gesture_two_finger_double_tap_t

Updated: May 06, 2022

The two-finger double tap gesture data type

Synopsis:

#include <gestures/two_finger_double_tap.h>
typedef struct gesture_two_finger_double_tap_t {
    gesture_base_t base;
    two_finger_double_tap_params_t params;
    gesture_coords_t first_touch[2];
    gesture_coords_t first_release[2];
    gesture_coords_t second_touch[2];
    gesture_coords_t second_release[2];
    gesture_coords_t centroid;
    gesture_coords_t last_centroid;
    two_finger_double_tap_state_e dt_state;
    int fail_timer;
    unsigned down_count;
} gesture_two_finger_double_tap_t;

Data:

gesture_base_t base
The gesture base data structure.
two_finger_double_tap_params_t params
The two-finger double tap parameters.
gesture_coords_t first_touch[2]
The coordinates of the first touch.
gesture_coords_t first_release[2]
The coordinates of the first release.
gesture_coords_t second_touch[2]
The coordinates of the second touch.
gesture_coords_t second_release[2]
The coordinates of the second release.
gesture_coords_t centroid
The coordintes of the midpoint between the two touches.
gesture_coords_t last_centroid
The coordintes of the midpoint between the previous two touches.
two_finger_double_tap_state_e dt_state
The intermediate state of the two-finger double tap.
int fail_timer
The ID of the timer for this gesture.
unsigned down_count
The number of fingers that are simultaneously in contact with the touch device.

Library:

libgestures

Description:

This structure carries data about the two-finger double tap gesture.