# -*- encoding: utf-8; frozen_string_literal: true -*-
#
#--
# This file is part of HexaPDF.
#
# HexaPDF - A Versatile PDF Creation and Manipulation Library For Ruby
# Copyright (C) 2014-2025 Thomas Leitner
#
# HexaPDF is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License version 3 as
# published by the Free Software Foundation with the addition of the
# following permission added to Section 15 as permitted in Section 7(a):
# FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
# THOMAS LEITNER, THOMAS LEITNER DISCLAIMS THE WARRANTY OF NON
# INFRINGEMENT OF THIRD PARTY RIGHTS.
#
# HexaPDF is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
# License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with HexaPDF. If not, see <http://www.gnu.org/licenses/>.
#
# The interactive user interfaces in modified source and object code
# versions of HexaPDF must display Appropriate Legal Notices, as required
# under Section 5 of the GNU Affero General Public License version 3.
#
# In accordance with Section 7(b) of the GNU Affero General Public
# License, a covered work must retain the producer line in every PDF that
# is created or manipulated using HexaPDF.
#
# If the GNU Affero General Public License doesn't fit your need,
# commercial licenses are available at <https://gettalong.at/hexapdf/>.
#++

require 'hexapdf/data_dir'

module HexaPDF
  module Font

    # Contains implementations of the encodings used for fonts.
    module Encoding

      autoload(:Base, 'hexapdf/font/encoding/base')
      autoload(:StandardEncoding, 'hexapdf/font/encoding/standard_encoding')
      autoload(:MacRomanEncoding, 'hexapdf/font/encoding/mac_roman_encoding')
      autoload(:WinAnsiEncoding, 'hexapdf/font/encoding/win_ansi_encoding')
      autoload(:MacExpertEncoding, 'hexapdf/font/encoding/mac_expert_encoding')
      autoload(:SymbolEncoding, 'hexapdf/font/encoding/symbol_encoding')
      autoload(:ZapfDingbatsEncoding, 'hexapdf/font/encoding/zapf_dingbats_encoding')
      autoload(:DifferenceEncoding, 'hexapdf/font/encoding/difference_encoding')
      autoload(:GlyphList, 'hexapdf/font/encoding/glyph_list')

      # Returns the encoding object for the given name, or +nil+ if no such encoding is available.
      def self.for_name(name)
        case name
        when :WinAnsiEncoding then @win_ansi ||= WinAnsiEncoding.new
        when :MacRomanEncoding then @mac_roman ||= MacRomanEncoding.new
        when :StandardEncoding then @standard ||= StandardEncoding.new
        when :MacExpertEncoding then @mac_expert ||= MacExpertEncoding.new
        when :SymbolEncoding then @symbol ||= SymbolEncoding.new
        when :ZapfDingbatsEncoding then @zapf_dingbats ||= ZapfDingbatsEncoding.new
        else nil
        end
      end

    end

  end
end
