renderer interface

src/renderer.h

@@ -0,0 +1,17 @@
+#include <SDL2/SDL_surface.h>
+
+typedef int RenderItem_t;
+
+typedef struct RenderObject {
+    int x,y,z;
+    SDL_Surface * surface;
+} RenderObject_t;
+
+typedef struct MonitorSize {
+    int width, height;
+} MonitorSize_t;
+
+RenderItem_t renderer_renderObject(RenderObject_t *);
+void renderer_removeObject(RenderItem_t);
+
+MonitorSize_t renderer_getMonitorSize();