Introduce LaTeX::TikZ::Set::Polyline

[perl/modules/LaTeX-TikZ.git] / lib / LaTeX / TikZ / Set / Polyline.pm

diff --git a/lib/LaTeX/TikZ/Set/Polyline.pm b/lib/LaTeX/TikZ/Set/Polyline.pm
new file mode 100644 (file)
index 0000000..ef339e4
--- /dev/null
+++ b/lib/LaTeX/TikZ/Set/Polyline.pm
@@ -0,0 +1,96 @@
+package LaTeX::TikZ::Set::Polyline;
+
+use strict;
+use warnings;
+
+=head1 NAME
+
+LaTeX::TikZ::Set::Polyline - A set object representing a line.
+
+=head1 VERSION
+
+Version 0.01
+
+=cut
+
+our $VERSION = '0.01';
+
+use LaTeX::TikZ::Set::Point;
+
+use Any::Moose;
+use Any::Moose 'Util::TypeConstraints';
+
+with 'LaTeX::TikZ::Set::Op';
+
+subtype 'LaTeX::TikZ::Set::Polyline::Vertices'
+     => as 'ArrayRef[LaTeX::TikZ::Set::Point]'
+     => where { @$_ >= 2 }
+     => message { 'at least two LaTeX::TikZ::Set::Point objects are needed in order to build a polyline' };
+
+coerce 'LaTeX::TikZ::Set::Polyline::Vertices'
+    => from 'ArrayRef[Any]'
+    => via { [ map LaTeX::TikZ::Set::Point->new(point => $_), @$_ ] };
+
+has '_points' => (
+ is       => 'ro',
+ isa      => 'LaTeX::TikZ::Set::Polyline::Vertices',
+ init_arg => 'points',
+ required => 1,
+ coerce   => 1,
+);
+
+sub points { @{$_[0]->_points} }
+
+has 'closed' => (
+ is      => 'ro',
+ isa     => 'Bool',
+ default => 0,
+);
+
+sub path {
+ my $set = shift;
+
+ join ' -- ', map($_->path(@_), $set->points),
+              ($set->closed ? 'cycle' : ());
+}
+
+use LaTeX::TikZ::Interface polyline => sub {
+ shift;
+
+ __PACKAGE__->new(points => \@_);
+};
+
+use LaTeX::TikZ::Interface closed_polyline => sub {
+ shift;
+
+ __PACKAGE__->new(points => \@_, closed => 1);
+};
+
+__PACKAGE__->meta->make_immutable;
+
+=head1 AUTHOR
+
+Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
+
+You can contact me by mail or on C<irc.perl.org> (vincent).
+
+=head1 BUGS
+
+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>.
+I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
+
+=head1 SUPPORT
+
+You can find documentation for this module with the perldoc command.
+
+    perldoc LaTeX::TikZ
+
+=head1 COPYRIGHT & LICENSE
+
+Copyright 2010 Vincent Pit, all rights reserved.
+
+This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
+
+=cut
+
+1; # End of LaTeX::TikZ::Set::Polyline