HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · test/chartwidgettest/qseriespointgraphicsitem.cpp

Now using opaque circle to visualize scatter data

Tero Ahola - - Load All Authors

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             qseriespointgraphicsitem.cpp
        
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        Tero Ahola
    
Scatter data point now shown using a picture

              r13
            
      #include "qseriespointgraphicsitem.h"

      #include <QPainter>

      #include <QPicture>

      #include <QPixmap>

      #include <QDebug>

      QSeriesPointGraphicsItem::QSeriesPointGraphicsItem(qreal dx, qreal dy, QGraphicsItem *parent)

          : QGraphicsItem(parent),

            m_dx(dx),

            m_dy(dy)

      {

      }

      QRectF QSeriesPointGraphicsItem::boundingRect() const

      {

      //    return parentItem()->boundingRect();

          return QRectF(0, 0, 10, 10);

      }

      void QSeriesPointGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

      {

          QTransform transform = painter->transform();

          transform.translate(m_dx, m_dy);

          painter->setTransform(transform);

          QPen pen = painter->pen();

          QBrush brush = pen.brush();

        Tero Ahola
    
Now using opaque circle to visualize scatter data

              r15
            
          // TODO: The opacity should be user definable...

          brush.setColor(QColor(255, 82, 0, 50));

        Tero Ahola
    
Scatter data point now shown using a picture

              r13
            
          pen.setBrush(brush);

        Tero Ahola
    
Now using opaque circle to visualize scatter data

              r15
            
          pen.setWidth(4);

        Tero Ahola
    
Scatter data point now shown using a picture

              r13
            
          painter->setPen(pen);

        Tero Ahola
    
Now using opaque circle to visualize scatter data

              r15
            
          painter->drawArc(0, 0, 4, 4, 0, 5760);

        Tero Ahola
    
Scatter data point now shown using a picture

              r13
            
        Tero Ahola
    
Now using opaque circle to visualize scatter data

              r15
            
          // TODO: how about using a bitmap?

      //    QPixmap pixmap;

      //    pixmap.load("scatter.png");

      //    painter->drawPixmap(boundingRect().toRect(), pixmap);

        Tero Ahola
    
Scatter data point now shown using a picture

              r13
            
      //    painter->drawRect(boundingRect());

      }

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Tero Ahola Scatter data point now shown using a picture	r13	#include "qseriespointgraphicsitem.h"
		#include <QPainter>
		#include <QPicture>
		#include <QPixmap>
		#include <QDebug>

		QSeriesPointGraphicsItem::QSeriesPointGraphicsItem(qreal dx, qreal dy, QGraphicsItem *parent)
		: QGraphicsItem(parent),
		m_dx(dx),
		m_dy(dy)
		{
		}

		QRectF QSeriesPointGraphicsItem::boundingRect() const
		{
		// return parentItem()->boundingRect();
		return QRectF(0, 0, 10, 10);
		}

		void QSeriesPointGraphicsItem::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
		{
		QTransform transform = painter->transform();
		transform.translate(m_dx, m_dy);
		painter->setTransform(transform);

		QPen pen = painter->pen();
		QBrush brush = pen.brush();
Tero Ahola Now using opaque circle to visualize scatter data	r15	// TODO: The opacity should be user definable...
		brush.setColor(QColor(255, 82, 0, 50));
Tero Ahola Scatter data point now shown using a picture	r13	pen.setBrush(brush);
Tero Ahola Now using opaque circle to visualize scatter data	r15	pen.setWidth(4);
Tero Ahola Scatter data point now shown using a picture	r13	painter->setPen(pen);
Tero Ahola Now using opaque circle to visualize scatter data	r15	painter->drawArc(0, 0, 4, 4, 0, 5760);
Tero Ahola Scatter data point now shown using a picture	r13
Tero Ahola Now using opaque circle to visualize scatter data	r15	// TODO: how about using a bitmap?
		// QPixmap pixmap;
		// pixmap.load("scatter.png");
		// painter->drawPixmap(boundingRect().toRect(), pixmap);
Tero Ahola Scatter data point now shown using a picture	r13
		// painter->drawRect(boundingRect());
		}