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Man Pages


Manual Reference Pages  -  IMAGE::METADATA::GQVIEW (3)

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NAME

Image::MetaData::GQview - Perl extension for GQview image metadata

CONTENTS

SYNOPSIS



   use Image::MetaData::GQview;

   my $md = Image::MetaData::GQview->new("test.jpg");
   my $md2 = Image::MetaData::GQview->new("test2.jpg", {fields => [keywords, comment, picture info]});
   my $md3 = Image::MetaData::GQview->new({file => "test2.jpg", fields => [keywords, comment, picture info]});
   $md->load("test.jpg");
   my $comment = $md->comment;
   my @keywords = $md->keywords;
   my $raw = $md->raw;
   $md->comment("This is a comment");
   $md->keywords(@keywords);
   $md->save("test.jpg");



DESCRIPTION

This module is a abstraction to the image meta data of GQview.

All internal errors will trow an error!

    METHODS

new This is a class method and the only one. It is used to get a object of Image::MetaData::GQview. It can be called without parameter or with the image as only option in witch case it try to load the meta data.

You can provide a hash reference as second or as only parameter which specify file and/or fields. The fields are default keywords and comment in this order.

load If you didn’t load the data with new you can do that with this method. If the parameter is left out the one setted before is used.

You can also specify the location for the meta file as second parameter.

comment Get or set the comment.
keywords Get or set the keywords. This is the preferred method for the keywords as it shift out empty keywords.
raw Get the raw data
save Save the data to disk. This will read the location from the gqview configuration. If there is none, the info will be saved in local directory.

You can also specify the location for the meta file as second parameter.

get_field This will extract the information of one field and return it as single sting (in scalar context) or as array splitted in lines.

Please note, it array context also empty lines can be returned!

set_field Well, of cause if you can get a field you have to be able to set it.

The arguments are the field name and the data.

The data can be a single value or a array.

BUGS

Please report any bugs or feature requests to bug-image-metadata-gqview at rt.cpan.org, or through the web interface at <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Image-MetaData-GQview>. I will be notified, and then you’ll automatically be notified of progress on your bug as I make changes.

INCOMPATIBILITIES

The module cannot be used under non unixoid systems like windows. But there is no need for this module anyway as the tool gqview is only available on unixoid systems.

SUPPORT

You can find documentation for this module with the perldoc command.



   perldoc Image::MetaData::GQview



You can also look for information at:
o AnnoCPAN: Annotated CPAN documentation

<http://annocpan.org/dist/Image-MetaData-GQview>

o CPAN Ratings

<http://cpanratings.perl.org/d/Image-MetaData-GQview>

o RT: CPAN’s request tracker

<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Image-MetaData-GQview>

o Search CPAN

<http://search.cpan.org/dist/Image-MetaData-GQview>

SEE ALSO



   man qview



AUTHOR

Klaus Ethgen <Klaus@Ethgen.de>

COPYRIGHT

Copyright (c) 2006-2009 by Klaus Ethgen. All rights reserved.

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., 675 Mass Ave, Cambridge, MA 02139, USA.

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perl v5.20.3 IMAGE::METADATA::GQVIEW (3) 2009-03-28

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