[Libreoffice-ux-advise] [Bug 156087] Add an "all pages" view mode to Draw to scroll through all pages in canvas (without needing Page Pane)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=156087

V Stuart Foote <vsfoote at libreoffice.org> changed:

           What    |Removed                     |Added
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                 CC|                            |vsfoote at libreoffice.org

--- Comment #6 from V Stuart Foote <vsfoote at libreoffice.org> ---
Confirm that yes the sd canvas offers no multi-page view for Draw or Impress.
But would note that is the normal workflow OOo evolved. A drawing canvas or a
presentation slide is manipulated one at a time. The Page/Slide pane provides a
sorter that compliments that workflow.

Can not justify the dev effort that would be needed to provide a multi-page
canvas view for either Draw or Impress as there is no workflow that requires
the view.

IMHO => WF

Otherwise--to state the obvious--LibreOffice is not a PDF editor!  We import
via filter the elements making up the PDF publication and render them to
document canvas.

Depending on the import filter, we either parse content of the entire PDF into
ODF drawing objects placed on multiple pages, or we parse the content of a
single PDF page into a raster image placed onto a single ODF page.

That is the difference between the internal LO Import and our Insert filters.

The pdfium project based insert filter works one page at a time and currently
only the first page. The import filters work against the entire PDF and renders
the PDF pages as individual ODF drawing, presentation or text document pages
(select the corresponding filter for the module needed).

By default a PDF will filter import to Draw, pages of the PDF will render as
drawing pages.  Importing to Impress will render the PDF pages as presentation
slides.  The sd module's Pages or Slides pane give "filmstrip" style view of
the page/slide previews. Once imported, you can delete a Draw page or Impress
slide.

When import to a Writer ODF text document, the drawing objects from the PDF
will be placed onto document pages. Normal 'Single-page', 'Multi-page', and
'Book'  view modes of the document are available familiar to other PDF readers.
You can select and delete page content/pages from Writer as well.

Additional work is needed for both import and insert filters to be able to
select a range of pages from a PDF (e.g. bug 114234).

While publishing document content back from LO to PDF is an entirely different
set of print filters.  And while you can overwrite the original PDF, it is
ill-advised as it is highly destructive!

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