GitHub-Proxy/Slic3r
1
0
Fork 0
mirror of https://git.mirrors.martin98.com/https://github.com/slic3r/Slic3r.git synced 2025-07-25 06:54:28 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

bugfix #60

Browse Source 
- replace cast to extrusionPath by oop methods.
This commit is contained in:
supermerill 2019-03-29 10:59:23 +01:00
parent 8bc9f645f0
commit fa0ea6e0b5
1 changed files with 24 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/libslic3r/SupportMaterial.cpp
View File

@ -2676,6 +2676,23 @@ static std::string dbg_index_to_color(int idx)
}
#endif /* SLIC3R_DEBUG */
class GetFirstPath : public ExtrusionVisitor {
public:
const ExtrusionPath *extrusion_path_template = nullptr;
virtual void use(const ExtrusionPath &path) { extrusion_path_template = &path; }
virtual void use(const ExtrusionPath3D &path3D) { extrusion_path_template = &path3D; }
virtual void use(const ExtrusionMultiPath &multipath) { if (!multipath.paths.empty()) extrusion_path_template = &multipath.paths.front(); }
virtual void use(const ExtrusionMultiPath3D &multipath) { if (!multipath.paths.empty()) extrusion_path_template = &multipath.paths.front(); }
virtual void use(const ExtrusionLoop &loop) { if (!loop.paths.empty()) extrusion_path_template = &loop.paths.front(); }
virtual void use(const ExtrusionEntityCollection &collection) {
auto it = collection.entities.begin();
while (extrusion_path_template == nullptr && it != collection.entities.end()) {
(*it)->visit(*this);
++it;
}
}
};
// When extruding a bottom interface layer over an object, the bottom interface layer is extruded in a thin air, therefore
// it is being extruded with a bridging flow to not shrink excessively (the die swell effect).
// Tiny extrusions are better avoided and it is always better to anchor the thread to an existing support structure if possible.
@ -2697,7 +2714,9 @@ void modulate_extrusion_by_overlapping_layers(
ExtrusionEntityCollection flatten_extrusions_in_out = extrusions_in_out.flatten();
// Get the initial extrusion parameters.
ExtrusionPath *extrusion_path_template = dynamic_cast<ExtrusionPath*>(flatten_extrusions_in_out.entities.front());
GetFirstPath getFirstPathVisitor;
flatten_extrusions_in_out.entities.front()->visit(getFirstPathVisitor);
const ExtrusionPath *extrusion_path_template = getFirstPathVisitor.extrusion_path_template;
assert(extrusion_path_template != nullptr);
ExtrusionRole extrusion_role = extrusion_path_template->role();
float extrusion_width = extrusion_path_template->width;
@ -2773,9 +2792,10 @@ void modulate_extrusion_by_overlapping_layers(
{
Polylines &polylines = path_fragments.back().polylines;
for (ExtrusionEntitiesPtr::const_iterator it = flatten_extrusions_in_out.entities.begin(); it != flatten_extrusions_in_out.entities.end(); ++it) {
ExtrusionPath *path = dynamic_cast<ExtrusionPath*>(*it);
assert(path != nullptr);
polylines.emplace_back(Polyline(std::move(path->polyline)));
Polylines polylines_from_entity = (*it)->as_polylines();
for (Polyline &polyline : polylines_from_entity) {
polylines.emplace_back(std::move(polyline));
}
path_ends.emplace_back(std::pair<Point, Point>(polylines.back().points.front(), polylines.back().points.back()));
}
}