[NTG-context] issue with optical bounds (OpenType)

Hans Hagen j.hagen at xs4all.nl
Fri Dec 7 23:25:03 CET 2018


On 12/7/2018 9:14 PM, Pablo Rodriguez wrote:
> On 12/7/18 8:15 PM, Hans Hagen wrote:
>> On 12/7/2018 7:54 PM, Pablo Rodriguez wrote:
>>> Shouldn’t be the output from both methods be exactly the same?
>>
>> maybe you need to choose a script and/or language
> 
> Many thanks for your reply, Hans.
> 
> I modified the font myself and the Greek script is required and selected
> (with the Latin script, that OT opbd property doesn’t work at all).
> 
> The issue is that, although opbd values are used, that results from opbd
> and from single placement in addfeature are different (although LuaTeX
> reports the same values for lfbd).
because you implement it as kerning and not as opbd (protrusion is not 
kerning) ... you can try to change the name to "lfbd" (if you would 
enable lfbd as feature for sure you would get funny kerning so opbd 
picks up from those instead)


Hans

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