Re: [ft-devel] loading fonts with signature 'OTTO'

[Ken Sharp]

At 13:40 05/03/2010 +0000, Graham Asher wrote:


> Does anyone know whether FreeType supports fonts with the signature (first 
> 4 bytes) 'OTTO', and if so, which drivers are needed, and in which version 
> was support added for this format? I have googled for some time, and 
> experimented with various drivers, but without success, so forgive me for 
> asking: the answer isn't obvious to me.

OTTO fonts are OpenType fonts, these may contain *either* TrueType or CFF 
glyph programs.

I have to say that I'm not certain if FreeType handles these directly, our 
own code interrogates the font and passes the glyph information to the 
appropriate FT interpreter.

See also:

http://www.freetype.org/freetype2/docs/ft2faq.html#other-opentype
http://www.freetype.org/freetype2/index.html
http://www.freetype.org/freetype2/docs/reference/ft2-ot_validation.html

                        Ken