From d07c43f9f19dc0ee38aaf44947cfc396f437490e Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Tue, 3 Aug 2010 15:01:50 +0200 Subject: Introduce zoom, rotate and combo gestures Introduce grail_mask bit functions, and add new gestures as separate functions, referring to the same move model. Signed-off-by: Henrik Rydberg --- src/grail-gestures.h | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 src/grail-gestures.h (limited to 'src/grail-gestures.h') diff --git a/src/grail-gestures.h b/src/grail-gestures.h new file mode 100644 index 0000000..70a5a98 --- /dev/null +++ b/src/grail-gestures.h @@ -0,0 +1,85 @@ +/***************************************************************************** + * + * 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 . + * + * Authors: + * Henrik Rydberg + * + ****************************************************************************/ + +#ifndef _GRAIL_GESTURES_H +#define _GRAIL_GESTURES_H + +#include "grail-inserter.h" + +struct move_model { + float xfuzz, yfuzz, rfuzz, afuzz; + float xbar, ybar, rbar, abar; + float x, y, r, a; + int ntouch; +}; + +void gru_init_motion(struct grail *ge, + const struct touch_dev_caps *caps); +void gru_reset_motion(struct grail *ge, + const struct touch_frame *frame); +void gru_compute_motion(struct grail *ge, + const struct touch_frame *frame); + +struct scroll_model { + float x, y; + int active, moving, geslot; +}; + +void gru_reset_scroll(struct grail *ge, + const struct touch_frame *frame); +int gru_scroll(struct grail *ge, + const struct touch_frame *frame); + +struct zoom_model { + float r; + int active, zooming, geslot; +}; + +void gru_reset_zoom(struct grail *ge, + const struct touch_frame *frame); +int gru_zoom(struct grail *ge, + const struct touch_frame *frame); + +struct rotate_model { + float a; + int active, rotating, geslot; +}; + +void gru_reset_rotate(struct grail *ge, + const struct touch_frame *frame); +int gru_rotate(struct grail *ge, + const struct touch_frame *frame); + +struct combo_model { + float x, y, r, a; + int active, running, geslot; +}; + +void gru_reset_combo(struct grail *ge, + const struct touch_frame *frame); +int gru_combo(struct grail *ge, + const struct touch_frame *frame); + +#endif + -- cgit v1.2.3