tdf#121119 master docs at-page anchor: fix missing images

Images and other objects anchored at pages weren't imported
from the subdocuments, resulting broken master document.

Subdocuments are imported as sections of the master document,
but their objects anchored at page need a document-level copy,
not a section one. To calculate the new document-level page
number of the copied object, store and sum the page count
meta data of the previous subdocuments, added to the subdocument-
level page number of the object.

Note: the recent solution doesn't calculate with the own text
content of the master document yet. As a workaround, to get
the original page number exactly, store everything in subdocuments
before the objects anchored at page.

The problem is inherited from OpenOffice.org, see ooo#19131.

Change-Id: I0be80bb27442565764142d2b23b0f56a3421c035
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/180626
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>

0 files changed, 0 insertions, 0 deletions