HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/areachart/areachartitem_p.h

Added a pie chart customization example and refactoring the pie interface.

Michal Klocek - - Load All Authors

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             areachartitem_p.h
        
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        Michal Klocek
    
Adds area chart...

              r421
            
      #ifndef AREACHARTITEM_H

      #define AREACHARTITEM_H

      #include "qchartglobal.h"

      #include "linechartitem_p.h"

      #include <QPen>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class ChartPresenter;

      class QAreaSeries;

      class AreaChartItem;

      class AreaChartItem :  public QObject ,public ChartItem

      {

          Q_OBJECT

      public:

          AreaChartItem(ChartPresenter* presenter, QAreaSeries* areaSeries, QGraphicsItem *parent = 0);

          ~ AreaChartItem();

          //from QGraphicsItem

          QRectF boundingRect() const;

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

          QPainterPath shape() const;

          void setPen(const QPen& pen);

          void setBrush(const QBrush& brush);

          void setPointsVisible(bool visible);

          void updatePath();

      public slots:

          void handleUpdated();

          void handleDomainChanged(const Domain& domain);

          void handleGeometryChanged(const QRectF& size);

      private:

          ChartPresenter* m_presenter;

          QPainterPath m_path;

          QAreaSeries* m_series;

          LineChartItem* m_upper;

          LineChartItem* m_lower;

          QRectF m_rect;

          QRectF m_clipRect;

          QPen m_pen;

          QBrush m_brush;

      };

      class AreaBoundItem : public LineChartItem

      {

      public:

          AreaBoundItem(AreaChartItem* item,ChartPresenter* presenter, QLineSeries* lineSeries):LineChartItem(presenter,lineSeries),

          m_item(item){};

          ~AreaBoundItem(){};

          void applyGeometry(QVector<QPointF>& points){

              LineChartItem::applyGeometry(points);

              m_item->updatePath();

          }

      private:

          AreaChartItem* m_item;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif

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Michal Klocek Adds area chart...	r421	#ifndef AREACHARTITEM_H
		#define AREACHARTITEM_H

		#include "qchartglobal.h"
		#include "linechartitem_p.h"
		#include <QPen>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		class ChartPresenter;
		class QAreaSeries;
		class AreaChartItem;

		class AreaChartItem : public QObject ,public ChartItem
		{
		Q_OBJECT
		public:
		AreaChartItem(ChartPresenter* presenter, QAreaSeries* areaSeries, QGraphicsItem *parent = 0);
		~ AreaChartItem();

		//from QGraphicsItem
		QRectF boundingRect() const;
		void paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget);
		QPainterPath shape() const;

		void setPen(const QPen& pen);
		void setBrush(const QBrush& brush);
		void setPointsVisible(bool visible);
		void updatePath();
		public slots:
		void handleUpdated();
		void handleDomainChanged(const Domain& domain);
		void handleGeometryChanged(const QRectF& size);

		private:
		ChartPresenter* m_presenter;
		QPainterPath m_path;
		QAreaSeries* m_series;
		LineChartItem* m_upper;
		LineChartItem* m_lower;
		QRectF m_rect;
		QRectF m_clipRect;
		QPen m_pen;
		QBrush m_brush;
		};

		class AreaBoundItem : public LineChartItem
		{
		public:
		AreaBoundItem(AreaChartItem* item,ChartPresenter* presenter, QLineSeries* lineSeries):LineChartItem(presenter,lineSeries),
		m_item(item){};

		~AreaBoundItem(){};

		void applyGeometry(QVector<QPointF>& points){
		LineChartItem::applyGeometry(points);
		m_item->updatePath();
		}

		private:
		AreaChartItem* m_item;

		};

		QTCOMMERCIALCHART_END_NAMESPACE

		#endif