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Utility function SVG::export_expolygons() to paint a set of possibly

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overlapping ExPolygons with attributes.
This commit is contained in:
bubnikv 2017-03-02 16:32:43 +01:00
parent dff5bda202
commit 07fa15806f
2 changed files with 52 additions and 0 deletions
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24
xs/src/libslic3r/SVG.cpp
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@ -345,4 +345,28 @@ void SVG::export_expolygons(const char *path, const BoundingBox &bbox, const Sli
svg.Close();
}
void SVG::export_expolygons(const char *path, const std::vector<std::pair<Slic3r::ExPolygons, ExPolygonAttributes>> &expolygons_with_attributes)
{
if (expolygons_with_attributes.empty())
return;
BoundingBox bbox = get_extents(expolygons_with_attributes.front().first);
for (size_t i = 0; i < expolygons_with_attributes.size(); ++ i)
bbox.merge(get_extents(expolygons_with_attributes[i].first));
SVG svg(path, bbox);
for (const auto &exp_with_attr : expolygons_with_attributes)
svg.draw(exp_with_attr.first, exp_with_attr.second.color_fill, exp_with_attr.second.fill_opacity);
for (const auto &exp_with_attr : expolygons_with_attributes) {
std::string color_contour = exp_with_attr.second.color_contour;
if (color_contour.empty())
color_contour = exp_with_attr.second.color_fill;
std::string color_holes = exp_with_attr.second.color_holes;
if (color_holes.empty())
color_holes = color_contour;
svg.draw_outline(exp_with_attr.first, color_contour, color_holes, exp_with_attr.second.outline_width);
}
svg.Close();
}
}