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Cont. shape cleanup

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This commit is contained in:
be5invis 2021-04-17 01:18:30 -07:00
parent c95c32b050
commit b480b11c5f
2 changed files with 40 additions and 29 deletions
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65
font-src/gen/finalize/glyphs.js
View file

@ -91,28 +91,50 @@ class FairizedShapeSink {
this.lineTo(x, y);
}
lineTo(x, y) {
const z = Point.fromXY(Point.Type.Corner, x, y).round(CurveUtil.RECIP_GEOMETRY_PRECISION);
while (this.lastContour.length >= 2) {
const a = this.lastContour[this.lastContour.length - 2],
b = this.lastContour[this.lastContour.length - 1];
if (isLineExtend(a, b, z)) {
this.lastContour.pop();
} else {
break;
}
}
const z = Point.fromXY(Point.Type.Corner, x, y).round(1);
this.popOccurrentKnots(z);
this.popColinearKnots(z);
this.lastContour.push(z);
}
arcTo(arc, x, y) {
const offPoints = TypoGeom.Quadify.auto(arc, 1, 8);
if (offPoints) {
for (const z of offPoints)
this.lastContour.push(
Point.from(Point.Type.Quadratic, z).round(CurveUtil.RECIP_GEOMETRY_PRECISION)
);
for (const z of offPoints) {
this.lastContour.push(Point.from(Point.Type.Quadratic, z).round(1));
}
this.lineTo(x, y);
}
popOccurrentKnots(z) {
if (this.lastContour.length <= 0) return;
const last = this.lastContour[this.lastContour.length - 1];
if (last.type === Point.Type.Corner && last.x === z.x && last.y === z.y) {
this.lastContour.pop();
}
}
popColinearKnots(z) {
let kArcStart = this.lastContour.length - 2;
if (kArcStart >= 0) {
const kLast = kArcStart + 1;
if (
this.lastContour[kArcStart].type !== Point.Type.Corner &&
this.lastContour[kLast].type === Point.Type.Corner
) {
return;
}
}
while (kArcStart >= 0 && this.lastContour[kArcStart].type !== Point.Type.Corner)
kArcStart--;
if (kArcStart >= 0) {
const a = this.lastContour[kArcStart];
let fColinearH = true;
let fColinearV = true;
for (let m = kArcStart + 1; m < this.lastContour.length; m++) {
const b = this.lastContour[m];
if (!(aligned(a.y, b.y, z.y) && between(a.x, b.x, z.x))) fColinearH = false;
if (!(aligned(a.x, b.x, z.x) && between(a.y, b.y, z.y))) fColinearV = false;
}
if (fColinearH || fColinearV) this.lastContour.length = kArcStart + 1;
}
}
}
function isOccurrent(zFirst, zLast) {
return (
@ -122,19 +144,8 @@ function isOccurrent(zFirst, zLast) {
zFirst.y === zLast.y
);
}
function isLineExtend(a, b, c) {
return (
a.type === Point.Type.Corner &&
c.type === Point.Type.Corner &&
((aligned(a.x, b.x, c.x) && between(a.y, b.y, c.y)) ||
(aligned(a.y, b.y, c.y) && between(a.x, b.x, c.x)))
);
}
function geometryPrecisionEqual(a, b) {
return (
Math.round(a * CurveUtil.RECIP_GEOMETRY_PRECISION) ===
Math.round(b * CurveUtil.RECIP_GEOMETRY_PRECISION)
);
return Math.round(a) === Math.round(b);
}
function aligned(a, b, c) {
return geometryPrecisionEqual(a, b) && geometryPrecisionEqual(b, c);

4
font-src/glyphs/symbol/geometric/stars.ptl
View file

@ -73,8 +73,8 @@ glyph-block Symbol-Geometric-Stars : for-width-kinds WideWidth1
* {.sides 8 .name 'lightAsterisk8' .cThin 0.75 .unicode 0x1F7BB .phase 0 .sw lightSw }
* {.sides 8 .name 'mediumAsterisk8' .cThin 0.75 .unicode 0x1F7BC .phase 0 .sw mediumSw }
* {.sides 8 .name 'boldAsterisk8' .cThin 0.75 .unicode 0x1F7BD .phase 0 .sw boldSw }
* {.sides 8 .name 'heavyAsterisk8' .cThin 0.75 .unicode 0x1F7BE .phase 0 .sw heavySw }
* {.sides 8 .name 'veryHeavyAsterisk8' .cThin 0.75 .unicode 0x1F7BF .phase 0 .sw veryHeavySw}
* {.sides 8 .name 'heavyAsterisk8' .cThin 0.75 .unicode 0x1F7BE .phase 0 .sw exBoldSw }
* {.sides 8 .name 'veryHeavyAsterisk8' .cThin 0.75 .unicode 0x1F7BF .phase 0 .sw heavySw }
* {.sides 4 .name 'heavyGreekCross' .unicode 0x271A .phase 0 .sw heavySw }
* {.sides 6 .name 'heavyAsterisk' .cThin 0.9 .unicode 0x2731 .phase 0 .sw heavySw}