private Transformer CreateTransformer(Vector2 startingPoint, Vector2 point, float sizeWidth, float sizeHeight) { Matrix3x2 inverseMatrix = this.ViewModel.CanvasTransformer.GetInverseMatrix(); Transformer canvasTransformer = Transformer.CreateWithAspectRatio(startingPoint, point, sizeWidth, sizeHeight); return(canvasTransformer * inverseMatrix); }