https://github.com/michaelrsweet/pdfio

PDFio is a simple C library for reading and writing PDF files.
https://github.com/michaelrsweet/pdfio

c pdf pdf-document pdf-document-api pdf-document-processor pdf-generation

Last synced: 5 months ago
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PDFio is a simple C library for reading and writing PDF files.

• Host: GitHub
• URL: https://github.com/michaelrsweet/pdfio
• Owner: michaelrsweet
• License: apache-2.0
• Created: 2021-05-30T14:03:24.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2025-05-03T14:09:59.000Z (5 months ago)
• Last Synced: 2025-05-03T15:23:25.151Z (5 months ago)
• Topics: c, pdf, pdf-document, pdf-document-api, pdf-document-processor, pdf-generation
• Language: C
• Homepage: https://www.msweet.org/pdfio
• Size: 8.74 MB
• Stars: 246
• Watchers: 10
• Forks: 53
• Open Issues: 12
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGES.md
  • Contributing: CONTRIBUTING.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md
  • Security: SECURITY.md

Awesome Lists containing this project

README

          
pdfio - PDF Read/Write Library

==============================

![Version](https://img.shields.io/github/v/release/michaelrsweet/pdfio?include_prereleases)

![Apache 2.0](https://img.shields.io/github/license/michaelrsweet/pdfio)

[![Build Status](https://img.shields.io/github/workflow/status/michaelrsweet/pdfio/Build)](https://github.com/michaelrsweet/pdfio/actions/workflows/build.yml)

[![Coverity Scan Status](https://img.shields.io/coverity/scan/22385.svg)](https://scan.coverity.com/projects/michaelrsweet-pdfio)

PDFio is a simple C library for reading and writing PDF files.  The primary

goals of PDFio are:

- Read and write any version of PDF file

- Provide access to pages, objects, and streams within a PDF file

- Support reading and writing of encrypted PDF files

- Extract or embed useful metadata (author, creator, page information, etc.)

- "Filter" PDF files, for example to extract a range of pages or to embed fonts

  that are missing from a PDF

- Provide access to objects used for each page

PDFio is *not* concerned with rendering or viewing a PDF file, although a PDF

RIP or viewer could be written using it.

Requirements

------------

PDFio requires the following to build the software:

- A C99 compiler such as Clang, GCC, or MS Visual C

- A POSIX-compliant `make` program

- ZLIB () 1.1 or higher

IDE files for Xcode (macOS/iOS) and Visual Studio (Windows) are also provided.

Documentation

-------------

See the man page (`pdfio.3`) and full HTML documentation (`pdfio.html`) for

information on using PDFio.

Installing PDFio

----------------

PDFio uses a configure script on Unix systems to generate a makefile:

    ./configure

If you want a shared library, run:

    ./configure --enable-shared

The default installation location is "/usr/local".  Pass the `--prefix` option

to make to install it to another location:

    ./configure --prefix=/some/other/directory

Once configured, run the following to make the library:

    make all

To test it, run:

    make test

To install it, run:

    sudo make install

Visual Studio Project

---------------------

The Visual Studio solution ("pdfio.sln") is provided for Windows developers and

generates the PDFIO1 DLL.  You can also use NuGet to install the `pdfio_native`

package.

Xcode Project

-------------

There is also an Xcode project ("pdfio.xcodeproj") you can use on macOS which

generates a static library that will be installed under "/usr/local" with:

    sudo xcodebuild install

Legal Stuff

-----------

PDFio is Copyright © 2021-2025 by Michael R Sweet.

This software is licensed under the Apache License Version 2.0 with an

(optional) exception to allow linking against GPL2/LGPL2 software.  See the

files "LICENSE" and "NOTICE" for more information.