1 files changed, 7 insertions, 0 deletions

@@ -3,6 +3,7 @@
 
 #include <Magick++.h>
 
+#include <functional>
 #include <random>
 #include <string>
 
@@ -11,9 +12,13 @@
 
 class wizard {
  public:
+  using status_callback_type = std::function<void(const std::string& status)>;
+
   wizard(const cardset& cards, const imagestore& images, std::string text,
          std::mt19937& rng);
 
+  void set_status_callback(status_callback_type callback);
+
   Magick::Image run();
 
  private:
@@ -22,6 +27,8 @@ class wizard {
   std::string text_;
 
   std::mt19937 rng_;
+
+  status_callback_type status_callback_;
 };
 
 #endif /* end of include guard: WIZARD_H_1014B13E */