105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
#ifndef slic3r_ExPolygon_hpp_
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#define slic3r_ExPolygon_hpp_
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extern "C" {
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#include "EXTERN.h"
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#include "perl.h"
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#include "XSUB.h"
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#include "ppport.h"
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}
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#include "Polygon.hpp"
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#include <vector>
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namespace Slic3r {
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class ExPolygon
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{
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public:
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Polygon contour;
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Polygons holes;
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bool in_collection;
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SV* to_SV(bool pureperl = false, bool pureperl_children = false);
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void scale(double factor);
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void translate(double x, double y);
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void rotate(double angle, Point* center);
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};
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typedef std::vector<ExPolygon> ExPolygons;
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void
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ExPolygon::scale(double factor)
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{
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contour.scale(factor);
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for (Polygons::iterator it = holes.begin(); it != holes.end(); ++it) {
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(*it).scale(factor);
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}
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}
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void
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ExPolygon::translate(double x, double y)
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{
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contour.translate(x, y);
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for (Polygons::iterator it = holes.begin(); it != holes.end(); ++it) {
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(*it).translate(x, y);
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}
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}
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void
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ExPolygon::rotate(double angle, Point* center)
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{
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contour.rotate(angle, center);
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for (Polygons::iterator it = holes.begin(); it != holes.end(); ++it) {
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(*it).rotate(angle, center);
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}
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}
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SV*
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ExPolygon::to_SV(bool pureperl, bool pureperl_children)
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{
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if (pureperl) {
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const unsigned int num_holes = this->holes.size();
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AV* av = newAV();
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av_extend(av, num_holes); // -1 +1
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av_store(av, 0, this->contour.to_SV(pureperl_children, pureperl_children));
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for (unsigned int i = 0; i < num_holes; i++) {
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av_store(av, i+1, this->holes[i].to_SV(pureperl_children, pureperl_children));
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}
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return sv_bless(newRV_noinc((SV*)av), gv_stashpv("Slic3r::ExPolygon", GV_ADD));
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} else {
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SV* sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::ExPolygon::XS", this );
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return sv;
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}
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}
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void
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perl2expolygon(SV* expoly_sv, ExPolygon& expoly)
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{
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AV* expoly_av = (AV*)SvRV(expoly_sv);
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const unsigned int num_polygons = av_len(expoly_av)+1;
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expoly.holes.resize(num_polygons-1);
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SV** polygon_sv = av_fetch(expoly_av, 0, 0);
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expoly.contour.from_SV(*polygon_sv);
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for (unsigned int i = 0; i < num_polygons-1; i++) {
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polygon_sv = av_fetch(expoly_av, i+1, 0);
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expoly.holes[i].from_SV(*polygon_sv);
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}
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}
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void
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perl2expolygon_check(SV* expoly_sv, ExPolygon& expoly)
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{
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if (sv_isobject(expoly_sv) && (SvTYPE(SvRV(expoly_sv)) == SVt_PVMG)) {
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// a XS ExPolygon was supplied
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expoly = *(ExPolygon *)SvIV((SV*)SvRV( expoly_sv ));
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} else {
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// a Perl arrayref was supplied
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perl2expolygon(expoly_sv, expoly);
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}
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}
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}
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#endif
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