SDL_GetNumTouchFingers

Get the number of active fingers for a given touch device.

Header File

Defined in SDL_touch.h

Syntax

int SDL_GetNumTouchFingers(SDL_TouchID touchID);

Function Parameters

SDL_TouchID touchID the ID of a touch device.

Return Value

(int) Returns the number of active fingers for a given touch device on success or 0 on failure; call SDL_GetError() for more information.

Version

This function is available since SDL 2.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryTouch