Ace::Graphics::Glyph::dot - The "ellipse" glyph

AcePerl documentation Contained in the AcePerl distribution.

Index

Code Index:

NAME

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Ace::Graphics::Glyph::dot - The "ellipse" glyph

SYNOPSIS

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  See L<Ace::Graphics::Panel> and L<Ace::Graphics::Glyph>.

DESCRIPTION

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This glyph draws an ellipse the width of the scaled feature passed, and height a possibly configured height (See Ace::Graphics::Glyph).

OPTIONS

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.

BUGS

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Please report them.

SEE ALSO

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Ace::Sequence, Ace::Sequence::Feature, Ace::Graphics::Panel, Ace::Graphics::Track, Ace::Graphics::Glyph::anchored_arrow, Ace::Graphics::Glyph::arrow, Ace::Graphics::Glyph::box, Ace::Graphics::Glyph::primers, Ace::Graphics::Glyph::segments, Ace::Graphics::Glyph::toomany, Ace::Graphics::Glyph::transcript,

AUTHOR

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Allen Day <day@cshl.org>.

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.

AcePerl documentation Contained in the AcePerl distribution. 
package Ace::Graphics::Glyph::dot;
# DAS-compatible package to use for drawing a ring or filled circle

use strict;
use vars '@ISA';
@ISA = 'Ace::Graphics::Glyph';

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 $fg = $self->fgcolor;
  my $xmid   = (($x1+$x2)/2);  my $width  = abs($x2-$x1);
  my $ymid   = (($y1+$y2)/2);  my $height = abs($y2-$y1);

  if ($self->option('point')){
    my $p = $self->option('point');
    $gd->arc($xmid,$ymid,$p*2,$p*2,0,360,$fg);
  } else {
    $gd->arc($xmid,$ymid,$width,$height,0,360,$fg);
  }



  if ($self->option('fillcolor')){
    my $c = $self->color('fillcolor');
    $gd->fill($xmid,$ymid,$c);
  }

  $self->draw_label($gd,@_) if $self->option('label');
}

1;

__END__