55 lines
1.1 KiB
C++
55 lines
1.1 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 "Point.hpp"
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namespace Slic3r {
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typedef std::vector<Point> Polygon;
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typedef std::vector<Polygon> Polygons;
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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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SV* arrayref();
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};
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void
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perl2polygon(SV* poly_sv, Polygon& poly)
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{
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AV* poly_av = (AV*)SvRV(poly_sv);
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const unsigned int num_points = av_len(poly_av)+1;
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poly.resize(num_points);
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for (unsigned int i = 0; i < num_points; i++) {
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SV** point_sv = av_fetch(poly_av, i, 0);
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AV* point_av = (AV*)SvRV(*point_sv);
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Point& p = poly[i];
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p.x = (unsigned long)SvIV(*av_fetch(point_av, 0, 0));
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p.y = (unsigned long)SvIV(*av_fetch(point_av, 1, 0));
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}
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}
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SV*
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polygon2perl(Polygon& poly) {
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const unsigned int num_points = poly.size();
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AV* av = newAV();
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av_extend(av, num_points-1);
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for (unsigned int i = 0; i < num_points; i++) {
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av_store(av, i, point2perl(poly[i]));
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}
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return (SV*)newRV_noinc((SV*)av);
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}
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}
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#endif
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