Issue #3026254 by amoebanath, Steven Jones: Kraken: Support WebP option

modules/kraken/plugins/ImageAPIOptimizeProcessorKraken.inc

@@ -5,6 +5,7 @@ class ImageAPIOptimizeProcessorKraken implements ImageAPIOptimizeProcessorConfig
   protected $api_key;
   protected $api_secret;
   protected $lossy = TRUE;
+  protected $webp = FALSE;
   protected $timeout = 30;
 
   /**
@@ -20,6 +21,9 @@ class ImageAPIOptimizeProcessorKraken implements ImageAPIOptimizeProcessorConfig
     if (isset($data['lossy'])) {
       $this->lossy = $data['lossy'];
     }
+    if (isset($data['webp'])) {
+      $this->webp = $data['webp'];
+    }
     if (isset($data['timeout'])) {
       $this->timeout = $data['timeout'];
     }
@@ -57,6 +61,12 @@ class ImageAPIOptimizeProcessorKraken implements ImageAPIOptimizeProcessorConfig
         '#default_value' => $this->lossy,
       );
 
+      $form['webp'] = array(
+        '#title' => t('Use webp format'),
+        '#type' => 'checkbox',
+        '#default_value' => $this->webp,
+      );
+
       $form['timeout'] = array(
         '#title' => t('Timeout (in seconds)'),
         '#type' => 'textfield',
@@ -90,6 +100,13 @@ class ImageAPIOptimizeProcessorKraken implements ImageAPIOptimizeProcessorConfig
     return $this->lossy;
   }
 
+  /**
+   * @return boolean
+   */
+  public function isWebp() {
+    return $this->webp;
+  }
+
   /**
    * @return int
    */
@@ -151,6 +168,7 @@ class ImageAPIOptimizeProcessorKraken implements ImageAPIOptimizeProcessorConfig
         'file' => $real_path,
         'wait' => TRUE,
         'lossy' => (bool) $this->isLossy(),
+        'webp' => (bool) $this->isWebp(),
       );
 
       // Send the request to Kraken.