package sdl3 import "core:c" PenID :: distinct Uint32 PEN_MOUSEID :: MouseID(1<<32 - 2) PEN_TOUCHID :: TouchID(1<<64 - 2) PenInputFlags :: distinct bit_set[PenInputFlag; Uint32] PenInputFlag :: enum Uint32 { DOWN = 0, /**< pen is pressed down */ BUTTON_1 = 1, /**< button 1 is pressed */ BUTTON_2 = 2, /**< button 2 is pressed */ BUTTON_3 = 3, /**< button 3 is pressed */ BUTTON_4 = 4, /**< button 4 is pressed */ BUTTON_5 = 5, /**< button 5 is pressed */ ERASER_TIP = 30, /**< eraser tip is used */ } PenAxis :: enum c.int { PRESSURE, /**< Pen pressure. Unidirectional: 0 to 1.0 */ XTILT, /**< Pen horizontal tilt angle. Bidirectional: -90.0 to 90.0 (left-to-right). */ YTILT, /**< Pen vertical tilt angle. Bidirectional: -90.0 to 90.0 (top-to-down). */ DISTANCE, /**< Pen distance to drawing surface. Unidirectional: 0.0 to 1.0 */ ROTATION, /**< Pen barrel rotation. Bidirectional: -180 to 179.9 (clockwise, 0 is facing up, -180.0 is facing down). */ SLIDER, /**< Pen finger wheel or slider (e.g., Airbrush Pen). Unidirectional: 0 to 1.0 */ TANGENTIAL_PRESSURE, /**< Pressure from squeezing the pen ("barrel pressure"). */ }