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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_TOUCH_H
#define _GRAIL_TOUCH_H
#include <mtdev.h>
enum touch_prop_list {
TP_POS_X,
TP_POS_Y,
TP_TOUCH_MAJOR,
TP_TOUCH_MINOR,
TP_WIDTH_MAJOR,
TP_WIDTH_MINOR,
TP_ORIENTATION,
TP_PRESSURE,
DIM_TOUCH_PROP
};
typedef int touch_prop_t;
typedef unsigned touch_prop_mask_t;
struct touch {
int active;
int slot;
int next;
touch_prop_t prop[DIM_TOUCH_PROP];
};
static inline int has_prop(const touch_prop_mask_t *mask, int code)
{
return (mask[code >> 5] >> (code & 31)) & 1;
}
#endif
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