[Okular-devel] [Bug 156892] PDF are painfully very slow after changing colors for accessibility

[Igor Cappello]

https://bugs.kde.org/show_bug.cgi?id=156892


Igor Cappello <igorkey at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |igorkey at gmail.com




--- Comment #4 from Igor Cappello <igorkey gmail com>  2009-10-22 14:49:43 ---
I am in a similar situation: without inverted colors, scrolling is smooth. As
soon as inverted colors are activated (white text on black background),
scrolling and changing pages happen after a lag of about 1-2 seconds.

My environment:
kernel 2.6.31 (patched by gentoo)
xorg-server 1.6.3.901-2
qt 4.5.2
kde 4.3.2
okular settings: color mode "invert colors". Other settings seem to be
unrelated.

The lag seems directly linked to the used zoom level (more zoom -> more lag).

In the same environment, the same document opened with kpdf (kde 3.5.10)
scrolls with no lag at all.

If other information is needed, just ask.

regards,
Igor

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