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require_relative 'ttf'
module Prawn
class Font
# @private
class DFont < TTF
# Returns a list of the names of all named fonts in the given dfont file.
# Note that fonts are not required to be named in a dfont file, so the
# list may be empty even if the file does contain fonts. Also, note that
# the list is returned in no particular order, so the first font in the
# list is not necessarily the font at index 0 in the file.
#
def self.named_fonts(file)
TTFunk::ResourceFile.open(file) do |f|
return f.resources_for('sfnt')
end
end
# Returns the number of fonts contained in the dfont file.
#
def self.font_count(file)
TTFunk::ResourceFile.open(file) do |f|
return f.map['sfnt'][:list].length
end
end
private
def read_ttf_file
TTFunk::File.from_dfont(@name, @options[:font] || 0)
end
end
end
end
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