PrusaSlicer-NonPlainar/xs/t/09_polyline.t

92 lines
2.4 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 18;
my $points = [
[100, 100],
[200, 100],
[200, 200],
];
my $polyline = Slic3r::Polyline->new(@$points);
is_deeply $polyline->pp, $points, 'polyline roundtrip';
is ref($polyline->arrayref), 'ARRAY', 'polyline arrayref is unblessed';
isa_ok $polyline->[0], 'Slic3r::Point::Ref', 'polyline point is blessed';
my $lines = $polyline->lines;
is_deeply [ map $_->pp, @$lines ], [
[ [100, 100], [200, 100] ],
[ [200, 100], [200, 200] ],
], 'polyline lines';
$polyline->append_polyline($polyline->clone);
is_deeply $polyline->pp, [ @$points, @$points ], 'append_polyline';
{
my $len = $polyline->length;
$polyline->clip_end($len/3);
ok abs($polyline->length - ($len-($len/3))) < 1, 'clip_end';
}
{
my $polyline = Slic3r::Polyline->new(
[0,0], [20,0], [50,0], [80,0], [100,0],
);
$polyline->simplify(2);
is_deeply $polyline->pp, [ [0,0], [100,0] ], 'Douglas-Peucker';
}
{
my $polyline = Slic3r::Polyline->new(
[0,0], [50,50], [100,0], [125,-25], [150,50],
);
$polyline->simplify(25);
is_deeply $polyline->pp, [ [0, 0], [50, 50], [125, -25], [150, 50] ], 'Douglas-Peucker';
}
{
my $polyline = Slic3r::Polyline->new(
[0,0], [100,0], [50,10],
);
$polyline->simplify(25);
is_deeply $polyline->pp, [ [0,0], [100,0], [50,10] ], 'Douglas-Peucker uses shortest distance instead of perpendicular distance';
}
{
my $polyline = Slic3r::Polyline->new(@$points);
is $polyline->length, 100*2, 'length';
$polyline->extend_end(50);
is $polyline->length, 100*2 + 50, 'extend_end';
$polyline->extend_start(50);
is $polyline->length, 100*2 + 50 + 50, 'extend_start';
}
{
my $polyline = Slic3r::Polyline->new(@$points);
my $p1 = Slic3r::Polyline->new;
my $p2 = Slic3r::Polyline->new;
my $point = Slic3r::Point->new(150, 100);
$polyline->split_at($point, $p1, $p2);
is scalar(@$p1), 2, 'split_at';
is scalar(@$p2), 3, 'split_at';
ok $p1->last_point->coincides_with($point), 'split_at';
ok $p2->first_point->coincides_with($point), 'split_at';
}
{
my $polyline = Slic3r::Polyline->new(@$points[0,1,2,0]);
my $p1 = Slic3r::Polyline->new;
my $p2 = Slic3r::Polyline->new;
$polyline->split_at($polyline->first_point, $p1, $p2);
is scalar(@$p1), 1, 'split_at';
is scalar(@$p2), 4, 'split_at';
}
__END__