ReSCue - Retrieval System for Curves

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CurveCanvas.h

/****************************************************************
**
** Definition of CurveCanvas class, Qt tutorial 8
**
****************************************************************/

#ifndef RESCUE__CURVECANVAS_H
#define RESCUE__CURVECANVAS_H

#include <qwidget.h>
#include <ReSCue/polygonal_curve.h>
#include <ReSCue/Point2.h>

using namespace rescue;

typedef polygonal_curve<Point2<double> > Curve;
typedef Curve::motion Motion;

class CurveCanvas : public QWidget
{
    Q_OBJECT
 
public:
    
    CurveCanvas( QWidget *parent=0, const char *name=0 );

    QSizePolicy sizePolicy() const;

public slots:
    
    void setColor(int);
    void del();
    void clear_curve();
    void next_reparametrization();
    void prev_reparametrization();
    void motion(const Motion&);
    void match_now(double,double);
    void open(const QString&);
    void save(const QString&);
    void setEps(double);
    void setEps_prime(double);
    void change_method(const QString&);

protected:
    
    void paintEvent( QPaintEvent * );
    void mouseReleaseEvent( QMouseEvent * );

private:
    
    int color_id;
    QColor color;

    QString matching_method;

    Curve red_curve;
    Curve blue_curve;

    Curve result_curve;

    Curve red_kappa;
    
    Curve blue_lambda;

    double eps;
    double eps_prime;

    bool match_found;

    bool reparametrizations_available;

        Curve::vertex_iterator red_kappa_pos;

        Curve::vertex_iterator blue_lambda_pos;

};

#endif // CURVECANVAS_H

ReSCue - Retrieval System for Curves
Universität Bonn, Institut für Informatik III, 2001