package Bio::Graphics::Glyph::tic_tac_toe;
use strict;
use base qw(Bio::Graphics::Glyph::generic);
sub default_mode
{
return 'x';
}
sub default_size
{
return 10;
}
sub draw_component {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $fg = $self->fgcolor;
my $size = defined $self->option('size') ? $self->option('size') : $self->default_size();
my $mode= defined $self->option('mode') ? $self->option('mode') : $self->default_mode();
my $midY = ($y1+$y2)/2;
for (my $i=0; $i<($x2-$x1)/$size; $i++)
{
my $start = $x1+$i*$size;
my $end = $x1+($i+1)*$size;
if ($mode eq "x" || ($mode eq "xo" && $i%2==0))
{
$gd->line($start, $midY-$size/2, $end, $midY+$size/2, $fg);
$gd->line($end, $midY-$size/2, $start, $midY+$size/2, $fg);
}
elsif ($mode eq "o" || ($mode eq "xo" && $i%2==1))
{
$gd->ellipse(($start+$end)/2, $midY, $size, $size, $fg);
}
}
}
1;
__END__
=head1 NAME
Bio::Graphics::Glyph::tic_tac_toe - The "tic-tac-toe" glyph
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws a sequence of either 'xxx', 'ooo' or 'xoxo',
depending on the value of 'mode'.
=head2 OPTIONS
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-mode One of 'x', 'o', or 'xo'. 'x'
-size Size of either 'x' or 'o' 10
=head1 BUGS
Please report them.
=head1 SEE ALSO
L<Bio::Graphics::Panel>,
L<Bio::Graphics::Glyph>,
L<Bio::Graphics::Glyph::arrow>,
L<Bio::Graphics::Glyph::cds>,
L<Bio::Graphics::Glyph::crossbox>,
L<Bio::Graphics::Glyph::diamond>,
L<Bio::Graphics::Glyph::dna>,
L<Bio::Graphics::Glyph::dot>,
L<Bio::Graphics::Glyph::ellipse>,
L<Bio::Graphics::Glyph::extending_arrow>,
L<Bio::Graphics::Glyph::generic>,
L<Bio::Graphics::Glyph::graded_segments>,
L<Bio::Graphics::Glyph::heterogeneous_segments>,
L<Bio::Graphics::Glyph::line>,
L<Bio::Graphics::Glyph::pinsertion>,
L<Bio::Graphics::Glyph::primers>,
L<Bio::Graphics::Glyph::rndrect>,
L<Bio::Graphics::Glyph::segments>,
L<Bio::Graphics::Glyph::ruler_arrow>,
L<Bio::Graphics::Glyph::toomany>,
L<Bio::Graphics::Glyph::transcript>,
L<Bio::Graphics::Glyph::transcript2>,
L<Bio::Graphics::Glyph::translation>,
L<Bio::Graphics::Glyph::triangle>,
L<Bio::DB::GFF>,
L<Bio::SeqI>,
L<Bio::SeqFeatureI>,
L<Bio::Das>,
L<GD>
=head1 AUTHOR
Vsevolod (Simon) Ilyushchenko E<lt>simonf@cshl.eduE<gt>.
Copyright (c) 2004 Cold Spring Harbor Laboratory
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself. See DISCLAIMER.txt for
disclaimers of warranty.
=cut