Add checks for number of color channels

Author: olivervogel

src/Colors/Cmyk/Colorspace.php

@@ -40,6 +40,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): CmykColor
     {
+        if (!in_array(count($normalized), [4, 5])) {
+            throw new InvalidArgumentException('Number of color channels must be 4 or 5 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 4 ? array_pad($normalized, 5, 1) : $normalized;
 

src/Colors/Hsl/Colorspace.php

@@ -42,6 +42,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): HslColor
     {
+        if (!in_array(count($normalized), [3, 4])) {
+            throw new InvalidArgumentException('Number of color channels must be 3 or 4 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 3 ? array_pad($normalized, 4, 1) : $normalized;
 

src/Colors/Hsv/Colorspace.php

@@ -42,6 +42,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): HsvColor
     {
+        if (!in_array(count($normalized), [3, 4])) {
+            throw new InvalidArgumentException('Number of color channels must be 3 or 4 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 3 ? array_pad($normalized, 4, 1) : $normalized;
 

src/Colors/Oklab/Colorspace.php

@@ -41,6 +41,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): OklabColor
     {
+        if (!in_array(count($normalized), [3, 4])) {
+            throw new InvalidArgumentException('Number of color channels must be 3 or 4 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 3 ? array_pad($normalized, 4, 1) : $normalized;
 

src/Colors/Oklch/Colorspace.php

@@ -44,6 +44,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): OklchColor
     {
+        if (!in_array(count($normalized), [3, 4])) {
+            throw new InvalidArgumentException('Number of color channels must be 3 or 4 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 3 ? array_pad($normalized, 4, 1) : $normalized;
 

src/Colors/Rgb/Colorspace.php

@@ -43,6 +43,10 @@ class Colorspace implements ColorspaceInterface
      */
     public static function colorFromNormalized(array $normalized): RgbColor
     {
+        if (!in_array(count($normalized), [3, 4])) {
+            throw new InvalidArgumentException('Number of color channels must be 3 or 4 for ' . static::class);
+        }
+
         // add alpha value if missing
         $normalized = count($normalized) === 3 ? array_pad($normalized, 4, 1) : $normalized;