PrusaSlicer-NonPlainar/xs/xsp/Polyline.xsp

%module{Slic3r::XS};

%{
#include <myinit.h>
#include "ClipperUtils.hpp"
#include "Polyline.hpp"
#include "perlglue.hpp"
%}

%name{Slic3r::Polyline} class Polyline {
    ~Polyline();
    Clone<Polyline> clone()
        %code{% RETVAL = THIS; %};
    SV* arrayref()
        %code{% RETVAL = THIS->to_AV(); %};
    SV* pp()
        %code{% RETVAL = THIS->to_SV_pureperl(); %};
    void scale(double factor);
    void translate(double x, double y);
    void pop_back()
        %code{% THIS->points.pop_back(); %};
    void reverse();
    Lines lines();
    Clone<Point> first_point();
    Clone<Point> last_point();
    Points equally_spaced_points(double distance)
        %code{% THIS->equally_spaced_points(distance, &RETVAL); %};
    double length();
    bool is_valid();
    void clip_end(double distance);
    void clip_start(double distance);
    void extend_end(double distance);
    void extend_start(double distance);
    void simplify(double tolerance);
%{

Polyline*
Polyline::new(...)
    CODE:
        RETVAL = new Polyline ();
        // ST(0) is class name, ST(1) is first point
        RETVAL->points.resize(items-1);
        for (unsigned int i = 1; i < items; i++) {
            RETVAL->points[i-1].from_SV_check( ST(i) );
        }
    OUTPUT:
        RETVAL

void
Polyline::append(...)
    CODE:
        for (unsigned int i = 1; i < items; i++) {
            Point p;
            p.from_SV_check( ST(i) );
            THIS->points.push_back(p);
        }

void
Polyline::append_polyline(polyline)
    Polyline* polyline;
    CODE:
        for (Points::const_iterator it = polyline->points.begin(); it != polyline->points.end(); ++it) {
            THIS->points.push_back((*it));
        }

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

Polygons
Polyline::grow(delta, scale = CLIPPER_OFFSET_SCALE, joinType = ClipperLib::jtSquare, miterLimit = 3)
    const float             delta
    double                  scale
    ClipperLib::JoinType    joinType
    double                  miterLimit
    CODE:
        Polylines polylines;
        polylines.push_back(*THIS);
        offset(polylines, RETVAL, delta, scale, joinType, miterLimit);
    OUTPUT:
        RETVAL

%}
};