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Speed-up of painted seams

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This commit is contained in:
Lukas Matena 2021-07-15 09:48:35 +02:00
parent 6f2e33dfb9
commit b5fea72618
1 changed files with 19 additions and 17 deletions
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36
src/libslic3r/GCode/SeamPlacer.cpp
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@ -207,32 +207,34 @@ void SeamPlacer::init(const Print& print)
auto merge_and_offset = [po, &temp_polygons, max_nozzle_dmr](EnforcerBlockerType type, std::vector<ExPolygons>& out) { auto merge_and_offset = [po, &temp_polygons, max_nozzle_dmr](EnforcerBlockerType type, std::vector<ExPolygons>& out) {
// Offset the triangles out slightly. // Offset the triangles out slightly.
auto offset_out = [](Polygon& input, float offset) -> ExPolygons {
ClipperLib::Paths out(1);
std::vector<float> deltas(input.points.size(), offset);
input.make_counter_clockwise();
out.front() = mittered_offset_path_scaled(input.points, deltas, 3.);
return ClipperPaths_to_Slic3rExPolygons(out);
};
temp_polygons.clear(); temp_polygons.clear();
po->project_and_append_custom_facets(true, type, temp_polygons); po->project_and_append_custom_facets(true, type, temp_polygons);
out.clear(); out.clear();
out.reserve(temp_polygons.size()); out.reserve(temp_polygons.size());
float offset = max_nozzle_dmr + po->config().elefant_foot_compensation; float offset = scale_(max_nozzle_dmr + po->config().elefant_foot_compensation);
for (const Polygons &src : temp_polygons) { for (Polygons &src : temp_polygons) {
out.emplace_back(Slic3r::offset_ex(src, scale_(offset))); out.emplace_back(ExPolygons());
offset = max_nozzle_dmr; for (Polygon& plg : src) {
ExPolygons offset_explg = offset_out(plg, offset);
if (! offset_explg.empty())
out.back().emplace_back(std::move(offset_explg.front()));
}
offset = scale_(max_nozzle_dmr);
} }
}; };
merge_and_offset(EnforcerBlockerType::BLOCKER, temp_blk); merge_and_offset(EnforcerBlockerType::BLOCKER, temp_blk);
merge_and_offset(EnforcerBlockerType::ENFORCER, temp_enf); merge_and_offset(EnforcerBlockerType::ENFORCER, temp_enf);
// FIXME: Offsetting should be done somehow cheaper, but following does not work
// for (auto* custom_per_object : {&temp_enf, &temp_blk}) {
// for (ExPolygons& plgs : *custom_per_object) {
// for (ExPolygon& plg : plgs) {
// auto out = Slic3r::offset_ex(plg, scale_(max_nozzle_dmr));
// plg = out.empty() ? ExPolygon() : out.front();
// assert(out.empty() || out.size() == 1);
// }
// }
// }
// Remember this PrintObject and initialize a store of enforcers and blockers for it. // Remember this PrintObject and initialize a store of enforcers and blockers for it.
m_po_list.push_back(po); m_po_list.push_back(po);
size_t po_idx = m_po_list.size() - 1; size_t po_idx = m_po_list.size() - 1;