/usr/share/perl5/LaTeXML/Post/PictureImages.pm is in latexml 0.8.2-1.
This file is owned by root:root, with mode 0o644.
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 | # /=====================================================================\ #
# | LaTeXML::Post::PictureImages | #
# | Postprocessor to create images for picture | #
# |=====================================================================| #
# | Part of LaTeXML: | #
# | Public domain software, produced as part of work done by the | #
# | United States Government & not subject to copyright in the US. | #
# |---------------------------------------------------------------------| #
# | Bruce Miller <bruce.miller@nist.gov> #_# | #
# | http://dlmf.nist.gov/LaTeXML/ (o o) | #
# \=========================================================ooo==U==ooo=/ #
package LaTeXML::Post::PictureImages;
use strict;
use warnings;
use LaTeXML::Post;
use base qw(LaTeXML::Post::LaTeXImages);
sub new {
my ($class, %options) = @_;
$options{resource_directory} = 'pic' unless defined $options{resource_directory};
$options{resource_prefix} = 'pic' unless defined $options{resource_prefix};
$options{use_dvipng} = 0 unless defined $options{use_dvipng};
return $class->SUPER::new(%options); }
#======================================================================
sub find_documentclass_and_packages {
my ($self, $doc) = @_;
my ($classdata, @packages) = $self->SUPER::find_documentclass_and_packages($doc);
# If we haven't already included graphics or graphicx
if (!grep { /graphic(:?s|x)/ } @packages) {
# and if a picture has @scale
if ($doc->findnodes('//ltx:picture[@scale]')) {
# Then load graphicx as well
push(@packages, ['graphicx', '']); } }
return ($classdata, @packages); }
# Return the list of Picture nodes.
sub toProcess {
my ($self, $doc) = @_;
return $doc->findnodes('//ltx:picture'); }
# Return the TeX string to format the image for this node.
sub extractTeX {
my ($self, $doc, $node) = @_;
my $tex = $self->cleanTeX($node->getAttribute('tex') || '');
$tex =~ s/\n//gs; # trim stray CR's
if (my $u = $node->getAttribute('unitlength')) {
$tex = "\\setlength{\\unitlength}{$u}" . $tex; }
# xunitlength, yunitlength for pstricks???
if (my $s = $node->getAttribute('scale')) {
$tex = "\\scalebox{$s}{$tex}"; }
return "\\beginPICTURE $tex\\endPICTURE"; }
sub process {
my ($self, $doc, @nodes) = @_;
return $self->generateImages($doc, @nodes); }
sub setTeXImage {
my ($self, $doc, $node, $path, $width, $height, $depth) = @_;
$self->SUPER::setTeXImage($doc, $node, $path, $width, $height, $depth);
# Since the width & height attributes can get exposed in the XSLT (CSS)
# adjust them to match the size actually computed
$node->setAttribute(width => $width . "pt");
$node->setAttribute(height => $height . "pt");
return; }
# Definitions needed for processing inline & display picture images
sub preamble {
my ($self, $doc) = @_;
return <<'EOPreamble';
\def\scalePicture#1{\setlength{\unitlength}{#1 \unitlength}
\@tempdimb\f@size\p@ \@tempdimb#1\@tempdimb
\fontsize{\strip@pt\@tempdimb}{\strip@pt\@tempdimb}\selectfont}
\def\beginPICTURE{\lxBeginImage}
\def\endPICTURE{\lxEndImage\lxShowImage}
EOPreamble
}
#======================================================================
1;
|