implement simple stroke undo based on actions history

2017-04-16 01:57:54 +02:00
parent 357f37e3d0
commit 28fe61704f
10 changed files with 95 additions and 9 deletions
--- a/engine/pch.h
+++ b/engine/pch.h
@@ -46,6 +46,7 @@
 #include <stack>
 #include <regex>
 #include <mutex>
+#include <queue>
 #include <memory>
 #include <string>
 #include <vector>