https://bugs.kde.org/show_bug.cgi?id=432758
Bug ID: 432758
Summary: Hi bitdepth gradients look weird when dithering is
off.
Product: krita
Version: git master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Color models
Assignee: krita-bugs-n...@kde.org
Reporter: griffinval...@gmail.com
Target Milestone: ---
Created attachment 135571
--> https://bugs.kde.org/attachment.cgi?id=135571&action=edit
rec 2020 image with first a dithered gradient, and then a non-dithered gradient
drawn on top of that.
SUMMARY
After the HDR patch got introduced, gradients that are
STEPS TO REPRODUCE
1. Make a 16bit or 32bit image.
2. Select gradient tool, turn off dithering.
3. Draw with gradient tool.
OBSERVED RESULT
For 16bit there will be 8pixel wide lines drawn vertically, for 32bit 4 pixel
wide lines, inbetween the lines there's transparency. Proly an itterator
somewhere that's sampling the X-axis incorrectly.
EXPECTED RESULT
The full column is filled in, like it does when you are dithering.
ASIDE
CMYK isn't working right either, I noticed it wasn't working properly before
(when doing SVG gradients stuff), but now it got even more messy.
SYSTEM INFORMATION:
Krita
Version: 5.0.0-prealpha (git c88c561)
Languages: en_US, en, en_GB, en, nl, en_US, en
Hidpi: true
Qt
Version (compiled): 5.15.2
Version (loaded): 5.15.2
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 5.4.0-60-generic
Pretty Productname: KDE neon User Edition 5.20
Product Type: neon
Product Version: 20.04
Desktop: KDE
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