public static double ConvertExtentYToViewportY(this CanvasView canvasView, double extentY) => CanvasCoordinateConversions.ConvertExtentYToViewportY(extentY, canvasView.ScaleRatio, canvasView.ViewportCanvasOffset);
public static double ConvertExtentYToViewportY(this CanvasView canvasView, double extentY) => CanvasCoordinateConversions.ConvertExtentYToViewportY(extentY, canvasView.ScaleRatio, canvasView.ViewportCanvasOffset);