include/filters/GP_EdgeDetection.h

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2013 Cyril Hrubis <metan@ucw.cz>                       *
  20  *                                                                           *
  21  *****************************************************************************/
  22
  23 #ifndef FILTERS_GP_EDGE_DETECTION_H
  24 #define FILTERS_GP_EDGE_DETECTION_H
  25
  26 #include "GP_Filter.h"
  27
  28 int GP_FilterEdgeSobel(const GP_Pixmap *src,
  29                        GP_Pixmap **E, GP_Pixmap **Phi,
  30                        GP_ProgressCallback *callback);
  31
  32 int GP_FilterEdgePrewitt(const GP_Pixmap *src,
  33                          GP_Pixmap **E, GP_Pixmap **Phi,
  34                          GP_ProgressCallback *callback);
  35
  36
  37 #endif /* FILTERS_GP_EDGE_DETECTION_H */