Home

PdfPig Wiki

This wiki contains more detail on various aspects of the public API and the PDF document format.

Getting Started

PdfPig aims to provide 2 main areas of functionality:

• Extracting PDF content.
• Creating PDFs.

The simplest usage of the library for extracting content involves opening a document and extracting the position and text of all words across all pages:

using System.Collections.Generic;
using UglyToad.PdfPig;
using UglyToad.PdfPig.Content;

using (PdfDocument document = PdfDocument.Open(@"C:\path\to\file.pdf"))
{
    foreach (Page page in document.GetPages())
    {
        IEnumerable<Word> words = page.GetWords();
    }
}

Pages can also be accessed individually with an index starting at 1. You can also access the positions and sizes of the individual letters on a page:

using System.Collections.Generic;
using UglyToad.PdfPig;
using UglyToad.PdfPig.Content;

using (PdfDocument document = PdfDocument.Open(@"C:\path\to\file.pdf"))
{
    Page page = document.GetPage(1);
    IReadOnlyList<Letter> letters = page.Letters;
}

For document creation a new document can be created using the Standard14 fonts which are included in the PDF specification:

PdfDocumentBuilder builder = new PdfDocumentBuilder();
PdfPageBuilder page = builder.AddPage(PageSize.A4);
PdfDocumentBuilder.AddedFont font = builder.AddStandard14Font(Standard14Font.Helvetica);
page.AddText("Hello World!", 12, new PdfPoint(25, 520), font);
byte[] b = builder.Build();

The resulting bytes are a valid PDF document and can be saved to the file system, served from a web server, etc.

Contents

More details on the API can be found here.

• Letters
• Document Creation

Release Notes

Release notes as well as downloadable packages can be found on the releases page https://github.com/UglyToad/PdfPig/releases.