From: Lukas Reschke <lukas@statuscode.ch>
Date: Fri, 4 Aug 2017 13:38:56 +0000 (+0200)
Subject: Revert "[stable12] theming lightness correction"
X-Git-Tag: v12.0.1RC5^2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=refs%2Fpull%2F5983%2Fhead;p=nextcloud-server.git

Revert "[stable12] theming lightness correction"
---

diff --git a/apps/theming/lib/Util.php b/apps/theming/lib/Util.php
index e5fa90cb344..286756a4849 100644
--- a/apps/theming/lib/Util.php
+++ b/apps/theming/lib/Util.php
@@ -30,7 +30,6 @@ use OCP\Files\NotFoundException;
 use OCP\Files\SimpleFS\ISimpleFile;
 use OCP\IConfig;
 use OCP\Files\IRootFolder;
-use Leafo\ScssPhp\Compiler;
 
 class Util {
 
@@ -96,12 +95,10 @@ class Util {
 		if (strlen($hex) !== 6) {
 			return 0;
 		}
-		$red = hexdec(substr($hex, 0, 2));
-		$green = hexdec(substr($hex, 2, 2));
-		$blue = hexdec(substr($hex, 4, 2));
-		$compiler = new Compiler();
-		$hsl = $compiler->toHSL($red, $green, $blue);
-		return $hsl[3]/100;
+		$r = hexdec(substr($hex, 0, 2));
+		$g = hexdec(substr($hex, 2, 2));
+		$b = hexdec(substr($hex, 4, 2));
+		return (0.299 * $r + 0.587 * $g + 0.114 * $b)/255;
 	}
 
 	/**