HarfBuzz shaping support

pdf-raku / PDF-Font-Loader-raku

Font loader for the PDF tool-chain

Artistic License 2.0

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Closed dwarring closed 5 months ago

dwarring commented 1 year ago

HarfBuzz does both shaping and font selection. It seems to be easiest to implement as be a variation of identity-h encoding.

kerning also needs to be taken over by the encoder. It's enabled by turning on the :kern feature in HarfBuzz fonts.

dwarring commented 5 months ago

Latest version has a shape() method, which includes a :kern option.