Man page - sdl_gettouchfingers(3)

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Manual

SDL_GetTouchFingers

NAME
HEADER FILE
SYNOPSIS
FUNCTION PARAMETERS
RETURN VALUE
AVAILABILITY

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NAME

SDL_GetTouchFingers - Get a list of active fingers for a given touch device.

HEADER FILE

Defined in SDL3/SDL_touch.h

SYNOPSIS

#include "SDL3/SDL.h"

SDL_Finger ** SDL_GetTouchFingers(SDL_TouchID touchID, int *count);

FUNCTION PARAMETERS

touchID

the ID of a touch device.

count

a pointer filled in with the number of fingers returned, can be NULL.

RETURN VALUE

( SDL_Finger ) Returns a NULL terminated array of

SDL_Finger
pointers or NULL on failure; call

SDL_GetError () for more information. This is a single allocation that should be freed with SDL_free () when it is no longer needed.

AVAILABILITY

This function is available since SDL 3.2.0.

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