Fix division by zero in Rgb toCmyk method

Bacon · Apr 18, 2024 · fc5e9d3 · fc5e9d3
1 parent b0105c7
commit fc5e9d3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Renderer/Color/Rgb.php b/src/Renderer/Color/Rgb.php
@@ -54,6 +54,10 @@ public function toCmyk() : Cmyk
         $y = 1 - ($this->blue / 255);
         $k = min($c, $m, $y);
 
+        if ($k === 0) {
+            return new Cmyk(0, 0, 0, 0);
+        }
+
         return new Cmyk(
             (int) (100 * ($c - $k) / (1 - $k)),
             (int) (100 * ($m - $k) / (1 - $k)),