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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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31
xs/src/libslic3r/Polygon.cpp
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@ -35,16 +35,9 @@ Polygon::last_point() const
return this->points.front(); // last point == first point for polygons
}
Lines
Polygon::lines() const
Lines Polygon::lines() const
{
Lines lines;
lines.reserve(this->points.size());
for (Points::const_iterator it = this->points.begin(); it != this->points.end()-1; ++it) {
lines.push_back(Line(*it, *(it + 1)));
}
lines.push_back(Line(this->points.back(), this->points.front()));
return lines;
return to_lines(*this);
}
Polyline
@ -312,9 +305,25 @@ BoundingBox get_extents(const Polygons &polygons)
{
BoundingBox bb;
if (! polygons.empty()) {
bb = polygons.front().bounding_box();
bb = get_extents(polygons.front());
for (size_t i = 1; i < polygons.size(); ++ i)
bb.merge(polygons[i]);
bb.merge(get_extents(polygons[i]));
}
return bb;
}
BoundingBox get_extents_rotated(const Polygon &poly, double angle)
{
return get_extents_rotated(poly.points, angle);
}
BoundingBox get_extents_rotated(const Polygons &polygons, double angle)
{
BoundingBox bb;
if (! polygons.empty()) {
bb = get_extents_rotated(polygons.front().points, angle);
for (size_t i = 1; i < polygons.size(); ++ i)
bb.merge(get_extents_rotated(polygons[i].points, angle));
}
return bb;
}