Honour format passed in parameters (src="image-reference?format=png")

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45088 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5OOo/transforms/oood_commandtransform.py

@@ -124,6 +124,7 @@ class OOOdCommandTransform(commandtransform):
                                      'mimetypes_registry').lookup(content_type)
 
           format = image_parameter_dict.pop('format', None)
+          if not format:
             for mimetype_object in mimetype_list:
               if mimetype_object.extensions:
                 format = mimetype_object.extensions[0]
@@ -134,7 +135,7 @@ class OOOdCommandTransform(commandtransform):
           if getattr(image, 'meta_type', None) == 'ERP5 Image':
             #ERP5 API
             # resize image according parameters
-            mime, image_data = image.convert(None, **image_parameter_dict)
+            mime, image_data = image.convert(format, **image_parameter_dict)
             image = OFSImage(image.getId(), image.getTitle(), image_data)
 
           # image should be OFSImage