Slic3r/xs/src/Line.hpp

#ifndef slic3r_Line_hpp_
#define slic3r_Line_hpp_

extern "C" {
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
}

#include "Point.hpp"
#include <algorithm>

namespace Slic3r {

class Line
{
    public:
    Point a;
    Point b;
    Line() {};
    explicit Line(Point _a, Point _b): a(_a), b(_b) {};
    void from_SV(SV* line_sv);
    void from_SV_check(SV* line_sv);
    SV* to_SV();
    SV* to_SV_ref();
    SV* to_SV_pureperl();
    void scale(double factor);
    void translate(double x, double y);
    void rotate(double angle, Point* center);
    void reverse();
};

typedef std::vector<Line> Lines;

void
Line::scale(double factor)
{
    this->a.scale(factor);
    this->b.scale(factor);
}

void
Line::translate(double x, double y)
{
    this->a.translate(x, y);
    this->b.translate(x, y);
}

void
Line::rotate(double angle, Point* center)
{
    this->a.rotate(angle, center);
    this->b.rotate(angle, center);
}

void
Line::reverse()
{
    std::swap(this->a, this->b);
}

void
Line::from_SV(SV* line_sv)
{
    AV* line_av = (AV*)SvRV(line_sv);
    this->a.from_SV_check(*av_fetch(line_av, 0, 0));
    this->b.from_SV_check(*av_fetch(line_av, 1, 0));
}

void
Line::from_SV_check(SV* line_sv)
{
    if (sv_isobject(line_sv) && (SvTYPE(SvRV(line_sv)) == SVt_PVMG)) {
        *this = *(Line*)SvIV((SV*)SvRV( line_sv ));
    } else {
        this->from_SV(line_sv);
    }
}

SV*
Line::to_SV() {
    AV* av = newAV();
    av_extend(av, 1);
    
    SV* sv = newSV(0);
    sv_setref_pv( sv, "Slic3r::Point", new Point(this->a) );
    av_store(av, 0, sv);
    
    sv = newSV(0);
    sv_setref_pv( sv, "Slic3r::Point", new Point(this->b) );
    av_store(av, 1, sv);
    
    return newRV_noinc((SV*)av);
}

SV*
Line::to_SV_ref() {
    SV* sv = newSV(0);
    sv_setref_pv( sv, "Slic3r::Line", new Line(*this) );
    return sv;
}

SV*
Line::to_SV_pureperl() {
    AV* av = newAV();
    av_extend(av, 1);
    av_store(av, 0, this->a.to_SV_pureperl());
    av_store(av, 1, this->b.to_SV_pureperl());
    return newRV_noinc((SV*)av);
}

}

#endif