(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

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

touchID the ID of a touch device

Return Value

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