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Ported Polygon->is_counter_clockwise() and rearranged code in .cpp files
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27 changed files with 675 additions and 660 deletions
55
xs/src/Polygon.cpp
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55
xs/src/Polygon.cpp
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#include <myinit.h>
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#include "ClipperUtils.hpp"
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#include "Polygon.hpp"
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#include "Polyline.hpp"
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namespace Slic3r {
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SV*
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Polygon::to_SV_ref() {
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SV* sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::Polygon", new Polygon(*this) );
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return sv;
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}
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Lines
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Polygon::lines()
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{
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Lines lines;
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for (int i = 0; i < this->points.size()-1; i++) {
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lines.push_back(Line(this->points[i], this->points[i+1]));
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}
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lines.push_back(Line(this->points.back(), this->points.front()));
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return lines;
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}
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Polyline*
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Polygon::split_at_index(int index)
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{
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Polyline* poly = new Polyline;
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for (int i = index; i < this->points.size(); i++) {
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poly->points.push_back( this->points[i] );
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}
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for (int i = 0; i <= index; i++) {
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poly->points.push_back( this->points[i] );
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}
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return poly;
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}
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Polyline*
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Polygon::split_at_first_point()
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{
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return this->split_at_index(0);
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}
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bool
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Polygon::is_counter_clockwise()
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{
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ClipperLib::Polygon* p = new ClipperLib::Polygon();
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Slic3rPolygon_to_ClipperPolygon(*this, *p);
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bool orientation = ClipperLib::Orientation(*p);
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delete p;
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return orientation;
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}
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}
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