Working example

sdl3/sdl3_pen.odin

@@ -0,0 +1,30 @@
+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"). */
+}