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Ported TriangleMesh->scale

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This commit is contained in:
Alessandro Ranellucci 2013-08-04 21:34:26 +02:00
parent a0bd152243
commit 515d5707c9
5 changed files with 22 additions and 4 deletions
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5
xs/src/TriangleMesh.cpp
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@ -102,4 +102,9 @@ TriangleMesh::WriteOBJFile(char* output_file) {
stl_write_obj(&stl, output_file);
}
void TriangleMesh::scale(float factor)
{
stl_scale(&(this->stl), factor);
}
}

1
xs/src/TriangleMesh.hpp
View file

@ -15,6 +15,7 @@ class TriangleMesh
void ReadFromPerl(SV* vertices, SV* facets);
void Repair();
void WriteOBJFile(char* output_file);
void scale(float factor);
stl_file stl;
};

6
xs/src/admesh/util.c
View file

@ -106,6 +106,7 @@ stl_scale(stl_file *stl, float factor)
int i;
int j;
// scale extents
stl->stats.min.x *= factor;
stl->stats.min.y *= factor;
stl->stats.min.z *= factor;
@ -113,6 +114,11 @@ stl_scale(stl_file *stl, float factor)
stl->stats.max.y *= factor;
stl->stats.max.z *= factor;
// scale volume
if (stl->stats.volume > 0.0) {
stl->stats.volume *= (factor * factor * factor);
}
for(i = 0; i < stl->stats.number_of_facets; i++)
{
for(j = 0; j < 3; j++)

13
xs/t/01_trianglemesh.t
View file

@ -4,7 +4,7 @@ use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 5;
use Test::More tests => 6;
is Slic3r::TriangleMesh::XS::hello_world(), 'Hello world!',
'hello world';
@ -23,9 +23,14 @@ my $cube = {
is_deeply $vertices, $cube->{vertices}, 'vertices arrayref roundtrip';
is_deeply $facets, $cube->{facets}, 'facets arrayref roundtrip';
my $stats = $m->stats;
is $stats->{number_of_facets}, scalar(@{ $cube->{facets} }), 'stats.number_of_facets';
ok abs($stats->{volume} - 20*20*20) < 1E-3, 'stats.volume';
{
my $stats = $m->stats;
is $stats->{number_of_facets}, scalar(@{ $cube->{facets} }), 'stats.number_of_facets';
ok abs($stats->{volume} - 20*20*20) < 1E-2, 'stats.volume';
}
$m->scale(2);
ok abs($m->stats->{volume} - 40*40*40) < 1E-2, 'scale';
}
__END__

1
xs/xsp/TriangleMesh.xsp
View file

@ -12,6 +12,7 @@
void ReadFromPerl(SV* vertices, SV* facets);
void Repair();
void WriteOBJFile(char* output_file);
void scale(float factor);
%{
SV*