PrusaSlicer-NonPlainar/xs/t/04_expolygon.t
Vojtech Bubnik 576c167bd5 Ported "avoid crossing perimeters" and bridging unit tests from Perl
to C++.
Further reduced Perl bindings.
Got rid of the ExPolygonCollection wrapper, replaced with ExPolygons.
2022-05-04 18:21:08 +02:00

85 lines
2.2 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings;
use List::Util qw(first sum);
use Slic3r::XS;
use Test::More tests => 15;
use constant PI => 4 * atan2(1, 1);
my $square = [ # ccw
[100, 100],
[200, 100],
[200, 200],
[100, 200],
];
my $hole_in_square = [ # cw
[140, 140],
[140, 160],
[160, 160],
[160, 140],
];
my $expolygon = Slic3r::ExPolygon->new($square, $hole_in_square);
ok $expolygon->is_valid, 'is_valid';
is ref($expolygon->pp), 'ARRAY', 'expolygon pp is unblessed';
is_deeply $expolygon->pp, [$square, $hole_in_square], 'expolygon roundtrip';
is ref($expolygon->arrayref), 'ARRAY', 'expolygon arrayref is unblessed';
isa_ok $expolygon->[0], 'Slic3r::Polygon::Ref', 'expolygon polygon is blessed';
isa_ok $expolygon->contour, 'Slic3r::Polygon::Ref', 'expolygon contour is blessed';
isa_ok $expolygon->holes->[0], 'Slic3r::Polygon::Ref', 'expolygon hole is blessed';
isa_ok $expolygon->[0][0], 'Slic3r::Point::Ref', 'expolygon point is blessed';
{
my $expolygon2 = $expolygon->clone;
my $polygon = $expolygon2->[0];
$polygon->scale(2);
is $expolygon2->[0][0][0], $polygon->[0][0], 'polygons are returned by reference';
}
is_deeply $expolygon->clone->pp, [$square, $hole_in_square], 'clone';
is $expolygon->area, 100*100-20*20, 'area';
{
my $expolygon2 = $expolygon->clone;
$expolygon2->scale(2.5);
is_deeply $expolygon2->pp, [
[map [ 2.5*$_->[0], 2.5*$_->[1] ], @$square],
[map [ 2.5*$_->[0], 2.5*$_->[1] ], @$hole_in_square]
], 'scale';
}
{
my $expolygon2 = $expolygon->clone;
$expolygon2->translate(10, -5);
is_deeply $expolygon2->pp, [
[map [ $_->[0]+10, $_->[1]-5 ], @$square],
[map [ $_->[0]+10, $_->[1]-5 ], @$hole_in_square]
], 'translate';
}
{
my $expolygon2 = $expolygon->clone;
$expolygon2->rotate(PI/2, Slic3r::Point->new(150,150));
is_deeply $expolygon2->pp, [
[ @$square[1,2,3,0] ],
[ @$hole_in_square[3,0,1,2] ]
], 'rotate around Point';
}
{
my $expolygon2 = $expolygon->clone;
$expolygon2->rotate(PI/2, [150,150]);
is_deeply $expolygon2->pp, [
[ @$square[1,2,3,0] ],
[ @$hole_in_square[3,0,1,2] ]
], 'rotate around pure-Perl Point';
}
__END__