internal SvgLength(string value, SvgLengthContext context)
{
if (string.IsNullOrWhiteSpace(value))
{
throw new ArgumentNullException(nameof(value));
}
_context = context ?? throw new ArgumentNullException(nameof(context));
value = value.Trim();
var unit = value.IndexOfAny(new[] { '%', 'e', 'p', 'c', 'm', 'i' });
if (unit < 0)
{
LengthType = SvgLengthType.Number;
ValueInSpecifiedUnits = float.Parse(value);
}
else
{
ValueInSpecifiedUnits = float.Parse(value.Substring(0, unit));
switch (value.Substring(unit).ToLowerInvariant())
{
case "%":
LengthType = SvgLengthType.Percentage;
break;
case "ems":
LengthType = SvgLengthType.ems;
break;
case "exs":
LengthType = SvgLengthType.exs;
break;
case "px":
LengthType = SvgLengthType.px;
break;
case "cm":
LengthType = SvgLengthType.cm;
break;
case "mm":
LengthType = SvgLengthType.mm;
break;
case "in":
LengthType = SvgLengthType.@in;
break;
case "pt":
LengthType = SvgLengthType.pt;
break;
case "pc":
LengthType = SvgLengthType.pc;
break;
default:
throw new ArgumentException($"Invalid unit specified on length '{value}'", nameof(value));
}
}
}
internal SvgLength(float value)
{
LengthType = SvgLengthType.Number;
ValueInSpecifiedUnits = value;
_context = SvgLengthContext.Null;
}