Bio::Graphics::Glyph::two_bolts - The "two bolts" glyph
Index
Code Index:
NAME
Bio::Graphics::Glyph::two_bolts - The "two bolts" glyph
SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
DESCRIPTION
This glyph draws two "bolts" on a line. They look like this;
--------/\/\/\--
--/\/\/\--------
OPTIONS
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-bolt_height Height of the bolt 10
-bolt_length Length of the bolt 20
-bolt_color Color of the bolt red
-remainder_length
Length of the short line 10
BUGS
SEE ALSO
Bio::Graphics::Panel,
Bio::Graphics::Glyph,
Bio::Graphics::Glyph::arrow,
Bio::Graphics::Glyph::cds,
Bio::Graphics::Glyph::crossbox,
Bio::Graphics::Glyph::diamond,
Bio::Graphics::Glyph::dna,
Bio::Graphics::Glyph::dot,
Bio::Graphics::Glyph::ellipse,
Bio::Graphics::Glyph::extending_arrow,
Bio::Graphics::Glyph::generic,
Bio::Graphics::Glyph::graded_segments,
Bio::Graphics::Glyph::heterogeneous_segments,
Bio::Graphics::Glyph::line,
Bio::Graphics::Glyph::pinsertion,
Bio::Graphics::Glyph::primers,
Bio::Graphics::Glyph::rndrect,
Bio::Graphics::Glyph::segments,
Bio::Graphics::Glyph::ruler_arrow,
Bio::Graphics::Glyph::toomany,
Bio::Graphics::Glyph::transcript,
Bio::Graphics::Glyph::transcript2,
Bio::Graphics::Glyph::translation,
Bio::Graphics::Glyph::triangle,
Bio::DB::GFF,
Bio::SeqI,
Bio::SeqFeatureI,
Bio::Das,
GD
AUTHOR
Vsevolod (Simon) Ilyushchenko <simonf@cshl.edu>.
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.
package Bio::Graphics::Glyph::two_bolts;
use strict;
use base qw(Bio::Graphics::Glyph::generic);
sub default_bolt_height
{
return 10;
}
sub default_bolt_length
{
return 20;
}
sub default_remainder_length
{
return 10;
}
sub default_bolt_color
{
return 'red';
}
sub draw_component {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $fg = $self->fgcolor;
my $midY1 = $y1+($y2-$y1) / 3;
my $midY2 = $y1 + 2*($y2-$y1) / 3;
my $bolt_color = defined $self->option('bolt_color') ? $self->option('bolt_color') : $self->default_bolt_color();
$bolt_color = $self->factory->translate_color($bolt_color);
my $bolt_height = defined $self->option('bolt_height') ? $self->option('bolt_height') : $self->default_bolt_height();
my $bolt_length = defined $self->option('bolt_length') ? $self->option('bolt_length') : $self->default_bolt_length();
my $remainder_length = defined $self->option('remainder_length') ? $self->option('remaindert_length') : $self->default_remainder_length();
if ($x2-$x1 < $bolt_length+$remainder_length)
{
$gd->line($x1, $y1, $x2, $y2, $bolt_color);
return;
}
my $bolt_start = $x2-$bolt_length-$remainder_length;
my $step = $bolt_length / 8;
my $shift = $bolt_height/2;
$gd->line($x1, $midY1, $bolt_start, $midY1, $fg);
$self->draw_bolt($gd, $bolt_start, $step, $midY1, $shift, $bolt_color);
$gd->line($x2-$remainder_length, $midY1, $x2, $midY1, $fg);
$bolt_start = $x1+$remainder_length;
$gd->line($x1, $midY2, $bolt_start, $midY2, $fg);
$self->draw_bolt($gd, $bolt_start, $step, $midY2, $shift, $bolt_color);
$gd->line($x1+$bolt_length+$remainder_length, $midY2, $x2, $midY2, $fg);
}
sub draw_bolt
{
my ($self, $gd, $bolt_start, $step, $y, $shift, $bolt_color) = @_;
$gd->line($bolt_start, $y, $bolt_start+$step, $y-$shift, $bolt_color);
$gd->line($bolt_start+$step, $y-$shift, $bolt_start+3*$step, $y+$shift, $bolt_color);
$gd->line($bolt_start+3*$step, $y+$shift, $bolt_start+5*$step, $y-$shift, $bolt_color);
$gd->line($bolt_start+5*$step, $y-$shift, $bolt_start+7*$step, $y+$shift, $bolt_color);
$gd->line($bolt_start+7*$step, $y+$shift, $bolt_start+8*$step, $y, $bolt_color);
}
1;
__END__