staging some future refactoring, .h -> hpp, fix for rendering w/ audio

src/anm2/info.hpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <string>
+#include <tinyxml2/tinyxml2.h>
+
+namespace anm2ed::anm2
+{
+  constexpr auto FPS_MIN = 1;
+  constexpr auto FPS_MAX = 120;
+
+  class Info
+  {
+  public:
+    std::string createdBy{"robot"};
+    std::string createdOn{};
+    int fps = 30;
+    int version{};
+
+    Info() = default;
+    Info(tinyxml2::XMLElement*);
+    tinyxml2::XMLElement* to_element(tinyxml2::XMLDocument& document);
+    void serialize(tinyxml2::XMLDocument&, tinyxml2::XMLElement*);
+    std::string to_string();
+  };
+}