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#!/usr/bin/ruby
# encoding: utf-8
require "ttfunk"
def character_lookup(file, character)
puts "character : #{character}"
character_code = character.unpack("U*").first
puts "character code: #{character_code}"
glyph_id = file.cmap.unicode.first[character_code]
puts "glyph id : #{glyph_id}"
glyph = file.glyph_outlines.for(glyph_id)
puts "glyph type : %s" % glyph.class.name.split(/::/).last.downcase
puts "glyph size : %db" % glyph.raw.length
puts "glyph bbox : (%d,%d)-(%d,%d)" % [glyph.x_min, glyph.y_min, glyph.x_max, glyph.y_max]
if glyph.compound?
puts "components : %d %s" % [glyph.glyph_ids.length, glyph.glyph_ids.inspect]
end
end
file = TTFunk::File.open(ARGV.first || "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf")
puts "-- FONT ------------------------------------"
puts "revision : %08x" % file.header.font_revision
puts "name : #{file.name.font_name.join(', ')}"
puts "family : #{file.name.font_family.join(', ')}"
puts "subfamily : #{file.name.font_subfamily.join(', ')}"
puts "postscript: #{file.name.postscript_name}"
puts "-- FONT METRICS ----------------------------"
puts "units/em : #{file.header.units_per_em}"
puts "ascent : #{file.ascent}"
puts "descent : #{file.descent}"
puts "line gap : #{file.line_gap}"
puts "bbox : (%d,%d)-(%d,%d)" % file.bbox
puts "-- SIMPLE CHARACTER -> GLYPH LOOKUP --------"
character_lookup(file, "\xE2\x98\x9C")
puts "-- COMPOUND CHARACTER -> GLYPH LOOKUP ------"
character_lookup(file, "ë")
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