[okular] [Bug 470174] 40 Characters Annotation consuming 20MB

[Sune Vuorela]

https://bugs.kde.org/show_bug.cgi?id=470174

Sune Vuorela <kde at pusling.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kde at pusling.com

--- Comment #2 from Sune Vuorela <kde at pusling.com> ---
There are at least 3 different fixes needed here.
Poppler (The pdf library used by okular) does not currently compress streams
(font data) on saving. There is a very recent open merge request to address
that.

There is also less space consuming ways of storing font widths in pdf. There is
also a very recent open merge request to address that against poppler.

The pdf standard also supports the concept of only storing a font subsets so
all of the above don't happen with the full font, but only font info for those
needed. That is probably a major task and no current work is happening here.

Using a different font than Noto could also make it grow less. That would be up
to the usability people to change the default. But from a user perspective you
could want to do that.

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