NAME

Data::FormValidator::Filters::ImgData - Resize image on the fly

VERSION

This document describes Data::FormValidator::Filters::ImgData version 0.0.3

SYNOPSIS

    use MyWebApp;
    use CGI::Application::Plugin::JSON qw(to_json);
    use CGI::Application::Plugin::AJAXUpload;
    use Data::FormValidator::Filters::ImgData;

    sub setup {
        my $c = shift;
        $c->ajax_upload_httpdocs('/var/www/vhosts/mywebapp/httpdocs');
        
        my $profile = $c->ajax_upload_default_profile;
        $profile->{field_filters}->{value} = filter_resize(300,200);

        $c->ajax_upload_setup(
            run_mode=>'file_upload',
            upload_subdir=>'/img/uploads',
            dfv_profile=>$profile,
        );
        return;
    }

DESCRIPTION

This module rewrites and formats an image. It is intended specifically to work with CGI::Application::Plugin::AJAXUpload and hence Data::FormValidator. Unlike, for example Data::FormValidator::Filters::Image, it takes raw image data and returns raw image data.

INTERFACE

filter_resize

This returns the subroutine reference that does the work. It takes as arguments the width and height in that order. There is an optional third argument which is the format. This defaults to jpeg but can be anything that works as a method on a GD::Image object returning image data.

ACKNOWLEDGEMENTS

The core of the code is copied from Image::Resize. However the constructor for that module does not take raw data.

DEPENDENCIES

This module uses the GD module.

BUGS AND LIMITATIONS

Please report any bugs or feature requests to bug-cgi-application-plugin-ajaxupload@rt.cpan.org, or through the web interface at http://rt.cpan.org.

AUTHOR

Nicholas Bamber <nicholas@periapt.co.uk>

LICENCE AND COPYRIGHT

Copyright (c) 2010, Nicholas Bamber <nicholas@periapt.co.uk>. All rights reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.