HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/axis/valueaxis/polarchartvalueaxisangular.cpp

Example finalization and documentation...

Example finalization and documentation Change-Id: I0ccfa85c689bf6f9519fcce5eb38941de6d8d492 Reviewed-by: Mika Salmela <mika.salmela@digia.com>

Miikka Heikkinen - - Load All Authors

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             polarchartvalueaxisangular.cpp
        
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        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      /****************************************************************************

      **

      ** 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 "polarchartvalueaxisangular_p.h"

      #include "chartpresenter_p.h"

      #include "abstractchartlayout_p.h"

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis *axis, QGraphicsItem *item)

          : PolarChartAxisAngular(axis, item)

      {

          QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));

          QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));

      }

      PolarChartValueAxisAngular::~PolarChartValueAxisAngular()

      {

      }

      QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const

      {

          int tickCount = static_cast<QValueAxis *>(axis())->tickCount();

          Q_ASSERT(tickCount >= 2);

          QVector<qreal> points;

          points.resize(tickCount);

          const qreal d = 360.0 / qreal(tickCount - 1);

          for (int i = 0; i < tickCount; ++i) {

              qreal angularCoordinate = qreal(i) * d;

              points[i] = angularCoordinate;

          }

          return points;

      }

      void PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)

      {

          QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());

          setLabels(labelList);

      }

      void PolarChartValueAxisAngular::handleTickCountChanged(int tick)

      {

          Q_UNUSED(tick);

          QGraphicsLayoutItem::updateGeometry();

          if (presenter())

              presenter()->layout()->invalidate();

      }

      void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)

      {

          Q_UNUSED(format);

          QGraphicsLayoutItem::updateGeometry();

          if (presenter())

              presenter()->layout()->invalidate();

      }

      #include "moc_polarchartvalueaxisangular_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

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Miikka Heikkinen Add Polar chart support...	r2483	/****************************************************************************
		**
		** 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 "polarchartvalueaxisangular_p.h"
		#include "chartpresenter_p.h"
		#include "abstractchartlayout_p.h"

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis axis, QGraphicsItem item)
		: PolarChartAxisAngular(axis, item)
		{
		QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
		QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
		}

		PolarChartValueAxisAngular::~PolarChartValueAxisAngular()
		{
		}

		QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const
		{
		int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
		Q_ASSERT(tickCount >= 2);

		QVector<qreal> points;
		points.resize(tickCount);

		const qreal d = 360.0 / qreal(tickCount - 1);

		for (int i = 0; i < tickCount; ++i) {
		qreal angularCoordinate = qreal(i) * d;
		points[i] = angularCoordinate;
		}

		return points;
		}

		void PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
		{
		QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());
		setLabels(labelList);
		}

		void PolarChartValueAxisAngular::handleTickCountChanged(int tick)
		{
		Q_UNUSED(tick);
		QGraphicsLayoutItem::updateGeometry();
		if (presenter())
		presenter()->layout()->invalidate();
		}

		void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)
		{
		Q_UNUSED(format);
		QGraphicsLayoutItem::updateGeometry();
		if (presenter())
		presenter()->layout()->invalidate();
		}

		#include "moc_polarchartvalueaxisangular_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE