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module TTFunk
module Encoding
class Windows1252
# XXX: Ruby 1.9.2 on OS X Lion segfaults on range1.zip(range2)
TO_UNICODE = Hash[*(0..255).zip((0..255).to_a).flatten]
TO_UNICODE.update(
0x80 => 0x20AC, 0x82 => 0x201A, 0x83 => 0x0192, 0x84 => 0x201E, 0x85 => 0x2026,
0x86 => 0x2020, 0x87 => 0x2021, 0x88 => 0x02C6, 0x89 => 0x2030, 0x8A => 0x0160,
0x8B => 0x2039, 0x8C => 0x0152, 0x8E => 0x017D, 0x91 => 0x2018, 0x92 => 0x2019,
0x93 => 0x201C, 0x94 => 0x201D, 0x95 => 0x2022, 0x96 => 0x2013, 0x97 => 0x2014,
0x98 => 0x02DC, 0x99 => 0x2122, 0x9A => 0x0161, 0x9B => 0x203A, 0x9C => 0x0152,
0x9E => 0x017E, 0x9F => 0x0178
)
FROM_UNICODE = {}
(0..255).each { |key| FROM_UNICODE[TO_UNICODE[key]] = key }
# Maps Windows-1252 codes to their corresponding index in the Postscript glyph
# table (see TTFunk::Table::Post::Format10). If any entry in this array is a string,
# it is a postscript glyph that is not in the standard list, and which should be
# emitted specially in the TTF postscript table ('post', see format 2).
POSTSCRIPT_GLYPH_MAPPING = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82,
83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 0,
"Euro", 0, 196, 166, 197, 171, 130, 194, 216, 198, 228, 190, 176, 0, 230, 0,
0, 182, 183, 180, 181, 135, 178, 179, 217, 140, 229, 191, 177, 0, 231, 186,
3, 163, 132, 133, 189, 150, 232, 134, 142, 139, 157, 169, 164, 16, 138, 218,
131, 147, 242, 243, 141, 151, 136, 195, 222, 241, 158, 170, 245, 244, 246, 162,
173, 201, 199, 174, 98, 99, 144, 100, 203, 101, 200, 202, 207, 204, 205, 206,
233, 102, 211, 208, 209, 175, 103, 240, 145, 214, 212, 213, 104, 235, 237, 137,
106, 105, 107, 109, 108, 110, 160, 111, 113, 112, 114, 115, 117, 116, 118, 119,
234, 120, 122, 121, 123, 125, 124, 184, 161, 127, 126, 128, 129, 236, 238, 186
]
def self.covers?(character)
!FROM_UNICODE[character].nil?
end
def self.to_utf8(string)
to_unicode_codepoints(string.unpack("C*")).pack("U*")
end
def self.to_unicode(string)
to_unicode_codepoints(string.unpack("C*")).pack("n*")
end
def self.from_utf8(string)
from_unicode_codepoints(string.unpack("U*")).pack("C*")
end
def self.from_unicode(string)
from_unicode_codepoints(string.unpack("n*")).pack("C*")
end
def self.to_unicode_codepoints(array)
array.map { |code| TO_UNICODE[code] }
end
def self.from_unicode_codepoints(array)
array.map { |code| FROM_UNICODE[code] || 0 }
end
end
end
end
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