Raw content of Bio::Graphics::Glyph::line
<![CDATA[package Bio::Graphics::Glyph::line;
# an arrow without the arrowheads
use strict;
use vars '@ISA';
@ISA = 'Bio::Graphics::Glyph::generic';
use Bio::Graphics::Glyph::generic;
sub bottom {
my $self = shift;
my $val = $self->SUPER::bottom(@_);
$val += $self->font->height if $self->option('tick');
$val += $self->labelheight if $self->option('label');
$val;
}
sub draw {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $fg = $self->fgcolor;
my $a2 = $self->SUPER::height/2;
my $center = $y1+$a2;
$gd->line($x1,$center,$x2,$center,$fg);
# add a label if requested
$self->draw_label($gd,@_) if $self->option('label');
}
1;
__END__
=head1 NAME
Bio::Graphics::Glyph::line - The "line" glyph
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws a line parallel to the sequence segment.
=head2 OPTIONS
This glyph takes only the standard options. 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)
-strand_arrow Whether to indicate 0 (false)
strandedness
=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
]]>