1 package LaTeX::TikZ::Set;
8 LaTeX::TikZ::Set - Base role for LaTeX::TikZ set objects.
16 our $VERSION = '0.01';
20 use LaTeX::TikZ::Scope;
22 use LaTeX::TikZ::Tools;
24 use Any::Moose 'Role';
32 isa => 'Maybe[ArrayRef[LaTeX::TikZ::Mod]]',
34 default => sub { [ ] },
38 sub mods { @{$_[0]->_mods} }
40 my $ltm_tc = LaTeX::TikZ::Tools::type_constraint('LaTeX::TikZ::Mod');
41 my $ltml_tc = LaTeX::TikZ::Tools::type_constraint('LaTeX::TikZ::Mod::Layer');
42 my $ltmc_tc = LaTeX::TikZ::Tools::type_constraint('LaTeX::TikZ::Mod::Clip');
47 my @mods = map $ltm_tc->coerce($_), @_;
48 $ltm_tc->assert_valid($_) for @mods;
50 push @{$set->_mods}, @mods;
59 around 'draw' => sub {
60 my ($orig, $set, $tikz) = @_;
62 local $last_mod = $last_mod;
65 my %saved_idx = map { $_ => $#{$mods{$_}} } keys %mods;
66 my $guard = Scope::Guard->new(sub {
68 if (exists $saved_idx{$_}) {
69 $#{$mods{$_}} = $saved_idx{$_};
76 my (@mods, $last_layer);
78 for my $mod ($set->mods) {
79 my $is_layer = $ltml_tc->check($mod);
80 $last_layer = $mod if $is_layer;
82 my $old = $mods{$tag} || [];
84 next MOD if $_->[0]->cover($mod);
86 push @{$mods{$tag}}, [ $mod, $last_mod++, $is_layer ];
91 # Clips and mods don't propagate through layers. Hence if a layer is set,
94 push @mods, map $_->[0],
95 sort { $a->[1] <=> $b->[1] }
101 my $body = $set->$orig($tikz);
104 $body = LaTeX::TikZ::Scope->new
105 ->mod(map $_->apply($tikz), @mods)
114 return $_[0] unless @_ > 1;
119 $ltml_tc->check($layer) ? $layer
120 : LaTeX::TikZ::Mod::Layer->new(name => $layer)
125 return $_[0] unless @_ > 1;
129 $ltmc_tc->check($_) ? $_ : LaTeX::TikZ::Mod::Clip->new(clip => $_)
136 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
138 You can contact me by mail or on C<irc.perl.org> (vincent).
142 Please report any bugs or feature requests to C<bug-latex-tikz at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=LaTeX-TikZ>.
143 I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
147 You can find documentation for this module with the perldoc command.
151 =head1 COPYRIGHT & LICENSE
153 Copyright 2010 Vincent Pit, all rights reserved.
155 This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
159 1; # End of LaTeX::TikZ::Set