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Improve glyph shape of U+2E46, also use Math.SQRT2 or Math.SQRT1_2 constants whereever possible. (#2364)

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* fix `U+2E46`.

* Use `Math.SQRT2` or `Math.SQRT1_2` where possible.
This commit is contained in:
John McWilliams 2024-06-02 18:36:18 -04:00 • committed by GitHub
parent a4c674c220
commit dba3477cdb
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13 changed files with 40 additions and 20 deletions
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1
changes/30.1.3.md Normal file
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@ -0,0 +1 @@
* Improve glyph shape of INVERTED LOW KAVYKA WITH KAVYKA ABOVE (`U+2E46`).

6
packages/font-glyphs/src/letter/shared.ptl
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@ -314,7 +314,7 @@ glyph-block Letter-Shared-Shapes : begin
export : define [toothless] : with-params [
[top XH] [left SB] [right RightSB] [rise SHook] [sw Stroke] [fine ShoulderFine]
[mBlend : Math.sqrt (1 / 2)] [ada SmallArchDepthA] [adb SmallArchDepthB]
[mBlend Math.SQRT1_2] [ada SmallArchDepthA] [adb SmallArchDepthB]
] : begin
return : dispiro
g4 left rise [widths.lhs sw]
@ -343,7 +343,7 @@ glyph-block Letter-Shared-Shapes : begin
export : define [toothlessTop] : with-params [
[top XH] [left SB] [right RightSB] [rise SHook] [sw Stroke] [fine ShoulderFine]
[mBlend : Math.sqrt (1 / 2)] [ada SmallArchDepthA] [adb SmallArchDepthB]
[mBlend Math.SQRT1_2] [ada SmallArchDepthA] [adb SmallArchDepthB]
] : begin
return : dispiro
flat (left + (sw - fine) * HVContrast) (top - ada - TINY) [widths.lhs fine]
@ -411,7 +411,7 @@ glyph-block Letter-Shared-Shapes : begin
export : define [toothless] : with-params [
[top XH] [left SB] [right RightSB] [rise SHook] [sw Stroke] [fine ShoulderFine]
[mBlend : Math.sqrt (1 / 2)] [ada SmallArchDepthA] [adb SmallArchDepthB]
[mBlend Math.SQRT1_2] [ada SmallArchDepthA] [adb SmallArchDepthB]
] : new-glyph : glyph-proc
include : OBarLeft.toothlessTop
top -- top

1
packages/font-glyphs/src/marks/above.ptl
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@ -515,6 +515,7 @@ glyph-block Mark-Above : begin
archv
g4.up.end rightEnd top [heading Upward]
glyph-block-export InvBreveShape
define [InvBreveShape] : with-params [top bottom xMiddle width hs] : glyph-proc
local leftEnd (xMiddle - width * 0.5)
local rightEnd (xMiddle + width * 0.5)

1
packages/font-glyphs/src/marks/below.ptl
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@ -211,7 +211,6 @@ glyph-block Mark-Below : begin
TurnAboveMarkToBelow 'elipsisBelow' 0x20E8 'elipsisAbove'
TurnAboveMarkToBelow 'leftArrowBelow' 0x20EE 'rightArrowAbove'
TurnAboveMarkToBelow 'rightArrowBelow' 0x20EF 'leftArrowAbove'
TurnAboveMarkToBelow 'cyrlInvKavykaBelow' null 'cyrlKavykaAbove'
TurnAboveMarkToBelow 'upArrowHeadBelow' null 'downArrowHeadAbove'
TurnAboveMarkToBelow 'downArrowHeadBelow' null 'upArrowHeadAbove'
TurnAboveMarkToBelow 'descenderBarBelow' null 'ascenderBarAbove'

1
packages/font-glyphs/src/meta/unicode-knowledge.ptl
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@ -103,7 +103,6 @@ export : define decompOverrides : object
0x1FFE { 'markBaseSpace' 'revCommaAbove' }
0x2E2F { 'markBaseSpace' 'yerikAbove' }
0x2E45 { 'markBaseSpace' 'cyrlInvKavykaOver' }
0x2E46 { 'markBaseSpace' 'cyrlInvKavykaBelow' 'cyrlKavykaAbove' }
0x2E47 { 'markBaseSpace' 'cyrlKavykaOver' }
0x2E48 { 'markBaseSpace' 'cyrlKavykaWithDotOver' }
0xA67E { 'markBaseSpace' 'cyrlKavykaAbove' }

10
packages/font-glyphs/src/symbol/arrow.ptl
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@ -211,8 +211,8 @@ glyph-block Symbol-Arrow : for-width-kinds WideWidth1
local fine : Math.min [AdviceStroke 5] (size * 0.75 / 3)
local mag : Math.hypot (y2 - y1) (x2 - x1)
local p : (mag - fine) / mag
local p2 : (mag - fine * [Math.sqrt 2]) / mag
local innerHeaderLengthShrink : fine * (1 + [Math.sqrt 2])
local p2 : (mag - fine * Math.SQRT2) / mag
local innerHeaderLengthShrink : fine * (1 + Math.SQRT2)
local x1a : mix x1 x2 (1 - p)
local y1a : mix y1 y2 (1 - p)
@ -595,14 +595,14 @@ glyph-block Symbol-Arrow : for-width-kinds WideWidth1
do "Half Circle Arrow"
local arcSW : Math.min arrowSw [AdviceStroke 5 MosaicWidthScalar]
local headSize : mix arcSW arrowHeadSize 0.5
local headLength : (headSize + fine) * [Math.sqrt 0.5]
local headLength : (headSize + fine) * Math.SQRT1_2
local l : arrowSB + 0.5 * headSize
local r : arrowRSB - 0.5 * headSize
local t : arrowTop - 0.5 * headSize
local b : arrowBot + 0.5 * headSize
local ada : ArchDepthAOf (SmallArchDepth * (r - l) / (RightSB - SB)) (r - l)
local adb : ArchDepthBOf (SmallArchDepth * (r - l) / (RightSB - SB)) (r - l)
local gapWidth : Math.max ((t - b) * 0.05) (fine * [Math.sqrt 0.5])
local gapWidth : Math.max ((t - b) * 0.05) (fine * Math.SQRT1_2)
define [HalfCircleArrow headFunc fCcw fGapped] : glyph-proc
local arrowX : if fCcw (l + [HSwToV : 0.5 * arcSW]) (r - [HSwToV : 0.5 * arcSW])
@ -626,7 +626,7 @@ glyph-block Symbol-Arrow : for-width-kinds WideWidth1
define [ShareAlikeArrow] : glyph-proc
local arrowX : l + [HSwToV : 0.5 * Stroke]
local headLength : headSize * [Math.sqrt 0.5]
local headLength : headSize * Math.SQRT1_2
local gapSize : Math.max (2 * headLength) (CAP - 0 - ada - adb)
local gapTop : CAP / 2 + 0.5 * gapSize
local gapBot : CAP / 2 - 0.5 * gapSize

2
packages/font-glyphs/src/symbol/geometric/ballot-box.ptl
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@ -40,7 +40,7 @@ glyph-block Symbol-Geometric-Ballot-Box : for-width-kinds WideWidth1
define lightSwMark : UnicodeWeightGrade 3 Geom.Scalar
define boldSwMark : UnicodeWeightGrade 7 Geom.Scalar
define bbSize : Geom.Size - bbGap - swMark * 0.75
define circXSize : (Geom.Size - bbGap) * [Math.sqrt 0.5] - swMark * 0.75
define circXSize : (Geom.Size - bbGap) * Math.SQRT1_2 - swMark * 0.75
create-glyph [MangleName 'checkedBallotBox'] [MangleUnicode 0x2611] : glyph-proc
local k1 0.4

2
packages/font-glyphs/src/symbol/geometric/masked.ptl
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@ -333,7 +333,7 @@ glyph-block Symbol-Geometric-Masked : for-width-kinds WideWidth1
create-glyph [MangleName 'uni2389'] [MangleUnicode 0x2389] : glyph-proc
define shiftUp : ApparentTranslate 0
Math.max
0.5 * [Math.sqrt 2] * Size.MediumSmall.sw
Math.SQRT1_2 * Size.MediumSmall.sw
Geom.Size * (1 - Size.MediumSmall.size)
set-width Geom.Width

4
packages/font-glyphs/src/symbol/geometric/plain.ptl
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@ -377,7 +377,7 @@ glyph-block Symbol-Geometric-Plain : for-width-kinds WideWidth1
StdBlackShape DiamondFill 'blackCenteredDiamond' 0x2BC1 Size.Oblique
StdWhiteShape DiamondFill 'whiteDiamond' 0x25C7 Size.Oblique
StdWhiteShape DiamondFill 'whiteDiamondOperatorImpl' null [Object.assign {.} Size.Oblique {.sw ([Math.sqrt 2] * [AdviceStroke 4])}]
StdWhiteShape DiamondFill 'whiteDiamondOperatorImpl' null [Object.assign {.} Size.Oblique {.sw (Math.SQRT2 * [AdviceStroke 4])}]
StdBlackShape DiamondFill 'blackMediumDiamond' 0x2B25 Size.MediumOblique
StdBlackShape DiamondFill 'blackSmallDiamond' 0x2B29 Size.SmallOblique
@ -447,7 +447,7 @@ glyph-block Symbol-Geometric-Plain : for-width-kinds WideWidth1
g4 [mix cx [mix cx (cx - size) 0.5] p] [mix cy [mix (cy + size) cy 0.5] p]
close
StdWhiteShape DiamondLazongeShape 'whiteConcaveSidedDiamond' 0x27E1 [Object.assign {.} Size.Oblique {.sw ([Math.sqrt 2] * [UnicodeWeightGrade 6 Geom.Scalar])}]
StdWhiteShape DiamondLazongeShape 'whiteConcaveSidedDiamond' 0x27E1 [Object.assign {.} Size.Oblique {.sw (Math.SQRT2 * [UnicodeWeightGrade 6 Geom.Scalar])}]
StdBlackShape DiamondLazongeShape 'lightFourPointedBlackCusp' 0x2BCC Size.Oblique
StdWhiteShape DiamondLazongeShape 'whiteFourPointedBlackCusp' 0x2BCE Size.ObliqueSA

2
packages/font-glyphs/src/symbol/geometric/shared.ptl
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@ -53,7 +53,7 @@ glyph-block Symbol-Geometric-Shared : begin
VerySmallOblique { .size DesignParameters.geometric_very_small_x .sw [Math.min GeometryStroke : AdviceStroke 7.25 Geom.Scalar] }
TinyOblique { .size DesignParameters.geometric_tiny_x .sw [Math.min GeometryStroke : AdviceStroke 8.25 Geom.Scalar] }
ObliqueSA { .sw ([Math.sqrt 2] * [Math.min GeometryStroke : AdviceStroke 4.75 Geom.Scalar]) }
ObliqueSA { .sw (Math.SQRT2 * [Math.min GeometryStroke : AdviceStroke 4.75 Geom.Scalar]) }
TinyInner { .innerSize (1 / 4) }
SmallInner { .innerSize (1 / 3) }

22
packages/font-glyphs/src/symbol/letter.ptl
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@ -24,7 +24,7 @@ glyph-block Symbol-Currency : begin
include : dispiro
widths.center sw
flat (Middle + radius * 0.87 * [Math.cos angle]) (SymbolMid + radius * 0.87 * [Math.sin angle])
curl (Middle + radius * [Math.sqrt 2] * [Math.cos angle]) (SymbolMid + radius * [Math.sqrt 2] * [Math.sin angle])
curl (Middle + radius * Math.SQRT2 * [Math.cos angle]) (SymbolMid + radius * Math.SQRT2 * [Math.sin angle])
do "Sterling"
define xBarLeft : [mix SB RightSB 0.2] - Stroke * 0.1
@ -345,6 +345,9 @@ glyph-block Symbol-Cyrl-Thousands : begin
glyph-block Symbol-Letter-Phonetic : begin
glyph-block-import CommonShapes
glyph-block-import Mark-Above : BreveShape InvBreveShape
glyph-block-import Mark-Shared-Metrics : markExtend markHalfStroke
create-glyph 'modifierArchBreve' 0xAB5B : glyph-proc
include : MarkSet.e
local archHeight : XH * 0.45
@ -360,3 +363,20 @@ glyph-block Symbol-Letter-Phonetic : begin
g4.down.start (SB + OX) XH [heading Downward]
arch.lhs (XH - archHeight)
g4.up.end (RightSB - OX) XH [heading Upward]
create-glyph 'cyrlInvLowKavykaWithKavyka' 0x2E46 : glyph-proc
include : MarkSet.e
include : BreveShape
xMiddle -- Middle
width -- markExtend * 3.0
top -- XH
bottom -- XH - AccentHeight
hs -- markHalfStroke
include : InvBreveShape
xMiddle -- Middle
width -- markExtend * 3.0
top -- AccentHeight
bottom -- 0
hs -- markHalfStroke

4
packages/font-glyphs/src/symbol/math/relation.ptl
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@ -399,7 +399,7 @@ glyph-block Symbol-Math-Relation-Inequality : begin
define [LessShapeHalf sign top bot l r s p] : begin
define exp : LessGreaterExpansion top bot l r
define expAmend : Math.min [Math.sqrt 2] exp
define expAmend : Math.min Math.SQRT2 exp
define endAdj : 0.5 * s * (exp - expAmend)
define pp : fallback p 1
@ -410,7 +410,7 @@ glyph-block Symbol-Math-Relation-Inequality : begin
define [GreaterShapeHalf sign top bot l r s p] : begin
define exp : LessGreaterExpansion top bot l r
define expAmend : Math.min [Math.sqrt 2] exp
define expAmend : Math.min Math.SQRT2 exp
define endAdj : 0.5 * s * (exp - expAmend)
define pp : fallback p 1

4
packages/font-glyphs/src/symbol/pictograph/kome.ptl
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@ -25,9 +25,9 @@ glyph-block Symbol-Pictograph-Kome : begin
curl (MosaicWidth / 2 - shapeSize) (SymbolMid + shapeSize)
local r0 : Math.min
(RightSB - SB + (sw / [Math.sqrt 2]) - sw * 3) / 4
(RightSB - SB + (sw * Math.SQRT1_2) - sw * 3) / 4
DotRadius * kdr
local r : shapeSize - r0 + (sw / 2 / [Math.sqrt 2])
local r : shapeSize - r0 + (sw / 2 * Math.SQRT1_2)
include : DrawAt (MosaicWidth / 2 + r) SymbolMid (r0 - ov)
include : DrawAt (MosaicWidth / 2 - r) SymbolMid (r0 - ov)