Raw content of Bio::Graphics::Glyph::dot
<![CDATA[package Bio::Graphics::Glyph::dot;
# DAS-compatible package to use for drawing a ring or filled circle
use strict;
use vars '@ISA';
use Bio::Graphics::Glyph::generic;
@ISA = 'Bio::Graphics::Glyph::generic';
use constant PI => 3.14159;
sub draw {
my $self = shift;
# $self->SUPER::draw(@_);
my $gd = shift;
my $fg = $self->fgcolor;
# now draw a circle
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $xmid = (($x1+$x2)/2); my $width = abs($x2-$x1);
my $ymid = (($y1+$y2)/2); my $height = abs($y2-$y1);
#only point ovals allowed now
my $r = $self->height ;
$gd->arc($xmid,$ymid,$r,$r,0,360,$fg);
if ($self->option('bgcolor')){
my $c = $self->color('bgcolor');
$gd->fill($xmid,$ymid,$c);
}
#how about a fuse for the bomb?
#work in degrees, not radians. So we define PI above
if(defined $self->option('stem')){
my $angle = $self->option('stem');
$gd->line($xmid+($r/PI*sin($angle*PI/180)),
$ymid+($r/PI*cos($angle*PI/180)),
$xmid+($r*sin($angle*PI/180)),
$ymid+($r*cos($angle*PI/180)),$fg);
}
$self->draw_label($gd,@_) if $self->option('label');
}
1;
__END__
=head1 NAME
Bio::Graphics::Glyph::dot - The "dot" glyph
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws an ellipse the width of the scaled feature passed,
and height a possibly configured height (See Bio::Graphics::Glyph).
=head2 OPTIONS
The following options are standard among all Glyphs. See
L<Bio::Graphics::Glyph> for a full explanation.
Option Description Default
------ ----------- -------
-fgcolor Foreground color black
-outlinecolor Synonym for -fgcolor
-bgcolor Background color turquoise
-fillcolor Synonym for -bgcolor
-linewidth Line width 1
-height Height of glyph 10
-font Glyph font gdSmallFont
-connector Connector type 0 (false)
-connector_color
Connector color black
-label Whether to draw a label 0 (false)
-description Whether to draw a description 0 (false)
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-point Whether to draw an ellipse feature width
the scaled width of the
feature or with radius
point.
=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
Allen Day E<lt>day@cshl.orgE<gt>.
Copyright (c) 2001 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
]]>