Add the Neutral template family, template picker and text-only logo allowances
Linea (the vendor's original format.pdf design), Monogram and Serenity are rebuilt from the reference PDFs as one parametric family on the engine, with the user's logo in the measured slot, a home for every GST field and A4/Letter support. Adds static Montserrat, Open Sans and Poppins fonts and a generated Ms Madi outline for Serenity's vertical word. Text-only logo placeholders (Monolith, Tangerine) use a doc-derived allowance box. A Carbon TemplatePicker with committed thumbnails opens from the page setup controls.
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// Generates src/pdf/decor/scriptWord.generated.ts: the word "invoice" as SVG outline paths (Serenity's
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// vertical title) plus a hand-built swash. Run: npm run decor:script-word
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//
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// The outlines come from Ms Madi Regular (SIL OFL 1.1), read with fontkit at build time. The font file lives in
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// scripts/decor/source/ for reproducibility only; it is never copied into public/fonts, never registered with
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// react-pdf and never embedded as a font: the PDF carries filled paths, so this is art, not text. the reference design's
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// SimpleSerenityScript is not used or traced.
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import { readFileSync, writeFileSync } from "node:fs";
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import path from "node:path";
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import { fileURLToPath } from "node:url";
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import ClipperLib from "clipper-lib";
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import * as fontkit from "fontkit";
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const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
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const FONT = path.join(ROOT, "scripts/decor/source/MsMadi-Regular.ttf");
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const OUT = path.join(ROOT, "src/pdf/decor/scriptWord.generated.ts");
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const WORD = "invoice";
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/** Length of the word's ink along its reading direction, pt (the reference design's word runs from y 780 to y 410). */
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const INK_LENGTH = 362;
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/**
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* Ms Madi's strokes are heavier than the reference design's hairline script at this size. The glyph contours are merged
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* into one outline and shrunk by this much on every side (pt), which thins the strokes without a
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* paper-coloured stroke trick at render time.
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*/
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const THIN_BY = 0.95;
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/** Clipper works in integers: coordinates are multiplied by this. */
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const K = 1000;
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const r2 = (v) => Math.round(v * 100) / 100;
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/** Flattened outline commands of the laid-out word, in font units (y up, origin on the baseline start). */
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function wordCommands(font) {
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const run = font.layout(WORD);
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const cmds = [];
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let x = 0;
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run.glyphs.forEach((g, i) => {
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const pos = run.positions[i];
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for (const c of g.path.commands) {
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const args = [];
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for (let k = 0; k < c.args.length; k += 2) args.push(c.args[k] + x + pos.xOffset, c.args[k + 1] + pos.yOffset);
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cmds.push({ command: c.command, args });
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}
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x += pos.xAdvance;
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});
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return cmds;
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}
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/**
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* Rotates the word 90 degrees counter-clockwise so it reads bottom to top, scales it to INK_LENGTH and moves
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* its bounding box to the origin (the shrink in `thinned` then re-origins it). In page space (y down) a font point (x, yUp) lands at (-yUp, -x).
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*/
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function rotate(cmds) {
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const pts = cmds.flatMap((c) => c.args);
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const xs = pts.filter((_, i) => i % 2 === 0);
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const ys = pts.filter((_, i) => i % 2 === 1);
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const inkLen = Math.max(...xs) - Math.min(...xs);
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const s = INK_LENGTH / inkLen;
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const map = (x, y) => [-y * s, -x * s];
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const mapped = cmds.map((c) => {
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const a = [];
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for (let k = 0; k < c.args.length; k += 2) a.push(...map(c.args[k], c.args[k + 1]));
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return { command: c.command, args: a };
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});
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const mx = mapped.flatMap((c) => c.args.filter((_, i) => i % 2 === 0));
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const my = mapped.flatMap((c) => c.args.filter((_, i) => i % 2 === 1));
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const [x0, y0] = [Math.min(...mx), Math.min(...my)];
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const width = Math.max(...mx) - x0;
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const height = Math.max(...my) - y0;
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const shifted = mapped.map((c) => ({ command: c.command, args: c.args.map((v, i) => (i % 2 === 0 ? v - x0 : v - y0)) }));
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return { cmds: shifted, width, height, scale: s };
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}
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/** Flattens the outline commands into closed polylines (pt). */
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function flatten(cmds) {
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const polys = [];
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let cur = [];
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let last = [0, 0];
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const close = () => {
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if (cur.length > 2) polys.push(cur);
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cur = [];
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};
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for (const c of cmds) {
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if (c.command === "moveTo") {
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close();
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cur = [c.args];
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last = c.args;
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} else if (c.command === "lineTo") {
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cur.push(c.args);
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last = c.args;
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} else if (c.command === "quadraticCurveTo") {
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const [cx, cy, x, y] = c.args;
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for (let i = 1; i <= 10; i++) {
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const t = i / 10;
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const u = 1 - t;
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cur.push([u * u * last[0] + 2 * u * t * cx + t * t * x, u * u * last[1] + 2 * u * t * cy + t * t * y]);
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}
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last = [x, y];
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} else if (c.command === "bezierCurveTo") {
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const [c1x, c1y, c2x, c2y, x, y] = c.args;
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for (let i = 1; i <= 14; i++) {
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const t = i / 14;
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const u = 1 - t;
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cur.push([
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u * u * u * last[0] + 3 * u * u * t * c1x + 3 * u * t * t * c2x + t * t * t * x,
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u * u * u * last[1] + 3 * u * u * t * c1y + 3 * u * t * t * c2y + t * t * t * y,
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]);
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}
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last = [x, y];
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} else if (c.command === "closePath") close();
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}
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close();
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return polys;
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}
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/** Union of all contours, shrunk by THIN_BY, as one path. Returns { d, width, height, shiftX } with the box moved to the origin. */
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function thinned(cmds) {
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const subj = flatten(cmds).map((poly) => poly.map(([x, y]) => ({ X: Math.round(x * K), Y: Math.round(y * K) })));
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const clipper = new ClipperLib.Clipper();
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clipper.AddPaths(subj, ClipperLib.PolyType.ptSubject, true);
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const merged = new ClipperLib.Paths();
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clipper.Execute(ClipperLib.ClipType.ctUnion, merged, ClipperLib.PolyFillType.pftNonZero, ClipperLib.PolyFillType.pftNonZero);
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const offset = new ClipperLib.ClipperOffset(2, 0.05 * K);
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offset.AddPaths(merged, ClipperLib.JoinType.jtRound, ClipperLib.EndType.etClosedPolygon);
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const eroded = new ClipperLib.Paths();
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offset.Execute(eroded, -THIN_BY * K);
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const clean = ClipperLib.Clipper.CleanPolygons(eroded, 0.04 * K);
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const pts = clean.flat();
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const x0 = Math.min(...pts.map((p) => p.X)) / K;
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const y0 = Math.min(...pts.map((p) => p.Y)) / K;
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const x1 = Math.max(...pts.map((p) => p.X)) / K;
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const y1 = Math.max(...pts.map((p) => p.Y)) / K;
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const d = clean
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.filter((poly) => poly.length > 2)
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.map((poly) => `M${poly.map((p) => `${r2(p.X / K - x0)} ${r2(p.Y / K - y0)}`).join("L")}Z`)
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.join("");
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// Where the word ends (its topmost point): the swash continues from here.
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const top = pts.reduce((a, p) => (p.Y < a.Y ? p : a), pts[0]);
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return { d, width: x1 - x0, height: y1 - y0, anchorX: top.X / K - x0 };
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}
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/** The swash spine is drawn this much wider than first designed, to match the 25 pt width of the reference design's swash. */
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const SWASH_X_SCALE = 1.4;
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const bez = (p0, p1, p2, p3, t) => {
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const u = 1 - t;
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return [0, 1].map((k) => u * u * u * p0[k] + 3 * u * u * t * p1[k] + 3 * u * t * t * p2[k] + t * t * t * p3[k]);
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};
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/**
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* A tapered swash: a spine of cubic segments, thickened by a sine envelope into one filled outline.
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* Own drawing, in a 28 x 270 pt box; it continues upward from the end of the word like the reference design's does.
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*/
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function swash() {
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const segs = [
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[[19, 270], [-2, 222], [30, 176], [13, 130]],
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[[13, 130], [-4, 86], [26, 52], [15, 14]],
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[[15, 14], [11, 2], [22, -1], [24, 7]],
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];
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const spine = [];
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segs.forEach((s, si) => {
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for (let i = si === 0 ? 0 : 1; i <= 40; i++) { const q = bez(s[0], s[1], s[2], s[3], i / 40); spine.push([q[0] * SWASH_X_SCALE, q[1]]); }
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});
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const n = spine.length;
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const left = [];
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const right = [];
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spine.forEach((p, i) => {
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const a = spine[Math.max(0, i - 1)];
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const b = spine[Math.min(n - 1, i + 1)];
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const len = Math.hypot(b[0] - a[0], b[1] - a[1]) || 1;
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const nx = -(b[1] - a[1]) / len;
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const ny = (b[0] - a[0]) / len;
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const u = i / (n - 1);
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const half = 0.25 + 1.25 * Math.pow(Math.sin(Math.PI * Math.min(1, u * 1.15)), 0.9);
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left.push([p[0] + nx * half, p[1] + ny * half]);
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right.push([p[0] - nx * half, p[1] - ny * half]);
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});
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const all = [...left, ...right.reverse()];
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const minY = Math.min(...all.map((p) => p[1]));
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const minX = Math.min(...all.map((p) => p[0]));
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const maxX = Math.max(...all.map((p) => p[0]));
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const maxY = Math.max(...all.map((p) => p[1]));
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const pts = all.map(([x, y]) => [x - minX, y - minY]);
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// The spine starts at the bottom of the box: that point meets the end of the word.
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const anchorX = spine[0][0] - minX;
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const d = `M${pts.map((p) => p.map(r2).join(" ")).join("L")}Z`;
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return { d, width: r2(maxX - minX), height: r2(maxY - minY), anchorX: r2(anchorX) };
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}
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const font = fontkit.create(readFileSync(FONT));
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const rotated = rotate(wordCommands(font));
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const thin = thinned(rotated.cmds);
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const word = { d: thin.d, width: thin.width, height: thin.height, anchorX: thin.anchorX };
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const sw = swash();
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const ts = `// Generated by \`npm run decor:script-word\` (scripts/decor/script-word.mjs). Do not edit by hand.
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//
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// Outline paths of the word "${WORD}" traced from Ms Madi Regular, rotated 90 degrees counter-clockwise (reads
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// bottom to top), plus a hand-drawn swash. Ms Madi is Copyright 2018 The Ms Madi Project Authors
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// (https://github.com/googlefonts/ms-madi), licensed under the SIL Open Font License 1.1 (scripts/decor/source/OFL-MsMadi.txt).
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// The font itself is not bundled or registered: only these vector outlines are drawn, as art.
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export interface ScriptArt {
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/** SVG path data in a box of \`width\` x \`height\` pt starting at the origin (page space, y down). */
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d: string;
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width: number;
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height: number;
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/** x inside the box where the word ends (word) or the swash starts (swash): they are joined here. */
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anchorX: number;
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}
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export const SCRIPT_WORD: ScriptArt = {
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d: ${JSON.stringify(word.d)},
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width: ${r2(word.width)},
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height: ${r2(word.height)},
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anchorX: ${r2(word.anchorX)},
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};
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export const SCRIPT_SWASH: ScriptArt = {
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d: ${JSON.stringify(sw.d)},
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width: ${sw.width},
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height: ${sw.height},
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anchorX: ${sw.anchorX},
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};
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`;
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writeFileSync(OUT, ts);
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console.log(`scriptWord.generated.ts: word ${r2(word.width)} x ${r2(word.height)} pt swash ${sw.width} x ${sw.height} pt`);
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