1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
#!/usr/bin/perl
# This script exports model slices to a PDF file as solid fills, one per page
use strict;
use warnings;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
use local::lib "$FindBin::Bin/../local-lib";
}
use Getopt::Long qw(:config no_auto_abbrev);
use PDF::API2;
use Slic3r;
use Slic3r::Geometry qw(scale unscale X Y);
use constant mm => 25.4 / 72;
my %opt = ();
{
my %options = (
'help' => sub { usage() },
'output|o=s' => \$opt{output_file},
'layer-height|h=f' => \$opt{layer_height},
);
GetOptions(%options) or usage(1);
$ARGV[0] or usage(1);
}
{
# prepare config
my $config = Slic3r::Config->new;
$config->set('layer_height', $opt{layer_height}) if $opt{layer_height};
# read model
my $model = Slic3r::Model->read_from_file(my $input_file = $ARGV[0]);
# init print object
my $sprint = Slic3r::Print::Simple->new(
print_center => [0,0],
);
$sprint->apply_config($config);
$sprint->set_model($model);
my $print = $sprint->_print;
# compute sizes
my $bb = $print->bounding_box;
my $size = $bb->size;
my $mediabox = [ map unscale($_)/mm, @{$size} ];
# init PDF
my $pdf = PDF::API2->new();
my $color = $pdf->colorspace_separation('RDG_GLOSS', 'darkblue');
# slice and build output geometry
$_->slice for @{$print->objects};
foreach my $object (@{ $print->objects }) {
my $shift = $object->_shifted_copies->[0];
$shift->translate(map $_/2, @$size);
foreach my $layer (@{ $object->layers }) {
my $page = $pdf->page();
$page->mediabox(@$mediabox);
my $content = $page->gfx;
$content->fillcolor($color, 1);
foreach my $expolygon (@{$layer->slices}) {
$expolygon = $expolygon->clone;
$expolygon->translate(@$shift);
$content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @{$expolygon->contour}); #)
$content->close;
foreach my $hole (@{$expolygon->holes}) {
$content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @$hole); #)
$content->close;
}
$content->fill; # non-zero by default
}
}
}
# write output file
my $output_file = $opt{output_file};
if (!defined $output_file) {
$output_file = $input_file;
$output_file =~ s/\.(?:[sS][tT][lL])$/.pdf/;
}
$pdf->saveas($output_file);
printf "PDF file written to %s\n", $output_file;
}
sub usage {
my ($exit_code) = @_;
print <<"EOF";
Usage: pdf-slices.pl [ OPTIONS ] file.stl
--help Output this usage screen and exit
--output, -o Write to the specified file
--layer-height, -h Use the specified layer height
EOF
exit ($exit_code || 0);
}
__END__
|
