/*  call-seq:
 *    size  ->  [w,h]
 *
 *  Return the surface's width and height (in pixels) in an Array.
 */
VALUE rbgm_surface_get_size(VALUE self)
{
        SDL_Surface *surf;
        Data_Get_Struct(self, SDL_Surface, surf);
        return rb_ary_new3( 2, INT2NUM(surf->w), INT2NUM(surf->h) );
}