feat design 无色模式

fix

app/service/design_fast/pipeline/color.py

@@ -14,11 +14,18 @@ class Color:
 
     def __call__(self, result):
         dim_image_h, dim_image_w = result['image'].shape[0:2]
+        # 渐变色
         if "gradient" in result.keys() and result['gradient'] != "":
             bucket_name = result['gradient'].split('/')[0]
             object_name = result['gradient'][result['gradient'].find('/') + 1:]
             pattern = self.get_gradient(bucket_name=bucket_name, object_name=object_name)
             resize_pattern = cv2.resize(pattern, (dim_image_w, dim_image_h), interpolation=cv2.INTER_AREA)
+        # 无色
+        elif "color" not in result.keys() or result['color'] == "":
+            result['final_image'] = result['pattern_image'] = result['single_image'] = result['image']
+            result['alpha'] = 100 / 255.0
+            return result
+        # 正常颜色
         else:
             pattern = self.get_pattern(result['color'])
             resize_pattern = cv2.resize(pattern, (dim_image_w, dim_image_h), interpolation=cv2.INTER_AREA)