Module: RQRCode

Defined in:

lib/rqrcode/export/png.rb,
lib/rqrcode/version.rb,
lib/rqrcode/export/svg.rb,
lib/rqrcode/qrcode/qr_code.rb,
lib/rqrcode/qrcode/qr_math.rb,
lib/rqrcode/qrcode/qr_util.rb,
lib/rqrcode/qrcode/qr_rs_block.rb,
lib/rqrcode/qrcode/qr_8bit_byte.rb,
lib/rqrcode/qrcode/qr_bit_buffer.rb,
lib/rqrcode/qrcode/qr_polynomial.rb,
lib/rqrcode/qrcode/qr_alphanumeric.rb,
lib/rqrcode/core_ext/array/behavior.rb,
lib/rqrcode/core_ext/integer/bitwise.rb

Overview

Permission is granted for use, copying, modification, distribution, and distribution of modified versions of this work as long as the above copyright notice is included. ++

Defined Under Namespace

Modules: CoreExtensions, Export Classes: QR8bitByte, QRAlphanumeric, QRBitBuffer, QRCode, QRCodeArgumentError, QRCodeRunTimeError, QRMath, QRPolynomial, QRRSBlock, QRUtil

Constant Summary

VERSION =

"0.5.3"

QRMODE =

:nodoc:

{
  :mode_number        => 1 << 0,
  :mode_alpha_numk    => 1 << 1,
  :mode_8bit_byte     => 1 << 2,
  :mode_kanji         => 1 << 3
}

QRERRORCORRECTLEVEL =

{
  :l => 1,
  :m => 0,
  :q => 3,
  :h => 2
}

QRMASKPATTERN =

{
  :pattern000 => 0,
  :pattern001 => 1,
  :pattern010 => 2,
  :pattern011 => 3,
  :pattern100 => 4,
  :pattern101 => 5,
  :pattern110 => 6,
  :pattern111 => 7
}

QRMASKCOMPUTATIONS =

[
      Proc.new { |i,j| (i + j) % 2 == 0 },
      Proc.new { |i,j| i % 2 == 0 },
      Proc.new { |i,j| j % 3 == 0 },
      Proc.new { |i,j| (i + j) % 3 == 0 },
      Proc.new { |i,j| ((i / 2).floor + (j / 3).floor) % 2 == 0 },
      Proc.new { |i,j| (i * j) % 2 + (i * j) % 3 == 0 },
      Proc.new { |i,j| ((i * j) % 2 + (i * j) % 3) % 2 == 0 },
      Proc.new { |i,j| ((i * j) % 3 + (i + j) % 2) % 2 == 0 },
]

QRPOSITIONPATTERNLENGTH =

(7 + 1) * 2 + 1

QRFORMATINFOLENGTH =

15

QRMAXDIGITS =

www.denso-wave.com/qrcode/vertable1-e.html

{
  :l => {:mode_number     => [41, 77, 127, 187, 255, 322, 370, 461, 552, 652],
         :mode_alpha_numk => [25, 47,  77, 114, 154, 195, 224, 279, 335, 395],
         :mode_8bit_byte  => [17, 32,  53,  78, 106, 134, 154, 192, 230, 271, 321, 367, 425, 458, 520, 586, 644, 718, 792, 858],
         :mode_kanji      => [10, 20,  32,  48,  65,  82,  95, 118, 141, 167]},
  :m => {:mode_number     => [34, 63, 101, 149, 202, 255, 293, 365, 432, 513],
         :mode_alpha_numk => [20, 38,  61,  90, 122, 154, 178, 221, 262, 311],
         :mode_8bit_byte  => [14, 26,  42,  62,  84, 106, 122, 152, 180, 213, 251, 287, 331, 362, 412, 450, 504, 560, 624, 666],
         :mode_kanji      => [ 8, 16,  26,  38,  54,  65,  75,  93, 111, 131]},
  :q => {:mode_number     => [27, 48, 77, 111, 144, 178, 207, 259, 312, 364],
         :mode_alpha_numk => [16, 29, 47,  67,  87, 108, 125, 157, 189, 221],
         :mode_8bit_byte  => [11, 20, 32,  46,  60,  74,  86, 108, 130, 151, 177, 203, 241, 258, 292, 22, 364, 394, 442, 482],
         :mode_kanji      => [ 7, 12, 20,  28,  37,  45,  53,  66,  80,  93]},
  :h => {:mode_number     => [17, 34, 58, 82, 106, 139, 154, 202, 235, 288],
         :mode_alpha_numk => [10, 20, 35, 50,  64,  84,  93, 122, 143, 174],
         :mode_8bit_byte  => [ 7, 14, 24, 34,  44,  58,  64,  84,  98, 119, 137, 155, 177, 194, 220, 250, 280, 310, 338, 382],
         :mode_kanji      => [ 4,  8, 15, 21,  27,  36,  39,  52,  60, 74]},
}

ALPHANUMERIC =

['0','1','2','3','4','5','6','7','8','9','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',' ','$','%','*','+','-','.','/',':']