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;
62 my (@mods, $last_layer);
64 for my $mod ($set->mods) {
65 my $is_layer = $ltml_tc->check($mod);
66 $last_layer = $mod if $is_layer;
68 my $old = $mods{$tag} || [];
70 next MOD if $_->[0]->cover($mod);
72 push @{$mods{$tag}}, [ $mod, $last_mod++, $is_layer ];
77 # Clips and mods don't propagate through layers. Hence if a layer is set,
80 push @mods, map $_->[0],
81 sort { $a->[1] <=> $b->[1] }
90 around 'draw' => sub {
91 my ($orig, $set, $tikz) = @_;
93 local $last_mod = $last_mod;
96 my %saved_idx = map { $_ => $#{$mods{$_}} } keys %mods;
97 my $guard = Scope::Guard->new(sub {
99 if (exists $saved_idx{$_}) {
100 $#{$mods{$_}} = $saved_idx{$_};
107 my @mods = $set->mods_unique;
109 my $body = $set->$orig($tikz);
112 $body = LaTeX::TikZ::Scope->new
113 ->mod(map $_->apply($tikz), @mods)
122 return $_[0] unless @_ > 1;
127 $ltml_tc->check($layer) ? $layer
128 : LaTeX::TikZ::Mod::Layer->new(name => $layer)
133 return $_[0] unless @_ > 1;
137 $ltmc_tc->check($_) ? $_ : LaTeX::TikZ::Mod::Clip->new(clip => $_)
144 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
146 You can contact me by mail or on C<irc.perl.org> (vincent).
150 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>.
151 I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
155 You can find documentation for this module with the perldoc command.
159 =head1 COPYRIGHT & LICENSE
161 Copyright 2010 Vincent Pit, all rights reserved.
163 This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
167 1; # End of LaTeX::TikZ::Set