public static List <Base> ToPathList(this string pathDataText)
{
pathDataText = pathDataText.Trim();
var strings = new List <string>();
int start = 0;
for (int i = 1; i <= pathDataText.Length; i++)
{
if (i == pathDataText.Length || (char.ToLower(pathDataText[i]) != 'e' && char.IsLetter(pathDataText[i])))
{
strings.Add(pathDataText.Substring(start, i - start));
start = i;
}
}
var result = new List <PathElement.Base>();
foreach (var str in strings)
{
if (string.IsNullOrWhiteSpace(str))
{
continue;
}
var cmd = char.ToUpper(str[0]);
switch (cmd)
{
case Arc.Symbol:
if (Arc.FromString(str) is List <Arc> arcList)
{
result.AddRange(arcList);
}
break;
case BezierCurve.Symbol:
if (BezierCurve.FromString(str) is List <BezierCurve> bezierCurveList)
{
result.AddRange(bezierCurveList);
}
break;
case ClosePath.Symbol:
result.Add(new ClosePath());
break;
case HorzLineTo.Symbol:
if (HorzLineTo.FromString(str) is HorzLineTo horzLineTo)
{
result.Add(horzLineTo);
}
break;
case LineTo.Symbol:
if (LineTo.FromString(str) is List <LineTo> lineList)
{
result.AddRange(lineList);
}
break;
case MoveTo.Symbol:
if (MoveTo.FromString(str) is List <Base> moveAndLineList)
{
result.AddRange(moveAndLineList);
}
break;
case QuadraticCurve.Symbol:
if (QuadraticCurve.FromString(str) is List <QuadraticCurve> quadraticCurveList)
{
result.AddRange(quadraticCurveList);
}
break;
case ShortcutBezierCurve.Symbol:
if (ShortcutBezierCurve.FromString(str) is List <ShortcutBezierCurve> shortcutBezierCurveList)
{
result.AddRange(shortcutBezierCurveList);
}
break;
case ShortcutQuadraticCurve.Symbol:
if (ShortcutQuadraticCurve.FromString(str) is List <ShortcutQuadraticCurve> shortcutQuadraticCurveList)
{
result.AddRange(shortcutQuadraticCurveList);
}
break;
case VertLineTo.Symbol:
if (VertLineTo.FromString(str) is VertLineTo vertLineTo)
{
result.Add(vertLineTo);
}
break;
default:
throw new Exception("Unrecognized Path Command : " + str);
}
}
return(result);
}