https://bugs.kde.org/show_bug.cgi?id=395861

--- Comment #23 from Dmitry Kazakov <dimul...@gmail.com> ---
Git commit 75430a75cdf49b84519b1664c4fdcf3cc93d742b by Dmitry Kazakov.
Committed on 01/05/2020 at 09:44.
Pushed by dkazakov into branch 'krita/4.3'.

Fix KisScanlineFill not to tounch point (0,0) on every fill

This patch fixes wery slow application of Magic Wand tool on big images.
The slowdown happened because KisScanlineFill write-accessed every dst
device at position (0,0), when initialized random accessors. It resulted
in dst device extent growing too much, therefore a lot of empty pixels
had to be porcessed at the later stages of contiguous selection.

M  +48   -47   libs/image/floodfill/kis_scanline_fill.cpp

https://invent.kde.org/kde/krita/commit/75430a75cdf49b84519b1664c4fdcf3cc93d742b

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