X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FLaTeX%2FTikZ%2FSet%2FPolyline.pm;h=987c321d380f3cb7efce1437b8d68f29a09cc2ef;hb=6832c809e7591e1c3e2809654f814c298d28d2ef;hp=ef339e4d9a213e8600b721b0d8fd10075faa51e7;hpb=080eb1e263eb7c3700a9ebfd96522eaa534a0b6c;p=perl%2Fmodules%2FLaTeX-TikZ.git

diff --git a/lib/LaTeX/TikZ/Set/Polyline.pm b/lib/LaTeX/TikZ/Set/Polyline.pm
index ef339e4..987c321 100644
--- a/lib/LaTeX/TikZ/Set/Polyline.pm
+++ b/lib/LaTeX/TikZ/Set/Polyline.pm
@@ -5,22 +5,31 @@ use warnings;
 
 =head1 NAME
 
-LaTeX::TikZ::Set::Polyline - A set object representing a line.
+LaTeX::TikZ::Set::Polyline - A set object representing a possibly closed path composed of contiguous lines.
 
 =head1 VERSION
 
-Version 0.01
+Version 0.02
 
 =cut
 
-our $VERSION = '0.01';
+our $VERSION = '0.02';
 
 use LaTeX::TikZ::Set::Point;
 
+use LaTeX::TikZ::Interface;
+use LaTeX::TikZ::Functor;
+
 use Any::Moose;
 use Any::Moose 'Util::TypeConstraints';
 
-with 'LaTeX::TikZ::Set::Op';
+=head1 RELATIONSHIPS
+
+This class consumes the L<LaTeX::TikZ::Set::Path> role, and as such implements the L</path> method.
+
+=cut
+
+with 'LaTeX::TikZ::Set::Path';
 
 subtype 'LaTeX::TikZ::Set::Polyline::Vertices'
      => as 'ArrayRef[LaTeX::TikZ::Set::Point]'
@@ -31,6 +40,14 @@ coerce 'LaTeX::TikZ::Set::Polyline::Vertices'
     => from 'ArrayRef[Any]'
     => via { [ map LaTeX::TikZ::Set::Point->new(point => $_), @$_ ] };
 
+=head1 ATTRIBUTES
+
+=head2 C<points>
+
+The list of the successive vertices of the path.
+
+=cut
+
 has '_points' => (
  is       => 'ro',
  isa      => 'LaTeX::TikZ::Set::Polyline::Vertices',
@@ -41,12 +58,24 @@ has '_points' => (
 
 sub points { @{$_[0]->_points} }
 
+=head2 C<closed>
+
+A boolean that indicates whether the path is closed or not.
+
+=cut
+
 has 'closed' => (
  is      => 'ro',
  isa     => 'Bool',
  default => 0,
 );
 
+=head1 METHODS
+
+=head2 C<path>
+
+=cut
+
 sub path {
  my $set = shift;
 
@@ -54,20 +83,61 @@ sub path {
               ($set->closed ? 'cycle' : ());
 }
 
-use LaTeX::TikZ::Interface polyline => sub {
- shift;
+=head2 C<begin>
+
+=cut
+
+sub begin {
+ my $set = shift;
+
+ my @points = $set->points;
+ return undef unless @points;
+
+ $points[0]->begin;
+}
+
+=head2 C<end>
 
- __PACKAGE__->new(points => \@_);
-};
+=cut
 
-use LaTeX::TikZ::Interface closed_polyline => sub {
- shift;
+sub end {
+ my $set = shift;
 
- __PACKAGE__->new(points => \@_, closed => 1);
-};
+ my @points = $set->points;
+ return undef unless @points;
+
+ $points[-1]->end;
+}
+
+LaTeX::TikZ::Interface->register(
+ polyline => sub {
+  shift;
+
+  __PACKAGE__->new(points => \@_);
+ },
+ closed_polyline => sub {
+  shift;
+
+  __PACKAGE__->new(points => \@_, closed => 1);
+ },
+);
+
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+  my ($functor, $set, @args) = @_;
+  $set->new(
+   points => [ map $_->$functor(@args), $set->points ],
+   closed => $set->closed,
+  );
+ }
+);
 
 __PACKAGE__->meta->make_immutable;
 
+=head1 SEE ALSO
+
+L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Path>.
+
 =head1 AUTHOR
 
 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.