Behdad Esfahbod

icon indicating a website link https://behdad.org/ icon indicating an email [email protected]

icon location Canada icon location Behdad Esfahbod is an Iranian-Canadian Software Engineer prominently known for his work on Open Source projects, including HarfBuzz & FontTools.

Results 1486 comments of Behdad Esfahbod

[skrifa] `trak` table not supported

> What does HB do when ptem is unset? Default to 12pt, which is what CoreText does.

Audit for code that can lead to excessive runtime with malicious/malformed data

Yes we have a budgets for a lot of operations. For cmap I think we skip anything outside valid Unicode range.

[Skrifa] Minor speedup to iup mechanism

Yeah, not supposed to be the final patch. I let Chad oxidize it.

charmap().mappings() and Cmap::from_mappings have different types

I think `write-fonts` shouldn't be in the business of policing what people put into the font file. If the format allows it, `write-font` should try to allow it IMO.

avar-2 support for TTFont.getGlyphSet()?

Yep, I think there's a couple other places too that need updating.

avar-2 support for TTFont.getGlyphSet()?

I'm working on this. Might take a few days to update all places.

avar-2 support for TTFont.getGlyphSet()?

I'm working on this right now. Should have ttFont done today for sure. WIP will go into: https://github.com/fonttools/fonttools/pull/3473

Add C++20 modules support

Can you please elaborate what the issue is? We compile HarfBuzz with c++20 to make sure it's compilable. > Modules are part of C++20 and should greatly increase compile times...

Add C++20 modules support

So if I understand correctly, you want us to add a `harfbuzz.ixx` that declares the module, then includes `hb.h` with `HB_EXTERN` defined to `extern`? What about the fact that modules...

Add C++20 modules support

Thanks. This is beyond me to experiment with right now. Let's keep the issue open to see if there are any volunteers.