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Ported PrintObject::bridge_over_infill() to XS

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This commit is contained in:
Alessandro Ranellucci 2014-12-24 10:20:55 +01:00
parent ea40c4d1b0
commit 4848cb7606
8 changed files with 130 additions and 76 deletions
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88
xs/src/libslic3r/PrintObject.cpp
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@ -1,5 +1,6 @@
#include "Print.hpp"
#include "BoundingBox.hpp"
#include "ClipperUtils.hpp"
#include "Geometry.hpp"
namespace Slic3r {
@ -338,6 +339,93 @@ PrintObject::invalidate_all_steps()
return invalidated;
}
void
PrintObject::bridge_over_infill()
{
FOREACH_REGION(this->_print, region) {
size_t region_id = region - this->_print->regions.begin();
double fill_density = (*region)->config.fill_density.value;
if (fill_density == 100 || fill_density == 0) continue;
FOREACH_LAYER(this, layer_it) {
if (layer_it == this->layers.begin()) continue;
Layer* layer = *layer_it;
Layer* lower_layer = *(layer_it - 1);
LayerRegion* layerm = layer->get_region(region_id);
// compute the areas needing bridge math
Polygons internal_solid, lower_internal;
layerm->fill_surfaces.filter_by_type(stInternalSolid, &internal_solid);
FOREACH_LAYERREGION(lower_layer, lower_layerm_it)
(*lower_layerm_it)->fill_surfaces.filter_by_type(stInternal, &lower_internal);
ExPolygons to_bridge;
intersection(internal_solid, lower_internal, &to_bridge);
if (to_bridge.empty()) continue;
ExPolygons not_to_bridge;
diff(internal_solid, to_bridge, &not_to_bridge, true);
#ifdef SLIC3R_DEBUG
printf "Bridging %d internal areas at layer %d\n", scalar(@$to_bridge), $layer_id;
#endif
// build the new collection of fill_surfaces
{
Surfaces new_surfaces;
for (Surfaces::const_iterator surface = layerm->fill_surfaces.surfaces.begin(); surface != layerm->fill_surfaces.surfaces.end(); ++surface) {
if (surface->surface_type != stInternalSolid)
new_surfaces.push_back(*surface);
}
for (ExPolygons::const_iterator ex = to_bridge.begin(); ex != to_bridge.end(); ++ex)
new_surfaces.push_back(Surface(stInternalBridge, *ex));
for (ExPolygons::const_iterator ex = not_to_bridge.begin(); ex != not_to_bridge.end(); ++ex)
new_surfaces.push_back(Surface(stInternalSolid, *ex));
layerm->fill_surfaces.surfaces = new_surfaces;
}
/*
# exclude infill from the layers below if needed
# see discussion at https://github.com/alexrj/Slic3r/issues/240
# Update: do not exclude any infill. Sparse infill is able to absorb the excess material.
if (0) {
my $excess = $layerm->extruders->{infill}->bridge_flow->width - $layerm->height;
for (my $i = $layer_id-1; $excess >= $self->get_layer($i)->height; $i--) {
Slic3r::debugf " skipping infill below those areas at layer %d\n", $i;
foreach my $lower_layerm (@{$self->get_layer($i)->regions}) {
my @new_surfaces = ();
# subtract the area from all types of surfaces
foreach my $group (@{$lower_layerm->fill_surfaces->group}) {
push @new_surfaces, map $group->[0]->clone(expolygon => $_),
@{diff_ex(
[ map $_->p, @$group ],
[ map @$_, @$to_bridge ],
)};
push @new_surfaces, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALVOID,
), @{intersection_ex(
[ map $_->p, @$group ],
[ map @$_, @$to_bridge ],
)};
}
$lower_layerm->fill_surfaces->clear;
$lower_layerm->fill_surfaces->append($_) for @new_surfaces;
}
$excess -= $self->get_layer($i)->height;
}
}
*/
}
}
}
#ifdef SLIC3RXS
REGISTER_CLASS(PrintObject, "Print::Object");