[Okular-devel] [Bug 161324] recognise columns in the text of a page

[uetsah]

https://bugs.kde.org/show_bug.cgi?id=161324





--- Comment #38 from uetsah <uetsah googlemail com>  2010-09-17 13:03:37 ---
(In reply to comment #31)
> Indeed, evince does not support text selection in the horde of document formats
> that Okular does, our selection might be better or worse but it is [mostly]
> consisten among document formats.

Supporting multiple document formats consistently is great, but won't it be
possible to still allow certain features to only be supported by some document
formats and not others? Or to be implemented differently for each backend,
where it makes sense?

The text selection user interface could still stay the same for every format,
but in the background it could use whatever algorithms each respective backend
provides for reading or guessing text layout structure.

So in case of PDF documents, the backend would use Poppler's heuristic
algorithms. In case of OpenDocument documents, the backend would use the
structural information already available in the document file. And so on...

Of course there could also be a generic algorithm that guesses the text
structure independently of the document format, but as I understand it, that
would be much more work...

Btw, I personally think that even with this feature missing, Okular is still
best PDF viewer out there, so thanks for the great work and for giving it away
for free... :-)
If this feature is not on your priority list, that's of course totally fine,
but please maybe still consider it for the future, just in case one day you're
bored and don't know anything else to implement... ;-)

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