Added in the tables for faxstream
This commit is contained in:
sbarman
parent
1673d2497c
commit
8c3ebb8d9f
585
pdf.js
585
pdf.js
@ -840,19 +840,446 @@ var Ascii85Stream = (function() {
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})();
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var CcittFaxStream = (function() {
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const ccittEOL = -2;
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const twoDimPass = 0;
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const twoDimHoriz = 1;
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const twoDimVert0 = 2;
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const twoDimVertR1 = 3;
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const twoDimVertL1 = 4;
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const twoDimVertR2 = 5;
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const twoDimVertL2 = 6;
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const twoDimVertR3 = 7;
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const twoDimVertL3 = 8;
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const twoDimTable1 = [
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[-1, -1], [-1, -1], // 000000x
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[7, twoDimVertL3], // 0000010
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[7, twoDimVertR3], // 0000011
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[6, twoDimVertL2], [6, twoDimVertL2], // 000010x
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[6, twoDimVertR2], [6, twoDimVertR2], // 000011x
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[4, twoDimPass], [4, twoDimPass], // 0001xxx
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[4, twoDimPass], [4, twoDimPass],
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[4, twoDimPass], [4, twoDimPass],
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[4, twoDimPass], [4, twoDimPass],
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[3, twoDimHoriz], [3, twoDimHoriz], // 001xxxx
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimHoriz], [3, twoDimHoriz],
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[3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertL1], [3, twoDimVertL1],
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[3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[3, twoDimVertR1], [3, twoDimVertR1],
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[1, twoDimVert0], [1, twoDimVert0], // 1xxxxxx
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0],
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[1, twoDimVert0], [1, twoDimVert0]
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];
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const whiteTable1 = [
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[-1, -1], // 00000
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[12, ccittEOL], // 00001
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[-1, -1], [-1, -1], // 0001x
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx
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[11, 1792], [11, 1792], // 1000x
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[12, 1984], // 10010
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[12, 2048], // 10011
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[12, 2112], // 10100
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[12, 2176], // 10101
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[12, 2240], // 10110
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[12, 2304], // 10111
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[11, 1856], [11, 1856], // 1100x
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[11, 1920], [11, 1920], // 1101x
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[12, 2368], // 11100
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[12, 2432], // 11101
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[12, 2496], // 11110
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[12, 2560] // 11111
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];
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const whiteTable2 = [
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000000xx
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[8, 29], [8, 29], // 00000010x
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[8, 30], [8, 30], // 00000011x
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[8, 45], [8, 45], // 00000100x
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[8, 46], [8, 46], // 00000101x
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[7, 22], [7, 22], [7, 22], [7, 22], // 0000011xx
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[7, 23], [7, 23], [7, 23], [7, 23], // 0000100xx
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[8, 47], [8, 47], // 00001010x
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[8, 48], [8, 48], // 00001011x
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[6, 13], [6, 13], [6, 13], [6, 13], // 000011xxx
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[6, 13], [6, 13], [6, 13], [6, 13],
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[7, 20], [7, 20], [7, 20], [7, 20], // 0001000xx
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[8, 33], [8, 33], // 00010010x
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[8, 34], [8, 34], // 00010011x
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[8, 35], [8, 35], // 00010100x
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[8, 36], [8, 36], // 00010101x
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[8, 37], [8, 37], // 00010110x
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[8, 38], [8, 38], // 00010111x
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[7, 19], [7, 19], [7, 19], [7, 19], // 0001100xx
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[8, 31], [8, 31], // 00011010x
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[8, 32], [8, 32], // 00011011x
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[6, 1], [6, 1], [6, 1], [6, 1], // 000111xxx
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[6, 1], [6, 1], [6, 1], [6, 1],
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[6, 12], [6, 12], [6, 12], [6, 12], // 001000xxx
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[6, 12], [6, 12], [6, 12], [6, 12],
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[8, 53], [8, 53], // 00100100x
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[8, 54], [8, 54], // 00100101x
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[7, 26], [7, 26], [7, 26], [7, 26], // 0010011xx
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[8, 39], [8, 39], // 00101000x
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[8, 40], [8, 40], // 00101001x
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[8, 41], [8, 41], // 00101010x
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[8, 42], [8, 42], // 00101011x
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[8, 43], [8, 43], // 00101100x
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[8, 44], [8, 44], // 00101101x
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[7, 21], [7, 21], [7, 21], [7, 21], // 0010111xx
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[7, 28], [7, 28], [7, 28], [7, 28], // 0011000xx
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[8, 61], [8, 61], // 00110010x
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[8, 62], [8, 62], // 00110011x
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[8, 63], [8, 63], // 00110100x
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[8, 0], [8, 0], // 00110101x
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[8, 320], [8, 320], // 00110110x
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[8, 384], [8, 384], // 00110111x
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[5, 10], [5, 10], [5, 10], [5, 10], // 00111xxxx
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[5, 10], [5, 10], [5, 10], [5, 10],
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[5, 10], [5, 10], [5, 10], [5, 10],
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[5, 10], [5, 10], [5, 10], [5, 10],
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[5, 11], [5, 11], [5, 11], [5, 11], // 01000xxxx
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[5, 11], [5, 11], [5, 11], [5, 11],
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[5, 11], [5, 11], [5, 11], [5, 11],
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[5, 11], [5, 11], [5, 11], [5, 11],
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[7, 27], [7, 27], [7, 27], [7, 27], // 0100100xx
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[8, 59], [8, 59], // 01001010x
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[8, 60], [8, 60], // 01001011x
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[9, 1472], // 010011000
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[9, 1536], // 010011001
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[9, 1600], // 010011010
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[9, 1728], // 010011011
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[7, 18], [7, 18], [7, 18], [7, 18], // 0100111xx
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[7, 24], [7, 24], [7, 24], [7, 24], // 0101000xx
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[8, 49], [8, 49], // 01010010x
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[8, 50], [8, 50], // 01010011x
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[8, 51], [8, 51], // 01010100x
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[8, 52], [8, 52], // 01010101x
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[7, 25], [7, 25], [7, 25], [7, 25], // 0101011xx
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[8, 55], [8, 55], // 01011000x
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[8, 56], [8, 56], // 01011001x
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[8, 57], [8, 57], // 01011010x
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[8, 58], [8, 58], // 01011011x
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[6, 192], [6, 192], [6, 192], [6, 192], // 010111xxx
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[6, 192], [6, 192], [6, 192], [6, 192],
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[6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx
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[6, 1664], [6, 1664], [6, 1664], [6, 1664],
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[8, 448], [8, 448], // 01100100x
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[8, 512], [8, 512], // 01100101x
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[9, 704], // 011001100
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[9, 768], // 011001101
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[8, 640], [8, 640], // 01100111x
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[8, 576], [8, 576], // 01101000x
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[9, 832], // 011010010
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[9, 896], // 011010011
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[9, 960], // 011010100
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[9, 1024], // 011010101
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[9, 1088], // 011010110
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[9, 1152], // 011010111
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[9, 1216], // 011011000
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[9, 1280], // 011011001
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[9, 1344], // 011011010
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[9, 1408], // 011011011
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[7, 256], [7, 256], [7, 256], [7, 256], // 0110111xx
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[4, 2], [4, 2], [4, 2], [4, 2], // 0111xxxxx
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 2], [4, 2], [4, 2], [4, 2],
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[4, 3], [4, 3], [4, 3], [4, 3], // 1000xxxxx
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[4, 3], [4, 3], [4, 3], [4, 3],
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[5, 128], [5, 128], [5, 128], [5, 128], // 10010xxxx
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[5, 128], [5, 128], [5, 128], [5, 128],
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[5, 128], [5, 128], [5, 128], [5, 128],
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[5, 128], [5, 128], [5, 128], [5, 128],
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[5, 8], [5, 8], [5, 8], [5, 8], // 10011xxxx
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[5, 8], [5, 8], [5, 8], [5, 8],
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[5, 8], [5, 8], [5, 8], [5, 8],
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[5, 8], [5, 8], [5, 8], [5, 8],
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[5, 9], [5, 9], [5, 9], [5, 9], // 10100xxxx
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[5, 9], [5, 9], [5, 9], [5, 9],
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[5, 9], [5, 9], [5, 9], [5, 9],
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[5, 9], [5, 9], [5, 9], [5, 9],
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[6, 16], [6, 16], [6, 16], [6, 16], // 101010xxx
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[6, 16], [6, 16], [6, 16], [6, 16],
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[6, 17], [6, 17], [6, 17], [6, 17], // 101011xxx
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[6, 17], [6, 17], [6, 17], [6, 17],
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[4, 4], [4, 4], [4, 4], [4, 4], // 1011xxxxx
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 4], [4, 4], [4, 4], [4, 4],
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[4, 5], [4, 5], [4, 5], [4, 5], // 1100xxxxx
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[4, 5], [4, 5], [4, 5], [4, 5],
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[6, 14], [6, 14], [6, 14], [6, 14], // 110100xxx
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[6, 14], [6, 14], [6, 14], [6, 14],
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[6, 15], [6, 15], [6, 15], [6, 15], // 110101xxx
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[6, 15], [6, 15], [6, 15], [6, 15],
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[5, 64], [5, 64], [5, 64], [5, 64], // 11011xxxx
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[5, 64], [5, 64], [5, 64], [5, 64],
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[5, 64], [5, 64], [5, 64], [5, 64],
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[5, 64], [5, 64], [5, 64], [5, 64],
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[4, 6], [4, 6], [4, 6], [4, 6], // 1110xxxxx
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 6], [4, 6], [4, 6], [4, 6],
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[4, 7], [4, 7], [4, 7], [4, 7], // 1111xxxxx
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7],
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[4, 7], [4, 7], [4, 7], [4, 7]
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];
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const blackTable1 = [
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[-1, -1], [-1, -1], // 000000000000x
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[12, ccittEOL], [12, ccittEOL], // 000000000001x
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000001xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000010xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000011xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000100xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000101xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000110xx
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[-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000111xx
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[11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx
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[12, 1984], [12, 1984], // 000000010010x
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[12, 2048], [12, 2048], // 000000010011x
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[12, 2112], [12, 2112], // 000000010100x
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[12, 2176], [12, 2176], // 000000010101x
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[12, 2240], [12, 2240], // 000000010110x
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[12, 2304], [12, 2304], // 000000010111x
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[11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx
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[11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx
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[12, 2368], [12, 2368], // 000000011100x
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[12, 2432], [12, 2432], // 000000011101x
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[12, 2496], [12, 2496], // 000000011110x
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[12, 2560], [12, 2560], // 000000011111x
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[10, 18], [10, 18], [10, 18], [10, 18], // 0000001000xxx
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[10, 18], [10, 18], [10, 18], [10, 18],
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[12, 52], [12, 52], // 000000100100x
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[13, 640], // 0000001001010
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[13, 704], // 0000001001011
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[13, 768], // 0000001001100
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[13, 832], // 0000001001101
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[12, 55], [12, 55], // 000000100111x
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[12, 56], [12, 56], // 000000101000x
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[13, 1280], // 0000001010010
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[13, 1344], // 0000001010011
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[13, 1408], // 0000001010100
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[13, 1472], // 0000001010101
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[12, 59], [12, 59], // 000000101011x
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[12, 60], [12, 60], // 000000101100x
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[13, 1536], // 0000001011010
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[13, 1600], // 0000001011011
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[11, 24], [11, 24], [11, 24], [11, 24], // 00000010111xx
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[11, 25], [11, 25], [11, 25], [11, 25], // 00000011000xx
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[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);
|
||||
@ -1151,7 +1578,155 @@ var CcittFaxStream = (function() {
|
||||
}
|
||||
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;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user