#! /usr/bin/perl -w
# @(#$Id: rclimg,v 1.4 2008-10-09 06:38:53 dockes Exp $ (C) 2007 Cedric Scott
#######################################################
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
######################################################
#
# rclimg: extract image tags with exiftool and convert the data to html for
# recoll indexing.
#
#
# maps image file tags to xapian tags
#
$tagMap = {
'subject' => 'subject',
'title' => 'title',
'headline' => 'title',
'caption' => 'caption',
'caption-abstract' => 'caption',
'author' => 'author',
'creator' => 'creator',
'from' => 'from',
'keywords' => 'keywords',
'keyword' => 'keyword',
'tag' => 'tag',
};
# set to non-zero if tags which map to xapian tags are to output
# in the body as well as the header
#
$headAndBody = 1;
# xapianTag
# returns a xapian tag to be used for this tag
#
sub xapianTag {
my $imgtag = shift;
while ( ( $tagre, $xapiantag) = each %{$tagMap} ) {
return $xapiantag if $imgtag =~ /$tagre/i;
}
return undef;
}
#
# start here
#
# JFD: replaced the "use" call with a runtime load with error checking,
# for compat with the missing filter detection code.
#use Image::ExifTool qw(:Public);
eval {require Image::ExifTool; Image::ExifTool->import(qw(:Public));};
if ($@) {
print STDERR "RECFILTERROR HELPERNOTFOUND Perl::Image::ExifTool\n";
exit(1);
}
$imageFile = shift;
$imageFile = '-' if $imageFile eq '';
unless ( open(IMGF, $imageFile) ) {
print STDERR "$0: can't open file $imageFile\n";
exit(1); # file doesn't exist or can't be read
}
$info = ImageInfo(\*IMGF);
die unless $info;
$fields = [];
$other = [];
$titleHtmlTag = "";
foreach $tagname ( sort keys %{$info} ) {
$xapiantag = xapianTag($tagname);
if (defined $xapiantag ) {
push @{$fields}, [ $xapiantag, $info->{$tagname} ];
$titleHtmlTag = "$info->{$tagname}" if $xapiantag eq 'title';
push @{$other}, [ $tagname, $info->{$tagname} ] if $headAndBody;
} else {
push @{$other}, [ $tagname, $info->{$tagname} ];
}
}
print "\n\n$titleHtmlTag\n";
print "\n";
foreach $tagpair ( @{$fields} ) {
($tagname, $value) = @{$tagpair};
print "\n";
}
print "\n";
foreach $tagpair (@{$other} ) {
($tagname, $value) = @{$tagpair};
printf "%30s : %s
\n", $tagname, $value;
}
print "\n\n";