X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/d29916edd5f2af73164483662b5e49fdc6e3e697..1817da53c95ec932b3b5633649661ef1b17f0c55:/Shiar_Sheet/Colour.pm

diff --git a/Shiar_Sheet/Colour.pm b/Shiar_Sheet/Colour.pm
index cdac0b3..cf22f3e 100644
--- a/Shiar_Sheet/Colour.pm
+++ b/Shiar_Sheet/Colour.pm
@@ -4,7 +4,7 @@ use strict;
 use warnings;
 use List::Util qw( min max );
 
-our $VERSION = '1.03';
+our $VERSION = '1.04';
 
 # ITU-R recommendation 601 luma co-efficients
 our $kr = .299;
@@ -50,6 +50,12 @@ sub hue {
 	return $hue;
 }
 
+sub hsv {
+	my ($rgb) = @_;
+	my $v = max(@{$rgb});
+	return $rgb->hue, abs(min(@{$rgb}) - $v), $v;
+}
+
 sub rgb24 {
 	my $str = '';
 	$str .= sprintf '%X', min($_ / 17 + .5, 15) for @{ $_[0] };