Started adding an OpenGL gui for the pheromone map.

gui.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#ifndef GUI_HPP
+#define GUI_HPP
+
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Gl_Window.H>
+#include <FL/gl.h>
+
+#include <string>
+
+class GlGui : public Fl_Gl_Window {
+public:
+  GlGui(Fl_Window * parent, int x, int y, int w, int h, const char * l);
+
+protected:
+  virtual void draw();
+  virtual int handle(int);
+
+private:
+  Fl_Window * parent;
+  std::string title;
+  bool initialized;
+};
+
+#endif