private bool writeHeaderOK(TiffHeader header)
{
bool res = writeShortOK(header.tiff_magic);
if (res)
res = writeShortOK(header.tiff_version);
if (res)
res = writeIntOK((int)header.tiff_diroff);
return res;
}
private bool readHeaderOk(ref TiffHeader header)
{
bool res = readShortOK(out header.tiff_magic);
if (res)
res = readShortOK(out header.tiff_version);
if (res)
res = readUIntOK(out header.tiff_diroff);
return res;
}