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package Bio::Graphics::Glyph::ex;
# Non object-oriented utilities used here-and-there in Bio::Graphics modules
=head1 NAME
Bio::Graphics::Glyph::ex - the "ex", or "crossed box" glyph
=cut
use strict;
use base 'Bio::Graphics::Glyph::generic';
sub my_description {
return <<END;
This is a box with an 'X' inside glyph.
END
}
# override draw_component to draw a crossed box rather than empty
sub draw_component {
my $self = shift;
my $gd = shift;
my $fg = $self->fgcolor;
my ($left,$top) = @_;
my($x1,$y1,$x2,$y2) = $self->bounds(@_);
#if widthless
if($self->option('point')){
my $arm = int($self->height/2);
my $minx = $x2 > $x1 ? $x1 : $x2;
my $centerx = abs($x2 - $x1) + $minx;
my $miny = $y2 > $y1 ? $y1 : $y2;
my $centery = abs($y2 - $y1) + $miny;
$gd->line($centerx-$arm, $centery-$arm, $centerx+$arm, $centery+$arm, $fg);
$gd->line($centerx-$arm, $centery+$arm, $centerx+$arm, $centery-$arm, $fg);
return;
} else {
$gd->line($x1,$y1,$x2,$y2,$fg);
$gd->line($x1,$y2,$x2,$y1,$fg);
}
}
1;
__END__
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This is a box with an 'X' inside 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)
-hilite Highlight color undef (no color)
=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
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