| /***************************************************************************** |
| * |
| * mtdev - Multitouch Protocol Translation Library (MIT license) |
| * |
| * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (C) 2010 Canonical Ltd. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| ****************************************************************************/ |
| |
| #ifndef MATCHER_H |
| #define MATCHER_H |
| |
| /** |
| * Special implementation of the hungarian algorithm. |
| * The maximum number of fingers matches a uint32. |
| * Bitmasks are used extensively. |
| */ |
| |
| #include "common.h" |
| |
| void mtdev_match(int index[DIM_FINGER], int A[DIM2_FINGER], |
| int nrow, int ncol); |
| |
| struct trk_coord { |
| int x; |
| int y; |
| }; |
| |
| const unsigned char *mtdev_match_four(const struct trk_coord *old, int nslot, |
| const struct trk_coord *pos, int npos); |
| |
| #endif |