290 lines
10 KiB
Perl
290 lines
10 KiB
Perl
# This package loads all the non-GUI Slic3r perl packages.
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# In addition, it implements utility functions for file handling and threading.
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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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use Config;
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require v5.10;
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our $VERSION = VERSION();
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our $BUILD = BUILD();
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our $FORK_NAME = FORK_NAME();
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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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our $loglevel = 0;
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# load threads before Moo as required by it
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BEGIN {
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# Test, whether the perl was compiled with ithreads support and ithreads actually work.
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use Config;
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use Moo;
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my $have_threads = $Config{useithreads} && eval "use threads; use threads::shared; use Thread::Queue; 1";
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die "Slic3r Prusa Edition requires working Perl threads.\n" if ! $have_threads;
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die "threads.pm >= 1.96 is required, please update\n" if $threads::VERSION < 1.96;
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die "Perl threading is broken with this Moo version: " . $Moo::VERSION . "\n" if $Moo::VERSION == 1.003000;
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$debug = 1 if (defined($ENV{'SLIC3R_DEBUGOUT'}) && $ENV{'SLIC3R_DEBUGOUT'} == 1);
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print "Debugging output enabled\n" if $debug;
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}
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warn "Running Slic3r under Perl 5.16 is neither supported nor recommended\n"
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if $^V == v5.16;
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use FindBin;
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# Let the XS module know where the GUI resources reside.
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set_resources_dir(decode_path($FindBin::Bin) . (($^O eq 'darwin') ? '/../Resources' : '/resources'));
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set_var_dir(resources_dir() . "/icons");
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set_local_dir(resources_dir() . "/localization/");
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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::ExtrusionLoop;
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use Slic3r::ExtrusionPath;
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use Slic3r::Flow;
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use Slic3r::GCode::Reader;
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use Slic3r::Geometry::Clipper;
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use Slic3r::Layer;
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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::Simple;
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use Slic3r::Surface;
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our $build = eval "use Slic3r::Build; 1";
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use Thread::Semaphore;
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# Scaling between the float and integer coordinates.
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# Floats are in mm.
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use constant SCALING_FACTOR => 0.000001;
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# Keep track of threads we created. Perl worker threads shall not create further threads.
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my @threads = ();
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my $pause_sema = Thread::Semaphore->new;
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my $paused = 0;
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# Set the logging level at the Slic3r XS module.
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$Slic3r::loglevel = (defined($ENV{'SLIC3R_LOGLEVEL'}) && $ENV{'SLIC3R_LOGLEVEL'} =~ /^[1-9]/) ? $ENV{'SLIC3R_LOGLEVEL'} : 0;
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set_logging_level($Slic3r::loglevel);
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# Let the palceholder parser evaluate one expression to initialize its local static macro_processor
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# class instance in a thread safe manner.
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Slic3r::GCode::PlaceholderParser->new->evaluate_boolean_expression('1==1');
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sub spawn_thread {
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my ($cb) = @_;
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@_ = ();
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my $thread = threads->create(sub {
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Slic3r::debugf "Starting thread %d...\n", threads->tid;
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local $SIG{'KILL'} = sub {
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Slic3r::debugf "Exiting thread %d...\n", threads->tid;
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Slic3r::thread_cleanup();
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threads->exit();
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};
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local $SIG{'STOP'} = sub {
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$pause_sema->down;
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$pause_sema->up;
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};
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$cb->();
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});
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push @threads, $thread->tid;
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return $thread;
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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::BridgeDetector::DESTROY = sub {};
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*Slic3r::Config::DESTROY = sub {};
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*Slic3r::Config::Full::DESTROY = sub {};
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*Slic3r::Config::GCode::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::Config::Static::DESTROY = sub {};
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*Slic3r::ExPolygon::DESTROY = sub {};
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*Slic3r::ExPolygon::Collection::DESTROY = sub {};
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*Slic3r::ExtrusionLoop::DESTROY = sub {};
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*Slic3r::ExtrusionMultiPath::DESTROY = sub {};
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*Slic3r::ExtrusionPath::DESTROY = sub {};
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*Slic3r::ExtrusionPath::Collection::DESTROY = sub {};
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*Slic3r::ExtrusionSimulator::DESTROY = sub {};
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*Slic3r::Flow::DESTROY = sub {};
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*Slic3r::GCode::DESTROY = sub {};
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*Slic3r::GCode::PlaceholderParser::DESTROY = sub {};
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*Slic3r::GCode::PreviewData::DESTROY = sub {};
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*Slic3r::GCode::Sender::DESTROY = sub {};
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*Slic3r::Geometry::BoundingBox::DESTROY = sub {};
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*Slic3r::Geometry::BoundingBoxf::DESTROY = sub {};
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*Slic3r::Geometry::BoundingBoxf3::DESTROY = sub {};
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*Slic3r::Layer::PerimeterGenerator::DESTROY = sub {};
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*Slic3r::Line::DESTROY = sub {};
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*Slic3r::Linef3::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::Object::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::Print::SupportMaterial2::DESTROY = sub {};
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*Slic3r::TriangleMesh::DESTROY = sub {};
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*Slic3r::GUI::AppConfig::DESTROY = sub {};
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*Slic3r::GUI::GCodePreviewData::DESTROY = sub {};
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*Slic3r::GUI::PresetBundle::DESTROY = sub {};
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*Slic3r::GUI::Tab::DESTROY = sub {};
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*Slic3r::GUI::PresetHints::DESTROY = sub {};
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*Slic3r::GUI::TabIface::DESTROY = sub {};
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*Slic3r::OctoPrint::DESTROY = sub {};
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*Slic3r::Duet::DESTROY = sub {};
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*Slic3r::PresetUpdater::DESTROY = sub {};
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return undef; # this prevents a "Scalars leaked" warning
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}
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sub _get_running_threads {
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return grep defined($_), map threads->object($_), @threads;
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}
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sub kill_all_threads {
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# Send SIGKILL to all the running threads to let them die.
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foreach my $thread (_get_running_threads) {
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Slic3r::debugf "Thread %d killing %d...\n", threads->tid, $thread->tid;
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$thread->kill('KILL');
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}
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# unlock semaphore before we block on wait
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# otherwise we'd get a deadlock if threads were paused
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resume_all_threads();
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# in any thread we wait for our children
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foreach my $thread (_get_running_threads) {
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Slic3r::debugf " Thread %d waiting for %d...\n", threads->tid, $thread->tid;
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$thread->join; # block until threads are killed
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Slic3r::debugf " Thread %d finished waiting for %d...\n", threads->tid, $thread->tid;
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}
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@threads = ();
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}
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sub pause_all_threads {
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return if $paused;
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$paused = 1;
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$pause_sema->down;
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$_->kill('STOP') for _get_running_threads;
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}
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sub resume_all_threads {
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return unless $paused;
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$paused = 0;
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$pause_sema->up;
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}
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# Open a file by converting $filename to local file system locales.
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sub open {
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my ($fh, $mode, $filename) = @_;
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return CORE::open $$fh, $mode, encode_path($filename);
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}
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sub tags {
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my ($format) = @_;
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$format //= '';
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my %tags;
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# End of line
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$tags{eol} = ($format eq 'html') ? '<br>' : "\n";
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# Heading
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$tags{h2start} = ($format eq 'html') ? '<b>' : '';
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$tags{h2end} = ($format eq 'html') ? '</b>' : '';
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# Bold font
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$tags{bstart} = ($format eq 'html') ? '<b>' : '';
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$tags{bend} = ($format eq 'html') ? '</b>' : '';
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# Verbatim
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$tags{vstart} = ($format eq 'html') ? '<pre>' : '';
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$tags{vend} = ($format eq 'html') ? '</pre>' : '';
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return %tags;
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}
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sub slic3r_info
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{
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my (%params) = @_;
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my %tag = Slic3r::tags($params{format});
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my $out = '';
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$out .= "$tag{bstart}$Slic3r::FORK_NAME$tag{bend}$tag{eol}";
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$out .= "$tag{bstart}Version: $tag{bend}$Slic3r::VERSION$tag{eol}";
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$out .= "$tag{bstart}Build: $tag{bend}$Slic3r::BUILD$tag{eol}";
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return $out;
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}
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sub copyright_info
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{
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my (%params) = @_;
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my %tag = Slic3r::tags($params{format});
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my $out =
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'Copyright © 2016 Vojtech Bubnik, Prusa Research. <br />' .
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'Copyright © 2011-2016 Alessandro Ranellucci. <br />' .
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'<a href="http://slic3r.org/">Slic3r</a> is licensed under the ' .
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'<a href="http://www.gnu.org/licenses/agpl-3.0.html">GNU Affero General Public License, version 3</a>.' .
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'<br /><br /><br />' .
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'Contributions by Henrik Brix Andersen, Nicolas Dandrimont, Mark Hindess, Petr Ledvina, Y. Sapir, Mike Sheldrake and numerous others. ' .
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'Manual by Gary Hodgson. Inspired by the RepRap community. <br />' .
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'Slic3r logo designed by Corey Daniels, <a href="http://www.famfamfam.com/lab/icons/silk/">Silk Icon Set</a> designed by Mark James. ';
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return $out;
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}
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sub system_info
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{
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my (%params) = @_;
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my %tag = Slic3r::tags($params{format});
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my $out = '';
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$out .= "$tag{bstart}Operating System: $tag{bend}$Config{osname}$tag{eol}";
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$out .= "$tag{bstart}System Architecture: $tag{bend}$Config{archname}$tag{eol}";
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if ($^O eq 'MSWin32') {
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$out .= "$tag{bstart}Windows Version: $tag{bend}" . `ver` . $tag{eol};
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} else {
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# Hopefully some kind of unix / linux.
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$out .= "$tag{bstart}System Version: $tag{bend}" . `uname -a` . $tag{eol};
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}
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$out .= $tag{vstart} . Config::myconfig . $tag{vend};
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$out .= " $tag{bstart}\@INC:$tag{bend}$tag{eol}$tag{vstart}";
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foreach my $i (@INC) {
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$out .= " $i\n";
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}
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$out .= "$tag{vend}";
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return $out;
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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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package Wx::Printout;
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1;
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