A quick and dirty SDL_Renderer wrapper for the awesome vertext library by Kevin Chin, which is required. It allows the vertetx objects to be rendered by SDL_Renderer as geometry. It only supports Screen Space coordinates.
This library ALSO REQUIRES Sean Barrett's stb_truetype.h library (which is also a single header). Include like so:
#define STB_TRUETYPE_IMPLEMENTATION
#include "stb_truetype.h"
#define VERTEXT_IMPLEMENTATION
#include "vertext.h"
#define SDL_VTXT_IMPLEMENTATION
#include "SDL_VTXT.h"
See example.c file for more details. This example includes the Sweet16 and Open Sans fonts.
Public domain.