/// <summary>
/// Parses a <see cref="RelativePoint"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <returns>The parsed <see cref="RelativePoint"/>.</returns>
public static RelativePoint Parse(string s)
{
using (var tokenizer = new StringTokenizer(s, CultureInfo.InvariantCulture, exceptionMessage: "Invalid RelativePoint."))
{
var x = tokenizer.ReadString();
var y = tokenizer.ReadString();
var unit = RelativeUnit.Absolute;
var scale = 1.0;
if (x.EndsWith("%"))
{
if (!y.EndsWith("%"))
{
throw new FormatException("If one coordinate is relative, both must be.");
}
x = x.TrimEnd('%');
y = y.TrimEnd('%');
unit = RelativeUnit.Relative;
scale = 0.01;
}
return(new RelativePoint(
double.Parse(x, CultureInfo.InvariantCulture) * scale,
double.Parse(y, CultureInfo.InvariantCulture) * scale,
unit));
}
}
/// <summary>
/// Parses a <see cref="RelativeRect"/> string.
/// </summary>
/// <param name="s">The string.</param>
/// <returns>The parsed <see cref="RelativeRect"/>.</returns>
public static RelativeRect Parse(string s)
{
using (var tokenizer = new StringTokenizer(s, exceptionMessage: "Invalid RelativeRect"))
{
var x = tokenizer.ReadString();
var y = tokenizer.ReadString();
var width = tokenizer.ReadString();
var height = tokenizer.ReadString();
var unit = RelativeUnit.Absolute;
var scale = 1.0;
var xRelative = x.EndsWith("%", StringComparison.Ordinal);
var yRelative = y.EndsWith("%", StringComparison.Ordinal);
var widthRelative = width.EndsWith("%", StringComparison.Ordinal);
var heightRelative = height.EndsWith("%", StringComparison.Ordinal);
if (xRelative && yRelative && widthRelative && heightRelative)
{
x = x.TrimEnd(PercentChar);
y = y.TrimEnd(PercentChar);
width = width.TrimEnd(PercentChar);
height = height.TrimEnd(PercentChar);
unit = RelativeUnit.Relative;
scale = 0.01;
}
else if (xRelative || yRelative || widthRelative || heightRelative)
{
throw new FormatException("If one coordinate is relative, all must be.");
}
return(new RelativeRect(
double.Parse(x, CultureInfo.InvariantCulture) * scale,
double.Parse(y, CultureInfo.InvariantCulture) * scale,
double.Parse(width, CultureInfo.InvariantCulture) * scale,
double.Parse(height, CultureInfo.InvariantCulture) * scale,
unit));
}
}