mirror of https://github.com/vitalif/Slic3r
184 lines
6.2 KiB
Perl
184 lines
6.2 KiB
Perl
package Slic3r;
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# Copyright holder: Alessandro Ranellucci
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# This application is licensed under the GNU Affero General Public License, version 3
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use strict;
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use warnings;
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require v5.10;
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our $VERSION = "1.2.0-dev";
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our $debug = 0;
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sub debugf {
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printf @_ if $debug;
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}
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# load threads before Moo as required by it
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our $have_threads;
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BEGIN {
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use Config;
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$have_threads = $Config{useithreads} && eval "use threads; use threads::shared; use Thread::Queue; 1";
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### temporarily disable threads if using the broken Moo version
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use Moo;
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$have_threads = 0 if $Moo::VERSION == 1.003000;
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}
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warn "Running Slic3r under Perl >= 5.16 is not supported nor recommended\n"
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if $^V >= v5.16;
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use FindBin;
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our $var = "$FindBin::Bin/var";
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use Encode;
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use Encode::Locale;
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use Moo 1.003001;
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use Slic3r::XS; # import all symbols (constants etc.) before they get parsed
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use Slic3r::Config;
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use Slic3r::ExPolygon;
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use Slic3r::Extruder;
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use Slic3r::ExtrusionLoop;
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use Slic3r::ExtrusionPath;
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use Slic3r::ExtrusionPath::Collection;
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use Slic3r::Fill;
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use Slic3r::Flow;
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use Slic3r::Format::AMF;
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use Slic3r::Format::OBJ;
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use Slic3r::Format::STL;
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use Slic3r::GCode;
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use Slic3r::GCode::ArcFitting;
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use Slic3r::GCode::CoolingBuffer;
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use Slic3r::GCode::Layer;
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use Slic3r::GCode::MotionPlanner;
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use Slic3r::GCode::PlaceholderParser;
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use Slic3r::GCode::Reader;
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use Slic3r::GCode::SpiralVase;
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use Slic3r::GCode::VibrationLimit;
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use Slic3r::Geometry qw(PI);
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use Slic3r::Geometry::Clipper;
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use Slic3r::Layer;
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use Slic3r::Layer::BridgeDetector;
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use Slic3r::Layer::Region;
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use Slic3r::Line;
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use Slic3r::Model;
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use Slic3r::Point;
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use Slic3r::Polygon;
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use Slic3r::Polyline;
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use Slic3r::Print;
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use Slic3r::Print::Object;
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use Slic3r::Print::Region;
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use Slic3r::Print::Simple;
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use Slic3r::Print::SupportMaterial;
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use Slic3r::Surface;
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use Slic3r::TriangleMesh;
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our $build = eval "use Slic3r::Build; 1";
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use constant SCALING_FACTOR => 0.000001;
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use constant RESOLUTION => 0.0125;
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use constant SCALED_RESOLUTION => RESOLUTION / SCALING_FACTOR;
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use constant SMALL_PERIMETER_LENGTH => (6.5 / SCALING_FACTOR) * 2 * PI;
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use constant LOOP_CLIPPING_LENGTH_OVER_NOZZLE_DIAMETER => 0.15;
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use constant INFILL_OVERLAP_OVER_SPACING => 0.45;
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use constant EXTERNAL_INFILL_MARGIN => 3;
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use constant INSET_OVERLAP_TOLERANCE => 0.2;
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sub parallelize {
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my %params = @_;
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if (!$params{disable} && $Slic3r::have_threads && $params{threads} > 1) {
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my @items = (ref $params{items} eq 'CODE') ? $params{items}->() : @{$params{items}};
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my $q = Thread::Queue->new;
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$q->enqueue(@items, (map undef, 1..$params{threads}));
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my $thread_cb = sub {
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$params{thread_cb}->($q);
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Slic3r::thread_cleanup();
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# This explicit exit avoids an untrappable
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# "Attempt to free unreferenced scalar" error
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# triggered on Ubuntu 12.04 32-bit when we're running
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# from the Wx plater and
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# we're reusing the same plater object more than once.
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# The downside to using this exit is that we can't return
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# any value to the main thread but we're not doing that
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# anymore anyway.
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# collect_cb is completely useless now
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# and should be removed from the codebase.
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threads->exit;
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};
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$params{collect_cb} ||= sub {};
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@_ = ();
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foreach my $th (map threads->create($thread_cb), 1..$params{threads}) {
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$params{collect_cb}->($th->join);
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}
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} else {
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$params{no_threads_cb}->();
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}
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}
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# call this at the very end of each thread (except the main one)
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# so that it does not try to free existing objects.
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# at that stage, existing objects are only those that we
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# inherited at the thread creation (thus shared) and those
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# that we are returning: destruction will be handled by the
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# main thread in both cases.
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# reminder: do not destroy inherited objects in other threads,
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# as the main thread will still try to destroy them when they
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# go out of scope; in other words, if you're undef()'ing an
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# object in a thread, make sure the main thread still holds a
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# reference so that it won't be destroyed in thread.
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sub thread_cleanup {
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# prevent destruction of shared objects
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no warnings 'redefine';
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*Slic3r::Config::DESTROY = sub {};
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*Slic3r::Config::Full::DESTROY = sub {};
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*Slic3r::Config::Print::DESTROY = sub {};
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*Slic3r::Config::PrintObject::DESTROY = sub {};
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*Slic3r::Config::PrintRegion::DESTROY = sub {};
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*Slic3r::ExPolygon::DESTROY = sub {};
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*Slic3r::ExPolygon::Collection::DESTROY = sub {};
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*Slic3r::Extruder::DESTROY = sub {};
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*Slic3r::ExtrusionLoop::DESTROY = sub {};
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*Slic3r::ExtrusionPath::DESTROY = sub {};
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*Slic3r::ExtrusionPath::Collection::DESTROY = sub {};
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*Slic3r::Flow::DESTROY = sub {};
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*Slic3r::GCode::PlaceholderParser::DESTROY = sub {};
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*Slic3r::Geometry::BoundingBox::DESTROY = sub {};
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*Slic3r::Geometry::BoundingBoxf3::DESTROY = sub {};
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*Slic3r::Line::DESTROY = sub {};
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*Slic3r::Model::DESTROY = sub {};
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*Slic3r::Model::Object::DESTROY = sub {};
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*Slic3r::Point::DESTROY = sub {};
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*Slic3r::Pointf::DESTROY = sub {};
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*Slic3r::Pointf3::DESTROY = sub {};
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*Slic3r::Polygon::DESTROY = sub {};
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*Slic3r::Polyline::DESTROY = sub {};
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*Slic3r::Polyline::Collection::DESTROY = sub {};
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*Slic3r::Print::DESTROY = sub {};
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*Slic3r::Print::State::DESTROY = sub {};
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*Slic3r::Print::Region::DESTROY = sub {};
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*Slic3r::Surface::DESTROY = sub {};
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*Slic3r::Surface::Collection::DESTROY = sub {};
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*Slic3r::TriangleMesh::DESTROY = sub {};
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return undef; # this prevents a "Scalars leaked" warning
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}
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sub encode_path {
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my ($filename) = @_;
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return encode('locale_fs', $filename);
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}
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sub open {
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my ($fh, $mode, $filename) = @_;
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return CORE::open $$fh, $mode, encode_path($filename);
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}
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# this package declaration prevents an ugly fatal warning to be emitted when
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# spawning a new thread
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package GLUquadricObjPtr;
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1;
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