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More unit tests for bridge angle detection

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This commit is contained in:
Alessandro Ranellucci 2014-04-08 15:18:37 +02:00
parent 9be57f750d
commit 38f6e3b643
3 changed files with 63 additions and 16 deletions
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11
lib/Slic3r/Polygon.pm
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@ -61,18 +61,23 @@ sub clip_as_polyline {
$self_pl->[0]->translate(1, 0);
my @polylines = @{intersection_pl([$self_pl], $polygons)};
if (@polylines == 2) {
if (@polylines == 1) {
if ($polylines[0][0]->coincides_with($self_pl->[0])) {
# compensate the above workaround for Clipper bug
$polylines[0][0]->translate(-1, 0);
}
} elsif (@polylines == 2) {
# If the split_at_first_point() call above happens to split the polygon inside the clipping area
# we would get two consecutive polylines instead of a single one, so we use this ugly hack to
# recombine them back into a single one in order to trigger the @edges == 2 logic below.
# This needs to be replaced with something way better.
if ($polylines[0][-1]->coincides_width($self_pl->[-1]) && $polylines[-1][0]->coincides_width($self_pl->[0])) {
if ($polylines[0][-1]->coincides_with($self_pl->[-1]) && $polylines[-1][0]->coincides_width($self_pl->[0])) {
my $p = $polylines[0]->clone;
$p->pop_back;
$p->append(@{$polylines[-1]});
return [$p];
}
if ($polylines[0][0]->coincides_width($self_pl->[0]) && $polylines[-1][-1]->coincides_width($self_pl->[-1])) {
if ($polylines[0][0]->coincides_with($self_pl->[0]) && $polylines[-1][-1]->coincides_width($self_pl->[-1])) {
my $p = $polylines[-1]->clone;
$p->pop_back;
$p->append(@{$polylines[0]});