/* Call im_cntlines via arg vector. */ static int cntlines_vec( im_object *argv ) { double *out = (double *) argv[1]; int dir = *((int *) argv[2]); return( im_cntlines( argv[0], out, dir ) ); }
static VALUE img_cntlines(VALUE obj, int flag) { double nolines; GetImg(obj, data, im); if (im_cntlines(im, &nolines, flag)) vips_lib_error(); return DBL2NUM(nolines); }