PDF forms that actually fill.

use pdfluent::{Sdk, forms::{FormData, FlattenOptions}};

let sdk = Sdk::init_with_license("license.json")?;
let doc = sdk.open("w-2_form.pdf")?;

let mut data = FormData::new();
data.set_text("f1_1", "Jane Doe")?;
data.set_text("f1_2", "123-45-6789")?;
data.set_text("f1_3", "Acme Corp")?;
data.set_number("f2_1", 45000.00)?;

let filled = doc.fill_form(data)?;
let opts = FlattenOptions::builder()
    .embed_fonts(true)
    .preserve_annotations(false)
    .build();

let static_pdf = filled.flatten_forms()?;
static_pdf.save("w-2_filled.pdf")?;

println!("Fields filled: {}", filled.field_count());