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- introduces a wrapper for setting up highlight properties: Graphic3d_HighlightStyle; - API of all methods that use highlight or selection color is changed to deal with Graphic3d_HighlightStyle; - highlight in shading mode now supports transparency, implemented via blending; - transparency for selection can also be set, but implementing custom entity owners with additional presentation on application level; - methods PrsMgr_PresentationManager::Highlight, PrsMgr_PresentationManager::BoundBox that highlight object with hard-coded color are removed; - deprecated methods of SelectMgr_EntityOwner, that use presentation manager's highlight method, were removed; - methods of IsHilighted AIS context with selection color checks were replaced; - added API to store dynamic and selection highlight to Prs3d_Drawer class; - customization of dynamic and selection highlight for particular objects is now available through SelectMgr_SelectableObject::HilightAttributes(); - AIS_InteractiveContext highlight methods were updated to support individual highlight styles of interactive objects; - introduced new command - vselprops, that allows to customize global selection and highlight properties like autoactivation, pixel tolerance and colors; - Draw Harness commands vautoactivatesel and vselprecision were removed, use vselprops instead; - fixed bug in command's parser; - test case for issue #27818