gtk2_ardour/midi_util.h

   1 /*
   2     Copyright (C) 2007 Paul Davis
   3     Author: David Robillard
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #ifndef __gtk_ardour_midi_util_h__
  21 #define __gtk_ardour_midi_util_h__
  22
  23 inline static void clamp_to_0_127(uint8_t &val)
  24 {
  25         if ((127 < val) && (val < 192)) {
  26                 val = 127;
  27         } else if ((192 <= val) && (val < 255)) {
  28                 val = 0;
  29         }
  30 }
  31
  32 #endif /* __gtk_ardour_midi_util_h__ */
  33