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Add variant selector for decorative angle brackets (U+276C...U+2771) (#2603, #2623) (#2648)

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Belleve 2025-01-18 10:27:30 -10:00 • committed by GitHub
parent 8ede97ac2e
commit d957e1e9a1
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3 changed files with 57 additions and 18 deletions
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51
packages/font-glyphs/src/symbol/pictograph/checking-marks.ptl
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@ -68,26 +68,41 @@ glyph-block Symbol-Pictograph-Checking-Marks : begin
alsoThru 0.47 0.5
g4 ptRSB [mix ptBot ptTop 0.42]
do "Ext angle brackets"
do "Decorative angular brackets"
define Geom : GeometricDim Width Width
define mediumSw : UnicodeWeightGrade 5 Geom.Scalar
define heavySw : UnicodeWeightGrade 9 Geom.Scalar
define xHeavySw : UnicodeWeightGrade 11 Geom.Scalar
define ExtBracketConfig : list
list 0x276C mediumSw 1 SB PictTop
list 0x276D mediumSw 0 SB PictTop
list 0x276E heavySw 1 [mix SB Middle 0.45] [mix SymbolMid ParenTop 0.5]
list 0x276F heavySw 0 [mix SB Middle 0.45] [mix SymbolMid ParenTop 0.5]
list 0x2770 xHeavySw 1 SB PictTop
list 0x2771 xHeavySw 0 SB PictTop
foreach {unicode sw op left top} [items-of ExtBracketConfig] : begin
create-glyph [NameUni unicode] unicode : glyph-proc
local bot : 2 * SymbolMid - top
local right : 2 * Middle - left
local cor : DiagCor (top - bot) (2 * (right - left))
include : dispiro
widths.center (sw * cor)
corner [mix (left + sw / 2) (right - sw / 2) op] top [heading Downward]
corner [mix (left + sw / 2) (right - sw / 2) (1 - op)] SymbolMid [heading Downward]
corner [mix (left + sw / 2) (right - sw / 2) op] bot [heading Downward]
define HeightConfig : object
# suffix width scale height scale
tall { 1.00 1.00 }
middle { 0.80 0.75 }
short { 0.55 0.50 }
define CharConfig : list
# unicode sw side
list 0x276C mediumSw 1
list 0x276D mediumSw 0
list 0x276E heavySw 1
list 0x276F heavySw 0
list 0x2770 xHeavySw 1
list 0x2771 xHeavySw 0
foreach { unicode sw side } [items-of CharConfig] : begin
foreach { suffix { widthScale heightScale } } [pairs-of HeightConfig] : begin
create-glyph "\[NameUni unicode].\(suffix)" : glyph-proc
local top : mix SymbolMid ParenTop heightScale
local bot : mix SymbolMid ParenBot heightScale
local left : mix Middle SB widthScale
local right : mix Middle RightSB widthScale
local cor : DiagCor (top - bot) (2 * (right - left))
local swC : sw * cor
local shift : 0.5 * swC + OX
include : dispiro
widths.center swC
corner [mix (left + shift) (right - shift) side] top [heading Downward]
corner [mix (left + shift) (right - shift) (1 - side)] SymbolMid [heading Downward]
corner [mix (left + shift) (right - shift) side] bot [heading Downward]
select-variant [NameUni unicode] unicode (follow -- 'decorativeAngleBracket')