#!perl

# Note: This script is a CLI for Riap function /Math/Image/CalcResized/calc_image_resized_size
# and generated automatically using Perinci::CmdLine::Gen version 0.501

use 5.010001;
use strict;
use warnings;

use Perinci::CmdLine::Any;

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2022-05-06'; # DATE
our $DIST = 'App-ImageMagickUtils'; # DIST
our $VERSION = '0.013'; # VERSION

my $cmdline = Perinci::CmdLine::Any->new(
    url => "/Math/Image/CalcResized/calc_image_resized_size",
    program_name => "calc-image-resized-size",
    read_config => 0,
    read_env => 0,
);

$cmdline->run;

# ABSTRACT: Given size of an image (in WxH, e.g. "2592x1944") and ImageMagick-like resize instruction (e.g. "1024p>"), calculate new resized image
# PODNAME: calc-image-resized-size

__END__

=pod

=encoding UTF-8

=head1 NAME

calc-image-resized-size - Given size of an image (in WxH, e.g. "2592x1944") and ImageMagick-like resize instruction (e.g. "1024p>"), calculate new resized image

=head1 VERSION

This document describes version 0.013 of calc-image-resized-size (from Perl distribution App-ImageMagickUtils), released on 2022-05-06.

=head1 SYNOPSIS

Usage:

% B<calc-image-resized-size> [B<--format>=I<name>|B<--json>] [B<--(no)naked-res>] [B<--page-result>[=I<program>]|B<--view-result>[=I<program>]] -- E<lt>I<size>E<gt> E<lt>I<resize>E<gt>

=head1 OPTIONS

C<*> marks required options.

=head2 Main options

=over

=item B<--resize>=I<s>*

Resize instruction, follows ImageMagick format.

Resize instruction can be given in several formats:

    Syntax                     Meaning
    -------------------------- ----------------------------------------------------------------
    ""                         No resizing.

    SCALE"%"                   Height and width both scaled by specified percentage.
    SCALEX"%x"SCALEY"%"        Height and width individually scaled by specified percentages. (Only one % symbol needed.)

    WIDTH                      Width given, height automagically selected to preserve aspect ratio.
    WIDTH">"                   Shrink width if larger, height automagically selected to preserve aspect ratio.
    WIDTH"^"                   Enlarge width if smaller, height automagically selected to preserve aspect ratio.

    "x"HEIGHT                  Height given, width automagically selected to preserve aspect ratio.
    "x"HEIGHT">"               Shrink height if larger, width automagically selected to preserve aspect ratio.
    "x"HEIGHT"^"               Enlarge height if smaller, width automagically selected to preserve aspect ratio.

    WIDTH"x"HEIGHT             Maximum values of height and width given, aspect ratio preserved.
    WIDTH"x"HEIGHT"^"          Minimum values of height and width given, aspect ratio preserved.
    WIDTH"x"HEIGHT"!"          Width and height emphatically given, original aspect ratio ignored.
    WIDTH"x"HEIGHT">"          Shrinks an image with dimension(s) larger than the corresponding width and/or height argument(s).
    WIDTH"x"HEIGHT"<"          Shrinks an image with dimension(s) larger than the corresponding width and/or height argument(s).

    NUMBER"^>"                 Shrink shortest side if larger than number, aspect ratio preserved.
    NUMBER"^<"                 Enlarge shortest side if larger than number, aspect ratio preserved.
    "^"NUMBER">"               Shrink longer side if larger than number, aspect ratio preserved.
    "^"NUMBER"<"               Enlarge longer side if larger than number, aspect ratio preserved.

Currently unsupported:

    AREA"@"                    Resize image to have specified area in pixels. Aspect ratio is preserved.
    X":"Y                      Here x and y denotes an aspect ratio (e.g. 3:2 = 1.5).

Ref: <http://www.imagemagick.org/script/command-line-processing.php#geometry>


Can also be specified as the 2nd command-line argument.

=item B<--size>=I<s>*

Image/video size, in <width>x<height> format, e.g. 2592x1944.

Can also be specified as the 1st command-line argument.

=back

=head2 Output options

=over

=item B<--format>=I<s>

Choose output format, e.g. json, text.

Default value:

 undef

=item B<--json>

Set output format to json.

=item B<--naked-res>

When outputing as JSON, strip result envelope.

Default value:

 0

By default, when outputing as JSON, the full enveloped result is returned, e.g.:

    [200,"OK",[1,2,3],{"func.extra"=>4}]

The reason is so you can get the status (1st element), status message (2nd
element) as well as result metadata/extra result (4th element) instead of just
the result (3rd element). However, sometimes you want just the result, e.g. when
you want to pipe the result for more post-processing. In this case you can use
`--naked-res` so you just get:

    [1,2,3]


=item B<--page-result>

Filter output through a pager.

=item B<--view-result>

View output using a viewer.

=back

=head2 Other options

=over

=item B<--help>, B<-h>, B<-?>

Display help message and exit.

=item B<--version>, B<-v>

Display program's version and exit.

=back

=head1 COMPLETION

This script has shell tab completion capability with support for several
shells.

=head2 bash

To activate bash completion for this script, put:

 complete -C calc-image-resized-size calc-image-resized-size

in your bash startup (e.g. F<~/.bashrc>). Your next shell session will then
recognize tab completion for the command. Or, you can also directly execute the
line above in your shell to activate immediately.

It is recommended, however, that you install modules using L<cpanm-shcompgen>
which can activate shell completion for scripts immediately.

=head2 tcsh

To activate tcsh completion for this script, put:

 complete calc-image-resized-size 'p/*/`calc-image-resized-size`/'

in your tcsh startup (e.g. F<~/.tcshrc>). Your next shell session will then
recognize tab completion for the command. Or, you can also directly execute the
line above in your shell to activate immediately.

It is also recommended to install L<shcompgen> (see above).

=head2 other shells

For fish and zsh, install L<shcompgen> as described above.

=head1 EXAMPLES

 % calc-image-resized-size 2592x1944 ''
 2592x1944

 % calc-image-resized-size 2592x1944 20%
 518x388

 % calc-image-resized-size 2592x1944 20%x40%
 518x777

 % calc-image-resized-size 2592x1944 20x40%
 518x777

 % calc-image-resized-size 2592x1944 1024
 1024x768

 % calc-image-resized-size 2592x1944 '1024>'
 1024x768

 % calc-image-resized-size 2592x1944 '10240>'
 2592x1944

 % calc-image-resized-size 2592x1944 1024^
 2592x1944

 % calc-image-resized-size 2592x1944 10240^
 10240x7680

 % calc-image-resized-size 2592x1944 x1024
 1365x1024

 % calc-image-resized-size 2592x1944 'x768>'
 1024x768

 % calc-image-resized-size 2592x1944 'x7680>'
 2592x1944

 % calc-image-resized-size 2592x1944 x768^
 2592x1944

 % calc-image-resized-size 2592x1944 x7680^
 10240x7680

 % calc-image-resized-size 2592x1944 20000x10000
 2592x1944

 % calc-image-resized-size 2592x1944 20000x1000
 1333x1000

 % calc-image-resized-size 2592x1944 100x200
 100x75

 % calc-image-resized-size 2592x1944 100x100
 100x75

 % calc-image-resized-size 2592x1944 10000x5000^
 10000x7500

 % calc-image-resized-size 2592x1944 5000x10000^
 13333x10000

 % calc-image-resized-size 2592x1944 100x100^
 2592x1944

 % calc-image-resized-size 2592x1944 100x100!
 100x100

 % calc-image-resized-size 2592x1944 '10000x5000>'
 2592x1944

 % calc-image-resized-size 2592x1944 '5000x10000>'
 2592x1944

 % calc-image-resized-size 2592x1944 '3000x1000>'
 2592x1944

 % calc-image-resized-size 2592x1944 '2000x1000>'
 1333x1000

 % calc-image-resized-size 2592x1944 '100x100>'
 100x75

 % calc-image-resized-size 2592x1944 '10000x5000<'
 10000x7500

 % calc-image-resized-size 2592x1944 '5000x10000<'
 13333x10000

 % calc-image-resized-size 2592x1944 '3000x1000<'
 2592x1944

 % calc-image-resized-size 2592x1944 '2000x1000<'
 2592x1944

 % calc-image-resized-size 2592x1944 '100x100<'
 2592x1944

 % calc-image-resized-size 2592x1944 '1024^>'
 1365x1024

 % calc-image-resized-size 2592x1944 '10240^>'
 2592x1944

 % calc-image-resized-size 2592x1944 '1024^<'
 2592x1944

 % calc-image-resized-size 2592x1944 '10240^<'
 13653x10240

 % calc-image-resized-size 2592x1944 '^1024>'
 1024x768

 % calc-image-resized-size 2592x1944 '^10240>'
 2592x1944

 % calc-image-resized-size 2592x1944 '^1024<'
 2592x1944

 % calc-image-resized-size 2592x1944 '^10240<'
 10240x7680

=head1 HOMEPAGE

Please visit the project's homepage at L<https://metacpan.org/release/App-ImageMagickUtils>.

=head1 SOURCE

Source repository is at L<https://github.com/perlancar/perl-App-ImageMagickUtils>.

=head1 SEE ALSO

L<imgsize>.

=head1 AUTHOR

perlancar <perlancar@cpan.org>

=head1 CONTRIBUTING


To contribute, you can send patches by email/via RT, or send pull requests on
GitHub.

Most of the time, you don't need to build the distribution yourself. You can
simply modify the code, then test via:

 % prove -l

If you want to build the distribution (e.g. to try to install it locally on your
system), you can install L<Dist::Zilla>,
L<Dist::Zilla::PluginBundle::Author::PERLANCAR>, and sometimes one or two other
Dist::Zilla plugin and/or Pod::Weaver::Plugin. Any additional steps required
beyond that are considered a bug and can be reported to me.

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2022, 2020 by perlancar <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.

=head1 BUGS

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

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.

=cut
