})();
var CcittFaxStream = (function() {
+
+ const ccittEOL = -2;
+ const twoDimPass = 0;
+ const twoDimHoriz = 1;
+ const twoDimVert0 = 2;
+ const twoDimVertR1 = 3;
+ const twoDimVertL1 = 4;
+ const twoDimVertR2 = 5;
+ const twoDimVertL2 = 6;
+ const twoDimVertR3 = 7;
+ const twoDimVertL3 = 8;
+
+ const twoDimTable1 = [
+ [-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]
+ ];
+
+ const whiteTable1 = [
+ [-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
+ ];
+
+ const whiteTable2 = [
+ [-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]
+ ];
+
+ const blackTable1 = [
+ [-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]
+ ];
+
+ const blackTable2 = [
+ [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]
+ ];
+
+ const blackTable3 = [
+ [-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]
+ ];
+
function constructor(str) {
this.str = str;
var dict = str.dict;
this.dict = dict;
this.encoding = dict.get("K") || 0;
- this.eol = dict.get("EndOfLine") || false;
+ this.eoline = dict.get("EndOfLine") || false;
this.byteAlign = dict.get("EncodedByteAlign") || false;
this.columns = dict.get("Columns") || 1728;
this.rows = dict.get("Rows") || 0;
- var eob = dict.get("EndOfBlock");
- if (typeof eob == "undefined")
- eob = true;
+ var eoblock = dict.get("EndOfBlock");
+ if (typeof eoblock == "undefined")
+ eoblock = true;
this.black = dict.get("BlackIs1") || false;
this.codingLine = new Uint8Array(this.columns + 1);
}
return buf;
}
- constructor.prototype.addPixels(a1, blackPixels) {
+ constructor.prototype.getTwoDimCode() {
+ var code = 0;
+ var p;
+ if (this.eoblock) {
+ code = this.lookBits(7);
+ p = twoDimTable[code];
+ if (p[0] > 0) {
+ eatBits(p[0]);
+ return p[1];
+ }
+ } else {
+ for (var n = 1; n <= 7; ++n) {
+ code = lookBits(n);
+ if (n < 7) {
+ code <<= 7 - n;
+ }
+ p = twoDimTable[code];
+ if (p[0] == n) {
+ eatBits(n);
+ return p[1];
+ }
+ }
+ }
+ error("Bad two dim code");
+ };
+
+ constructor.prototype.getWhiteCode() {
+ var code = 0;
+ var p;
+ var n;
+ if (this.eoblock) {
+ code = this.lookBits(12);
+ if (typeof code == "undefined")
+ return 1;
+
+ if ((code >> 5) == 0)
+ p = whiteTable1[code];
+ else
+ p = whiteTable2[code >> 3];
+
+ if (p[0] > 0) {
+ this.eatBits(p[0]);
+ return p[1];
+ }
+ } else {
+ for (var n = 1; n <= 9; ++n) {
+ code = this.lookBits(n);
+ if (typeof code == "undefined")
+ return 1;
+
+ if (n < 9)
+ code <<= 9 - n;
+ p = whiteTable2[code];
+ if (p[0] == b) {
+ this.eatBits(n);
+ return p[0];
+ }
+ }
+ for (var n = 11; n <= 12; ++n) {
+ code == this.lookBits(n);
+ if (typeof code == "undefined")
+ return 1;
+ if (n < 12)
+ code <<= 12 - n;
+ p = whiteTable1[code];
+ if (p[0] == n) {
+ eatBits(n);
+ return p[1];
+ }
+ }
+ }
+ error("bad white code");
+ };
+ constructor.prototype.getBlackCode() {
+ var code, p, n;
+ if (this.eoblock) {
+ code = this.lookBits(13);
+ if (typeof code == "undefined")
+ return 1;
+ if ((code >> 7) == 0)
+ p = blackTable1[code];
+ else if ((code >> 9) == 0 && (code >> 7) != 0)
+ p = blackTable2[(code >> 1) - 64];
+ else
+ p = blackTable3[code >> 7];
+
+ if (p[0] > 0) {
+ this.eatBits(p[0]);
+ return p[1];
+ }
+ } else {
+ for (var n = 2; n <= 6; ++n) {
+ code = this.lookBits(n);
+ if (typeof code == "undefined")
+ return 1;
+ if (n < 6)
+ code <<= 6 - n;
+
+ p = blackTable3[code];
+ if (p[0] == n) {
+ this.eatBits(n);
+ return p[1];
+ }
+ }
+ for (var n = 7; n <= 12; ++n) {
+ code = this.lookBits(n);
+ if (typeof code == "undefined")
+ return 1;
+ if (n < 12)
+ code <<= 12 - n;
+ if (code >= 64) {
+ p = blackTable[code - 64];
+ if (p[0] == n) {
+ this.eatBits(n);
+ return p[1];
+ }
+ }
+ }
+ for (n = 10; n <= 13; ++n) {
+ code = lookBits(n);
+ if (code == EOF)
+ return 1;
+ if (n < 13)
+ code << 13 - n;
+ p = blackTable1[code];
+ if (p[0] == n) {
+ this.eatBits(n);
+ return p[1];
+ }
+ }
+ }
+ error("bad black code");
+ };
+ constructor.prototype.lookBits(n) {
+ var c;
+ while (inputBits < n) {
+ if (typeof (c = str.getByte()) == "undefined") {
+ if (inputBits == 0)
+ return EOF;
+ return (inputBuf << (n - inputBits)) & (0xFFFF >> (16 - n));
+ }
+ inputBuf = (inputBuf << 8) + c;
+ inputBits += 8;
+ }
+ return (inputBuf >> (inputBits - n)) & (0xFFFF >> (16 - n));
+ };
+ constructor.prototype.eatBits(n) {
+ if ((inputBits -= n) < 0)
+ inputBits = 0;
}
return constructor;
projects / pdf.js.git / commitdiff