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[Krzysztof <question241313@xxxxxxxxxxxxxxxxxxxxx>]

Question #241313 on qpdfview changed:
https://answers.launchpad.net/qpdfview/+question/241313

    Status: Answered => Open

Krzysztof is still having a problem:
Hi, again!

I saw the option in any book reader for Android. Most of them are based 
on Evince code but in Evince te option doesn't exist.
Sometimes I use Okular for KDE. There is an option to set default 
background color.
Maybe creating an option for setting default background color and font 
color is possible.

Best regards,
Krzysztof

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V.M.C. Soft & Hardware Krzysztof Stępień
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On 27.12.2013 08:41, Adam Reichold wrote:
> Your question #241313 on qpdfview changed:
> https://answers.launchpad.net/qpdfview/+question/241313
>
>      Status: Open => Answered
>
> Adam Reichold proposed the following answer:
> Hello Krzysztof,
>
> thank you for your suggestions. But I don't think this is possible since
> the page content is mostly opaque for us, i.e. we just get the finished
> rendering from the backends without the ability to discern what is text
> and what is image, hence barring some impossible to maintain heuristics,
> we can only invert everything or nothing. Sorry.
>
> Best regards, Adam.
>

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