Some basic code for push/pop events of the graphic stacks.
Each draw/fill action is also transferred to the currend state.
The implementation follows the one from the old parser.

Change-Id: Ib6411046801023dfa72b16038a9e8ede4c628942
Reviewed-on: https://gerrit.libreoffice.org/40867Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>