https://bugs.kde.org/show_bug.cgi?id=375253

Boudewijn Rempt <b...@valdyas.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|https://commits.kde.org/kri |https://commits.kde.org/kri
                   |ta/f7c4c823a80d8eab6b2e1f05 |ta/f3bcd6c57aae1a93b4d25644
                   |3de81e04e7303f1c            |2ee38c2ae32be9fe
                   |https://commits.kde.org/kri |https://commits.kde.org/kri
                   |ta/f3bcd6c57aae1a93b4d25644 |ta/3091f39a5e96ee73e6a156ac
                   |2ee38c2ae32be9fe            |f3ce64bd744c7df8

--- Comment #18 from Boudewijn Rempt <b...@valdyas.org> ---
Git commit f3bcd6c57aae1a93b4d256442ee38c2ae32be9fe by Boudewijn Rempt.
Committed on 22/01/2017 at 14:40.
Pushed by rempt into branch 'krita/3.1'.

Weirdly enough, this bug only occurs on Windows 10 with the latest
Wacom drivers and an older Wacom Intuos 3 or Cintiq tablet. At least,
that's what we suspect. Somehow the input from this drivers drives
the roation sensor crazy, and set rotation to NaN.

So, first step: check whether the resulting rect is valid, we now return
a 0,0 1x1 rect.

Second step: check whether the rotation value happens to be NaN and
return 0 in that case.

Third step: make sure that the rotationLikeValue() function doesn't return
NaN -- that is in the next commit.

M  +43   -27   libs/brush/kis_qimage_pyramid.cpp

https://commits.kde.org/krita/f3bcd6c57aae1a93b4d256442ee38c2ae32be9fe

--- Comment #19 from Boudewijn Rempt <b...@valdyas.org> ---
Git commit 3091f39a5e96ee73e6a156acf3ce64bd744c7df8 by Boudewijn Rempt.
Committed on 22/01/2017 at 14:40.
Pushed by rempt into branch 'krita/3.1'.

This follows up on the previous commit
(ac257511dbec0a3191bbfdde9d886b70ec6ad574),
which had the wrong header... It wasn't a bug in QTransform, because
if you set the transform's rotation to NaN, sure, it'll create an
invalid rectangle.

M  +6    -4    plugins/paintops/libpaintop/kis_curve_option.h
M  +0    -1    plugins/paintops/libpaintop/kis_pressure_hsv_option.cpp

https://commits.kde.org/krita/3091f39a5e96ee73e6a156acf3ce64bd744c7df8

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