Function loadFont

deps/SDL2/Xcode-iOS/Demos/src/keyboard.c:163–196

this function loads our font into an SDL_Texture and returns the SDL_Texture */

/* this function loads our font into an SDL_Texture and returns the SDL_Texture  */
SDL_Texture*
loadFont(void)
{
    SDL_Surface *surface = SDL_LoadBMP("kromasky_16x16.bmp");

    if (!surface) {
        printf("Error loading bitmap: %s\n", SDL_GetError());
        return 0;
    } else {
        /* set the transparent color for the bitmap font (hot pink) */
        SDL_SetColorKey(surface, 1, SDL_MapRGB(surface->format, 238, 0, 252));
        /* now we convert the surface to our desired pixel format */
        int format = SDL_PIXELFORMAT_ABGR8888;  /* desired texture format */
        Uint32 Rmask, Gmask, Bmask, Amask;      /* masks for desired format */
        int bpp;                /* bits per pixel for desired format */
        SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask,
                                   &Amask);
        SDL_Surface *converted =
            SDL_CreateRGBSurface(0, surface->w, surface->h, bpp, Rmask, Gmask,
                                 Bmask, Amask);
        SDL_BlitSurface(surface, NULL, converted, NULL);
        /* create our texture */
        texture = SDL_CreateTextureFromSurface(renderer, converted);
        if (texture == 0) {
            printf("texture creation failed: %s\n", SDL_GetError());
        } else {
            /* set blend mode for our texture */
            SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
        }
        SDL_FreeSurface(surface);
        SDL_FreeSurface(converted);
        return texture;
    }
}

void
draw()