HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/xychart/xychartitem.cpp

Fixed background gradients direction

Michal Klocek - - Load All Authors

File last commit:

r625:d16a64d75da0


                r667:d3f5fc49a8b6

Download file

             xychartitem.cpp
        
                    156 lines
            
             | 4.2 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / src / xychart / xychartitem.cpp
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      #include "xychartitem_p.h"

      #include "qxyseries.h"

      #include "chartpresenter_p.h"

        Michal Klocek
    
Animation refactor...

              r530
            
      #include "chartanimator_p.h"

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      #include <QPainter>

        Michal Klocek
    
Refactors click signal to line,area,spline,scatter charts

              r571
            
      #include <QGraphicsSceneMouseEvent>

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      //TODO: optimize : remove points which are not visible

        Michal Klocek
    
Animation refactor...

              r530
            
      XYChartItem::XYChartItem(QXYSeries* series, QGraphicsItem *parent):ChartItem(parent),

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      m_minX(0),

      m_maxX(0),

      m_minY(0),

      m_maxY(0),

      m_series(series)

      {

          QObject::connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));

          QObject::connect(series,SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));

          QObject::connect(series,SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));

        Michal Klocek
    
Refactors click signal to line,area,spline,scatter charts

              r571
            
          QObject::connect(this,SIGNAL(clicked(const QPointF&)),series,SIGNAL(clicked(const QPointF&)));

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      }

      QPointF XYChartItem::calculateGeometryPoint(const QPointF& point) const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

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

          qreal x = (point.x() - m_minX)* deltaX;

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

          return QPointF(x,y);

      }

      QPointF XYChartItem::calculateGeometryPoint(int index) const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

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

          qreal x = (m_series->x(index) - m_minX)* deltaX;

          qreal y = (m_series->y(index) - m_minY)*-deltaY + m_size.height();

          return QPointF(x,y);

      }

      QVector<QPointF> XYChartItem::calculateGeometryPoints() const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

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

          QVector<QPointF> points;

          points.reserve(m_series->count());

          for (int i = 0; i < m_series->count(); ++i) {

            qreal x = (m_series->x(i) - m_minX)* deltaX;

            qreal y = (m_series->y(i) - m_minY)*-deltaY + m_size.height();

            points << QPointF(x,y);

          }

          return points;

      }

        Michal Klocek
    
Adds clicked(Point) to lineSeries, changes visible points handling

              r544
            
      QPointF XYChartItem::calculateDomainPoint(const QPointF& point) const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

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

          qreal x = point.x()/deltaX +m_minX;

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

          return QPointF(x,y);

      }

        Michal Klocek
    
Improves spline interpolation...

              r622
            
      void XYChartItem::updateLayout(QVector<QPointF>& oldPoints,QVector<QPointF>& newPoints,int index)

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      {

        Michal Klocek
    
Animation refactor...

              r530
            
          if(m_animator){

        Michal Klocek
    
Improves spline interpolation...

              r622
            
             m_animator->updateLayout(this,oldPoints,newPoints,index);

          }else{

              setLayout(newPoints);

        Michal Klocek
    
Animation refactor...

              r530
            
          }

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      }

        Michal Klocek
    
Unify naming setGeometry -> setLayout

              r557
            
      void XYChartItem::setLayout(QVector<QPointF>& points)

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      {

          m_points = points;

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          update();

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      }

      //handlers

      void XYChartItem::handlePointAdded(int index)

      {

          Q_ASSERT(index<m_series->count());

          Q_ASSERT(index>=0);

          QPointF point = calculateGeometryPoint(index);

          QVector<QPointF> points = m_points;

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          points.insert(index,point);

          updateLayout(m_points,points,index);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
          update();

      }

      void XYChartItem::handlePointRemoved(int index)

      {

        Marek Rosa
    
Added support for adding and removing data with model. Updated the example

              r545
            
          Q_ASSERT(index<m_series->count() + 1);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
          Q_ASSERT(index>=0);

          QVector<QPointF> points = m_points;

          points.remove(index);

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points,index);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
          update();

      }

      void XYChartItem::handlePointReplaced(int index)

      {

          Q_ASSERT(index<m_series->count());

          Q_ASSERT(index>=0);

          QPointF point = calculateGeometryPoint(index);

        Michal Klocek
    
Refactor animation to fit line,spline,scatter...

              r476
            
          QVector<QPointF> points = m_points;

        Marek Rosa
    
QXYSeries: model data orientation added. QBarSeries: some model data function placeholders

              r527
            
          points.replace(index,point);

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points,index);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
          update();

      }

      void XYChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)

      {

          m_minX=minX;

          m_maxX=maxX;

          m_minY=minY;

          m_maxY=maxY;

          if(isEmpty()) return;

          QVector<QPointF> points = calculateGeometryPoints();

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
          update();

      }

      void XYChartItem::handleGeometryChanged(const QRectF& rect)

      {

      	Q_ASSERT(rect.isValid());

      	m_size=rect.size();

      	m_clipRect=rect.translated(-rect.topLeft());

      	setPos(rect.topLeft());

        Marek Rosa
    
Table model data example

              r519
            
          if(isEmpty()) return;

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      	QVector<QPointF> points = calculateGeometryPoints();

        Michal Klocek
    
Improves spline interpolation...

              r622
            
      	updateLayout(m_points,points);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      	update();

      }

      bool XYChartItem::isEmpty()

      {

         return !m_clipRect.isValid() ||  m_maxX - m_minX == 0 || m_maxY - m_minY ==0 ;

      }

        Michal Klocek
    
Refactors click signal to line,area,spline,scatter charts

              r571
            
      void XYChartItem::mousePressEvent( QGraphicsSceneMouseEvent * event )

      {

          emit clicked(calculateDomainPoint(event->pos()));

      }

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      #include "moc_xychartitem_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Michal Klocek Add missing files from previous commit	r466	#include "xychartitem_p.h"
		#include "qxyseries.h"
		#include "chartpresenter_p.h"
Michal Klocek Animation refactor...	r530	#include "chartanimator_p.h"
Michal Klocek Add missing files from previous commit	r466	#include <QPainter>
Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	#include <QGraphicsSceneMouseEvent>
Michal Klocek Add missing files from previous commit	r466

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		//TODO: optimize : remove points which are not visible

Michal Klocek Animation refactor...	r530	XYChartItem::XYChartItem(QXYSeries* series, QGraphicsItem *parent):ChartItem(parent),
Michal Klocek Add missing files from previous commit	r466	m_minX(0),
		m_maxX(0),
		m_minY(0),
		m_maxY(0),
		m_series(series)
		{
		QObject::connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));
		QObject::connect(series,SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));
		QObject::connect(series,SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));
Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	QObject::connect(this,SIGNAL(clicked(const QPointF&)),series,SIGNAL(clicked(const QPointF&)));
Michal Klocek Add missing files from previous commit	r466	}

		QPointF XYChartItem::calculateGeometryPoint(const QPointF& point) const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = (point.x() - m_minX)* deltaX;
		qreal y = (point.y() - m_minY)*-deltaY + m_size.height();
		return QPointF(x,y);
		}


		QPointF XYChartItem::calculateGeometryPoint(int index) const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = (m_series->x(index) - m_minX)* deltaX;
		qreal y = (m_series->y(index) - m_minY)*-deltaY + m_size.height();
		return QPointF(x,y);
		}

		QVector<QPointF> XYChartItem::calculateGeometryPoints() const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);

		QVector<QPointF> points;
		points.reserve(m_series->count());
		for (int i = 0; i < m_series->count(); ++i) {
		qreal x = (m_series->x(i) - m_minX)* deltaX;
		qreal y = (m_series->y(i) - m_minY)*-deltaY + m_size.height();
		points << QPointF(x,y);
		}
		return points;
		}

Michal Klocek Adds clicked(Point) to lineSeries, changes visible points handling	r544	QPointF XYChartItem::calculateDomainPoint(const QPointF& point) const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = point.x()/deltaX +m_minX;
		qreal y = (point.y()-m_size.height())/(-deltaY)+ m_minY;
		return QPointF(x,y);
		}

Michal Klocek Improves spline interpolation...	r622	void XYChartItem::updateLayout(QVector<QPointF>& oldPoints,QVector<QPointF>& newPoints,int index)
Michal Klocek Add missing files from previous commit	r466	{
Michal Klocek Animation refactor...	r530	if(m_animator){
Michal Klocek Improves spline interpolation...	r622	m_animator->updateLayout(this,oldPoints,newPoints,index);
		}else{
		setLayout(newPoints);
Michal Klocek Animation refactor...	r530	}
Michal Klocek Add missing files from previous commit	r466	}

Michal Klocek Unify naming setGeometry -> setLayout	r557	void XYChartItem::setLayout(QVector<QPointF>& points)
Michal Klocek Add missing files from previous commit	r466	{
		m_points = points;
Michal Klocek Improves spline interpolation...	r622	update();
Michal Klocek Add missing files from previous commit	r466	}

		//handlers

		void XYChartItem::handlePointAdded(int index)
		{
		Q_ASSERT(index<m_series->count());
		Q_ASSERT(index>=0);
		QPointF point = calculateGeometryPoint(index);
		QVector<QPointF> points = m_points;
Michal Klocek Improves spline interpolation...	r622	points.insert(index,point);
		updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}
		void XYChartItem::handlePointRemoved(int index)
		{
Marek Rosa Added support for adding and removing data with model. Updated the example	r545	Q_ASSERT(index<m_series->count() + 1);
Michal Klocek Add missing files from previous commit	r466	Q_ASSERT(index>=0);
		QVector<QPointF> points = m_points;
		points.remove(index);
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}

		void XYChartItem::handlePointReplaced(int index)
		{
		Q_ASSERT(index<m_series->count());
		Q_ASSERT(index>=0);
		QPointF point = calculateGeometryPoint(index);
Michal Klocek Refactor animation to fit line,spline,scatter...	r476	QVector<QPointF> points = m_points;
Marek Rosa QXYSeries: model data orientation added. QBarSeries: some model data function placeholders	r527	points.replace(index,point);
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}

		void XYChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)
		{
		m_minX=minX;
		m_maxX=maxX;
		m_minY=minY;
		m_maxY=maxY;

		if(isEmpty()) return;
		QVector<QPointF> points = calculateGeometryPoints();
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points);
Michal Klocek Add missing files from previous commit	r466	update();
		}

		void XYChartItem::handleGeometryChanged(const QRectF& rect)
		{
		Q_ASSERT(rect.isValid());
		m_size=rect.size();
		m_clipRect=rect.translated(-rect.topLeft());
		setPos(rect.topLeft());

Marek Rosa Table model data example	r519	if(isEmpty()) return;
Michal Klocek Add missing files from previous commit	r466	QVector<QPointF> points = calculateGeometryPoints();
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points);
Michal Klocek Add missing files from previous commit	r466	update();
		}


		bool XYChartItem::isEmpty()
		{
		return !m_clipRect.isValid() \|\| m_maxX - m_minX == 0 \|\| m_maxY - m_minY ==0 ;
		}

Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	void XYChartItem::mousePressEvent( QGraphicsSceneMouseEvent * event )
		{
		emit clicked(calculateDomainPoint(event->pos()));
		}

Michal Klocek Add missing files from previous commit	r466	#include "moc_xychartitem_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE