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package Slic3r::SVG;
use strict;
use warnings;
use SVG;
use constant X => 0;
use constant Y => 1;
sub factor {
return $Slic3r::resolution * 10;
}
sub svg {
my ($print) = @_;
$print ||= Slic3r::Print->new(x_length => 200 / $Slic3r::resolution, y_length => 200 / $Slic3r::resolution);
my $svg = SVG->new(width => $print->max_length * factor(), height => $print->max_length * factor());
my $marker_end = $svg->marker(
id => "endArrow",
viewBox => "0 0 10 10",
refX => "1",
refY => "5",
markerUnits => "strokeWidth",
orient => "auto",
markerWidth => "10",
markerHeight => "8",
);
$marker_end->polyline(
points => "0,0 10,5 0,10 1,5",
fill => "darkblue",
);
return $svg;
}
sub output {
my ($print, $filename, %things) = @_;
my $svg = svg($print);
foreach my $type (qw(polygons polylines white_polygons green_polygons red_polygons red_polylines)) {
if ($things{$type}) {
my $method = $type =~ /polygons/ ? 'polygon' : 'polyline';
my ($colour) = $type =~ /^(red|green)_/;
my $g = $svg->group(
style => {
'stroke-width' => 2,
'stroke' => $colour || 'black',
'fill' => ($type !~ /polygons/ ? 'none' : ($colour || 'grey')),
},
);
foreach my $polygon (@{$things{$type}}) {
my $path = $svg->get_path(
'x' => [ map($_->[X] * factor(), @$polygon) ],
'y' => [ map($_->[Y] * factor(), @$polygon) ],
-type => 'polygon',
);
$g->$method(
%$path,
'marker-end' => $things{no_arrows} ? "" : "url(#endArrow)",
);
}
}
}
foreach my $type (qw(points red_points)) {
if ($things{$type}) {
my ($colour, $r) = $type eq 'points' ? ('black', 5) : ('red', 3);
my $g = $svg->group(
style => {
'stroke-width' => 2,
'stroke' => $colour,
'fill' => $colour,
},
);
foreach my $point (@{$things{$type}}) {
$g->circle(
cx => $point->[X] * factor(),
cy => $point->[Y] * factor(),
r => $r,
);
}
}
}
foreach my $type (qw(lines red_lines green_lines)) {
if ($things{$type}) {
my ($colour) = $type =~ /^(red|green)_/;
my $g = $svg->group(
style => {
'stroke-width' => 2,
},
);
foreach my $line (@{$things{$type}}) {
$g->line(
x1 => $line->[0][X] * factor(),
y1 => $line->[0][Y] * factor(),
x2 => $line->[1][X] * factor(),
y2 => $line->[1][Y] * factor(),
style => {
'stroke' => $colour || 'black',
},
'marker-end' => $things{no_arrows} ? "" : "url(#endArrow)",
);
}
}
}
write_svg($svg, $filename);
}
sub output_points {
my ($print, $filename, $points, $red_points) = @_;
return output($print, $filename, points => $points, red_points => $red_points);
}
sub output_polygons {
my ($print, $filename, $polygons) = @_;
return output($print, $filename, polygons => $polygons);
}
sub output_polylines {
my ($print, $filename, $polylines) = @_;
return output($print, $filename, polylines => $polylines);
}
sub output_lines {
my ($print, $filename, $lines) = @_;
return output($print, $filename, lines => $lines);
}
sub write_svg {
my ($svg, $filename) = @_;
open my $fh, '>', $filename;
print $fh $svg->xmlify;
close $fh;
printf "SVG written to %s\n", $filename;
}
1;
|
