public Task <bool> WriteDrawing(string fileName, Stream fileStream, Drawing drawing, ViewPort viewPort, object fileSettings)
{
var file = new IgesFile();
var oldFile = drawing.Tag as IgesFile;
if (oldFile != null)
{
// preserve settings from original file
file.TimeStamp = oldFile.TimeStamp;
}
file.Author = drawing.Author;
file.FullFileName = fileName;
file.Identification = Path.GetFileName(fileName);
file.Identifier = Path.GetFileName(fileName);
file.ModelUnits = drawing.Settings.UnitFormat.ToIgesUnits();
file.ModifiedTime = DateTime.Now;
file.SystemIdentifier = "BCad";
file.SystemVersion = "1.0";
foreach (var entity in drawing.GetEntities())
{
var igesEntity = entity.ToIgesEntity();
if (igesEntity != null)
{
file.Entities.Add(igesEntity);
}
}
file.Save(fileStream);
return(Task.FromResult(true));
}
private static void VerifyFileText(IgesFile file, string expected, Action <string, string> verifier)
{
var stream = new MemoryStream();
file.Save(stream);
stream.Seek(0, SeekOrigin.Begin);
var bytes = stream.ToArray();
var actual = Encoding.ASCII.GetString(bytes);
verifier(expected.Trim('\r', '\n').Replace("\r", ""), actual.Trim('\r', '\n'));
}
public void ReadWithDifferningNewlinesTest()
{
var file = new IgesFile();
file.Entities.Add(new IgesLine(new IgesPoint(0.0, 0.0, 0.0), new IgesPoint(1.0, 1.0, 1.0)));
using (var ms = new MemoryStream())
{
file.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(ms))
{
var text = reader.ReadToEnd();
// verify file reading with LF
text = text.Replace("\r", "");
var lengthLF = 0L;
using (var ms2 = new MemoryStream())
{
using (var writer = new StreamWriter(ms2, Encoding.ASCII, bufferSize: 1024, leaveOpen: true))
{
writer.Write(text);
}
ms2.Seek(0, SeekOrigin.Begin);
lengthLF = ms2.Length;
var fileLF = IgesFile.Load(ms2);
Assert.Single(fileLF.Entities);
}
// verify file reading with CRLF
text = text.Replace("\n", "\r\n");
var lengthCRLF = 0L;
using (var ms2 = new MemoryStream())
{
using (var writer = new StreamWriter(ms2, Encoding.ASCII, bufferSize: 1024, leaveOpen: true))
{
writer.Write(text);
}
ms2.Seek(0, SeekOrigin.Begin);
lengthCRLF = ms2.Length;
var fileLF = IgesFile.Load(ms2);
Assert.Single(fileLF.Entities);
}
// verify that the file lengths were non-zero and not equal
Assert.NotEqual(0L, lengthLF);
Assert.NotEqual(0L, lengthCRLF);
Assert.NotEqual(lengthLF, lengthCRLF);
}
}
}
public void WriteOnlyNewlinesTest()
{
var file = new IgesFile();
file.Entities.Add(new IgesLine(new IgesPoint(0.0, 0.0, 0.0), new IgesPoint(1.0, 1.0, 1.0)));
using (var ms = new MemoryStream())
{
file.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(ms))
{
var text = reader.ReadToEnd();
Assert.DoesNotContain("\r", text);
}
}
}
public void RoundTripFileWithNonStandardDelimitersTest()
{
var file = new IgesFile()
{
FieldDelimiter = ';', // inverted field and record delimiters
RecordDelimiter = ',',
};
file.Entities.Add(new IgesLine(new IgesPoint(1.0, 2.0, 3.0), new IgesPoint(4.0, 5.0, 6.0)));
// write then re-read the file
using (var ms = new MemoryStream())
{
file.Save(ms);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
var file2 = IgesFile.Load(ms);
Assert.Equal(';', file.FieldDelimiter);
Assert.Equal(',', file.RecordDelimiter);
var line = (IgesLine)file.Entities.Single();
Assert.Equal(new IgesPoint(1.0, 2.0, 3.0), line.P1);
Assert.Equal(new IgesPoint(4.0, 5.0, 6.0), line.P2);
}
}