#!/usr/bin/env perl
#
# Note: t/test.t searches for the next line.
# Annotation: Demonstrates a HTML label with a table.
use strict;
use warnings;
use File::Spec;
use GraphViz2;
use Log::Handler;
# ---------------
my($logger) = Log::Handler -> new;
$logger -> add
(
screen =>
{
maxlevel => 'debug',
message_layout => '%m',
minlevel => 'error',
}
);
my($id) = 2;
my($graph) = GraphViz2 -> new
(
edge => {color => 'grey'},
global => {directed => 1},
graph => {label => "HTML label demo # $id - Using \\<\\<table\\> ... \\</table\\>\\>", rankdir => 'TB'},
logger => $logger,
node => {shape => 'oval'},
);
$graph -> add_node
(
label =>
q|
<<table bgcolor = 'white'>
<tr>
<td bgcolor = 'palegreen'>The green node is the start node</td>
</tr>
<tr>
<td bgcolor = 'lightblue'>Lightblue nodes are for lexeme attributes</td>
</tr>
<tr>
<td bgcolor = 'orchid'>Orchid nodes are for lexemes</td>
</tr>
<tr>
<td bgcolor = 'goldenrod'>Golden nodes are for actions</td>
</tr>
<tr>
<td bgcolor = 'firebrick1'>Red nodes are for events</td>
</tr>
</table>>
|,
name => 'Legend',
shape => 'plaintext',
);
my($format) = shift || 'svg';
my($output_file) = shift || File::Spec -> catfile('html', "html.labels.$id.$format");
$graph -> run(format => $format, output_file => $output_file);