Ported Polygon->is_counter_clockwise() and rearranged code in .cpp files

This commit is contained in:
Alessandro Ranellucci 2013-07-16 21:04:14 +02:00
parent bd3fb21cfd
commit fe061b19ad
27 changed files with 675 additions and 660 deletions

55
xs/src/Polygon.cpp Normal file
View file

@ -0,0 +1,55 @@
#include <myinit.h>
#include "ClipperUtils.hpp"
#include "Polygon.hpp"
#include "Polyline.hpp"
namespace Slic3r {
SV*
Polygon::to_SV_ref() {
SV* sv = newSV(0);
sv_setref_pv( sv, "Slic3r::Polygon", new Polygon(*this) );
return sv;
}
Lines
Polygon::lines()
{
Lines lines;
for (int i = 0; i < this->points.size()-1; i++) {
lines.push_back(Line(this->points[i], this->points[i+1]));
}
lines.push_back(Line(this->points.back(), this->points.front()));
return lines;
}
Polyline*
Polygon::split_at_index(int index)
{
Polyline* poly = new Polyline;
for (int i = index; i < this->points.size(); i++) {
poly->points.push_back( this->points[i] );
}
for (int i = 0; i <= index; i++) {
poly->points.push_back( this->points[i] );
}
return poly;
}
Polyline*
Polygon::split_at_first_point()
{
return this->split_at_index(0);
}
bool
Polygon::is_counter_clockwise()
{
ClipperLib::Polygon* p = new ClipperLib::Polygon();
Slic3rPolygon_to_ClipperPolygon(*this, *p);
bool orientation = ClipperLib::Orientation(*p);
delete p;
return orientation;
}
}