bool ON_CheckSum::Write(ON_BinaryArchive& archive) const
{
bool rc = false;
if ( archive.Archive3dmVersion() < 4 )
{
// V3 files had other information
// 48 bytes of zeros will work ok
unsigned char b[48];
memset(b,0,sizeof(b));
rc = archive.WriteByte(48,b);
}
else
{
rc = archive.WriteBigSize(m_size);
if (rc)
rc = archive.WriteBigTime(m_time);
if (rc)
rc = archive.WriteInt(8,&m_crc[0]);
}
return rc;
}
bool ON_CompressedBuffer::Write( ON_BinaryArchive& binary_archive ) const
{
bool rc = binary_archive.BeginWrite3dmChunk(TCODE_ANONYMOUS_CHUNK,1,0);
if ( !rc )
return false;
for(;;)
{
rc = binary_archive.WriteSize(m_sizeof_uncompressed);
if (!rc)
break;
rc = binary_archive.WriteSize((m_buffer_compressed && m_sizeof_compressed>0) ? m_sizeof_compressed : 0);
if (!rc)
break;
rc = binary_archive.WriteInt(m_crc_uncompressed);
if (!rc)
break;
rc = binary_archive.WriteInt(m_crc_compressed);
if (!rc)
break;
rc = binary_archive.WriteInt(m_method);
if (!rc)
break;
rc = binary_archive.WriteInt(m_sizeof_element);
if (!rc)
break;
if ( m_buffer_compressed && m_sizeof_compressed > 0 )
{
rc = binary_archive.WriteByte(m_sizeof_compressed,m_buffer_compressed);
if (!rc)
break;
}
break;
}
if ( !binary_archive.EndWrite3dmChunk() )
rc = false;
return rc;
}
BOOL ON_UnknownUserData::Write( ON_BinaryArchive& file ) const
{
return file.WriteByte(m_sizeof_buffer,m_buffer);
}
