vttLib

A library to

1. Extract VTT hinting data from a OpenType font prepared with Microsoft Visual TrueType (VTT) and store it in a FontTools TTX dump
2. Merge it back from a TTX dump into an OpenType font and
3. Compile the data inside to font to ship it (turn TSI* tables into fpgm, etc.).

The primary use case is version control of hinting data of fonts.

Installation and Usage

Installation requires a Python 3.7+ interpreter.

Install in a virtual environment with:

$ pip install vttLib
$ python -m vttLib --help

Making a Release

This is currently not automated.

1. Tag a new version
2. python3 setup.py bdist_wheel
3. Manually transfer dist/*.whl to internal package repository.