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Author message:

Not actively maintained

grunt-font-optimizer

Optimize TTF fonts and make font subsets with Grunt

Getting Started

This plugin requires Grunt ~0.4.1 and Perl

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-font-optimizer --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-font-optimizer');

The "font_optimizer" task

Overview

In your project's Gruntfile, add a section named font_optimizer to the data object passed into grunt.initConfig().

grunt.initConfig({
  font_optimizer: {
    default: {
      options: {
        // Characters to include
        chars: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',
        
        // Features to include.
        includeFeatures: ['kern']
      },
      files: {
        'fonts/font-optimized.ttf': ['fonts/font.ttf'],
      },
    },
  },
})

Options

options.chars

Type: String Default value: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'

List of characters to include in the optimized subset of font.

options.includeFeatures

Type: Array Default value: ['kern']

Font features to include in the optimized font.

• Use "none" to include no features.
• Leave array empty to include all features.

See list of all supported font features: http://en.wikipedia.org/wiki/OpenType_feature_tag_list#OpenType_typographic_features

Usage Examples

Optimizing file-by-file

Default behaviour is to add each font as it's own row to the option.files

grunt.initConfig({
  font_optimizer: {
    default: {
      options: {},
      files: {
        'fonts/font-optimized.ttf': ['fonts/font.ttf'],
        'fonts/font2-optimized.ttf': ['fonts/font2.ttf'],
      },
    },
  },
})

Optimizing whole directory at the time

You can also describe a wildcard selector to include e.g. the whole directory. In That case, describe a folder (ending with /) as the target:

grunt.initConfig({
  font_optimizer: {
    default: {
      options: {},
      files: {
        'optimized-fonts/': ['fonts/*.ttf'],
      },
    },
  },
})

Attributions

Uses Font Optimizer perl script by Philip Taylor to do the optimization. Font Optimizer script licensed under MIT license (found in /lib/font-optimizer/LICENSE).