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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 0c 74 69 66 66 67 72 | 6f 75 70 34 2e 63 00 00 |..tiffgr|oup4.c..|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000080| 2f 2a 0d 20 2a 20 54 68 | 69 73 20 73 6f 66 74 77 |/*. * Th|is softw|
|00000090| 61 72 65 20 69 73 20 63 | 6f 70 79 72 69 67 68 74 |are is c|opyright|
|000000a0| 20 31 39 39 32 20 62 79 | 20 52 6f 62 65 72 74 20 | 1992 by| Robert |
|000000b0| 4d 6f 72 72 69 73 2e 0d | 20 2a 20 59 6f 75 20 6d |Morris..| * You m|
|000000c0| 61 79 20 66 72 65 65 6c | 79 20 72 65 64 69 73 74 |ay freel|y redist|
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|000000e0| 77 61 72 65 20 61 73 20 | 73 68 61 72 65 77 61 72 |ware as |sharewar|
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|00000130| 20 74 68 69 73 20 73 6f | 66 74 77 61 72 65 20 75 | this so|ftware u|
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|00000160| 52 6f 62 65 72 74 20 4d | 6f 72 72 69 73 0d 20 2a |Robert M|orris. *|
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|00000230| 63 6f 70 79 20 64 69 73 | 74 72 69 62 75 74 65 64 |copy dis|tributed|
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|00000260| 2f 2a 0d 20 2a 20 44 65 | 63 6f 64 65 20 47 72 6f |/*. * De|code Gro|
|00000270| 75 70 20 34 20 54 49 46 | 46 20 63 6f 6d 70 72 65 |up 4 TIF|F compre|
|00000280| 73 73 69 6f 6e 2e 20 42 | 61 73 65 64 20 6f 6e 20 |ssion. B|ased on |
|00000290| 43 43 49 54 54 20 52 65 | 63 6f 6d 6d 65 6e 64 61 |CCITT Re|commenda|
|000002a0| 74 69 6f 6e 20 54 2e 36 | 2c 0d 20 2a 20 22 46 61 |tion T.6|,. * "Fa|
|000002b0| 63 73 69 6d 69 6c 65 20 | 43 6f 64 69 6e 67 20 53 |csimile |Coding S|
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|000002d0| 67 20 43 6f 6e 74 72 6f | 6c 20 46 75 6e 63 74 69 |g Contro|l Functi|
|000002e0| 6f 6e 73 20 66 6f 72 20 | 47 72 6f 75 70 20 34 0d |ons for |Group 4.|
|000002f0| 20 2a 20 46 61 63 73 69 | 6d 69 6c 65 20 41 70 70 | * Facsi|mile App|
|00000300| 61 72 61 74 75 73 2c 22 | 20 31 39 38 38 2c 20 46 |aratus,"| 1988, F|
|00000310| 61 73 63 69 63 6c 65 20 | 56 49 49 2e 33 2e 0d 20 |ascicle |VII.3.. |
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|00000360| 69 74 73 2e 68 22 0d 0d | 73 74 72 75 63 74 20 54 |its.h"..|struct T|
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|000003a0| 62 69 74 73 20 6f 75 74 | 3b 0d 09 73 68 6f 72 74 |bits out|;..short|
|000003b0| 20 2a 72 65 66 65 72 65 | 6e 63 65 3b 09 2f 2a 20 | *refere|nce;./* |
|000003c0| 61 72 72 61 79 20 6f 66 | 20 69 6e 64 69 63 65 73 |array of| indices|
|000003d0| 20 6f 66 20 63 68 61 6e | 67 69 6e 67 20 65 6c 65 | of chan|ging ele|
|000003e0| 6d 65 6e 74 73 20 2a 2f | 0d 09 73 68 6f 72 74 20 |ments */|..short |
|000003f0| 2a 6e 65 78 74 72 65 66 | 3b 09 2f 2a 20 63 68 61 |*nextref|;./* cha|
|00000400| 6e 67 69 6e 67 20 65 6c | 65 6d 65 6e 74 73 20 6f |nging el|ements o|
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|00000440| 66 6f 3b 0d 0d 4f 53 45 | 72 72 20 54 36 4c 69 6e |fo;..OSE|rr T6Lin|
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|00000520| 28 74 36 2d 3e 69 6e 29 | 29 0d 0d 4f 53 45 72 72 |(t6->in)|)..OSErr|
|00000530| 0d 44 65 63 6f 64 65 54 | 36 28 54 49 46 46 50 74 |.DecodeT|6(TIFFPt|
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|00000550| 6c 6f 6e 67 20 69 6e 6c | 65 6e 2c 20 63 68 61 72 |long inl|en, char|
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|00000660| 31 30 30 30 29 7b 0d 09 | 09 54 49 46 46 45 72 72 |1000){..|.TIFFErr|
|00000670| 6f 72 28 74 69 2c 20 2d | 31 2c 20 22 5c 70 47 72 |or(ti, -|1, "\pGr|
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|00000690| 6f 6f 20 77 69 64 65 2e | 22 29 3b 0d 09 09 72 65 |oo wide.|");...re|
|000006a0| 74 75 72 6e 28 2d 31 29 | 3b 0d 09 7d 0d 09 0d 09 |turn(-1)|;..}....|
|000006b0| 69 66 28 49 6e 69 74 54 | 34 54 61 62 6c 65 73 28 |if(InitT|4Tables(|
|000006c0| 29 20 21 3d 20 30 29 7b | 0d 09 09 54 49 46 46 45 |) != 0){|...TIFFE|
|000006d0| 72 72 6f 72 28 74 69 2c | 20 2d 31 2c 20 22 5c 70 |rror(ti,| -1, "\p|
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|00000950| 20 7c 7c 20 74 36 2d 3e | 6e 65 78 74 72 65 66 20 | || t6->|nextref |
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|00000a30| 09 09 69 66 28 65 72 72 | 20 21 3d 20 30 29 0d 09 |..if(err| != 0)..|
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|00000ac0| 09 69 66 28 74 36 29 0d | 09 09 44 69 73 70 6f 73 |.if(t6).|..Dispos|
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|00000b00| 72 65 74 75 72 6e 28 28 | 65 72 72 20 21 3d 20 30 |return((|err != 0|
|00000b10| 20 7c 7c 20 74 69 2d 3e | 65 72 72 20 21 3d 20 30 | || ti->|err != 0|
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|00000b50| 6e 65 2e 20 4d 61 69 6e | 74 61 69 6e 20 72 65 66 |ne. Main|tain ref|
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|00000ba0| 74 70 75 74 20 6c 69 6e | 65 20 74 6f 20 61 20 62 |tput lin|e to a b|
|00000bb0| 79 74 65 20 62 6f 75 6e | 64 61 72 79 2e 0d 20 2a |yte boun|dary.. *|
|00000bc0| 2f 0d 4f 53 45 72 72 0d | 54 36 4c 69 6e 65 28 54 |/.OSErr.|T6Line(T|
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|00000bf0| 3b 0d 09 6c 6f 6e 67 20 | 62 69 74 2c 20 62 34 3b |;..long |bit, b4;|
|00000c00| 0d 09 6c 6f 6e 67 20 62 | 31 2c 20 62 32 3b 0d 09 |..long b|1, b2;..|
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|00000c20| 0d 09 6c 6f 6e 67 20 6e | 72 70 20 3d 20 30 2c 20 |..long n|rp = 0, |
|00000c30| 72 70 20 3d 20 30 3b 0d | 09 73 68 6f 72 74 20 2a |rp = 0;.|.short *|
|00000c40| 6e 65 78 74 72 65 66 20 | 3d 20 74 36 2d 3e 6e 65 |nextref |= t6->ne|
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|00000c70| 65 66 65 72 65 6e 63 65 | 3b 0d 09 6c 6f 6e 67 20 |eference|;..long |
|00000c80| 61 30 20 3d 20 2d 31 3b | 0d 09 6c 6f 6e 67 20 61 |a0 = -1;|..long a|
|00000c90| 30 63 6f 6c 6f 72 20 3d | 20 30 3b 20 2f 2a 20 6c |0color =| 0; /* l|
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|00000cb0| 20 74 6f 20 73 74 61 72 | 74 20 6f 75 74 20 77 68 | to star|t out wh|
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|00000cd0| 74 68 20 3d 20 74 36 2d | 3e 74 69 2d 3e 69 6d 61 |th = t6-|>ti->ima|
|00000ce0| 67 65 57 69 64 74 68 3b | 0d 09 0d 09 73 61 76 65 |geWidth;|....save|
|00000cf0| 73 74 61 72 74 20 3d 20 | 54 65 6c 6c 42 69 74 73 |start = |TellBits|
|00000d00| 28 26 28 74 36 2d 3e 6f | 75 74 29 29 3b 0d 09 0d |(&(t6->o|ut));...|
|00000d10| 09 77 68 69 6c 65 28 61 | 30 20 3c 20 77 69 64 74 |.while(a|0 < widt|
|00000d20| 68 29 7b 0d 09 09 69 66 | 28 54 36 45 4f 46 28 74 |h){...if|(T6EOF(t|
|00000d30| 36 29 29 0d 09 09 09 72 | 65 74 75 72 6e 28 2d 31 |6))....r|eturn(-1|
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|00000d50| 70 20 3e 20 30 20 26 26 | 20 72 65 66 65 72 65 6e |p > 0 &&| referen|
|00000d60| 63 65 5b 72 70 5d 20 3e | 20 61 30 29 0d 09 09 09 |ce[rp] >| a0)....|
|00000d70| 72 70 20 2d 3d 20 31 3b | 0d 09 09 09 0d 09 09 2f |rp -= 1;|......./|
|00000d80| 2a 20 73 65 61 72 63 68 | 20 66 6f 72 77 61 72 64 |* search| forward|
|00000d90| 20 66 6f 72 20 74 68 65 | 20 66 69 72 73 74 20 72 | for the| first r|
|00000da0| 65 66 65 72 65 6e 63 65 | 20 63 68 61 6e 67 65 20 |eference| change |
|00000db0| 61 66 74 65 72 20 61 30 | 20 2a 2f 0d 09 09 77 68 |after a0| */...wh|
|00000dc0| 69 6c 65 28 72 65 66 65 | 72 65 6e 63 65 5b 72 70 |ile(refe|rence[rp|
|00000dd0| 5d 20 3c 3d 20 61 30 29 | 0d 09 09 09 72 70 20 2b |] <= a0)|....rp +|
|00000de0| 3d 20 31 3b 0d 09 09 0d | 09 09 2f 2a 0d 09 09 20 |= 1;....|../*... |
|00000df0| 2a 20 4d 61 6b 65 20 73 | 75 72 65 20 62 31 20 68 |* Make s|ure b1 h|
|00000e00| 61 73 20 61 6e 20 6f 70 | 70 6f 73 69 74 65 20 63 |as an op|posite c|
|00000e10| 6f 6c 6f 72 20 74 6f 20 | 61 30 2e 0d 09 09 20 2a |olor to |a0.... *|
|00000e20| 20 41 6e 20 6f 64 64 20 | 72 65 66 65 72 65 6e 63 | An odd |referenc|
|00000e30| 65 20 69 6e 64 65 78 20 | 69 73 20 61 20 63 68 61 |e index |is a cha|
|00000e40| 6e 67 65 20 74 6f 20 77 | 68 69 74 65 2e 0d 09 09 |nge to w|hite....|
|00000e50| 20 2a 20 52 65 66 65 72 | 65 6e 63 65 73 5b 5d 20 | * Refer|ences[] |
|00000e60| 64 6f 65 73 20 6e 6f 74 | 20 68 61 76 65 20 7a 65 |does not| have ze|
|00000e70| 72 6f 2d 6c 65 6e 67 74 | 68 20 72 75 6e 73 2e 0d |ro-lengt|h runs..|
|00000e80| 09 09 20 2a 2f 0d 09 09 | 69 66 28 72 65 66 65 72 |.. */...|if(refer|
|00000e90| 65 6e 63 65 5b 72 70 5d | 20 3c 20 77 69 64 74 68 |ence[rp]| < width|
|00000ea0| 20 26 26 20 28 72 70 20 | 26 20 31 29 20 21 3d 20 | && (rp |& 1) != |
|00000eb0| 61 30 63 6f 6c 6f 72 29 | 7b 0d 09 09 09 72 70 20 |a0color)|{....rp |
|00000ec0| 2b 3d 20 31 3b 0d 09 09 | 7d 0d 09 09 62 31 20 3d |+= 1;...|}...b1 =|
|00000ed0| 20 72 65 66 65 72 65 6e | 63 65 5b 72 70 5d 3b 0d | referen|ce[rp];.|
|00000ee0| 09 0d 09 09 69 66 28 72 | 65 66 65 72 65 6e 63 65 |....if(r|eference|
|00000ef0| 5b 72 70 5d 20 3c 20 77 | 69 64 74 68 29 0d 09 09 |[rp] < w|idth)...|
|00000f00| 09 62 32 20 3d 20 72 65 | 66 65 72 65 6e 63 65 5b |.b2 = re|ference[|
|00000f10| 72 70 2b 31 5d 3b 0d 09 | 09 65 6c 73 65 0d 09 09 |rp+1];..|.else...|
|00000f20| 09 62 32 20 3d 20 77 69 | 64 74 68 3b 0d 09 09 0d |.b2 = wi|dth;....|
|00000f30| 09 09 2f 2a 0d 09 09 20 | 2a 20 74 68 65 20 66 69 |../*... |* the fi|
|00000f40| 72 73 74 20 63 6f 75 6e | 74 20 6f 66 20 65 61 63 |rst coun|t of eac|
|00000f50| 68 20 6c 69 6e 65 20 69 | 73 20 66 72 6f 6d 20 70 |h line i|s from p|
|00000f60| 6f 73 69 74 69 6f 6e 20 | 30 2c 20 6e 6f 74 20 61 |osition |0, not a|
|00000f70| 30 2c 20 73 69 6e 63 65 | 0d 09 09 20 2a 20 61 30 |0, since|... * a0|
|00000f80| 20 73 74 61 72 74 73 20 | 61 73 20 2d 31 2e 0d 09 | starts |as -1...|
|00000f90| 09 20 2a 2f 0d 09 09 69 | 66 28 61 30 20 3d 3d 20 |. */...i|f(a0 == |
|00000fa0| 2d 31 29 7b 0d 09 09 09 | 62 31 20 2d 3d 20 31 3b |-1){....|b1 -= 1;|
|00000fb0| 0d 09 09 09 62 32 20 2d | 3d 20 31 3b 0d 09 09 7d |....b2 -|= 1;...}|
|00000fc0| 0d 09 09 09 0d 09 09 72 | 75 6e 31 20 3d 20 72 75 |.......r|un1 = ru|
|00000fd0| 6e 32 20 3d 20 2d 31 3b | 0d 09 09 62 34 20 3d 20 |n2 = -1;|...b4 = |
|00000fe0| 50 65 65 6b 34 42 69 74 | 73 28 26 28 74 36 2d 3e |Peek4Bit|s(&(t6->|
|00000ff0| 69 6e 29 29 3b 0d 09 09 | 73 77 69 74 63 68 28 62 |in));...|switch(b|
|00001000| 34 29 7b 0d 09 09 63 61 | 73 65 20 31 3a 20 63 61 |4){...ca|se 1: ca|
|00001010| 73 65 20 33 3a 20 63 61 | 73 65 20 35 3a 20 63 61 |se 3: ca|se 5: ca|
|00001020| 73 65 20 37 3a 20 63 61 | 73 65 20 39 3a 20 63 61 |se 7: ca|se 9: ca|
|00001030| 73 65 20 31 31 3a 20 63 | 61 73 65 20 31 33 3a 20 |se 11: c|ase 13: |
|00001040| 63 61 73 65 20 31 35 3a | 0d 09 09 09 2f 2a 20 31 |case 15:|..../* 1|
|00001050| 3a 20 56 30 20 2a 2f 0d | 09 09 09 54 6f 73 73 42 |: V0 */.|...TossB|
|00001060| 69 74 73 28 26 28 74 36 | 2d 3e 69 6e 29 2c 20 31 |its(&(t6|->in), 1|
|00001070| 29 3b 0d 09 09 09 72 75 | 6e 31 20 3d 20 62 31 20 |);....ru|n1 = b1 |
|00001080| 2d 20 61 30 3b 0d 09 09 | 09 62 72 65 61 6b 3b 0d |- a0;...|.break;.|
|00001090| 09 09 63 61 73 65 20 36 | 3a 20 63 61 73 65 20 31 |..case 6|: case 1|
|000010a0| 34 3a 0d 09 09 09 2f 2a | 20 30 31 31 3a 20 56 52 |4:..../*| 011: VR|
|000010b0| 31 20 2a 2f 0d 09 09 09 | 54 6f 73 73 42 69 74 73 |1 */....|TossBits|
|000010c0| 28 26 28 74 36 2d 3e 69 | 6e 29 2c 20 33 29 3b 0d |(&(t6->i|n), 3);.|
|000010d0| 09 09 09 72 75 6e 31 20 | 3d 20 62 31 20 2d 20 61 |...run1 |= b1 - a|
|000010e0| 30 20 2b 20 31 3b 0d 09 | 09 09 62 72 65 61 6b 3b |0 + 1;..|..break;|
|000010f0| 0d 09 09 63 61 73 65 20 | 32 3a 20 63 61 73 65 20 |...case |2: case |
|00001100| 31 30 3a 0d 09 09 09 2f | 2a 20 30 31 30 3a 20 56 |10:..../|* 010: V|
|00001110| 4c 31 20 2a 2f 0d 09 09 | 09 54 6f 73 73 42 69 74 |L1 */...|.TossBit|
|00001120| 73 28 26 28 74 36 2d 3e | 69 6e 29 2c 20 33 29 3b |s(&(t6->|in), 3);|
|00001130| 0d 09 09 09 72 75 6e 31 | 20 3d 20 62 31 20 2d 20 |....run1| = b1 - |
|00001140| 61 30 20 2d 20 31 3b 0d | 09 09 09 62 72 65 61 6b |a0 - 1;.|...break|
|00001150| 3b 0d 09 09 63 61 73 65 | 20 34 3a 20 63 61 73 65 |;...case| 4: case|
|00001160| 20 31 32 3a 0d 09 09 09 | 2f 2a 20 30 30 31 3a 20 | 12:....|/* 001: |
|00001170| 68 6f 72 69 7a 6f 6e 74 | 61 6c 20 6d 6f 64 65 20 |horizont|al mode |
|00001180| 2a 2f 0d 09 09 09 54 6f | 73 73 42 69 74 73 28 26 |*/....To|ssBits(&|
|00001190| 28 74 36 2d 3e 69 6e 29 | 2c 20 33 29 3b 0d 09 09 |(t6->in)|, 3);...|
|000011a0| 09 72 75 6e 31 20 3d 20 | 54 34 43 6f 64 65 28 74 |.run1 = |T4Code(t|
|000011b0| 36 2c 20 61 30 63 6f 6c | 6f 72 29 3b 0d 09 09 09 |6, a0col|or);....|
|000011c0| 69 66 28 72 75 6e 31 20 | 3c 20 30 29 0d 09 09 09 |if(run1 |< 0)....|
|000011d0| 09 72 65 74 75 72 6e 28 | 2d 31 29 3b 0d 09 09 09 |.return(|-1);....|
|000011e0| 72 75 6e 32 20 3d 20 54 | 34 43 6f 64 65 28 74 36 |run2 = T|4Code(t6|
|000011f0| 2c 20 21 61 30 63 6f 6c | 6f 72 29 3b 0d 09 09 09 |, !a0col|or);....|
|00001200| 69 66 28 72 75 6e 32 20 | 3c 20 30 29 0d 09 09 09 |if(run2 |< 0)....|
|00001210| 09 72 65 74 75 72 6e 28 | 2d 31 29 3b 0d 09 09 09 |.return(|-1);....|
|00001220| 62 72 65 61 6b 3b 0d 09 | 09 63 61 73 65 20 38 3a |break;..|.case 8:|
|00001230| 0d 09 09 09 2f 2a 20 30 | 30 30 31 3a 20 70 61 73 |..../* 0|001: pas|
|00001240| 73 20 6d 6f 64 65 20 2a | 2f 0d 09 09 09 54 6f 73 |s mode *|/....Tos|
|00001250| 73 42 69 74 73 28 26 28 | 74 36 2d 3e 69 6e 29 2c |sBits(&(|t6->in),|
|00001260| 20 34 29 3b 0d 09 09 09 | 72 75 6e 31 20 3d 20 62 | 4);....|run1 = b|
|00001270| 32 20 2d 20 61 30 3b 0d | 09 09 09 2f 2a 20 62 75 |2 - a0;.|.../* bu|
|00001280| 74 20 73 77 69 74 63 68 | 20 62 61 63 6b 20 74 6f |t switch| back to|
|00001290| 20 6f 72 69 67 69 6e 61 | 6c 20 63 6f 6c 6f 72 20 | origina|l color |
|000012a0| 2a 2f 0d 09 09 09 72 75 | 6e 32 20 3d 20 30 3b 0d |*/....ru|n2 = 0;.|
|000012b0| 09 09 09 62 72 65 61 6b | 3b 0d 09 09 63 61 73 65 |...break|;...case|
|000012c0| 20 30 3a 0d 09 09 09 54 | 6f 73 73 42 69 74 73 28 | 0:....T|ossBits(|
|000012d0| 26 28 74 36 2d 3e 69 6e | 29 2c 20 34 29 3b 0d 09 |&(t6->in|), 4);..|
|000012e0| 09 09 52 65 61 64 32 42 | 69 74 73 28 26 28 74 36 |..Read2B|its(&(t6|
|000012f0| 2d 3e 69 6e 29 2c 20 62 | 69 74 29 3b 0d 09 09 09 |->in), b|it);....|
|00001300| 73 77 69 74 63 68 28 62 | 69 74 29 7b 0d 09 09 09 |switch(b|it){....|
|00001310| 63 61 73 65 20 33 3a 0d | 09 09 09 09 2f 2a 20 30 |case 3:.|..../* 0|
|00001320| 30 30 30 31 31 3a 20 56 | 52 32 20 2a 2f 0d 09 09 |00011: V|R2 */...|
|00001330| 09 09 72 75 6e 31 20 3d | 20 62 31 20 2d 20 61 30 |..run1 =| b1 - a0|
|00001340| 20 2b 20 32 3b 0d 09 09 | 09 09 62 72 65 61 6b 3b | + 2;...|..break;|
|00001350| 0d 09 09 09 63 61 73 65 | 20 31 3a 0d 09 09 09 09 |....case| 1:.....|
|00001360| 2f 2a 20 30 30 30 30 31 | 30 3a 20 56 4c 32 20 2a |/* 00001|0: VL2 *|
|00001370| 2f 0d 09 09 09 09 72 75 | 6e 31 20 3d 20 62 31 20 |/.....ru|n1 = b1 |
|00001380| 2d 20 61 30 20 2d 20 32 | 3b 0d 09 09 09 09 62 72 |- a0 - 2|;.....br|
|00001390| 65 61 6b 3b 0d 09 09 09 | 63 61 73 65 20 32 3a 0d |eak;....|case 2:.|
|000013a0| 09 09 09 09 62 69 74 20 | 3d 20 54 36 42 69 74 28 |....bit |= T6Bit(|
|000013b0| 74 36 29 3b 0d 09 09 09 | 09 69 66 28 62 69 74 29 |t6);....|.if(bit)|
|000013c0| 7b 0d 09 09 09 09 09 2f | 2a 20 30 30 30 30 30 31 |{....../|* 000001|
|000013d0| 31 3a 20 56 52 33 20 2a | 2f 0d 09 09 09 09 09 72 |1: VR3 *|/......r|
|000013e0| 75 6e 31 20 3d 20 62 31 | 20 2d 20 61 30 20 2b 20 |un1 = b1| - a0 + |
|000013f0| 33 3b 0d 09 09 09 09 7d | 20 65 6c 73 65 20 7b 0d |3;.....}| else {.|
|00001400| 09 09 09 09 09 2f 2a 20 | 30 30 30 30 30 31 30 3a |...../* |0000010:|
|00001410| 20 56 4c 33 20 2a 2f 0d | 09 09 09 09 09 72 75 6e | VL3 */.|.....run|
|00001420| 31 20 3d 20 62 31 20 2d | 20 61 30 20 2d 20 33 3b |1 = b1 -| a0 - 3;|
|00001430| 0d 09 09 09 09 7d 0d 09 | 09 09 09 62 72 65 61 6b |.....}..|...break|
|00001440| 3b 0d 09 09 09 63 61 73 | 65 20 30 3a 0d 09 09 09 |;....cas|e 0:....|
|00001450| 09 2f 2a 20 30 30 30 30 | 30 30 3a 20 65 78 74 65 |./* 0000|00: exte|
|00001460| 6e 73 69 6f 6e 3f 20 2a | 2f 0d 09 09 09 09 72 65 |nsion? *|/.....re|
|00001470| 74 75 72 6e 28 2d 31 29 | 3b 0d 09 09 09 7d 0d 09 |turn(-1)|;....}..|
|00001480| 09 09 62 72 65 61 6b 3b | 0d 09 09 7d 0d 09 09 0d |..break;|...}....|
|00001490| 09 09 69 66 28 61 30 20 | 3d 3d 20 2d 31 29 0d 09 |..if(a0 |== -1)..|
|000014a0| 09 09 61 30 20 2b 3d 20 | 31 3b 0d 09 09 09 0d 09 |..a0 += |1;......|
|000014b0| 09 57 72 69 74 65 42 69 | 74 53 70 61 6e 28 26 28 |.WriteBi|tSpan(&(|
|000014c0| 74 36 2d 3e 6f 75 74 29 | 2c 20 61 30 63 6f 6c 6f |t6->out)|, a0colo|
|000014d0| 72 2c 20 72 75 6e 31 29 | 3b 0d 09 09 61 30 20 2b |r, run1)|;...a0 +|
|000014e0| 3d 20 72 75 6e 31 3b 0d | 09 09 69 66 28 6e 72 70 |= run1;.|..if(nrp|
|000014f0| 20 3e 20 30 20 26 26 20 | 72 75 6e 31 20 3d 3d 20 | > 0 && |run1 == |
|00001500| 30 29 0d 09 09 09 6e 72 | 70 20 2d 3d 20 31 3b 0d |0)....nr|p -= 1;.|
|00001510| 09 09 65 6c 73 65 0d 09 | 09 09 6e 65 78 74 72 65 |..else..|..nextre|
|00001520| 66 5b 6e 72 70 2b 2b 5d | 20 3d 20 61 30 3b 0d 09 |f[nrp++]| = a0;..|
|00001530| 09 0d 09 09 69 66 28 72 | 75 6e 32 20 21 3d 20 2d |....if(r|un2 != -|
|00001540| 31 29 7b 0d 09 09 09 57 | 72 69 74 65 42 69 74 53 |1){....W|riteBitS|
|00001550| 70 61 6e 28 26 28 74 36 | 2d 3e 6f 75 74 29 2c 20 |pan(&(t6|->out), |
|00001560| 21 61 30 63 6f 6c 6f 72 | 2c 20 72 75 6e 32 29 3b |!a0color|, run2);|
|00001570| 0d 09 09 09 61 30 20 2b | 3d 20 72 75 6e 32 3b 0d |....a0 +|= run2;.|
|00001580| 09 09 09 69 66 28 6e 72 | 70 20 3e 20 30 20 26 26 |...if(nr|p > 0 &&|
|00001590| 20 72 75 6e 32 20 3d 3d | 20 30 29 0d 09 09 09 09 | run2 ==| 0).....|
|000015a0| 6e 72 70 20 2d 3d 20 31 | 3b 0d 09 09 09 65 6c 73 |nrp -= 1|;....els|
|000015b0| 65 0d 09 09 09 09 6e 65 | 78 74 72 65 66 5b 6e 72 |e.....ne|xtref[nr|
|000015c0| 70 2b 2b 5d 20 3d 20 61 | 30 3b 0d 09 09 7d 20 65 |p++] = a|0;...} e|
|000015d0| 6c 73 65 20 7b 0d 09 09 | 09 61 30 63 6f 6c 6f 72 |lse {...|.a0color|
|000015e0| 20 3d 20 21 61 30 63 6f | 6c 6f 72 3b 0d 09 09 7d | = !a0co|lor;...}|
|000015f0| 0d 09 09 0d 09 09 2f 2a | 0d 09 09 20 2a 20 72 65 |....../*|... * re|
|00001600| 63 6f 72 64 20 74 68 65 | 20 63 68 61 6e 67 65 20 |cord the| change |
|00001610| 66 6f 72 20 74 68 65 20 | 6e 65 78 74 20 72 65 66 |for the |next ref|
|00001620| 65 72 65 6e 63 65 20 6c | 69 6e 65 2e 0d 09 09 20 |erence l|ine.... |
|00001630| 2a 20 65 6c 69 6d 69 6e | 61 74 65 20 7a 65 72 6f |* elimin|ate zero|
|00001640| 2d 77 69 64 74 68 20 72 | 75 6e 73 2e 0d 09 09 20 |-width r|uns.... |
|00001650| 2a 2f 0d 09 7d 0d 09 09 | 09 0d 09 69 66 28 61 30 |*/..}...|...if(a0|
|00001660| 20 21 3d 20 77 69 64 74 | 68 20 7c 7c 0d 09 20 20 | != widt|h ||..  |
|00001670| 20 54 65 6c 6c 42 69 74 | 73 28 26 28 74 36 2d 3e | TellBit|s(&(t6->|
|00001680| 6f 75 74 29 29 20 2d 20 | 73 61 76 65 73 74 61 72 |out)) - |savestar|
|00001690| 74 20 21 3d 20 77 69 64 | 74 68 29 7b 0d 09 09 54 |t != wid|th){...T|
|000016a0| 49 46 46 45 72 72 6f 72 | 28 74 36 2d 3e 74 69 2c |IFFError|(t6->ti,|
|000016b0| 20 2d 31 2c 20 22 5c 70 | 42 61 64 20 6c 69 6e 65 | -1, "\p|Bad line|
|000016c0| 20 6c 65 6e 67 74 68 2e | 22 29 3b 0d 09 09 72 65 | length.|");...re|
|000016d0| 74 75 72 6e 28 2d 31 29 | 3b 0d 09 7d 0d 09 09 09 |turn(-1)|;..}....|
|000016e0| 0d 09 2f 2a 20 70 61 64 | 20 6f 75 74 70 75 74 20 |../* pad| output |
|000016f0| 6c 69 6e 65 20 74 6f 20 | 61 20 66 75 6c 6c 20 62 |line to |a full b|
|00001700| 79 74 65 20 2a 2f 0d 09 | 70 6f 73 20 3d 20 54 65 |yte */..|pos = Te|
|00001710| 6c 6c 42 69 74 73 28 26 | 28 74 36 2d 3e 6f 75 74 |llBits(&|(t6->out|
|00001720| 29 29 3b 0d 09 77 68 69 | 6c 65 28 70 6f 73 20 26 |));..whi|le(pos &|
|00001730| 20 37 29 7b 0d 09 09 69 | 66 28 57 72 69 74 65 42 | 7){...i|f(WriteB|
|00001740| 69 74 73 28 26 28 74 36 | 2d 3e 6f 75 74 29 2c 20 |its(&(t6|->out), |
|00001750| 30 2c 20 31 29 20 3c 20 | 30 29 0d 09 09 09 72 65 |0, 1) < |0)....re|
|00001760| 74 75 72 6e 28 2d 31 29 | 3b 0d 09 09 70 6f 73 20 |turn(-1)|;...pos |
|00001770| 2b 3d 20 31 3b 0d 09 7d | 0d 09 09 09 0d 09 6e 65 |+= 1;..}|......ne|
|00001780| 78 74 72 65 66 5b 6e 72 | 70 2b 2b 5d 20 3d 20 77 |xtref[nr|p++] = w|
|00001790| 69 64 74 68 3b 0d 09 74 | 36 2d 3e 6e 65 78 74 72 |idth;..t|6->nextr|
|000017a0| 65 66 20 3d 20 72 65 66 | 65 72 65 6e 63 65 3b 0d |ef = ref|erence;.|
|000017b0| 09 74 36 2d 3e 72 65 66 | 65 72 65 6e 63 65 20 3d |.t6->ref|erence =|
|000017c0| 20 6e 65 78 74 72 65 66 | 3b 0d 09 0d 09 72 65 74 | nextref|;....ret|
|000017d0| 75 72 6e 28 30 29 3b 0d | 7d 0d 0d 23 69 66 20 30 |urn(0);.|}..#if 0|
|000017e0| 0d 2f 2a 0d 20 2a 20 45 | 6d 69 74 20 61 20 72 75 |./*. * E|mit a ru|
|000017f0| 6e 20 6f 66 20 70 69 78 | 65 6c 73 20 61 6c 6c 20 |n of pix|els all |
|00001800| 6f 66 20 74 68 65 20 73 | 61 6d 65 20 63 6f 6c 6f |of the s|ame colo|
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|00001820| 65 6e 67 74 68 20 74 6f | 20 61 30 2e 0d 20 2a 20 |ength to| a0.. * |
|00001830| 49 6e 76 65 72 74 20 74 | 68 65 20 61 30 20 63 6f |Invert t|he a0 co|
|00001840| 6c 6f 72 2e 20 54 68 65 | 20 66 69 72 73 74 20 72 |lor. The| first r|
|00001850| 75 6e 20 6f 6e 20 65 61 | 63 68 20 6c 69 6e 65 20 |un on ea|ch line |
|00001860| 69 73 20 66 72 6f 6d 20 | 70 6f 73 69 74 69 6f 6e |is from |position|
|00001870| 20 30 2c 20 6e 6f 74 20 | 2d 31 2c 0d 20 2a 20 65 | 0, not |-1,. * e|
|00001880| 76 65 6e 20 74 68 6f 75 | 67 68 20 61 30 20 73 74 |ven thou|gh a0 st|
|00001890| 61 72 74 73 20 6f 75 74 | 20 61 73 20 2d 31 2e 0d |arts out| as -1..|
|000018a0| 20 2a 2f 0d 4f 53 45 72 | 72 0d 54 36 45 6d 69 74 | */.OSEr|r.T6Emit|
|000018b0| 53 70 61 6e 28 54 36 49 | 6e 66 6f 20 74 36 2c 20 |Span(T6I|nfo t6, |
|000018c0| 6c 6f 6e 67 20 6c 65 6e | 67 74 68 29 0d 7b 0d 09 |long len|gth).{..|
|000018d0| 57 72 69 74 65 42 69 74 | 53 70 61 6e 28 26 28 74 |WriteBit|Span(&(t|
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|000018f0| 6f 6c 6f 72 2c 20 6c 65 | 6e 67 74 68 29 3b 0d 09 |olor, le|ngth);..|
|00001900| 09 0d 09 69 66 28 74 36 | 2d 3e 61 30 20 3d 3d 20 |...if(t6|->a0 == |
|00001910| 2d 31 29 0d 09 09 74 36 | 2d 3e 61 30 20 2b 3d 20 |-1)...t6|->a0 += |
|00001920| 31 3b 0d 09 74 36 2d 3e | 61 30 20 2b 3d 20 6c 65 |1;..t6->|a0 += le|
|00001930| 6e 67 74 68 3b 0d 09 74 | 36 2d 3e 61 30 63 6f 6c |ngth;..t|6->a0col|
|00001940| 6f 72 20 3d 20 21 74 36 | 2d 3e 61 30 63 6f 6c 6f |or = !t6|->a0colo|
|00001950| 72 3b 0d 09 0d 09 2f 2a | 0d 09 20 2a 20 72 65 63 |r;..../*|.. * rec|
|00001960| 6f 72 64 20 74 68 65 20 | 63 68 61 6e 67 65 20 66 |ord the |change f|
|00001970| 6f 72 20 74 68 65 20 6e | 65 78 74 20 72 65 66 65 |or the n|ext refe|
|00001980| 72 65 6e 63 65 20 6c 69 | 6e 65 2e 0d 09 20 2a 20 |rence li|ne... * |
|00001990| 65 6c 69 6d 69 6e 61 74 | 65 20 7a 65 72 6f 2d 77 |eliminat|e zero-w|
|000019a0| 69 64 74 68 20 72 75 6e | 73 2e 0d 09 20 2a 2f 0d |idth run|s... */.|
|000019b0| 09 69 66 28 74 36 2d 3e | 6e 72 70 20 3e 20 30 20 |.if(t6->|nrp > 0 |
|000019c0| 26 26 20 6c 65 6e 67 74 | 68 20 3d 3d 20 30 29 0d |&& lengt|h == 0).|
|000019d0| 09 09 74 36 2d 3e 6e 72 | 70 20 2d 3d 20 31 3b 0d |..t6->nr|p -= 1;.|
|000019e0| 09 65 6c 73 65 0d 09 09 | 74 36 2d 3e 6e 65 78 74 |.else...|t6->next|
|000019f0| 72 65 66 5b 74 36 2d 3e | 6e 72 70 2b 2b 5d 20 3d |ref[t6->|nrp++] =|
|00001a00| 20 74 36 2d 3e 61 30 3b | 0d 09 0d 23 69 66 20 30 | t6->a0;|...#if 0|
|00001a10| 0d 09 69 66 28 28 74 36 | 2d 3e 6e 72 70 20 26 20 |..if((t6|->nrp & |
|00001a20| 31 29 20 21 3d 20 74 36 | 2d 3e 61 30 63 6f 6c 6f |1) != t6|->a0colo|
|00001a30| 72 29 0d 09 09 72 65 74 | 75 72 6e 28 2d 31 29 3b |r)...ret|urn(-1);|
|00001a40| 0d 23 65 6e 64 69 66 0d | 0d 23 69 66 20 30 0d 09 |.#endif.|.#if 0..|
|00001a50| 69 66 28 28 74 36 2d 3e | 61 30 20 25 20 74 36 2d |if((t6->|a0 % t6-|
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|00001e90| 09 09 2a 62 32 20 3d 20 | 72 65 66 65 72 65 6e 63 |..*b2 = |referenc|
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|00001eb0| 09 2a 62 32 20 3d 20 74 | 36 2d 3e 74 69 2d 3e 69 |.*b2 = t|6->ti->i|
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|00001f40| 66 28 74 36 2d 3e 61 30 | 20 3d 3d 20 2d 31 29 7b |f(t6->a0| == -1){|
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+--------+-------------------------+-------------------------+--------+--------+