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Name	Size	Permission
cmap	[ DIR ]	drwxr-xr-x
glyf	[ DIR ]	drwxr-xr-x
kern	[ DIR ]	drwxr-xr-x
post	[ DIR ]	drwxr-xr-x
cmap.rb	951 B	-rw-r--r--
glyf.rb	1.91 KB	-rw-r--r--
head.rb	1.21 KB	-rw-r--r--
hhea.rb	1.08 KB	-rw-r--r--
hmtx.rb	1.31 KB	-rw-r--r--
kern.rb	2.59 KB	-rw-r--r--
loca.rb	1.17 KB	-rw-r--r--
maxp.rb	1.17 KB	-rw-r--r--
name.rb	3.67 KB	-rw-r--r--
os2.rb	2.17 KB	-rw-r--r--
post.rb	2.23 KB	-rw-r--r--
sbix.rb	1.76 KB	-rw-r--r--
simple.rb	205 B	-rw-r--r--

Code Editor : glyf.rb

require_relative '../table'

module TTFunk
  class Table
    class Glyf < Table
      # Accepts a hash mapping (old) glyph-ids to glyph objects, and a hash
      # mapping old glyph-ids to new glyph-ids.
      #
      # Returns a hash containing:
      #
      # * :table - a string representing the encoded 'glyf' table containing
      #   the given glyphs.
      # * :offsets - an array of offsets for each glyph
      def self.encode(glyphs, new2old, old2new)
        result = { table: '', offsets: [] }

new2old.keys.sort.each do |new_id|
          glyph = glyphs[new2old[new_id]]
          result[:offsets] << result[:table].length
          result[:table] << glyph.recode(old2new) if glyph
        end

# include an offset at the end of the table, for use in computing the
        # size of the last glyph
        result[:offsets] << result[:table].length
        result
      end

def for(glyph_id)
        return @cache[glyph_id] if @cache.key?(glyph_id)

index = file.glyph_locations.index_of(glyph_id)
        size  = file.glyph_locations.size_of(glyph_id)

if size == 0 # blank glyph, e.g. space character
          @cache[glyph_id] = nil
          return nil
        end

parse_from(offset + index) do
          raw = io.read(size)
          number_of_contours, x_min, y_min, x_max, y_max =
            raw.unpack('n5').map { |i| to_signed(i) }

@cache[glyph_id] =
            if number_of_contours == -1
              Compound.new(raw, x_min, y_min, x_max, y_max)
            else
              Simple.new(raw, number_of_contours, x_min, y_min, x_max, y_max)
            end
        end
      end

private

def parse!
        # because the glyf table is rather complex to parse, we defer
        # the parse until we need a specific glyf, and then cache it.
        @cache = {}
      end
    end
  end
end

require_relative 'glyf/compound'
require_relative 'glyf/simple'

${this.title}

Code Editor : glyf.rb