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Bugfix of bottom bridges. If close regions shall be closed by bridges,

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these regions are grown to anchor the bridge lines to the bottom surface.
The grown regions may overlap. In that case the regions are now merged
before the bridging direction is calculated for the merged region.
This commit is contained in:
bubnikv 2016-09-30 15:23:18 +02:00
parent b5e24d3527
commit 3a81e6bee4
12 changed files with 265 additions and 10 deletions
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11
xs/src/libslic3r/ExPolygon.hpp
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@ -18,17 +18,28 @@ class ExPolygon
Polygons holes;
operator Points() const;
operator Polygons() const;
operator Polylines() const;
void clear() { contour.points.clear(); holes.clear(); }
void scale(double factor);
void translate(double x, double y);
void rotate(double angle);
void rotate(double angle, const Point &center);
double area() const;
bool is_valid() const;
// Contains the line / polyline / polylines etc COMPLETELY.
bool contains(const Line &line) const;
bool contains(const Polyline &polyline) const;
bool contains(const Polylines &polylines) const;
bool contains(const Point &point) const;
bool contains_b(const Point &point) const;
bool has_boundary_point(const Point &point) const;
// Does this expolygon overlap another expolygon?
// Either the ExPolygons intersect, or one is fully inside the other,
// and it is not inside a hole of the other expolygon.
bool overlap(const ExPolygon &other) const;
void simplify_p(double tolerance, Polygons* polygons) const;
Polygons simplify_p(double tolerance) const;
ExPolygons simplify(double tolerance) const;