package Bio::Graphics::Glyph::text_in_box;
use strict;
use base qw(Bio::Graphics::Glyph::generic);
sub default_text
{
return "3'";
}
sub default_text_pad
{
return 3;
}
sub draw_component {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $fg = $self->fgcolor;
my $font = $self->option('labelfont') || $self->font;
my $text = defined $self->option('text') ? $self->option('text') : $self->default_text();
my $text_pad = defined $self->option('text_pad') ? $self->option('text_pad') : $self->default_text_pad();
my $width = $self->string_width($text);
my $height = $self->font_height;
my $midY = ($y2+$y1) / 2;
my $poly_pkg = $self->polygon_package;
my $polygon = $poly_pkg->new();
$polygon->addPt($x1,$midY-$height/2-$text_pad);
$polygon->addPt($x1+$width+2*$text_pad,$midY-$height/2-$text_pad);
$polygon->addPt($x1+$width+2*$text_pad,$midY+$height/2+$text_pad);
$polygon->addPt($x1, $midY+$height/2+$text_pad);
if (defined (my $bgcolor = $self->option('text_bgcolor')))
{
$gd->filledPolygon($polygon,$self->factory->translate_color($bgcolor));
}
$gd->polygon($polygon,$fg);
$gd->string($font, $x1+$text_pad, $midY-$height/2, $text, $self->fontcolor);
}
1;
__END__
=head1 NAME
Bio::Graphics::Glyph::text_in_box - The "text in box" glyph
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws the specified text in a rectangular box.
=head2 OPTIONS
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-text The text to draw in the box 3'
-text_pad The number of pixels to offset 3
the box
-text_bgcolor none
The background color of the box
=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