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Safer safety_offset() for ExPolygons

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Alessandro Ranellucci 2013-03-26 13:57:37 +01:00
parent 4cb36fcbe2
commit 4c41f6c462
3 changed files with 7 additions and 15 deletions
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7
lib/Slic3r/Geometry/Clipper.pm
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@ -4,7 +4,7 @@ use warnings;
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw(safety_offset offset offset_ex collapse_ex
our @EXPORT_OK = qw(safety_offset safety_offset_ex offset offset_ex collapse_ex
diff_ex diff union_ex intersection_ex xor_ex PFT_EVENODD JT_MITER JT_ROUND
JT_SQUARE is_counter_clockwise);
@ -17,6 +17,11 @@ sub safety_offset {
return Math::Clipper::offset($polygons, $factor // (scale 1e-05), 100000, JT_MITER, 2);
}
sub safety_offset_ex {
# offset polygons and then apply holes to the right contours
return @{ union_ex([ safety_offset(@_) ]) };
}
sub offset {
my ($polygons, $distance, $scale, $joinType, $miterLimit) = @_;
$scale ||= 100000;