126 lines
4.0 KiB
Perl
126 lines
4.0 KiB
Perl
package Slic3r::Test::SectionCut;
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use Moo;
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use Slic3r::Geometry qw(X Y A B X1 Y1 X2 Y2 unscale);
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use Slic3r::Geometry::Clipper qw(union_ex);
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use SVG;
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has 'scale' => (is => 'ro', default => sub {30});
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has 'print' => (is => 'ro', required => 1);
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has 'y_percent' => (is => 'ro', default => sub {0.5});
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has 'line' => (is => 'lazy');
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has 'height' => (is => 'rw');
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sub _build_line {
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my $self = shift;
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my @bb = $self->print->bounding_box;
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my $y = ($bb[Y2]-$bb[Y1]) * $self->y_percent;
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return [ [ $bb[X1], $y ], [ $bb[X2], $y ] ]
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}
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sub export_svg {
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my $self = shift;
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my ($filename) = @_;
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my $print_size = $self->print->size;
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$self->height(unscale($print_size->[X]));
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my $svg = SVG->new(
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width => $self->scale * unscale($print_size->[X]),
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height => $self->scale * $self->height,
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);
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my $group = sub {
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my %p = @_;
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my $g = $svg->group(style => $p{style});
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$g->rectangle(%$_) for $self->_get_rectangles($p{filter});
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};
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$group->(
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filter => sub { map @{$_->perimeters}, @{$_[0]->regions} },
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style => {
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'stroke-width' => 1,
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'stroke' => 'grey',
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'fill' => 'red',
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},
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);
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$group->(
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filter => sub { map @{$_->fills}, @{$_[0]->regions} },
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style => {
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'stroke-width' => 1,
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'stroke' => '#444444',
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'fill' => 'grey',
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},
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);
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$group->(
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filter => sub { $_[0]->support_fills, $_[0]->support_contact_fills },
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style => {
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'stroke-width' => 1,
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'stroke' => '#444444',
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'fill' => '#22FF00',
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},
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);
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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 "Section cut SVG written to %s\n", $filename;
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}
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sub _get_rectangles {
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my $self = shift;
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my ($filter) = @_;
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my @rectangles = ();
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foreach my $object (@{$self->print->objects}) {
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foreach my $copy (@{$object->copies}) {
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foreach my $layer (@{$object->layers}) {
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# get all ExtrusionPath objects
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my @paths =
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map { $_->polyline->translate(@$copy); $_ }
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map { $_->isa('Slic3r::ExtrusionLoop') ? $_->split_at_first_point : $_ }
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map { ref($_) =~ /::Packed$/ ? $_->unpack : $_ }
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map { $_->isa('Slic3r::ExtrusionPath::Collection') ? @{$_->paths} : $_ }
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grep defined $_,
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$filter->($layer);
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foreach my $path (@paths) {
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foreach my $line ($path->lines) {
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my @intersections = @{ Boost::Geometry::Utils::polygon_multi_linestring_intersection(
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Slic3r::ExPolygon->new($line->grow(Slic3r::Geometry::scale $path->flow_spacing/2)),
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[ $self->line ],
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) };
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push @rectangles, map {
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die "Intersection has more than two points!\n" if @$_ > 2;
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my $height = $path->height // $layer->height;
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{
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'x' => $self->scale * unscale $_->[A][X],
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'y' => $self->scale * $self->_y(unscale($layer->print_z)),
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'width' => $self->scale * unscale(abs($_->[B][X] - $_->[A][X])),
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'height' => $self->scale * $height,
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'rx' => $self->scale * $height * 0.35,
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'ry' => $self->scale * $height * 0.35,
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};
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} @intersections;
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}
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}
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}
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}
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}
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return @rectangles;
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}
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sub _y {
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my $self = shift;
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my ($y) = @_;
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return $self->height - $y;
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}
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1;
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