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Gil

Boost.GIL - Generic Image Library | Requires C++14 since Boost 1.80

From boostorg·Updated May 19, 2026·View on GitHub·

Documentation | GitHub Actions | AppVeyor | Regression | Codecov --------------|----------------|----------|------------|---------- | | | | | | | | The project is written primarily in C++, distributed under the Boost Software License 1.0 license, first published in 2013. Key topics include: boost, cplusplus, cplusplus-11, generic-image-library, gil.

Boost Generic Image Library (GIL)

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Boost.GIL

Introduction

Boost.GIL is a part of the Boost C++ Libraries.

The Boost Generic Image Library (GIL) is a C++14 header-only library that abstracts image
representations from algorithms and allows writing code that can work on a
variety of images with performance similar to hand-writing for a specific image type.

Documentation

See RELEASES.md for release notes.

See CONTRIBUTING.md for instructions about how to build and
run tests and examples using Boost.Build or CMake.

See example/README.md for GIL usage examples.

See example/b2/README.md for Boost.Build configuration examples.

See example/cmake/README.md for CMake configuration examples.

Requirements

The Boost Generic Image Library (GIL) requires:

  • C++14 compiler (GCC 6, clang 3.9, MSVC++ 14.1 (1910) or any later version)
  • Boost header-only libraries

Optionally, in order to build and run tests and examples:

  • Boost.Filesystem
  • Boost.Test
  • Headers and libraries of libjpeg, libpng, libtiff, libraw for the I/O extension and some of examples.

Branches

The official repository contains the following branches:

  • master This
    holds the most recent snapshot with code that is known to be stable.

  • develop This
    holds the most recent snapshot. It may contain unstable code.

Community

There is number of communication channels to ask questions and discuss Boost.GIL issues:

Contributing (We Need Your Help!)

If you would like to contribute to Boost.GIL, help us improve the library
and maintain high quality, there is number of ways to do it.

If you would like to test the library, contribute new feature or a bug fix,
see the CONTRIBUTING.md where the whole development
infrastructure and the contributing workflow is explained in details.

You may consider performing code reviews on active
pull requests or help
with solving reported issues, especially those labelled with:

Any feedback from users and developers, even simple questions about how things work
or why they were done a certain way, carries value and can be used to improve the library.

License

Distributed under the Boost Software License, Version 1.0.

Contributors

Showing top 12 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from boostorg/gil via the GitHub API.Last fetched: 5/31/2026