/*  call-seq:
 *    descent  ->  Integer
 *
 *  Return the biggest descent (baseline to bottom; in pixels) of all glyphs in
 *  the font.
 */
VALUE rbgm_ttf_descent(VALUE self)
{
        TTF_Font *font;
        Data_Get_Struct(self,TTF_Font,font);
        return INT2NUM(TTF_FontDescent(font));
}