gesture_pinch_t

Updated: May 06, 2022

The pinch gesture data type

Synopsis:

#include <gestures/>
typedef struct gesture_pinch_t {
    gesture_base_t base;
    pinch_params_t params;
    gesture_coords_t coords[2];
    gesture_coords_t centroid;
    gesture_coords_t last_centroid;
    gesture_coords_t distance;
    gesture_coords_t last_distance;
} gesture_pinch_t;

Data:

gesture_base_t base
The gesture base data structure.
pinch_params_t params
The swipe parameters.
gesture_coords_t coords[2]
The coordinates of the touch events for the two fingers.
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.
gesture_coords_t distance
The distance between the current touches.
gesture_coords_t last_distance
The distance between the previous touches.

Library:

libgestures

Description:

This structure carries data about the pinch gesture.