added pdf417 support

pdf417/codewords.go

@@ -0,0 +1,416 @@
+package pdf417
+
+const start_word = 0x1fea8
+const stop_word = 0x3fa29
+
+var codewords = [][]int{
+	[]int{
+		0x1d5c0, 0x1eaf0, 0x1f57c, 0x1d4e0, 0x1ea78, 0x1f53e, 0x1a8c0,
+		0x1d470, 0x1a860, 0x15040, 0x1a830, 0x15020, 0x1adc0, 0x1d6f0,
+		0x1eb7c, 0x1ace0, 0x1d678, 0x1eb3e, 0x158c0, 0x1ac70, 0x15860,
+		0x15dc0, 0x1aef0, 0x1d77c, 0x15ce0, 0x1ae78, 0x1d73e, 0x15c70,
+		0x1ae3c, 0x15ef0, 0x1af7c, 0x15e78, 0x1af3e, 0x15f7c, 0x1f5fa,
+		0x1d2e0, 0x1e978, 0x1f4be, 0x1a4c0, 0x1d270, 0x1e93c, 0x1a460,
+		0x1d238, 0x14840, 0x1a430, 0x1d21c, 0x14820, 0x1a418, 0x14810,
+		0x1a6e0, 0x1d378, 0x1e9be, 0x14cc0, 0x1a670, 0x1d33c, 0x14c60,
+		0x1a638, 0x1d31e, 0x14c30, 0x1a61c, 0x14ee0, 0x1a778, 0x1d3be,
+		0x14e70, 0x1a73c, 0x14e38, 0x1a71e, 0x14f78, 0x1a7be, 0x14f3c,
+		0x14f1e, 0x1a2c0, 0x1d170, 0x1e8bc, 0x1a260, 0x1d138, 0x1e89e,
+		0x14440, 0x1a230, 0x1d11c, 0x14420, 0x1a218, 0x14410, 0x14408,
+		0x146c0, 0x1a370, 0x1d1bc, 0x14660, 0x1a338, 0x1d19e, 0x14630,
+		0x1a31c, 0x14618, 0x1460c, 0x14770, 0x1a3bc, 0x14738, 0x1a39e,
+		0x1471c, 0x147bc, 0x1a160, 0x1d0b8, 0x1e85e, 0x14240, 0x1a130,
+		0x1d09c, 0x14220, 0x1a118, 0x1d08e, 0x14210, 0x1a10c, 0x14208,
+		0x1a106, 0x14360, 0x1a1b8, 0x1d0de, 0x14330, 0x1a19c, 0x14318,
+		0x1a18e, 0x1430c, 0x14306, 0x1a1de, 0x1438e, 0x14140, 0x1a0b0,
+		0x1d05c, 0x14120, 0x1a098, 0x1d04e, 0x14110, 0x1a08c, 0x14108,
+		0x1a086, 0x14104, 0x141b0, 0x14198, 0x1418c, 0x140a0, 0x1d02e,
+		0x1a04c, 0x1a046, 0x14082, 0x1cae0, 0x1e578, 0x1f2be, 0x194c0,
+		0x1ca70, 0x1e53c, 0x19460, 0x1ca38, 0x1e51e, 0x12840, 0x19430,
+		0x12820, 0x196e0, 0x1cb78, 0x1e5be, 0x12cc0, 0x19670, 0x1cb3c,
+		0x12c60, 0x19638, 0x12c30, 0x12c18, 0x12ee0, 0x19778, 0x1cbbe,
+		0x12e70, 0x1973c, 0x12e38, 0x12e1c, 0x12f78, 0x197be, 0x12f3c,
+		0x12fbe, 0x1dac0, 0x1ed70, 0x1f6bc, 0x1da60, 0x1ed38, 0x1f69e,
+		0x1b440, 0x1da30, 0x1ed1c, 0x1b420, 0x1da18, 0x1ed0e, 0x1b410,
+		0x1da0c, 0x192c0, 0x1c970, 0x1e4bc, 0x1b6c0, 0x19260, 0x1c938,
+		0x1e49e, 0x1b660, 0x1db38, 0x1ed9e, 0x16c40, 0x12420, 0x19218,
+		0x1c90e, 0x16c20, 0x1b618, 0x16c10, 0x126c0, 0x19370, 0x1c9bc,
+		0x16ec0, 0x12660, 0x19338, 0x1c99e, 0x16e60, 0x1b738, 0x1db9e,
+		0x16e30, 0x12618, 0x16e18, 0x12770, 0x193bc, 0x16f70, 0x12738,
+		0x1939e, 0x16f38, 0x1b79e, 0x16f1c, 0x127bc, 0x16fbc, 0x1279e,
+		0x16f9e, 0x1d960, 0x1ecb8, 0x1f65e, 0x1b240, 0x1d930, 0x1ec9c,
+		0x1b220, 0x1d918, 0x1ec8e, 0x1b210, 0x1d90c, 0x1b208, 0x1b204,
+		0x19160, 0x1c8b8, 0x1e45e, 0x1b360, 0x19130, 0x1c89c, 0x16640,
+		0x12220, 0x1d99c, 0x1c88e, 0x16620, 0x12210, 0x1910c, 0x16610,
+		0x1b30c, 0x19106, 0x12204, 0x12360, 0x191b8, 0x1c8de, 0x16760,
+		0x12330, 0x1919c, 0x16730, 0x1b39c, 0x1918e, 0x16718, 0x1230c,
+		0x12306, 0x123b8, 0x191de, 0x167b8, 0x1239c, 0x1679c, 0x1238e,
+		0x1678e, 0x167de, 0x1b140, 0x1d8b0, 0x1ec5c, 0x1b120, 0x1d898,
+		0x1ec4e, 0x1b110, 0x1d88c, 0x1b108, 0x1d886, 0x1b104, 0x1b102,
+		0x12140, 0x190b0, 0x1c85c, 0x16340, 0x12120, 0x19098, 0x1c84e,
+		0x16320, 0x1b198, 0x1d8ce, 0x16310, 0x12108, 0x19086, 0x16308,
+		0x1b186, 0x16304, 0x121b0, 0x190dc, 0x163b0, 0x12198, 0x190ce,
+		0x16398, 0x1b1ce, 0x1638c, 0x12186, 0x16386, 0x163dc, 0x163ce,
+		0x1b0a0, 0x1d858, 0x1ec2e, 0x1b090, 0x1d84c, 0x1b088, 0x1d846,
+		0x1b084, 0x1b082, 0x120a0, 0x19058, 0x1c82e, 0x161a0, 0x12090,
+		0x1904c, 0x16190, 0x1b0cc, 0x19046, 0x16188, 0x12084, 0x16184,
+		0x12082, 0x120d8, 0x161d8, 0x161cc, 0x161c6, 0x1d82c, 0x1d826,
+		0x1b042, 0x1902c, 0x12048, 0x160c8, 0x160c4, 0x160c2, 0x18ac0,
+		0x1c570, 0x1e2bc, 0x18a60, 0x1c538, 0x11440, 0x18a30, 0x1c51c,
+		0x11420, 0x18a18, 0x11410, 0x11408, 0x116c0, 0x18b70, 0x1c5bc,
+		0x11660, 0x18b38, 0x1c59e, 0x11630, 0x18b1c, 0x11618, 0x1160c,
+		0x11770, 0x18bbc, 0x11738, 0x18b9e, 0x1171c, 0x117bc, 0x1179e,
+		0x1cd60, 0x1e6b8, 0x1f35e, 0x19a40, 0x1cd30, 0x1e69c, 0x19a20,
+		0x1cd18, 0x1e68e, 0x19a10, 0x1cd0c, 0x19a08, 0x1cd06, 0x18960,
+		0x1c4b8, 0x1e25e, 0x19b60, 0x18930, 0x1c49c, 0x13640, 0x11220,
+		0x1cd9c, 0x1c48e, 0x13620, 0x19b18, 0x1890c, 0x13610, 0x11208,
+		0x13608, 0x11360, 0x189b8, 0x1c4de, 0x13760, 0x11330, 0x1cdde,
+		0x13730, 0x19b9c, 0x1898e, 0x13718, 0x1130c, 0x1370c, 0x113b8,
+		0x189de, 0x137b8, 0x1139c, 0x1379c, 0x1138e, 0x113de, 0x137de,
+		0x1dd40, 0x1eeb0, 0x1f75c, 0x1dd20, 0x1ee98, 0x1f74e, 0x1dd10,
+		0x1ee8c, 0x1dd08, 0x1ee86, 0x1dd04, 0x19940, 0x1ccb0, 0x1e65c,
+		0x1bb40, 0x19920, 0x1eedc, 0x1e64e, 0x1bb20, 0x1dd98, 0x1eece,
+		0x1bb10, 0x19908, 0x1cc86, 0x1bb08, 0x1dd86, 0x19902, 0x11140,
+		0x188b0, 0x1c45c, 0x13340, 0x11120, 0x18898, 0x1c44e, 0x17740,
+		0x13320, 0x19998, 0x1ccce, 0x17720, 0x1bb98, 0x1ddce, 0x18886,
+		0x17710, 0x13308, 0x19986, 0x17708, 0x11102, 0x111b0, 0x188dc,
+		0x133b0, 0x11198, 0x188ce, 0x177b0, 0x13398, 0x199ce, 0x17798,
+		0x1bbce, 0x11186, 0x13386, 0x111dc, 0x133dc, 0x111ce, 0x177dc,
+		0x133ce, 0x1dca0, 0x1ee58, 0x1f72e, 0x1dc90, 0x1ee4c, 0x1dc88,
+		0x1ee46, 0x1dc84, 0x1dc82, 0x198a0, 0x1cc58, 0x1e62e, 0x1b9a0,
+		0x19890, 0x1ee6e, 0x1b990, 0x1dccc, 0x1cc46, 0x1b988, 0x19884,
+		0x1b984, 0x19882, 0x1b982, 0x110a0, 0x18858, 0x1c42e, 0x131a0,
+		0x11090, 0x1884c, 0x173a0, 0x13190, 0x198cc, 0x18846, 0x17390,
+		0x1b9cc, 0x11084, 0x17388, 0x13184, 0x11082, 0x13182, 0x110d8,
+		0x1886e, 0x131d8, 0x110cc, 0x173d8, 0x131cc, 0x110c6, 0x173cc,
+		0x131c6, 0x110ee, 0x173ee, 0x1dc50, 0x1ee2c, 0x1dc48, 0x1ee26,
+		0x1dc44, 0x1dc42, 0x19850, 0x1cc2c, 0x1b8d0, 0x19848, 0x1cc26,
+		0x1b8c8, 0x1dc66, 0x1b8c4, 0x19842, 0x1b8c2, 0x11050, 0x1882c,
+		0x130d0, 0x11048, 0x18826, 0x171d0, 0x130c8, 0x19866, 0x171c8,
+		0x1b8e6, 0x11042, 0x171c4, 0x130c2, 0x171c2, 0x130ec, 0x171ec,
+		0x171e6, 0x1ee16, 0x1dc22, 0x1cc16, 0x19824, 0x19822, 0x11028,
+		0x13068, 0x170e8, 0x11022, 0x13062, 0x18560, 0x10a40, 0x18530,
+		0x10a20, 0x18518, 0x1c28e, 0x10a10, 0x1850c, 0x10a08, 0x18506,
+		0x10b60, 0x185b8, 0x1c2de, 0x10b30, 0x1859c, 0x10b18, 0x1858e,
+		0x10b0c, 0x10b06, 0x10bb8, 0x185de, 0x10b9c, 0x10b8e, 0x10bde,
+		0x18d40, 0x1c6b0, 0x1e35c, 0x18d20, 0x1c698, 0x18d10, 0x1c68c,
+		0x18d08, 0x1c686, 0x18d04, 0x10940, 0x184b0, 0x1c25c, 0x11b40,
+		0x10920, 0x1c6dc, 0x1c24e, 0x11b20, 0x18d98, 0x1c6ce, 0x11b10,
+		0x10908, 0x18486, 0x11b08, 0x18d86, 0x10902, 0x109b0, 0x184dc,
+		0x11bb0, 0x10998, 0x184ce, 0x11b98, 0x18dce, 0x11b8c, 0x10986,
+		0x109dc, 0x11bdc, 0x109ce, 0x11bce, 0x1cea0, 0x1e758, 0x1f3ae,
+		0x1ce90, 0x1e74c, 0x1ce88, 0x1e746, 0x1ce84, 0x1ce82, 0x18ca0,
+		0x1c658, 0x19da0, 0x18c90, 0x1c64c, 0x19d90, 0x1cecc, 0x1c646,
+		0x19d88, 0x18c84, 0x19d84, 0x18c82, 0x19d82, 0x108a0, 0x18458,
+		0x119a0, 0x10890, 0x1c66e, 0x13ba0, 0x11990, 0x18ccc, 0x18446,
+		0x13b90, 0x19dcc, 0x10884, 0x13b88, 0x11984, 0x10882, 0x11982,
+		0x108d8, 0x1846e, 0x119d8, 0x108cc, 0x13bd8, 0x119cc, 0x108c6,
+		0x13bcc, 0x119c6, 0x108ee, 0x119ee, 0x13bee, 0x1ef50, 0x1f7ac,
+		0x1ef48, 0x1f7a6, 0x1ef44, 0x1ef42, 0x1ce50, 0x1e72c, 0x1ded0,
+		0x1ef6c, 0x1e726, 0x1dec8, 0x1ef66, 0x1dec4, 0x1ce42, 0x1dec2,
+		0x18c50, 0x1c62c, 0x19cd0, 0x18c48, 0x1c626, 0x1bdd0, 0x19cc8,
+		0x1ce66, 0x1bdc8, 0x1dee6, 0x18c42, 0x1bdc4, 0x19cc2, 0x1bdc2,
+		0x10850, 0x1842c, 0x118d0, 0x10848, 0x18426, 0x139d0, 0x118c8,
+		0x18c66, 0x17bd0, 0x139c8, 0x19ce6, 0x10842, 0x17bc8, 0x1bde6,
+		0x118c2, 0x17bc4, 0x1086c, 0x118ec, 0x10866, 0x139ec, 0x118e6,
+		0x17bec, 0x139e6, 0x17be6, 0x1ef28, 0x1f796, 0x1ef24, 0x1ef22,
+		0x1ce28, 0x1e716, 0x1de68, 0x1ef36, 0x1de64, 0x1ce22, 0x1de62,
+		0x18c28, 0x1c616, 0x19c68, 0x18c24, 0x1bce8, 0x19c64, 0x18c22,
+		0x1bce4, 0x19c62, 0x1bce2, 0x10828, 0x18416, 0x11868, 0x18c36,
+		0x138e8, 0x11864, 0x10822, 0x179e8, 0x138e4, 0x11862, 0x179e4,
+		0x138e2, 0x179e2, 0x11876, 0x179f6, 0x1ef12, 0x1de34, 0x1de32,
+		0x19c34, 0x1bc74, 0x1bc72, 0x11834, 0x13874, 0x178f4, 0x178f2,
+		0x10540, 0x10520, 0x18298, 0x10510, 0x10508, 0x10504, 0x105b0,
+		0x10598, 0x1058c, 0x10586, 0x105dc, 0x105ce, 0x186a0, 0x18690,
+		0x1c34c, 0x18688, 0x1c346, 0x18684, 0x18682, 0x104a0, 0x18258,
+		0x10da0, 0x186d8, 0x1824c, 0x10d90, 0x186cc, 0x10d88, 0x186c6,
+		0x10d84, 0x10482, 0x10d82, 0x104d8, 0x1826e, 0x10dd8, 0x186ee,
+		0x10dcc, 0x104c6, 0x10dc6, 0x104ee, 0x10dee, 0x1c750, 0x1c748,
+		0x1c744, 0x1c742, 0x18650, 0x18ed0, 0x1c76c, 0x1c326, 0x18ec8,
+		0x1c766, 0x18ec4, 0x18642, 0x18ec2, 0x10450, 0x10cd0, 0x10448,
+		0x18226, 0x11dd0, 0x10cc8, 0x10444, 0x11dc8, 0x10cc4, 0x10442,
+		0x11dc4, 0x10cc2, 0x1046c, 0x10cec, 0x10466, 0x11dec, 0x10ce6,
+		0x11de6, 0x1e7a8, 0x1e7a4, 0x1e7a2, 0x1c728, 0x1cf68, 0x1e7b6,
+		0x1cf64, 0x1c722, 0x1cf62, 0x18628, 0x1c316, 0x18e68, 0x1c736,
+		0x19ee8, 0x18e64, 0x18622, 0x19ee4, 0x18e62, 0x19ee2, 0x10428,
+		0x18216, 0x10c68, 0x18636, 0x11ce8, 0x10c64, 0x10422, 0x13de8,
+		0x11ce4, 0x10c62, 0x13de4, 0x11ce2, 0x10436, 0x10c76, 0x11cf6,
+		0x13df6, 0x1f7d4, 0x1f7d2, 0x1e794, 0x1efb4, 0x1e792, 0x1efb2,
+		0x1c714, 0x1cf34, 0x1c712, 0x1df74, 0x1cf32, 0x1df72, 0x18614,
+		0x18e34, 0x18612, 0x19e74, 0x18e32, 0x1bef4,
+	},
+	[]int{
+		0x1f560, 0x1fab8, 0x1ea40, 0x1f530, 0x1fa9c, 0x1ea20, 0x1f518,
+		0x1fa8e, 0x1ea10, 0x1f50c, 0x1ea08, 0x1f506, 0x1ea04, 0x1eb60,
+		0x1f5b8, 0x1fade, 0x1d640, 0x1eb30, 0x1f59c, 0x1d620, 0x1eb18,
+		0x1f58e, 0x1d610, 0x1eb0c, 0x1d608, 0x1eb06, 0x1d604, 0x1d760,
+		0x1ebb8, 0x1f5de, 0x1ae40, 0x1d730, 0x1eb9c, 0x1ae20, 0x1d718,
+		0x1eb8e, 0x1ae10, 0x1d70c, 0x1ae08, 0x1d706, 0x1ae04, 0x1af60,
+		0x1d7b8, 0x1ebde, 0x15e40, 0x1af30, 0x1d79c, 0x15e20, 0x1af18,
+		0x1d78e, 0x15e10, 0x1af0c, 0x15e08, 0x1af06, 0x15f60, 0x1afb8,
+		0x1d7de, 0x15f30, 0x1af9c, 0x15f18, 0x1af8e, 0x15f0c, 0x15fb8,
+		0x1afde, 0x15f9c, 0x15f8e, 0x1e940, 0x1f4b0, 0x1fa5c, 0x1e920,
+		0x1f498, 0x1fa4e, 0x1e910, 0x1f48c, 0x1e908, 0x1f486, 0x1e904,
+		0x1e902, 0x1d340, 0x1e9b0, 0x1f4dc, 0x1d320, 0x1e998, 0x1f4ce,
+		0x1d310, 0x1e98c, 0x1d308, 0x1e986, 0x1d304, 0x1d302, 0x1a740,
+		0x1d3b0, 0x1e9dc, 0x1a720, 0x1d398, 0x1e9ce, 0x1a710, 0x1d38c,
+		0x1a708, 0x1d386, 0x1a704, 0x1a702, 0x14f40, 0x1a7b0, 0x1d3dc,
+		0x14f20, 0x1a798, 0x1d3ce, 0x14f10, 0x1a78c, 0x14f08, 0x1a786,
+		0x14f04, 0x14fb0, 0x1a7dc, 0x14f98, 0x1a7ce, 0x14f8c, 0x14f86,
+		0x14fdc, 0x14fce, 0x1e8a0, 0x1f458, 0x1fa2e, 0x1e890, 0x1f44c,
+		0x1e888, 0x1f446, 0x1e884, 0x1e882, 0x1d1a0, 0x1e8d8, 0x1f46e,
+		0x1d190, 0x1e8cc, 0x1d188, 0x1e8c6, 0x1d184, 0x1d182, 0x1a3a0,
+		0x1d1d8, 0x1e8ee, 0x1a390, 0x1d1cc, 0x1a388, 0x1d1c6, 0x1a384,
+		0x1a382, 0x147a0, 0x1a3d8, 0x1d1ee, 0x14790, 0x1a3cc, 0x14788,
+		0x1a3c6, 0x14784, 0x14782, 0x147d8, 0x1a3ee, 0x147cc, 0x147c6,
+		0x147ee, 0x1e850, 0x1f42c, 0x1e848, 0x1f426, 0x1e844, 0x1e842,
+		0x1d0d0, 0x1e86c, 0x1d0c8, 0x1e866, 0x1d0c4, 0x1d0c2, 0x1a1d0,
+		0x1d0ec, 0x1a1c8, 0x1d0e6, 0x1a1c4, 0x1a1c2, 0x143d0, 0x1a1ec,
+		0x143c8, 0x1a1e6, 0x143c4, 0x143c2, 0x143ec, 0x143e6, 0x1e828,
+		0x1f416, 0x1e824, 0x1e822, 0x1d068, 0x1e836, 0x1d064, 0x1d062,
+		0x1a0e8, 0x1d076, 0x1a0e4, 0x1a0e2, 0x141e8, 0x1a0f6, 0x141e4,
+		0x141e2, 0x1e814, 0x1e812, 0x1d034, 0x1d032, 0x1a074, 0x1a072,
+		0x1e540, 0x1f2b0, 0x1f95c, 0x1e520, 0x1f298, 0x1f94e, 0x1e510,
+		0x1f28c, 0x1e508, 0x1f286, 0x1e504, 0x1e502, 0x1cb40, 0x1e5b0,
+		0x1f2dc, 0x1cb20, 0x1e598, 0x1f2ce, 0x1cb10, 0x1e58c, 0x1cb08,
+		0x1e586, 0x1cb04, 0x1cb02, 0x19740, 0x1cbb0, 0x1e5dc, 0x19720,
+		0x1cb98, 0x1e5ce, 0x19710, 0x1cb8c, 0x19708, 0x1cb86, 0x19704,
+		0x19702, 0x12f40, 0x197b0, 0x1cbdc, 0x12f20, 0x19798, 0x1cbce,
+		0x12f10, 0x1978c, 0x12f08, 0x19786, 0x12f04, 0x12fb0, 0x197dc,
+		0x12f98, 0x197ce, 0x12f8c, 0x12f86, 0x12fdc, 0x12fce, 0x1f6a0,
+		0x1fb58, 0x16bf0, 0x1f690, 0x1fb4c, 0x169f8, 0x1f688, 0x1fb46,
+		0x168fc, 0x1f684, 0x1f682, 0x1e4a0, 0x1f258, 0x1f92e, 0x1eda0,
+		0x1e490, 0x1fb6e, 0x1ed90, 0x1f6cc, 0x1f246, 0x1ed88, 0x1e484,
+		0x1ed84, 0x1e482, 0x1ed82, 0x1c9a0, 0x1e4d8, 0x1f26e, 0x1dba0,
+		0x1c990, 0x1e4cc, 0x1db90, 0x1edcc, 0x1e4c6, 0x1db88, 0x1c984,
+		0x1db84, 0x1c982, 0x1db82, 0x193a0, 0x1c9d8, 0x1e4ee, 0x1b7a0,
+		0x19390, 0x1c9cc, 0x1b790, 0x1dbcc, 0x1c9c6, 0x1b788, 0x19384,
+		0x1b784, 0x19382, 0x1b782, 0x127a0, 0x193d8, 0x1c9ee, 0x16fa0,
+		0x12790, 0x193cc, 0x16f90, 0x1b7cc, 0x193c6, 0x16f88, 0x12784,
+		0x16f84, 0x12782, 0x127d8, 0x193ee, 0x16fd8, 0x127cc, 0x16fcc,
+		0x127c6, 0x16fc6, 0x127ee, 0x1f650, 0x1fb2c, 0x165f8, 0x1f648,
+		0x1fb26, 0x164fc, 0x1f644, 0x1647e, 0x1f642, 0x1e450, 0x1f22c,
+		0x1ecd0, 0x1e448, 0x1f226, 0x1ecc8, 0x1f666, 0x1ecc4, 0x1e442,
+		0x1ecc2, 0x1c8d0, 0x1e46c, 0x1d9d0, 0x1c8c8, 0x1e466, 0x1d9c8,
+		0x1ece6, 0x1d9c4, 0x1c8c2, 0x1d9c2, 0x191d0, 0x1c8ec, 0x1b3d0,
+		0x191c8, 0x1c8e6, 0x1b3c8, 0x1d9e6, 0x1b3c4, 0x191c2, 0x1b3c2,
+		0x123d0, 0x191ec, 0x167d0, 0x123c8, 0x191e6, 0x167c8, 0x1b3e6,
+		0x167c4, 0x123c2, 0x167c2, 0x123ec, 0x167ec, 0x123e6, 0x167e6,
+		0x1f628, 0x1fb16, 0x162fc, 0x1f624, 0x1627e, 0x1f622, 0x1e428,
+		0x1f216, 0x1ec68, 0x1f636, 0x1ec64, 0x1e422, 0x1ec62, 0x1c868,
+		0x1e436, 0x1d8e8, 0x1c864, 0x1d8e4, 0x1c862, 0x1d8e2, 0x190e8,
+		0x1c876, 0x1b1e8, 0x1d8f6, 0x1b1e4, 0x190e2, 0x1b1e2, 0x121e8,
+		0x190f6, 0x163e8, 0x121e4, 0x163e4, 0x121e2, 0x163e2, 0x121f6,
+		0x163f6, 0x1f614, 0x1617e, 0x1f612, 0x1e414, 0x1ec34, 0x1e412,
+		0x1ec32, 0x1c834, 0x1d874, 0x1c832, 0x1d872, 0x19074, 0x1b0f4,
+		0x19072, 0x1b0f2, 0x120f4, 0x161f4, 0x120f2, 0x161f2, 0x1f60a,
+		0x1e40a, 0x1ec1a, 0x1c81a, 0x1d83a, 0x1903a, 0x1b07a, 0x1e2a0,
+		0x1f158, 0x1f8ae, 0x1e290, 0x1f14c, 0x1e288, 0x1f146, 0x1e284,
+		0x1e282, 0x1c5a0, 0x1e2d8, 0x1f16e, 0x1c590, 0x1e2cc, 0x1c588,
+		0x1e2c6, 0x1c584, 0x1c582, 0x18ba0, 0x1c5d8, 0x1e2ee, 0x18b90,
+		0x1c5cc, 0x18b88, 0x1c5c6, 0x18b84, 0x18b82, 0x117a0, 0x18bd8,
+		0x1c5ee, 0x11790, 0x18bcc, 0x11788, 0x18bc6, 0x11784, 0x11782,
+		0x117d8, 0x18bee, 0x117cc, 0x117c6, 0x117ee, 0x1f350, 0x1f9ac,
+		0x135f8, 0x1f348, 0x1f9a6, 0x134fc, 0x1f344, 0x1347e, 0x1f342,
+		0x1e250, 0x1f12c, 0x1e6d0, 0x1e248, 0x1f126, 0x1e6c8, 0x1f366,
+		0x1e6c4, 0x1e242, 0x1e6c2, 0x1c4d0, 0x1e26c, 0x1cdd0, 0x1c4c8,
+		0x1e266, 0x1cdc8, 0x1e6e6, 0x1cdc4, 0x1c4c2, 0x1cdc2, 0x189d0,
+		0x1c4ec, 0x19bd0, 0x189c8, 0x1c4e6, 0x19bc8, 0x1cde6, 0x19bc4,
+		0x189c2, 0x19bc2, 0x113d0, 0x189ec, 0x137d0, 0x113c8, 0x189e6,
+		0x137c8, 0x19be6, 0x137c4, 0x113c2, 0x137c2, 0x113ec, 0x137ec,
+		0x113e6, 0x137e6, 0x1fba8, 0x175f0, 0x1bafc, 0x1fba4, 0x174f8,
+		0x1ba7e, 0x1fba2, 0x1747c, 0x1743e, 0x1f328, 0x1f996, 0x132fc,
+		0x1f768, 0x1fbb6, 0x176fc, 0x1327e, 0x1f764, 0x1f322, 0x1767e,
+		0x1f762, 0x1e228, 0x1f116, 0x1e668, 0x1e224, 0x1eee8, 0x1f776,
+		0x1e222, 0x1eee4, 0x1e662, 0x1eee2, 0x1c468, 0x1e236, 0x1cce8,
+		0x1c464, 0x1dde8, 0x1cce4, 0x1c462, 0x1dde4, 0x1cce2, 0x1dde2,
+		0x188e8, 0x1c476, 0x199e8, 0x188e4, 0x1bbe8, 0x199e4, 0x188e2,
+		0x1bbe4, 0x199e2, 0x1bbe2, 0x111e8, 0x188f6, 0x133e8, 0x111e4,
+		0x177e8, 0x133e4, 0x111e2, 0x177e4, 0x133e2, 0x177e2, 0x111f6,
+		0x133f6, 0x1fb94, 0x172f8, 0x1b97e, 0x1fb92, 0x1727c, 0x1723e,
+		0x1f314, 0x1317e, 0x1f734, 0x1f312, 0x1737e, 0x1f732, 0x1e214,
+		0x1e634, 0x1e212, 0x1ee74, 0x1e632, 0x1ee72, 0x1c434, 0x1cc74,
+		0x1c432, 0x1dcf4, 0x1cc72, 0x1dcf2, 0x18874, 0x198f4, 0x18872,
+		0x1b9f4, 0x198f2, 0x1b9f2, 0x110f4, 0x131f4, 0x110f2, 0x173f4,
+		0x131f2, 0x173f2, 0x1fb8a, 0x1717c, 0x1713e, 0x1f30a, 0x1f71a,
+		0x1e20a, 0x1e61a, 0x1ee3a, 0x1c41a, 0x1cc3a, 0x1dc7a, 0x1883a,
+		0x1987a, 0x1b8fa, 0x1107a, 0x130fa, 0x171fa, 0x170be, 0x1e150,
+		0x1f0ac, 0x1e148, 0x1f0a6, 0x1e144, 0x1e142, 0x1c2d0, 0x1e16c,
+		0x1c2c8, 0x1e166, 0x1c2c4, 0x1c2c2, 0x185d0, 0x1c2ec, 0x185c8,
+		0x1c2e6, 0x185c4, 0x185c2, 0x10bd0, 0x185ec, 0x10bc8, 0x185e6,
+		0x10bc4, 0x10bc2, 0x10bec, 0x10be6, 0x1f1a8, 0x1f8d6, 0x11afc,
+		0x1f1a4, 0x11a7e, 0x1f1a2, 0x1e128, 0x1f096, 0x1e368, 0x1e124,
+		0x1e364, 0x1e122, 0x1e362, 0x1c268, 0x1e136, 0x1c6e8, 0x1c264,
+		0x1c6e4, 0x1c262, 0x1c6e2, 0x184e8, 0x1c276, 0x18de8, 0x184e4,
+		0x18de4, 0x184e2, 0x18de2, 0x109e8, 0x184f6, 0x11be8, 0x109e4,
+		0x11be4, 0x109e2, 0x11be2, 0x109f6, 0x11bf6, 0x1f9d4, 0x13af8,
+		0x19d7e, 0x1f9d2, 0x13a7c, 0x13a3e, 0x1f194, 0x1197e, 0x1f3b4,
+		0x1f192, 0x13b7e, 0x1f3b2, 0x1e114, 0x1e334, 0x1e112, 0x1e774,
+		0x1e332, 0x1e772, 0x1c234, 0x1c674, 0x1c232, 0x1cef4, 0x1c672,
+		0x1cef2, 0x18474, 0x18cf4, 0x18472, 0x19df4, 0x18cf2, 0x19df2,
+		0x108f4, 0x119f4, 0x108f2, 0x13bf4, 0x119f2, 0x13bf2, 0x17af0,
+		0x1bd7c, 0x17a78, 0x1bd3e, 0x17a3c, 0x17a1e, 0x1f9ca, 0x1397c,
+		0x1fbda, 0x17b7c, 0x1393e, 0x17b3e, 0x1f18a, 0x1f39a, 0x1f7ba,
+		0x1e10a, 0x1e31a, 0x1e73a, 0x1ef7a, 0x1c21a, 0x1c63a, 0x1ce7a,
+		0x1defa, 0x1843a, 0x18c7a, 0x19cfa, 0x1bdfa, 0x1087a, 0x118fa,
+		0x139fa, 0x17978, 0x1bcbe, 0x1793c, 0x1791e, 0x138be, 0x179be,
+		0x178bc, 0x1789e, 0x1785e, 0x1e0a8, 0x1e0a4, 0x1e0a2, 0x1c168,
+		0x1e0b6, 0x1c164, 0x1c162, 0x182e8, 0x1c176, 0x182e4, 0x182e2,
+		0x105e8, 0x182f6, 0x105e4, 0x105e2, 0x105f6, 0x1f0d4, 0x10d7e,
+		0x1f0d2, 0x1e094, 0x1e1b4, 0x1e092, 0x1e1b2, 0x1c134, 0x1c374,
+		0x1c132, 0x1c372, 0x18274, 0x186f4, 0x18272, 0x186f2, 0x104f4,
+		0x10df4, 0x104f2, 0x10df2, 0x1f8ea, 0x11d7c, 0x11d3e, 0x1f0ca,
+		0x1f1da, 0x1e08a, 0x1e19a, 0x1e3ba, 0x1c11a, 0x1c33a, 0x1c77a,
+		0x1823a, 0x1867a, 0x18efa, 0x1047a, 0x10cfa, 0x11dfa, 0x13d78,
+		0x19ebe, 0x13d3c, 0x13d1e, 0x11cbe, 0x13dbe, 0x17d70, 0x1bebc,
+		0x17d38, 0x1be9e, 0x17d1c, 0x17d0e, 0x13cbc, 0x17dbc, 0x13c9e,
+		0x17d9e, 0x17cb8, 0x1be5e, 0x17c9c, 0x17c8e, 0x13c5e, 0x17cde,
+		0x17c5c, 0x17c4e, 0x17c2e, 0x1c0b4, 0x1c0b2, 0x18174, 0x18172,
+		0x102f4, 0x102f2, 0x1e0da, 0x1c09a, 0x1c1ba, 0x1813a, 0x1837a,
+		0x1027a, 0x106fa, 0x10ebe, 0x11ebc, 0x11e9e, 0x13eb8, 0x19f5e,
+		0x13e9c, 0x13e8e, 0x11e5e, 0x13ede, 0x17eb0, 0x1bf5c, 0x17e98,
+		0x1bf4e, 0x17e8c, 0x17e86, 0x13e5c, 0x17edc, 0x13e4e, 0x17ece,
+		0x17e58, 0x1bf2e, 0x17e4c, 0x17e46, 0x13e2e, 0x17e6e, 0x17e2c,
+		0x17e26, 0x10f5e, 0x11f5c, 0x11f4e, 0x13f58, 0x19fae, 0x13f4c,
+		0x13f46, 0x11f2e, 0x13f6e, 0x13f2c, 0x13f26,
+	},
+	[]int{
+		0x1abe0, 0x1d5f8, 0x153c0, 0x1a9f0, 0x1d4fc, 0x151e0, 0x1a8f8,
+		0x1d47e, 0x150f0, 0x1a87c, 0x15078, 0x1fad0, 0x15be0, 0x1adf8,
+		0x1fac8, 0x159f0, 0x1acfc, 0x1fac4, 0x158f8, 0x1ac7e, 0x1fac2,
+		0x1587c, 0x1f5d0, 0x1faec, 0x15df8, 0x1f5c8, 0x1fae6, 0x15cfc,
+		0x1f5c4, 0x15c7e, 0x1f5c2, 0x1ebd0, 0x1f5ec, 0x1ebc8, 0x1f5e6,
+		0x1ebc4, 0x1ebc2, 0x1d7d0, 0x1ebec, 0x1d7c8, 0x1ebe6, 0x1d7c4,
+		0x1d7c2, 0x1afd0, 0x1d7ec, 0x1afc8, 0x1d7e6, 0x1afc4, 0x14bc0,
+		0x1a5f0, 0x1d2fc, 0x149e0, 0x1a4f8, 0x1d27e, 0x148f0, 0x1a47c,
+		0x14878, 0x1a43e, 0x1483c, 0x1fa68, 0x14df0, 0x1a6fc, 0x1fa64,
+		0x14cf8, 0x1a67e, 0x1fa62, 0x14c7c, 0x14c3e, 0x1f4e8, 0x1fa76,
+		0x14efc, 0x1f4e4, 0x14e7e, 0x1f4e2, 0x1e9e8, 0x1f4f6, 0x1e9e4,
+		0x1e9e2, 0x1d3e8, 0x1e9f6, 0x1d3e4, 0x1d3e2, 0x1a7e8, 0x1d3f6,
+		0x1a7e4, 0x1a7e2, 0x145e0, 0x1a2f8, 0x1d17e, 0x144f0, 0x1a27c,
+		0x14478, 0x1a23e, 0x1443c, 0x1441e, 0x1fa34, 0x146f8, 0x1a37e,
+		0x1fa32, 0x1467c, 0x1463e, 0x1f474, 0x1477e, 0x1f472, 0x1e8f4,
+		0x1e8f2, 0x1d1f4, 0x1d1f2, 0x1a3f4, 0x1a3f2, 0x142f0, 0x1a17c,
+		0x14278, 0x1a13e, 0x1423c, 0x1421e, 0x1fa1a, 0x1437c, 0x1433e,
+		0x1f43a, 0x1e87a, 0x1d0fa, 0x14178, 0x1a0be, 0x1413c, 0x1411e,
+		0x141be, 0x140bc, 0x1409e, 0x12bc0, 0x195f0, 0x1cafc, 0x129e0,
+		0x194f8, 0x1ca7e, 0x128f0, 0x1947c, 0x12878, 0x1943e, 0x1283c,
+		0x1f968, 0x12df0, 0x196fc, 0x1f964, 0x12cf8, 0x1967e, 0x1f962,
+		0x12c7c, 0x12c3e, 0x1f2e8, 0x1f976, 0x12efc, 0x1f2e4, 0x12e7e,
+		0x1f2e2, 0x1e5e8, 0x1f2f6, 0x1e5e4, 0x1e5e2, 0x1cbe8, 0x1e5f6,
+		0x1cbe4, 0x1cbe2, 0x197e8, 0x1cbf6, 0x197e4, 0x197e2, 0x1b5e0,
+		0x1daf8, 0x1ed7e, 0x169c0, 0x1b4f0, 0x1da7c, 0x168e0, 0x1b478,
+		0x1da3e, 0x16870, 0x1b43c, 0x16838, 0x1b41e, 0x1681c, 0x125e0,
+		0x192f8, 0x1c97e, 0x16de0, 0x124f0, 0x1927c, 0x16cf0, 0x1b67c,
+		0x1923e, 0x16c78, 0x1243c, 0x16c3c, 0x1241e, 0x16c1e, 0x1f934,
+		0x126f8, 0x1937e, 0x1fb74, 0x1f932, 0x16ef8, 0x1267c, 0x1fb72,
+		0x16e7c, 0x1263e, 0x16e3e, 0x1f274, 0x1277e, 0x1f6f4, 0x1f272,
+		0x16f7e, 0x1f6f2, 0x1e4f4, 0x1edf4, 0x1e4f2, 0x1edf2, 0x1c9f4,
+		0x1dbf4, 0x1c9f2, 0x1dbf2, 0x193f4, 0x193f2, 0x165c0, 0x1b2f0,
+		0x1d97c, 0x164e0, 0x1b278, 0x1d93e, 0x16470, 0x1b23c, 0x16438,
+		0x1b21e, 0x1641c, 0x1640e, 0x122f0, 0x1917c, 0x166f0, 0x12278,
+		0x1913e, 0x16678, 0x1b33e, 0x1663c, 0x1221e, 0x1661e, 0x1f91a,
+		0x1237c, 0x1fb3a, 0x1677c, 0x1233e, 0x1673e, 0x1f23a, 0x1f67a,
+		0x1e47a, 0x1ecfa, 0x1c8fa, 0x1d9fa, 0x191fa, 0x162e0, 0x1b178,
+		0x1d8be, 0x16270, 0x1b13c, 0x16238, 0x1b11e, 0x1621c, 0x1620e,
+		0x12178, 0x190be, 0x16378, 0x1213c, 0x1633c, 0x1211e, 0x1631e,
+		0x121be, 0x163be, 0x16170, 0x1b0bc, 0x16138, 0x1b09e, 0x1611c,
+		0x1610e, 0x120bc, 0x161bc, 0x1209e, 0x1619e, 0x160b8, 0x1b05e,
+		0x1609c, 0x1608e, 0x1205e, 0x160de, 0x1605c, 0x1604e, 0x115e0,
+		0x18af8, 0x1c57e, 0x114f0, 0x18a7c, 0x11478, 0x18a3e, 0x1143c,
+		0x1141e, 0x1f8b4, 0x116f8, 0x18b7e, 0x1f8b2, 0x1167c, 0x1163e,
+		0x1f174, 0x1177e, 0x1f172, 0x1e2f4, 0x1e2f2, 0x1c5f4, 0x1c5f2,
+		0x18bf4, 0x18bf2, 0x135c0, 0x19af0, 0x1cd7c, 0x134e0, 0x19a78,
+		0x1cd3e, 0x13470, 0x19a3c, 0x13438, 0x19a1e, 0x1341c, 0x1340e,
+		0x112f0, 0x1897c, 0x136f0, 0x11278, 0x1893e, 0x13678, 0x19b3e,
+		0x1363c, 0x1121e, 0x1361e, 0x1f89a, 0x1137c, 0x1f9ba, 0x1377c,
+		0x1133e, 0x1373e, 0x1f13a, 0x1f37a, 0x1e27a, 0x1e6fa, 0x1c4fa,
+		0x1cdfa, 0x189fa, 0x1bae0, 0x1dd78, 0x1eebe, 0x174c0, 0x1ba70,
+		0x1dd3c, 0x17460, 0x1ba38, 0x1dd1e, 0x17430, 0x1ba1c, 0x17418,
+		0x1ba0e, 0x1740c, 0x132e0, 0x19978, 0x1ccbe, 0x176e0, 0x13270,
+		0x1993c, 0x17670, 0x1bb3c, 0x1991e, 0x17638, 0x1321c, 0x1761c,
+		0x1320e, 0x1760e, 0x11178, 0x188be, 0x13378, 0x1113c, 0x17778,
+		0x1333c, 0x1111e, 0x1773c, 0x1331e, 0x1771e, 0x111be, 0x133be,
+		0x177be, 0x172c0, 0x1b970, 0x1dcbc, 0x17260, 0x1b938, 0x1dc9e,
+		0x17230, 0x1b91c, 0x17218, 0x1b90e, 0x1720c, 0x17206, 0x13170,
+		0x198bc, 0x17370, 0x13138, 0x1989e, 0x17338, 0x1b99e, 0x1731c,
+		0x1310e, 0x1730e, 0x110bc, 0x131bc, 0x1109e, 0x173bc, 0x1319e,
+		0x1739e, 0x17160, 0x1b8b8, 0x1dc5e, 0x17130, 0x1b89c, 0x17118,
+		0x1b88e, 0x1710c, 0x17106, 0x130b8, 0x1985e, 0x171b8, 0x1309c,
+		0x1719c, 0x1308e, 0x1718e, 0x1105e, 0x130de, 0x171de, 0x170b0,
+		0x1b85c, 0x17098, 0x1b84e, 0x1708c, 0x17086, 0x1305c, 0x170dc,
+		0x1304e, 0x170ce, 0x17058, 0x1b82e, 0x1704c, 0x17046, 0x1302e,
+		0x1706e, 0x1702c, 0x17026, 0x10af0, 0x1857c, 0x10a78, 0x1853e,
+		0x10a3c, 0x10a1e, 0x10b7c, 0x10b3e, 0x1f0ba, 0x1e17a, 0x1c2fa,
+		0x185fa, 0x11ae0, 0x18d78, 0x1c6be, 0x11a70, 0x18d3c, 0x11a38,
+		0x18d1e, 0x11a1c, 0x11a0e, 0x10978, 0x184be, 0x11b78, 0x1093c,
+		0x11b3c, 0x1091e, 0x11b1e, 0x109be, 0x11bbe, 0x13ac0, 0x19d70,
+		0x1cebc, 0x13a60, 0x19d38, 0x1ce9e, 0x13a30, 0x19d1c, 0x13a18,
+		0x19d0e, 0x13a0c, 0x13a06, 0x11970, 0x18cbc, 0x13b70, 0x11938,
+		0x18c9e, 0x13b38, 0x1191c, 0x13b1c, 0x1190e, 0x13b0e, 0x108bc,
+		0x119bc, 0x1089e, 0x13bbc, 0x1199e, 0x13b9e, 0x1bd60, 0x1deb8,
+		0x1ef5e, 0x17a40, 0x1bd30, 0x1de9c, 0x17a20, 0x1bd18, 0x1de8e,
+		0x17a10, 0x1bd0c, 0x17a08, 0x1bd06, 0x17a04, 0x13960, 0x19cb8,
+		0x1ce5e, 0x17b60, 0x13930, 0x19c9c, 0x17b30, 0x1bd9c, 0x19c8e,
+		0x17b18, 0x1390c, 0x17b0c, 0x13906, 0x17b06, 0x118b8, 0x18c5e,
+		0x139b8, 0x1189c, 0x17bb8, 0x1399c, 0x1188e, 0x17b9c, 0x1398e,
+		0x17b8e, 0x1085e, 0x118de, 0x139de, 0x17bde, 0x17940, 0x1bcb0,
+		0x1de5c, 0x17920, 0x1bc98, 0x1de4e, 0x17910, 0x1bc8c, 0x17908,
+		0x1bc86, 0x17904, 0x17902, 0x138b0, 0x19c5c, 0x179b0, 0x13898,
+		0x19c4e, 0x17998, 0x1bcce, 0x1798c, 0x13886, 0x17986, 0x1185c,
+		0x138dc, 0x1184e, 0x179dc, 0x138ce, 0x179ce, 0x178a0, 0x1bc58,
+		0x1de2e, 0x17890, 0x1bc4c, 0x17888, 0x1bc46, 0x17884, 0x17882,
+		0x13858, 0x19c2e, 0x178d8, 0x1384c, 0x178cc, 0x13846, 0x178c6,
+		0x1182e, 0x1386e, 0x178ee, 0x17850, 0x1bc2c, 0x17848, 0x1bc26,
+		0x17844, 0x17842, 0x1382c, 0x1786c, 0x13826, 0x17866, 0x17828,
+		0x1bc16, 0x17824, 0x17822, 0x13816, 0x17836, 0x10578, 0x182be,
+		0x1053c, 0x1051e, 0x105be, 0x10d70, 0x186bc, 0x10d38, 0x1869e,
+		0x10d1c, 0x10d0e, 0x104bc, 0x10dbc, 0x1049e, 0x10d9e, 0x11d60,
+		0x18eb8, 0x1c75e, 0x11d30, 0x18e9c, 0x11d18, 0x18e8e, 0x11d0c,
+		0x11d06, 0x10cb8, 0x1865e, 0x11db8, 0x10c9c, 0x11d9c, 0x10c8e,
+		0x11d8e, 0x1045e, 0x10cde, 0x11dde, 0x13d40, 0x19eb0, 0x1cf5c,
+		0x13d20, 0x19e98, 0x1cf4e, 0x13d10, 0x19e8c, 0x13d08, 0x19e86,
+		0x13d04, 0x13d02, 0x11cb0, 0x18e5c, 0x13db0, 0x11c98, 0x18e4e,
+		0x13d98, 0x19ece, 0x13d8c, 0x11c86, 0x13d86, 0x10c5c, 0x11cdc,
+		0x10c4e, 0x13ddc, 0x11cce, 0x13dce, 0x1bea0, 0x1df58, 0x1efae,
+		0x1be90, 0x1df4c, 0x1be88, 0x1df46, 0x1be84, 0x1be82, 0x13ca0,
+		0x19e58, 0x1cf2e, 0x17da0, 0x13c90, 0x19e4c, 0x17d90, 0x1becc,
+		0x19e46, 0x17d88, 0x13c84, 0x17d84, 0x13c82, 0x17d82, 0x11c58,
+		0x18e2e, 0x13cd8, 0x11c4c, 0x17dd8, 0x13ccc, 0x11c46, 0x17dcc,
+		0x13cc6, 0x17dc6, 0x10c2e, 0x11c6e, 0x13cee, 0x17dee, 0x1be50,
+		0x1df2c, 0x1be48, 0x1df26, 0x1be44, 0x1be42, 0x13c50, 0x19e2c,
+		0x17cd0, 0x13c48, 0x19e26, 0x17cc8, 0x1be66, 0x17cc4, 0x13c42,
+		0x17cc2, 0x11c2c, 0x13c6c, 0x11c26, 0x17cec, 0x13c66, 0x17ce6,
+		0x1be28, 0x1df16, 0x1be24, 0x1be22, 0x13c28, 0x19e16, 0x17c68,
+		0x13c24, 0x17c64, 0x13c22, 0x17c62, 0x11c16, 0x13c36, 0x17c76,
+		0x1be14, 0x1be12, 0x13c14, 0x17c34, 0x13c12, 0x17c32, 0x102bc,
+		0x1029e, 0x106b8, 0x1835e, 0x1069c, 0x1068e, 0x1025e, 0x106de,
+		0x10eb0, 0x1875c, 0x10e98, 0x1874e, 0x10e8c, 0x10e86, 0x1065c,
+		0x10edc, 0x1064e, 0x10ece, 0x11ea0, 0x18f58, 0x1c7ae, 0x11e90,
+		0x18f4c, 0x11e88, 0x18f46, 0x11e84, 0x11e82, 0x10e58, 0x1872e,
+		0x11ed8, 0x18f6e, 0x11ecc, 0x10e46, 0x11ec6, 0x1062e, 0x10e6e,
+		0x11eee, 0x19f50, 0x1cfac, 0x19f48, 0x1cfa6, 0x19f44, 0x19f42,
+		0x11e50, 0x18f2c, 0x13ed0, 0x19f6c, 0x18f26, 0x13ec8, 0x11e44,
+		0x13ec4, 0x11e42, 0x13ec2, 0x10e2c, 0x11e6c, 0x10e26, 0x13eec,
+		0x11e66, 0x13ee6, 0x1dfa8, 0x1efd6, 0x1dfa4, 0x1dfa2, 0x19f28,
+		0x1cf96, 0x1bf68, 0x19f24, 0x1bf64, 0x19f22, 0x1bf62, 0x11e28,
+		0x18f16, 0x13e68, 0x11e24, 0x17ee8, 0x13e64, 0x11e22, 0x17ee4,
+		0x13e62, 0x17ee2, 0x10e16, 0x11e36, 0x13e76, 0x17ef6, 0x1df94,
+		0x1df92, 0x19f14, 0x1bf34, 0x19f12, 0x1bf32, 0x11e14, 0x13e34,
+		0x11e12, 0x17e74, 0x13e32, 0x17e72, 0x1df8a, 0x19f0a, 0x1bf1a,
+		0x11e0a, 0x13e1a, 0x17e3a, 0x1035c, 0x1034e, 0x10758, 0x183ae,
+		0x1074c, 0x10746, 0x1032e, 0x1076e, 0x10f50, 0x187ac, 0x10f48,
+		0x187a6, 0x10f44, 0x10f42, 0x1072c, 0x10f6c, 0x10726, 0x10f66,
+		0x18fa8, 0x1c7d6, 0x18fa4, 0x18fa2, 0x10f28, 0x18796, 0x11f68,
+		0x18fb6, 0x11f64, 0x10f22, 0x11f62, 0x10716, 0x10f36, 0x11f76,
+		0x1cfd4, 0x1cfd2, 0x18f94, 0x19fb4, 0x18f92, 0x19fb2, 0x10f14,
+		0x11f34, 0x10f12, 0x13f74, 0x11f32, 0x13f72, 0x1cfca, 0x18f8a,
+		0x19f9a, 0x10f0a, 0x11f1a, 0x13f3a, 0x103ac, 0x103a6, 0x107a8,
+		0x183d6, 0x107a4, 0x107a2, 0x10396, 0x107b6, 0x187d4, 0x187d2,
+		0x10794, 0x10fb4, 0x10792, 0x10fb2, 0x1c7ea,
+	},
+}
+
+func getCodeword(tableId int, word int) int {
+	return codewords[tableId][word]
+}

pdf417/data_encoder.go

@@ -0,0 +1,122 @@
+package pdf417
+
+import (
+	"fmt"
+)
+
+const (
+	switchCodeText   = 900
+	switchCodeNumber = 902
+)
+
+type encoder interface {
+	CanEncode(char rune) bool
+	GetSwitchCode(data string) int
+	Encode(data string) ([]int, error)
+}
+
+type dataEncoder struct {
+	Encoders       []encoder
+	DefaultEncoder encoder
+}
+
+type chain struct {
+	Data    string
+	Encoder encoder
+}
+
+func (c chain) Encode() ([]int, error) {
+	return c.Encoder.Encode(c.Data)
+}
+
+func (c chain) GetSwitchCode() int {
+	return c.Encoder.GetSwitchCode(c.Data)
+}
+
+func newDataEncoder() *dataEncoder {
+	textEncoder := newTextEncoder()
+
+	encoder := &dataEncoder{
+		[]encoder{
+			newNumberEncoder(),
+			textEncoder,
+		},
+		textEncoder,
+	}
+
+	return encoder
+}
+
+func (dataEncoder *dataEncoder) Encode(data string) ([]int, error) {
+	if len(data) == 0 {
+		return nil, fmt.Errorf("Nothing to encode")
+	}
+
+	chains, err := dataEncoder.SplitToChains(data)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(chains) == 0 {
+		return nil, fmt.Errorf("%q can not be encoded!", data)
+	}
+
+	currentSwitchCode := switchCodeText
+
+	cws := []int{}
+
+	for _, chain := range chains {
+		encoded, err := chain.Encode()
+		if err != nil {
+			return cws, err
+		}
+
+		if switchCode := chain.GetSwitchCode(); currentSwitchCode != switchCode {
+			cws = append(cws, switchCode)
+			currentSwitchCode = switchCode
+		}
+
+		cws = append(cws, encoded...)
+	}
+
+	return cws, nil
+}
+
+func (dataEncoder *dataEncoder) SplitToChains(data string) ([]chain, error) {
+	chains := []chain{}
+	chainData := ""
+	encoder := dataEncoder.DefaultEncoder
+
+	for _, char := range data {
+		newEncoder, err := dataEncoder.getEncoder(char)
+		if err != nil {
+			return nil, err
+		}
+
+		if newEncoder != encoder {
+			if len(chainData) > 0 {
+				chains = append(chains, chain{chainData, encoder})
+				chainData = ""
+			}
+
+			encoder = newEncoder
+		}
+
+		chainData = chainData + string(char)
+	}
+
+	if len(chainData) > 0 {
+		chains = append(chains, chain{chainData, encoder})
+	}
+
+	return chains, nil
+}
+
+func (dataEncoder *dataEncoder) getEncoder(char rune) (encoder, error) {
+	for _, encoder := range dataEncoder.Encoders {
+		if encoder.CanEncode(char) {
+			return encoder, nil
+		}
+	}
+	return nil, fmt.Errorf("Cannot encode character %q", string(char))
+}

pdf417/data_encoder_test.go

@@ -0,0 +1,36 @@
+package pdf417
+
+import "testing"
+
+func TestEncode(t *testing.T) {
+	encoder := newDataEncoder()
+
+	// When starting with text, the first code word does not need to be the switch
+	if result, err := encoder.Encode("ABC123"); err != nil {
+		t.Error(err)
+	} else {
+		compareIntSlice(t, []int{1, 89, 902, 1, 223}, result)
+	}
+	// When starting with numbers, we do need to switchresult := encoder.Encode("ABC123")
+	if result, err := encoder.Encode("123ABC"); err != nil {
+		t.Error(err)
+	} else {
+		compareIntSlice(t, []int{902, 1, 223, 900, 1, 89}, result)
+	}
+
+	/*
+		// Also with bytes
+		if result, err := encoder.Encode("\x0B"); err != nil {
+			t.Error(err)
+		} else {
+			compareIntSlice(t, []int{901, 11}, result)
+		}
+
+		// Alternate bytes switch code when number of bytes is divisble by 6
+		if result, err := encoder.Encode("\x0B\x0B\x0B\x0B\x0B\x0B"); err != nil {
+			t.Error(err)
+		} else {
+			compareIntSlice(t, []int{924, 18, 455, 694, 754, 291}, result)
+		}
+	*/
+}

pdf417/dimensions.go

@@ -0,0 +1,57 @@
+package pdf417
+
+import "math"
+
+const (
+	minCols         = 2
+	maxCols         = 30
+	maxRows         = 30
+	minRows         = 2
+	moduleHeight    = 2
+	preferred_ratio = 3.0
+)
+
+func calculateNumberOfRows(m, k, c int) int {
+	r := ((m + 1 + k) / c) + 1
+	if c*r >= (m + 1 + k + c) {
+		r--
+	}
+	return r
+}
+
+func calcDimensions(dataWords, eccWords int) (cols, rows int) {
+	ratio := 0.0
+	cols = 0
+	rows = 0
+
+	for c := minCols; c <= maxCols; c++ {
+		r := calculateNumberOfRows(dataWords, eccWords, c)
+
+		if r < minRows {
+			break
+		}
+
+		if r > maxRows {
+			continue
+		}
+
+		newRatio := float64(17*cols+69) / float64(rows*moduleHeight)
+		if rows != 0 && math.Abs(newRatio-preferred_ratio) > math.Abs(ratio-preferred_ratio) {
+			continue
+		}
+
+		ratio = newRatio
+		cols = c
+		rows = r
+	}
+
+	if rows == 0 {
+		r := calculateNumberOfRows(dataWords, eccWords, minCols)
+		if r < minRows {
+			rows = minRows
+			cols = minCols
+		}
+	}
+
+	return
+}

pdf417/encoder.go

@@ -0,0 +1,161 @@
+package pdf417
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/utils"
+)
+
+const (
+	padding_codeword = 900
+)
+
+// Encodes the given data as PDF417 barcode.
+// securityLevel can be any value below 9
+func Encode(data string, securityLevel byte) (barcode.Barcode, error) {
+	if securityLevel >= 9 {
+		return nil, fmt.Errorf("Invalid security level %d", securityLevel)
+	}
+
+	sl := securitylevel(securityLevel)
+
+	dataEncoder := newDataEncoder()
+	dataWords, err := dataEncoder.Encode(data)
+	if err != nil {
+		return nil, err
+	}
+
+	columns, rows := calcDimensions(len(dataWords), sl.ErrorCorrectionWordCount())
+	if columns < minCols || columns > maxCols || rows < minRows || rows > maxRows {
+		return nil, fmt.Errorf("Unable to fit data in barcode")
+	}
+
+	barcode := new(pdfBarcode)
+	barcode.data = data
+
+	codeWords, err := encodeData(dataWords, columns, sl)
+	if err != nil {
+		return nil, err
+	}
+
+	grid := [][]int{}
+	for i := 0; i < len(codeWords); i += columns {
+		grid = append(grid, codeWords[i:min(i+columns, len(codeWords))])
+	}
+
+	codes := [][]int{}
+
+	for rowNum, row := range grid {
+		table := rowNum % 3
+		rowCodes := make([]int, 0, columns+4)
+
+		rowCodes = append(rowCodes, start_word)
+		rowCodes = append(rowCodes, getCodeword(table, getLeftCodeWord(rowNum, rows, columns, securityLevel)))
+
+		for _, word := range row {
+			rowCodes = append(rowCodes, getCodeword(table, word))
+		}
+
+		rowCodes = append(rowCodes, getCodeword(table, getRightCodeWord(rowNum, rows, columns, securityLevel)))
+		rowCodes = append(rowCodes, stop_word)
+
+		codes = append(codes, rowCodes)
+	}
+
+	barcode.code = renderBarcode(codes)
+	barcode.width = (columns+4)*17 + 1
+
+	return barcode, nil
+}
+
+func encodeData(dataWords []int, columns int, sl securitylevel) ([]int, error) {
+	dataCount := len(dataWords)
+
+	ecCount := sl.ErrorCorrectionWordCount()
+
+	padWords := getPadding(dataCount, ecCount, columns)
+	dataWords = append(dataWords, padWords...)
+
+	length := len(dataWords) + 1
+	dataWords = append([]int{length}, dataWords...)
+
+	ecWords := sl.Compute(dataWords)
+
+	return append(dataWords, ecWords...), nil
+}
+
+func getLeftCodeWord(rowNum int, rows int, columns int, securityLevel byte) int {
+	tableId := rowNum % 3
+
+	var x int
+
+	switch tableId {
+	case 0:
+		x = (rows - 3) / 3
+	case 1:
+		x = int(securityLevel) * 3
+		x += (rows - 1) % 3
+	case 2:
+		x = columns - 1
+	}
+
+	return 30*(rowNum/3) + x
+}
+
+func getRightCodeWord(rowNum int, rows int, columns int, securityLevel byte) int {
+	tableId := rowNum % 3
+
+	var x int
+
+	switch tableId {
+	case 0:
+		x = columns - 1
+	case 1:
+		x = (rows - 1) / 3
+	case 2:
+		x = int(securityLevel) * 3
+		x += (rows - 1) % 3
+	}
+
+	return 30*(rowNum/3) + x
+}
+
+func min(a, b int) int {
+	if a <= b {
+		return a
+	}
+	return b
+}
+
+func getPadding(dataCount int, ecCount int, columns int) []int {
+	totalCount := dataCount + ecCount + 1
+	mod := totalCount % columns
+
+	padding := []int{}
+
+	if mod > 0 {
+		padCount := columns - mod
+		padding = make([]int, padCount)
+		for i := 0; i < padCount; i++ {
+			padding[i] = padding_codeword
+		}
+	}
+
+	return padding
+}
+
+func renderBarcode(codes [][]int) *utils.BitList {
+	bl := new(utils.BitList)
+	for _, row := range codes {
+		lastIdx := len(row) - 1
+		for i, col := range row {
+			if i == lastIdx {
+				bl.AddBits(col, 18)
+			} else {
+				bl.AddBits(col, 17)
+			}
+		}
+	}
+	return bl
+}

pdf417/errorcorrection.go

@@ -0,0 +1,151 @@
+package pdf417
+
+type securitylevel byte
+
+func (level securitylevel) ErrorCorrectionWordCount() int {
+	return 1 << (uint(level) + 1)
+}
+
+var correctionFactors = [][]int{
+	// Level 0
+	[]int{27, 917},
+
+	// Level 1
+	[]int{522, 568, 723, 809},
+
+	// Level 2
+	[]int{237, 308, 436, 284, 646, 653, 428, 379},
+
+	// Level 3
+	[]int{
+		274, 562, 232, 755, 599, 524, 801, 132, 295, 116, 442, 428, 295, 42,
+		176, 65,
+	},
+
+	// Level 4
+	[]int{
+		361, 575, 922, 525, 176, 586, 640, 321, 536, 742, 677, 742, 687,
+		284, 193, 517, 273, 494, 263, 147, 593, 800, 571, 320, 803, 133,
+		231, 390, 685, 330, 63, 410,
+	},
+
+	// Level 5
+	[]int{
+		539, 422, 6, 93, 862, 771, 453, 106, 610, 287, 107, 505, 733, 877,
+		381, 612, 723, 476, 462, 172, 430, 609, 858, 822, 543, 376, 511,
+		400, 672, 762, 283, 184, 440, 35, 519, 31, 460, 594, 225, 535, 517,
+		352, 605, 158, 651, 201, 488, 502, 648, 733, 717, 83, 404, 97, 280,
+		771, 840, 629, 4, 381, 843, 623, 264, 543,
+	},
+
+	// Level 6
+	[]int{
+		521, 310, 864, 547, 858, 580, 296, 379, 53, 779, 897, 444, 400, 925,
+		749, 415, 822, 93, 217, 208, 928, 244, 583, 620, 246, 148, 447, 631,
+		292, 908, 490, 704, 516, 258, 457, 907, 594, 723, 674, 292, 272, 96,
+		684, 432, 686, 606, 860, 569, 193, 219, 129, 186, 236, 287, 192,
+		775, 278, 173, 40, 379, 712, 463, 646, 776, 171, 491, 297, 763, 156,
+		732, 95, 270, 447, 90, 507, 48, 228, 821, 808, 898, 784, 663, 627,
+		378, 382, 262, 380, 602, 754, 336, 89, 614, 87, 432, 670, 616, 157,
+		374, 242, 726, 600, 269, 375, 898, 845, 454, 354, 130, 814, 587,
+		804, 34, 211, 330, 539, 297, 827, 865, 37, 517, 834, 315, 550, 86,
+		801, 4, 108, 539,
+	},
+
+	// Level 7
+	[]int{
+		524, 894, 75, 766, 882, 857, 74, 204, 82, 586, 708, 250, 905, 786,
+		138, 720, 858, 194, 311, 913, 275, 190, 375, 850, 438, 733, 194,
+		280, 201, 280, 828, 757, 710, 814, 919, 89, 68, 569, 11, 204, 796,
+		605, 540, 913, 801, 700, 799, 137, 439, 418, 592, 668, 353, 859,
+		370, 694, 325, 240, 216, 257, 284, 549, 209, 884, 315, 70, 329, 793,
+		490, 274, 877, 162, 749, 812, 684, 461, 334, 376, 849, 521, 307,
+		291, 803, 712, 19, 358, 399, 908, 103, 511, 51, 8, 517, 225, 289,
+		470, 637, 731, 66, 255, 917, 269, 463, 830, 730, 433, 848, 585, 136,
+		538, 906, 90, 2, 290, 743, 199, 655, 903, 329, 49, 802, 580, 355,
+		588, 188, 462, 10, 134, 628, 320, 479, 130, 739, 71, 263, 318, 374,
+		601, 192, 605, 142, 673, 687, 234, 722, 384, 177, 752, 607, 640,
+		455, 193, 689, 707, 805, 641, 48, 60, 732, 621, 895, 544, 261, 852,
+		655, 309, 697, 755, 756, 60, 231, 773, 434, 421, 726, 528, 503, 118,
+		49, 795, 32, 144, 500, 238, 836, 394, 280, 566, 319, 9, 647, 550,
+		73, 914, 342, 126, 32, 681, 331, 792, 620, 60, 609, 441, 180, 791,
+		893, 754, 605, 383, 228, 749, 760, 213, 54, 297, 134, 54, 834, 299,
+		922, 191, 910, 532, 609, 829, 189, 20, 167, 29, 872, 449, 83, 402,
+		41, 656, 505, 579, 481, 173, 404, 251, 688, 95, 497, 555, 642, 543,
+		307, 159, 924, 558, 648, 55, 497, 10,
+	},
+
+	// Level 8
+	[]int{
+		352, 77, 373, 504, 35, 599, 428, 207, 409, 574, 118, 498, 285, 380,
+		350, 492, 197, 265, 920, 155, 914, 299, 229, 643, 294, 871, 306, 88,
+		87, 193, 352, 781, 846, 75, 327, 520, 435, 543, 203, 666, 249, 346,
+		781, 621, 640, 268, 794, 534, 539, 781, 408, 390, 644, 102, 476,
+		499, 290, 632, 545, 37, 858, 916, 552, 41, 542, 289, 122, 272, 383,
+		800, 485, 98, 752, 472, 761, 107, 784, 860, 658, 741, 290, 204, 681,
+		407, 855, 85, 99, 62, 482, 180, 20, 297, 451, 593, 913, 142, 808,
+		684, 287, 536, 561, 76, 653, 899, 729, 567, 744, 390, 513, 192, 516,
+		258, 240, 518, 794, 395, 768, 848, 51, 610, 384, 168, 190, 826, 328,
+		596, 786, 303, 570, 381, 415, 641, 156, 237, 151, 429, 531, 207,
+		676, 710, 89, 168, 304, 402, 40, 708, 575, 162, 864, 229, 65, 861,
+		841, 512, 164, 477, 221, 92, 358, 785, 288, 357, 850, 836, 827, 736,
+		707, 94, 8, 494, 114, 521, 2, 499, 851, 543, 152, 729, 771, 95, 248,
+		361, 578, 323, 856, 797, 289, 51, 684, 466, 533, 820, 669, 45, 902,
+		452, 167, 342, 244, 173, 35, 463, 651, 51, 699, 591, 452, 578, 37,
+		124, 298, 332, 552, 43, 427, 119, 662, 777, 475, 850, 764, 364, 578,
+		911, 283, 711, 472, 420, 245, 288, 594, 394, 511, 327, 589, 777,
+		699, 688, 43, 408, 842, 383, 721, 521, 560, 644, 714, 559, 62, 145,
+		873, 663, 713, 159, 672, 729, 624, 59, 193, 417, 158, 209, 563, 564,
+		343, 693, 109, 608, 563, 365, 181, 772, 677, 310, 248, 353, 708,
+		410, 579, 870, 617, 841, 632, 860, 289, 536, 35, 777, 618, 586, 424,
+		833, 77, 597, 346, 269, 757, 632, 695, 751, 331, 247, 184, 45, 787,
+		680, 18, 66, 407, 369, 54, 492, 228, 613, 830, 922, 437, 519, 644,
+		905, 789, 420, 305, 441, 207, 300, 892, 827, 141, 537, 381, 662,
+		513, 56, 252, 341, 242, 797, 838, 837, 720, 224, 307, 631, 61, 87,
+		560, 310, 756, 665, 397, 808, 851, 309, 473, 795, 378, 31, 647, 915,
+		459, 806, 590, 731, 425, 216, 548, 249, 321, 881, 699, 535, 673,
+		782, 210, 815, 905, 303, 843, 922, 281, 73, 469, 791, 660, 162, 498,
+		308, 155, 422, 907, 817, 187, 62, 16, 425, 535, 336, 286, 437, 375,
+		273, 610, 296, 183, 923, 116, 667, 751, 353, 62, 366, 691, 379, 687,
+		842, 37, 357, 720, 742, 330, 5, 39, 923, 311, 424, 242, 749, 321,
+		54, 669, 316, 342, 299, 534, 105, 667, 488, 640, 672, 576, 540, 316,
+		486, 721, 610, 46, 656, 447, 171, 616, 464, 190, 531, 297, 321, 762,
+		752, 533, 175, 134, 14, 381, 433, 717, 45, 111, 20, 596, 284, 736,
+		138, 646, 411, 877, 669, 141, 919, 45, 780, 407, 164, 332, 899, 165,
+		726, 600, 325, 498, 655, 357, 752, 768, 223, 849, 647, 63, 310, 863,
+		251, 366, 304, 282, 738, 675, 410, 389, 244, 31, 121, 303, 263,
+	},
+}
+
+func (level securitylevel) Compute(data []int) []int {
+	// Correction factors for the given level
+	factors := correctionFactors[int(level)]
+
+	// Number of correction code words
+	count := level.ErrorCorrectionWordCount()
+
+	// Correction code words array, prepopulated with zeros
+	ecWords := make([]int, count)
+
+	for _, value := range data {
+		temp := (value + ecWords[0]) % 929
+
+		for i := count - 1; i >= 0; i-- {
+			add := 0
+
+			if i > 0 {
+				add = ecWords[count-i]
+			}
+
+			ecWords[count-1-i] = (add + 929 - (temp*factors[i])%929) % 929
+		}
+	}
+
+	for key, word := range ecWords {
+		if word > 0 {
+			ecWords[key] = 929 - word
+		}
+	}
+
+	return ecWords
+}

pdf417/number_encoder.go

@@ -0,0 +1,76 @@
+package pdf417
+
+import (
+	"errors"
+	"math/big"
+
+	"github.com/boombuler/barcode/utils"
+)
+
+type numberEncoder struct{}
+
+func newNumberEncoder() *numberEncoder {
+	return new(numberEncoder)
+}
+
+func (encoder numberEncoder) CanEncode(char rune) bool {
+	return utils.RuneToInt(char) != -1
+}
+
+func (encoder numberEncoder) GetSwitchCode(data string) int {
+	return switchCodeNumber
+}
+
+func (encoder numberEncoder) Encode(digits string) ([]int, error) {
+	digitCount := len(digits)
+	chunkCount := digitCount / 44
+	if digitCount%44 != 0 {
+		chunkCount++
+	}
+
+	codeWords := []int{}
+
+	for i := 0; i < chunkCount; i++ {
+		start := i * 44
+		end := start + 44
+		if end > digitCount {
+			end = digitCount
+		}
+		chunk := digits[start:end]
+
+		cws, err := encodeChunk(chunk)
+		if err != nil {
+			return codeWords, err
+		}
+
+		codeWords = append(codeWords, cws...)
+	}
+
+	return codeWords, nil
+}
+
+func encodeChunk(chunkInput string) ([]int, error) {
+	chunk := big.NewInt(0)
+
+	_, ok := chunk.SetString("1"+chunkInput, 10)
+
+	if !ok {
+		return nil, errors.New("Failed converting")
+	}
+
+	cws := []int{}
+
+	for chunk.Cmp(big.NewInt(0)) > 0 {
+		newChunk, cw := chunk.DivMod(
+			chunk,
+			big.NewInt(900),
+			big.NewInt(0),
+		)
+
+		chunk = newChunk
+
+		cws = append([]int{int(cw.Int64())}, cws...)
+	}
+
+	return cws, nil
+}

pdf417/number_encoder_test.go

@@ -0,0 +1,47 @@
+package pdf417
+
+import (
+	"testing"
+)
+
+func TestNumberEncoder_CanEncode(t *testing.T) {
+	encoder := newNumberEncoder()
+
+	shouldEncode := func(tests ...rune) {
+		for _, test := range tests {
+			if !encoder.CanEncode(test) {
+				t.Errorf("NumberEncoder should be able to encode %q", string(test))
+			}
+		}
+	}
+	shouldEncode('0', '1', '2', '3', '4', '5', '6', '7', '8', '9')
+
+	shouldNotEncode := func(tests ...rune) {
+		for _, test := range tests {
+			if encoder.CanEncode(test) {
+				t.Errorf("NumberEncoder should not be able to encode %q", string(test))
+			}
+		}
+	}
+	shouldNotEncode('a', 'q', '\t')
+}
+
+func TestNumberEncoder_GetSwitchCode(t *testing.T) {
+	encoder := newNumberEncoder()
+	if sc := encoder.GetSwitchCode("123"); sc != switchCodeNumber {
+		t.Errorf("Unexpected switchcode. Got %v", sc)
+	}
+	if sc := encoder.GetSwitchCode("foo"); sc != switchCodeNumber {
+		t.Errorf("Unexpected switchcode. Got %v", sc)
+	}
+}
+
+func TestNumberEncoder_Encode(t *testing.T) {
+	encoder := newNumberEncoder()
+
+	if codes, err := encoder.Encode("01234"); err != nil {
+		t.Error(err)
+	} else {
+		compareIntSlice(t, []int{112, 434}, codes)
+	}
+}

pdf417/pdfcode.go

@@ -0,0 +1,40 @@
+package pdf417
+
+import (
+	"image"
+	"image/color"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/utils"
+)
+
+type pdfBarcode struct {
+	data  string
+	width int
+	code  *utils.BitList
+}
+
+func (c *pdfBarcode) Metadata() barcode.Metadata {
+	return barcode.Metadata{"PDF417", 2}
+}
+
+func (c *pdfBarcode) Content() string {
+	return c.data
+}
+
+func (c *pdfBarcode) ColorModel() color.Model {
+	return color.Gray16Model
+}
+
+func (c *pdfBarcode) Bounds() image.Rectangle {
+	height := c.code.Len() / c.width
+
+	return image.Rect(0, 0, c.width, height*moduleHeight)
+}
+
+func (c *pdfBarcode) At(x, y int) color.Color {
+	if c.code.GetBit((y/moduleHeight)*c.width + x) {
+		return color.Black
+	}
+	return color.White
+}

pdf417/text_encoder.go

@@ -0,0 +1,249 @@
+package pdf417
+
+import "fmt"
+
+// Since each code word consists of 2 characters, a padding value is
+// needed when encoding a single character. 29 is used as padding because
+// it's a switch in all 4 submodes, and doesn't add any data.
+const padding_value = 29
+
+type subMode byte
+
+const (
+	subUpper subMode = iota
+	subLower
+	subMixed
+	subPunct
+)
+
+const (
+	switchUpper       = '\u00f1'
+	switchUpperSingle = '\u00f2'
+	switchLower       = '\u00f3'
+	switchMixed       = '\u00f4'
+	switchPunct       = '\u00f5'
+	switchPunctSingle = '\u00f6'
+)
+
+type textEncoder struct {
+	Switching     map[subMode]map[subMode][]rune
+	SwitchSubmode map[rune]subMode
+	ReverseLookup map[rune]map[subMode]int
+}
+
+func newTextEncoder() *textEncoder {
+	encoder := new(textEncoder)
+
+	characterTables := map[subMode][]rune{
+		subUpper: []rune{
+			'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
+			'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
+			'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', ' ',
+			switchLower,
+			switchMixed,
+			switchPunctSingle,
+		},
+
+		subLower: []rune{
+			'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
+			'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
+			's', 't', 'u', 'v', 'w', 'x', 'y', 'z', ' ',
+			switchUpperSingle,
+			switchMixed,
+			switchPunctSingle,
+		},
+
+		subMixed: []rune{
+			'0', '1', '2', '3', '4', '5', '6', '7', '8',
+			'9', '&', '\r', '\t', ',', ':', '#', '-', '.',
+			'$', '/', '+', '%', '*', '=', '^',
+			switchPunct, ' ',
+			switchLower,
+			switchUpper,
+			switchPunctSingle,
+		},
+
+		subPunct: []rune{
+			';', '<', '>', '@', '[', '\\', ']', '_', '`',
+			'~', '!', '\r', '\t', ',', ':', '\n', '-', '.',
+			'$', '/', 'g', '|', '*', '(', ')', '?', '{', '}', '\'',
+			switchUpper,
+		},
+	}
+
+	encoder.Switching = map[subMode]map[subMode][]rune{
+		subUpper: map[subMode][]rune{
+			subLower: []rune{switchLower},
+			subMixed: []rune{switchMixed},
+			subPunct: []rune{switchMixed, switchPunct},
+		},
+
+		subLower: map[subMode][]rune{
+			subUpper: []rune{switchMixed, switchUpper},
+			subMixed: []rune{switchMixed},
+			subPunct: []rune{switchMixed, switchPunct},
+		},
+
+		subMixed: map[subMode][]rune{
+			subUpper: []rune{switchUpper},
+			subLower: []rune{switchLower},
+			subPunct: []rune{switchPunct},
+		},
+
+		subPunct: map[subMode][]rune{
+			subUpper: []rune{switchUpper},
+			subLower: []rune{switchUpper, switchLower},
+			subMixed: []rune{switchUpper, switchMixed},
+		},
+	}
+
+	encoder.SwitchSubmode = map[rune]subMode{
+		switchUpper: subUpper,
+		switchLower: subLower,
+		switchPunct: subPunct,
+		switchMixed: subMixed,
+	}
+
+	encoder.ReverseLookup = make(map[rune]map[subMode]int)
+	for submode, codes := range characterTables {
+		for row, char := range codes {
+			if encoder.ReverseLookup[char] == nil {
+				encoder.ReverseLookup[char] = make(map[subMode]int)
+			}
+
+			encoder.ReverseLookup[char][submode] = int(row)
+		}
+	}
+
+	return encoder
+}
+
+func (encoder *textEncoder) CanEncode(char rune) bool {
+	switch char {
+	case switchUpper,
+		switchUpperSingle,
+		switchLower,
+		switchMixed,
+		switchPunct,
+		switchPunctSingle:
+		return false
+	default:
+		return encoder.ReverseLookup[char] != nil
+	}
+}
+
+func (*textEncoder) GetSwitchCode(data string) int {
+	return switchCodeText
+}
+
+func (encoder *textEncoder) Encode(data string) ([]int, error) {
+	interim, err := encoder.encodeInterim(data)
+	if err != nil {
+		return interim, err
+	}
+
+	return encoder.encodeFinal(interim), nil
+}
+
+func (encoder *textEncoder) encodeInterim(data string) ([]int, error) {
+	submode := subUpper
+
+	codes := []int{}
+	var err error
+	for _, char := range data {
+		if !encoder.existsInSubmode(char, submode) {
+			prevSubmode := submode
+
+			submode, err = encoder.getSubmode(char)
+			if err != nil {
+				return codes, err
+			}
+
+			switchCodes := encoder.getSwitchCodes(prevSubmode, submode)
+
+			codes = append(codes, switchCodes...)
+		}
+
+		codes = append(
+			codes,
+			encoder.getCharacterCode(char, submode),
+		)
+	}
+
+	return codes, nil
+}
+
+func (encoder *textEncoder) getSubmode(char rune) (subMode, error) {
+	if lookup, ok := encoder.ReverseLookup[char]; ok {
+		for key := range lookup {
+			return key, nil
+		}
+	}
+	return subLower, fmt.Errorf("unable to find submode for %q", char)
+}
+
+func (encoder *textEncoder) getSwitchCodes(from, to subMode) []int {
+	switches := encoder.Switching[from][to]
+
+	codes := []int{}
+
+	for _, switcher := range switches {
+		codes = append(codes, encoder.getCharacterCode(switcher, from))
+
+		from = encoder.SwitchSubmode[switcher]
+	}
+
+	return codes
+}
+
+func (*textEncoder) encodeFinal(codes []int) []int {
+	codeWords := []int{}
+
+	chunks := [][]int{}
+	chunkPart := []int{}
+	i := 0
+	for _, code := range codes {
+		chunkPart = append(chunkPart, code)
+
+		i++
+
+		if i%2 == 0 {
+			chunks = append(chunks, chunkPart)
+
+			chunkPart = []int{}
+		}
+	}
+
+	if len(chunkPart) > 0 {
+		chunks = append(chunks, chunkPart)
+	}
+
+	for _, chunk := range chunks {
+		if len(chunk) == 1 {
+			chunk = append(chunk, padding_value)
+		}
+
+		codeWords = append(
+			codeWords,
+			30*chunk[0]+chunk[1],
+		)
+	}
+
+	return codeWords
+}
+
+func (encoder *textEncoder) getCharacterCode(char rune, submode subMode) int {
+	cw, ok := encoder.ReverseLookup[char][submode]
+
+	if !ok {
+		panic("This is not possible")
+	}
+
+	return cw
+}
+
+func (encoder *textEncoder) existsInSubmode(char rune, submode subMode) bool {
+	_, ok := encoder.ReverseLookup[char][submode]
+
+	return ok
+}

pdf417/text_encoder_test.go

@@ -0,0 +1,59 @@
+package pdf417
+
+import (
+	"testing"
+)
+
+func compareIntSlice(t *testing.T, expected, actual []int) {
+	if len(actual) != len(expected) {
+		t.Errorf("Invalid slice size. Expected %d got %d", len(expected), len(actual))
+		return
+	}
+	for i, a := range actual {
+		if e := expected[i]; e != a {
+			t.Errorf("Unexpected value at position %d. Expected %d got %d", i, e, a)
+		}
+	}
+}
+
+func TestTextEncoder_CanEncode(t *testing.T) {
+	encoder := newTextEncoder()
+
+	for ord := int(' '); ord < int('Z'); ord++ {
+		chr := rune(ord)
+
+		if chr == '"' {
+			continue
+		}
+
+		if !encoder.CanEncode(chr) {
+			t.Errorf("Unable to encode: %d %c", ord, chr)
+		}
+	}
+}
+
+func TestTextEncoder_GetSwitchCode(t *testing.T) {
+	encoder := newTextEncoder()
+	if sc := encoder.GetSwitchCode("123"); sc != switchCodeText {
+		t.Errorf("Unexpected switchcode. Got %v", sc)
+	}
+	if sc := encoder.GetSwitchCode("foo"); sc != switchCodeText {
+		t.Errorf("Unexpected switchcode. Got %v", sc)
+	}
+}
+
+func TestTextEncoder_Encode(t *testing.T) {
+	encoder := newTextEncoder()
+
+	if codes, err := encoder.Encode("Super !"); err != nil {
+		t.Error(err)
+	} else {
+		compareIntSlice(t, []int{567, 615, 137, 808, 760}, codes)
+	}
+
+	if codes, err := encoder.Encode("Super "); err != nil {
+		t.Error(err)
+	} else {
+		compareIntSlice(t, []int{567, 615, 137, 809}, codes)
+	}
+}