HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · demos/quick2oscilloscope/datasource.cpp

Fix build issues with multi-core builds in qml/quick demos...

Fix build issues with multi-core builds in qml/quick demos Qmake couldn't handle shared sources so make each app have their own copy of application viewer sources again. Change-Id: I6ee1948c91b5cc41bdd69237b106d3bfe935226c Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

Miikka Heikkinen - - Load All Authors

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

              r2488
            
      /****************************************************************************

      **

      ** Copyright (C) 2013 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 "datasource.h"

      #include <QXYSeries>

      #include <QAreaSeries>

      #include <QtQuick/QQuickView>

      #include <QtQuick/QQuickItem>

      #include <QGLWidget>

      #include <QDebug>

      #include <cmath>

      QTCOMMERCIALCHART_USE_NAMESPACE

      Q_DECLARE_METATYPE(QAbstractSeries *)

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

          QObject(parent),

          m_appViewer(appViewer),

          m_index(-1)

      {

          qRegisterMetaType<QAbstractSeries*>();

          generateData(0, 5, 1024);

      }

      void DataSource::update(QAbstractSeries *series)

      {

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

          Q_ASSERT(xySeries);

          m_index++;

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

              m_index = 0;

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

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

          xySeries->replace(points);

      }

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

      {

          // Remove previous data

          foreach (QList<QPointF> row, m_data)

              row.clear();

          m_data.clear();

          // Append the new data depending on the type

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

              QList<QPointF> points;

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

                  qreal x(0);

                  qreal y(0);

                  switch (type) {

                  case 0:

                      // data with sin + random component

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

                      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 Generate charts plugin for QtQuick2 as well as QtQuick1...	r2488	/****************************************************************************
		**
		** Copyright (C) 2013 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 "datasource.h"
		#include <QXYSeries>
		#include <QAreaSeries>
		#include <QtQuick/QQuickView>
		#include <QtQuick/QQuickItem>
		#include <QGLWidget>
		#include <QDebug>
		#include <cmath>

		QTCOMMERCIALCHART_USE_NAMESPACE

		Q_DECLARE_METATYPE(QAbstractSeries *)

		DataSource::DataSource(QQuickView appViewer, QObject parent) :
		QObject(parent),
		m_appViewer(appViewer),
		m_index(-1)
		{
		qRegisterMetaType<QAbstractSeries*>();

		generateData(0, 5, 1024);
		}

		void DataSource::update(QAbstractSeries *series)
		{
		QXYSeries xySeries = qobject_cast<QXYSeries >(series);
		Q_ASSERT(xySeries);

		m_index++;
		if (m_index > m_data.count() - 1)
		m_index = 0;

		QList<QPointF> points = m_data.at(m_index);
		// Use replace instead of clear + append, it's optimized for performance
		xySeries->replace(points);
		}

		void DataSource::generateData(int type, int rowCount, int colCount)
		{
		// Remove previous data
		foreach (QList<QPointF> row, m_data)
		row.clear();
		m_data.clear();

		// Append the new data depending on the type
		for (int i(0); i < rowCount; i++) {
		QList<QPointF> points;
		for (int j(0); j < colCount; j++) {
		qreal x(0);
		qreal y(0);
		switch (type) {
		case 0:
		// data with sin + random component
		y = sin(3.14159265358979 / 50 * j) + 0.5 + (qreal) rand() / (qreal) RAND_MAX;
		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);
		}
		}