Font Custom

Icon fonts from the command line.

Generate cross-browser icon fonts and supporting files (@font-face CSS, etc.) from a collection of SVGs.

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Installation

Requires Ruby 1.9.2+, FontForge with Python scripting.

# On Mac
brew install fontforge eot-utils
gem install fontcustom

# On Linux
sudo apt-get install fontforge
wget http://people.mozilla.com/~jkew/woff/woff-code-latest.zip
unzip woff-code-latest.zip -d sfnt2woff && cd sfnt2woff && make && sudo mv sfnt2woff /usr/local/bin/
gem install fontcustom

Quick Start

fontcustom compile path/to/vectors  # Compiles icons into `fontcustom/`
fontcustom watch path/to/vectors    # Compiles when vectors are changed/added/removed
fontcustom compile                  # Uses configuration file at `fontcustom.yml`
                                    # or `config/fontcustom.yml`
fontcustom config                   # Generate a blank a configuration file
fontcustom help                     # See all options

Configuration

To preserve options between compiles, create a configuration file with fontcustom config. This should live in the directory where you run all fontcustom commands. Each of the following has its own command line flag (--css-selector, etc.). Defaults values are shown.

Basics

project_root: (pwd)                   # Context for all relative paths
input: (project_root)                 # Where vectors and templates are located
output: (project_root)/(font name)    # Where generated files will be saved
config: (pwd)/fontcustom.yml          # Optional path to a configuration file
debug: false                          # Output raw messages from fontforge
quiet: false                          # Silence all messages except errors

# For more control over file locations, set
# input and output as hashes instead of strings
input:
  vectors: path/to/vectors            # required
  templates: path/to/templates

output:
  fonts: app/assets/fonts             # required
  css: app/assets/stylesheets
  preview: app/views/styleguide

Fonts

font_name: fontcustom                 # Also sets the default output directory and
                                      # the name of generated stock templates
no_hash: false                        # Don't add asset-busting hashes to font files
autowidth: false                      # Automatically size glyphs based on the width of
                                      # their individual vectors

Templates

templates: [ css, preview ]           # List of templates to generate alongside fonts
                                      # Possible values: preview, css, scss, scss-rails
css_selector: .icon-{{glyph}}         # CSS selector format (`{{glyph}}` is replaced)
preprocessor_path: ""                 # Font path used in CSS proprocessor templates
                                      # Set to "" or false to use the bare font name

# Custom templates should live in the `input` 
# or `input[:templates]` directory and be added
# to `templates` as their basename:
templates: [ preview, VectorIcons.less ]

Custom templates have access to @options, @manifest, and the following ERB helpers:

• font_name
• font_face: FontSpring's Bulletproof @font-face syntax
• glyph_selectors: comma-separated list of all selectors
• glyphs: all selectors and their codepoint assignments (.icon-example:before { content: "\f103"; })

SVG Guidelines

• All colors will be rendered identically — including white fills.
• Make transparent colors solid. SVGs with transparency will be skipped.
• For greater precision, prefer fills to strokes (especially if your icon includes curves).
• Keep your icon within a square viewBox. Font Custom scales each SVG to fit a 512x512 canvas with a baseline at 448.
• Setting autowidth to true trims horizontal white space from each glyph. This can be much easier than centering dozens of SVGs by hand.

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