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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
# The slicing work horse.
# Extends C++ class Slic3r::Print
package Slic3r::Print;
use strict;
use warnings;
use File::Basename qw(basename fileparse);
use File::Spec;
use List::Util qw(min max first sum);
use Slic3r::ExtrusionLoop ':roles';
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Flow ':roles';
use Slic3r::Geometry qw(X Y unscale);
use Slic3r::Geometry::Clipper qw(diff_ex union_ex intersection_ex intersection offset
union JT_ROUND JT_SQUARE);
use Slic3r::Print::State ':steps';
our $status_cb;
sub set_status_cb {
my ($class, $cb) = @_;
$status_cb = $cb;
}
sub status_cb {
return $status_cb // sub {};
}
sub size {
my $self = shift;
return $self->bounding_box->size;
}
# Slicing process, running at a background thread.
sub process {
my ($self) = @_;
print("perl process start\n");
Slic3r::trace(3, "Staring the slicing process.");
$_->make_perimeters for @{$self->objects};
$self->status_cb->(70, "Infilling layers");
$_->infill for @{$self->objects};
$_->generate_support_material for @{$self->objects};
$self->make_skirt;
$self->make_brim; # must come after make_skirt
$self->make_wipe_tower;
# time to make some statistics
if (0) {
eval "use Devel::Size";
print "MEMORY USAGE:\n";
printf " meshes = %.1fMb\n", List::Util::sum(map Devel::Size::total_size($_->meshes), @{$self->objects})/1024/1024;
printf " layer slices = %.1fMb\n", List::Util::sum(map Devel::Size::total_size($_->slices), map @{$_->layers}, @{$self->objects})/1024/1024;
printf " region slices = %.1fMb\n", List::Util::sum(map Devel::Size::total_size($_->slices), map @{$_->regions}, map @{$_->layers}, @{$self->objects})/1024/1024;
printf " perimeters = %.1fMb\n", List::Util::sum(map Devel::Size::total_size($_->perimeters), map @{$_->regions}, map @{$_->layers}, @{$self->objects})/1024/1024;
printf " fills = %.1fMb\n", List::Util::sum(map Devel::Size::total_size($_->fills), map @{$_->regions}, map @{$_->layers}, @{$self->objects})/1024/1024;
printf " print object = %.1fMb\n", Devel::Size::total_size($self)/1024/1024;
}
if (0) {
eval "use Slic3r::Test::SectionCut";
Slic3r::Test::SectionCut->new(print => $self)->export_svg("section_cut.svg");
}
Slic3r::trace(3, "Slicing process finished.");
print("perl process end\n");
}
# G-code export process, running at a background thread.
# The export_gcode may die for various reasons (fails to process output_filename_format,
# write error into the G-code, cannot execute post-processing scripts).
# It is up to the caller to show an error message.
sub export_gcode {
my $self = shift;
my %params = @_;
# prerequisites
$self->process;
# output everything to a G-code file
# The following call may die if the output_filename_format template substitution fails.
my $output_file = $self->output_filepath($params{output_file} // '');
$self->status_cb->(90, "Exporting G-code" . ($output_file ? " to $output_file" : ""));
# The following line may die for multiple reasons.
my $gcode = Slic3r::GCode->new;
if (defined $params{gcode_preview_data}) {
$gcode->do_export_w_preview($self, $output_file, $params{gcode_preview_data});
} else {
$gcode->do_export($self, $output_file);
}
# run post-processing scripts
if (@{$self->config->post_process}) {
$self->status_cb->(95, "Running post-processing scripts");
$self->config->setenv;
for my $script (@{$self->config->post_process}) {
# Ignore empty post processing script lines.
next if $script =~ /^\s*$/;
Slic3r::debugf " '%s' '%s'\n", $script, $output_file;
# -x doesn't return true on Windows except for .exe files
if (($^O eq 'MSWin32') ? !(-e $script) : !(-x $script)) {
die "The configured post-processing script is not executable: check permissions. ($script)\n";
}
if ($^O eq 'MSWin32' && $script =~ /\.[pP][lL]/) {
# The current process (^X) may be slic3r.exe or slic3r-console.exe.
# Replace it with the current perl interpreter.
my($filename, $directories, $suffix) = fileparse($^X);
$filename =~ s/^slic3r.*$/perl5\.24\.0\.exe/;
my $interpreter = $directories . $filename;
system($interpreter, $script, $output_file);
} else {
system($script, $output_file);
}
}
}
}
# Export SVG slices for the offline SLA printing.
# The export_svg is expected to be executed inside an eval block.
sub export_svg {
my $self = shift;
my %params = @_;
$_->slice for @{$self->objects};
my $fh = $params{output_fh};
if (!$fh) {
# The following line may die if the output_filename_format template substitution fails.
my $output_file = $self->output_filepath($params{output_file});
$output_file =~ s/\.[gG][cC][oO][dD][eE]$/.svg/;
Slic3r::open(\$fh, ">", $output_file) or die "Failed to open $output_file for writing\n";
print "Exporting to $output_file..." unless $params{quiet};
}
my $print_bb = $self->bounding_box;
my $print_size = $print_bb->size;
print $fh sprintf <<"EOF", unscale($print_size->[X]), unscale($print_size->[Y]);
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg width="%s" height="%s" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:slic3r="http://slic3r.org/namespaces/slic3r">
<!--
Generated using Slic3r $Slic3r::VERSION
http://slic3r.org/
-->
EOF
my $print_polygon = sub {
my ($polygon, $type) = @_;
printf $fh qq{ <polygon slic3r:type="%s" points="%s" style="fill: %s" />\n},
$type, (join ' ', map { join ',', map unscale $_, @$_ } @$polygon),
($type eq 'contour' ? 'white' : 'black');
};
my @layers = sort { $a->print_z <=> $b->print_z }
map { @{$_->layers}, @{$_->support_layers} }
@{$self->objects};
my $layer_id = -1;
my @previous_layer_slices = ();
for my $layer (@layers) {
$layer_id++;
if ($layer->slice_z == -1) {
printf $fh qq{ <g id="layer%d">\n}, $layer_id;
} else {
printf $fh qq{ <g id="layer%d" slic3r:z="%s">\n}, $layer_id, unscale($layer->slice_z);
}
my @current_layer_slices = ();
# sort slices so that the outermost ones come first
my @slices = sort { $a->contour->contains_point($b->contour->first_point) ? 0 : 1 } @{$layer->slices};
foreach my $copy (@{$layer->object->_shifted_copies}) {
foreach my $slice (@slices) {
my $expolygon = $slice->clone;
$expolygon->translate(@$copy);
$expolygon->translate(-$print_bb->x_min, -$print_bb->y_min);
$print_polygon->($expolygon->contour, 'contour');
$print_polygon->($_, 'hole') for @{$expolygon->holes};
push @current_layer_slices, $expolygon;
}
}
# generate support material
if ($self->has_support_material && $layer->id > 0) {
my (@supported_slices, @unsupported_slices) = ();
foreach my $expolygon (@current_layer_slices) {
my $intersection = intersection_ex(
[ map @$_, @previous_layer_slices ],
[ @$expolygon ],
);
@$intersection
? push @supported_slices, $expolygon
: push @unsupported_slices, $expolygon;
}
my @supported_points = map @$_, @$_, @supported_slices;
foreach my $expolygon (@unsupported_slices) {
# look for the nearest point to this island among all
# supported points
my $contour = $expolygon->contour;
my $support_point = $contour->first_point->nearest_point(\@supported_points)
or next;
my $anchor_point = $support_point->nearest_point([ @$contour ]);
printf $fh qq{ <line x1="%s" y1="%s" x2="%s" y2="%s" style="stroke-width: 2; stroke: white" />\n},
map @$_, $support_point, $anchor_point;
}
}
print $fh qq{ </g>\n};
@previous_layer_slices = @current_layer_slices;
}
print $fh "</svg>\n";
close $fh;
print "Done.\n" unless $params{quiet};
}
sub make_skirt {
my $self = shift;
print("perl make_skirt start\n");
# prerequisites
$_->make_perimeters for @{$self->objects};
$_->infill for @{$self->objects};
$_->generate_support_material for @{$self->objects};
return if $self->step_done(STEP_SKIRT);
$self->set_step_started(STEP_SKIRT);
$self->skirt->clear;
if ($self->has_skirt) {
$self->status_cb->(88, "Generating skirt");
$self->_make_skirt();
}
$self->set_step_done(STEP_SKIRT);
print("perl make_skirt end\n");
}
sub make_brim {
my $self = shift;
# prerequisites
$_->make_perimeters for @{$self->objects};
$_->infill for @{$self->objects};
$_->generate_support_material for @{$self->objects};
$self->make_skirt;
return if $self->step_done(STEP_BRIM);
$self->set_step_started(STEP_BRIM);
# since this method must be idempotent, we clear brim paths *before*
# checking whether we need to generate them
$self->brim->clear;
if ($self->config->brim_width > 0) {
$self->status_cb->(88, "Generating brim");
$self->_make_brim;
}
$self->set_step_done(STEP_BRIM);
}
sub make_wipe_tower {
my $self = shift;
# prerequisites
$_->make_perimeters for @{$self->objects};
$_->infill for @{$self->objects};
$_->generate_support_material for @{$self->objects};
$self->make_skirt;
$self->make_brim;
return if $self->step_done(STEP_WIPE_TOWER);
$self->set_step_started(STEP_WIPE_TOWER);
$self->_clear_wipe_tower;
if ($self->has_wipe_tower) {
# $self->status_cb->(95, "Generating wipe tower");
$self->_make_wipe_tower;
}
$self->set_step_done(STEP_WIPE_TOWER);
}
1;
|