40 lines
756 B
Perl
40 lines
756 B
Perl
package Slic3r::ExPolygon;
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use strict;
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use warnings;
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# an ExPolygon is a polygon with holes
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use List::Util qw(first);
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use Slic3r::Geometry::Clipper qw(union_ex diff_pl);
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sub offset {
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my $self = shift;
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return Slic3r::Geometry::Clipper::offset(\@$self, @_);
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}
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sub offset_ex {
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my $self = shift;
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return Slic3r::Geometry::Clipper::offset_ex(\@$self, @_);
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}
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sub noncollapsing_offset_ex {
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my $self = shift;
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my ($distance, @params) = @_;
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return $self->offset_ex($distance + 1, @params);
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}
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sub bounding_box {
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my $self = shift;
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return $self->contour->bounding_box;
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}
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package Slic3r::ExPolygon::Collection;
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sub size {
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my $self = shift;
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return [ Slic3r::Geometry::size_2D([ map @$_, map @$_, @$self ]) ];
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}
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1;
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