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Implemented utility functions to operate over lines, polylines, polygons,

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surfaces.
This commit is contained in:
bubnikv 2016-11-07 22:49:11 +01:00
parent aac968162b
commit 5a81731577
13 changed files with 495 additions and 66 deletions
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27
xs/src/libslic3r/Polyline.hpp
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@ -36,6 +36,33 @@ class Polyline : public MultiPoint {
extern BoundingBox get_extents(const Polyline &polyline);
extern BoundingBox get_extents(const Polylines &polylines);
inline Lines to_lines(const Polyline &poly)
{
Lines lines;
if (poly.points.size() >= 2) {
lines.reserve(poly.points.size() - 1);
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
}
return lines;
}
inline Lines to_lines(const Polylines &polys)
{
size_t n_lines = 0;
for (size_t i = 0; i < polys.size(); ++ i)
if (polys[i].points.size() > 1)
n_lines += polys[i].points.size() - 1;
Lines lines;
lines.reserve(n_lines);
for (size_t i = 0; i < polys.size(); ++ i) {
const Polyline &poly = polys[i];
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
}
return lines;
}
class ThickPolyline : public Polyline {
public:
std::vector<coordf_t> width;