private void Flush()
{
if (uncompressedStream == null)
{
return;
}
fileWriter.Write(MatfileHelper.MatlabDataTypeNumber(typeof(ZlibStream)));
byte[] compressedBuffer = ZlibStream.CompressBuffer(uncompressedStream.ToArray());
fileWriter.Write((UInt32)compressedBuffer.Length);
fileWriter.Write(compressedBuffer);
uncompressedStream = null;
}
private void WriteFlags(Type arrayElementDataType)
{
//write 4 values for flag block
//Array flags use uint32 data type
writeStream.Write(MatfileHelper.MatlabDataTypeNumber(typeof(UInt32)));
//flag block length (always 8)
writeStream.Write((int)8);
//array class
writeStream.Write(MatfileHelper.MatlabArrayTypeNumber(arrayElementDataType));
//padding (always 0)
writeStream.Write((int)0);
}
private void WriteDimensionsPlaceholder()
{
//data type contained in dimensions subelement: Int32
writeStream.Write(MatfileHelper.MatlabDataTypeNumber(typeof(Int32)));
//always 8 bytes long
writeStream.Write((int)8);
//store position, so we can later overwrite these 2 placeholders
dimensionsStartPosition = writeStream.BaseStream.Position;
//placeholder for first dimension
for (int i = 0; i < dimensions.Length * MatfileHelper.MatlabBytesPerType(typeof(Int32)); i++)
{
writeStream.Write((byte)0xee);
}
totalPaddingAdded += writeStream.AdvanceTo8ByteBoundary();
}
private void WriteName(string name)
{
//write 4 values for name block
//data type contained in name block (always 1)
writeStream.Write(MatfileHelper.MatlabDataTypeNumber(typeof(SByte)));
//size (without padding!)
int nameLength = name.Length;
writeStream.Write((int)nameLength);
//write name itself
for (int i = 0; i < nameLength; i++)
{
writeStream.Write((byte)name[i]);
}
totalPaddingAdded += writeStream.AdvanceTo8ByteBoundary();
}
