1 /* despeckle.h: Bitmap despeckler for AutoTrace 2 3 Copyright (C) 2001 David A. Bartold 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public License 7 as published by the Free Software Foundation; either version 2.1 of 8 the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 18 USA. */ 19 20 #ifndef DESPECKLE_H 21 #define DESPECKLE_H 22 23 #include "types.h" 24 #include "bitmap.h" 25 #include "exception.h" 26 27 /* Despeckle - Despeckle a 8 or 24 bit image 28 * 29 * Input Parameters: 30 * Adaptive feature coalescing value and the despeckling level 31 * 32 * Despeckling level: Integer from 0 to ~20 33 * 0 = perform no despeckling 34 * An increase of the despeckling level by one doubles the size of features 35 * 36 * Feature coalescing: 37 * 0 = Turn it off (whites may turn black and vice versa, etc) 38 * 3 = Good middle value 39 * 8 = Really tight 40 * 41 * Modified Parameters: 42 * The bitmap is despeckled 43 */ 44 45 extern void 46 despeckle (bitmap_type *bitmap, int level, at_real tightness, at_exception_type * exp); 47 48 #endif /* not DESPECKLE_H */ 49