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https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-30 20:21:12 -06:00
239 lines
10 KiB
Perl
239 lines
10 KiB
Perl
#!/usr/bin/perl
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use strict;
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use warnings;
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use List::Util qw(sum);
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use Slic3r::XS;
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use Test::More tests => 23;
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my $square = Slic3r::Polygon->new( # ccw
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[200, 100],
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[200, 200],
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[100, 200],
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[100, 100],
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);
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my $hole_in_square = Slic3r::Polygon->new( # cw
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[160, 140],
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[140, 140],
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[140, 160],
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[160, 160],
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);
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my $expolygon = Slic3r::ExPolygon->new($square, $hole_in_square);
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{
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my $result = Slic3r::Geometry::Clipper::offset([ $square, $hole_in_square ], 5);
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is_deeply [ map $_->pp, @$result ], [ [
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[205, 205],
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[95, 205],
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[95, 95],
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[205, 95],
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], [
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[145, 145],
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[145, 155],
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[155, 155],
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[155, 145],
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] ], 'offset';
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}
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{
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my $result = Slic3r::Geometry::Clipper::offset_ex([ @$expolygon ], 5);
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is_deeply $result->[0]->pp, [ [
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[205, 205],
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[95, 205],
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[95, 95],
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[205, 95],
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], [
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[145, 145],
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[145, 155],
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[155, 155],
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[155, 145],
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] ], 'offset_ex';
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}
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{
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my $result = Slic3r::Geometry::Clipper::offset2_ex([ @$expolygon ], 5, -2);
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is_deeply $result->[0]->pp, [ [
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[203, 203],
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[97, 203],
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[97, 97],
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[203, 97],
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], [
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[143, 143],
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[143, 157],
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[157, 157],
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[157, 143],
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] ], 'offset2_ex';
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}
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{
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my $expolygon2 = Slic3r::ExPolygon->new([
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[20000000, 20000000],
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[0, 20000000],
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[0, 0],
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[20000000, 0],
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], [
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[5000000, 15000000],
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[15000000, 15000000],
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[15000000, 5000000],
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[5000000, 5000000],
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]);
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my $result = Slic3r::Geometry::Clipper::offset2_ex([ @$expolygon2 ], -1, +1);
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is $result->[0]->area, $expolygon2->area, 'offset2_ex';
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}
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{
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my $polygon1 = Slic3r::Polygon->new(@$square);
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my $polygon2 = Slic3r::Polygon->new(reverse @$hole_in_square);
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my $result = Slic3r::Geometry::Clipper::diff_ex([$polygon1], [$polygon2]);
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is $result->[0]->area, $expolygon->area, 'diff_ex';
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}
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{
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my $polyline = Slic3r::Polyline->new([50,150], [300,150]);
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{
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my $result = Slic3r::Geometry::Clipper::intersection_pl([$polyline], [$square, $hole_in_square]);
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is scalar(@$result), 2, 'intersection_pl - correct number of result lines';
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# results are in no particular order
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is scalar(grep $_->length == 40, @$result), 2, 'intersection_pl - result lines have correct length';
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}
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{
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my $result = Slic3r::Geometry::Clipper::diff_pl([$polyline], [$square, $hole_in_square]);
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is scalar(@$result), 3, 'diff_pl - correct number of result lines';
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# results are in no particular order
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is scalar(grep $_->length == 50, @$result), 1, 'diff_pl - the left result line has correct length';
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is scalar(grep $_->length == 100, @$result), 1, 'diff_pl - two right result line has correct length';
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is scalar(grep $_->length == 20, @$result), 1, 'diff_pl - the central result line has correct length';
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}
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}
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if (0) { # Clipper does not preserve polyline orientation
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my $polyline = Slic3r::Polyline->new([50,150], [300,150]);
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my $result = Slic3r::Geometry::Clipper::intersection_pl([$polyline], [$square]);
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is scalar(@$result), 1, 'intersection_pl - correct number of result lines';
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is_deeply $result->[0]->pp, [[100,150], [200,150]], 'clipped line orientation is preserved';
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}
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if (0) { # Clipper does not preserve polyline orientation
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my $polyline = Slic3r::Polyline->new([300,150], [50,150]);
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my $result = Slic3r::Geometry::Clipper::intersection_pl([$polyline], [$square]);
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is scalar(@$result), 1, 'intersection_pl - correct number of result lines';
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is_deeply $result->[0]->pp, [[200,150], [100,150]], 'clipped line orientation is preserved';
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}
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if (0) { # Clipper does not preserve polyline orientation
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my $result = Slic3r::Geometry::Clipper::intersection_ppl([$hole_in_square], [$square]);
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is_deeply $result->[0]->pp, $hole_in_square->split_at_first_point->pp,
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'intersection_ppl - clipping cw polygon as polyline preserves winding order';
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}
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{
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my $square2 = $square->clone;
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$square2->translate(50,50);
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{
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my $result = Slic3r::Geometry::Clipper::intersection_ppl([$square2], [$square]);
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is scalar(@$result), 1, 'intersection_ppl - result contains a single line';
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is scalar(@{$result->[0]}), 3, 'intersection_ppl - result contains expected number of points';
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# Clipper does not preserve polyline orientation so we only check the middle point
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###ok $result->[0][0]->coincides_with(Slic3r::Point->new(150,200)), 'intersection_ppl - expected point order';
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ok $result->[0][1]->coincides_with(Slic3r::Point->new(150,150)), 'intersection_ppl - expected point order';
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###ok $result->[0][2]->coincides_with(Slic3r::Point->new(200,150)), 'intersection_ppl - expected point order';
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}
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}
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{
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my $square2 = $square->clone;
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$square2->reverse;
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$square2->translate(50,50);
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{
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my $result = Slic3r::Geometry::Clipper::intersection_ppl([$square2], [$square]);
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is scalar(@$result), 1, 'intersection_ppl - result contains a single line';
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is scalar(@{$result->[0]}), 3, 'intersection_ppl - result contains expected number of points';
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# Clipper does not preserve polyline orientation so we only check the middle point
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###ok $result->[0][0]->coincides_with(Slic3r::Point->new(200,150)), 'intersection_ppl - expected point order';
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ok $result->[0][1]->coincides_with(Slic3r::Point->new(150,150)), 'intersection_ppl - expected point order';
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###ok $result->[0][2]->coincides_with(Slic3r::Point->new(150,200)), 'intersection_ppl - expected point order';
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}
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}
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{
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# Clipper bug #96 (our issue #2028)
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my $subject = Slic3r::Polyline->new(
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[44735000,31936670],[55270000,31936670],[55270000,25270000],[74730000,25270000],[74730000,44730000],[68063296,44730000],[68063296,55270000],[74730000,55270000],[74730000,74730000],[55270000,74730000],[55270000,68063296],[44730000,68063296],[44730000,74730000],[25270000,74730000],[25270000,55270000],[31936670,55270000],[31936670,44730000],[25270000,44730000],[25270000,25270000],[44730000,25270000],[44730000,31936670]
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);
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my $clip = [
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Slic3r::Polygon->new([75200000,45200000],[54800000,45200000],[54800000,24800000],[75200000,24800000]),
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];
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my $result = Slic3r::Geometry::Clipper::intersection_pl([$subject], $clip);
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is scalar(@$result), 1, 'intersection_pl - result is not empty';
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}
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{
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my $subject = Slic3r::Polygon->new(
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[44730000,31936670],[55270000,31936670],[55270000,25270000],[74730000,25270000],[74730000,44730000],[68063296,44730000],[68063296,55270000],[74730000,55270000],[74730000,74730000],[55270000,74730000],[55270000,68063296],[44730000,68063296],[44730000,74730000],[25270000,74730000],[25270000,55270000],[31936670,55270000],[31936670,44730000],[25270000,44730000],[25270000,25270000],[44730000,25270000]
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);
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my $clip = [
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Slic3r::Polygon->new([75200000,45200000],[54800000,45200000],[54800000,24800000],[75200000,24800000]),
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];
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my $result = Slic3r::Geometry::Clipper::intersection_ppl([$subject], $clip);
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is scalar(@$result), 1, 'intersection_ppl - result is not empty';
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}
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{
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# Clipper bug #122
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my $subject = [
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Slic3r::Polyline->new([1975,1975],[25,1975],[25,25],[1975,25],[1975,1975]),
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];
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my $clip = [
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Slic3r::Polygon->new([2025,2025],[-25,2025],[-25,-25],[2025,-25]),
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Slic3r::Polygon->new([525,525],[525,1475],[1475,1475],[1475,525]),
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];
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my $result = Slic3r::Geometry::Clipper::intersection_pl($subject, $clip);
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is scalar(@$result), 1, 'intersection_pl - result is not empty';
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is scalar(@{$result->[0]}), 5, 'intersection_pl - result is not empty';
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}
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{
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# Clipper bug #126
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my $subject = Slic3r::Polyline->new(
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[200000,19799999],[200000,200000],[24304692,200000],[15102879,17506106],[13883200,19799999],[200000,19799999],
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);
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my $clip = [
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Slic3r::Polygon->new([15257205,18493894],[14350057,20200000],[-200000,20200000],[-200000,-200000],[25196917,-200000]),
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];
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my $result = Slic3r::Geometry::Clipper::intersection_pl([$subject], $clip);
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is scalar(@$result), 1, 'intersection_pl - result is not empty';
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is $result->[0]->length, $subject->length, 'intersection_pl - result has same length as subject polyline';
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}
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if (0) {
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# Disabled until Clipper bug #127 is fixed
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my $subject = [
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Slic3r::Polyline->new([-90000000,-100000000],[-90000000,100000000]), # vertical
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Slic3r::Polyline->new([-100000000,-10000000],[100000000,-10000000]), # horizontal
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Slic3r::Polyline->new([-100000000,0],[100000000,0]), # horizontal
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Slic3r::Polyline->new([-100000000,10000000],[100000000,10000000]), # horizontal
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];
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my $clip = Slic3r::Polygon->new( # a circular, convex, polygon
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[99452190,10452846],[97814760,20791169],[95105652,30901699],[91354546,40673664],[86602540,50000000],
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[80901699,58778525],[74314483,66913061],[66913061,74314483],[58778525,80901699],[50000000,86602540],
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[40673664,91354546],[30901699,95105652],[20791169,97814760],[10452846,99452190],[0,100000000],
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[-10452846,99452190],[-20791169,97814760],[-30901699,95105652],[-40673664,91354546],
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[-50000000,86602540],[-58778525,80901699],[-66913061,74314483],[-74314483,66913061],
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[-80901699,58778525],[-86602540,50000000],[-91354546,40673664],[-95105652,30901699],
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[-97814760,20791169],[-99452190,10452846],[-100000000,0],[-99452190,-10452846],
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[-97814760,-20791169],[-95105652,-30901699],[-91354546,-40673664],[-86602540,-50000000],
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[-80901699,-58778525],[-74314483,-66913061],[-66913061,-74314483],[-58778525,-80901699],
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[-50000000,-86602540],[-40673664,-91354546],[-30901699,-95105652],[-20791169,-97814760],
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[-10452846,-99452190],[0,-100000000],[10452846,-99452190],[20791169,-97814760],
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[30901699,-95105652],[40673664,-91354546],[50000000,-86602540],[58778525,-80901699],
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[66913061,-74314483],[74314483,-66913061],[80901699,-58778525],[86602540,-50000000],
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[91354546,-40673664],[95105652,-30901699],[97814760,-20791169],[99452190,-10452846],[100000000,0]
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);
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my $result = Slic3r::Geometry::Clipper::intersection_pl($subject, [$clip]);
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is scalar(@$result), scalar(@$subject), 'intersection_pl - expected number of polylines';
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is sum(map scalar(@$_), @$result), scalar(@$subject)*2,
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'intersection_pl - expected number of points in polylines';
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}
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__END__
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