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package LaTeX::TikZ::Set::Arrow; |
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use strict; |
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use warnings; |
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=head1 NAME |
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LaTeX::TikZ::Set::Arrow - A combined set object representing an arrow. |
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=head1 VERSION |
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Version 0.02 |
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=cut |
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our $VERSION = '0.02'; |
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use Carp; |
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use LaTeX::TikZ::Point; |
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use LaTeX::TikZ::Set::Line; |
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use LaTeX::TikZ::Interface; |
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use Any::Moose 'Util::TypeConstraints' => [ 'find_type_constraint' ]; |
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my $ltp_tc = find_type_constraint('LaTeX::TikZ::Point::Autocoerce'); |
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LaTeX::TikZ::Interface->register( |
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arrow => sub { |
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shift; |
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Carp::confess('Not enough arguments') unless @_ >= 2; |
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my $from = $ltp_tc->coerce(shift); |
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my $to; |
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if ($_[0] eq 'dir') { |
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my $dir = $ltp_tc->coerce($_[1]); |
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$to = LaTeX::TikZ::Point->new( |
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x => $from->x + $dir->x, |
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y => $from->y + $dir->y, |
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); |
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} else { |
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$to = $_[0]; |
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} |
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LaTeX::TikZ::Set::Line->new( |
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from => $from, |
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to => $to, |
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)->mod('->'); |
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}, |
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); |
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=head1 SEE ALSO |
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L<LaTeX::TikZ>, L<LaTeX::TikZ::Set>. |
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=head1 AUTHOR |
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Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>. |
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You can contact me by mail or on C<irc.perl.org> (vincent). |
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=head1 BUGS |
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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>. |
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I will be notified, and then you'll automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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You can find documentation for this module with the perldoc command. |
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perldoc LaTeX::TikZ |
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=head1 COPYRIGHT & LICENSE |
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Copyright 2010 Vincent Pit, all rights reserved. |
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This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. |
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=cut |
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1; # End of LaTeX::TikZ::Set::Arrow |