/// <summary>
/// Transposes the ScreenVector if the series is transposed. Reverses the respective direction if X or Y axis are reversed.
/// </summary>
/// <param name="element">The <see cref="ITransposablePlotElement" />.</param>
/// <param name="vector">The <see cref="ScreenVector" /> to orientate.</param>
/// <returns>The oriented vector.</returns>
public static ScreenVector Orientate(this ITransposablePlotElement element, ScreenVector vector)
{
vector = new ScreenVector(
element.XAxis.IsReversed ? -vector.X : vector.X,
element.YAxis.IsReversed ? -vector.Y : vector.Y);
return(element.IsTransposed() ? new ScreenVector(-vector.Y, -vector.X) : vector);
}
/// <summary>
/// Orientates a HorizontalAlignment and a VerticalAlignment according to whether the Series is transposed or the Axes are reversed.
/// </summary>
/// <param name="element">The <see cref="ITransposablePlotElement" />.</param>
/// <param name="ha">The <see cref="HorizontalAlignment" /> to orientate.</param>
/// <param name="va">The <see cref="VerticalAlignment" /> to orientate.</param>
public static void Orientate(
this ITransposablePlotElement element,
ref HorizontalAlignment ha,
ref VerticalAlignment va)
{
if (element.XAxis.IsReversed)
{
ha = (HorizontalAlignment)(-(int)ha);
}
if (element.YAxis.IsReversed)
{
va = (VerticalAlignment)(-(int)va);
}
if (element.IsTransposed())
{
var orientatedHa = (HorizontalAlignment)(-(int)va);
va = (VerticalAlignment)(-(int)ha);
ha = orientatedHa;
}
}
/// <summary>
/// Transposes the ScreenPoint if the series is transposed.
/// </summary>
/// <param name="element">The <see cref="ITransposablePlotElement" />.</param>
/// <param name="point">The <see cref="ScreenPoint" /> to orientate.</param>
/// <returns>The oriented point.</returns>
public static ScreenPoint Orientate(this ITransposablePlotElement element, ScreenPoint point)
{
return(element.IsTransposed() ? new ScreenPoint(point.Y, point.X) : point);
}