double.h

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#pragma once
 
#include "gesturelib.h"
#include "gestureparams.h"
#include "math.h"
#include "multistroke.h"
#include "recognizer.h"
#include "stroke.h"
#include "tap.h"
 
// test defines to fix the distance problem
#define DIST_X 20
#define DIST_Y 20
 
typedef struct double_tap {
    state_t state;
 
    int group;
 
    // int num_touches;
 
    float x0;
    float y0;
    float t0;
    float x;
    float y;
    float t;
} double_tap_t;  // single finger double tap data
 
void init_double_tap();
 
void recognize_double_tap(const touch_event_t* event);
 
const double_tap_t* get_double_tap();
 
int set_on_double_tap(void (*listener)(const double_tap_t*));