PDF parsing and rendering in pure Rust.

$ cargo add pdfboss-core pdfboss-output pdfboss-render
# optional: pdfboss-text pdfboss-write pdfboss-markdown pdfboss-aio
$ cargo add pdfboss-aio --features http

use pdfboss_core::Document;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let doc = Document::open("report.pdf")?;
    println!("{} pages", doc.page_count());

    let page = doc.page(0)?;
    let text = pdfboss_output::extract_text(&doc, &page)?;
    println!("{text}");

    let pixmap = pdfboss_render::render_page(&doc, &page, 2.0)?;
    pixmap.save_png("page.png")?;
    Ok(())
}

use pdfboss_core::{Document, Permissions};
use pdfboss_write::{encrypt_document, merge_documents, WriteOptions};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let doc = Document::open("form.pdf")?;
    for field in doc.form_fields() {
        println!("{} = {:?}", field.name, field.value);
    }
    for item in doc.outline() {
        println!("{} ({} children)", item.title, item.children.len());
    }
    for file in doc.embedded_files() {
        std::fs::write(&file.name, doc.embedded_file_data(&file)?)?;
    }

    let appendix = Document::open("appendix.pdf")?;
    let inputs = [(&doc, None), (&appendix, Some(&[0usize, 1][..]))];
    let merged = merge_documents(&inputs, WriteOptions::default())?;
    let permissions = Permissions { modify: false, ..Permissions::all() };
    let locked = encrypt_document(
        &Document::load(merged)?,
        "s3cret",
        "",
        permissions,
        WriteOptions::default(),
    )?;
    std::fs::write("locked.pdf", locked)?;
    Ok(())
}