[Poppler-bugs] [Bug 66928] 100% CPU usage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66928

--- Comment #23 from Thomas Freitag <Thomas.Freitag at alfa.de> ---
Created attachment 84195
  --> https://bugs.freedesktop.org/attachment.cgi?id=84195&action=edit
use getRGBLine, getCMYKLine and getDeviceNLine in case of images if they ara
available

I finished my qork quicker than expected, so I had some time to look into it
already, and here is the patch.
Yes, Albert, You were true (as always): the usage of getRGBLine speed up the
rendering in case of images. I think that at least lcms2 does than some caching
internally. But to complete it also in the CMYK and DeviceN area, we need for
them the correcponding functions, too. So this patch does not only use
getRGBLine in SplashOutputDev, but it also implements the other needed
functions.

And even if I still think we need the cache i.e. for the getRGB() function,
I've removed it from this patch, because we don't need it to solve this bug
now. On the other hand I don't mark it as obsolete, it's up to You, Albert, to
think once again about it.

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