Load GUI from XML

ImageProvider.hh

@@ -0,0 +1,28 @@
+#ifndef __OPENGLPLAYGROUND_IMAGEPROVIDER_HH__
+#define __OPENGLPLAYGROUND_IMAGEPROVIDER_HH__
+
+#include <memory>
+#include <unordered_map>
+#include <string>
+#include <mutex>
+
+#include <SDL2/SDL.h>
+
+#include "common.hh"
+#include "Singleton.hh"
+
+class ImageProvider : public Singleton<ImageProvider> {
+private:
+  ImageProvider();
+  friend class Singleton<ImageProvider>;
+
+public:
+  SDL_Surface* getImage(std::string const& name);
+
+  void cleanup();
+  
+private:
+  std::unordered_map<std::string, SDLSurfaceUPtr> imageCache_;
+};
+
+#endif