private static void WriteLines(StreamWriter writer, IgesSectionType sectionType, List <string> lines)
{
for (int i = 0; i < lines.Count; i++)
{
writer.Write(MakeFileLine(sectionType, lines[i], i + 1));
}
}
private static string MakeFileLine(IgesSectionType sectionType, string line, int lineNumber)
{
line = line ?? string.Empty;
if (line.Length > 72)
{
throw new IgesException("Line is too long");
}
var fullLine = string.Format("{0,-72}{1}{2,7}\n", line, SectionTypeChar(sectionType), lineNumber);
return(fullLine);
}
internal override void OnAfterRead(IgesDirectoryData directoryData)
{
base.OnAfterRead(directoryData);
if (FormNumber >= 1 && FormNumber <= 3)
{
Debug.Assert((int)PointFormat == FormNumber);
_dataType = IgesCopiousDataType.PointSet;
}
else if (FormNumber >= 11 && FormNumber <= 13)
{
Debug.Assert((int)PointFormat == FormNumber - 10);
Debug.Assert(DataPoints.Count >= 2);
_dataType = IgesCopiousDataType.LinearPath;
}
else if (FormNumber >= 20 && FormNumber <= 21)
{
Debug.Assert(EntityUseFlag == IgesEntityUseFlag.Annotation);
Debug.Assert(PointFormat == IgesCopiousDataPointFormat.CommonZ);
Debug.Assert(DataPoints.Count % 2 == 0);
_dataType = IgesCopiousDataType.CenterLine;
_centerlineType = (IgesCenterlineType)FormNumber;
}
else if (FormNumber >= 31 && FormNumber <= 38)
{
Debug.Assert(EntityUseFlag == IgesEntityUseFlag.Annotation);
Debug.Assert(PointFormat == IgesCopiousDataPointFormat.CommonZ);
Debug.Assert(DataPoints.Count % 2 == 0);
_dataType = IgesCopiousDataType.Section;
_sectionType = (IgesSectionType)FormNumber;
}
else if (FormNumber == 40)
{
Debug.Assert(EntityUseFlag == IgesEntityUseFlag.Annotation);
Debug.Assert(PointFormat == IgesCopiousDataPointFormat.CommonZ);
Debug.Assert(DataPoints.Count >= 3);
Debug.Assert(DataPoints.Count % 2 == 1);
_dataType = IgesCopiousDataType.WitnessLine;
}
else if (FormNumber == 63)
{
Debug.Assert(DataPoints.Count >= 2);
_dataType = IgesCopiousDataType.ClosedCurve;
}
else
{
Debug.Assert(false, "unexpected form number " + FormNumber);
}
}
private static char SectionTypeChar(IgesSectionType type)
{
switch (type)
{
case IgesSectionType.Start: return('S');
case IgesSectionType.Global: return('G');
case IgesSectionType.Directory: return('D');
case IgesSectionType.Parameter: return('P');
case IgesSectionType.Terminate: return('T');
default:
throw new IgesException("Unexpected section type " + type);
}
}
