93 lines
2.5 KiB
Perl
93 lines
2.5 KiB
Perl
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#!/usr/bin/perl
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# This script exports model slices to a PDF file as solid fills, one per page
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use strict;
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use warnings;
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BEGIN {
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use FindBin;
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use lib "$FindBin::Bin/../lib";
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}
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use Getopt::Long qw(:config no_auto_abbrev);
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use PDF::API2;
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use Slic3r;
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use Slic3r::Geometry qw(unscale X Y);
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use constant mm => 25.4 / 72;
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my %opt = ();
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{
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my %options = (
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'help' => sub { usage() },
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'output|o=s' => \$opt{output_file},
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'layer-height|h=f' => \$opt{layer_height},
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);
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GetOptions(%options) or usage(1);
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$ARGV[0] or usage(1);
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}
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{
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# prepare config
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my $config = Slic3r::Config->new;
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$config->set('layer_height', $opt{layer_height}) if $opt{layer_height};
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# init print object
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my $sprint = Slic3r::Print::Simple->new;
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$sprint->apply_config($config);
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$sprint->set_model(Slic3r::Model->read_from_file(my $input_file = $ARGV[0]));
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my $print = $sprint->_print;
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# compute sizes
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my $bb = $print->bounding_box;
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my $mediabox = [ map unscale($_)/mm, @{$bb->size} ];
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# init PDF
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my $pdf = PDF::API2->new();
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my $color = $pdf->colorspace_separation('RDG_GLOSS', 'darkblue');
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# slice and build output geometry
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$_->slice for @{$print->objects};
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foreach my $layer (@{ $print->objects->[0]->layers }) {
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my $page = $pdf->page();
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$page->mediabox(@$mediabox);
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my $content = $page->gfx;
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$content->fillcolor($color, 1);
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foreach my $expolygon (@{$layer->slices}) {
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$content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @{$expolygon->contour}); #)
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$content->close;
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foreach my $hole (@{$expolygon->holes}) {
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$content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @$hole); #)
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$content->close;
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}
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$content->fill; # non-zero by default
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}
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}
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# write output file
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my $output_file = $opt{output_file};
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if (!defined $output_file) {
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$output_file = $input_file;
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$output_file =~ s/\.(?:stl)$/.pdf/i;
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}
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$pdf->saveas($output_file);
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printf "PDF file written to %s\n", $output_file;
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}
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sub usage {
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my ($exit_code) = @_;
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print <<"EOF";
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Usage: pdf-slices.pl [ OPTIONS ] file.stl
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--help Output this usage screen and exit
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--output, -o Write to the specified file
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--layer-height, -h Use the specified layer height
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EOF
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exit ($exit_code || 0);
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}
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__END__
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