SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_GetTouchFingers

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

Header File

Defined in <SDL3/SDL_touch.h>

Syntax

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

Function Parameters

SDL_TouchID touchID the ID of a touch device.
int * count a pointer filled in with the number of fingers returned, can be NULL.

Return Value

(const SDL_Finger * const *) Returns a NULL terminated array of SDL_Finger pointers or NULL on failure; call SDL_GetError() for more information.

Remarks

This returns temporary memory which will be automatically freed later, and can be claimed with SDL_ClaimTemporaryMemory().

Version

This function is available since SDL 3.0.0.


CategoryAPI, CategoryAPIFunction, CategoryTouch


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