Differential D21529

Fix slow posterize
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Authored by surt on Jun 1 2019, 10:55 PM.

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Reviewers
rempt
Group Reviewers
Krita
Commits
R37:d2e9a09bc14e: Fix slow posterize filter
R37:e7dfe7a10f63: Fix slow posterize filter
Summary

As discussed here: https://forum.kde.org/viewtopic.php?f=139&t=161010

Move the colour transformation creation out of the transform function into the constructor so posterize is back to interactive speed.

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R37 Krita
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surt requested review of this revision.Jun 1 2019, 10:55 PM
surt created this revision.
rempt accepted this revision.Jun 3 2019, 8:27 AM
rempt added a subscriber: rempt.

Yes, this is definitely an improvement.

This revision is now accepted and ready to land.Jun 3 2019, 8:27 AM
Closed by commit R37:d2e9a09bc14e: Fix slow posterize filter (authored by rempt). · Explain WhyJun 4 2019, 7:42 AM
This revision was automatically updated to reflect the committed changes.

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plugins/filters/posterize/posterize.h

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plugins/filters/posterize/posterize.cpp

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