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OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository.

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Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 9.0.1 to 9.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
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updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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OpenPDF is an open source Java library for PDF files

OpenPDF is a Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is the LGPL/MPL open source successor of iText, and is based on some forks of iText 4 svn tag. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository.

CI Maven Central License (LGPL version 3.0) License (MPL)

Join the chat at https://gitter.im/LibrePDF/OpenPDF Join the chat at https://gitter.im/LibrePDF/code_of_conduct

OpenPDF version 1.3.26 released 2021-05-02

Get version 1.3.26 here - https://github.com/LibrePDF/OpenPDF/releases/tag/1.3.26

Use OpenPDF as Maven dependency

Add this to your pom.xml file to use the latest version of OpenPDF:

<dependency>
  <groupId>com.github.librepdf</groupId>
  <artifactId>openpdf</artifactId>
  <version>1.3.26</version>
</dependency>

License

GNU Lesser General Public License (LGPL), Version 2.1

Mozilla Public License Version 2.0

We want OpenPDF to consist of source code which is consistently licensed with the LGPL and MPL licences only. This also means that any new contributions to the project must have a dual LGPL and MPL license only.

Documentation

Background

OpenPDF is open source software with a LGPL and MPL license. It is a fork of iText version 4, more specifically iText svn tag 4.2.0, which was hosted publicly on sourceforge with LGPL and MPL license headers in the source code, and LGPL and MPL license documents in the svn repository. Beginning with version 5.0 of iText, the developers have moved to the AGPL to improve their ability to sell commercial licenses.

OpenPDF ancestors in GitHub (in fork order):

  1. @rtfarte / OpenPDF - parent of LibrePDF/OpenPDF
  2. @kulatamicuda / iText-4.2.0
  3. @daviddurand / iText-4.2.0
  4. @ymasory / iText-4.2.0 - original parent on GitHub

Projects using OpenPDF

Android

OpenPDF can be used with Android, more info here: Android-support

Contributing

Release the hounds! Please send all pull requests. Make sure that your contributions can be released with a dual LGPL and MPL license. In particular, pull requests to the OpenPDF project must only contain code that you have written yourself. GPL or AGPL licensed code will not be acceptable.

Coding Style

  • Code indentation style is 4 spaces.
  • Generally try to preserve the coding style in the file you are modifying.

Dependencies

Required Dependencies:

  • Java 8 or later is required to use OpenPDF. All versions Java 8 to Java OpenJDK 15 have been tested to work.

UTF-8 Fonts:

As of 1.3.21 the UTF-8 Liberation fonts moved to its own module, to reduce the size of the OpenPDF jar. If you want to use the bundled UTF-8 fonts, please add the following dependency to your project and use the class org.librepdf.openpdf.fonts.Liberation.

<dependency>
  <groupId>com.github.librepdf</groupId>
  <artifactId>openpdf-fonts-extra</artifactId>
  <version>${openpdf.version}</version>
</dependency>

Supporting complex glyph substitution/ Ligature substitution:

OpenPDF supports glyph substitution which is required for correct rendering of fonts ligature substitution requirements. FOP dependency is required to enable this feature.
Refer following wiki for details: wiki

Supporting OpenType layout, glyph positioning, reordering and substitution:

OpenPDF supports OpenType layout, glyph positioning, reordering and substitution which is e.g. required for correct positioning of accents, the rendering of non-Latin and right-to-left scripts. OpenPDF supports DIN 91379. See: wiki

Optional:

  • BouncyCastle (BouncyCastle is used to sign PDF files, so it's a recommended dependency)
    • Provider (org.bouncycastle:bcprov-jdk15on or org.bouncycastle:bcprov-ext-jdk15on depending on which algorithm you are using)
    • PKIX/CMS (org.bouncycastle:bcpkix-jdk15on)
  • Apache FOP (org.apache.xmlgraphics:fop)
  • Please refer to our pom.xml to see what version is needed.

Credits

Significant Contributors to OpenPDF on GitHub.

In GitHub User alphabetical order.

Maintainers and Members

Contributors

Also, a very special thanks to the iText developers ;)

About

OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository.

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