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Make infill_only_where_needed idempotent. #2198

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This commit is contained in:
Alessandro Ranellucci 2014-12-24 01:29:36 +01:00
parent 350d634433
commit 5d3cd792eb
2 changed files with 21 additions and 9 deletions
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29
lib/Slic3r/Print/Object.pm
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@ -693,6 +693,8 @@ sub detect_surfaces_type {
}
}
# Idempotence of this method is guaranteed by the fact that we don't remove things from
# fill_surfaces but we only turn them into VOID surfaces, thus preserving the boundaries.
sub clip_fill_surfaces {
my $self = shift;
return unless $self->config->infill_only_where_needed;
@ -710,13 +712,13 @@ sub clip_fill_surfaces {
# clip this layer's internal surfaces to @overhangs
foreach my $layerm (@{$layer->regions}) {
# we assume that this step is run before bridge_over_infill() and combine_infill()
# so these are the only internal types we might have
my (@internal, @other) = ();
foreach my $surface (map $_->clone, @{$layerm->fill_surfaces}) {
$surface->surface_type == S_TYPE_INTERNAL
? push @internal, $surface
: push @other, $surface;
if ($surface->surface_type == S_TYPE_INTERNAL) {
push @internal, $surface;
} else {
push @other, $surface;
}
}
# keep all the original internal surfaces to detect overhangs in this layer
@ -726,10 +728,19 @@ sub clip_fill_surfaces {
expolygon => $_,
surface_type => S_TYPE_INTERNAL,
),
@{intersection_ex(
$overhangs,
[ map $_->p, @internal ],
)};
@{intersection_ex(
[ map $_->p, @internal ],
$overhangs,
)};
push @new, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALVOID,
),
@{diff_ex(
[ map $_->p, @internal ],
$overhangs,
)};
$layerm->fill_surfaces->clear;
$layerm->fill_surfaces->append($_) for (@new, @other);