[vim/vim] sixel: treat mostly-transparent RGBA pixels as transparent (PR #20477)

[mattn]

Emit pixels with alpha < 128 as the transparent palette index. Rendering them opaque showed the anti-aliased fringe of an RGBA image as bright dots around the image.

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You can view, comment on, or merge this pull request online at:

  https://github.com/vim/vim/pull/20477

Commit Summary

• 19b439e sixel: treat mostly-transparent RGBA pixels as transparent

File Changes

(1 file)

• M src/sixel.c (28)

Patch Links:

• https://github.com/vim/vim/pull/20477.patch
• https://github.com/vim/vim/pull/20477.diff

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