https://bugs.kde.org/show_bug.cgi?id=437270
Ahab Greybeard <ahab.greybe...@hotmail.co.uk> changed:
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--- Comment #1 from Ahab Greybeard <ahab.greybe...@hotmail.co.uk> ---
Created attachment 138531
--> https://bugs.kde.org/attachment.cgi?id=138531&action=edit
HSV-filter effect demo .kra file
I can confirm this behaviour for the 4.4.3 and the May 17 5.0.0-prealpha (git
6e3a7c7) appimages.
It's a recent regression because 4.4.2 does not show this behviour.
It's a 'cosmetic' effect in the Advanced Colour Selector. The Specific Colour
Selector and the foreground colour icon on the Toolbar show the correct colour.
The Advanced Colour Selector shows the correct SV dot location in the SV
triangle but the triangle colour tone becomes 'locked' to a previous
non-HSV-processed colour sample (or it doesn't update for an HSV-processed
colour sample).
It happens with the Colour Selector Tool and the Ctrl+click selector.
When using the HSV filter with the Colourise option, the Saturation slider
should be set to about 50 (not critical) and the Hue slider must be left at 0.
If Hue is set to 1 or more, the effect does not happen.
The effect persists after saving the image as a .kra file and opening the .kra
file.
Strangely, the effect is also seen in an exported .png file if that is opened
and sampled.
I attach a .kra file and its exported .png image for demonstration purposes.
The red toned lines at the top were produced using the HSV filter as described
above on a set of various coloured lines.
The coloured lines below were painted on afterwards.
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