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/*****************************************************************************
*
* grail - Gesture Recognition And Instantiation Library
*
* Copyright (C) 2010 Canonical Ltd.
* Copyright (C) 2010 Henrik Rydberg <rydberg@bitmath.org>
*
* 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/>.
*
****************************************************************************/
#ifndef _GRAIL_IMPL_H
#define _GRAIL_IMPL_H
#define MTDEV_NO_LEGACY_API
#define GRAIL_NO_LEGACY_API
#include <grail.h>
#include <utouch/frame-mtdev.h>
#include "evbuf.h"
#include "grailbuf.h"
#define DIM_TOUCH 32
#define DIM_TOUCH_BYTES ((DIM_TOUCH + 7) >> 3)
#define GRAIL_ID_MAX 0xffff
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
typedef void *grail_select_callback;
/*
* In this implementation, there can be N one-gestures, N (N - 1) / 2
* two-gestures, and one global gesture.
*/
static inline int get_slot_count(int n)
{
return n + n * (n - 1) / 2 + 1;
}
int create_grail2(struct grail_impl *x,
utouch_frame_handle fh,
unsigned int num_frames,
void *select,
unsigned int version,
unsigned int control_size,
unsigned int frame_size,
unsigned int slot_size);
void destroy_grail2(struct grail_impl *x);
struct grail_impl {
struct evemu_device *evemu;
struct mtdev *mtdev;
utouch_frame_handle fh;
const struct utouch_frame *touch;
struct evbuf evbuf;
struct grailbuf gbuf;
int filter_abs;
int ongoing;
int gesture;
FILE *fptest;
/* new stuff below */
struct grail_control *ctl;
grail_select_callback select;
int num_frames;
int num_slots;
int num_touches;
int nextframe;
int seqid;
unsigned int control_size;
unsigned int frame_size;
unsigned int slot_size;
struct grail_frame **frames;
};
#endif
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