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 Canva 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. Canva'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 (Canva'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 Canva'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 Canva'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 Canva'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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Copyright 2018 The Ms Madi Project Authors (https://github.com/googlefonts/ms-madi)
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This license is copied below, and is also available with a FAQ at:
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https://scripts.sil.org/OFL
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-----------------------------------------------------------
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SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
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-----------------------------------------------------------
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PREAMBLE
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The goals of the Open Font License (OFL) are to stimulate worldwide
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development of collaborative font projects, to support the font creation
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efforts of academic and linguistic communities, and to provide a free and
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open framework in which fonts may be shared and improved in partnership
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with others.
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The OFL allows the licensed fonts to be used, studied, modified and
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redistributed freely as long as they are not sold by themselves. The
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fonts, including any derivative works, can be bundled, embedded,
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redistributed and/or sold with any software provided that any reserved
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names are not used by derivative works. The fonts and derivatives,
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however, cannot be released under any other type of license. The
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requirement for fonts to remain under this license does not apply
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to any document created using the fonts or their derivatives.
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DEFINITIONS
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"Font Software" refers to the set of files released by the Copyright
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Holder(s) under this license and clearly marked as such. This may
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include source files, build scripts and documentation.
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"Reserved Font Name" refers to any names specified as such after the
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copyright statement(s).
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"Original Version" refers to the collection of Font Software components as
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distributed by the Copyright Holder(s).
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"Modified Version" refers to any derivative made by adding to, deleting,
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or substituting -- in part or in whole -- any of the components of the
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Original Version, by changing formats or by porting the Font Software to a
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new environment.
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"Author" refers to any designer, engineer, programmer, technical
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writer or other person who contributed to the Font Software.
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PERMISSION & CONDITIONS
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of the Font Software, to use, study, copy, merge, embed, modify,
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redistribute, and sell modified and unmodified copies of the Font
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Software, subject to the following conditions:
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1) Neither the Font Software nor any of its individual components,
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in Original or Modified Versions, may be sold by itself.
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2) Original or Modified Versions of the Font Software may be bundled,
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redistributed and/or sold with any software, provided that each copy
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contains the above copyright notice and this license. These can be
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included either as stand-alone text files, human-readable headers or
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in the appropriate machine-readable metadata fields within text or
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binary files as long as those fields can be easily viewed by the user.
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3) No Modified Version of the Font Software may use the Reserved Font
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Name(s) unless explicit written permission is granted by the corresponding
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Copyright Holder. This restriction only applies to the primary font name as
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presented to the users.
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4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
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Software shall not be used to promote, endorse or advertise any
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Modified Version, except to acknowledge the contribution(s) of the
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Copyright Holder(s) and the Author(s) or with their explicit written
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permission.
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5) The Font Software, modified or unmodified, in part or in whole,
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must be distributed entirely under this license, and must not be
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distributed under any other license. The requirement for fonts to
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remain under this license does not apply to any document created
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using the Font Software.
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TERMINATION
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This license becomes null and void if any of the above conditions are
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not met.
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DISCLAIMER
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THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
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COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
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DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
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OTHER DEALINGS IN THE FONT SOFTWARE.
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Reference in New Issue
Block a user