int print_rgb_hatched_colour(drawing *dr, float r, float g, float b, int hatch)
{ return 0; }
void print_line_width(drawing *dr, int width) {}
int print_rgb_hatched_colour(drawing *dr, float r, float g, float b, int hatch)
{ return 0; }
void print_line_width(drawing *dr, int width) {}