HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/piechart/piesliceitem_p.h

Adds loosenumber algorithm...

Adds loosenumber algorithm * adds loose numbers , natvie numbers * rewrites zoom handling * remove zoom stack since loose numbers takes control * adds number of fractional digits to show

Jani Honkonen - - Load All Authors

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             piesliceitem_p.h
        
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      #ifndef PIESLICEITEM_H

      #define PIESLICEITEM_H

      #include "qchartglobal.h"

      #include "charttheme_p.h"

      #include "qpieseries.h"

      #include "qpiesliceprivate_p.h"

      #include <QGraphicsItem>

      #include <QRectF>

      #include <QColor>

      #include <QPen>

      #define PIESLICE_LABEL_GAP 5

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class PieChartItem;

      class PieSliceLabel;

      class QPieSlice;

      class PieSliceItem : public QGraphicsObject

      {

          Q_OBJECT

      public:

          PieSliceItem(QGraphicsItem* parent = 0);

          ~PieSliceItem();

      public: // from QGraphicsItem

          QRectF boundingRect() const;

          QPainterPath shape() const;

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

          void hoverEnterEvent(QGraphicsSceneHoverEvent *event);

          void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);

          void mousePressEvent(QGraphicsSceneMouseEvent *event);

      Q_SIGNALS:

          void clicked();

          void hoverEnter();

          void hoverLeave();

      public:

          void setSliceData(PieSliceData sliceData);

          void updateGeometry();

          static QPointF sliceCenter(QPointF point, qreal radius, QPieSlice *slice);

          static QPainterPath slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart);

          static QPainterPath labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart);

          static QRectF labelTextRect(QFont font, QString text);

      private:

          PieSliceData m_data;

          QRectF m_boundingRect;

          QPainterPath m_slicePath;

          QPainterPath m_labelArmPath;

          QRectF m_labelTextRect;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // PIESLICEITEM_H

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				#ifndef PIESLICEITEM_H
				#define PIESLICEITEM_H

				#include "qchartglobal.h"
				#include "charttheme_p.h"
				#include "qpieseries.h"
				#include "qpiesliceprivate_p.h"
				#include <QGraphicsItem>
				#include <QRectF>
				#include <QColor>
				#include <QPen>

				#define PIESLICE_LABEL_GAP 5

				QTCOMMERCIALCHART_BEGIN_NAMESPACE
				class PieChartItem;
				class PieSliceLabel;
				class QPieSlice;

				class PieSliceItem : public QGraphicsObject
				{
				Q_OBJECT

				public:
				PieSliceItem(QGraphicsItem* parent = 0);
				~PieSliceItem();

				public: // from QGraphicsItem
				QRectF boundingRect() const;
				QPainterPath shape() const;
				void paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget);
				void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
				void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
				void mousePressEvent(QGraphicsSceneMouseEvent *event);

				Q_SIGNALS:
				void clicked();
				void hoverEnter();
				void hoverLeave();

				public:
				void setSliceData(PieSliceData sliceData);
				void updateGeometry();
				static QPointF sliceCenter(QPointF point, qreal radius, QPieSlice *slice);
				static QPainterPath slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart);
				static QPainterPath labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart);
				static QRectF labelTextRect(QFont font, QString text);

				private:
				PieSliceData m_data;
				QRectF m_boundingRect;
				QPainterPath m_slicePath;
				QPainterPath m_labelArmPath;
				QRectF m_labelTextRect;
				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif // PIESLICEITEM_H