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Bugfix: tangent horizontal mesh surfaces were not included in slices under rare circumstances, generating almost invalid polygons that confused Clipper and caused skipped layers. Includes regression test

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This commit is contained in:
Alessandro Ranellucci
2015-01-28 13:00:38 +01:00
parent 8a5a0b6726
commit b1f1893481
4 changed files with 83 additions and 21 deletions
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42
xs/src/libslic3r/SVG.cpp
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@@ -32,9 +32,17 @@ SVG::draw(const Line &line, std::string stroke)
}
void
SVG::AddLine(const IntersectionLine &line)
SVG::draw(const Lines &lines, std::string stroke)
{
this->draw(Line(line.a, line.b));
for (Lines::const_iterator it = lines.begin(); it != lines.end(); ++it)
this->draw(*it, stroke);
}
void
SVG::draw(const IntersectionLines &lines, std::string stroke)
{
for (IntersectionLines::const_iterator it = lines.begin(); it != lines.end(); ++it)
this->draw((Line)*it, stroke);
}
void
@@ -50,11 +58,25 @@ SVG::draw(const ExPolygon &expolygon, std::string fill)
this->path(d, true);
}
void
SVG::draw(const ExPolygons &expolygons, std::string fill)
{
for (ExPolygons::const_iterator it = expolygons.begin(); it != expolygons.end(); ++it)
this->draw(*it, fill);
}
void
SVG::draw(const Polygon &polygon, std::string fill)
{
this->fill = fill;
this->path(this->get_path_d(polygon, true), true);
this->path(this->get_path_d(polygon, true), !fill.empty());
}
void
SVG::draw(const Polygons &polygons, std::string fill)
{
for (Polygons::const_iterator it = polygons.begin(); it != polygons.end(); ++it)
this->draw(*it, fill);
}
void
@@ -64,6 +86,13 @@ SVG::draw(const Polyline &polyline, std::string stroke)
this->path(this->get_path_d(polyline, false), false);
}
void
SVG::draw(const Polylines &polylines, std::string stroke)
{
for (Polylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it)
this->draw(*it, fill);
}
void
SVG::draw(const Point &point, std::string fill, unsigned int radius)
{
@@ -75,6 +104,13 @@ SVG::draw(const Point &point, std::string fill, unsigned int radius)
fprintf(this->f, "%s\n", svg.str().c_str());
}
void
SVG::draw(const Points &points, std::string fill, unsigned int radius)
{
for (Points::const_iterator it = points.begin(); it != points.end(); ++it)
this->draw(*it, fill, radius);
}
void
SVG::path(const std::string &d, bool fill)
{