%module{Slic3r::XS};

%{
#include <xsinit.h>
#include "libslic3r/Line.hpp"
#include "libslic3r/Polyline.hpp"
%}

%name{Slic3r::Line} class Line {
    ~Line();
    Clone<Line> clone()
        %code{% RETVAL = THIS; %};
    SV* arrayref()
        %code{% RETVAL = to_AV(THIS); %};
    SV* pp()
        %code{% RETVAL = to_SV_pureperl(THIS); %};
    Ref<Point> a()
        %code{% RETVAL=&THIS->a; %};
    Ref<Point> b()
        %code{% RETVAL=&THIS->b; %};
    void reverse();
    void scale(double factor);
    void translate(double x, double y);
    double length();
    double atan2_();
    double orientation();
    double direction();
    bool parallel_to(double angle);
    bool parallel_to_line(Line* line)
        %code{% RETVAL = THIS->parallel_to(*line); %};
    Clone<Point> midpoint();
    Clone<Point> intersection_infinite(Line* other)
        %code{%
            Point p;
            bool res = THIS->intersection_infinite(*other, &p);
            if (!res) CONFESS("Intersection failed");
            RETVAL = p;
        %};
    Polyline* as_polyline()
        %code{% RETVAL = new Polyline(THIS->a, THIS->b); %};
    Clone<Point> normal();
    Clone<Point> vector();
    double ccw(Point* point)
        %code{% RETVAL = cross2((THIS->a - *point).cast<double>(), (THIS->b - THIS->a).cast<double>()); %};
%{

Line*
Line::new(...)
    CODE:
        RETVAL = new Line ();
        // ST(0) is class name, ST(1) and ST(2) are endpoints
        from_SV_check(ST(1), &RETVAL->a);
        from_SV_check(ST(2), &RETVAL->b);
    OUTPUT:
        RETVAL

void
Line::rotate(angle, center_sv)
    double  angle;
    SV*     center_sv;
    CODE:
        Point center;
        from_SV_check(center_sv, &center);
        THIS->rotate(angle, center);

bool
Line::coincides_with(line_sv)
    SV*     line_sv;
    CODE:
        Line line;
        from_SV_check(line_sv, &line);
        RETVAL = (*THIS) == line;
    OUTPUT:
        RETVAL

%}
};