158 lines
7.7 KiB
Perl
158 lines
7.7 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 => 46;
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{
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my $square = [
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[100, 100],
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[200, 100],
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[200, 200],
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[100, 200],
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];
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my $square_p = Slic3r::Polygon->new(@$square);
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my $loop = Slic3r::ExtrusionLoop->new;
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$loop->append(Slic3r::ExtrusionPath->new(
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polyline => $square_p->split_at_first_point,
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role => Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER,
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mm3_per_mm => 1,
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));
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isa_ok $loop, 'Slic3r::ExtrusionLoop';
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isa_ok $loop->polygon, 'Slic3r::Polygon', 'loop polygon';
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is $loop->polygon->area, $square_p->area, 'polygon area';
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is $loop->length, $square_p->length(), 'loop length';
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$loop = $loop->clone;
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is scalar(@$loop), 1, 'loop contains one path';
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{
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my $path = $loop->[0];
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is $path->role, Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, 'role';
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}
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$loop->split_at_vertex($square_p->[2]);
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is scalar(@$loop), 1, 'splitting a single-path loop results in a single path';
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is scalar(@{$loop->[0]->polyline}), 5, 'path has correct number of points';
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ok $loop->[0]->polyline->[0]->coincides_with($square_p->[2]), 'expected point order';
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ok $loop->[0]->polyline->[1]->coincides_with($square_p->[3]), 'expected point order';
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ok $loop->[0]->polyline->[2]->coincides_with($square_p->[0]), 'expected point order';
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ok $loop->[0]->polyline->[3]->coincides_with($square_p->[1]), 'expected point order';
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ok $loop->[0]->polyline->[4]->coincides_with($square_p->[2]), 'expected point order';
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}
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{
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my $polyline1 = Slic3r::Polyline->new([100,100], [200,100], [200,200]);
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my $polyline2 = Slic3r::Polyline->new([200,200], [100,200], [100,100]);
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my $loop = Slic3r::ExtrusionLoop->new_from_paths(
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Slic3r::ExtrusionPath->new(
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polyline => $polyline1,
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role => Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER,
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mm3_per_mm => 1,
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),
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Slic3r::ExtrusionPath->new(
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polyline => $polyline2,
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role => Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER,
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mm3_per_mm => 1,
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),
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);
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my $tot_len = sum($polyline1->length, $polyline2->length);
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is $loop->length, $tot_len, 'length';
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is scalar(@$loop), 2, 'loop contains two paths';
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{
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# check splitting at intermediate point
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my $loop2 = $loop->clone;
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isa_ok $loop2, 'Slic3r::ExtrusionLoop';
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$loop2->split_at_vertex($polyline1->[1]);
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is $loop2->length, $tot_len, 'length after splitting is unchanged';
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is scalar(@$loop2), 3, 'loop contains three paths after splitting';
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ok $loop2->[0]->polyline->[0]->coincides_with($polyline1->[1]), 'expected starting point';
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ok $loop2->[-1]->polyline->[-1]->coincides_with($polyline1->[1]), 'expected ending point';
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ok $loop2->[0]->polyline->[-1]->coincides_with($loop2->[1]->polyline->[0]), 'paths have common point';
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ok $loop2->[1]->polyline->[-1]->coincides_with($loop2->[2]->polyline->[0]), 'paths have common point';
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is $loop2->[0]->role, Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, 'expected order after splitting';
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is $loop2->[1]->role, Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER, 'expected order after splitting';
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is $loop2->[2]->role, Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, 'expected order after splitting';
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is scalar(@{$loop2->[0]->polyline}), 2, 'path has correct number of points';
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is scalar(@{$loop2->[1]->polyline}), 3, 'path has correct number of points';
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is scalar(@{$loop2->[2]->polyline}), 2, 'path has correct number of points';
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my @paths = @{$loop2->clip_end(3)};
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is sum(map $_->length, @paths), $loop2->length - 3, 'returned paths have expected length';
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}
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{
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# check splitting at endpoint
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my $loop2 = $loop->clone;
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$loop2->split_at_vertex($polyline2->[0]);
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is $loop2->length, $tot_len, 'length after splitting is unchanged';
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is scalar(@$loop2), 2, 'loop contains two paths after splitting';
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ok $loop2->[0]->polyline->[0]->coincides_with($polyline2->[0]), 'expected starting point';
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ok $loop2->[-1]->polyline->[-1]->coincides_with($polyline2->[0]), 'expected ending point';
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ok $loop2->[0]->polyline->[-1]->coincides_with($loop2->[1]->polyline->[0]), 'paths have common point';
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ok $loop2->[1]->polyline->[-1]->coincides_with($loop2->[0]->polyline->[0]), 'paths have common point';
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is $loop2->[0]->role, Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER, 'expected order after splitting';
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is $loop2->[1]->role, Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, 'expected order after splitting';
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is scalar(@{$loop2->[0]->polyline}), 3, 'path has correct number of points';
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is scalar(@{$loop2->[1]->polyline}), 3, 'path has correct number of points';
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}
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{
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my $loop2 = $loop->clone;
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my $point = Slic3r::Point->new(250,150);
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$loop2->split_at($point);
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is $loop2->length, $tot_len, 'length after splitting is unchanged';
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is scalar(@$loop2), 3, 'loop contains three paths after splitting';
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my $expected_start_point = Slic3r::Point->new(200,150);
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ok $loop2->[0]->polyline->[0]->coincides_with($expected_start_point), 'expected starting point';
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ok $loop2->[-1]->polyline->[-1]->coincides_with($expected_start_point), 'expected ending point';
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}
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}
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{
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my @polylines = (
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Slic3r::Polyline->new([59312736,4821067],[64321068,4821067],[64321068,4821067],[64321068,9321068],[59312736,9321068]),
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Slic3r::Polyline->new([59312736,9321068],[9829401,9321068]),
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Slic3r::Polyline->new([9829401,9321068],[4821067,9321068],[4821067,4821067],[9829401,4821067]),
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Slic3r::Polyline->new([9829401,4821067],[59312736,4821067]),
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);
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my $loop = Slic3r::ExtrusionLoop->new;
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$loop->append($_) for (
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Slic3r::ExtrusionPath->new(polyline => $polylines[0], role => Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, mm3_per_mm => 1),
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Slic3r::ExtrusionPath->new(polyline => $polylines[1], role => Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER, mm3_per_mm => 1),
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Slic3r::ExtrusionPath->new(polyline => $polylines[2], role => Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, mm3_per_mm => 1),
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Slic3r::ExtrusionPath->new(polyline => $polylines[3], role => Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER, mm3_per_mm => 1),
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);
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my $len = $loop->length;
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my $point = Slic3r::Point->new(4821067,9321068);
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$loop->split_at_vertex($point) or $loop->split_at($point);
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is $loop->length, $len, 'total length is preserved after splitting';
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is_deeply [ map $_->role, @$loop ], [
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Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER,
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Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER,
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Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER,
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Slic3r::ExtrusionPath::EXTR_ROLE_OVERHANG_PERIMETER,
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Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER,
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], 'order is correctly preserved after splitting';
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}
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{
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my $loop = Slic3r::ExtrusionLoop->new;
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$loop->append(Slic3r::ExtrusionPath->new(
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polyline => Slic3r::Polyline->new([15896783,15868739],[24842049,12117558],[33853238,15801279],[37591780,24780128],[37591780,24844970],[33853231,33825297],[24842049,37509013],[15896798,33757841],[12211841,24812544],[15896783,15868739]),
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role => Slic3r::ExtrusionPath::EXTR_ROLE_EXTERNAL_PERIMETER, mm3_per_mm => 1
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));
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my $len = $loop->length;
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$loop->split_at(Slic3r::Point->new(15896783,15868739));
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is $loop->length, $len, 'split_at() preserves total length';
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}
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__END__
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