HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/charts/domain/logxydomain.cpp

Fix compilation with namespaced Qt....

Fix compilation with namespaced Qt. Change-Id: I359bbf5c89bd23bb1b6db1aeed8a2a4aa2ca12bf Reviewed-by: Andre Poenitz <andre.poenitz@theqtcompany.com>

Titta Heikkala - - Load All Authors

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             logxydomain.cpp
        
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             / src / charts / domain / logxydomain.cpp
          
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      /****************************************************************************

      **

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      ** Copyright (C) 2014 Digia Plc

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      ** All rights reserved.

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      ** For any questions to Digia, please use contact form at http://qt.io

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      **

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

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      **

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      ** Licensees holding valid commercial license for Qt may use this file in

      ** accordance with the Qt License Agreement provided with the Software

      ** or, alternatively, in accordance with the terms contained in a written

      ** agreement between you and Digia.

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      **

      ** If you have questions regarding the use of this file, please use

        Titta Heikkala
    
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      ** contact form at http://qt.io

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      **

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

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      #include <private/logxydomain_p.h>

      #include <private/qabstractaxis_p.h>

      #include <QtCharts/QLogValueAxis>

      #include <QtCore/QtMath>

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      QT_CHARTS_BEGIN_NAMESPACE

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      LogXYDomain::LogXYDomain(QObject *parent)

          : AbstractDomain(parent),

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            m_logLeftX(0),

            m_logRightX(1),

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            m_logBaseX(10)

      {

      }

      LogXYDomain::~LogXYDomain()

      {

      }

      void LogXYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY)

      {

          bool axisXChanged = false;

          bool axisYChanged = false;

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          adjustLogDomainRanges(minX, maxX);

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          if (!qFuzzyCompare(m_minX, minX) || !qFuzzyCompare(m_maxX, maxX)) {

              m_minX = minX;

              m_maxX = maxX;

              axisXChanged = true;

        Marek Rosa
    
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              qreal logMinX = log10(m_minX) / log10(m_logBaseX);

              qreal logMaxX = log10(m_maxX) / log10(m_logBaseX);

              m_logLeftX = logMinX < logMaxX ? logMinX : logMaxX;

              m_logRightX = logMinX > logMaxX ? logMinX : logMaxX;

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              if(!m_signalsBlocked)

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                  emit rangeHorizontalChanged(m_minX, m_maxX);

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          }

          if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) {

              m_minY = minY;

              m_maxY = maxY;

              axisYChanged = true;

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              if (!m_signalsBlocked)

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                  emit rangeVerticalChanged(m_minY, m_maxY);

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          }

          if (axisXChanged || axisYChanged)

              emit updated();

      }

      void LogXYDomain::zoomIn(const QRectF &rect)

      {

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          storeZoomReset();

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          qreal logLeftX = rect.left() * (m_logRightX - m_logLeftX) / m_size.width() + m_logLeftX;

          qreal logRightX = rect.right() * (m_logRightX - m_logLeftX) / m_size.width() + m_logLeftX;

          qreal leftX = qPow(m_logBaseX, logLeftX);

          qreal rightX = qPow(m_logBaseX, logRightX);

          qreal minX = leftX < rightX ? leftX : rightX;

          qreal maxX = leftX > rightX ? leftX : rightX;

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          qreal dy = spanY() / m_size.height();

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          qreal minY = m_minY;

          qreal maxY = m_maxY;

          minY = maxY - dy * rect.bottom();

          maxY = maxY - dy * rect.top();

          setRange(minX, maxX, minY, maxY);

      }

      void LogXYDomain::zoomOut(const QRectF &rect)

      {

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          storeZoomReset();

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          const qreal factorX = m_size.width() / rect.width();

          qreal logLeftX = m_logLeftX + (m_logRightX - m_logLeftX) / 2 * (1 - factorX);

          qreal logRIghtX = m_logLeftX + (m_logRightX - m_logLeftX) / 2 * (1 + factorX);

          qreal leftX = qPow(m_logBaseX, logLeftX);

          qreal rightX = qPow(m_logBaseX, logRIghtX);

          qreal minX = leftX < rightX ? leftX : rightX;

          qreal maxX = leftX > rightX ? leftX : rightX;

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          qreal dy = spanY() / rect.height();

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          qreal minY = m_minY;

          qreal maxY = m_maxY;

          maxY = minY + dy * rect.bottom();

          minY = maxY - dy * m_size.height();

          setRange(minX, maxX, minY, maxY);

      }

      void LogXYDomain::move(qreal dx, qreal dy)

      {

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          qreal stepX = dx * (m_logRightX - m_logLeftX) / m_size.width();

          qreal leftX = qPow(m_logBaseX, m_logLeftX + stepX);

          qreal rightX = qPow(m_logBaseX, m_logRightX + stepX);

          qreal minX = leftX < rightX ? leftX : rightX;

          qreal maxX = leftX > rightX ? leftX : rightX;

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          qreal y = spanY() / m_size.height();

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          qreal minY = m_minY;

          qreal maxY = m_maxY;

          if (dy != 0) {

              minY = minY + y * dy;

              maxY = maxY + y * dy;

          }

          setRange(minX, maxX, minY, maxY);

      }

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      QPointF LogXYDomain::calculateGeometryPoint(const QPointF &point, bool &ok) const

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      {

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          const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);

          const qreal deltaY = m_size.height() / (m_maxY - m_minY);

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          qreal x(0);

          qreal y = (point.y() - m_minY) * -deltaY + m_size.height();

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          if (point.x() > 0) {

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              x = (log10(point.x()) / log10(m_logBaseX)) * deltaX - m_logLeftX * deltaX;

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              ok = true;

          } else {

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              x = 0;

              qWarning() << "Logarithms of zero and negative values are undefined.";

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              ok = false;

          }

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          return QPointF(x, y);

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      }

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      QVector<QPointF> LogXYDomain::calculateGeometryPoints(const QList<QPointF> &vector) const

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      {

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          const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);

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          const qreal deltaY = m_size.height() / (m_maxY - m_minY);

          QVector<QPointF> result;

          result.resize(vector.count());

          for (int i = 0; i < vector.count(); ++i) {

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              if (vector[i].x() > 0) {

                  qreal x = (log10(vector[i].x()) / log10(m_logBaseX)) * deltaX - m_logLeftX * deltaX;

                  qreal y = (vector[i].y() - m_minY) * -deltaY + m_size.height();

                  result[i].setX(x);

                  result[i].setY(y);

              } else {

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                  qWarning() << "Logarithms of zero and negative values are undefined.";

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                  return QVector<QPointF>();

              }

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          }

          return result;

      }

      QPointF LogXYDomain::calculateDomainPoint(const QPointF &point) const

      {

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          const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);

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          const qreal deltaY = m_size.height() / (m_maxY - m_minY);

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          qreal x = qPow(m_logBaseX, m_logLeftX + point.x() / deltaX);

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          qreal y = (point.y() - m_size.height()) / (-deltaY) + m_minY;

          return QPointF(x, y);

      }

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      bool LogXYDomain::attachAxis(QAbstractAxis *axis)

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      {

          AbstractDomain::attachAxis(axis);

          QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis);

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          if (logAxis && logAxis->orientation() == Qt::Horizontal) {

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              QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));

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              handleHorizontalAxisBaseChanged(logAxis->base());

          }

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          return true;

      }

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      bool LogXYDomain::detachAxis(QAbstractAxis *axis)

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      {

          AbstractDomain::detachAxis(axis);

          QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis);

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          if (logAxis && logAxis->orientation() == Qt::Horizontal)

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              QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));

          return true;

      }

      void LogXYDomain::handleHorizontalAxisBaseChanged(qreal baseX)

      {

          m_logBaseX = baseX;

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          qreal logMinX = log10(m_minX) / log10(m_logBaseX);

          qreal logMaxX = log10(m_maxX) / log10(m_logBaseX);

          m_logLeftX = logMinX < logMaxX ? logMinX : logMaxX;

          m_logRightX = logMinX > logMaxX ? logMinX : logMaxX;

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          emit updated();

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      }

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      // operators

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      bool QT_CHARTS_AUTOTEST_EXPORT operator== (const LogXYDomain &domain1, const LogXYDomain &domain2)

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      {

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          return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX)

                  && qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY)

                  && qFuzzyIsNull(domain1.m_minX - domain2.m_minX)

                  && qFuzzyIsNull(domain1.m_minY - domain2.m_minY));

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      }

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      bool QT_CHARTS_AUTOTEST_EXPORT operator!= (const LogXYDomain &domain1, const LogXYDomain &domain2)

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      {

          return !(domain1 == domain2);

      }

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      QDebug QT_CHARTS_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXYDomain &domain)

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      {

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      #ifdef QT_NO_TEXTSTREAM

          Q_UNUSED(domain)

      #else

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          dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;

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      #endif

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          return dbg.maybeSpace();

      }

      #include "moc_logxydomain_p.cpp"

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Qt Charts project file structure change...

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      QT_CHARTS_END_NAMESPACE

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Marek Rosa Domains added	r2275	/****************************************************************************
		**
Titta Heikkala Update copyright year...	r2688	** Copyright (C) 2014 Digia Plc
Marek Rosa Domains added	r2275	** All rights reserved.
Titta Heikkala Updated license headers...	r2740	** For any questions to Digia, please use contact form at http://qt.io
Marek Rosa Domains added	r2275	**
Titta Heikkala Updated license headers...	r2740	** This file is part of the Qt Charts module.
Marek Rosa Domains added	r2275	**
Titta Heikkala Updated license headers...	r2740	** Licensees holding valid commercial license for Qt may use this file in
		** accordance with the Qt License Agreement provided with the Software
		** or, alternatively, in accordance with the terms contained in a written
		** agreement between you and Digia.
Marek Rosa Domains added	r2275	**
		** If you have questions regarding the use of this file, please use
Titta Heikkala Updated license headers...	r2740	** contact form at http://qt.io
Marek Rosa Domains added	r2275	**
		****************************************************************************/

Titta Heikkala Fix include syntax...	r2714	#include <private/logxydomain_p.h>
		#include <private/qabstractaxis_p.h>
		#include <QtCharts/QLogValueAxis>
		#include <QtCore/QtMath>
Marek Rosa Domains added	r2275
Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_BEGIN_NAMESPACE
Marek Rosa Domains added	r2275
		LogXYDomain::LogXYDomain(QObject *parent)
		: AbstractDomain(parent),
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	m_logLeftX(0),
		m_logRightX(1),
Marek Rosa Domains added	r2275	m_logBaseX(10)
		{
		}

		LogXYDomain::~LogXYDomain()
		{
		}

		void LogXYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY)
		{
		bool axisXChanged = false;
		bool axisYChanged = false;

Miikka Heikkinen Add Polar chart support...	r2483	adjustLogDomainRanges(minX, maxX);

Marek Rosa Domains added	r2275	if (!qFuzzyCompare(m_minX, minX) \|\| !qFuzzyCompare(m_maxX, maxX)) {
		m_minX = minX;
		m_maxX = maxX;
		axisXChanged = true;
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	qreal logMinX = log10(m_minX) / log10(m_logBaseX);
		qreal logMaxX = log10(m_maxX) / log10(m_logBaseX);
		m_logLeftX = logMinX < logMaxX ? logMinX : logMaxX;
		m_logRightX = logMinX > logMaxX ? logMinX : logMaxX;
Michal Klocek Fix domain switching	r2288	if(!m_signalsBlocked)
Marek Rosa Negative values with log axis handled	r2356	emit rangeHorizontalChanged(m_minX, m_maxX);
Marek Rosa Domains added	r2275	}

		if (!qFuzzyIsNull(m_minY - minY) \|\| !qFuzzyIsNull(m_maxY - maxY)) {
		m_minY = minY;
		m_maxY = maxY;
		axisYChanged = true;
Miikka Heikkinen Add Polar chart support...	r2483	if (!m_signalsBlocked)
Marek Rosa Negative values with log axis handled	r2356	emit rangeVerticalChanged(m_minY, m_maxY);
Marek Rosa Domains added	r2275	}

		if (axisXChanged \|\| axisYChanged)
		emit updated();
		}

		void LogXYDomain::zoomIn(const QRectF &rect)
		{
Miikka Heikkinen Added QChart::zoomReset() and QChart::isZoomed()...	r2545	storeZoomReset();
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	qreal logLeftX = rect.left() * (m_logRightX - m_logLeftX) / m_size.width() + m_logLeftX;
		qreal logRightX = rect.right() * (m_logRightX - m_logLeftX) / m_size.width() + m_logLeftX;
		qreal leftX = qPow(m_logBaseX, logLeftX);
		qreal rightX = qPow(m_logBaseX, logRightX);
		qreal minX = leftX < rightX ? leftX : rightX;
		qreal maxX = leftX > rightX ? leftX : rightX;
Marek Rosa Domains added	r2275
Marek Rosa Log domains zoomin, zoomout and move added	r2280	qreal dy = spanY() / m_size.height();
Marek Rosa Domains added	r2275	qreal minY = m_minY;
		qreal maxY = m_maxY;

		minY = maxY - dy * rect.bottom();
		maxY = maxY - dy * rect.top();

		setRange(minX, maxX, minY, maxY);
		}

		void LogXYDomain::zoomOut(const QRectF &rect)
		{
Miikka Heikkinen Added QChart::zoomReset() and QChart::isZoomed()...	r2545	storeZoomReset();
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	const qreal factorX = m_size.width() / rect.width();

		qreal logLeftX = m_logLeftX + (m_logRightX - m_logLeftX) / 2 * (1 - factorX);
		qreal logRIghtX = m_logLeftX + (m_logRightX - m_logLeftX) / 2 * (1 + factorX);
		qreal leftX = qPow(m_logBaseX, logLeftX);
		qreal rightX = qPow(m_logBaseX, logRIghtX);
		qreal minX = leftX < rightX ? leftX : rightX;
		qreal maxX = leftX > rightX ? leftX : rightX;
Marek Rosa Domains added	r2275
Marek Rosa Log domains zoomin, zoomout and move added	r2280	qreal dy = spanY() / rect.height();
Marek Rosa Domains added	r2275	qreal minY = m_minY;
		qreal maxY = m_maxY;

		maxY = minY + dy * rect.bottom();
		minY = maxY - dy * m_size.height();

		setRange(minX, maxX, minY, maxY);
		}

		void LogXYDomain::move(qreal dx, qreal dy)
		{
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	qreal stepX = dx * (m_logRightX - m_logLeftX) / m_size.width();
		qreal leftX = qPow(m_logBaseX, m_logLeftX + stepX);
		qreal rightX = qPow(m_logBaseX, m_logRightX + stepX);
		qreal minX = leftX < rightX ? leftX : rightX;
		qreal maxX = leftX > rightX ? leftX : rightX;
Marek Rosa Domains added	r2275
Marek Rosa Log domains zoomin, zoomout and move added	r2280	qreal y = spanY() / m_size.height();
Marek Rosa Domains added	r2275	qreal minY = m_minY;
		qreal maxY = m_maxY;

		if (dy != 0) {
		minY = minY + y * dy;
		maxY = maxY + y * dy;
		}
		setRange(minX, maxX, minY, maxY);
		}

Marek Rosa Negative values with log axis handled	r2356	QPointF LogXYDomain::calculateGeometryPoint(const QPointF &point, bool &ok) const
Marek Rosa Domains added	r2275	{
Titta Heikkala Fix logarithmic axis point calculation...	r2611	const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);
		const qreal deltaY = m_size.height() / (m_maxY - m_minY);
Marek Rosa Domains added	r2275
Titta Heikkala Fix logarithmic axis point calculation...	r2611	qreal x(0);
		qreal y = (point.y() - m_minY) * -deltaY + m_size.height();
Marek Rosa Negative values with log axis handled	r2356	if (point.x() > 0) {
Titta Heikkala Fix logarithmic axis point calculation...	r2611	x = (log10(point.x()) / log10(m_logBaseX)) * deltaX - m_logLeftX * deltaX;
Marek Rosa Negative values with log axis handled	r2356	ok = true;
		} else {
Titta Heikkala Fix logarithmic axis point calculation...	r2611	x = 0;
		qWarning() << "Logarithms of zero and negative values are undefined.";
Marek Rosa Negative values with log axis handled	r2356	ok = false;
		}
Titta Heikkala Fix logarithmic axis point calculation...	r2611	return QPointF(x, y);
Marek Rosa Domains added	r2275	}

Miikka Heikkinen Add Polar chart support...	r2483	QVector<QPointF> LogXYDomain::calculateGeometryPoints(const QList<QPointF> &vector) const
Marek Rosa Domains added	r2275	{
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);
Marek Rosa Domains added	r2275	const qreal deltaY = m_size.height() / (m_maxY - m_minY);

		QVector<QPointF> result;
		result.resize(vector.count());

		for (int i = 0; i < vector.count(); ++i) {
Marek Rosa Negative values with log axis handled	r2356	if (vector[i].x() > 0) {
		qreal x = (log10(vector[i].x()) / log10(m_logBaseX)) * deltaX - m_logLeftX * deltaX;
		qreal y = (vector[i].y() - m_minY) * -deltaY + m_size.height();
		result[i].setX(x);
		result[i].setY(y);
		} else {
Titta Heikkala Fix logarithmic axis point calculation...	r2611	qWarning() << "Logarithms of zero and negative values are undefined.";
Marek Rosa Negative values with log axis handled	r2356	return QVector<QPointF>();
		}
Titta Heikkala Fix logarithmic axis point calculation...	r2611
Marek Rosa Domains added	r2275	}
		return result;
		}

		QPointF LogXYDomain::calculateDomainPoint(const QPointF &point) const
		{
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	const qreal deltaX = m_size.width() / (m_logRightX - m_logLeftX);
Marek Rosa Domains added	r2275	const qreal deltaY = m_size.height() / (m_maxY - m_minY);
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	qreal x = qPow(m_logBaseX, m_logLeftX + point.x() / deltaX);
Marek Rosa Domains added	r2275	qreal y = (point.y() - m_size.height()) / (-deltaY) + m_minY;
		return QPointF(x, y);
		}

Miikka Heikkinen Add Polar chart support...	r2483	bool LogXYDomain::attachAxis(QAbstractAxis *axis)
Marek Rosa Added attach/dettach axis domain implementations	r2290	{
		AbstractDomain::attachAxis(axis);
		QLogValueAxis logAxis = qobject_cast<QLogValueAxis >(axis);

Miikka Heikkinen Add Polar chart support...	r2483	if (logAxis && logAxis->orientation() == Qt::Horizontal) {
Marek Rosa Added attach/dettach axis domain implementations	r2290	QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));
Marek Rosa Fix to domain initialization when log base was preset on axis before adding it to chart	r2295	handleHorizontalAxisBaseChanged(logAxis->base());
		}
Marek Rosa Added attach/dettach axis domain implementations	r2290
		return true;
		}

Miikka Heikkinen Add Polar chart support...	r2483	bool LogXYDomain::detachAxis(QAbstractAxis *axis)
Marek Rosa Added attach/dettach axis domain implementations	r2290	{
		AbstractDomain::detachAxis(axis);
		QLogValueAxis logAxis = qobject_cast<QLogValueAxis >(axis);

Miikka Heikkinen Add Polar chart support...	r2483	if (logAxis && logAxis->orientation() == Qt::Horizontal)
Marek Rosa Added attach/dettach axis domain implementations	r2290	QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));

		return true;
		}

		void LogXYDomain::handleHorizontalAxisBaseChanged(qreal baseX)
		{
		m_logBaseX = baseX;
Marek Rosa QChart mapping functions: return QPoint(0, 0) if series type is Pie...	r2351	qreal logMinX = log10(m_minX) / log10(m_logBaseX);
		qreal logMaxX = log10(m_maxX) / log10(m_logBaseX);
		m_logLeftX = logMinX < logMaxX ? logMinX : logMaxX;
		m_logRightX = logMinX > logMaxX ? logMinX : logMaxX;
Marek Rosa Fixed: chart not redrawing when logaxis's logBase value changed	r2322	emit updated();
Marek Rosa Added attach/dettach axis domain implementations	r2290	}

Marek Rosa Domains added	r2275	// operators

Titta Heikkala Qt Charts project file structure change...	r2712	bool QT_CHARTS_AUTOTEST_EXPORT operator== (const LogXYDomain &domain1, const LogXYDomain &domain2)
Marek Rosa Domains added	r2275	{
Miikka Heikkinen Add Polar chart support...	r2483	return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX)
		&& qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY)
		&& qFuzzyIsNull(domain1.m_minX - domain2.m_minX)
		&& qFuzzyIsNull(domain1.m_minY - domain2.m_minY));
Marek Rosa Domains added	r2275	}


Titta Heikkala Qt Charts project file structure change...	r2712	bool QT_CHARTS_AUTOTEST_EXPORT operator!= (const LogXYDomain &domain1, const LogXYDomain &domain2)
Marek Rosa Domains added	r2275	{
		return !(domain1 == domain2);
		}


Titta Heikkala Qt Charts project file structure change...	r2712	QDebug QT_CHARTS_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXYDomain &domain)
Marek Rosa Domains added	r2275	{
Titta Heikkala Fix Chart build when QT_NO_TEXTSTREAM is defined...	r2620	#ifdef QT_NO_TEXTSTREAM
		Q_UNUSED(domain)
		#else
Marek Rosa Domains added	r2275	dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;
Titta Heikkala Fix Chart build when QT_NO_TEXTSTREAM is defined...	r2620	#endif
Marek Rosa Domains added	r2275	return dbg.maybeSpace();
		}

		#include "moc_logxydomain_p.cpp"

Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_END_NAMESPACE