The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.

NAME

App::ImageInfoUtils - Utilities related to getting (metadata) information from images

VERSION

This document describes version 0.003 of App::ImageInfoUtils (from Perl distribution App-ImageInfoUtils), released on 2019-06-09.

FUNCTIONS

image_info

Usage:

 image_info(%args) -> [status, msg, payload, meta]

Get information about image files.

This function is not exported.

Arguments ('*' denotes required arguments):

  • files* => array[filename]

Returns an enveloped result (an array).

First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (payload) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

image_is_landscape

Usage:

 image_is_landscape(%args) -> [status, msg, payload, meta]

Return exit code 0 if image is landscape.

This function is not exported.

Arguments ('*' denotes required arguments):

  • file* => filename

  • quiet => true

    Don't output anything on command-line, just return appropriate exit code.

Returns an enveloped result (an array).

First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (payload) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

image_is_portrait

Usage:

 image_is_portrait(%args) -> [status, msg, payload, meta]

Return exit code 0 if image is portrait.

This function is not exported.

Arguments ('*' denotes required arguments):

  • file* => filename

  • quiet => true

    Don't output anything on command-line, just return appropriate exit code.

Returns an enveloped result (an array).

First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (payload) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

image_orientation

Usage:

 image_orientation(%args) -> [status, msg, payload, meta]

Return orientation of image.

This function is not exported.

Arguments ('*' denotes required arguments):

  • file* => filename

Returns an enveloped result (an array).

First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (payload) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/App-ImageInfoUtils.

SOURCE

Source repository is at https://github.com/perlancar/perl-App-ImageInfoUtils.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=App-ImageInfoUtils

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2019 by perlancar@cpan.org.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.