d2/exposure/exposure_boolean.h

   1 // Copyright 2004 David Hilvert <dhilvert@auricle.dyndns.org>,
   2 //                              <dhilvert@ugcs.caltech.edu>
   3
   4 /*  This file is part of the Anti-Lamenessing Engine.
   5
   6     The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 3 of the License, or
   9     (at your option) any later version.
  10
  11     The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with the Anti-Lamenessing Engine; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 /*
  22  * exposure_boolean.h: Boolean exposure properties.
  23  */
  24
  25 #ifndef __exposure_boolean_h__
  26 #define __exposure_boolean_h__
  27
  28 /*
  29  * Boolean exposure.
  30  */
  31
  32 class exposure_boolean : public exposure {
  33 public:
  34         pixel linearize(pixel input) const {
  35                 for (int k = 0; k < 3; k++)
  36                         input[k] = (input[k] == 0) ? 0 : 1;
  37                 return input;
  38         }
  39         pixel unlinearize(pixel input) const {
  40                 for (int k = 0; k < 3; k++)
  41                         input[k] = (input[k] == 0) ? 0 : 1;
  42                 return input;
  43         }
  44 };
  45
  46 #endif