Added possibility to inherit existing attributes if the same persistent fields are used. All methods that allow controlling the data model changes or getting some callbacks may be overridden in successor. They may have same GUIDs as a base class or new ones.
Special macros IMPLEMENT_DERIVED_ATTRIBUTE and IMPLEMENT_DERIVED_ATTRIBUTE_WITH_TYPE must be used instead of standard Handle macro definition IMPLEMENT_STANDARD_RTTIEXT to register new derived attributes.
Using this improvement several existing attributes from TDataStd, TDataXtd and XCAFDoc packages become inherited from other base attribute-classes. XML and Bin drivers of these attributes are removed. New base attribute classes are added: TDataStd_GenericEmpty and TDataStd_GenericExtString.
This improvement does not change both present formats Bin and XML documents. The obsolete Standard scheme is not changed at all.
- Package TPrsStd is moved into new toolkit TKVCAF. This is the only toolkit in OCAF that depends on visualization libraries.
- All persistent data stored in TPrsStd_AISPresentation attribute are moved to new attribute TDataXtd_Presentation, which is maintained automatically on the same label as TPrsStd_AISPresentation.
All parameters used by TPrsStd_AISPresentation are stored in corresponding TDataXtd_Presentation attribute.
- TPrsStd_AISPresentation is not stored in file any more; when OCAF document is loaded from a file, these attributes are created at all labels where TDataXtd_Presentation attribute is located, by TPrsStd_AISViewer::New().
- File src/StdResources/MigrationSheet.txt necessary for reading files written by previous versions of OCCT (lost in one of previous integrations) is restored and updated as necessary to handle this change (defines replacement of TPrsStd_AISPresentation by TDataXtd_Presentation). Environment variable CSF_MIGRATION_TYPES should be defined, pointing to this file.
- Packages BinMPrsStd and XmlMPrsStd are removed; their drivers are moved into BinMDataXtd and XmlMDataXtd respectively.
- Version numbers of BinOCAF and XmlOCAF formats are increased, new files cannot be read by previous versions of OCCT
- New tests added
- Adding new TKVCAF toolkit in sample projects
- Restore IsDisplayed(false) in TPrsStd_AISPresentation::Erase()
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
Wrong license statements corrected in several files.
Copyright and license statements added in XSD and GLSL files.
Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
