+\r
+ void clear_blend_mode(int index)\r
+ {\r
+ executor_.begin_invoke([=]\r
+ {\r
+ blend_modes_.erase(index);\r
+ }, high_priority);\r
+ }\r
+\r
+ void clear_blend_modes()\r
+ {\r
+ executor_.begin_invoke([=]\r
+ {\r
+ blend_modes_.clear();\r
+ }, high_priority);\r
+ }\r