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             pieslice.h
        
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      #ifndef PIESLICE_H

      #define PIESLICE_H

      #include "qchartglobal.h"

      #include "charttheme_p.h"

      #include "qpieseries.h"

      #include <QGraphicsItem>

      #include <QRectF>

      #include <QColor>

      #include <QPen>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class PiePresenter;

      class PieSliceLabel;

      class QPieSlice;

      class PieSlice : public QGraphicsObject

      {

          Q_OBJECT

      public:

          PieSlice(QGraphicsItem* parent = 0);

          ~PieSlice();

      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 Q_SLOTS:

          void handleSliceDataChanged();

          void setPieRect(QRectF rect);

          void updateGeometry();

          void updateData(const QPieSlice *sliceData);

      private:

          PieSliceLabel* m_slicelabel;

          QRectF m_pieRect;

          QPainterPath m_path;

          qreal m_angle;

          qreal m_span;

          bool m_isExploded;

          QPen m_pen;

          QBrush m_brush;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // PIESLICE_H

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				#ifndef PIESLICE_H
				#define PIESLICE_H

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

				QTCOMMERCIALCHART_BEGIN_NAMESPACE
				class PiePresenter;
				class PieSliceLabel;
				class QPieSlice;

				class PieSlice : public QGraphicsObject
				{
				Q_OBJECT

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

				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 Q_SLOTS:
				void handleSliceDataChanged();
				void setPieRect(QRectF rect);
				void updateGeometry();
				void updateData(const QPieSlice *sliceData);

				private:
				PieSliceLabel* m_slicelabel;

				QRectF m_pieRect;
				QPainterPath m_path;

				qreal m_angle;
				qreal m_span;
				bool m_isExploded;

				QPen m_pen;
				QBrush m_brush;
				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif // PIESLICE_H