[Okular-devel] Review Request: Add greedy preloading option

[Sebastian Rose]

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http://git.reviewboard.kde.org/r/103129/
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Review request for Okular.


Description
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After discovering that the aggressive behaviour in okular is not that aggressive at all (preloads only the next 2 pages) I've written the attached patch to add a "Greedy" option. It preloads every page into memory.


Diffs
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  conf/dlgperformance.cpp fd0e30b 
  conf/dlgperformancebase.ui b022f56 
  conf/okular.kcfg cff5ea5 
  core/document.cpp b3ddb46 
  ui/pageview.cpp 0c0ff98 
  ui/presentationwidget.cpp 7c3f618 

Diff: http://git.reviewboard.kde.org/r/103129/diff/diff


Testing
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Tested it on my local system, I'm using the modified okular with the new greedy option checked and don't have any issues so far. The memory requirement for a 580 page (color) PDF file is about 1 GiB, the bulk of it for the pixmaps. Other (e.g. unloading) behaviour is like "Aggressive". It takes a while for the whole document to be prerendered but after that it works as expected.


Thanks,

Sebastian Rose

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