* flower/include/axis.hh: rename from axes.hh

[lilypond.git] / flower / include / axis.hh

diff --git a/flower/include/axis.hh b/flower/include/axis.hh
new file mode 100644 (file)
index 0000000..bafd572
--- /dev/null
+++ b/flower/include/axis.hh
@@ -0,0 +1,37 @@
+/*
+  axes.hh -- declare Axis
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+#ifndef AXES_HH
+#define AXES_HH
+
+#include <cassert>
+
+enum Axis
+  {
+    X_AXIS = 0,
+    Y_AXIS = 1,
+    NO_AXES = 2,
+  };
+
+static inline
+Axis
+incr (Axis &a)
+{
+  assert (a < NO_AXES);
+  a = Axis (int (a) + 1);
+  return a;
+}
+
+static inline
+Axis
+other_axis (Axis a)
+{
+  return a == Y_AXIS ? X_AXIS : Y_AXIS;
+}
+
+#endif // AXES_HH