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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
package Slic3r;
# Copyright holder: Alessandro Ranellucci
# This application is licensed under the GNU Affero General Public License, version 3
use strict;
use warnings;
require v5.10;
our $VERSION = "1.0.0RC2";
our $debug = 0;
sub debugf {
printf @_ if $debug;
}
# load threads before Moo as required by it
our $have_threads;
BEGIN {
use Config;
$have_threads = $Config{useithreads} && eval "use threads; use threads::shared; use Thread::Queue; 1";
### temporarily disable threads if using the broken Moo version
use Moo;
$have_threads = 0 if $Moo::VERSION == 1.003000;
}
warn "Running Slic3r under Perl >= 5.16 is not supported nor recommended\n"
if $^V >= v5.16;
use FindBin;
our $var = "$FindBin::Bin/var";
use Encode;
use Encode::Locale;
use Boost::Geometry::Utils 0.15;
use Moo 1.003001;
use Slic3r::XS; # import all symbols (constants etc.) before they get parsed
use Slic3r::Config;
use Slic3r::ExPolygon;
use Slic3r::Extruder;
use Slic3r::ExtrusionLoop;
use Slic3r::ExtrusionPath;
use Slic3r::ExtrusionPath::Collection;
use Slic3r::Fill;
use Slic3r::Flow;
use Slic3r::Format::AMF;
use Slic3r::Format::OBJ;
use Slic3r::Format::STL;
use Slic3r::GCode;
use Slic3r::GCode::ArcFitting;
use Slic3r::GCode::CoolingBuffer;
use Slic3r::GCode::Layer;
use Slic3r::GCode::MotionPlanner;
use Slic3r::GCode::Reader;
use Slic3r::GCode::SpiralVase;
use Slic3r::GCode::VibrationLimit;
use Slic3r::Geometry qw(PI);
use Slic3r::Geometry::BoundingBox;
use Slic3r::Geometry::Clipper;
use Slic3r::Layer;
use Slic3r::Layer::Region;
use Slic3r::Line;
use Slic3r::Model;
use Slic3r::Point;
use Slic3r::Polygon;
use Slic3r::Polyline;
use Slic3r::Print;
use Slic3r::Print::Object;
use Slic3r::Print::Region;
use Slic3r::Print::SupportMaterial;
use Slic3r::Surface;
use Slic3r::TriangleMesh;
our $build = eval "use Slic3r::Build; 1";
use constant SCALING_FACTOR => 0.000001;
use constant RESOLUTION => 0.0125;
use constant SCALED_RESOLUTION => RESOLUTION / SCALING_FACTOR;
use constant OVERLAP_FACTOR => 1;
use constant SMALL_PERIMETER_LENGTH => (6.5 / SCALING_FACTOR) * 2 * PI;
use constant LOOP_CLIPPING_LENGTH_OVER_SPACING => 0.15;
use constant INFILL_OVERLAP_OVER_SPACING => 0.45;
use constant EXTERNAL_INFILL_MARGIN => 3;
our $Config;
sub parallelize {
my %params = @_;
if (!$params{disable} && $Slic3r::have_threads && $Config->threads > 1) {
my @items = (ref $params{items} eq 'CODE') ? $params{items}->() : @{$params{items}};
my $q = Thread::Queue->new;
$q->enqueue(@items, (map undef, 1..$Config->threads));
my $thread_cb = sub {
$params{thread_cb}->($q);
Slic3r::thread_cleanup();
# This explicit exit avoids an untrappable
# "Attempt to free unreferenced scalar" error
# triggered on Ubuntu 12.04 32-bit when we're running
# from the Wx plater and
# we're reusing the same plater object more than once.
# The downside to using this exit is that we can't return
# any value to the main thread but we're not doing that
# anymore anyway.
# collect_cb is completely useless now
# and should be removed from the codebase.
threads->exit;
};
$params{collect_cb} ||= sub {};
@_ = ();
foreach my $th (map threads->create($thread_cb), 1..$Config->threads) {
$params{collect_cb}->($th->join);
}
} else {
$params{no_threads_cb}->();
}
}
# call this at the very end of each thread (except the main one)
# so that it does not try to free existing objects.
# at that stage, existing objects are only those that we
# inherited at the thread creation (thus shared) and those
# that we are returning: destruction will be handled by the
# main thread in both cases.
# reminder: do not destroy inherited objects in other threads,
# as the main thread will still try to destroy them when they
# go out of scope; in other words, if you're undef()'ing an
# object in a thread, make sure the main thread still holds a
# reference so that it won't be destroyed in thread.
sub thread_cleanup {
# prevent destruction of shared objects
no warnings 'redefine';
*Slic3r::ExPolygon::DESTROY = sub {};
*Slic3r::ExPolygon::Collection::DESTROY = sub {};
*Slic3r::ExtrusionLoop::DESTROY = sub {};
*Slic3r::ExtrusionPath::DESTROY = sub {};
*Slic3r::ExtrusionPath::Collection::DESTROY = sub {};
*Slic3r::Line::DESTROY = sub {};
*Slic3r::Point::DESTROY = sub {};
*Slic3r::Polygon::DESTROY = sub {};
*Slic3r::Polyline::DESTROY = sub {};
*Slic3r::Polyline::Collection::DESTROY = sub {};
*Slic3r::Surface::DESTROY = sub {};
*Slic3r::Surface::Collection::DESTROY = sub {};
*Slic3r::TriangleMesh::DESTROY = sub {};
return undef; # this prevents a "Scalars leaked" warning
}
sub encode_path {
my ($filename) = @_;
return encode('locale_fs', $filename);
}
sub open {
my ($fh, $mode, $filename) = @_;
return CORE::open $$fh, $mode, encode_path($filename);
}
# this package declaration prevents an ugly fatal warning to be emitted when
# spawning a new thread
package GLUquadricObjPtr;
1;
|