/// <summary>
/// Transforms list of points from data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoints">Points in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Points in screen coordinates</returns>
public static List <Point> DataToScreen(this IEnumerable <Point> dataPoints, CoordinateTransform transform)
{
ICollection <Point> iCollection = dataPoints as ICollection <Point>;
List <Point> res;
if (iCollection != null)
{
res = new List <Point>(iCollection.Count);
}
else
{
res = new List <Point>();
}
foreach (var point in dataPoints)
{
res.Add(transform.DataToScreen(point));
}
return(res);
}
internal static CoordinateTransform CreateDefault()
{
CoordinateTransform transform = new CoordinateTransform(new Rect(0, 0, 1, 1), new Rect(0, 0, 1, 1));
return(transform);
}
/// <summary>
/// Transforms point in data coordinates to viewport coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point DataToViewport(this Point dataPoint, CoordinateTransform transform)
{
return(transform.DataTransform.DataToViewport(dataPoint));
}
/// <summary>
/// Transforms point in viewport coordinates to data coordinates.
/// </summary>
/// <param name="viewportPoint">Point in viewport coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in data coordinates</returns>
public static Point ViewportToData(this Point viewportPoint, CoordinateTransform transform)
{
return(transform.DataTransform.ViewportToData(viewportPoint));
}
/// <summary>
/// Transforms point in screen coordinates to viewport coordinates.
/// </summary>
/// <param name="screenPoint">Point in screen coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in viewport coordinates</returns>
public static Point ScreenToViewport(this Point screenPoint, CoordinateTransform transform)
{
return(transform.ScreenToViewport(screenPoint));
}
public static List <Point> DataToScreen(this CoordinateTransform transform, IEnumerable <Point> dataPoints)
{
return(dataPoints.DataToScreen(transform));
}
/// <summary>
/// Transforms point in data coordinates to screen coordinates.
/// </summary>
/// <param name="dataPoint">Point in data coordinates</param>
/// <param name="transform">CoordinateTransform used to perform transformation</param>
/// <returns>Point in screen coordinates</returns>
public static Point DataToScreen(this Point dataPoint, CoordinateTransform transform)
{
return(transform.DataToScreen(dataPoint));
}