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/*****************************************************************************
*
* grail - Gesture Recognition And Instantiation Library
*
* Copyright (C) 2010 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Henrik Rydberg <rydberg@bitmath.org>
*
****************************************************************************/
#ifndef _GRAIL_GESTURES_H
#define _GRAIL_GESTURES_H
#include "grail-inserter.h"
struct filter_model {
float delta, val, orig, fuzz, bar;
int tickle, active;
};
struct move_model {
struct filter_model x, y, r, a;
int motion, nactive, ntouch;
float dx, dy, dr, da;
grail_time_t time;
};
void gru_init_motion(struct grail *ge,
const struct touch_dev_caps *caps);
void gru_motion(struct grail *ge,
const struct touch_frame *frame);
void gru_event(struct grail *ge, int gid,
const struct move_model *move,
const grail_prop_t *prop, int nprop);
struct combo_model {
int active, gid;
};
int gru_pan(struct grail *ge,
const struct touch_frame *frame);
int gru_pinch(struct grail *ge,
const struct touch_frame *frame);
int gru_rotate(struct grail *ge,
const struct touch_frame *frame);
int gru_combo(struct grail *ge,
const struct touch_frame *frame);
struct tapping_model {
grail_time_t start;
int status, ntouch;
int active, gid;
};
int gru_tapping(struct grail *ge,
const struct touch_frame *frame);
#endif
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