#pragma once

#include <stdint.h>

typedef struct {
	int64_t x;	/* touch horizontal center */
	int64_t y;	/* touch vertical center */
} touch_coordinates;

/* using ultrawide ints (narrowing later) */
typedef struct {
	uint64_t slot_number;
	uint64_t tracking_id;	/* this increases with each new touch */
	touch_coordinates position;
	/* ignoring ABS_MT_TOUCH_MAJOR 
		and ABS_MT_WIDTH_MAJOR 
	*/
} touch_event;

touch_event* touch_event_new();

void touch_event_copy( touch_event *dst, touch_event *src);

touch_coordinates* new_touch_coordinates_buffer( uint8_t count);

void free_touch_coordinates_buffer( touch_coordinates* buffer);

void touch_events_array_copy( touch_event ***dst, touch_event **src, uint8_t count);

void free_touch_events_array( touch_event **buffer, uint8_t count);