Add webp support for source images

Author: alexantr

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2020 Alex Yashkin
+Copyright (c) 2015-2021 Alex Yashkin
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

src/Creator.php

@@ -51,7 +51,7 @@ class Creator
     /**
      * @var array allowed mime types
      */
-    public static $mimeTypes = array('image/gif', 'image/jpeg', 'image/png');
+    public static $mimeTypes = array('image/gif', 'image/jpeg', 'image/png', 'image/webp');
     /**
      * @var array allowed methods
      */
@@ -211,6 +211,7 @@ public static function create($webroot, $path)
         $is_jpeg = $mime_type == 'image/jpeg';
         $is_png = $mime_type == 'image/png';
         $is_gif = $mime_type == 'image/gif';
+        $is_webp = $mime_type == 'image/webp';
 
         if ($as_jpeg) {
             $as_png = false;
@@ -464,6 +465,12 @@ public static function create($webroot, $path)
             $im = imagecreatefromgif($orig_path);
         } elseif ($is_png) {
             $im = imagecreatefrompng($orig_path);
+        } elseif ($is_webp) {
+            if (function_exists('imagecreatefromwebp')) {
+                $im = imagecreatefromwebp($orig_path);
+            } else {
+                $im = false;
+            }
         } else {
             $im = imagecreatefromjpeg($orig_path);
         }