CODE - SGI +

/////////////////////////////////////////////////////////////////////////////////////
/*
SGI Image
*/
typedef struct sgi_Image {
  SDL_Texture *Tex;
  int w, h;
  void (*Boundary)(struct sgi_Image *self, int *w, int *h);
  void (*Draw)(struct sgi_Image *simg, int x, int y, float angle);
  void (*Destroy)(struct sgi_Image *self);
} sgi_Image;

static void _sgi_image_destroy(sgi_Image *simg) {
  if (simg != NULL) {
    SDL_DestroyTexture(simg->Tex);
    free(simg);
    simg = NULL;
  }
}
static void _boundary(sgi_Image *simg, int *w, int *h) {
  *w = simg->w;
  *h = simg->h;
}
static void _draw(sgi_Image *simg, int x, int y, float angle) {
  SDL_Rect src = {0, 0, simg->w, simg->h};
  SDL_Rect dest = {x - simg->w / 2, y - simg->h / 2, simg->w, simg->h};
  SDL_RenderCopyEx(sgi.Renderer, simg->Tex, &src, &dest, angle, NULL,
                   SDL_FLIP_NONE);
}
sgi_Image *NewSgiImage(char *filename) {
  sgi_Image *simg = (sgi_Image *)malloc(sizeof(sgi_Image));
  SDL_Surface *surface = SDL_LoadBMP(filename);
  if (!surface) {
    return NULL;
  }
  SDL_SetColorKey(surface, SDL_TRUE, 0);
  simg->w = surface->w;
  simg->h = surface->h;
  simg->Tex = SDL_CreateTextureFromSurface(sgi.Renderer, surface);
  SDL_FreeSurface(surface);
  SDL_SetTextureBlendMode(simg->Tex, SDL_BLENDMODE_BLEND);
  simg->Boundary = &_boundary;
  simg->Draw = &_draw;
  simg->Destroy = &_sgi_image_destroy;
  return simg;
}

sgi_Image *mvr = NewSgiImage("beams.bmp");
mvr->Draw(mvr, (int)mvs[i]->location.x, (int)mvs[i]->location.y,(float)i * 18);