public PCXRWriterBuffered(string fullName, PCXRHeader header)
{
_FullName = fullName;
_NumberOfPoints = header.NumberOfPoints;
_Header = header;
if (File.Exists(fullName))
{
File.Delete(fullName);
}
_NumberOfPointsToBuffer = (int)_NumberOfPoints - 1;
int bufferSize = _NumberOfPointsToBuffer * _Header.Stride * sizeof(float);
_Buffer = new byte[bufferSize];
_BufferSpill = _NumberOfPoints % (uint)_NumberOfPointsToBuffer;
if (_NumberOfPoints <= _NumberOfPointsToBuffer)
{
_UseBuffer = false;
}
_StreamWriter = File.Create(fullName);
WriteHeader();
}
public PCXRWriter(string fullName, PCXRHeader header)
{
_FullName = fullName;
_Header = header;
_Writer = new BinaryWriter(File.Open(_FullName, FileMode.Create));
WriteHeader();
}
public PCXRReaderIO(string fullName, PCXRHeader header)
{
if (File.Exists(fullName))
{
_FilePath = fullName;
_NumberOfPointsToBuffer = header.NumberOfPoints;
_Header = header;
_BytesToReadIntoPointsBuffer = (int)(_Header.Stride * sizeof(float) * _NumberOfPointsToBuffer);
_ReadBuffer = new byte[_BytesToReadIntoPointsBuffer + _Header.GetHeaderSizeInBytes()];
ReadFile();
}
else
{
throw new FileNotFoundException(fullName + " not found");
}
}
public PCXRReader(string fullName, uint numberOfPointsToBuffer)
{
if (File.Exists(fullName))
{
_FilePath = fullName;
_NumberOfPointsToBuffer = numberOfPointsToBuffer;
_Header = new PCXRHeader();
_Header.ReadHeader(fullName);
_BytesToReadIntoBuffer = (int)(_Header.Stride * sizeof(float) * _NumberOfPointsToBuffer);
_FileStream = File.OpenRead(_FilePath);
_Header.OffsetToPointData = 92;
_FileStream.Seek(_Header.OffsetToPointData, SeekOrigin.Begin);
_Buffer = new byte[_BytesToReadIntoBuffer];
FillBuffer();
}
else
{
throw new FileNotFoundException(fullName + " not found");
}
}
