[HarfBuzz] harfbuzz: Branch 'master'

[Behdad Esfahbod]

On 13-08-08 05:02 AM, Jonathan Kew wrote:
> On 8/8/13 03:08, Behdad Esfahbod wrote:
>>   src/hb-coretext.cc |   65
>> ++++++++++++++++++++++++++++++++++++++++++++---------
>>   1 file changed, 54 insertions(+), 11 deletions(-)
>>
>> New commits:
>> commit a782a5e9a37c8733ac2830410a514d38635b543a
>> Author: Behdad Esfahbod <behdad at behdad.org>
>> Date:   Wed Aug 7 21:08:54 2013 -0400
>>
>>      [coretext] Start adding support for features
>>
>>      Unlike AAT, looks like with CoreText very few OT features can be mapped.
>>      :(
> 
> To set features in general, I think you need to create a new CTFont with the
> desired features and then apply this to a range of the attributed string; you
> can't set them directly on the string (because they're font-dependent, I
> guess; the fact that a couple of things -can- be specified that way is
> probably a legacy of the old NeXT text system, pre-dating font features as we
> now know them).

Yep.  I emailed the nice Apple people at the same time and that's what they
said.  I'll look into it.

behdad

> See CTFontCreateCopyWithAttributes, and the kCTFontFeaturesAttribute
> and kCTFontFeatureSettingsAttribute keys for
> CTFontDescriptorCreateWithAttributes. I'm still not sure how all OT features
> will be mapped, but this should let you reach a lot more features than the
> direct CFAttributedString approach.
> 
> JK
> 
> 

-- 
behdad
http://behdad.org/