zeroclickinfo-goodies/lib/DDG/Goodie/AspectRatio.pm

40 lines
1.1 KiB
Perl

package DDG::Goodie::AspectRatio;
# ABSTRACT: Calculates aspect ratio based on previously defined one
use DDG::Goodie;
triggers start => "aspect ratio";
zci is_cached => 1;
zci answer_type => "aspect_ratio";
primary_example_queries 'aspect ratio 4:3 640:?';
description 'complete the missing value with a given ratio';
name 'AspectRatio';
code_url 'https://github.com/duckduckgo/zeroclickinfo-goodies/blob/master/lib/DDG/Goodie/AspectRatio.pm';
category 'calculations';
topics 'math';
attribution github => [ 'https://github.com/mrshu', 'mrshu' ],
twitter => [ 'https://twitter.com/mr__shu', 'mr__shu' ];
handle remainder => sub {
my $input = $_;
my $result = 0;
my $ratio = 0;
if ($input =~ /^(\d+(?:\.\d+)?)\s*\:\s*(\d+(?:\.\d+)?)\s*(?:(?:(\?)\s*:\s*(\d+(?:\.\d+)?))|(?:(\d+(?:\.\d+)?)\s*:\s*(\?)))$/){
$ratio = $1 / $2;
if ($6 && $6 eq "?") {
$result = $5 / $ratio;
return "Aspect ratio: $5:$result ($1:$2)";
} elsif ($3 && $3 eq "?") {
$result = $4 * $ratio;
return "Aspect ratio: $result:$4 ($1:$2)";
}
}
return;
};
1;