X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=web%2Fcore%2Flib%2FDrupal%2FComponent%2FUtility%2FColor.php;fp=web%2Fcore%2Flib%2FDrupal%2FComponent%2FUtility%2FColor.php;h=e3cb56bc92691be5ab6d7426bd439c52e265ceb9;hp=aa296e94bece57f60a8366f42577822f7b5b0b0d;hb=af6d1fb995500ae68849458ee10d66abbdcfb252;hpb=680c79a86e3ed402f263faeac92e89fb6d9edcc0

diff --git a/web/core/lib/Drupal/Component/Utility/Color.php b/web/core/lib/Drupal/Component/Utility/Color.php
index aa296e94b..e3cb56bc9 100644
--- a/web/core/lib/Drupal/Component/Utility/Color.php
+++ b/web/core/lib/Drupal/Component/Utility/Color.php
@@ -94,4 +94,28 @@ class Color {
     return '#' . str_pad(dechex($out), 6, 0, STR_PAD_LEFT);
   }
 
+  /**
+   * Normalize the hex color length to 6 characters for comparison.
+   *
+   * @param string $hex
+   *   The hex color to normalize.
+   *
+   * @return string
+   *   The 6 character hex color.
+   */
+  public static function normalizeHexLength($hex) {
+    // Ignore '#' prefixes.
+    $hex = ltrim($hex, '#');
+
+    if (strlen($hex) === 3) {
+      $hex[5] = $hex[2];
+      $hex[4] = $hex[2];
+      $hex[3] = $hex[1];
+      $hex[2] = $hex[1];
+      $hex[1] = $hex[0];
+    }
+
+    return '#' . $hex;
+  }
+
 }