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Fix macOS warning about hhea table (#977).

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be5invis 2021-05-01 14:01:09 -07:00
parent 50d7a73867
commit d2e4266479
2 changed files with 13 additions and 2 deletions
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1
changes/6.1.1.md Normal file
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@ -0,0 +1 @@
* Fix macOS warning about `hhea` table (#977).

14
font-src/meta/aesthetics.ptl
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@ -16,7 +16,7 @@ export : define [calculateMetrics para] : begin
define Descender : fallback para.descender (XH - CAP)
define Contrast : fallback para.contrast 1
# Key metrics for symbols
define SymbolMid : fallback para.symbolMid (XH * 0.65)
define SymbolMid para.symbolMid
define ParenTop : SymbolMid + para.parenSize / 2
define ParenBot : SymbolMid - para.parenSize / 2
@ -234,7 +234,12 @@ export : define [setFontMetrics para metrics fm] : begin
set fm.os2.sxHeight XH
set fm.os2.sCapHeight CAP
set fm.post.italicAngle [Math.round (0 - para.slopeAngle)]
local slope : Math.tan para.slopeAngle
set fm.post.italicAngle : Math.round (0 - para.slopeAngle)
set fm.hhea.caretSlopeRise : if para.slopeAngle (1000) 1
set fm.hhea.caretSlopeRun : if para.slopeAngle (-slope * 1000) 0
set fm.hhea.caretOffset : if para.slopeAngle (-slope * para.symbolMid) 0
# Fixed metrics
set fm.os2.yStrikeoutPosition para."os2.yStrikeoutPosition"
@ -266,7 +271,11 @@ export : define [copyFontMetrics fm1 fm2] : begin
set fm2.os2.sxHeight fm1.os2.sxHeight
set fm2.os2.sCapHeight fm1.os2.sCapHeight
set fm2.post.italicAngle fm1.post.italicAngle
set fm2.hhea.caretSlopeRise fm1.hhea.caretSlopeRise
set fm2.hhea.caretSlopeRun fm1.hhea.caretSlopeRun
set fm2.hhea.caretOffset fm1.hhea.caretOffset
set fm2.os2.yStrikeoutPosition fm1.os2.yStrikeoutPosition
set fm2.os2.yStrikeoutSize fm1.os2.yStrikeoutSize
@ -282,6 +291,7 @@ export : define [copyFontMetrics fm1 fm2] : begin
set fm2.post.underlinePosition fm1.post.underlinePosition
set fm2.post.underlineThickness fm1.post.underlineThickness
export : define [compositeBaseAnchors] : begin
local h {.}
foreach a [items-of arguments] : foreach k [items-of [Object.keys a.baseAnchors]] : begin