/***************************************************************************** * * grail - Gesture Recognition And Instantiation Library * * Copyright (C) 2010 Canonical Ltd. * Copyright (C) 2010 Henrik Rydberg * * 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 . * ****************************************************************************/ #include "grail-recognizer.h" #include #include #include int gru_init(struct grail *ge) { struct gesture_recognizer *gru; gru = calloc(1, sizeof(struct gesture_recognizer)); if (!gru) return -ENOMEM; ge->gru = gru; gru_init_motion(ge); return 0; } void gru_destroy(struct grail *ge) { free(ge->gru); ge->gru = NULL; } void gru_recognize(struct grail *ge, const struct touch_frame *frame) { if (!ge->gin || !ge->gru) return; gru_motion(ge, frame); gru_drag(ge, frame); gru_pinch(ge, frame); gru_rotate(ge, frame); gru_windrag(ge, frame); gru_winpinch(ge, frame); gru_winrotate(ge, frame); gru_tapping(ge, frame); ge->gru->frame = *frame; }