pdfmuse-core 0.1.9

Deterministic PDF/DOCX parser core (pure Rust). The value core of pdfmuse.
Documentation 
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//! Generate a minimal one-page digital PDF to stdout — a reusable test fixture.
//!
//! Run: `cargo run -p pdfmuse-core --example gen_hello_pdf > tests/corpus/hello.pdf`

use std::io::Write;

use lopdf::content::{Content, Operation};
use lopdf::{dictionary, Document, Object, Stream};

fn main() {
    let mut doc = Document::with_version("1.5");
    let pages_id = doc.new_object_id();
    let font_id = doc.add_object(dictionary! {
        "Type" => "Font", "Subtype" => "Type1", "BaseFont" => "Courier",
    });
    let resources_id = doc.add_object(dictionary! {
        "Font" => dictionary! { "F1" => font_id },
    });
    let content = Content {
        operations: vec![
            Operation::new("BT", vec![]),
            Operation::new("Tf", vec!["F1".into(), 24.into()]),
            Operation::new("Td", vec![72.into(), 720.into()]),
            Operation::new("Tj", vec![Object::string_literal("Hello pdfmuse")]),
            Operation::new("ET", vec![]),
        ],
    };
    let content_id = doc.add_object(Stream::new(dictionary! {}, content.encode().unwrap()));
    let page_id = doc.add_object(dictionary! {
        "Type" => "Page",
        "Parent" => pages_id,
        "Contents" => content_id,
        "Resources" => resources_id,
        "MediaBox" => vec![0.into(), 0.into(), 612.into(), 792.into()],
    });
    let pages = dictionary! {
        "Type" => "Pages",
        "Kids" => vec![page_id.into()],
        "Count" => 1,
    };
    doc.objects.insert(pages_id, Object::Dictionary(pages));
    let catalog_id = doc.add_object(dictionary! { "Type" => "Catalog", "Pages" => pages_id });
    doc.trailer.set("Root", catalog_id);

    let mut buf = Vec::new();
    doc.save_to(&mut buf).expect("serialize sample PDF");
    std::io::stdout().write_all(&buf).expect("write PDF to stdout");
}