1 /***************************************************************************** 2 * 3 * mtdev - Multitouch Protocol Translation Library (MIT license) 4 * 5 * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se> 6 * Copyright (C) 2010 Canonical Ltd. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25 * DEALINGS IN THE SOFTWARE. 26 * 27 ****************************************************************************/ 28 29 #ifndef MATCHER_H 30 #define MATCHER_H 31 32 /** 33 * Special implementation of the hungarian algorithm. 34 * The maximum number of fingers matches a uint32. 35 * Bitmasks are used extensively. 36 */ 37 38 #include "common.h" 39 40 void mtdev_match(int index[DIM_FINGER], int A[DIM2_FINGER], 41 int nrow, int ncol); 42 43 struct trk_coord { 44 int x; 45 int y; 46 }; 47 48 const unsigned char *mtdev_match_four(const struct trk_coord *old, int nslot, 49 const struct trk_coord *pos, int npos); 50 51 #endif 52