Summary

Bio::Graphics::Glyph::track - The "track" glyph

Package variables

Inherit

Bio::Graphics::Glyph

Synopsis

  See Bio::Graphics::Panel and Bio::Graphics::Glyph.

Description

This glyph is used internally by Bio::Graphics::Panel for laying out
tracks. It should not be used explicitly.

Methods

Methods description

None available.

Methods code

sub connector {

  my $self = shift;
  return $self->SUPER::connector(@_) if $self->all_callbacks;
  return 'none';

}

sub draw {

  my $self = shift;
  my ($gd,$left,$top,$partno,$total_parts) = @_;

  # the clipping code here prevents poorly-behaving glyphs from
  # drawing outside the track
  my @clip;
  if ($gd->can('clip')) {
    @clip = $gd->clip();
    # glyphs are allowed a slop area of ~3 on either side and 6 on the top and bottom
    # in order to spill out over their boundaries.  Beyond this they start overlapping
    # with other glyphs in an ugly way.
    my @cliprect = ($left-$self->panel->pad_left,
		    $top-6,
		    $self->panel->right+$self->panel->pad_right,
		    $top+$self->layout_height+6);
    $gd->clip(@cliprect);
  }

  my @parts = $self->parts;
  for (my $i=0; $i<@parts; $i++) {
    $parts[$i]->draw_highlight($gd,$left,$top);
    $parts[$i]->draw($gd,$left,$top,0,1);
  }

  $gd->clip(@clip) if @clip;

}

General documentation

Please report them.

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

Lincoln Stein <lstein@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.