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Fix first_layer_print_min and first_layer_print_max when complete_objects

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supermerill/SuperSlicer#2201
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supermerill 2022-01-31 18:40:22 +01:00
parent 6399f690e6
commit 2eb127240f
1 changed files with 63 additions and 1 deletions
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64
src/libslic3r/GCode.cpp
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@ -1389,7 +1389,7 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
m_placeholder_parser.set("print_bed_max", new ConfigOptionFloats({ bbox.max.x(), bbox.max.y() }));
m_placeholder_parser.set("print_bed_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
}
{
if(!print.config().complete_objects.value){
// Convex hull of the 1st layer extrusions, for bed leveling and placing the initial purge line.
// It encompasses the object extrusions, support extrusions, skirt, brim, wipe tower.
// It does NOT encompass user extrusions generated by custom G-code,
@ -1404,6 +1404,68 @@ void GCode::_do_export(Print& print, FILE* file, ThumbnailsGeneratorCallback thu
m_placeholder_parser.set("first_layer_print_min", new ConfigOptionFloats({ bbox.min.x(), bbox.min.y() }));
m_placeholder_parser.set("first_layer_print_max", new ConfigOptionFloats({ bbox.max.x(), bbox.max.y() }));
m_placeholder_parser.set("first_layer_print_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
} else {
//have to compute it ourself :-/
class BoundingBoxVisitor : public ExtrusionVisitorRecursiveConst {
public:
Point offset;
Points hull;
virtual void use(const ExtrusionPath& path) override {
for (Point pt : path.polyline.points) {
pt += offset;
hull.emplace_back(std::move(pt));
}
}
virtual void use(const ExtrusionPath3D& path3D) override {
for (Point pt : path3D.polyline.points) {
pt += offset;
hull.emplace_back(std::move(pt));
}
}
BoundingBoxf get_bb() {
BoundingBox bbox(hull);
return BoundingBoxf(unscaled(bbox.min), unscaled(bbox.max));
}
Polygon get_hull() { return Geometry::convex_hull(hull); }
} bbvisitor;
if (print.skirt_first_layer().has_value()) {
print.skirt_first_layer()->visit(bbvisitor);
} else if (print.skirt().entities().size() > 0) {
print.skirt().visit(bbvisitor);
} else if (print.config().complete_objects_one_brim.value && !print.brim().empty()) {
print.brim().visit(bbvisitor);
} else {
print.brim().visit(bbvisitor);
for (const PrintObject* po : print.objects()) {
for (const PrintInstance& inst : po->instances()) {
bbvisitor.offset = inst.shift;
if (po->skirt_first_layer().has_value()) {
po->skirt_first_layer()->visit(bbvisitor);
} else if (po->skirt().entities().size() > 0) {
po->skirt().visit(bbvisitor);
} else {
po->brim().visit(bbvisitor);
if (po->layers().empty()) continue;
const Layer* l = po->layers().front();
if (l->id() != 0) continue;
for (const LayerRegion* lr : l->regions()) {
lr->perimeters.visit(bbvisitor);
lr->fills.visit(bbvisitor);
}
}
}
}
}
BoundingBoxf bbox = bbvisitor.get_bb();
Polygon first_layer_hull = bbvisitor.get_hull();
auto pts = std::make_unique<ConfigOptionPoints>();
pts->values.reserve(first_layer_hull.size());
for (const Point& pt : first_layer_hull.points)
pts->values.emplace_back(unscale(pt));
m_placeholder_parser.set("first_layer_print_convex_hull", pts.release());
m_placeholder_parser.set("first_layer_print_min", new ConfigOptionFloats({ bbox.min.x(), bbox.min.y() }));
m_placeholder_parser.set("first_layer_print_max", new ConfigOptionFloats({ bbox.max.x(), bbox.max.y() }));
m_placeholder_parser.set("first_layer_print_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
}
//misc
if (config().thumbnails_color.value.length() == 7) {