/usr/share/perl5/Slic3r/Test/SectionCut.pm is in slic3r 1.2.9+dfsg-2build1.
This file is owned by root:root, with mode 0o644.
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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 | package Slic3r::Test::SectionCut;
use Moo;
use List::Util qw(first min max);
use Slic3r::Geometry qw(unscale);
use Slic3r::Geometry::Clipper qw(intersection_pl);
use SVG;
use Slic3r::SVG;
has 'print' => (is => 'ro', required => 1);
has 'scale' => (is => 'ro', default => sub { 30 });
has 'y_percent' => (is => 'ro', default => sub { 0.5 }); # Y coord of section line expressed as factor
has 'line' => (is => 'rw');
has '_height' => (is => 'rw');
has '_svg' => (is => 'rw');
has '_svg_style' => (is => 'rw', default => sub { {} });
sub BUILD {
my $self = shift;
# calculate the Y coordinate of the section line
my $bb = $self->print->bounding_box;
my $y = ($bb->y_min + $bb->y_max) * $self->y_percent;
# store our section line
$self->line(Slic3r::Line->new([ $bb->x_min, $y ], [ $bb->x_max, $y ]));
}
sub export_svg {
my $self = shift;
my ($filename) = @_;
# get bounding box of print and its height
# (Print should return a BoundingBox3 object instead)
my $bb = $self->print->bounding_box;
my $print_size = $bb->size;
$self->_height(max(map $_->print_z, map @{$_->layers}, @{$self->print->objects}));
# initialize the SVG canvas
$self->_svg(my $svg = SVG->new(
width => $self->scale * unscale($print_size->x),
height => $self->scale * $self->_height,
));
# set default styles
$self->_svg_style->{'stroke-width'} = 1;
$self->_svg_style->{'fill-opacity'} = 0.5;
$self->_svg_style->{'stroke-opacity'} = 0.2;
# plot perimeters
$self->_svg_style->{'stroke'} = '#EE0000';
$self->_svg_style->{'fill'} = '#FF0000';
$self->_plot_group(sub { map @{$_->perimeters}, @{$_[0]->regions} });
# plot infill
$self->_svg_style->{'stroke'} = '#444444';
$self->_svg_style->{'fill'} = '#454545';
$self->_plot_group(sub { map @{$_->fills}, @{$_[0]->regions} });
# plot support material
$self->_svg_style->{'stroke'} = '#12EF00';
$self->_svg_style->{'fill'} = '#22FF00';
$self->_plot_group(sub { $_[0]->isa('Slic3r::Layer::Support') ? ($_[0]->support_fills, $_[0]->support_interface_fills) : () });
Slic3r::open(\my $fh, '>', $filename);
print $fh $svg->xmlify;
close $fh;
printf "Section cut SVG written to %s\n", $filename;
}
sub _plot_group {
my $self = shift;
my ($filter) = @_;
my $bb = $self->print->bounding_box;
my $g = $self->_svg->group(style => { %{$self->_svg_style} });
foreach my $object (@{$self->print->objects}) {
foreach my $copy (@{$object->_shifted_copies}) {
foreach my $layer (@{$object->layers}, @{$object->support_layers}) {
# get all ExtrusionPath objects
my @paths = map $_->clone,
map { ($_->isa('Slic3r::ExtrusionLoop') || $_->isa('Slic3r::ExtrusionPath::Collection')) ? @$_ : $_ }
grep defined $_,
$filter->($layer);
# move paths to location of copy
$_->polyline->translate(@$copy) for @paths;
if (0) {
# export plan with section line and exit
require "Slic3r/SVG.pm";
Slic3r::SVG::output(
"line.svg",
no_arrows => 1,
lines => [ $self->line ],
red_polylines => [ map $_->polyline, @paths ],
);
exit;
}
foreach my $path (@paths) {
foreach my $line (@{$path->lines}) {
my @intersections = @{intersection_pl(
[ $self->line->as_polyline ],
$line->grow(Slic3r::Geometry::scale $path->width/2),
)};
die "Intersection has more than two points!\n"
if defined first { @$_ > 2 } @intersections;
# turn intersections to lines
my @lines = map Slic3r::Line->new(@$_), @intersections;
# align intersections to canvas
$_->translate(-$bb->x_min, 0) for @lines;
# we want lines oriented from left to right in order to draw
# rectangles correctly
foreach my $line (@lines) {
$line->reverse if $line->a->x > $line->b->x;
}
if ($path->is_bridge) {
foreach my $line (@lines) {
my $radius = $path->width / 2;
my $width = unscale abs($line->b->x - $line->a->x);
if ((10 * $radius) < $width) {
# we're cutting the path in the longitudinal direction, so we've got a rectangle
$g->rectangle(
'x' => $self->scale * unscale($line->a->x),
'y' => $self->scale * $self->_y($layer->print_z),
'width' => $self->scale * $width,
'height' => $self->scale * $radius * 2,
'rx' => $self->scale * $radius * 0.35,
'ry' => $self->scale * $radius * 0.35,
);
} else {
$g->circle(
'cx' => $self->scale * (unscale($line->a->x) + $radius),
'cy' => $self->scale * $self->_y($layer->print_z - $radius),
'r' => $self->scale * $radius,
);
}
}
} else {
foreach my $line (@lines) {
my $height = $path->height;
$height = $layer->height if $height == -1;
$g->rectangle(
'x' => $self->scale * unscale($line->a->x),
'y' => $self->scale * $self->_y($layer->print_z),
'width' => $self->scale * unscale($line->b->x - $line->a->x),
'height' => $self->scale * $height,
'rx' => $self->scale * $height * 0.5,
'ry' => $self->scale * $height * 0.5,
);
}
}
}
}
}
}
}
}
sub _y {
my $self = shift;
my ($y) = @_;
return $self->_height - $y;
}
1;
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