flower/axis.cc

   1 /*
   2   axis.cc -- implement Axis
   3
   4
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <assert.h>
  10 #include "axes.hh"
  11 #include "string.hh"
  12
  13 String
  14 axis_name_string (Axis a)
  15 {
  16   return to_string (char (a + 'x'));
  17 }
  18
  19
  20 Axis
  21 other_axis (Axis a)
  22 {
  23   return a ==  Y_AXIS ? X_AXIS : Y_AXIS;
  24 }
  25
  26 /*
  27   TODO inline these.
  28  */
  29 Axis
  30 post_incr (Axis &a)
  31 {
  32   assert (a < NO_AXES);
  33   Axis b= a;
  34   a = Axis (int (a) + 1);
  35   return b;
  36 }
  37
  38 Axis
  39 incr (Axis &a)
  40 {
  41   assert (a < NO_AXES);
  42   a = Axis (int (a) + 1);
  43   return a;
  44 }
  45