private static LinetypeSegment ReadLineTypeComplexSegment(string data, double length)
{
// the data is enclosed in brackets
if (data[0] != '[' || data[data.Length - 1] != ']')
{
return(null);
}
// the first data item in a complex linetype definition segment
// can be a shape name or a text string, the last always is enclosed in ""
LinetypeSegmentType type = data[1] != '"' ? LinetypeSegmentType.Shape : LinetypeSegmentType.Text;
data = data.Substring(1, data.Length - 2);
string name;
string style;
Vector2 position = Vector2.Zero;
LinetypeSegmentRotationType rotationType = LinetypeSegmentRotationType.Relative;
double rotation = 0.0;
double scale = 0.1;
string[] tokens = data.Split(',');
// at least two items must be present the shape name and file
if (tokens.Length < 2)
{
return(null);
}
name = tokens[0].Trim('"');
style = tokens[1];
for (int i = 2; i < tokens.Length; i++)
{
string value = tokens[i].Remove(0, 2);
if (tokens[i].StartsWith("X=", StringComparison.InvariantCultureIgnoreCase))
{
double x;
if (double.TryParse(value, out x))
{
position.X = x;
}
}
else if (tokens[i].StartsWith("Y=", StringComparison.InvariantCultureIgnoreCase))
{
double y;
if (double.TryParse(value, out y))
{
position.Y = y;
}
}
else if (tokens[i].StartsWith("S=", StringComparison.InvariantCultureIgnoreCase))
{
double s;
if (double.TryParse(value, out s))
{
scale = s;
}
if (scale <= 0.0)
{
scale = 0.1;
}
}
else if (tokens[i].StartsWith("R=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Relative;
rotation = ReadRotation(value);
}
else if (tokens[i].StartsWith("Q=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Absolute;
rotation = ReadRotation(value);
}
else if (tokens[i].StartsWith("U=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Upright;
rotation = ReadRotation(value);
}
}
if (type == LinetypeSegmentType.Text)
{
TextStyle textStyle = new TextStyle(style);
return(new LinetypeTextSegment(name, textStyle, length, position, rotationType, rotation, scale));
}
if (type == LinetypeSegmentType.Shape)
{
ShapeStyle shapeStyle = new ShapeStyle(style);
return(new LinetypeShapeSegment(name, shapeStyle, length, position, rotationType, rotation, scale));
}
return(null);
}
/// <summary>
/// Initializes a new instance of the <c>LinetypeSegment</c> class.
/// </summary>
/// <param name="type">Type of the linetype segment.</param>
/// <param name="length">Dash or space length of the segment.</param>
protected LinetypeSegment(LinetypeSegmentType type, double length)
{
this.type = type;
this.length = length;
}
private static LinetypeSegment ReadLineTypeComplexSegment(string[] data, double length)
{
// the data is enclosed in brackets
Debug.Assert(data[0][0] == '[' || data[data.Length - 1][data[data.Length - 1].Length - 1] == ']', "The data is enclosed in brackets.");
// the first data item in a complex linetype definition segment
// can be a shape name or a text string, the last always is enclosed in ""
LinetypeSegmentType type = data[0][1] == '"' ? LinetypeSegmentType.Text : LinetypeSegmentType.Shape;
// remove the start and end brackets
data[0] = data[0].Remove(0, 1);
data[data.Length - 1] = data[data.Length - 1].Remove(data[data.Length - 1].Length - 1, 1);
Vector2 position = Vector2.Zero;
LinetypeSegmentRotationType rotationType = LinetypeSegmentRotationType.Relative;
double rotation = 0.0;
double scale = 0.1;
// at least two items must be present the shape name and file
if (data.Length < 2)
{
return(null);
}
string name = data[0].Trim('"');
string style = data[1];
for (int i = 2; i < data.Length; i++)
{
string value = data[i].Remove(0, 2);
if (data[i].StartsWith("X=", StringComparison.InvariantCultureIgnoreCase))
{
position.X = double.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
}
else if (data[i].StartsWith("Y=", StringComparison.InvariantCultureIgnoreCase))
{
position.Y = double.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
}
else if (data[i].StartsWith("S=", StringComparison.InvariantCultureIgnoreCase))
{
scale = double.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
if (scale <= 0.0)
{
scale = 0.1;
}
}
else if (data[i].StartsWith("A=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Absolute;
rotation = ReadRotation(value);
}
else if (data[i].StartsWith("R=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Relative;
rotation = ReadRotation(value);
}
else if (data[i].StartsWith("U=", StringComparison.InvariantCultureIgnoreCase))
{
rotationType = LinetypeSegmentRotationType.Upright;
rotation = ReadRotation(value);
}
}
if (type == LinetypeSegmentType.Text)
{
// complex text linetype segments only holds the name of the style
TextStyle textStyle = new TextStyle(style, "simplex.shx");
return(new LinetypeTextSegment(name, textStyle, length, position, rotationType, rotation, scale));
}
if (type == LinetypeSegmentType.Shape)
{
ShapeStyle shapeStyle = new ShapeStyle(style);
return(new LinetypeShapeSegment(name, shapeStyle, length, position, rotationType, rotation, scale));
}
return(null);
}
