https://bugs.freedesktop.org/show_bug.cgi?id=80855

          Priority: medium
            Bug ID: 80855
          Assignee: libreoffice-bugs@lists.freedesktop.org
           Summary: FILESAVE: "PNG export" reformats whole document
          Severity: normal
    Classification: Unclassified
                OS: Windows (All)
          Reporter: s...@jensbruhn.de
          Hardware: Other
        Whiteboard: BSA
            Status: UNCONFIRMED
           Version: 4.2.5.2 release
         Component: Writer
           Product: LibreOffice

I want to export all pages of a large ODT Document to single PNG files.
Important is a fast export of the first page to improve the user experience.

So I wrote a macro which uses jumpToPage and storeToURL with the
“writer_png_Export” filter. This all works. But slow for large documents. It
looks like the storeToURL reformats the whole document for every page export. I
think, this shouldn’t be necessary.

It’s the same behaviour without macro. I open my large ODT file, so I can see
the first page. Looks fine. Now I open menu, choose export/png. Now it
reformats the whole document. Then it asks for the size and after that, it
reformats the document again. Why? The first page is already shown and the
export just takes the first page, so why is there a double reformat of the
document? I think, this is a performance eating bug.


Operating System: Windows 7
Version: 4.2.5.2 release

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