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package Bio::Graphics::Glyph::flag;
# Non object-oriented utilities used here-and-there in Bio::Graphics modules
sub my_description {
return <<END;
This glyph draws a flag with text next to it.
END
}
sub my_options {
{
text => [
'string',
'ori',
'Text to draw next to the flag.'],
width => [
'integer',
20,
'Width of the flag.'],
}
}
=head1 NAME
Bio::Graphics::Glyph::flag - the "flag" glyph
=cut
use strict;
use base qw(Bio::Graphics::Glyph::generic);
sub default_text
{
return "ori";
}
sub default_width
{
return 20;
}
sub draw_component {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $fg = $self->fgcolor;
my $bg = $self->bgcolor;
my $width = $self->option('width') || $self->default_width;
my $text = $self->option('text') || $self->default_text;
my $oneThirdY = $y1 + ($y2-$y1) / 3;
my $twoThirdsY = $y1 + 2 * ($y2-$y1) / 3;
my $poly_pkg = $self->polygon_package;
my $polygon = $poly_pkg->new();
$polygon->addPt($x1, $y1);
$polygon->addPt($x1+$width, $oneThirdY);
$polygon->addPt($x1, $twoThirdsY);
$gd->polygon($polygon, $fg);
$gd->fillToBorder($x1+$width/2, $oneThirdY, $fg, $bg);
$gd->line($x1, $y1, $x1, $y2, $fg);
my $font = $self->option('labelfont') || $self->font;
$gd->string($font, $x1 + 3, $twoThirdsY-3, $text, $self->fontcolor);
}
1;
__END__
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws a flag with a text next to it.
=head2 OPTIONS
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-text Text to draw next to the flag ori
-width Width of the flag 20
=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
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