internal Layer(string name, bool checkName)
: base(name, DxfObjectCode.Layer, checkName)
{
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException(nameof(name), "The layer name should be at least one character long.");
this.IsReserved = name.Equals(DefaultName, StringComparison.OrdinalIgnoreCase);
this.color = AciColor.Default;
this.linetype = Linetype.Continuous;
this.isVisible = true;
this.plot = true;
this.lineweight = Lineweight.Default;
this.transparency = new Transparency(0);
}
protected EntityObject(EntityType type, string dxfCode)
: base(dxfCode)
{
this.type = type;
this.color = AciColor.ByLayer;
this.layer = Layer.Default;
this.linetype = Linetype.ByLayer;
this.lineweight = Lineweight.ByLayer;
this.transparency = Transparency.ByLayer;
this.linetypeScale = 1.0;
this.isVisible = true;
this.normal = Vector3.UnitZ;
this.reactors = new List<DxfObject>();
this.xData = new XDataDictionary();
this.xData.AddAppReg += this.XData_AddAppReg;
this.xData.RemoveAppReg += this.XData_RemoveAppReg;
}
protected virtual Linetype OnMLineStyleElementLinetypeChangedEvent(Linetype oldLinetype, Linetype newLinetype)
{
MLineStyleElementLinetypeChangedEventHandler ae = this.MLineStyleElementLinetypeChanged;
if (ae != null)
{
TableObjectChangedEventArgs<Linetype> eventArgs = new TableObjectChangedEventArgs<Linetype>(oldLinetype, newLinetype);
ae(this, eventArgs);
return eventArgs.NewValue;
}
return newLinetype;
}
private static Line ExtensionLine(Vector2 start, Vector2 end, DimensionStyle style, Linetype linetype)
{
return new Line(start, end)
{
Color = style.ExtLineColor,
Linetype = linetype,
Lineweight = style.ExtLineLineweight
};
}
internal DimensionStyle(string name, bool checkName)
: base(name, DxfObjectCode.DimStyle, checkName)
{
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException(nameof(name), "The dimension style name should be at least one character long.");
this.IsReserved = name.Equals(DefaultName, StringComparison.OrdinalIgnoreCase);
// dimension lines
this.dimclrd = AciColor.ByBlock;
this.dimltype = Linetype.ByBlock;
this.dimlwd = Lineweight.ByBlock;
this.dimdli = 0.38;
this.dimdle = 0.0;
// extension lines
this.dimclre = AciColor.ByBlock;
this.dimltex1 = Linetype.ByBlock;
this.dimltex2 = Linetype.ByBlock;
this.dimlwe = Lineweight.ByBlock;
this.dimse1 = false;
this.dimse2 = false;
this.dimexo = 0.0625;
this.dimexe = 0.18;
// symbols and arrows
this.dimasz = 0.18;
this.dimcen = 0.09;
this.dimldrblk = null;
this.dimblk1 = null;
this.dimblk2 = null;
// text
this.dimtxsty = TextStyle.Default;
this.dimclrt = AciColor.ByBlock;
this.dimtxt = 0.18;
this.dimtad = 1;
this.dimjust = 0;
this.dimgap = 0.09;
// fit
this.dimscale = 1.0;
// primary units
this.dimdec = 2;
this.dimadec = 0;
this.dimPrefix = string.Empty;
this.dimSuffix = string.Empty;
this.dimtih = 0;
this.dimtoh = 0;
this.dimdsep = '.';
this.dimlfac = 1.0;
this.dimaunit = AngleUnitType.DecimalDegrees;
this.dimlunit = LinearUnitType.Decimal;
this.dimfrac = FractionFormatType.Horizontal;
this.suppressLinearLeadingZeros = false;
this.suppressLinearTrailingZeros = false;
this.suppressAngularLeadingZeros = false;
this.suppressAngularTrailingZeros = false;
this.suppressZeroFeet = true;
this.suppressZeroInches = true;
this.dimrnd = 0.0;
}
/// <summary>
/// Writes a new line type to the table section.
/// </summary>
/// <param name="tl">Line type.</param>
private void WriteLinetype(Linetype tl)
{
Debug.Assert(this.activeTable == DxfObjectCode.LinetypeTable);
this.chunk.Write(0, tl.CodeName);
this.chunk.Write(5, tl.Handle);
this.chunk.Write(330, tl.Owner.Handle);
this.chunk.Write(100, SubclassMarker.TableRecord);
this.chunk.Write(100, SubclassMarker.Linetype);
this.chunk.Write(70, (short) 0);
this.chunk.Write(2, this.EncodeNonAsciiCharacters(tl.Name));
this.chunk.Write(3, this.EncodeNonAsciiCharacters(tl.Description));
this.chunk.Write(72, (short) 65);
this.chunk.Write(73, (short) tl.Segments.Count);
this.chunk.Write(40, tl.Length());
foreach (double s in tl.Segments)
{
this.chunk.Write(49, s);
this.chunk.Write(74, (short) 0);
}
}
/// <summary>
/// Creates a new line type from the definition in a .lin file.
/// </summary>
/// <remarks>Only simple line types are supported.</remarks>
/// <param name="file">Lin file where the definition is located.</param>
/// <param name="linetypeName">Name of the line type definition that wants to be read (ignore case).</param>
/// <returns>A line type defined by the .lin file.</returns>
public static Linetype FromFile(string file, string linetypeName)
{
Linetype linetype = null;
using (StreamReader reader = new StreamReader(File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), true))
{
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
if (line == null)
throw new FileLoadException("Unknown error reading .lin file.", file);
// lines starting with semicolons are comments
if (line.StartsWith(";"))
continue;
// every line type definition starts with '*'
if (!line.StartsWith("*"))
continue;
// reading line type name and description
int endName = line.IndexOf(','); // the first semicolon divides the name from the description that might contain more semicolons
string name = line.Substring(1, endName - 1);
string description = line.Substring(endName + 1, line.Length - endName - 1);
// remove start and end spaces
description = description.Trim();
if (!name.Equals(linetypeName, StringComparison.OrdinalIgnoreCase))
continue;
// we have found the line type name, the next line of the file contains the line type definition
line = reader.ReadLine();
if (line == null)
throw new FileLoadException("Unknown error reading .lin file.", file);
linetype = new Linetype(name, description);
string[] tokens = line.Split(',');
// the index 0 is always A (alignment field)
for (int i = 1; i < tokens.Length; i++)
{
double segment;
if (double.TryParse(tokens[i], out segment))
linetype.Segments.Add(segment);
else
{
// only simple line types are supported.
linetype = null;
break;
}
}
break;
}
}
return linetype;
}
internal DimensionStyle(string name, bool checkName)
: base(name, DxfObjectCode.DimStyle, checkName)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name), "The dimension style name should be at least one character long.");
}
this.IsReserved = name.Equals(DefaultName, StringComparison.OrdinalIgnoreCase);
// dimension lines
this.dimclrd = AciColor.ByBlock;
this.dimltype = Linetype.ByBlock;
this.dimlwd = Lineweight.ByBlock;
this.dimsd = false;
this.dimdli = 0.38;
this.dimdle = 0.0;
// extension lines
this.dimclre = AciColor.ByBlock;
this.dimltex1 = Linetype.ByBlock;
this.dimltex2 = Linetype.ByBlock;
this.dimlwe = Lineweight.ByBlock;
this.dimse1 = false;
this.dimse2 = false;
this.dimexo = 0.0625;
this.dimexe = 0.18;
// symbols and arrows
this.dimasz = 0.18;
this.dimcen = 0.09;
this.dimldrblk = null;
this.dimblk1 = null;
this.dimblk2 = null;
// text
this.dimtxsty = TextStyle.Default;
this.dimclrt = AciColor.ByBlock;
this.dimtxt = 0.18;
this.dimtad = 1;
this.dimjust = 0;
this.dimgap = 0.09;
// fit
this.dimscale = 1.0;
// primary units
this.dimdec = 2;
this.dimadec = 0;
this.dimPrefix = string.Empty;
this.dimSuffix = string.Empty;
this.dimtih = 0;
this.dimtoh = 0;
this.dimdsep = '.';
this.dimlfac = 1.0;
this.dimaunit = AngleUnitType.DecimalDegrees;
this.dimlunit = LinearUnitType.Decimal;
this.dimfrac = FractionFormatType.Horizontal;
this.suppressLinearLeadingZeros = false;
this.suppressLinearTrailingZeros = false;
this.suppressAngularLeadingZeros = false;
this.suppressAngularTrailingZeros = false;
this.suppressZeroFeet = true;
this.suppressZeroInches = true;
this.dimrnd = 0.0;
}
/// <summary>
/// Creates a new line type from the definition in a LIN file.
/// </summary>
/// <param name="file">Lin file where the definition is located.</param>
/// <param name="linetypeName">Name of the line type definition to read (ignore case).</param>
/// <returns>The linetype defined in the LIN file with the specified name, null if the linetype has not been found in the linetype definitions file.</returns>
public static Linetype Load(string file, string linetypeName)
{
Linetype linetype = null;
List <LinetypeSegment> segments = new List <LinetypeSegment>();
using (StreamReader reader = new StreamReader(File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), true))
{
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
if (line == null)
{
throw new FileLoadException("Unknown error reading LIN file.", file);
}
// every line type definition starts with '*'
if (!line.StartsWith("*"))
{
continue;
}
// reading line type name and description
int endName = line.IndexOf(','); // the first semicolon divides the name from the description that might contain more semicolons
string name = line.Substring(1, endName - 1);
string description = line.Substring(endName + 1, line.Length - endName - 1);
// remove start and end spaces
description = description.Trim();
if (name.Equals(linetypeName, StringComparison.OrdinalIgnoreCase))
{
// we have found the line type name, the next line of the file contains the line type definition
line = reader.ReadLine();
if (line == null)
{
throw new FileLoadException("Unknown error reading LIN file.", file);
}
string[] tokens = line.Split(',');
// the index 0 is always A (alignment field)
for (int i = 1; i < tokens.Length; i++)
{
double length;
if (double.TryParse(tokens[i], NumberStyles.Float, CultureInfo.InvariantCulture, out length))
{
// is the length followed by a shape o text segment
if (i + 1 < tokens.Length)
{
if (tokens[i + 1].StartsWith("["))
{
StringBuilder data = new StringBuilder();
// there are two kinds of complex linetype Text and Shape, the data is enclosed in brackets
for (++i; i < tokens.Length; i++)
{
data.Append(tokens[i]);
// text and shape data must be enclosed by brackets
if (i >= tokens.Length)
{
throw new FormatException("The linetype definition is not well formatted.");
}
if (tokens[i].EndsWith("]"))
{
break;
}
data.Append(",");
}
LinetypeSegment segment = ReadLineTypeComplexSegment(data.ToString(), length);
if (segment != null)
{
segments.Add(segment);
}
}
else
{
segments.Add(new LinetypeSimpleSegment(length));
}
}
else
{
segments.Add(new LinetypeSimpleSegment(length));
}
}
else
{
throw new FormatException("The linetype definition is not well formatted.");
}
}
linetype = new Linetype(name, segments, description);
break;
}
}
}
return(linetype);
}
internal DimensionStyle(string name, bool checkName)
: base(name, DxfObjectCode.DimStyle, checkName)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name), "The dimension style name should be at least one character long.");
}
this.IsReserved = name.Equals(DefaultName, StringComparison.OrdinalIgnoreCase);
// dimension and extension lines
this.dimclrd = AciColor.ByBlock;
this.dimltype = Linetype.ByBlock;
this.dimlwd = Lineweight.ByBlock;
this.dimdle = 0.0;
this.dimdli = 0.38;
this.dimsd1 = false;
this.dimsd2 = false;
this.dimclre = AciColor.ByBlock;
this.dimltex1 = Linetype.ByBlock;
this.dimltex2 = Linetype.ByBlock;
this.dimlwe = Lineweight.ByBlock;
this.dimse1 = false;
this.dimse2 = false;
this.dimexo = 0.0625;
this.dimexe = 0.18;
this.dimfxlon = false;
this.dimfxl = 1.0;
// symbols and arrows
this.dimldrblk = null;
this.dimblk1 = null;
this.dimblk2 = null;
this.dimasz = 0.18;
this.dimcen = 0.09;
// text
this.dimtxsty = TextStyle.Default;
this.dimclrt = AciColor.ByBlock;
this.dimtfillclr = null;
this.dimtxt = 0.18;
this.dimtad = DimensionStyleTextVerticalPlacement.Centered;
this.dimjust = DimensionStyleTextHorizontalPlacement.Centered;
this.dimgap = 0.09;
this.dimtih = false;
this.dimtoh = false;
this.dimtxtdirection = DimensionStyleTextDirection.LeftToRight;
this.dimtfac = 1.0;
// fit
this.dimtofl = false;
this.dimsoxd = true;
this.dimscale = 1.0;
this.dimatfit = DimensionStyleFitOptions.BestFit;
this.dimtix = false;
this.dimtmove = DimensionStyleFitTextMove.BesideDimLine;
// primary units
this.dimdec = 4;
this.dimadec = 0;
this.dimPrefix = string.Empty;
this.dimSuffix = string.Empty;
this.dimdsep = '.';
this.dimlfac = 1.0;
this.dimaunit = AngleUnitType.DecimalDegrees;
this.dimlunit = LinearUnitType.Decimal;
this.dimfrac = FractionFormatType.Horizontal;
this.suppressLinearLeadingZeros = false;
this.suppressLinearTrailingZeros = false;
this.suppressZeroFeet = true;
this.suppressZeroInches = true;
this.suppressAngularLeadingZeros = false;
this.suppressAngularTrailingZeros = false;
this.dimrnd = 0.0;
// alternate units
this.alternateUnits = new DimensionStyleAlternateUnits();
// tolerances
this.tolerances = new DimensionStyleTolerances();
}
/// <summary>
/// Initializes a new instance of the <c>Vertex</c> class.
/// </summary>
/// <param name="position">Vertex <see cref="Vector3">location</see>.</param>
public Vertex(Vector3 position)
: base(DxfObjectCode.Vertex)
{
this.flags = VertexTypeFlags.PolylineVertex;
this.position = position;
this.layer = Layer.Default;
this.color = AciColor.ByLayer;
this.linetype = Linetype.ByLayer;
this.bulge = 0.0;
this.startWidth = 0.0;
this.endWidth = 0.0;
}
