48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* This file is part of MultiROM.
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*
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* MultiROM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* MultiROM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultiROM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TOUCH_TRACKER_H
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#define TOUCH_TRACKER_H
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#include <sys/time.h>
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#include <time.h>
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#include "input.h"
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#define TRACKER_X 0
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#define TRACKER_Y 1
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typedef struct
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{
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struct timeval time_start;
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int64_t period;
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int distance_x, distance_y;
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int distance_abs_x, distance_abs_y;
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int last_x, last_y;
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int prev_x, prev_y;
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int start_x, start_y;
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} touch_tracker;
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touch_tracker *touch_tracker_create(void);
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void touch_tracker_destroy(touch_tracker *t);
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void touch_tracker_start(touch_tracker *t, touch_event *ev);
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void touch_tracker_finish(touch_tracker *t, touch_event *ev);
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void touch_tracker_add(touch_tracker *t, touch_event *ev);
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float touch_tracker_get_velocity(touch_tracker *t, int axis);
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float touch_tracker_get_velocity_abs(touch_tracker *t, int axis);
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#endif
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