34 lines
835 B
C
34 lines
835 B
C
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#ifndef GRAPHICSPOLYGONITEM_H
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#define GRAPHICSPOLYGONITEM_H
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#include "graphicsBaseItem.h"
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class GraphicPolygonItem : public GraphicsBaseItem
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{
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public:
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GraphicPolygonItem(QGraphicsItem *parent = 0);
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virtual ~GraphicPolygonItem();
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void resize(int,double, double, const QPointF&);
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void updateCoordinate();
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void move(const QPointF&);
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void editShape(int, const QPointF&);
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void addPoint(const QPointF&);
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bool endDrawing();
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QPolygonF getPoints(void) { return m_points; }
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protected:
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virtual QPainterPath shape();
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virtual QRectF boundingRect();
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virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*);
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private:
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virtual void updateHandles();
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QPolygonF m_lastPoints; //记录上一时刻的点集数据，用于缩放等操作
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QPolygonF m_points;
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};
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#endif
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