HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/charts/qmloscilloscope/datasource.cpp

Merge remote-tracking branch 'origin/5.7' into dev...

Merge remote-tracking branch 'origin/5.7' into dev Change-Id: I86dec1064d79704214e885681449ca347b193d66

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             datasource.cpp
        
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             / examples / charts / qmloscilloscope / datasource.cpp
          
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        Miikka Heikkinen
    
Updated license...

              r2854
            
      /****************************************************************************

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** Copyright (C) 2016 The Qt Company Ltd.

      ** Contact: https://www.qt.io/licensing/

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** This file is part of the Qt Charts module of the Qt Toolkit.

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** $QT_BEGIN_LICENSE:GPL$

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** Commercial License Usage

      ** Licensees holding valid commercial Qt licenses may use this file in

      ** accordance with the commercial license agreement provided with the

      ** Software or, alternatively, in accordance with the terms contained in

      ** a written agreement between you and The Qt Company. For licensing terms

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** and conditions see https://www.qt.io/terms-conditions. For further

      ** information use the contact form at https://www.qt.io/contact-us.

      **

      ** GNU General Public License Usage

      ** Alternatively, this file may be used under the terms of the GNU

      ** General Public License version 3 or (at your option) any later version

      ** approved by the KDE Free Qt Foundation. The licenses are as published by

      ** the Free Software Foundation and appearing in the file LICENSE.GPL3

      ** included in the packaging of this file. Please review the following

      ** information to ensure the GNU General Public License requirements will

      ** be met: https://www.gnu.org/licenses/gpl-3.0.html.

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** $QT_END_LICENSE$

      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ****************************************************************************/

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      #include "datasource.h"

        Titta Heikkala
    
Fix include syntax...

              r2714
            
      #include <QtCharts/QXYSeries>

      #include <QtCharts/QAreaSeries>

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      #include <QtQuick/QQuickView>

      #include <QtQuick/QQuickItem>

        Titta Heikkala
    
Fix include syntax...

              r2714
            
      #include <QtCore/QDebug>

      #include <QtCore/QtMath>

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
        Titta Heikkala
    
Qt Charts project file structure change...

              r2712
            
      QT_CHARTS_USE_NAMESPACE

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      Q_DECLARE_METATYPE(QAbstractSeries *)

        Titta Heikkala
    
Fix axes issues with oscilloscope demos...

              r2694
            
      Q_DECLARE_METATYPE(QAbstractAxis *)

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      DataSource::DataSource(QQuickView *appViewer, QObject *parent) :

          QObject(parent),

          m_appViewer(appViewer),

          m_index(-1)

      {

          qRegisterMetaType<QAbstractSeries*>();

        Titta Heikkala
    
Fix axes issues with oscilloscope demos...

              r2694
            
          qRegisterMetaType<QAbstractAxis*>();

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
          generateData(0, 5, 1024);

      }

      void DataSource::update(QAbstractSeries *series)

      {

        Heikkinen Miikka
    
Fix oscilloscope demos on android...

              r2526
            
          if (series) {

              QXYSeries *xySeries = static_cast<QXYSeries *>(series);

              m_index++;

              if (m_index > m_data.count() - 1)

                  m_index = 0;

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
        Miikka Heikkinen
    
Add QXYSeries::replace(QVector<QPointF> points) overload....

              r2798
            
              QVector<QPointF> points = m_data.at(m_index);

        Heikkinen Miikka
    
Fix oscilloscope demos on android...

              r2526
            
              // Use replace instead of clear + append, it's optimized for performance

              xySeries->replace(points);

          }

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
      }

      void DataSource::generateData(int type, int rowCount, int colCount)

      {

          // Remove previous data

        Miikka Heikkinen
    
Add QXYSeries::replace(QVector<QPointF> points) overload....

              r2798
            
          foreach (QVector<QPointF> row, m_data)

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
              row.clear();

          m_data.clear();

          // Append the new data depending on the type

          for (int i(0); i < rowCount; i++) {

        Miikka Heikkinen
    
Add QXYSeries::replace(QVector<QPointF> points) overload....

              r2798
            
              QVector<QPointF> points;

              points.reserve(colCount);

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
              for (int j(0); j < colCount; j++) {

                  qreal x(0);

                  qreal y(0);

                  switch (type) {

                  case 0:

                      // data with sin + random component

        Titta Heikkala
    
Fix Chart build on Solaris...

              r2613
            
                      y = qSin(3.14159265358979 / 50 * j) + 0.5 + (qreal) rand() / (qreal) RAND_MAX;

        Miikka Heikkinen
    
Generate charts plugin for QtQuick2 as well as QtQuick1...

              r2488
            
                      x = j;

                      break;

                  case 1:

                      // linear data

                      x = j;

                      y = (qreal) i / 10;

                      break;

                  default:

                      // unknown, do nothing

                      break;

                  }

                  points.append(QPointF(x, y));

              }

              m_data.append(points);

          }

      }

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Miikka Heikkinen Updated license...	r2854	/****************************************************************************
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	**
Miikka Heikkinen Updated license...	r2854	** Copyright (C) 2016 The Qt Company Ltd.
		** Contact: https://www.qt.io/licensing/
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	**
Miikka Heikkinen Updated license...	r2854	** This file is part of the Qt Charts module of the Qt Toolkit.
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	**
Miikka Heikkinen Updated license...	r2854	** $QT_BEGIN_LICENSE:GPL$
Titta Heikkala Updated license headers...	r2845	** Commercial License Usage
		** Licensees holding valid commercial Qt licenses may use this file in
		** accordance with the commercial license agreement provided with the
		** Software or, alternatively, in accordance with the terms contained in
		** a written agreement between you and The Qt Company. For licensing terms
Miikka Heikkinen Updated license...	r2854	** and conditions see https://www.qt.io/terms-conditions. For further
		** information use the contact form at https://www.qt.io/contact-us.
		**
		** GNU General Public License Usage
		** Alternatively, this file may be used under the terms of the GNU
		** General Public License version 3 or (at your option) any later version
		** approved by the KDE Free Qt Foundation. The licenses are as published by
		** the Free Software Foundation and appearing in the file LICENSE.GPL3
		** included in the packaging of this file. Please review the following
		** information to ensure the GNU General Public License requirements will
		** be met: https://www.gnu.org/licenses/gpl-3.0.html.
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	**
Titta Heikkala Updated license headers...	r2845	** $QT_END_LICENSE$
		**
Miikka Heikkinen Updated license...	r2854	****************************************************************************/
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
		#include "datasource.h"
Titta Heikkala Fix include syntax...	r2714	#include <QtCharts/QXYSeries>
		#include <QtCharts/QAreaSeries>
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	#include <QtQuick/QQuickView>
		#include <QtQuick/QQuickItem>
Titta Heikkala Fix include syntax...	r2714	#include <QtCore/QDebug>
		#include <QtCore/QtMath>
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_USE_NAMESPACE
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
		Q_DECLARE_METATYPE(QAbstractSeries *)
Titta Heikkala Fix axes issues with oscilloscope demos...	r2694	Q_DECLARE_METATYPE(QAbstractAxis *)
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
		DataSource::DataSource(QQuickView appViewer, QObject parent) :
		QObject(parent),
		m_appViewer(appViewer),
		m_index(-1)
		{
		qRegisterMetaType<QAbstractSeries*>();
Titta Heikkala Fix axes issues with oscilloscope demos...	r2694	qRegisterMetaType<QAbstractAxis*>();
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
		generateData(0, 5, 1024);
		}

		void DataSource::update(QAbstractSeries *series)
		{
Heikkinen Miikka Fix oscilloscope demos on android...	r2526	if (series) {
		QXYSeries xySeries = static_cast<QXYSeries >(series);
		m_index++;
		if (m_index > m_data.count() - 1)
		m_index = 0;
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488
Miikka Heikkinen Add QXYSeries::replace(QVector<QPointF> points) overload....	r2798	QVector<QPointF> points = m_data.at(m_index);
Heikkinen Miikka Fix oscilloscope demos on android...	r2526	// Use replace instead of clear + append, it's optimized for performance
		xySeries->replace(points);
		}
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	}

		void DataSource::generateData(int type, int rowCount, int colCount)
		{
		// Remove previous data
Miikka Heikkinen Add QXYSeries::replace(QVector<QPointF> points) overload....	r2798	foreach (QVector<QPointF> row, m_data)
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	row.clear();
		m_data.clear();

		// Append the new data depending on the type
		for (int i(0); i < rowCount; i++) {
Miikka Heikkinen Add QXYSeries::replace(QVector<QPointF> points) overload....	r2798	QVector<QPointF> points;
		points.reserve(colCount);
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	for (int j(0); j < colCount; j++) {
		qreal x(0);
		qreal y(0);
		switch (type) {
		case 0:
		// data with sin + random component
Titta Heikkala Fix Chart build on Solaris...	r2613	y = qSin(3.14159265358979 / 50 * j) + 0.5 + (qreal) rand() / (qreal) RAND_MAX;
Miikka Heikkinen Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	x = j;
		break;
		case 1:
		// linear data
		x = j;
		y = (qreal) i / 10;
		break;
		default:
		// unknown, do nothing
		break;
		}
		points.append(QPointF(x, y));
		}
		m_data.append(points);
		}
		}