static
bool Read3dmUserDataHeader( const size_t offset, ON_BinaryArchive& file, ON_TextLog& dump )
{
// TCODE_OPENNURBS_CLASS_USERDATA chunks have 2 uuids
// the first identifies the type of ON_Object class
// the second identifies that kind of user data
ON_UUID userdata_classid = ON_nil_uuid;
ON_UUID userdata_itemid = ON_nil_uuid;
bool rc = file.ReadUuid( userdata_classid );
if ( !rc )
{
ErrorReport(offset,"ReadUuid() failed to read the user data class id.",dump);
}
else
{
dump.Print("UserData class id = ");
dump.Print( userdata_classid );
const ON_ClassId* pUserDataClassId = ON_ClassId::ClassId(userdata_classid);
if ( pUserDataClassId )
{
const char* sClassName = pUserDataClassId->ClassName();
if ( sClassName )
{
dump.Print(" (%s)",sClassName);
}
}
dump.Print("\n");
rc = file.ReadUuid( userdata_itemid );
if ( !rc )
{
ErrorReport(offset,"ReadUuid() failed to read the user data item id.",dump);
}
else
{
dump.Print("UserData item id = ");
dump.Print( userdata_itemid );
dump.Print("\n");
int userdata_copycount = -1;
rc = file.ReadInt( &userdata_copycount );
if ( !rc )
{
ErrorReport(offset,"ReadInt() failed to read the user data copy count.",dump);
}
else
{
ON_Xform userdata_xform;
rc = file.ReadXform( userdata_xform );
if ( !rc )
{
ErrorReport(offset,"ReadXform() failed to read the user data xform.",dump);
}
}
}
}
return rc;
}
bool ON_BezierCageMorph::Read(ON_BinaryArchive& archive)
{
int major_version = 0;
int minor_version = 0;
bool rc = archive.BeginRead3dmChunk(TCODE_ANONYMOUS_CHUNK,&major_version,&minor_version);
if ( rc )
{
if ( major_version != 1 )
rc = false;
if (rc)
rc = archive.ReadXform(m_xyz2rst);
if(rc)
rc = m_rst2xyz.Read(archive);
if ( !archive.EndRead3dmChunk() )
rc = false;
}
return rc;
}
ON_BOOL32 ON_InstanceRef::Read(
ON_BinaryArchive& binary_archive
)
{
int major_version = 0;
int minor_version = 0;
bool rc = binary_archive.Read3dmChunkVersion(&major_version,&minor_version);
if ( rc )
{
if ( major_version != 1 )
rc = false;
if (rc )
rc = binary_archive.ReadUuid( m_instance_definition_uuid );
if ( rc )
rc = binary_archive.ReadXform( m_xform );
if ( rc )
rc = binary_archive.ReadBoundingBox( m_bbox );
}
return rc;
}
