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sixel: clamp pan/pad to 5

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Pad is always (in real life) 1, and no-one should be setting pan to
anything larger than 5 (the largest value possible to set with the
sixel init parameters). FWIW, no-one really uses anything but 1 here
either.

Clamping ensures we don't blow up allocations to something huge, or
worse, trigger an overflow that results in a pixel height of 0,
causing a division-by-zero.

Closes #2371
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Daniel Eklöf 2026-06-12 18:00:20 +02:00
parent 35f30e6451
commit c9c448e611
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@ -78,8 +78,10 @@
after a cursor move ([#2383][2383]).
* Dracula theme updated to latest official, and light theme alucard
added.
* Sixels: pan/pad clamped to 5 ([#2371][2371]).
[2383]: https://codeberg.org/dnkl/foot/issues/2383
[2371]: https://codeberg.org/dnkl/foot/issues/2371
### Deprecated