chart, QWidget* parent) :
		QChartView(chart, parent),
		m_series(new QLineSeries()),
		m_wave(0),
		m_step(2 * PI / numPoints)
		{
		QPen blue(Qt::blue);
		blue.setWidth(3);
		m_series->setPen(blue);

		QTime now = QTime::currentTime();
		qsrand((uint) now.msec());

		int fluctuate = 100;

		for (qreal x = 0; x <= 2 * PI; x += m_step) {
		m_series->append(x, fabs(sin(x) * fluctuate));
		}

		chart->addSeries(m_series);

		QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));
		m_timer.setInterval(5000);
		m_timer.start();

		}
		;

		void WaveChart::update()
		{

		int fluctuate;
Michal Klocek Fixes and improvments to series API...	r1057	const QList<QPointF>& points = m_series->points();
Michal Klocek Adds test/wavechart	r867	for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) {
		fluctuate = qrand() % 100;
Michal Klocek Fixes and improvments to series API...	r1057	m_series->replace(x,points[i].y(),x,fabs(sin(x) * fluctuate));
Michal Klocek Adds test/wavechart	r867
		}

		}