yoga

Converts and optimizes images and 3D models

https://github.com/wanadev/yoga

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Converts and optimizes images and 3D models

README.rst

YOGA - Yummy Optimizer for Gorgeous Assets
==========================================

|Github| |Discord| |PYPI Version| |Build Status| |Black| |License|

.. figure:: https://github.com/wanadev/yoga/raw/master/logo.png
   :alt:

**YOGA** is a command-line tool and a library that can:

* convert and optimize images from various format to JPEG, PNG and WEBP,
* convert and optimize 3D models from various formats to `glTF and GLB`_.

**Images** are opened using Pillow_ and optimized using Guetzli_ and MozJPEG_
for JPEGs, Zopflipng_ for PNGs and libwebp_ for WEBPs.

**3D Models** are converted and optimized using assimp_. If models contain or
reference images, they are processed by YOGA's image optimizer.

EXAMPLE: Converting and optimizing an image from CLI::

    yoga  image  input.png  output.png
    yoga  image  --output-format=jpeg  --jpeg-quality=84  input.png  output.jpg
    yoga  image  --help

EXAMPLE: Converting and optimizing a 3D model from CLI::

    yoga  model  input.fbx  output.glb
    yoga  model  --no-graph-optimization  --no-meshes-optimization  --image-output-format=jpeg  --image-jpeg-quality=84  input.fbx  output.glb
    yoga  model  --help

.. _glTF and GLB: https://www.khronos.org/gltf/
.. _Pillow: https://github.com/python-pillow/Pillow
.. _Guetzli: https://github.com/google/guetzli
.. _MozJPEG: https://github.com/mozilla/mozjpeg
.. _Zopflipng: https://github.com/google/zopfli
.. _libwebp: https://chromium.googlesource.com/webm/libwebp/
.. _assimp: https://github.com/assimp/assimp


Install
-------

* See `the install section of the documentation `_


Documentation
-------------

* `Command Line Interface (CLI) `_
* `Python API `_
* `Contributing `_


Changelog
---------

* **[NEXT]** (changes on ``master`` that have not been released yet):

  * Nothing yet ;)

* **v1.3.3-1:**

  * fix(standalone): Fixed standalone builds (missing ``_cffi_backend``) (#72, @flozz)
  * misc(standalone): Removed an old hack from Windows standalone build script (@flozz)
  * misc(ci): Added test to ensure standalone builds are working before releasing them... (#72, @flozz)
  * misc(deps): Updated Nuitka to v3.5.9 (@flozz)
  * **NOTE:** This release only fixes standalone builds; the YOGA code did not change so there is no new version published on PyPI.

* **v1.3.3:**

  * fix(build): Added missing setuptools versions pinning that break the PyPy builds (@flozz)

* **v1.3.2 / v1.3.2-1:**

  * fix(build): Fixed Windows build with recent setuptools versions (@flozz)
  * fix(release): Updated, fixed and improved standalone build scripts and CI (@flozz)
  * misc: Added Python 3.13 support (@flozz)
  * misc!: Removed Python 3.8 support (@flozz)

* **v1.3.1-1:**

  * This version has no code change from the v1.3.1. It is only an update of
    the distribution :

    * A brand new standalone version was build for Linux
    * The Windows standalone distribution was updated (changes in documentation)

  * dist: Added scripts to build a standalone binary version of YOGA on Linux

* **v1.3.1:**

  * chore(sdist): Fixed included files in sdist package (@flozz)

* **v1.3.0:**

  * feat(assimp): Updated assimp to v5.3.1 (fixed build on GCC >= 13) (@flozz)
  * chore: Removed a script that is no more needed (@flozz)
  * docs: Updated contributing documentation (libraries, supported Python
    version, assimp update) (@flozz)

* **v1.2.3:**

  * Code quality: more robust type comparison (@flozz)
  * Code quality: cleanup some Python 2.7 specific code (@flozz)
  * Added Python 3.12 support (@flozz)
  * Removed Python 3.7 support (@flozz)

* **v1.2.2:**

  * Updated the code to not use deprecated constants on newer Pillow versions
  * Various typo fixed (@kianmeng, #45)
  * Added Python 3.11 support

* **v1.2.1:**

  * No change: fix an upload error on PYPI

* **v1.2.0:**

  * Add color quantization options (based on libimagequant)
  * ``arm64`` and ``universal2`` wheels for macOS
  * ``x86`` and ``x68_64`` wheels for musl-based Linux distro (Alpine,...)
  * **MAINTAINERS:** New dependency: `imagequant `_

* **v1.1.2:**

  * Add flag to CFFI builder to fix MacOS build

* **v1.1.1 (not published):**

  * JPEG: ignore invalid values for the orientation tag (#38)
  * Python 3.10 support and wheels

* **v1.1.0:**

  * **JPEG Optimization:**

    * Honor the JPEG orientation EXIF tag
    * JPEG optimization has been improved by using some optimizations from
      MozJPEG after the Guetzli encoding (from 2.4 % to 7.3 % of additional size
      reduction)

  * **PNG Optimization:**

    * YOGA can no more output a PNG larger than the input one when performing
      a PNG to PNG optimization

  * **CLI:**

    * Allow to cancel an optimization using Ctrl+C (NOTE: may not work on
      Windows)
    * Add a ``--version`` option to get YOGA's version
    * Improve ``yoga --help`` usage

  * **Python versions:**

    * Python 2.7 support dropped

  * **NOTE for packagers:**

    * new dependency to `mozjpeg-lossless-optimization
      `_

* **v1.0.0:**

  * WEBP (lossy and lossless) images supported as output format
  * PNG default optimization preset changed to a 10× faster preset (old preset
    still available with ``--png-slow-optimization`` flag)
  * New model flag ``--no-fix-infacing-normals`` to disable Assimp's "fix
    infacing normals" postprocess (#32, #33)
  * Show CLI usage when no parameter given
  * Developer documentation improved (#31)
  * ASSIMP library updated
  * WARNING: This is the last version to actively support Python 2.7!

* **v0.11.1:**

  * Automated workflow for deploying the PyPI packages
  * Wheel are now distributed on PyPI

* **v0.11.0:**

  * Allows to build YOGA on Windows
  * Scripts and workflow to build Windows standalone versions

* **v0.10.2:**

  * Updates assimp and python libraries

* **v0.10.1:**

  * Fixes an issue that occurs when output file does not already exist

* **v0.10.0:**

  * Prevent overwriting of the output file when an error occurs (#17)
  * Unicode path support (#16)

* **v0.10.0b1:**

  * Verbose and quiet modes,
  * Allows to pass textures from memory instead of looking on the filesystem,
  * Allows to pass a fallback texture instead of raising an error.

* **v0.9.1b1:**

  * Automatic selection of the output format (png or jpeg),
  * Prevent duplication of textures that are shared between materials,
  * Fixes Windows paths of textures.

* **v0.9.0b1:** First release (only GLB output for models, no image auto
  output format)


.. |Github| image:: https://img.shields.io/github/stars/wanadev/yoga?label=Github&logo=github
   :target: https://github.com/wanadev/yoga
.. |Discord| image:: https://img.shields.io/badge/chat-Discord-8c9eff?logo=discord&logoColor=ffffff
   :target: https://discord.gg/BmUkEdMuFp
.. |PYPI Version| image:: https://img.shields.io/pypi/v/yoga.svg
   :target: https://pypi.python.org/pypi/yoga
.. |Build Status| image:: https://github.com/wanadev/yoga/actions/workflows/python-ci.yml/badge.svg
   :target: https://github.com/wanadev/yoga/actions
.. |Black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
   :target: https://black.readthedocs.io/en/stable/
.. |License| image:: https://img.shields.io/pypi/l/yoga.svg
   :target: https://github.com/wanadev/yoga/blob/master/LICENSE

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