root/lib/pdf/xpdf/Stream-CCITT.h

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INCLUDED FROM


//========================================================================
//
// Stream-CCITT.h
//
// Tables for CCITT Fax decoding.
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================

struct CCITTCode {
  short bits;
  short n;
};

#define ccittEOL -2

//------------------------------------------------------------------------
// 2D codes
//------------------------------------------------------------------------

#define twoDimPass   0
#define twoDimHoriz  1
#define twoDimVert0  2
#define twoDimVertR1 3
#define twoDimVertL1 4
#define twoDimVertR2 5
#define twoDimVertL2 6
#define twoDimVertR3 7
#define twoDimVertL3 8

// 1-7 bit codes
static CCITTCode twoDimTab1[128] = {
  {-1, -1}, {-1, -1},                   // 000000x
  {7, twoDimVertL3},                    // 0000010
  {7, twoDimVertR3},                    // 0000011
  {6, twoDimVertL2}, {6, twoDimVertL2}, // 000010x
  {6, twoDimVertR2}, {6, twoDimVertR2}, // 000011x
  {4, twoDimPass}, {4, twoDimPass},     // 0001xxx
    {4, twoDimPass}, {4, twoDimPass},
    {4, twoDimPass}, {4, twoDimPass},
    {4, twoDimPass}, {4, twoDimPass},
  {3, twoDimHoriz}, {3, twoDimHoriz},   // 001xxxx
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
    {3, twoDimHoriz}, {3, twoDimHoriz},
  {3, twoDimVertL1}, {3, twoDimVertL1}, // 010xxxx
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
    {3, twoDimVertL1}, {3, twoDimVertL1},
  {3, twoDimVertR1}, {3, twoDimVertR1}, // 011xxxx
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
    {3, twoDimVertR1}, {3, twoDimVertR1},
  {1, twoDimVert0}, {1, twoDimVert0},   // 1xxxxxx
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0},
    {1, twoDimVert0}, {1, twoDimVert0}
};

//------------------------------------------------------------------------
// white run lengths
//------------------------------------------------------------------------

// 11-12 bit codes (upper 7 bits are 0)
static CCITTCode whiteTab1[32] = {
  {-1, -1},                                     // 00000
  {12, ccittEOL},                               // 00001
  {-1, -1}, {-1, -1},                           // 0001x
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},       // 001xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},       // 010xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},       // 011xx
  {11, 1792}, {11, 1792},                       // 1000x
  {12, 1984},                                   // 10010
  {12, 2048},                                   // 10011
  {12, 2112},                                   // 10100
  {12, 2176},                                   // 10101
  {12, 2240},                                   // 10110
  {12, 2304},                                   // 10111
  {11, 1856}, {11, 1856},                       // 1100x
  {11, 1920}, {11, 1920},                       // 1101x
  {12, 2368},                                   // 11100
  {12, 2432},                                   // 11101
  {12, 2496},                                   // 11110
  {12, 2560}                                    // 11111
};

// 1-9 bit codes
static CCITTCode whiteTab2[512] = {
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},       // 0000000xx
  {8, 29}, {8, 29},                             // 00000010x
  {8, 30}, {8, 30},                             // 00000011x
  {8, 45}, {8, 45},                             // 00000100x
  {8, 46}, {8, 46},                             // 00000101x
  {7, 22}, {7, 22}, {7, 22}, {7, 22},           // 0000011xx
  {7, 23}, {7, 23}, {7, 23}, {7, 23},           // 0000100xx
  {8, 47}, {8, 47},                             // 00001010x
  {8, 48}, {8, 48},                             // 00001011x
  {6, 13}, {6, 13}, {6, 13}, {6, 13},           // 000011xxx
    {6, 13}, {6, 13}, {6, 13}, {6, 13},
  {7, 20}, {7, 20}, {7, 20}, {7, 20},           // 0001000xx
  {8, 33}, {8, 33},                             // 00010010x
  {8, 34}, {8, 34},                             // 00010011x
  {8, 35}, {8, 35},                             // 00010100x
  {8, 36}, {8, 36},                             // 00010101x
  {8, 37}, {8, 37},                             // 00010110x
  {8, 38}, {8, 38},                             // 00010111x
  {7, 19}, {7, 19}, {7, 19}, {7, 19},           // 0001100xx
  {8, 31}, {8, 31},                             // 00011010x
  {8, 32}, {8, 32},                             // 00011011x
  {6, 1}, {6, 1}, {6, 1}, {6, 1},               // 000111xxx
    {6, 1}, {6, 1}, {6, 1}, {6, 1},
  {6, 12}, {6, 12}, {6, 12}, {6, 12},           // 001000xxx
    {6, 12}, {6, 12}, {6, 12}, {6, 12},
  {8, 53}, {8, 53},                             // 00100100x
  {8, 54}, {8, 54},                             // 00100101x
  {7, 26}, {7, 26}, {7, 26}, {7, 26},           // 0010011xx
  {8, 39}, {8, 39},                             // 00101000x
  {8, 40}, {8, 40},                             // 00101001x
  {8, 41}, {8, 41},                             // 00101010x
  {8, 42}, {8, 42},                             // 00101011x
  {8, 43}, {8, 43},                             // 00101100x
  {8, 44}, {8, 44},                             // 00101101x
  {7, 21}, {7, 21}, {7, 21}, {7, 21},           // 0010111xx
  {7, 28}, {7, 28}, {7, 28}, {7, 28},           // 0011000xx
  {8, 61}, {8, 61},                             // 00110010x
  {8, 62}, {8, 62},                             // 00110011x
  {8, 63}, {8, 63},                             // 00110100x
  {8, 0}, {8, 0},                               // 00110101x
  {8, 320}, {8, 320},                           // 00110110x
  {8, 384}, {8, 384},                           // 00110111x
  {5, 10}, {5, 10}, {5, 10}, {5, 10},           // 00111xxxx
    {5, 10}, {5, 10}, {5, 10}, {5, 10},
    {5, 10}, {5, 10}, {5, 10}, {5, 10},
    {5, 10}, {5, 10}, {5, 10}, {5, 10},
  {5, 11}, {5, 11}, {5, 11}, {5, 11},           // 01000xxxx
    {5, 11}, {5, 11}, {5, 11}, {5, 11},
    {5, 11}, {5, 11}, {5, 11}, {5, 11},
    {5, 11}, {5, 11}, {5, 11}, {5, 11},
  {7, 27}, {7, 27}, {7, 27}, {7, 27},           // 0100100xx
  {8, 59}, {8, 59},                             // 01001010x
  {8, 60}, {8, 60},                             // 01001011x
  {9, 1472},                                    // 010011000
  {9, 1536},                                    // 010011001
  {9, 1600},                                    // 010011010
  {9, 1728},                                    // 010011011
  {7, 18}, {7, 18}, {7, 18}, {7, 18},           // 0100111xx
  {7, 24}, {7, 24}, {7, 24}, {7, 24},           // 0101000xx
  {8, 49}, {8, 49},                             // 01010010x
  {8, 50}, {8, 50},                             // 01010011x
  {8, 51}, {8, 51},                             // 01010100x
  {8, 52}, {8, 52},                             // 01010101x
  {7, 25}, {7, 25}, {7, 25}, {7, 25},           // 0101011xx
  {8, 55}, {8, 55},                             // 01011000x
  {8, 56}, {8, 56},                             // 01011001x
  {8, 57}, {8, 57},                             // 01011010x
  {8, 58}, {8, 58},                             // 01011011x
  {6, 192}, {6, 192}, {6, 192}, {6, 192},       // 010111xxx
    {6, 192}, {6, 192}, {6, 192}, {6, 192},
  {6, 1664}, {6, 1664}, {6, 1664}, {6, 1664},   // 011000xxx
    {6, 1664}, {6, 1664}, {6, 1664}, {6, 1664},
  {8, 448}, {8, 448},                           // 01100100x
  {8, 512}, {8, 512},                           // 01100101x
  {9, 704},                                     // 011001100
  {9, 768},                                     // 011001101
  {8, 640}, {8, 640},                           // 01100111x
  {8, 576}, {8, 576},                           // 01101000x
  {9, 832},                                     // 011010010
  {9, 896},                                     // 011010011
  {9, 960},                                     // 011010100
  {9, 1024},                                    // 011010101
  {9, 1088},                                    // 011010110
  {9, 1152},                                    // 011010111
  {9, 1216},                                    // 011011000
  {9, 1280},                                    // 011011001
  {9, 1344},                                    // 011011010
  {9, 1408},                                    // 011011011
  {7, 256}, {7, 256}, {7, 256}, {7, 256},       // 0110111xx
  {4, 2}, {4, 2}, {4, 2}, {4, 2},               // 0111xxxxx
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
    {4, 2}, {4, 2}, {4, 2}, {4, 2},
  {4, 3}, {4, 3}, {4, 3}, {4, 3},               // 1000xxxxx
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
    {4, 3}, {4, 3}, {4, 3}, {4, 3},
  {5, 128}, {5, 128}, {5, 128}, {5, 128},       // 10010xxxx
    {5, 128}, {5, 128}, {5, 128}, {5, 128},
    {5, 128}, {5, 128}, {5, 128}, {5, 128},
    {5, 128}, {5, 128}, {5, 128}, {5, 128},
  {5, 8}, {5, 8}, {5, 8}, {5, 8},               // 10011xxxx
    {5, 8}, {5, 8}, {5, 8}, {5, 8},
    {5, 8}, {5, 8}, {5, 8}, {5, 8},
    {5, 8}, {5, 8}, {5, 8}, {5, 8},
  {5, 9}, {5, 9}, {5, 9}, {5, 9},               // 10100xxxx
    {5, 9}, {5, 9}, {5, 9}, {5, 9},
    {5, 9}, {5, 9}, {5, 9}, {5, 9},
    {5, 9}, {5, 9}, {5, 9}, {5, 9},
  {6, 16}, {6, 16}, {6, 16}, {6, 16},           // 101010xxx
    {6, 16}, {6, 16}, {6, 16}, {6, 16},
  {6, 17}, {6, 17}, {6, 17}, {6, 17},           // 101011xxx
    {6, 17}, {6, 17}, {6, 17}, {6, 17},
  {4, 4}, {4, 4}, {4, 4}, {4, 4},               // 1011xxxxx
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
    {4, 4}, {4, 4}, {4, 4}, {4, 4},
  {4, 5}, {4, 5}, {4, 5}, {4, 5},               // 1100xxxxx
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
    {4, 5}, {4, 5}, {4, 5}, {4, 5},
  {6, 14}, {6, 14}, {6, 14}, {6, 14},           // 110100xxx
    {6, 14}, {6, 14}, {6, 14}, {6, 14},
  {6, 15}, {6, 15}, {6, 15}, {6, 15},           // 110101xxx
    {6, 15}, {6, 15}, {6, 15}, {6, 15},
  {5, 64}, {5, 64}, {5, 64}, {5, 64},           // 11011xxxx
    {5, 64}, {5, 64}, {5, 64}, {5, 64},
    {5, 64}, {5, 64}, {5, 64}, {5, 64},
    {5, 64}, {5, 64}, {5, 64}, {5, 64},
  {4, 6}, {4, 6}, {4, 6}, {4, 6},               // 1110xxxxx
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
    {4, 6}, {4, 6}, {4, 6}, {4, 6},
  {4, 7}, {4, 7}, {4, 7}, {4, 7},               // 1111xxxxx
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7},
    {4, 7}, {4, 7}, {4, 7}, {4, 7}
};

//------------------------------------------------------------------------
// black run lengths
//------------------------------------------------------------------------

// 10-13 bit codes (upper 6 bits are 0)
static CCITTCode blackTab1[128] = {
  {-1, -1}, {-1, -1},                                   // 000000000000x
  {12, ccittEOL}, {12, ccittEOL},                       // 000000000001x
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000001xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000010xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000011xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000100xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000101xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000110xx
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 00000000111xx
  {11, 1792}, {11, 1792}, {11, 1792}, {11, 1792},       // 00000001000xx
  {12, 1984}, {12, 1984},                               // 000000010010x
  {12, 2048}, {12, 2048},                               // 000000010011x
  {12, 2112}, {12, 2112},                               // 000000010100x
  {12, 2176}, {12, 2176},                               // 000000010101x
  {12, 2240}, {12, 2240},                               // 000000010110x
  {12, 2304}, {12, 2304},                               // 000000010111x
  {11, 1856}, {11, 1856}, {11, 1856}, {11, 1856},       // 00000001100xx
  {11, 1920}, {11, 1920}, {11, 1920}, {11, 1920},       // 00000001101xx
  {12, 2368}, {12, 2368},                               // 000000011100x
  {12, 2432}, {12, 2432},                               // 000000011101x
  {12, 2496}, {12, 2496},                               // 000000011110x
  {12, 2560}, {12, 2560},                               // 000000011111x
  {10, 18}, {10, 18}, {10, 18}, {10, 18},               // 0000001000xxx
    {10, 18}, {10, 18}, {10, 18}, {10, 18},
  {12, 52}, {12, 52},                                   // 000000100100x
  {13, 640},                                            // 0000001001010
  {13, 704},                                            // 0000001001011
  {13, 768},                                            // 0000001001100
  {13, 832},                                            // 0000001001101
  {12, 55}, {12, 55},                                   // 000000100111x
  {12, 56}, {12, 56},                                   // 000000101000x
  {13, 1280},                                           // 0000001010010
  {13, 1344},                                           // 0000001010011
  {13, 1408},                                           // 0000001010100
  {13, 1472},                                           // 0000001010101
  {12, 59}, {12, 59},                                   // 000000101011x
  {12, 60}, {12, 60},                                   // 000000101100x
  {13, 1536},                                           // 0000001011010
  {13, 1600},                                           // 0000001011011
  {11, 24}, {11, 24}, {11, 24}, {11, 24},               // 00000010111xx
  {11, 25}, {11, 25}, {11, 25}, {11, 25},               // 00000011000xx
  {13, 1664},                                           // 0000001100100
  {13, 1728},                                           // 0000001100101
  {12, 320}, {12, 320},                                 // 000000110011x
  {12, 384}, {12, 384},                                 // 000000110100x
  {12, 448}, {12, 448},                                 // 000000110101x
  {13, 512},                                            // 0000001101100
  {13, 576},                                            // 0000001101101
  {12, 53}, {12, 53},                                   // 000000110111x
  {12, 54}, {12, 54},                                   // 000000111000x
  {13, 896},                                            // 0000001110010
  {13, 960},                                            // 0000001110011
  {13, 1024},                                           // 0000001110100
  {13, 1088},                                           // 0000001110101
  {13, 1152},                                           // 0000001110110
  {13, 1216},                                           // 0000001110111
  {10, 64}, {10, 64}, {10, 64}, {10, 64},               // 0000001111xxx
    {10, 64}, {10, 64}, {10, 64}, {10, 64}
};

// 7-12 bit codes (upper 4 bits are 0)
static CCITTCode blackTab2[192] = {
  {8, 13}, {8, 13}, {8, 13}, {8, 13},                   // 00000100xxxx
    {8, 13}, {8, 13}, {8, 13}, {8, 13},
    {8, 13}, {8, 13}, {8, 13}, {8, 13},
    {8, 13}, {8, 13}, {8, 13}, {8, 13},
  {11, 23}, {11, 23},                                   // 00000101000x
  {12, 50},                                             // 000001010010
  {12, 51},                                             // 000001010011
  {12, 44},                                             // 000001010100
  {12, 45},                                             // 000001010101
  {12, 46},                                             // 000001010110
  {12, 47},                                             // 000001010111
  {12, 57},                                             // 000001011000
  {12, 58},                                             // 000001011001
  {12, 61},                                             // 000001011010
  {12, 256},                                            // 000001011011
  {10, 16}, {10, 16}, {10, 16}, {10, 16},               // 0000010111xx
  {10, 17}, {10, 17}, {10, 17}, {10, 17},               // 0000011000xx
  {12, 48},                                             // 000001100100
  {12, 49},                                             // 000001100101
  {12, 62},                                             // 000001100110
  {12, 63},                                             // 000001100111
  {12, 30},                                             // 000001101000
  {12, 31},                                             // 000001101001
  {12, 32},                                             // 000001101010
  {12, 33},                                             // 000001101011
  {12, 40},                                             // 000001101100
  {12, 41},                                             // 000001101101
  {11, 22}, {11, 22},                                   // 00000110111x
  {8, 14}, {8, 14}, {8, 14}, {8, 14},                   // 00000111xxxx
    {8, 14}, {8, 14}, {8, 14}, {8, 14},
    {8, 14}, {8, 14}, {8, 14}, {8, 14},
    {8, 14}, {8, 14}, {8, 14}, {8, 14},
  {7, 10}, {7, 10}, {7, 10}, {7, 10},                   // 0000100xxxxx
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
    {7, 10}, {7, 10}, {7, 10}, {7, 10},
  {7, 11}, {7, 11}, {7, 11}, {7, 11},                   // 0000101xxxxx
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
    {7, 11}, {7, 11}, {7, 11}, {7, 11},
  {9, 15}, {9, 15}, {9, 15}, {9, 15},                   // 000011000xxx
    {9, 15}, {9, 15}, {9, 15}, {9, 15},
  {12, 128},                                            // 000011001000
  {12, 192},                                            // 000011001001
  {12, 26},                                             // 000011001010
  {12, 27},                                             // 000011001011
  {12, 28},                                             // 000011001100
  {12, 29},                                             // 000011001101
  {11, 19}, {11, 19},                                   // 00001100111x
  {11, 20}, {11, 20},                                   // 00001101000x
  {12, 34},                                             // 000011010010
  {12, 35},                                             // 000011010011
  {12, 36},                                             // 000011010100
  {12, 37},                                             // 000011010101
  {12, 38},                                             // 000011010110
  {12, 39},                                             // 000011010111
  {11, 21}, {11, 21},                                   // 00001101100x
  {12, 42},                                             // 000011011010
  {12, 43},                                             // 000011011011
  {10, 0}, {10, 0}, {10, 0}, {10, 0},                   // 0000110111xx
  {7, 12}, {7, 12}, {7, 12}, {7, 12},                   // 0000111xxxxx
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12},
    {7, 12}, {7, 12}, {7, 12}, {7, 12}
};

// 2-6 bit codes
static CCITTCode blackTab3[64] = {
  {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1},               // 0000xx
  {6, 9},                                               // 000100
  {6, 8},                                               // 000101
  {5, 7}, {5, 7},                                       // 00011x
  {4, 6}, {4, 6}, {4, 6}, {4, 6},                       // 0010xx
  {4, 5}, {4, 5}, {4, 5}, {4, 5},                       // 0011xx
  {3, 1}, {3, 1}, {3, 1}, {3, 1},                       // 010xxx
    {3, 1}, {3, 1}, {3, 1}, {3, 1},
  {3, 4}, {3, 4}, {3, 4}, {3, 4},                       // 011xxx
    {3, 4}, {3, 4}, {3, 4}, {3, 4},
  {2, 3}, {2, 3}, {2, 3}, {2, 3},                       // 10xxxx
    {2, 3}, {2, 3}, {2, 3}, {2, 3},
    {2, 3}, {2, 3}, {2, 3}, {2, 3},
    {2, 3}, {2, 3}, {2, 3}, {2, 3},
  {2, 2}, {2, 2}, {2, 2}, {2, 2},                       // 11xxxx
    {2, 2}, {2, 2}, {2, 2}, {2, 2},
    {2, 2}, {2, 2}, {2, 2}, {2, 2},
    {2, 2}, {2, 2}, {2, 2}, {2, 2}
};

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