Re: [ft-devel] Font that freetype doesn't want to open

[Albert Astals Cid]

El Dilluns, 21 de setembre de 2015, a les 13:32:18, suzuki toshiya va 
escriure:
> Dear Albert,
> 
> As
> http://www.microsoft.com/typography/otspec/otff.htm#otttables
> says, hmtx is "required" table for self standing font.
> 
> Also
> https://partners.adobe.com/public/developer/en/font/5012.Type42_Spec.pdf
> says, hmtx is "required" table for Type42 embedded font in
> PostScript, and it is also required by CIDFontType2 in PDF, too.
> (see
> http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/pdf_reference_
> 1-7.pdf p.468).
> 
> However, I don't know how Adobe Reader handles a PDF
> including such font.  Yet I'm not sure whether FreeType2
> should care, or, poppler should, but, if Adobe Reader opens
> it without any font substitution, some fallback should
> be considered.  Where can I obtain a sample PDF?

If the font is "unfixable", i guess FreeType is doing the correct thing and 
just failing, i thought poppler had a "if freetype fails try to get a font 
from fontconfig", but i'm either wrong or there's a bug in that codepath.

File can be obtained at https://bugs.freedesktop.org/show_bug.cgi?id=92017

Cheers,
  Albert

> 
> Regards,
> mpsuzuki
> 
> Werner LEMBERG wrote:
> >>> (this is tracing data from the current FreeType git version).
> >> 
> >> So you're saying we should try to load some other substitute font if
> >> we encounter the font that i sent in the first email, right?
> > 
> > Yes, since the font is broken and can't be sanitized by FreeType.
> > 
> >     Werner
> > 
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