Reference

ALLEGRO_TOUCH_STATE(3)

Allegro 5 API

NAME

ALLEGRO_TOUCH_STATE - Allegro 5 API

SYNOPSIS

#include <allegro5/allegro.h>
typedef struct ALLEGRO_TOUCH_STATE ALLEGRO_TOUCH_STATE;

DESCRIPTION

This is a structure that is used to hold a “snapshot” of a touch at a particular instant.

Public fields (read only):

•

id - identifier of the touch. If the touch is valid, this is positive.

•

x - touch x position

•

y - touch y position

•

dx - touch relative x position

•

dy - touch relative y position

•

primary - TRUE if this touch is the primary one (usually the first one).

•

display - The ALLEGRO_DISPLAY(3) that was touched.

SINCE

5.1.0