Module: Fontisan::Ufo::Convert::ToDfont

Defined in:
lib/fontisan/ufo/convert/to_dfont.rb

Overview

UFO → dfont (Mac OS resource-fork font container). Two-step:

1. Compile UFO → TTF/OTF in tmpdir.
2. Load + feed to Collection::DfontBuilder, which wraps the
 SFNT binary in a Mac resource fork.

Class Method Summary collapse

Class Method Details

.convert(ufo, output_path:, compiler: :ttf, **_opts) ⇒ String

Returns the output_path.

Parameters:

  • ufo (Fontisan::Ufo::Font)
  • output_path (String)
  • compiler (Symbol) (defaults to: :ttf) —

    :ttf (default) or :otf

Returns:

  • (String) —

    the output_path

Raises:

  • (ArgumentError) 


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# File 'lib/fontisan/ufo/convert/to_dfont.rb', line 18

def self.convert(ufo, output_path:, compiler: :ttf, **_opts)
  compiler_class = Convert::COMPILER_FOR_FORMAT[compiler.to_sym]
  raise ArgumentError, "unknown intermediate compiler: #{compiler.inspect}" unless compiler_class

  Dir.mktmpdir do |dir|
    intermediate_path = File.join(dir, "intermediate#{ext_for(compiler)}")
    compiler_class.new(ufo).compile(output_path: intermediate_path)

    loaded = Fontisan::FontLoader.load(intermediate_path)
    result = Fontisan::Collection::DfontBuilder.new([loaded]).build
    File.binwrite(output_path, result[:binary])
  end

  output_path
end