Fix second function

vmcj · vmcj · commit 8b451089a1be · 2025-08-09T15:43:49.000+02:00
We now also read the alpha channel when needed.
diff --git a/webapp/src/Utils/Utils.php b/webapp/src/Utils/Utils.php
@@ -375,7 +375,11 @@ public static function componentToHex(int $component): string
      */
     public static function rgbToHex(array $color): string
     {
-        return "#" . static::componentToHex($color[0]) . static::componentToHex($color[1]) . static::componentToHex($color[2]);
+        $result = "#";
+        for (int $i=0; $i<count($color); $i++) {
+            $result += static::componentToHex($color[$i]);
+        }
+        return $result;
     }
 
     public static function relativeLuminance(string $rgb): float

Original file line number	Diff line number	Diff line change
`@@ -375,7 +375,11 @@ public static function componentToHex(int $component): string`
`375`	`375`	`*/`
`376`	`376`	`public static function rgbToHex(array $color): string`
`377`	`377`	`{`
`378`		`- return "#" . static::componentToHex($color[0]) . static::componentToHex($color[1]) . static::componentToHex($color[2]);`
	`378`	`+ $result = "#";`
	`379`	`+ for (int $i=0; $i<count($color); $i++) {`
	`380`	`+ $result += static::componentToHex($color[$i]);`
	`381`	`+ }`
	`382`	`+ return $result;`
`379`	`383`	`}`
`380`	`384`
`381`	`385`	`public static function relativeLuminance(string $rgb): float`