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