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Read the Family Alignment Zones parameter as postscriptFamilyBlues and postscriptFamilyOtherBlues - #1215
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The Regression Tests failure is the intended change: JetBrains Mono uses "Family Alignment Zones", so each of its 6 master UFOs now gets |
anthrotype
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anthrotype
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Thanks, this looks good!
One thing about the round trip though. Glyphs.app ignores the postscriptFamilyBlues/postscriptFamilyOtherBlues custom parameters (I checked with a native 3.5 export), so after Glyphs -> UFO -> Glyphs the file no longer has any family blues as far as Glyphs is concerned.
On main the original "Family Alignment Zones" parameter survives in the UFO lib, so this would be a regression for anyone exporting a round-tripped file from Glyphs.
Maybe the FamilyAlignmentZonesParamHandler.to_glyphs could rebuild the zones from the family blues instead, as to_glyphs_blue_values does for the master zones, and the two postscriptFamily* handlers would no longer write them to Glyphs as custom parameters. A round-trip test would be good too. Happy to merge after that.
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Thanks for the review! I've addressed it now: |
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Glyphs' font-wide "Family Alignment Zones" parameter is not read today: it ends up in the UFO lib, and fonts built with fontmake have no FamilyBlues. This splits its zones as the alignment zones of a master are split (zones below the baseline go to
postscriptFamilyOtherBlues). It reads both the Glyphs 2 form ("{pos, size}"strings) and the Glyphs 3 form ({pos, size}dicts).blues_from_alignment_zones()inblue_values.pyis now shared by the master zones and this parameter, as the TODO incustom_params.pysuggests.postscriptFamilyBlues/postscriptFamilyOtherBluesparameters still take precedence, and still carry the values back to Glyphs. A Glyphs → UFO → Glyphs round trip therefore writes the zones as those two parameters rather than as "Family Alignment Zones".