From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sat, 7 Nov 2015 22:13:55 +0000 (+0100)
Subject: termcol: rgb table columns from dark to light
X-Git-Tag: v1.9~61
X-Git-Url: http://git.shiar.nl/sheet.git/commitdiff_plain/d59162b2f180b322e6b4f245b44255d3fa9cf724

termcol: rgb table columns from dark to light
---

diff --git a/termcol.plp b/termcol.plp
index 8d707ec..6cc6fea 100644
--- a/termcol.plp
+++ b/termcol.plp
@@ -179,8 +179,9 @@ sub coltable_hsv {
 					}
 
 					$h = 1;  # greyscale hue
-					$s = 1;  # lowest saturation for other hues
-					$v = $s = $vmax if !$v;  # black at full saturation
+					$s = $smax - $v + 1;  # spread brightness over saturation groups
+					$v &&= $smax  # highest saturation
+						or $v = $s = 1;  # black at initial column
 				}
 
 				$h *= $hmax;
@@ -197,7 +198,7 @@ sub coltable_hsv {
 	my $huerow = $colmap[0][0]; # first {$_} map { @{$_} } @colmap;
 	for my $h (grep { $huerow->[$_] } 0 .. $#{$huerow}) {
 		$out .= '<tr>';
-		$out .= colcell(@$_) for map { $_->[$h] } map { @{$_} } @colmap;
+		$out .= colcell(@$_) for map { $_->[$h] } map { reverse @{$_} } @colmap;
 	}
 
 	if (@greymap) {