/usr/share/perl5/LaTeXML/Post/MathImages.pm is in latexml 0.8.1-1.
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 82 83 84 85 86 | # /=====================================================================\ #
# | LaTeXML::Post::MathImages | #
# | Postprocessor to create images for math | #
# |=====================================================================| #
# | 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::MathImages;
use strict;
use warnings;
use LaTeXML::Post;
use LaTeXML::Util::Pathname;
use base qw(LaTeXML::Post::MathProcessor LaTeXML::Post::LaTeXImages);
sub new {
my ($class, %options) = @_;
$options{resource_directory} = 'mi' unless defined $options{resource_directory};
$options{resource_prefix} = 'mi' unless defined $options{resource_prefix};
# return $class->SUPER::new(%options); }
# Dangerous, since multiple inheritance!
return $class->LaTeXML::Post::LaTeXImages::new(%options); }
#======================================================================
# Return the list of Math nodes.
sub toProcess {
my ($self, $doc) = @_;
return $doc->findnodes('//ltx:Math'); }
# Return the TeX string to format the image for this node.
sub extractTeX {
my ($self, $doc, $node) = @_;
my $mode = uc($node->getAttribute('mode') || 'INLINE');
my $tex = $self->cleanTeX($node->getAttribute('tex'));
return unless defined $tex;
$mode = 'DISPLAY' if $tex =~ s/^\s*\\displaystyle\s+//; # Strip leading displaystyle
return ($tex =~ /^\s*$/ ? undef : "\\begin$mode $tex\\end$mode"); }
my $MML_NAMESPACE = "http://www.w3.org/1998/Math/MathML"; # [CONSTANT]
# Don't set the image attributes, will be handled by math postprocessing.
sub setTeXImage {
return; }
our %MIMETYPES = (gif => 'image/gif', jpeg => 'image/jpeg', png => 'image/png', svg => 'image/svg+xml');
sub preprocess {
my ($self, $doc, @nodes) = @_;
return $self->generateImages($doc, @nodes); }
# RIDICULOUS amount of work to look up the image that was previously generated!!!
sub convertNode {
my ($self, $doc, $xmath, $style) = @_;
my $math = $xmath->parentNode;
my $tex = $self->extractTeX($doc, $math);
my $type = $$self{imagetype};
# next if !(defined $tex) || ($tex =~ /^\s*$/);
my $key = (ref $self) . ':' . $type . ':' . $tex;
if (($doc->cacheLookup($key) || '') =~ /^(.*);(\d+);(\d+);(\d+)$/) {
my ($image, $width, $height, $depth) = ($1, $2, $3, $4);
# Ideally, $image is already relative, but if not, make relative to document
my $reldest = pathname_relative($image, $doc->getDestinationDirectory);
return { processor => $self, mimetype => $MIMETYPES{$type},
src => $reldest, width => $width, height => $height, depth => $depth }; }
else {
print STDERR "Couldn't find image for '$key'\n";
return {}; } }
# Definitions needed for processing inline & display math images
sub preamble {
my ($self, $doc) = @_;
return <<'EOPreamble';
\def\beginINLINE{\lxBeginImage\(}
\def\endINLINE{\)\lxEndImage\lxShowImage}
% For Display, same as inline, but set displaystyle.
\def\beginDISPLAY{\lxBeginImage\(\displaystyle\the\everydisplay}
\def\endDISPLAY{\)\lxEndImage\lxShowImage}
EOPreamble
}
#======================================================================
1;
|