graphicsguide.h

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#ifndef GRAPHICSGUIDE_H
#define GRAPHICSGUIDE_H
 
 
#include <QGraphicsItem>
#include <QObject>
 
 
class GraphicsWidget;
 
static const int TypeGuide = QGraphicsItem::UserType+7;
static const int ZValueGuide = 10;
 
class GraphicsGuide :  public QObject, public QGraphicsItem {
    Q_OBJECT
    Q_INTERFACES (QGraphicsItem)
 
public:
    GraphicsGuide(GraphicsWidget *,
          const double &x0, const double &y0, const double &radius );
    GraphicsGuide(GraphicsWidget *,
          const double &y0, const int &width);
    bool isCircle();
    void setCircle(const QPointF &center, const double &radius) ;
    void setHorizontalLine(const QPointF &origin, const int &width) ;
    double radius();
    int width();
    enum { Type = UserType + 7 };
    int type() const { return Type; }
    void die();
    
 
protected:
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 
private: 
    GraphicsWidget *graphicsWidget;
    double m_radius;
    int m_width;
    bool circle;
 
};
 
#endif