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

SDL_GetPenStatus

Retrieves the pen's current status.

Header File

Defined in <SDL3/SDL_pen.h>

Syntax

Uint32 SDL_GetPenStatus(SDL_PenID instance_id, float *x, float *y, float *axes, size_t num_axes);

Function Parameters

instance_id	The pen to query.
x	Out-mode parameter for pen x coordinate. May be NULL.
y	Out-mode parameter for pen y coordinate. May be NULL.
axes	Out-mode parameter for axis information. May be null. The axes are in the same order as SDL_PenAxis.
num_axes	Maximum number of axes to write to "axes".

Return Value

Returns a bit mask with the current pen button states (SDL_BUTTON_LMASK etc.), possibly SDL_PEN_DOWN_MASK, and exactly one of SDL_PEN_INK_MASK or SDL_PEN_ERASER_MASK , or 0 on error (see SDL_GetError()).

Remarks

If the pen is detached (cf. SDL_PenConnected), this operation may return default values.

Version

This function is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIFunction

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