Reference

SDL_PenAxisEvent(3type)

Pressure-sensitive pen pressure / angle event structure (event.paxis.*)

NAME

SDL_PenAxisEvent - Pressure-sensitive pen pressure / angle event structure (event.paxis.*)

HEADER FILE

Defined in SDL3/SDL_events.h

SYNOPSIS

#include "SDL3/SDL.h"

typedef struct SDL_PenAxisEvent { SDL_EventType type; /**< SDL_EVENT_PEN_AXIS */ Uint32 reserved; Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */ SDL_WindowID windowID; /**< The window with pen focus, if any */ SDL_PenID which; /**< The pen instance id */ SDL_PenInputFlags pen_state; /**< Complete pen input state at time of event */ float x; /**< X coordinate, relative to window */ float y; /**< Y coordinate, relative to window */ SDL_PenAxis axis; /**< Axis that has changed */ float value; /**< New value of axis */ } SDL_PenAxisEvent;

DESCRIPTION

You might get some of these events even if the pen isn't touching the tablet.

AVAILABILITY

This struct is available since SDL 3.2.0.