Started working on figuring out how to properly support full screen and

high DPI

include/Window.h

@@ -5,20 +5,26 @@
 #include "SDL.h"
 #include "SDL_pixels.h"
 #include <stdbool.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif // !__cplusplus
 
+typedef struct window_size {
+  int32_t width;
+  int32_t height;
+} WindowSize;
+
 typedef struct window {
-  int width;
-  int height;
+  WindowSize defined_size;
+  WindowSize drawable_size;
   Renderer *renderer;
   SDL_Window *SDL_base_window;
   SDL_Color background_color;
 } Window;
 
-bool init_window(Window *wnd, const char *title, int width, int height,
+bool init_window(Window *wnd, const char *title, WindowSize size,
                  SDL_Color color, bool full_screen);
 void clear_window(const Window *wnd);
 void swap_render_buffers(const Window *wnd);