Imcat seem to show wrong/broken fonts within image

[eabase]

I used the update and more friendly fork from belfner:

• https://github.com/belfner/imcat

However, both versions suffer from some weird Font issues.

Here is a comparison of how this imcat renders in Powershell (pwsh) versus in Cygwin BAsh (which uses Sixel).

[TIP] On the LEFT this Windows exe in Windows Terminal + Powershell), and on the RIGHT (Cygwin/Mintty Bash)

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And here are both shown in Cygwin/Mintty/Bash:

• 1st using this MSVC VS2022 compiled imcat,
• 2nd using the showimage script to directly display image (as Mintty is Sixel compatible.)

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Any idea what's going on?

@belfner Please can you send PR to this place? Would be cool if you could enable your issues there...