ALLEGRO_TOUCH_STATE(1) 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(3alleg5) that was touched.

SINCE

5.1.0