掌機 - Nintendo 3DS - C/C++ - SDL v1.2 - Open Font

參考資訊：
https://libctru.devkitpro.org/index.html
https://github.com/devkitPro/3ds-examples

main.c

#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <SDL_ttf.h>
  
int main(void)
{
    char buf[255] = { 0 };
    SDL_Surface *screen = NULL;

    SDL_Init(SDL_INIT_VIDEO);
    screen = SDL_SetVideoMode(400, 240, 16, SDL_HWSURFACE);
    TTF_Init();
    TTF_Font *font = TTF_OpenFont("sdmc:/3ds/font.ttf", 30);
    SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format, 0x00, 0x00, 0x00));

    int w = 0;
    int h = 0;
    SDL_Color col = { 0, 255, 0 };
    SDL_Rect rt = { 0, 100, 0, 0 };
    const char *cc = "3DS Testing";

    TTF_SizeUTF8(font, cc, &w, &h);
    rt.x = (400 - w) / 2;
    SDL_Surface *msg = TTF_RenderUTF8_Solid(font, cc, col);
    SDL_BlitSurface(msg, NULL, screen, &rt);
    SDL_Flip(screen);
    SDL_FreeSurface(msg);
    SDL_Delay(3000);

    TTF_CloseFont(font);
    TTF_Quit();
    SDL_Quit();
    return 0;
}

完成