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Re: Definition of 'shaping engine'? (Or, what is HarfBuzz?)
A bit more generally, a shaping engine is used wherever Unicode text is displayed, so not just word processors and page layout applications but also web browsers, mobile apps, embedded systems (e.g. …1 -
Re: How to access alternates through CSS
In CSS it is also possible to apply an OpenType langsys as an excplicit override to document language tagging. So even if a document is not correctly tagged, if you know how you want it to be present…3 -
Re: Excluding Small Caps from Ligatures
Another way to think about this is to say that features are not ‘processed’ at all, they are only active or inactive, and the active features determine which lookups are processed. This is nicely evi…1 -
Re: Excluding Small Caps from Ligatures
Layout engines process features in blocks, the specifics of which depend on the shaping model used for the glyph run as itemised according to Unicode script properties.* So, for example, the features…3 -
Re: Excluding Small Caps from Ligatures
In this case, it is lookup order that matters. The liga and smcp features are applied simultaneously by layout engines, so what affects the outcome is the ordering of the lookups associated with the …3
