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.