ISKGLViewController

public SKTouchEventArgs (long id, SKTouchAction type, SKMouseButton mouseButton, SKTouchDeviceType deviceType, SkiaSharp.SKPoint location, bool inContact, int wheelDelta, float pressure);

public float Pressure { get; }

public interface ISKGLViewController : Xamarin.Forms.IElementController, Xamarin.Forms.IViewController, Xamarin.Forms.IVisualElementController {
	// events
	public event System.EventHandler<SkiaSharp.Views.Forms.GetPropertyValueEventArgs<SkiaSharp.SKSize>> GetCanvasSize;
	public event System.EventHandler<SkiaSharp.Views.Forms.GetPropertyValueEventArgs<SkiaSharp.GRContext>> GetGRContext;
	public event System.EventHandler SurfaceInvalidated;
	// methods
	public virtual void OnPaintSurface (SKPaintGLSurfaceEventArgs e);
	public virtual void OnTouch (SKTouchEventArgs e);
}