package Catalyst::View::Image::Empty;
use strict;
use warnings;
use Moose;
extends 'Catalyst::View';
use Image::Empty;
has format => ( is => 'ro', isa => 'Str', default => 'gif' );
has filename => ( is => 'ro', isa => 'Str' );
=head1 NAME
Catalyst::View::Image::Empty - View to return a 1x1 empty GIF or PNG, for building tracking URLs.
=head1 VERSION
Version 0.06
=cut
our $VERSION = '0.06';
$VERSION = eval $VERSION;
=head1 SYNOPSIS
=head3 Create View
script/myapp_create.pl view My::Image::Empty Image::Empty
=head3 In Your Controller
sub tracker :Local
{
my ( $self, $c ) = @_;
$c->detach('View::My::Image::Empty');
}
=cut
=head1 DESCRIPTION
Catalyst::View::Image::Empty is a view that returns a 1x1 empty GIF or PNG, for building tracking URLs.
GIF is default.
You can switch to PNG by specifying the C<format> in the config.
package MyApp::View::Image::Empty;
use strict;
use warnings;
use base 'Catalyst::View::Image::Empty';
__PACKAGE__->config(
format => 'png',
);
C<filename> is another config option you can change, the default filename you would see if you "Save Page As..." in a browser.
=cut
sub process
{
my ( $self, $c ) = @_;
my $format = $self->format;
my $empty = Image::Empty->$format;
$empty->filename( $self->filename ) if $self->filename;
$c->response->content_type( $empty->type );
$c->response->content_length( $empty->length );
$c->response->header( 'Content-Disposition' => $empty->disposition . '; filename="' . $empty->filename . '"' );
$c->response->body( $empty->content );
}
=head1 SEE ALSO
L<Image::Empty>
=head1 AUTHOR
Rob Brown, C<< <rob at intelcompute.com> >>
=head1 BUGS
Please report any bugs or feature requests to C<bug-catalyst-view-image-empty at rt.cpan.org>, or through
the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Catalyst-View-Image-Empty>. I will be notified, and then you will
automatically be notified of progress on your bug as I make changes.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc Catalyst::View::Image::Empty
You can also look for information at:
=over 4
=item * RT: CPAN's request tracker (report bugs here)
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Catalyst-View-Image-Empty>
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/Catalyst-View-Image-Empty>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/Catalyst-View-Image-Empty>
=item * Search CPAN
L<http://search.cpan.org/dist/Catalyst-View-Image-Empty/>
=back
=head1 LICENSE AND COPYRIGHT
Copyright 2012 Rob Brown.
This program is free software; you can redistribute it and/or modify it
under the terms of either: the GNU General Public License as published
by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.
=cut
1;