lib/prawn/fonts/dfont.rb in prawn-2.4.0 vs lib/prawn/fonts/dfont.rb in prawn-2.5.0
- old
+ new
@@ -2,25 +2,31 @@
require_relative 'ttf'
module Prawn
module Fonts
- # @private
+ # DFONT font. DFONT is a bunch of TrueType fonts in a single file.
+ #
+ # @note You shouldn't use this class directly.
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.
#
+ # @param file [String]
+ # @return [Array<String>]
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.
#
+ # @param file [String]
+ # @return [Integer]
def self.font_count(file)
TTFunk::ResourceFile.open(file) do |f|
return f.map['sfnt'][:list].length
end
end