Bug 479125 - transparent sixels not transparent
Summary: transparent sixels not transparent
Status: CONFIRMED
Alias: None
Product: konsole
Classification: Applications
Component: emulation (show other bugs)
Version: unspecified
Platform: Other Linux
: NOR normal
Target Milestone: ---
Assignee: Konsole Developer
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-12-28 16:21 UTC by panjea.developers
Modified: 2024-03-23 01:34 UTC (History)
0 users

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Description panjea.developers 2023-12-28 16:21:33 UTC 
SUMMARY
***
Konsole is missing support for sixels with transparency, for both sixels over sixels and sixels over text.
***


STEPS TO REPRODUCE
1. create a gif with ImageMagick:  convert a.png a.gif
2. img2sixel -o a.six a.gif
3. python -c 'fixed=open("a.six").read().replace("Pq", "P0;1;0q"); open("b.six","w").write(fixed)'
4. cat b.six

OBSERVED RESULT
sixel has black background

EXPECTED RESULT
sixel background should be transparent

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 22.04
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
Note: works properly in Foot terminal:
https://codeberg.org/dnkl/foot/issues/391