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36 lines
1.5 KiB
C++
36 lines
1.5 KiB
C++
#ifndef VGRAPHICSPOINT_H
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#define VGRAPHICSPOINT_H
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#include <QGraphicsLineItem>
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#include <QGraphicsEllipseItem>
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#include "widgets/vgraphicssimpletextitem.h"
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#include "../container/vpointf.h"
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class VGraphicsPoint: public QGraphicsEllipseItem
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{
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public:
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VGraphicsPoint(QGraphicsItem *parent);
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virtual ~VGraphicsPoint();
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public slots:
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virtual void NameChangePosition(const QPointF pos)=0;
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protected:
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qreal radius;
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VGraphicsSimpleTextItem *namePoint;
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QGraphicsLineItem *lineName;
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virtual void UpdateNamePosition(qreal mx, qreal my)=0;
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void RefreshLine();
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virtual void hoverMoveEvent ( QGraphicsSceneHoverEvent * event );
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virtual void hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
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virtual void RefreshPointGeometry(const VPointF &point)=0;
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private:
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VGraphicsPoint(const VGraphicsPoint &point);
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const VGraphicsPoint &operator=(const VGraphicsPoint &point);
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QPointF LineIntersectRect(QRectF rec, QLineF line) const;
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qint32 LineIntersectCircle(QPointF center, qreal radius, QLineF line, QPointF &p1,
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QPointF &p2) const;
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QPointF ClosestPoint(QLineF line, QPointF p) const;
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QPointF addVector (QPointF p, QPointF p1, QPointF p2, qreal k) const;
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};
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#endif // VGRAPHICSPOINT_H
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