https://bugs.kde.org/show_bug.cgi?id=469109
Bug ID: 469109
Summary: Gradient dither adds dither to areas which are
supposed to be transparent
Classification: Applications
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tools
Assignee: krita-bugs-n...@kde.org
Reporter: ra...@raghukamath.com
Target Milestone: ---
SUMMARY
Adding a gradient with dithering enabled adds dither to areas which are
transparent. The pattern really very transparent but it becomes obvious when
you duplicate the layer 10 to 15 times or just load a selection by selecting
opaque or ctrl clicking on layer thumbnail.
This pattern gives issues when other effects like mean removal or sharpening
are applied or if the layer has multiply blend mode.
This also makes the element larger and it becomes a hassle when transforming
things as small elements can actually be entire canvas.
STEPS TO REPRODUCE
1. Open a new document
2. Delete the background layer content to make the document with transparent
background
3. Add a small radial gradient in a corner anywhere with black colour. the
preset for the gradient is foreground to transparent.
4. Load a selection based on this layer by ctrl clicking on the layer thumbnail
or right click and do select opaque.
OBSERVED RESULT
Dithers are present across the canvas
EXPECTED RESULT
Dithering should only be present in place of colour and opaque region
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