curveset.h

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/* === S Y N F I G ========================================================= */
/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_CURVESET_H
#define __SYNFIG_CURVESET_H

/* === H E A D E R S ======================================================= */
#include "blinepoint.h"
#include <vector>

/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig
{

class BLinePoint;

struct CurvePoint
{
    Point   p;
    Point   l,r;

    CurvePoint () {}
    CurvePoint(const Point &pin, const Vector &left, const Vector &right);

    CurvePoint(const BLinePoint &bpoint);
};

class CurveSet
{
    bool        invert; //winding order...

    void CleanUp(int curve = 0);
public:

    typedef std::vector<CurvePoint> region;
    typedef std::vector<region>     set_type;

    set_type    set; //specifies a region object (assumes looping)

    void SetClamp(int &i, int &si);

    //actual stuff
    CurveSet(): invert() { }

    //anything supporting iterator type operations
    template < typename Iterator >
    CurveSet(Iterator begin, Iterator end, bool invert = false):
        invert()
    {
        set.push_back(std::vector<CurvePoint>(begin,end));
        CleanUp(invert);
    }

    CurveSet operator&(const CurveSet &rhs) const;  //intersect
    CurveSet operator|(const CurveSet &rhs) const; //union
    CurveSet operator-(const CurveSet &rhs) const; //subtract


    //Point containment
    int intersect(const Point &p) const;
};

}
/* === E N D =============================================================== */

#endif