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

--- Comment #22 from Dmitry Kazakov <dimul...@gmail.com> ---
Git commit ab20233c0a89704f06c0077d9e63bb45eb1379ba by Dmitry Kazakov.
Committed on 01/05/2020 at 09:42.
Pushed by dkazakov into branch 'master'.

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/ab20233c0a89704f06c0077d9e63bb45eb1379ba

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