Geometry.h

#ifndef GEOMETRY_H_INCLUDE
#define GEOMETRY_H_INCLUDE

#include "Utility/DPoint.h"

#ifdef WIN32
#    define CALL_TYPE __stdcall
#else
#  ifndef CALL_TYPE
#    define CALL_TYPE
#  endif
#endif /* WIN32 */

namespace Larson
{
        #ifdef __cplusplus
        extern "C" {
        #endif


        bool PtInPolygon(DPoint *polygon,int N, DPoint p);
        bool PtInPolygonSet(DPoint *polygon,int np, unsigned char* edges, DPoint p);
        bool PtOnLine(DPoint pt0, DPoint pt1, DPoint ptMouse, double nWidth);
        bool IntersectLines(DPoint &p0, DPoint &p1, DPoint &p2, DPoint &p3, DPoint* i);
        void QuadraticToCubicBezier(DPoint &QP0, DPoint &QP1, DPoint &QP2,
                                                                          DPoint *CP1, DPoint *CP2);
        double PolygonArea(DPoint* polygon, int nPoints);

        #ifdef __cplusplus
        }
        #endif
};
#endif /* GEOMETRY_H_INCLUDE */