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: 6 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 (7 months ago)
- Last Synced: 2025-05-03T15:23:25.151Z (7 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
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README
pdfio - PDF Read/Write Library
==============================
[](https://github.com/michaelrsweet/pdfio/actions/workflows/build.yml)
[](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.