/usr/bin/stag-drawtree is in libdata-stag-perl 0.11-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | #!/usr/bin/perl -w
eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}'
if 0; # not running under some shell
# POD docs at end
use strict;
use Data::Stag qw(:all);
use Getopt::Long;
use FileHandle;
use GD;
my $e = "";
my $fmt = 'png';
my $out;
my $parser;
my $fontchoice;
GetOptions("element|e=s"=>\$e,
"out|o=s"=>\$out,
"parser|format|p=s" => \$parser,
"font=s"=>\$fontchoice,
"help|h"=>sub { system("perldoc $0"); exit },
);
my $fn = shift @ARGV;
my $fh;
if ($fn eq '-') {
$fh = \*STDIN;
}
else {
$fh = FileHandle->new($fn) || die $fn;
}
my $tab = 4;
my $stag = Data::Stag->parse(-file=>$fn, -format=>$parser);
my $box = box($stag, 0, 0);
my $FONT = gdLargeFont;
if ($fontchoice) {
if ($fontchoice eq 'gdMediumBoldFont') {
$FONT = gdMediumBoldFont;
}
}
my $CW = $FONT->width;
my $CH = $FONT->height;
my $width = $CW * $box->{x2};
my $height = $CH * $box->{y2};
my $im = new GD::Image($width, $height);
my $bgcol = $im->colorAllocate(255, 255, 255);
my $fgcol = $im->colorAllocate(0, 0, 0);
my $linecol = $im->colorAllocate(0, 0, 0);
my $namecol = $im->colorAllocate(0, 0, 0);
my $datacol = $im->colorAllocate(255, 0, 0);
#$im->transparent($bgcol);
$im->interlaced('true');
drawbox($im, $box);
if ($out) {
open(F, ">$out") || die($out);
print F $im->$fmt();
close(F);
}
else {
print $im->$fmt();
}
sub box {
my $stag = shift;
my ($x, $y)= @_;
my $y1 = $y;
my $x2 = $x;
my @kids = $stag->kids;
my @subboxes = ();
my $data;
if ($stag->isterminal) {
$data = $stag->data;
$x2 += length($data) + length($stag->element) + 1;
@kids = ();
}
$y++;
foreach my $kid (@kids) {
my $subbox = box($kid, $x + $tab, $y);
push(@subboxes, $subbox);
$y = $subbox->{y2};
if ($subbox->{x2} > $x2) {
$x2 = $subbox->{x2};
}
}
return
{boxes=>\@subboxes,
name=>$stag->element,
data=>$data,
x1=>$x,
x2=>$x2,
y1=>$y1,
y2=>$y,
};
}
sub drawbox {
my $im = shift;
my $box = shift;
my $sx1 = $box->{x1} * $CW;
my $sy1 = $box->{y1} * $CH;
my $name = $box->{name};
my $data = $box->{data};
$im->string($FONT,
$sx1,
$sy1,
$name,
$namecol);
if ($data) {
$im->string($FONT,
$sx1 + length($name) * $CW + 1 * $CW,
$sy1,
$data,
$datacol);
}
my $subboxes = $box->{boxes};
my $XOFF = int($CW / 2);
my $YOFF = int($CH / 2);
foreach (@$subboxes) {
drawbox($im, $_);
my $ix = $sx1 + $XOFF;
my $iy = $_->{y1} * $CH + $YOFF;
my $jx = $_->{x1} * $CW;
$im->line($ix, $sy1 + $CH, $ix, $iy, $linecol);
$im->line($ix, $iy, $jx, $iy, $linecol);
}
}
exit 0;
__END__
=head1 NAME
stag-drawtree - draws a stag file (xml, itext, sxpr) as a PNG diagram
=head1 SYNOPSIS
stag-drawtree -o my.png myfile.xml
stag-drawtree -p My::MyFormatParser -o my.png myfile.myfmt
=head1 DESCRIPTION
requires GD library and GD perl module
=head1 ARGUMENTS
=over
=item -p|parser FORMAT
FORMAT is one of xml, sxpr or itext, or the name of a perl module
xml assumed as default
=back
=head1 SEE ALSO
L<Data::Stag>
=cut
|