[Libreoffice-bugs] [Bug 117608] Unbearable slow layout/UI refresh

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=117608

--- Comment #3 from Kochise <david.koch at 9online.fr> ---
Created attachment 142758
  --> https://bugs.documentfoundation.org/attachment.cgi?id=142758&action=edit
Problematic file, real-life example

This is the file I was working on, yet a lighter one since I removed about 20
pages. I edited it on a Dell Vostro 3555, AMD A8-3500M APU @ 1.5-2.4GHz with
8GB RAM, 2TB SSHD, Windows 7 Pro x64 configured for maximum performances.

Go around page 88-89 and scroll up-down, observe the impossibly slow rendering
with color tearing (original pictures comes from a doc file and were edited
using Visio). Try editing text, adding/moving pictures.

Notice on page 82, legend 'Dessin 26' is on top instead of bottom. Same on page
84 for legend 'Dessin 29'. Try moving a bit pictures on page 84, change their
anchor and/or text wrapping attributes. See what happens.

On page 89, not the useless void between the graphic and the legend. Had to
narrow/hide the 'Dessin 38' legend to make it fit into the page. You cannot
change a image/picture's size easily when it have a legend.

Save and see how long it takes. Export in PDF (you have to uncheck 'General
form' otherwise the resulting file is corrupted) and see how long it takes.
Open the generated PDF and see how fast it is.

In Draw, if you open a PDF file to import some elements into the Writer
document (I converted my DOC into PDF, opened it in Draw to copy the Visio
pictures), when some pages are in landscape, all the pages are loaded in
landscape

What happens then is that the content of portrait pages goes out of the pages.
Carefully selecting several elements with a click-drag-release can be tedious
procedure subject to fail if not pixel perfect aligned.

Etc.

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