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Add apparent translate mechanism to improve component sharing

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This commit is contained in:
be5invis 2021-02-02 01:56:43 -08:00
parent 3fd1ebfec3
commit fdff7dbb60
18 changed files with 154 additions and 225 deletions
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9
font-src/glyphs/common/shapes.ptl
View file

@ -607,14 +607,9 @@ glyph-block CommonShapes : begin
include : Italify
define ScaleAround FlipAround
define [Realign x y sx sy] : glyph-proc
include : Upright
include : Translate (-x) (-y)
include : Translate sx sy
include : Italify
define [Realign x y sx sy] : ApparentTranslate (sx - x) (sy - y)
define [ForceUpright] : glyph-proc
set this.gizmo : Translate 0 0
define [ForceUpright] : glyph-proc [set this.gizmo : Translate 0 0]
define [CreateWaveShape dist sw _phaesShift] : begin
define WaveResolution 64

4
font-src/glyphs/letter/latin-ext/bidental-percussive.ptl
View file

@ -16,7 +16,5 @@ glyph-block Letter-Latin-Bidental-Percussive : begin
include : VBarLeft SB (CAP * 0.1) (CAP * 0.4)
include : VBarRight RightSB (CAP * 0.1) (CAP * 0.4)
include g
include : Upright
include : Translate 0 (CAP / 2)
include : Italify
include : ApparentTranslate 0 (CAP / 2)
include g

5
font-src/glyphs/letter/latin/lower-d.ptl
View file

@ -107,10 +107,7 @@ glyph-block Letter-Latin-Lower-D : begin
create-glyph 'dhooktop.tailed' : glyph-proc
include : MarkSet.b
include : OBarRightShape
include : dispiro
flat RightSB yDHookTopConnect [widths.rhs.heading Stroke Downward]
curl RightSB (Hook * 0.5 + Stroke + O * 2)
g4 (RightSB + Hook * 0.25) (Stroke * 0.75 + O * 2)
include : RightwardTailedBar RightSB 0 yDHookTopConnect
include : VerticalHook (RightSB - HalfStroke * HVContrast) yDHookTopConnect HookX (-Hook)
if SLAB : include : tagged 'serifRB' : RightwardBottomSerif RightSB 0 SideJut

12
font-src/glyphs/letter/latin/lower-h.ptl
View file

@ -119,9 +119,7 @@ glyph-block Letter-Latin-Lower-H : begin
include : VBarLeft SB 0 CAP
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate RightSB (Hook + HalfStroke)
include : Italify
include : ApparentTranslate RightSB (Hook + HalfStroke)
include : FlipAround Middle (XH / 2)
include : MarkSet.p
if SLAB : begin
@ -136,15 +134,11 @@ glyph-block Letter-Latin-Lower-H : begin
include : VBarLeft SB 0 (XH - 1)
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate RightSB (Hook + HalfStroke)
include : Italify
include : ApparentTranslate RightSB (Hook + HalfStroke)
include : FlipAround Middle (XH / 2)
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate RightSB 0
include : Italify
include : ApparentTranslate RightSB 0
include : MarkSet.p
if SLAB : begin
include : LeftwardTopSerif (RightSB - Stroke * HVContrast) XH SideJut

4
font-src/glyphs/letter/latin/lower-l.ptl
View file

@ -209,9 +209,7 @@ glyph-block Letter-Latin-Lower-L : begin
include [refer-glyph 'l.serifed'] AS_BASE ALSO_METRICS
include : new-glyph : glyph-proc
include : refer-glyph "tildeAboveOverlay"
include : Upright
include : Translate (df.middle - markMiddle) (CAP * 0.525 - [mix aboveMarkBot aboveMarkTop 0.5])
include : Italify
include : ApparentTranslate (df.middle - markMiddle) (CAP * 0.525 - [mix aboveMarkBot aboveMarkTop 0.5])
define [Belt middle] : glyph-proc
local fine : AdviceStroke 4.5

8
font-src/glyphs/letter/latin/lower-q.ptl
View file

@ -135,9 +135,7 @@ glyph-block Letter-Latin-Lower-Q : begin
include : VBarRight RightSB 0 CAP
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate RightSB 0
include : Italify
include : ApparentTranslate RightSB 0
if SLAB : begin
include : tagged 'serifRT' : RightwardTopSerif RightSB CAP SideJut
@ -147,9 +145,7 @@ glyph-block Letter-Latin-Lower-Q : begin
include : VBarRight RightSB 0 XH
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate RightSB 0
include : Italify
include : ApparentTranslate RightSB 0
if SLAB : begin
include : tagged 'serifRT' : RightwardTopSerif RightSB XH SideJut

8
font-src/glyphs/letter/latin/lower-r.ptl
View file

@ -211,9 +211,7 @@ glyph-block Letter-Latin-Lower-R : begin
eject-contour 'serifLB'
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate rbar 0
include : Italify
include : ApparentTranslate rbar 0
create-glyph 'rrtail.serifless'
SmallRRTailShape StandardLowerRShape dfN rStraight 0
create-glyph 'rrtail.topSerifed'
@ -242,9 +240,7 @@ glyph-block Letter-Latin-Lower-R : begin
include : FlipAround df.middle (XH / 2)
include : new-glyph : glyph-proc
include : refer-glyph "rtailBR"
include : Upright
include : Translate (df.rightSB - rbar + df.leftSB + Stroke * HVContrast) 0
include : Italify
include : ApparentTranslate (df.rightSB - rbar + df.leftSB + Stroke * HVContrast) 0
create-glyph 'turnrrtail.serifless'
TurnRRTailShape StandardLowerRShape dfN rStraight 0

4
font-src/glyphs/letter/latin/s.ptl
View file

@ -250,9 +250,7 @@ glyph-block Letter-Latin-S : begin
include : new-glyph : glyph-proc
local sw : AdviceStroke2 2 3 XH
include : refer-glyph "rtailBR"
include : Upright
include : Translate (start.x + sw * HVContrast) 0
include : Italify
include : ApparentTranslate (start.x + sw * HVContrast) 0
include : VBarLeft start.x 0 start.y

4
font-src/glyphs/letter/latin/upper-l.ptl
View file

@ -67,9 +67,7 @@ glyph-block Letter-Latin-Upper-L : begin
include [refer-glyph src] AS_BASE ALSO_METRICS
include : new-glyph : glyph-proc
include : refer-glyph "tildeAboveOverlay"
include : Upright
include : Translate (SB * 1.5 + Stroke * HVContrast / 2 - markMiddle) (CAP * 0.525 - [mix aboveMarkBot aboveMarkTop 0.5])
include : Italify
include : ApparentTranslate (SB * 1.5 + Stroke * HVContrast / 2 - markMiddle) (CAP * 0.525 - [mix aboveMarkBot aboveMarkTop 0.5])
with-related-glyphs 'Ldot' 0x13F 'L' : lambda [src sel] : glyph-proc
include [refer-glyph src] AS_BASE

4
font-src/glyphs/letter/latin/w.ptl
View file

@ -195,9 +195,7 @@ glyph-block Letter-Latin-W : begin
set-width df.width
include : df.markSet.capital
include : WshapeImpl df (CAP / 2) bodyType slabType
include : Upright
include : Translate 0 (CAP / 2)
include : Italify
include : ApparentTranslate 0 (CAP / 2)
include : WshapeImpl df (CAP / 2) bodyType slabType
define [WHooktopShape df top bodyType] : glyph-proc

4
font-src/glyphs/letter/shared.ptl
View file

@ -25,9 +25,7 @@ glyph-block Letter-Shared : begin
define srcGlyph : query-glyph src
define commaOffset : (Width / 2) * [Math.pow (srcGlyph.advanceWidth / Width * 2) (2/3)]
include : refer-glyph "commaTR"
include : Upright
include : Translate commaOffset 0
include : Italify
include : ApparentTranslate commaOffset 0
include srcGlyph AS_BASE ALSO_METRICS
glyph-block Letter-Blackboard : begin

36
font-src/glyphs/marks/index.ptl
View file

@ -69,9 +69,7 @@ glyph-block Marks : begin
include : difference
DotAt markMiddle (XH + Accent) radiusOut
DotAt markMiddle (XH + Accent) radiusIn
include : Upright
include : Translate 0 (-markFine * 0.75)
include : Italify
include : ApparentTranslate 0 (-markFine * 0.75)
create-glyph 'dblRingAbove' 0x1AB2 : glyph-proc
set-width 0
@ -314,14 +312,10 @@ glyph-block Marks : begin
local shift : (ttop - tbot) * 1.2
include : addTilde
include : Upright
include : Translate 0 shift
include : Italify
include : ApparentTranslate 0 shift
include : addTilde
include : Upright
include : Translate 0 (-0.5 * shift)
include : Italify
include : ApparentTranslate 0 (-0.5 * shift)
create-glyph 'macronAbove' 0x304 : glyph-proc
set-width 0
@ -468,9 +462,7 @@ glyph-block Marks : begin
straight.down.start (markMiddle + radius) (aboveMarkTop - radius + commaOvershoot)
quadcontrols 0 0.6
g4 [mix markMiddle (markMiddle - radius) 0.2] (aboveMarkBot - radius - commaOvershoot2)
include : Upright
include : Translate 0 (DotRadius * 0.3)
include : Italify
include : ApparentTranslate 0 (DotRadius * 0.3)
create-glyph 'turnCommaAbove' 0x312 : glyph-proc
set-width 0
@ -493,9 +485,7 @@ glyph-block Marks : begin
straight.down.start (markMiddle - radius) (aboveMarkTop - radius + commaOvershoot)
quadcontrols 0 0.6
g4 [mix markMiddle (markMiddle + radius) 0.2] (aboveMarkBot - radius - commaOvershoot2)
include : Upright
include : Translate 0 (DotRadius * 0.3)
include : Italify
include : ApparentTranslate 0 (DotRadius * 0.3)
create-glyph 'barAbove' 0x30D : glyph-proc
set-width 0
@ -552,9 +542,7 @@ glyph-block Marks : begin
archv
g4.up.end (markMiddle + radius) yc [heading Upward]
include : DotAt markMiddle (XH + Accent) fine
include : Upright
include : Translate 0 (fine * 0.5)
include : Italify
include : ApparentTranslate 0 (fine * 0.5)
set-mark-anchor 'above' markMiddle XH markMiddle aboveMarkTop
set-base-anchor 'aboveBrace' markMiddle (XH + Accent)
@ -1095,17 +1083,13 @@ glyph-block Marks : begin
create-glyph 'dotTR' 0x358 : glyph-proc
set-width 0
include : refer-glyph "dotAbove"
include : Upright
include : Translate (RightSB - Middle + DotRadius) 0
include : Italify
include : ApparentTranslate (RightSB - Middle + DotRadius) 0
set-mark-anchor 'topright' 0 XH 0 aboveMarkTop
create-glyph 'commaTR' 0x315 : glyph-proc
set-width 0
include : refer-glyph "commaAbove"
include : Upright
include : Translate (RightSB - Middle + DotRadius) 0
include : Italify
include : ApparentTranslate (RightSB - Middle + DotRadius) 0
set-mark-anchor 'topright' 0 XH 0 aboveMarkTop
create-glyph 'rtailBR' 0x322 : glyph-proc
@ -1135,9 +1119,7 @@ glyph-block Marks : begin
set-width 0
set-mark-anchor 'overlay' markMiddle (XH / 2) markMiddle (XH / 2)
include : refer-glyph "tildeAbove"
include : Upright
include : Translate 0 (XH / 2 - [mix aboveMarkTop aboveMarkBot 0.5])
include : Italify
include : ApparentTranslate 0 (XH / 2 - [mix aboveMarkTop aboveMarkBot 0.5])
create-glyph 'barOver' 0x335 : glyph-proc
set-width 0

4
font-src/glyphs/symbol/math/arith.ptl
View file

@ -43,9 +43,7 @@ glyph-block Symbol-Math-Arith : begin
local sbSquash 0.5
local delta : Math.max 0 : Width / 2 - DotRadius - SB * sbSquash
include : Upright
include : Translate (+delta) (SymbolMid - XH / 2)
include : Italify
include : ApparentTranslate (+delta) (SymbolMid - XH / 2)
include : HBar (SB * sbSquash) (RightSB - DotSize) SymbolMid OperatorStroke

28
font-src/glyphs/symbol/math/relation.ptl
View file

@ -108,9 +108,7 @@ glyph-block Symbol-Math-Relation : begin
include : refer-glyph "xhDot"
local delta : Math.max 0 : Width / 2 - DotRadius - SB * ColonEqSbSquash
include : Upright
include : Translate (+delta) (SymbolMid - XH / 2)
include : Italify
include : ApparentTranslate (+delta) (SymbolMid - XH / 2)
include : EqualShape (SB * ColonEqSbSquash) (RightSB - DotSize)
@ -119,9 +117,7 @@ glyph-block Symbol-Math-Relation : begin
include : refer-glyph "xhDot"
local delta : Math.max 0 : Width / 2 - DotRadius - SB * ColonEqSbSquash
include : Upright
include : Translate (-delta) (SymbolMid - XH / 2)
include : Italify
include : ApparentTranslate (-delta) (SymbolMid - XH / 2)
create-glyph 'colonEq' 0x2254 : glyph-proc
include : ColonEqColonShape
@ -467,24 +463,18 @@ glyph-block Symbol-Math-Relation : begin
create-glyph 'barSym' 0x2242 : glyph-proc
include [refer-glyph 'sym'] AS_BASE
include : Upright
include : Translate 0 (-approxDist / 2)
include : Italify
include : ApparentTranslate 0 (-approxDist / 2)
include : HBar SB RightSB (SymbolMid + approxDist / 2) OperatorStroke
create-glyph 'symEq' 0x2243 : glyph-proc
include [refer-glyph 'sym'] AS_BASE
include : Upright
include : Translate 0 (approxDist / 2)
include : Italify
include : ApparentTranslate 0 (approxDist / 2)
include : HBar SB RightSB (SymbolMid - approxDist / 2) OperatorStroke
create-glyph 'symEqEq' 0x2245 : glyph-proc
local sympShift : approxDist + EqualHalfSpace * 1.5
include [refer-glyph 'sym'] AS_BASE
include : Upright
include : Translate 0 (sympShift / 2)
include : Italify
include : ApparentTranslate 0 (sympShift / 2)
include : HBar SB RightSB (SymbolMid - sympShift / 2 + EqualHalfSpace * 1.5) OperatorStroke
include : HBar SB RightSB (SymbolMid - sympShift / 2) OperatorStroke
@ -494,17 +484,13 @@ glyph-block Symbol-Math-Relation : begin
create-glyph 'flipSymEq' 0x22CD : glyph-proc
include [refer-glyph 'flipSym'] AS_BASE
include : Upright
include : Translate 0 (approxDist / 2)
include : Italify
include : ApparentTranslate 0 (approxDist / 2)
include : HBar SB RightSB (SymbolMid - approxDist / 2) OperatorStroke
create-glyph 'flipSymEqEq' 0x224C : glyph-proc
local sympShift : approxDist + EqualHalfSpace * 1.5
include [refer-glyph 'flipSym'] AS_BASE
include : Upright
include : Translate 0 (sympShift / 2)
include : Italify
include : ApparentTranslate 0 (sympShift / 2)
include : HBar SB RightSB (SymbolMid - sympShift / 2 + EqualHalfSpace * 1.5) OperatorStroke
include : HBar SB RightSB (SymbolMid - sympShift / 2) OperatorStroke

10
font-src/glyphs/symbol/punctuation.ptl
View file

@ -376,9 +376,7 @@ glyph-block Symbol-Punctuation-Small : begin
include : refer-glyph "xhPeriod"
create-derived 'colon.mid' : glyph-proc
include : Upright
include : Translate 0 (SymbolMid - XH / 2)
include : Italify
include : ApparentTranslate 0 (SymbolMid - XH / 2)
create-glyph 'hollowColon' 0x2982 : glyph-proc
define sw : AdviceStroke 5
@ -1417,10 +1415,8 @@ glyph-block Symbol-Punctuation-Ellipsis : begin
include : DotAt (MosaicWidth / 2) radius (radius - O)
include : DotAt right radius (radius - O)
create-derived [MangleName 'mathCDots'] [MangleUnicode 0x22EF] : glyph-proc
include : Upright
include : Translate 0 (SymbolMid - radius)
include : Italify
create-derived [MangleName 'mathCDots'] [MangleUnicode 0x22EF]
ApparentTranslate 0 (SymbolMid - radius)
create-glyph : glyph-proc
set-width MosaicWidth

7
font-src/meta/aesthetics.ptl
View file

@ -39,6 +39,7 @@ export : define [calculateMetrics para] : begin
define [Upright angle shift] [Italify angle shift :.inverse]
define [Scale sx sy] : new Transform sx 0 0 [fallback sy sx] 0 0
define [Translate x y] : new Transform 1 0 0 1 x y
define [ApparentTranslate x y] : Translate (x + TanSlope * y) y
define [Rotate angle] : new Transform [Math.cos angle] (-[Math.sin angle]) [Math.sin angle] [Math.cos angle] 0 0
define GlobalTransform : Italify para.slopeAngle
@ -195,9 +196,9 @@ export : define [calculateMetrics para] : begin
return [object
UPM HalfUPM Width SB CAP XH Descender Contrast SymbolMid ParenTop ParenBot OperTop OperBot
TackTop TackBot PlusTop PlusBot PictTop PictBot BgOpTop BgOpBot Italify Upright Scale
Translate Rotate GlobalTransform TanSlope HVContrast Upward Downward Rightward Leftward
UpwardT DownwardT LeftwardT RightwardT O OX OXHook Hook AHook SHook RHook JHook FHook HookX
Smooth SmallSmooth Stroke DotSize PeriodSize HBarPos OverlayPos
Translate ApparentTranslate Rotate GlobalTransform TanSlope HVContrast Upward Downward
Rightward Leftward UpwardT DownwardT LeftwardT RightwardT O OX OXHook Hook AHook SHook RHook
JHook FHook HookX Smooth SmallSmooth Stroke DotSize PeriodSize HBarPos OverlayPos
LongJut Jut VJut Accent AccentX CThin CThinB SLAB TailAdjX TailAdjY LBalance
IBalance LBalance2 IBalance2 JBalance JBalance2 TBalance TBalance2 RBalance RBalance2
FBalance OneBalance WideWidth0 WideWidth1 WideWidth2 WideWidth3 WideWidth4 Ess EssQuestion

2
font-src/meta/macros.ptl
View file

@ -205,7 +205,7 @@ define-macro glyph-block : syntax-rules
buildGlyphs tagged DivFrame fontMetrics $assignUnicodeImpl$]
define metricImports `[UPM HalfUPM Width SB CAP XH Descender Contrast SymbolMid ParenTop
ParenBot OperTop OperBot TackTop TackBot PlusTop PlusBot PictTop PictBot BgOpTop BgOpBot
Italify Upright Scale Translate Rotate GlobalTransform TanSlope
Italify Upright Scale Translate ApparentTranslate Rotate GlobalTransform TanSlope
HVContrast Upward Downward Rightward Leftward UpwardT DownwardT LeftwardT RightwardT O OX
OXHook Hook AHook SHook RHook JHook FHook HookX Smooth SmallSmooth Stroke DotSize
PeriodSize HBarPos OverlayPos LongJut Jut VJut

226
font-src/support/glyph.js
View file

@ -4,102 +4,6 @@ const Transform = require("./transform");
const Point = require("./point");
const Anchor = require("./anchor");
class GeometryStore {
constructor() {
this.m_contours = [];
this.m_references = [];
}
addContour(c) {
this.m_contours.push(c);
}
addReference(glyph, x, y) {
this.m_references.push({ glyph, x, y });
}
asContours() {
let result = [];
for (const c of this.m_contours) {
const c1 = [...c];
if (c.tag) c1.tag = c.tag;
result.push(c1);
}
for (const r of this.m_references) {
for (const c of r.glyph.geometry.asContours()) {
let c1 = [];
for (const z of c) c1.push(Point.fromXY(z.type, z.x + r.x, z.y + r.y));
if (c.tag) c1.tag = c.tag;
result.push(c1);
}
}
return result;
}
asReferences() {
if (this.m_contours && this.m_contours.length) return null;
if (!this.m_references.length) return null;
return this.m_references;
}
applyTranslate(shiftX, shiftY) {
for (const c of this.m_contours) {
for (let k = 0; k < c.length; k++) {
c[k] = Point.translated(c[k], shiftX, shiftY);
}
}
for (const r of this.m_references) {
r.x += shiftX;
r.y += shiftY;
}
}
applyTransform(tfm) {
const cs = this.asContours();
for (const c of cs) {
for (let k = 0; k < c.length; k++) {
c[k] = Point.transformed(tfm, c[k]);
}
}
this.m_contours = cs;
this.m_references.length = 0;
}
reTagContour(oldTag, newTag) {
for (const c of this.m_contours) {
if (c.tag === oldTag) c.tag = newTag;
}
}
ejectContour(tag) {
const cs = this.asContours();
let i = 0,
j = 0;
for (; i < cs.length; i++) if (!cs[i].tag || cs[i].tag !== tag) cs[j++] = cs[i];
cs.length = j;
this.m_contours = cs;
this.m_references = [];
}
suppressNaN() {
let broken = false,
complexity = 0;
for (const c of this.m_contours) {
for (const z of c) {
complexity++;
if (!isFinite(z.x)) {
broken = true;
z.x = 0;
}
if (!isFinite(z.y)) {
broken = true;
z.y = 0;
}
}
}
return broken ? 0xffff : complexity;
}
isEmpty() {
return !this.m_contours.length && !this.m_references.length;
}
}
module.exports = class Glyph {
constructor(_identifier) {
this._m_identifier = _identifier;
@ -216,23 +120,6 @@ module.exports = class Glyph {
}
}
combineAnchor(shift, baseThis, markThat, basesThat) {
if (!baseThis || !markThat) return;
shift.x = baseThis.x - markThat.x;
shift.y = baseThis.y - markThat.y;
if (basesThat) {
for (const bk in basesThat) {
this.baseAnchors[bk] = new Anchor(
shift.x + basesThat[bk].x,
shift.y + basesThat[bk].y
);
}
}
}
copyAnchors(g) {
if (g.markAnchors) for (const k in g.markAnchors) this.markAnchors[k] = g.markAnchors[k];
if (g.baseAnchors) for (const k in g.baseAnchors) this.baseAnchors[k] = g.baseAnchors[k];
}
applyTransform(tfm, alsoAnchors) {
if (Transform.isTranslate(tfm)) {
this.geometry.applyTranslate(tfm.x, tfm.y);
@ -275,6 +162,23 @@ module.exports = class Glyph {
}
// Anchors
combineAnchor(shift, baseThis, markThat, basesThat) {
if (!baseThis || !markThat) return;
shift.x = baseThis.x - markThat.x;
shift.y = baseThis.y - markThat.y;
if (basesThat) {
for (const bk in basesThat) {
this.baseAnchors[bk] = new Anchor(
shift.x + basesThat[bk].x,
shift.y + basesThat[bk].y
);
}
}
}
copyAnchors(g) {
if (g.markAnchors) for (const k in g.markAnchors) this.markAnchors[k] = g.markAnchors[k];
if (g.baseAnchors) for (const k in g.baseAnchors) this.baseAnchors[k] = g.baseAnchors[k];
}
setBaseAnchor(id, x, y) {
this.baseAnchors[id] = new Anchor(x, y).transform(this.gizmo);
}
@ -291,3 +195,99 @@ module.exports = class Glyph {
delete this.markAnchors[id];
}
};
class GeometryStore {
constructor() {
this.m_contours = [];
this.m_references = [];
}
addContour(c) {
this.m_contours.push(c);
}
addReference(glyph, x, y) {
this.m_references.push({ glyph, x, y });
}
asContours() {
let result = [];
for (const c of this.m_contours) {
const c1 = [...c];
if (c.tag) c1.tag = c.tag;
result.push(c1);
}
for (const r of this.m_references) {
for (const c of r.glyph.geometry.asContours()) {
let c1 = [];
for (const z of c) c1.push(Point.fromXY(z.type, z.x + r.x, z.y + r.y));
if (c.tag) c1.tag = c.tag;
result.push(c1);
}
}
return result;
}
asReferences() {
if (this.m_contours && this.m_contours.length) return null;
if (!this.m_references.length) return null;
return this.m_references;
}
applyTranslate(shiftX, shiftY) {
for (const c of this.m_contours) {
for (let k = 0; k < c.length; k++) {
c[k] = Point.translated(c[k], shiftX, shiftY);
}
}
for (const r of this.m_references) {
r.x += shiftX;
r.y += shiftY;
}
}
applyTransform(tfm) {
const cs = this.asContours();
for (const c of cs) {
for (let k = 0; k < c.length; k++) {
c[k] = Point.transformed(tfm, c[k]);
}
}
this.m_contours = cs;
this.m_references.length = 0;
}
reTagContour(oldTag, newTag) {
for (const c of this.m_contours) {
if (c.tag === oldTag) c.tag = newTag;
}
}
ejectContour(tag) {
const cs = this.asContours();
let i = 0,
j = 0;
for (; i < cs.length; i++) if (!cs[i].tag || cs[i].tag !== tag) cs[j++] = cs[i];
cs.length = j;
this.m_contours = cs;
this.m_references = [];
}
suppressNaN() {
let broken = false,
complexity = 0;
for (const c of this.m_contours) {
for (const z of c) {
complexity++;
if (!isFinite(z.x)) {
broken = true;
z.x = 0;
}
if (!isFinite(z.y)) {
broken = true;
z.y = 0;
}
}
}
return broken ? 0xffff : complexity;
}
isEmpty() {
return !this.m_contours.length && !this.m_references.length;
}
}