Usage: drawsplines in.pgm vect.txt out.pgm
Description: The file vect.txt contains a list of splines under the format:
nb_splines
nb_points_spline_1 x11 y11 x12 y12 ...
nb_points_spline_2 x21 y21 x22 y22 ...
nb_points_spline_3 x31 y31 x32 y32 ...
...
Types supported: byte 2D
Category: draw geo