=head1 VERSION
-Version 0.01
+Version 0.02
=cut
-our $VERSION = '0.01';
+our $VERSION = '0.02';
use LaTeX::TikZ::Point;
+use LaTeX::TikZ::Interface;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
use Any::Moose 'Util::TypeConstraints';
+=head1 RELATIONSHIPS
+
+This class consumes the L<LaTeX::TikZ::Set::Op> role, and as such implements the L</path> method.
+
+=cut
+
with 'LaTeX::TikZ::Set::Op';
+=head1 ATTRIBUTES
+
+=head2 C<point>
+
+The L<LaTeX::TikZ::Point> object representing the underlying geometrical point.
+
+=cut
+
has 'point' => (
is => 'ro',
isa => 'LaTeX::TikZ::Point::Autocoerce',
required => 1,
coerce => 1,
+ handles => [ qw/x y/ ],
+);
+
+=head2 C<label>
+
+An optional label for the point.
+
+=cut
+
+has 'label' => (
+ is => 'rw',
+ isa => 'Maybe[Str]',
+ default => undef,
+);
+
+=head2 C<pos>
+
+The position of the label around the point.
+
+=cut
+
+enum 'LaTeX::TikZ::Set::Point::Positions' => (
+ 'below left',
+ 'below',
+ 'below right',
+ 'right',
+ 'above right',
+ 'above',
+ 'above left',
+ 'left',
+);
+
+has 'pos' => (
+ is => 'rw',
+ isa => 'Maybe[LaTeX::TikZ::Set::Point::Positions]',
);
coerce 'LaTeX::TikZ::Set::Point'
=> from 'Any'
=> via { __PACKAGE__->new(point => $_) };
+coerce 'LaTeX::TikZ::Point::Autocoerce'
+ => from 'LaTeX::TikZ::Set::Point'
+ => via { $_->point };
+
+=head1 METHODS
+
+=head2 C<path>
+
+=cut
+
sub path {
my ($set, $tikz) = @_;
my $p = $set->point;
- '(' . $tikz->len($p->x) . ',' . $tikz->len($p->y) . ')';
+ my $path = '(' . $tikz->len($p->x) . ',' . $tikz->len($p->y) . ')';
+
+ my $label = $set->label;
+ if (defined $label) {
+ my $pos = $set->pos;
+ $pos = 'above' unless defined $pos;
+
+ my $size = sprintf '%0.1fpt', 2 * $tikz->scale / 5;
+ $path .= " [fill] circle ($size) " . $tikz->label($label, $pos);
+ }
+
+ $path;
}
-use LaTeX::TikZ::Interface point => sub {
- shift;
+LaTeX::TikZ::Interface->register(
+ point => sub {
+ shift;
+
+ my $point;
+ if (@_ == 0) {
+ $point = 0;
+ } elsif (@_ % 2) {
+ $point = shift;
+ } else { # @_ even, @_ >= 2
+ $point = [ shift, shift ];
+ }
+
+ __PACKAGE__->new(point => $point, @_);
+ },
+);
- __PACKAGE__->new(point => @_ > 1 ? \@_ : $_[0] );
-};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(
+ point => $set->point,
+ label => $set->label,
+ pos => $set->pos,
+ );
+ }
+);
__PACKAGE__->meta->make_immutable;
+=head1 SEE ALSO
+
+L<LaTeX::TikZ>, L<LaTeX::TikZ::Set::Op>.
+
=head1 AUTHOR
Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.