The PDF engine behind The Yellow App.

// with PagewerkEngine.xcframework in your target

// once, at launch: checked offline, no phone-home
let status = setLicense(key: "EL1.…")

// everything runs on the device
let small  = try compress(input: pdf, level: .strong)
let merged = try mergeFiles(files: [contract, annex])
let report = try privacyReport(input: pdf)
let locked = try protectFile(input: merged, password: pw)

using Pagewerk;

// once, at launch: checked offline, no phone-home
var status = Engine.SetLicense("EL1.…");

// everything runs on the device
var small  = Engine.Compress(pdf, CompressLevel.Strong);
var merged = Engine.MergeFiles(new[] { contract, annex });
var report = Engine.PrivacyReport(pdf);
var locked = Engine.ProtectFile(merged, pw);

const base = "https://cdn.pagewerk.app/engine/0.1.0-e9147c0/";
const { load } = await import(base + "pagewerk.js");

// the key is bound to your domain; without one, results carry the mark
const engine = await load({ base, license: "EL1.…" });

// runs in a worker in the browser; the file never leaves it
const { files, report } = await engine.run("compress", {
  files: [{ name: "contract.pdf", bytes }],
  options: { level: "strong" },
});

// the same surface as the pagewerk-ffi crate; the crate is published later
let status = set_license("EL1.…".into());

let small  = compress(pdf, CompressLevel::Strong)?;
let merged = merge_files(vec![contract, annex])?;
let report = privacy_report(pdf)?;
let locked = protect_file(merged, pw)?;