/// <summary> Called after setting data, before writing to os </summary>
int ComputeCrc()
{
Zlib.CRC32 crcengine = PngHelperInternal.GetCRC();
crcengine.Reset();
crcengine.Update(IdBytes, 0, 4);
if (Len > 0)
{
crcengine.Update(Data, 0, Len);
}
return((int)crcengine.GetValue());
}
public int ComputeCrc()
{
CRC32 cRC = PngHelperInternal.GetCRC();
cRC.Reset();
cRC.Update(IdBytes, 0, 4);
if (Length > 0)
{
cRC.Update(Data, 0, Length);
}
return((int)cRC.GetValue());
}