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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 63 6f 6d 70 |Newsgrou|ps: comp|
|00000010| 2e 73 6f 75 72 63 65 73 | 2e 6d 69 73 63 0a 6f 72 |.sources|.misc.or|
|00000020| 67 61 6e 69 7a 61 74 69 | 6f 6e 3a 20 44 65 6c 66 |ganizati|on: Delf|
|00000030| 74 20 55 6e 69 76 65 72 | 73 69 74 79 20 6f 66 20 |t Univer|sity of |
|00000040| 54 65 63 68 6e 6f 6c 6f | 67 79 2c 20 44 65 70 2e |Technolo|gy, Dep.|
|00000050| 20 6f 66 20 45 6c 65 63 | 74 72 6f 74 65 63 68 6e | of Elec|trotechn|
|00000060| 69 63 61 6c 20 65 6e 67 | 69 6e 65 65 72 69 6e 67 |ical eng|ineering|
|00000070| 2e 0a 73 75 62 6a 65 63 | 74 3a 20 76 30 38 69 30 |..subjec|t: v08i0|
|00000080| 33 34 3a 20 47 49 46 20 | 76 69 65 77 65 72 73 20 |34: GIF |viewers |
|00000090| 66 6f 72 20 53 55 4e 0a | 66 72 6f 6d 3a 20 61 6c |for SUN.|from: al|
|000000a0| 6c 62 65 72 79 40 75 75 | 6e 65 74 2e 55 55 2e 4e |lbery@uu|net.UU.N|
|000000b0| 45 54 20 28 42 72 61 6e | 64 6f 6e 20 53 2e 20 41 |ET (Bran|don S. A|
|000000c0| 6c 6c 62 65 72 79 20 2d | 20 63 6f 6d 70 2e 73 6f |llbery -| comp.so|
|000000d0| 75 72 63 65 73 2e 6d 69 | 73 63 29 0a 52 65 70 6c |urces.mi|sc).Repl|
|000000e0| 79 2d 54 6f 3a 20 6d 61 | 72 63 65 6c 40 64 75 74 |y-To: ma|rcel@dut|
|000000f0| 65 63 61 2e 74 75 64 65 | 6c 66 74 2e 6e 6c 20 28 |eca.tude|lft.nl (|
|00000100| 4d 61 72 63 65 6c 20 4d | 6f 6c 29 0a 0a 50 6f 73 |Marcel M|ol)..Pos|
|00000110| 74 69 6e 67 2d 6e 75 6d | 62 65 72 3a 20 56 6f 6c |ting-num|ber: Vol|
|00000120| 75 6d 65 20 38 2c 20 49 | 73 73 75 65 20 33 34 0a |ume 8, I|ssue 34.|
|00000130| 53 75 62 6d 69 74 74 65 | 64 2d 62 79 3a 20 6d 61 |Submitte|d-by: ma|
|00000140| 72 63 65 6c 40 64 75 74 | 65 63 61 2e 74 75 64 65 |rcel@dut|eca.tude|
|00000150| 6c 66 74 2e 6e 6c 20 28 | 4d 61 72 63 65 6c 20 4d |lft.nl (|Marcel M|
|00000160| 6f 6c 29 0a 41 72 63 68 | 69 76 65 2d 6e 61 6d 65 |ol).Arch|ive-name|
|00000170| 3a 20 67 69 66 5f 73 75 | 6e 0a 0a 48 45 72 65 20 |: gif_su|n..HEre |
|00000180| 61 72 65 20 61 20 66 65 | 77 20 67 69 66 20 70 72 |are a fe|w gif pr|
|00000190| 6f 67 72 61 6d 73 20 69 | 6e 74 65 6e 64 65 64 20 |ograms i|ntended |
|000001a0| 66 6f 72 20 74 68 65 20 | 53 55 4e 2e 0a 4f 6e 65 |for the |SUN..One|
|000001b0| 20 63 6f 6e 76 65 72 74 | 73 20 66 72 6f 6d 20 47 | convert|s from G|
|000001c0| 49 46 20 74 6f 20 72 61 | 73 74 65 72 66 69 6c 65 |IF to ra|sterfile|
|000001d0| 73 2c 20 6f 6e 65 20 6d | 75 73 74 20 62 65 20 75 |s, one m|ust be u|
|000001e0| 73 65 64 20 77 69 74 68 | 20 73 75 6e 76 69 65 77 |sed with| sunview|
|000001f0| 20 0a 28 6f 72 20 73 75 | 6e 74 6f 6f 6c 73 29 2c | .(or su|ntools),|
|00000200| 20 61 6e 64 20 74 68 65 | 20 74 68 69 72 64 20 6a | and the| third j|
|00000210| 75 73 74 20 75 73 65 73 | 20 74 68 65 20 63 6f 6e |ust uses| the con|
|00000220| 73 6f 6c 65 20 73 63 65 | 65 6e 20 28 6d 79 20 65 |sole sce|en (my e|
|00000230| 78 70 65 72 69 65 6e 63 | 65 0a 69 73 20 74 68 61 |xperienc|e.is tha|
|00000240| 74 20 79 6f 75 20 77 69 | 6c 6c 20 6e 6f 74 20 73 |t you wi|ll not s|
|00000250| 65 65 20 61 6e 79 74 68 | 69 6e 67 20 69 66 20 79 |ee anyth|ing if y|
|00000260| 6f 75 20 75 73 65 20 74 | 68 61 74 20 74 68 69 72 |ou use t|hat thir|
|00000270| 64 20 70 72 6f 67 72 61 | 6d 20 77 69 74 68 20 73 |d progra|m with s|
|00000280| 75 6e 76 69 65 77 0a 72 | 75 6e 6e 69 6e 67 2e 29 |unview.r|unning.)|
|00000290| 0a 54 68 65 72 65 20 69 | 73 20 61 6c 73 6f 20 61 |.There i|s also a|
|000002a0| 20 70 72 6f 67 72 61 6d | 20 74 68 61 74 20 6a 75 | program| that ju|
|000002b0| 73 74 20 73 68 6f 77 20 | 73 6f 6d 65 20 69 6e 66 |st show |some inf|
|000002c0| 6f 20 6f 66 20 74 68 65 | 20 67 69 66 20 66 69 6c |o of the| gif fil|
|000002d0| 65 20 62 75 74 20 64 6f | 65 73 20 6e 6f 74 20 0a |e but do|es not .|
|000002e0| 64 69 73 70 6c 61 79 20 | 69 74 2e 0a 0a 2d 4d 41 |display |it...-MA|
|000002f0| 72 63 65 6c 0a 0a 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |rcel..==|========|
|00000300| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 43 55 54 |========|=====CUT|
|00000310| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000320| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000330| 3d 0a 23 21 2f 62 69 6e | 2f 73 68 0a 23 20 54 68 |=.#!/bin|/sh.# Th|
|00000340| 69 73 20 69 73 20 61 20 | 73 68 65 6c 6c 20 61 72 |is is a |shell ar|
|00000350| 63 68 69 76 65 2c 20 6d | 65 61 6e 69 6e 67 3a 0a |chive, m|eaning:.|
|00000360| 23 20 31 2e 20 52 65 6d | 6f 76 65 20 65 76 65 72 |# 1. Rem|ove ever|
|00000370| 79 74 68 69 6e 67 20 61 | 62 6f 76 65 20 74 68 65 |ything a|bove the|
|00000380| 20 23 21 2f 62 69 6e 2f | 73 68 20 6c 69 6e 65 2e | #!/bin/|sh line.|
|00000390| 0a 23 20 32 2e 20 53 61 | 76 65 20 74 68 65 20 72 |.# 2. Sa|ve the r|
|000003a0| 65 73 75 6c 74 69 6e 67 | 20 74 65 78 74 20 69 6e |esulting| text in|
|000003b0| 20 61 20 66 69 6c 65 2e | 0a 23 20 33 2e 20 45 78 | a file.|.# 3. Ex|
|000003c0| 65 63 75 74 65 20 74 68 | 65 20 66 69 6c 65 20 77 |ecute th|e file w|
|000003d0| 69 74 68 20 2f 62 69 6e | 2f 73 68 20 28 6e 6f 74 |ith /bin|/sh (not|
|000003e0| 20 63 73 68 29 20 74 6f | 20 63 72 65 61 74 65 20 | csh) to| create |
|000003f0| 74 68 65 20 66 69 6c 65 | 73 3a 0a 23 09 20 67 69 |the file|s:.#. gi|
|00000400| 66 32 72 2e 63 20 09 20 | 20 20 31 36 35 31 30 09 |f2r.c . |  16510.|
|00000410| 62 79 74 65 73 0a 23 09 | 20 67 69 66 32 72 61 73 |bytes.#.| gif2ras|
|00000420| 2e 63 20 09 20 20 20 31 | 32 34 30 35 09 62 79 74 |.c .   1|2405.byt|
|00000430| 65 73 0a 23 09 20 67 69 | 66 32 73 75 6e 2e 63 20 |es.#. gi|f2sun.c |
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|00000450| 23 09 20 67 69 66 69 6e | 66 6f 2e 63 20 09 20 20 |#. gifin|fo.c .  |
|00000460| 20 31 30 34 37 31 09 62 | 79 74 65 73 0a 23 20 54 | 10471.b|ytes.# T|
|00000470| 68 69 73 20 61 72 63 68 | 69 76 65 20 63 72 65 61 |his arch|ive crea|
|00000480| 74 65 64 3a 20 20 46 72 | 69 20 53 65 70 20 20 38 |ted:  Fr|i Sep  8|
|00000490| 20 30 30 3a 32 32 3a 33 | 34 20 4d 45 54 20 31 39 | 00:22:3|4 MET 19|
|000004a0| 38 39 0a 23 20 42 79 3a | 09 20 4d 61 72 63 65 6c |89.# By:|. Marcel|
|000004b0| 20 4a 2e 45 2e 20 4d 6f | 6c 0a 65 78 70 6f 72 74 | J.E. Mo|l.export|
|000004c0| 20 50 41 54 48 0a 65 63 | 68 6f 20 73 68 61 72 3a | PATH.ec|ho shar:|
|000004d0| 20 65 78 74 72 61 63 74 | 69 6e 67 20 67 69 66 32 | extract|ing gif2|
|000004e0| 72 2e 63 0a 69 66 20 74 | 65 73 74 20 2d 66 20 27 |r.c.if t|est -f '|
|000004f0| 67 69 66 32 72 2e 63 27 | 0a 74 68 65 6e 0a 09 65 |gif2r.c'|.then..e|
|00000500| 63 68 6f 20 73 68 61 72 | 3a 20 6f 76 65 72 2d 77 |cho shar|: over-w|
|00000510| 72 69 74 69 6e 67 20 65 | 78 69 73 74 69 6e 67 20 |riting e|xisting |
|00000520| 66 69 6c 65 20 22 27 67 | 69 66 32 72 2e 63 27 22 |file "'g|if2r.c'"|
|00000530| 0a 66 69 0a 73 65 64 20 | 2d 65 20 27 73 2f 5e 2d |.fi.sed |-e 's/^-|
|00000540| 2f 2f 27 20 3c 3c 20 5c | 5f 45 5f 4f 5f 46 5f 20 |//' << \|_E_O_F_ |
|00000550| 3e 20 67 69 66 32 72 2e | 63 0a 2d 2f 2a 2a 2a 2a |> gif2r.|c.-/****|
|00000560| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000570| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000580| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 0a 2d 20 2a 20 20 20 |********|*.- *   |
|00000590| 20 20 20 20 20 20 20 20 | 20 20 47 49 46 20 74 6f |        |  GIF to|
|000005a0| 20 53 55 4e 20 63 6f 6c | 6f 72 20 73 63 72 65 65 | SUN col|or scree|
|000005b0| 6e 20 20 20 20 20 20 20 | 2a 0a 2d 20 2a 20 20 20 |n       |*.- *   |
|000005c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000005d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000005e0| 20 20 20 20 20 20 20 20 | 2a 0a 2d 20 2a 20 20 20 |        |*.- *   |
|000005f0| 20 20 20 4d 61 72 63 68 | 20 32 33 20 31 39 38 39 |   March| 23 1989|
|00000600| 20 42 79 20 4d 61 72 63 | 65 6c 20 4a 2e 45 2e 20 | By Marc|el J.E. |
|00000610| 4d 6f 6c 20 20 20 20 20 | 2a 0a 2d 20 2a 20 20 20 |Mol     |*.- *   |
|00000620| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000630| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000640| 20 20 20 20 20 20 20 20 | 2a 0a 2d 20 2a 20 49 20 |        |*.- * I |
|00000650| 68 65 72 65 62 79 20 70 | 6c 61 63 65 20 74 68 69 |hereby p|lace thi|
|00000660| 73 20 70 72 6f 67 72 61 | 6d 20 20 20 20 20 20 20 |s progra|m       |
|00000670| 20 20 20 20 20 20 20 20 | 2a 0a 2d 20 2a 20 69 6e |        |*.- * in|
|00000680| 20 74 68 65 20 70 75 62 | 6c 69 63 20 64 6f 6d 61 | the pub|lic doma|
|00000690| 69 6e 2c 20 69 2e 65 2e | 20 74 68 65 72 65 20 61 |in, i.e.| there a|
|000006a0| 72 65 20 6e 6f 20 20 20 | 2a 0a 2d 20 2a 20 63 6f |re no   |*.- * co|
|000006b0| 70 79 69 6e 67 20 72 65 | 73 74 72 69 63 74 69 6f |pying re|strictio|
|000006c0| 6e 73 20 6f 66 20 61 6e | 79 20 6b 69 6e 64 2e 20 |ns of an|y kind. |
|000006d0| 20 20 20 20 20 20 20 20 | 2a 0a 2d 20 2a 2a 2a 2a |        |*.- ****|
|000006e0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000006f0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000700| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2f 0a 2d 0a 2d 2f 2a |********|*/.-.-/*|
|00000710| 20 0a 2d 20 2a 20 55 73 | 61 67 65 3a 0a 2d 20 2a | .- * Us|age:.- *|
|00000720| 20 20 20 20 20 20 20 20 | 67 69 66 32 72 20 2d 73 |        |gif2r -s|
|00000730| 3c 6e 75 6d 3e 20 2d 76 | 20 2d 64 20 3c 67 69 66 |<num> -v| -d <gif|
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|00000750| 43 6f 6d 70 69 6c 65 3a | 0a 2d 20 2a 20 20 20 20 |Compile:|.- *    |
|00000760| 20 20 20 20 20 20 63 63 | 20 67 69 66 32 72 2e 63 |      cc| gif2r.c|
|00000770| 20 2d 6f 20 67 69 66 32 | 72 20 2d 6c 70 69 78 72 | -o gif2|r -lpixr|
|00000780| 65 63 74 0a 2d 20 2a 20 | 0a 2d 20 2a 2f 20 0a 2d |ect.- * |.- */ .-|
|00000790| 0a 2d 0a 2d 23 69 6e 63 | 6c 75 64 65 20 3c 73 74 |.-.-#inc|lude <st|
|000007a0| 64 69 6f 2e 68 3e 0a 2d | 23 69 6e 63 6c 75 64 65 |dio.h>.-|#include|
|000007b0| 20 3c 73 79 73 2f 66 69 | 6c 65 2e 68 3e 0a 2d 23 | <sys/fi|le.h>.-#|
|000007c0| 69 6e 63 6c 75 64 65 20 | 3c 73 69 67 6e 61 6c 2e |include |<signal.|
|000007d0| 68 3e 0a 2d 23 69 6e 63 | 6c 75 64 65 20 3c 73 79 |h>.-#inc|lude <sy|
|000007e0| 73 2f 74 79 70 65 73 2e | 68 3e 0a 2d 23 69 6e 63 |s/types.|h>.-#inc|
|000007f0| 6c 75 64 65 20 3c 70 69 | 78 72 65 63 74 2f 70 69 |lude <pi|xrect/pi|
|00000800| 78 72 65 63 74 5f 68 73 | 2e 68 3e 0a 2d 0a 2d 0a |xrect_hs|.h>.-.-.|
|00000810| 2d 23 64 65 66 69 6e 65 | 20 46 41 4c 53 45 20 30 |-#define| FALSE 0|
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|00000830| 0a 2d 23 64 65 66 69 6e | 65 20 43 4f 4c 53 49 5a |.-#defin|e COLSIZ|
|00000840| 45 20 32 35 36 0a 2d 23 | 64 65 66 69 6e 65 20 50 |E 256.-#|define P|
|00000850| 49 43 53 49 5a 45 20 30 | 3b 20 20 20 20 20 20 20 |ICSIZE 0|;       |
|00000860| 20 20 20 20 20 20 20 20 | 2f 2a 20 49 6e 69 74 69 |        |/* Initi|
|00000870| 6c 61 20 73 63 61 6c 69 | 6e 67 20 66 61 63 74 6f |la scali|ng facto|
|00000880| 72 3a 20 30 20 3d 20 61 | 75 74 6f 73 63 61 6c 65 |r: 0 = a|utoscale|
|00000890| 20 2a 2f 0a 2d 0a 2d 0a | 2d 0a 2d 69 6e 74 20 20 | */.-.-.|-.-int  |
|000008a0| 20 20 20 20 20 20 6d 61 | 69 6e 28 29 3b 0a 2d 76 |      ma|in();.-v|
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|000008c0| 74 28 29 3b 0a 2d 69 6e | 74 20 20 20 20 20 20 20 |t();.-in|t       |
|000008d0| 20 63 68 65 63 6b 73 69 | 67 6e 61 74 75 72 65 28 | checksi|gnature(|
|000008e0| 29 3b 0a 2d 76 6f 69 64 | 20 20 20 20 20 20 20 72 |);.-void|       r|
|000008f0| 65 61 64 73 63 72 65 65 | 6e 28 29 3b 0a 2d 69 6e |eadscree|n();.-in|
|00000900| 74 20 20 20 20 20 20 20 | 20 72 65 61 64 69 6d 61 |t       | readima|
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|00000940| 65 61 64 72 61 73 74 65 | 72 28 29 3b 0a 2d 69 6e |eadraste|r();.-in|
|00000950| 74 20 20 20 20 20 20 20 | 20 75 6e 63 6f 6d 70 72 |t       | uncompr|
|00000960| 65 73 73 28 29 3b 0a 2d | 76 6f 69 64 20 20 20 20 |ess();.-|void    |
|00000970| 20 20 20 69 6e 69 74 63 | 6f 6c 6f 72 73 28 29 3b |   initc|olors();|
|00000980| 0a 2d 69 6e 74 20 20 20 | 20 20 20 20 20 72 61 73 |.-int   |     ras|
|00000990| 74 65 72 69 7a 65 28 29 | 3b 0a 2d 76 6f 69 64 20 |terize()|;.-void |
|000009a0| 20 20 20 20 20 20 75 73 | 61 67 65 28 29 3b 0a 2d |      us|age();.-|
|000009b0| 50 69 78 72 65 63 74 20 | 20 2a 20 66 69 6e 64 5f |Pixrect | * find_|
|000009c0| 73 63 72 65 65 6e 28 29 | 3b 0a 2d 50 69 78 72 65 |screen()|;.-Pixre|
|000009d0| 63 74 20 20 2a 20 6d 79 | 5f 70 72 5f 6f 70 65 6e |ct  * my|_pr_open|
|000009e0| 28 29 3b 0a 2d 69 6e 74 | 20 20 20 20 20 20 20 20 |();.-int|        |
|000009f0| 74 65 72 6d 69 6e 61 74 | 65 28 29 3b 0a 2d 63 68 |terminat|e();.-ch|
|00000a00| 61 72 20 20 20 20 20 2a | 20 6d 61 6c 6c 6f 63 28 |ar     *| malloc(|
|00000a10| 29 3b 0a 2d 69 6e 74 20 | 20 20 20 20 20 20 20 73 |);.-int |       s|
|00000a20| 74 72 6e 63 6d 70 28 29 | 3b 0a 2d 0a 2d 0a 2d 74 |trncmp()|;.-.-.-t|
|00000a30| 79 70 65 64 65 66 20 69 | 6e 74 20 62 6f 6f 6c 3b |ypedef i|nt bool;|
|00000a40| 0a 2d 0a 2d 2f 2a 20 0a | 2d 20 2a 20 73 75 6e 20 |.-.-/* .|- * sun |
|00000a50| 73 63 72 65 65 6e 20 64 | 61 74 61 0a 2d 20 2a 2f |screen d|ata.- */|
|00000a60| 0a 2d 75 6e 73 69 67 6e | 65 64 20 63 68 61 72 20 |.-unsign|ed char |
|00000a70| 6f 6c 64 72 65 64 5b 43 | 4f 4c 53 49 5a 45 5d 2c |oldred[C|OLSIZE],|
|00000a80| 20 6f 6c 64 67 72 65 65 | 6e 5b 43 4f 4c 53 49 5a | oldgree|n[COLSIZ|
|00000a90| 45 5d 2c 20 6f 6c 64 62 | 6c 75 65 5b 43 4f 4c 53 |E], oldb|lue[COLS|
|00000aa0| 49 5a 45 5d 3b 0a 2d 69 | 6e 74 20 6f 6c 64 70 6c |IZE];.-i|nt oldpl|
|00000ab0| 61 6e 65 73 3b 0a 2d 50 | 69 78 72 65 63 74 20 2a |anes;.-P|ixrect *|
|00000ac0| 64 69 73 70 5f 70 72 3b | 0a 2d 23 64 65 66 69 6e |disp_pr;|.-#defin|
|00000ad0| 65 20 4d 41 58 47 52 4f | 55 50 53 20 31 30 0a 2d |e MAXGRO|UPS 10.-|
|00000ae0| 63 68 61 72 20 67 72 6f | 75 70 73 5b 4d 41 58 47 |char gro|ups[MAXG|
|00000af0| 52 4f 55 50 53 5d 3b 0a | 2d 69 6e 74 20 70 77 69 |ROUPS];.|-int pwi|
|00000b00| 64 74 68 2c 20 70 68 65 | 69 67 68 74 3b 0a 2d 0a |dth, phe|ight;.-.|
|00000b10| 2d 2f 2a 0a 2d 20 2a 20 | 4c 5a 57 20 73 74 72 75 |-/*.- * |LZW stru|
|00000b20| 63 74 75 72 65 73 20 61 | 6e 64 20 76 61 72 69 61 |ctures a|nd varia|
|00000b30| 62 6c 65 73 0a 2d 20 2a | 2f 0a 2d 75 6e 73 69 67 |bles.- *|/.-unsig|
|00000b40| 6e 65 64 20 69 6e 74 20 | 70 72 65 66 69 78 5b 34 |ned int |prefix[4|
|00000b50| 30 39 36 5d 3b 0a 2d 75 | 6e 73 69 67 6e 65 64 20 |096];.-u|nsigned |
|00000b60| 63 68 61 72 20 73 75 66 | 66 69 78 5b 34 30 39 36 |char suf|fix[4096|
|00000b70| 5d 3b 0a 2d 75 6e 73 69 | 67 6e 65 64 20 63 68 61 |];.-unsi|gned cha|
|00000b80| 72 20 73 74 61 63 6b 5b | 34 30 39 36 5d 3b 0a 2d |r stack[|4096];.-|
|00000b90| 69 6e 74 20 64 61 74 61 | 73 69 7a 65 2c 63 6f 64 |int data|size,cod|
|00000ba0| 65 73 69 7a 65 2c 63 6f | 64 65 6d 61 73 6b 3b 20 |esize,co|demask; |
|00000bb0| 20 20 20 20 2f 2a 20 44 | 65 63 6f 64 65 72 20 77 |    /* D|ecoder w|
|00000bc0| 6f 72 6b 69 6e 67 20 76 | 61 72 69 61 62 6c 65 73 |orking v|ariables|
|00000bd0| 20 2a 2f 0a 2d 69 6e 74 | 20 63 6c 65 61 72 2c 65 | */.-int| clear,e|
|00000be0| 6f 69 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |oi;     |        |
|00000bf0| 20 20 20 20 20 20 20 20 | 20 2f 2a 20 53 70 65 63 |        | /* Spec|
|00000c00| 69 61 6c 20 63 6f 64 65 | 20 76 61 6c 75 65 73 20 |ial code| values |
|00000c10| 2a 2f 0a 2d 69 6e 74 20 | 61 76 61 69 6c 3b 0a 2d |*/.-int |avail;.-|
|00000c20| 69 6e 74 20 6f 6c 64 63 | 6f 64 65 3b 0a 2d 0a 2d |int oldc|ode;.-.-|
|00000c30| 2f 2a 0a 2d 20 2a 20 47 | 49 46 20 76 61 72 69 61 |/*.- * G|IF varia|
|00000c40| 62 6c 65 73 0a 2d 20 2a | 2f 0a 2d 46 49 4c 45 20 |bles.- *|/.-FILE |
|00000c50| 2a 69 6e 66 69 6c 65 3b | 0a 2d 75 6e 73 69 67 6e |*infile;|.-unsign|
|00000c60| 65 64 20 69 6e 74 20 73 | 63 72 65 65 6e 77 69 64 |ed int s|creenwid|
|00000c70| 74 68 3b 20 20 20 20 20 | 20 20 20 20 20 20 2f 2a |th;     |      /*|
|00000c80| 20 54 68 65 20 64 69 6d | 65 6e 73 69 6f 6e 73 20 | The dim|ensions |
|00000c90| 6f 66 20 74 68 65 20 73 | 63 72 65 65 6e 20 2a 2f |of the s|creen */|
|00000ca0| 0a 2d 75 6e 73 69 67 6e | 65 64 20 69 6e 74 20 73 |.-unsign|ed int s|
|00000cb0| 63 72 65 65 6e 68 65 69 | 67 68 74 3b 20 20 20 20 |creenhei|ght;    |
|00000cc0| 20 20 20 20 20 20 2f 2a | 20 20 20 28 6e 6f 74 20 |      /*|   (not |
|00000cd0| 74 68 6f 73 65 20 6f 66 | 20 74 68 65 20 69 6d 61 |those of| the ima|
|00000ce0| 67 65 29 20 20 20 2a 2f | 0a 2d 62 6f 6f 6c 20 67 |ge)   */|.-bool g|
|00000cf0| 6c 6f 62 61 6c 3b 20 20 | 20 20 20 20 20 20 20 20 |lobal;  |        |
|00000d00| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2a |        |      /*|
|00000d10| 20 49 73 20 74 68 65 72 | 65 20 61 20 67 6c 6f 62 | Is ther|e a glob|
|00000d20| 61 6c 20 63 6f 6c 6f 72 | 20 6d 61 70 3f 20 2a 2f |al color| map? */|
|00000d30| 0a 2d 69 6e 74 20 67 6c | 6f 62 61 6c 62 69 74 73 |.-int gl|obalbits|
|00000d40| 3b 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;       |        |
|00000d50| 20 20 20 20 20 20 2f 2a | 20 4e 75 6d 62 65 72 20 |      /*| Number |
|00000d60| 6f 66 20 62 69 74 73 20 | 6f 66 20 67 6c 6f 62 61 |of bits |of globa|
|00000d70| 6c 20 63 6f 6c 6f 72 73 | 20 2a 2f 0a 2d 62 6f 6f |l colors| */.-boo|
|00000d80| 6c 20 6c 6f 63 61 6c 3b | 20 20 20 20 20 20 20 20 |l local;|        |
|00000d90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000da0| 20 2f 2a 20 49 73 20 74 | 68 65 72 65 20 61 20 6c | /* Is t|here a l|
|00000db0| 6f 63 61 6c 20 63 6f 6c | 6f 72 20 6d 61 70 3f 20 |ocal col|or map? |
|00000dc0| 2a 2f 0a 2d 69 6e 74 20 | 6c 6f 63 61 6c 62 69 74 |*/.-int |localbit|
|00000dd0| 73 3b 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |s;      |        |
|00000de0| 20 20 20 20 20 20 20 20 | 2f 2a 20 4e 75 6d 62 65 |        |/* Numbe|
|00000df0| 72 20 6f 66 20 62 69 74 | 73 20 6f 66 20 6c 6f 63 |r of bit|s of loc|
|00000e00| 61 6c 20 63 6f 6c 6f 72 | 73 20 2a 2f 0a 2d 62 6f |al color|s */.-bo|
|00000e10| 6f 6c 20 69 6e 74 65 72 | 6c 65 61 76 65 64 3b 20 |ol inter|leaved; |
|00000e20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000e30| 20 20 2f 2a 20 67 69 66 | 20 64 61 74 61 20 69 6e |  /* gif| data in|
|00000e40| 74 65 72 6c 65 61 76 65 | 64 20 3f 20 2a 2f 0a 2d |terleave|d ? */.-|
|00000e50| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 67 6c |unsigned| char gl|
|00000e60| 6f 62 61 6c 6d 61 70 5b | 43 4f 4c 53 49 5a 45 5d |obalmap[|COLSIZE]|
|00000e70| 5b 33 5d 3b 2f 2a 20 52 | 47 42 20 76 61 6c 75 65 |[3];/* R|GB value|
|00000e80| 73 20 66 6f 72 20 67 6c | 6f 62 61 6c 20 63 6f 6c |s for gl|obal col|
|00000e90| 6f 72 20 6d 61 70 20 2a | 2f 0a 2d 75 6e 73 69 67 |or map *|/.-unsig|
|00000ea0| 6e 65 64 20 63 68 61 72 | 20 6c 6f 63 61 6c 6d 61 |ned char| localma|
|00000eb0| 70 5b 43 4f 4c 53 49 5a | 45 5d 5b 33 5d 3b 0a 2d |p[COLSIZ|E][3];.-|
|00000ec0| 63 68 61 72 20 62 67 63 | 6f 6c 6f 72 3b 20 20 20 |char bgc|olor;   |
|00000ed0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000ee0| 20 20 20 20 2f 2a 20 62 | 61 63 6b 67 72 6f 75 6e |    /* b|ackgroun|
|00000ef0| 64 20 63 6f 6c 6f 72 20 | 2a 2f 0a 2d 75 6e 73 69 |d color |*/.-unsi|
|00000f00| 67 6e 65 64 20 63 68 61 | 72 20 2a 72 61 73 74 65 |gned cha|r *raste|
|00000f10| 72 3b 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |r;      |        |
|00000f20| 2f 2a 20 44 65 63 6f 64 | 65 64 20 69 6d 61 67 65 |/* Decod|ed image|
|00000f30| 20 64 61 74 61 20 2a 2f | 0a 2d 75 6e 73 69 67 6e | data */|.-unsign|
|00000f40| 65 64 20 6c 65 66 74 2c | 74 6f 70 2c 77 69 64 74 |ed left,|top,widt|
|00000f50| 68 2c 68 65 69 67 68 74 | 3b 20 20 20 20 20 2f 2a |h,height|;     /*|
|00000f60| 20 69 6d 61 67 65 20 64 | 69 6d 65 6e 73 69 6f 6e | image d|imension|
|00000f70| 73 20 2a 2f 0a 2d 0a 2d | 2f 2a 0a 2d 20 2a 20 67 |s */.-.-|/*.- * g|
|00000f80| 65 6e 65 72 61 6c 20 76 | 61 72 69 61 62 6c 65 73 |eneral v|ariables|
|00000f90| 0a 2d 20 2a 2f 0a 2d 63 | 68 61 72 20 2a 70 72 6f |.- */.-c|har *pro|
|00000fa0| 67 6e 61 6d 65 3b 20 20 | 20 20 20 20 20 20 20 20 |gname;  |        |
|00000fb0| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2a 20 70 72 |        |   /* pr|
|00000fc0| 6f 67 72 61 6d 20 6e 61 | 6d 65 20 2a 2f 0a 2d 63 |ogram na|me */.-c|
|00000fd0| 68 61 72 20 2a 66 69 6c | 65 6e 61 6d 65 3b 20 20 |har *fil|ename;  |
|00000fe0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000ff0| 20 20 20 2f 2a 20 63 75 | 72 72 65 6e 74 20 67 69 |   /* cu|rrent gi|
|00001000| 66 20 66 69 6c 65 20 6e | 61 6d 65 20 2a 2f 0a 2d |f file n|ame */.-|
|00001010| 69 6e 74 20 69 6e 69 74 | 73 69 7a 65 20 3d 20 50 |int init|size = P|
|00001020| 49 43 53 49 5a 45 3b 20 | 20 20 20 20 20 20 20 20 |ICSIZE; |        |
|00001030| 20 20 20 20 2f 2a 20 69 | 6e 69 74 69 61 6c 20 73 |    /* i|nitial s|
|00001040| 63 61 6c 65 20 66 61 63 | 74 6f 72 20 2a 2f 0a 2d |cale fac|tor */.-|
|00001050| 69 6e 74 20 77 61 69 74 | 20 3d 20 30 3b 20 20 20 |int wait| = 0;   |
|00001060| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001070| 20 20 20 20 2f 2a 20 67 | 65 74 20 69 6e 70 75 74 |    /* g|et input|
|00001080| 20 62 65 66 6f 72 65 20 | 64 69 73 70 6c 61 79 20 | before |display |
|00001090| 2a 2f 0a 2d 69 6e 74 20 | 76 65 72 62 6f 73 65 20 |*/.-int |verbose |
|000010a0| 3d 20 30 3b 20 20 20 20 | 20 20 20 20 20 20 20 20 |= 0;    |        |
|000010b0| 20 20 20 20 20 20 20 20 | 2f 2a 20 64 69 73 70 6c |        |/* displ|
|000010c0| 61 79 20 69 6e 66 6f 20 | 6f 6e 20 70 69 63 74 75 |ay info |on pictu|
|000010d0| 72 65 20 2a 2f 0a 2d 69 | 6e 74 20 64 65 62 75 67 |re */.-i|nt debug|
|000010e0| 20 3d 20 30 3b 20 20 20 | 20 20 20 20 20 20 20 20 | = 0;   |        |
|000010f0| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2a 20 64 69 |        |   /* di|
|00001100| 73 70 6c 61 79 20 6d 6f | 72 65 20 69 6e 66 6f 2c |splay mo|re info,|
|00001110| 20 73 65 74 73 20 76 65 | 72 62 6f 73 65 20 2a 2f | sets ve|rbose */|
|00001120| 0a 2d 0a 2d 0a 2d 0a 2d | 0a 2d 6d 61 69 6e 28 61 |.-.-.-.-|.-main(a|
|00001130| 72 67 63 2c 61 72 67 76 | 29 0a 2d 69 6e 74 20 61 |rgc,argv|).-int a|
|00001140| 72 67 63 3b 0a 2d 63 68 | 61 72 20 2a 61 72 67 76 |rgc;.-ch|ar *argv|
|00001150| 5b 5d 3b 0a 2d 7b 0a 2d | 20 20 20 20 65 78 74 65 |[];.-{.-|    exte|
|00001160| 72 6e 20 69 6e 74 20 6f | 70 74 69 6e 64 3b 20 20 |rn int o|ptind;  |
|00001170| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2a 20 67 |        |    /* g|
|00001180| 65 74 6f 70 74 20 76 61 | 72 69 61 62 6c 65 73 20 |etopt va|riables |
|00001190| 2a 2f 0a 2d 20 20 20 20 | 65 78 74 65 72 6e 20 63 |*/.-    |extern c|
|000011a0| 68 61 72 20 2a 6f 70 74 | 61 72 67 3b 0a 2d 20 20 |har *opt|arg;.-  |
|000011b0| 20 20 69 6e 74 20 66 6c | 61 67 3b 0a 2d 0a 2d 20 |  int fl|ag;.-.- |
|000011c0| 20 20 20 70 72 6f 67 6e | 61 6d 65 20 3d 20 2a 61 |   progn|ame = *a|
|000011d0| 72 67 76 3b 0a 2d 0a 2d | 20 20 20 20 77 68 69 6c |rgv;.-.-|    whil|
|000011e0| 65 20 28 28 66 6c 61 67 | 20 3d 20 67 65 74 6f 70 |e ((flag| = getop|
|000011f0| 74 28 61 72 67 63 2c 20 | 61 72 67 76 2c 20 22 64 |t(argc, |argv, "d|
|00001200| 73 3a 76 22 29 29 20 21 | 3d 20 45 4f 46 29 20 7b |s:v")) !|= EOF) {|
|00001210| 0a 2d 20 20 20 20 20 20 | 20 20 73 77 69 74 63 68 |.-      |  switch|
|00001220| 20 28 66 6c 61 67 29 20 | 7b 0a 2d 20 20 20 20 20 | (flag) |{.-     |
|00001230| 20 20 20 20 20 20 20 63 | 61 73 65 20 27 64 27 20 |       c|ase 'd' |
|00001240| 3a 20 64 65 62 75 67 20 | 3d 20 31 3b 20 20 20 20 |: debug |= 1;    |
|00001250| 20 20 20 2f 2a 20 66 61 | 6c 6c 20 69 6e 20 76 65 |   /* fa|ll in ve|
|00001260| 72 62 6f 73 65 20 2a 2f | 0a 2d 20 20 20 20 20 20 |rbose */|.-      |
|00001270| 20 20 20 20 20 20 63 61 | 73 65 20 27 76 27 20 3a |      ca|se 'v' :|
|00001280| 20 76 65 72 62 6f 73 65 | 20 3d 20 31 3b 0a 2d 20 | verbose| = 1;.- |
|00001290| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000012a0| 20 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 2d 20 20 |      br|eak;.-  |
|000012b0| 20 20 20 20 20 20 20 20 | 20 20 63 61 73 65 20 27 |        |  case '|
|000012c0| 73 27 20 3a 20 69 6e 69 | 74 73 69 7a 65 20 3d 20 |s' : ini|tsize = |
|000012d0| 61 74 6f 69 28 6f 70 74 | 61 72 67 29 3b 0a 2d 20 |atoi(opt|arg);.- |
|000012e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000012f0| 20 20 20 20 20 20 69 66 | 20 28 69 6e 69 74 73 69 |      if| (initsi|
|00001300| 7a 65 20 3c 20 30 29 0a | 2d 20 20 20 20 20 20 20 |ze < 0).|-       |
|00001310| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001320| 20 20 20 20 69 6e 69 74 | 73 69 7a 65 20 3d 20 2d |    init|size = -|
|00001330| 20 69 6e 69 74 73 69 7a | 65 3b 0a 2d 20 20 20 20 | initsiz|e;.-    |
|00001340| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001350| 20 20 20 62 72 65 61 6b | 3b 0a 2d 20 20 20 20 20 |   break|;.-     |
|00001360| 20 20 20 20 20 20 20 64 | 65 66 61 75 6c 74 20 20 |       d|efault  |
|00001370| 3a 20 66 70 72 69 6e 74 | 66 28 73 74 64 65 72 72 |: fprint|f(stderr|
|00001380| 2c 20 22 25 73 3a 20 69 | 67 6e 6f 72 69 6e 67 20 |, "%s: i|gnoring |
|00001390| 75 6e 6b 6e 6f 77 6e 20 | 66 6c 61 67 20 25 63 5c |unknown |flag %c\|
|000013a0| 6e 22 2c 20 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |n", .-  |        |
|000013b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000013c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 70 72 6f |        |     pro|
|000013d0| 67 6e 61 6d 65 2c 20 66 | 6c 61 67 29 3b 0a 2d 20 |gname, f|lag);.- |
|000013e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000013f0| 20 20 20 20 20 20 75 73 | 61 67 65 28 29 3b 0a 2d |      us|age();.-|
|00001400| 20 20 20 20 20 20 20 20 | 7d 0a 2d 20 20 20 20 7d |        |}.-    }|
|00001410| 0a 2d 0a 2d 20 20 20 20 | 64 69 73 70 5f 70 72 20 |.-.-    |disp_pr |
|00001420| 3d 20 66 69 6e 64 5f 73 | 63 72 65 65 6e 28 29 3b |= find_s|creen();|
|00001430| 0a 2d 0a 2d 20 20 20 20 | 2f 2a 0a 2d 20 20 20 20 |.-.-    |/*.-    |
|00001440| 20 2a 20 53 61 76 65 20 | 6f 6c 64 20 73 74 61 74 | * Save |old stat|
|00001450| 65 2e 0a 2d 20 20 20 20 | 20 2a 2f 0a 2d 20 20 20 |e..-    | */.-   |
|00001460| 20 70 72 5f 67 65 74 63 | 6f 6c 6f 72 6d 61 70 28 | pr_getc|olormap(|
|00001470| 64 69 73 70 5f 70 72 2c | 20 30 2c 20 32 35 36 2c |disp_pr,| 0, 256,|
|00001480| 20 6f 6c 64 72 65 64 2c | 20 6f 6c 64 62 6c 75 65 | oldred,| oldblue|
|00001490| 2c 20 6f 6c 64 67 72 65 | 65 6e 29 3b 0a 2d 20 20 |, oldgre|en);.-  |
|000014a0| 20 20 6f 6c 64 70 6c 61 | 6e 65 73 20 3d 20 70 72 |  oldpla|nes = pr|
|000014b0| 5f 67 65 74 5f 70 6c 61 | 6e 65 5f 67 72 6f 75 70 |_get_pla|ne_group|
|000014c0| 28 64 69 73 70 5f 70 72 | 29 3b 0a 2d 20 20 20 20 |(disp_pr|);.-    |
|000014d0| 73 69 67 6e 61 6c 28 53 | 49 47 48 55 50 2c 20 20 |signal(S|IGHUP,  |
|000014e0| 74 65 72 6d 69 6e 61 74 | 65 29 3b 0a 2d 20 20 20 |terminat|e);.-   |
|000014f0| 20 73 69 67 6e 61 6c 28 | 53 49 47 49 4e 54 2c 20 | signal(|SIGINT, |
|00001500| 20 74 65 72 6d 69 6e 61 | 74 65 29 3b 0a 2d 20 20 | termina|te);.-  |
|00001510| 20 20 73 69 67 6e 61 6c | 28 53 49 47 54 45 52 4d |  signal|(SIGTERM|
|00001520| 2c 20 74 65 72 6d 69 6e | 61 74 65 29 3b 0a 2d 0a |, termin|ate);.-.|
|00001530| 2d 20 20 20 20 70 77 69 | 64 74 68 20 20 3d 20 64 |-    pwi|dth  = d|
|00001540| 69 73 70 5f 70 72 2d 3e | 70 72 5f 73 69 7a 65 2e |isp_pr->|pr_size.|
|00001550| 78 3b 0a 2d 20 20 20 20 | 70 68 65 69 67 68 74 20 |x;.-    |pheight |
|00001560| 3d 20 64 69 73 70 5f 70 | 72 2d 3e 70 72 5f 73 69 |= disp_p|r->pr_si|
|00001570| 7a 65 2e 79 3b 0a 2d 0a | 2d 2f 2a 0a 2d 20 20 20 |ze.y;.-.|-/*.-   |
|00001580| 20 28 76 6f 69 64 29 20 | 70 72 5f 61 76 61 69 6c | (void) |pr_avail|
|00001590| 61 62 6c 65 5f 70 6c 61 | 6e 65 5f 67 72 6f 75 70 |able_pla|ne_group|
|000015a0| 73 28 20 64 69 73 70 5f | 70 72 2c 20 4d 41 58 47 |s( disp_|pr, MAXG|
|000015b0| 52 4f 55 50 53 2c 20 67 | 72 6f 75 70 73 20 29 3b |ROUPS, g|roups );|
|000015c0| 0a 2d 20 20 20 20 69 66 | 20 28 20 21 20 67 72 6f |.-    if| ( ! gro|
|000015d0| 75 70 73 5b 50 49 58 50 | 47 5f 38 42 49 54 5f 43 |ups[PIXP|G_8BIT_C|
|000015e0| 4f 4c 4f 52 5d 20 29 20 | 7b 0a 2d 09 66 70 72 69 |OLOR] ) |{.-.fpri|
|000015f0| 6e 74 66 28 20 73 74 64 | 65 72 72 2c 20 22 25 73 |ntf( std|err, "%s|
|00001600| 3a 20 64 69 73 70 6c 61 | 79 20 6d 75 73 74 20 69 |: displa|y must i|
|00001610| 6d 70 6c 65 6d 65 6e 74 | 20 38 2d 62 69 74 20 63 |mplement| 8-bit c|
|00001620| 6f 6c 6f 72 5c 6e 22 2c | 20 70 72 6f 67 6e 61 6d |olor\n",| prognam|
|00001630| 65 20 29 3b 0a 2d 09 65 | 78 69 74 28 20 31 20 29 |e );.-.e|xit( 1 )|
|00001640| 3b 0a 2d 20 20 20 20 7d | 0a 2d 20 20 20 20 70 72 |;.-    }|.-    pr|
|00001650| 5f 73 65 74 5f 70 6c 61 | 6e 65 5f 67 72 6f 75 70 |_set_pla|ne_group|
|00001660| 28 20 64 69 73 70 5f 70 | 72 2c 20 50 49 58 50 47 |( disp_p|r, PIXPG|
|00001670| 5f 38 42 49 54 5f 43 4f | 4c 4f 52 20 29 3b 0a 2d |_8BIT_CO|LOR );.-|
|00001680| 20 2a 2f 0a 2d 0a 2d 0a | 2d 20 20 20 20 69 66 20 | */.-.-.|-    if |
|00001690| 28 6f 70 74 69 6e 64 20 | 3e 3d 20 61 72 67 63 29 |(optind |>= argc)|
|000016a0| 20 7b 20 20 20 20 20 20 | 20 2f 2a 20 73 74 64 69 | {      | /* stdi|
|000016b0| 6e 20 69 66 20 6e 6f 20 | 66 69 6c 65 73 20 67 69 |n if no |files gi|
|000016c0| 76 65 6e 20 2a 2f 0a 2d | 20 20 20 20 20 20 20 20 |ven */.-|        |
|000016d0| 66 69 6c 65 6e 61 6d 65 | 20 3d 20 22 73 74 64 69 |filename| = "stdi|
|000016e0| 6e 22 3b 0a 2d 20 20 20 | 20 20 20 20 20 69 6e 66 |n";.-   |     inf|
|000016f0| 69 6c 65 20 3d 20 73 74 | 64 69 6e 3b 0a 2d 20 20 |ile = st|din;.-  |
|00001700| 20 20 20 20 20 20 63 6f | 6e 76 65 72 74 28 29 3b |      co|nvert();|
|00001710| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 65 6c 73 |.-    }.|-    els|
|00001720| 65 20 7b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |e {     |        |
|00001730| 20 20 20 20 20 20 20 20 | 20 2f 2a 20 77 61 6c 6b |        | /* walk|
|00001740| 20 6f 76 65 72 20 67 69 | 66 20 66 69 6c 65 73 20 | over gi|f files |
|00001750| 2a 2f 0a 2d 20 20 20 20 | 20 20 20 20 77 68 69 6c |*/.-    |    whil|
|00001760| 65 20 28 6f 70 74 69 6e | 64 20 3c 20 61 72 67 63 |e (optin|d < argc|
|00001770| 29 20 7b 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |) {.-   |        |
|00001780| 20 66 69 6c 65 6e 61 6d | 65 20 3d 20 61 72 67 76 | filenam|e = argv|
|00001790| 5b 6f 70 74 69 6e 64 2b | 2b 5d 3b 0a 2d 20 20 20 |[optind+|+];.-   |
|000017a0| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 28 69 6e |        | if ((in|
|000017b0| 66 69 6c 65 20 3d 20 66 | 6f 70 65 6e 28 66 69 6c |file = f|open(fil|
|000017c0| 65 6e 61 6d 65 2c 22 72 | 22 29 29 20 3d 3d 20 4e |ename,"r|")) == N|
|000017d0| 55 4c 4c 29 20 7b 0a 2d | 20 20 20 20 20 20 20 20 |ULL) {.-|        |
|000017e0| 20 20 20 20 20 20 20 20 | 70 65 72 72 6f 72 28 66 |        |perror(f|
|000017f0| 69 6c 65 6e 61 6d 65 29 | 3b 0a 2d 20 20 20 20 20 |ilename)|;.-     |
|00001800| 20 20 20 20 20 20 20 20 | 20 20 20 63 6f 6e 74 69 |        |   conti|
|00001810| 6e 75 65 3b 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |nue;.-  |        |
|00001820| 20 20 7d 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |  }.-   |        |
|00001830| 20 63 6f 6e 76 65 72 74 | 28 29 3b 0a 2d 20 20 20 | convert|();.-   |
|00001840| 20 20 20 20 20 20 20 20 | 20 66 63 6c 6f 73 65 28 |        | fclose(|
|00001850| 69 6e 66 69 6c 65 29 3b | 0a 2d 20 20 20 20 20 20 |infile);|.-      |
|00001860| 20 20 7d 0a 2d 20 20 20 | 20 7d 0a 2d 0a 2d 7d 20 |  }.-   | }.-.-} |
|00001870| 2f 2a 20 6d 61 69 6e 20 | 2a 2f 0a 2d 0a 2d 0a 2d |/* main |*/.-.-.-|
|00001880| 0a 2d 76 6f 69 64 20 63 | 6f 6e 76 65 72 74 28 29 |.-void c|onvert()|
|00001890| 0a 2d 7b 0a 2d 20 20 20 | 20 63 68 61 72 20 63 68 |.-{.-   | char ch|
|000018a0| 3b 0a 2d 0a 2d 20 20 20 | 20 69 66 20 28 76 65 72 |;.-.-   | if (ver|
|000018b0| 62 6f 73 65 29 0a 2d 20 | 20 20 20 20 20 20 20 66 |bose).- |       f|
|000018c0| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 20 22 |printf(s|tderr, "|
|000018d0| 25 73 3a 5c 6e 22 2c 20 | 66 69 6c 65 6e 61 6d 65 |%s:\n", |filename|
|000018e0| 29 3b 20 0a 2d 20 20 20 | 20 69 66 20 28 63 68 65 |); .-   | if (che|
|000018f0| 63 6b 73 69 67 6e 61 74 | 75 72 65 28 29 29 0a 2d |cksignat|ure()).-|
|00001900| 20 20 20 20 20 20 20 20 | 72 65 74 75 72 6e 3b 0a |        |return;.|
|00001910| 2d 20 20 20 20 72 65 61 | 64 73 63 72 65 65 6e 28 |-    rea|dscreen(|
|00001920| 29 3b 0a 2d 20 20 20 20 | 77 68 69 6c 65 20 28 28 |);.-    |while ((|
|00001930| 63 68 20 3d 20 67 65 74 | 63 28 69 6e 66 69 6c 65 |ch = get|c(infile|
|00001940| 29 29 20 21 3d 20 27 3b | 27 20 26 26 20 63 68 20 |)) != ';|' && ch |
|00001950| 21 3d 20 45 4f 46 29 20 | 7b 0a 2d 20 20 20 20 20 |!= EOF) |{.-     |
|00001960| 20 20 20 73 77 69 74 63 | 68 20 28 63 68 29 20 7b |   switc|h (ch) {|
|00001970| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 63 61 |.-      |      ca|
|00001980| 73 65 20 27 5c 30 27 3a | 20 20 62 72 65 61 6b 3b |se '\0':|  break;|
|00001990| 20 20 2f 2a 20 74 68 69 | 73 20 6b 6c 75 64 67 65 |  /* thi|s kludge|
|000019a0| 20 66 6f 72 20 6e 6f 6e | 2d 73 74 61 6e 64 61 72 | for non|-standar|
|000019b0| 64 20 66 69 6c 65 73 20 | 2a 2f 0a 2d 20 20 20 20 |d files |*/.-    |
|000019c0| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 27 2c 27 |        |case ','|
|000019d0| 3a 20 20 20 69 66 20 28 | 72 65 61 64 69 6d 61 67 |:   if (|readimag|
|000019e0| 65 28 29 29 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |e()).-  |        |
|000019f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001a00| 20 72 65 74 75 72 6e 3b | 0a 2d 20 20 20 20 20 20 | return;|.-      |
|00001a10| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001a20| 20 20 62 72 65 61 6b 3b | 0a 2d 20 20 20 20 20 20 |  break;|.-      |
|00001a30| 20 20 20 20 20 20 63 61 | 73 65 20 27 21 27 3a 20 |      ca|se '!': |
|00001a40| 20 20 72 65 61 64 65 78 | 74 65 6e 73 69 6f 6e 28 |  readex|tension(|
|00001a50| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |);.-    |        |
|00001a60| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 72 65 61 |        |    brea|
|00001a70| 6b 3b 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |k;.-    |        |
|00001a80| 64 65 66 61 75 6c 74 3a | 20 20 20 20 66 70 72 69 |default:|    fpri|
|00001a90| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 25 73 3a |ntf(stde|rr, "%s:|
|00001aa0| 20 69 6c 6c 65 67 61 6c | 20 47 49 46 20 62 6c 6f | illegal| GIF blo|
|00001ab0| 63 6b 20 74 79 70 65 20 | 69 6e 20 25 73 5c 6e 22 |ck type |in %s\n"|
|00001ac0| 2c 0a 2d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.-     |        |
|00001ad0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001ae0| 20 20 20 20 20 20 20 20 | 20 20 20 70 72 6f 67 6e |        |   progn|
|00001af0| 61 6d 65 2c 20 66 69 6c | 65 6e 61 6d 65 29 3b 0a |ame, fil|ename);.|
|00001b00| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |-       |        |
|00001b10| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 3b |        | return;|
|00001b20| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
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|00001b40| 0a 2d 20 20 20 20 20 20 | 20 20 7d 0a 2d 20 20 20 |.-      |  }.-   |
|00001b50| 20 7d 0a 2d 0a 2d 7d 20 | 2f 2a 20 63 6f 6e 76 65 | }.-.-} |/* conve|
|00001b60| 72 74 20 2a 2f 0a 2d 0a | 2d 0a 2d 0a 2d 63 68 65 |rt */.-.|-.-.-che|
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|00001b90| 5d 3b 0a 2d 0a 2d 20 20 | 20 20 66 72 65 61 64 28 |];.-.-  |  fread(|
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|00001bb0| 0a 2d 20 20 20 20 69 66 | 20 28 73 74 72 6e 63 6d |.-    if| (strncm|
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|00001bd0| 7b 0a 2d 20 20 20 20 20 | 20 20 20 66 70 72 69 6e |{.-     |   fprin|
|00001be0| 74 66 28 73 74 64 65 72 | 72 2c 20 22 25 73 3a 20 |tf(stder|r, "%s: |
|00001bf0| 25 73 20 69 73 20 6e 6f | 74 20 61 20 47 49 46 20 |%s is no|t a GIF |
|00001c00| 66 69 6c 65 5c 6e 22 2c | 20 70 72 6f 67 6e 61 6d |file\n",| prognam|
|00001c10| 65 2c 20 66 69 6c 65 6e | 61 6d 65 29 3b 0a 2d 20 |e, filen|ame);.- |
|00001c20| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 31 3b |       r|eturn 1;|
|00001c30| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 69 66 20 |.-    }.|-    if |
|00001c40| 28 73 74 72 6e 63 6d 70 | 28 26 62 75 66 5b 33 5d |(strncmp|(&buf[3]|
|00001c50| 2c 22 38 37 61 22 2c 33 | 29 29 20 7b 0a 2d 20 20 |,"87a",3|)) {.-  |
|00001c60| 20 20 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |      fp|rintf(st|
|00001c70| 64 65 72 72 2c 20 22 25 | 73 3a 20 75 6e 6b 6e 6f |derr, "%|s: unkno|
|00001c80| 77 6e 20 47 49 46 20 76 | 65 72 73 69 6f 6e 20 6e |wn GIF v|ersion n|
|00001c90| 75 6d 62 65 72 20 69 6e | 20 25 73 5c 6e 22 2c 0a |umber in| %s\n",.|
|00001ca0| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |-       |        |
|00001cb0| 20 20 20 20 20 20 20 20 | 20 70 72 6f 67 6e 61 6d |        | prognam|
|00001cc0| 65 2c 20 66 69 6c 65 6e | 61 6d 65 29 3b 0a 2d 20 |e, filen|ame);.- |
|00001cd0| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 31 3b |       r|eturn 1;|
|00001ce0| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 72 65 74 |.-    }.|-    ret|
|00001cf0| 75 72 6e 20 30 3b 0a 2d | 0a 2d 7d 20 2f 2a 20 63 |urn 0;.-|.-} /* c|
|00001d00| 68 65 63 6b 73 69 67 6e | 61 74 75 72 65 20 2a 2f |hecksign|ature */|
|00001d10| 0a 2d 0a 2d 0a 2d 0a 2d | 2f 2a 0a 2d 20 2a 20 47 |.-.-.-.-|/*.- * G|
|00001d20| 65 74 20 69 6e 66 6f 72 | 6d 61 74 69 6f 6e 20 77 |et infor|mation w|
|00001d30| 68 69 63 68 20 69 73 20 | 67 6c 6f 62 61 6c 20 74 |hich is |global t|
|00001d40| 6f 20 61 6c 6c 20 74 68 | 65 20 69 6d 61 67 65 73 |o all th|e images|
|00001d50| 20 73 74 6f 72 65 64 20 | 69 6e 20 74 68 65 20 66 | stored |in the f|
|00001d60| 69 6c 65 0a 2d 20 2a 2f | 0a 2d 0a 2d 76 6f 69 64 |ile.- */|.-.-void|
|00001d70| 20 72 65 61 64 73 63 72 | 65 65 6e 28 29 0a 2d 7b | readscr|een().-{|
|00001d80| 0a 2d 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |.-    un|signed c|
|00001d90| 68 61 72 20 62 75 66 5b | 37 5d 3b 0a 2d 0a 2d 20 |har buf[|7];.-.- |
|00001da0| 20 20 20 66 72 65 61 64 | 28 62 75 66 2c 31 2c 37 |   fread|(buf,1,7|
|00001db0| 2c 69 6e 66 69 6c 65 29 | 3b 0a 2d 20 20 20 20 73 |,infile)|;.-    s|
|00001dc0| 63 72 65 65 6e 77 69 64 | 74 68 20 3d 20 62 75 66 |creenwid|th = buf|
|00001dd0| 5b 30 5d 20 2b 20 28 62 | 75 66 5b 31 5d 20 3c 3c |[0] + (b|uf[1] <<|
|00001de0| 20 38 29 3b 0a 2d 20 20 | 20 20 73 63 72 65 65 6e | 8);.-  |  screen|
|00001df0| 68 65 69 67 68 74 20 3d | 20 62 75 66 5b 32 5d 20 |height =| buf[2] |
|00001e00| 2b 20 28 62 75 66 5b 33 | 5d 20 3c 3c 20 38 29 3b |+ (buf[3|] << 8);|
|00001e10| 0a 2d 20 20 20 20 67 6c | 6f 62 61 6c 20 3d 20 62 |.-    gl|obal = b|
|00001e20| 75 66 5b 34 5d 20 26 20 | 30 78 38 30 3b 0a 2d 20 |uf[4] & |0x80;.- |
|00001e30| 20 20 20 69 66 20 28 67 | 6c 6f 62 61 6c 29 20 7b |   if (g|lobal) {|
|00001e40| 0a 2d 20 20 20 20 20 20 | 20 20 67 6c 6f 62 61 6c |.-      |  global|
|00001e50| 62 69 74 73 20 3d 20 28 | 62 75 66 5b 34 5d 20 26 |bits = (|buf[4] &|
|00001e60| 20 30 78 30 37 29 20 2b | 20 31 3b 0a 2d 20 20 20 | 0x07) +| 1;.-   |
|00001e70| 20 20 20 20 20 66 72 65 | 61 64 28 67 6c 6f 62 61 |     fre|ad(globa|
|00001e80| 6c 6d 61 70 2c 33 2c 31 | 3c 3c 67 6c 6f 62 61 6c |lmap,3,1|<<global|
|00001e90| 62 69 74 73 2c 69 6e 66 | 69 6c 65 29 3b 0a 2d 20 |bits,inf|ile);.- |
|00001ea0| 20 20 20 7d 0a 2d 20 20 | 20 20 62 67 63 6f 6c 6f |   }.-  |  bgcolo|
|00001eb0| 72 20 3d 20 62 75 66 5b | 35 5d 3b 0a 2d 20 20 20 |r = buf[|5];.-   |
|00001ec0| 20 69 66 20 28 76 65 72 | 62 6f 73 65 29 0a 2d 20 | if (ver|bose).- |
|00001ed0| 20 20 20 20 20 20 20 66 | 70 72 69 6e 74 66 28 73 |       f|printf(s|
|00001ee0| 74 64 65 72 72 2c 20 22 | 20 20 20 20 67 6c 6f 62 |tderr, "|    glob|
|00001ef0| 61 6c 20 73 63 72 65 65 | 6e 3a 20 25 64 78 25 64 |al scree|n: %dx%d|
|00001f00| 78 25 64 5c 6e 22 2c 0a | 2d 20 20 20 20 20 20 20 |x%d\n",.|-       |
|00001f10| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001f20| 20 73 63 72 65 65 6e 77 | 69 64 74 68 2c 20 73 63 | screenw|idth, sc|
|00001f30| 72 65 65 6e 68 65 69 67 | 68 74 2c 20 31 3c 3c 67 |reenheig|ht, 1<<g|
|00001f40| 6c 6f 62 61 6c 62 69 74 | 73 29 3b 0a 2d 20 20 20 |lobalbit|s);.-   |
|00001f50| 20 69 66 20 28 64 65 62 | 75 67 29 0a 2d 20 20 20 | if (deb|ug).-   |
|00001f60| 20 20 20 20 20 66 70 72 | 69 6e 74 66 28 73 74 64 |     fpr|intf(std|
|00001f70| 65 72 72 2c 20 22 20 20 | 20 20 62 61 63 6b 67 72 |err, "  |  backgr|
|00001f80| 6f 75 6e 64 63 6f 6c 6f | 72 3a 20 25 64 5c 6e 22 |oundcolo|r: %d\n"|
|00001f90| 2c 0a 2d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.-     |        |
|00001fa0| 20 20 20 20 20 20 20 20 | 20 20 20 62 67 63 6f 6c |        |   bgcol|
|00001fb0| 6f 72 29 3b 0a 2d 0a 2d | 7d 20 2f 2a 20 72 65 61 |or);.-.-|} /* rea|
|00001fc0| 64 73 63 72 65 65 6e 20 | 2a 2f 0a 2d 0a 2d 0a 2d |dscreen |*/.-.-.-|
|00001fd0| 0a 2d 0a 2d 72 65 61 64 | 69 6d 61 67 65 28 29 0a |.-.-read|image().|
|00001fe0| 2d 7b 0a 2d 20 20 20 20 | 75 6e 73 69 67 6e 65 64 |-{.-    |unsigned|
|00001ff0| 20 63 68 61 72 20 62 75 | 66 5b 39 5d 3b 0a 2d 0a | char bu|f[9];.-.|
|00002000| 2d 20 20 20 20 69 66 20 | 28 66 72 65 61 64 28 62 |-    if |(fread(b|
|00002010| 75 66 2c 20 31 2c 20 39 | 2c 20 69 6e 66 69 6c 65 |uf, 1, 9|, infile|
|00002020| 29 20 3d 3d 20 30 29 20 | 7b 0a 2d 20 20 20 20 20 |) == 0) |{.-     |
|00002030| 20 20 20 70 65 72 72 6f | 72 28 66 69 6c 65 6e 61 |   perro|r(filena|
|00002040| 6d 65 29 3b 0a 2d 20 20 | 20 20 20 20 20 20 65 78 |me);.-  |      ex|
|00002050| 69 74 28 31 29 3b 0a 2d | 20 20 20 20 7d 0a 2d 20 |it(1);.-|    }.- |
|00002060| 20 20 20 6c 65 66 74 20 | 3d 20 62 75 66 5b 30 5d |   left |= buf[0]|
|00002070| 20 2b 20 28 62 75 66 5b | 31 5d 20 3c 3c 20 38 29 | + (buf[|1] << 8)|
|00002080| 3b 0a 2d 20 20 20 20 74 | 6f 70 20 3d 20 62 75 66 |;.-    t|op = buf|
|00002090| 5b 32 5d 20 2b 20 28 62 | 75 66 5b 33 5d 20 3c 3c |[2] + (b|uf[3] <<|
|000020a0| 20 38 29 3b 0a 2d 20 20 | 20 20 77 69 64 74 68 20 | 8);.-  |  width |
|000020b0| 3d 20 62 75 66 5b 34 5d | 20 2b 20 28 62 75 66 5b |= buf[4]| + (buf[|
|000020c0| 35 5d 20 3c 3c 20 38 29 | 3b 0a 2d 20 20 20 20 68 |5] << 8)|;.-    h|
|000020d0| 65 69 67 68 74 20 3d 20 | 62 75 66 5b 36 5d 20 2b |eight = |buf[6] +|
|000020e0| 20 28 62 75 66 5b 37 5d | 20 3c 3c 20 38 29 3b 0a | (buf[7]| << 8);.|
|000020f0| 2d 20 20 20 20 6c 6f 63 | 61 6c 20 3d 20 62 75 66 |-    loc|al = buf|
|00002100| 5b 38 5d 20 26 20 30 78 | 38 30 3b 0a 2d 20 20 20 |[8] & 0x|80;.-   |
|00002110| 20 69 6e 74 65 72 6c 65 | 61 76 65 64 20 3d 20 62 | interle|aved = b|
|00002120| 75 66 5b 38 5d 20 26 20 | 30 78 34 30 3b 0a 2d 20 |uf[8] & |0x40;.- |
|00002130| 20 20 20 69 66 20 28 76 | 65 72 62 6f 73 65 29 0a |   if (v|erbose).|
|00002140| 2d 20 20 20 20 20 20 20 | 20 66 70 72 69 6e 74 66 |-       | fprintf|
|00002150| 28 73 74 64 65 72 72 2c | 20 22 20 20 20 20 69 6d |(stderr,| "    im|
|00002160| 61 67 65 3a 20 25 64 78 | 25 64 20 25 73 20 20 6f |age: %dx|%d %s  o|
|00002170| 72 67 3a 20 25 64 2c 25 | 64 5c 6e 22 2c 20 77 69 |rg: %d,%|d\n", wi|
|00002180| 64 74 68 2c 20 68 65 69 | 67 68 74 2c 0a 2d 20 20 |dth, hei|ght,.-  |
|00002190| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000021a0| 20 20 20 20 20 20 69 6e | 74 65 72 6c 65 61 76 65 |      in|terleave|
|000021b0| 64 20 3f 20 22 69 6e 74 | 65 72 6c 65 61 76 65 64 |d ? "int|erleaved|
|000021c0| 22 20 3a 20 22 22 2c 20 | 6c 65 66 74 2c 20 74 6f |" : "", |left, to|
|000021d0| 70 29 3b 0a 2d 20 20 20 | 20 69 66 20 28 6c 6f 63 |p);.-   | if (loc|
|000021e0| 61 6c 20 3d 3d 20 30 20 | 26 26 20 67 6c 6f 62 61 |al == 0 |&& globa|
|000021f0| 6c 20 3d 3d 20 30 29 20 | 7b 0a 2d 20 20 20 20 20 |l == 0) |{.-     |
|00002200| 20 20 20 66 70 72 69 6e | 74 66 28 73 74 64 65 72 |   fprin|tf(stder|
|00002210| 72 2c 20 22 25 73 3a 20 | 6e 6f 20 63 6f 6c 6f 72 |r, "%s: |no color|
|00002220| 6d 61 70 20 70 72 65 73 | 65 6e 74 20 66 6f 72 20 |map pres|ent for |
|00002230| 69 6d 61 67 65 20 69 6e | 20 25 73 5c 6e 22 2c 0a |image in| %s\n",.|
|00002240| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |-       |        |
|00002250| 20 20 20 20 20 20 20 20 | 20 70 72 6f 67 6e 61 6d |        | prognam|
|00002260| 65 2c 20 66 69 6c 65 6e | 61 6d 65 29 3b 0a 2d 20 |e, filen|ame);.- |
|00002270| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 31 3b |       r|eturn 1;|
|00002280| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 69 66 20 |.-    }.|-    if |
|00002290| 28 28 72 61 73 74 65 72 | 20 3d 20 28 75 6e 73 69 |((raster| = (unsi|
|000022a0| 67 6e 65 64 20 63 68 61 | 72 2a 29 20 6d 61 6c 6c |gned cha|r*) mall|
|000022b0| 6f 63 28 77 69 64 74 68 | 2a 68 65 69 67 68 74 29 |oc(width|*height)|
|000022c0| 29 20 3d 3d 20 4e 55 4c | 4c 29 20 7b 0a 2d 20 20 |) == NUL|L) {.-  |
|000022d0| 20 20 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |      fp|rintf(st|
|000022e0| 64 65 72 72 2c 20 22 25 | 73 3a 20 6e 6f 74 20 65 |derr, "%|s: not e|
|000022f0| 6e 6f 75 67 68 20 6d 65 | 6d 6f 72 79 20 66 6f 72 |nough me|mory for|
|00002300| 20 69 6d 61 67 65 20 69 | 6e 20 25 73 5c 6e 22 2c | image i|n %s\n",|
|00002310| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
|00002320| 20 20 20 20 20 20 20 20 | 20 20 70 72 6f 67 6e 61 |        |  progna|
|00002330| 6d 65 2c 20 66 69 6c 65 | 6e 61 6d 65 29 3b 0a 2d |me, file|name);.-|
|00002340| 20 20 20 20 20 20 20 20 | 72 65 74 75 72 6e 20 31 |        |return 1|
|00002350| 3b 0a 2d 20 20 20 20 7d | 0a 2d 20 20 20 20 69 66 |;.-    }|.-    if|
|00002360| 20 28 72 65 61 64 72 61 | 73 74 65 72 28 77 69 64 | (readra|ster(wid|
|00002370| 74 68 2c 20 68 65 69 67 | 68 74 29 29 0a 2d 20 20 |th, heig|ht)).-  |
|00002380| 20 20 20 20 20 20 72 65 | 74 75 72 6e 20 31 3b 0a |      re|turn 1;.|
|00002390| 2d 0a 2d 20 20 20 20 69 | 66 20 28 6c 6f 63 61 6c |-.-    i|f (local|
|000023a0| 29 20 7b 0a 2d 20 20 20 | 20 20 20 20 20 6c 6f 63 |) {.-   |     loc|
|000023b0| 61 6c 62 69 74 73 20 3d | 20 28 62 75 66 5b 38 5d |albits =| (buf[8]|
|000023c0| 20 26 20 30 78 37 29 20 | 2b 20 31 3b 0a 2d 20 20 | & 0x7) |+ 1;.-  |
|000023d0| 20 20 20 20 20 20 69 66 | 20 28 76 65 72 62 6f 73 |      if| (verbos|
|000023e0| 65 29 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |e).-    |        |
|000023f0| 66 70 72 69 6e 74 66 28 | 73 74 64 65 72 72 2c 20 |fprintf(|stderr, |
|00002400| 22 20 20 20 6c 6f 63 61 | 6c 20 63 6f 6c 6f 72 73 |"   loca|l colors|
|00002410| 3a 20 25 64 5c 6e 22 2c | 20 31 3c 3c 6c 6f 63 61 |: %d\n",| 1<<loca|
|00002420| 6c 62 69 74 73 29 3b 0a | 2d 20 20 20 20 20 20 20 |lbits);.|-       |
|00002430| 20 66 72 65 61 64 28 6c | 6f 63 61 6c 6d 61 70 2c | fread(l|ocalmap,|
|00002440| 20 33 2c 20 31 3c 3c 6c | 6f 63 61 6c 62 69 74 73 | 3, 1<<l|ocalbits|
|00002450| 2c 20 69 6e 66 69 6c 65 | 29 3b 0a 2d 20 20 20 20 |, infile|);.-    |
|00002460| 7d 0a 2d 0a 2d 20 20 20 | 20 72 61 73 74 65 72 69 |}.-.-   | rasteri|
|00002470| 7a 65 28 69 6e 74 65 72 | 6c 65 61 76 65 64 2c 20 |ze(inter|leaved, |
|00002480| 72 61 73 74 65 72 29 3b | 0a 2d 20 20 20 20 66 72 |raster);|.-    fr|
|00002490| 65 65 28 72 61 73 74 65 | 72 29 3b 0a 2d 0a 2d 20 |ee(raste|r);.-.- |
|000024a0| 20 20 20 72 65 74 75 72 | 6e 20 30 3b 0a 2d 0a 2d |   retur|n 0;.-.-|
|000024b0| 7d 20 2f 2a 20 72 65 61 | 64 69 6d 61 67 65 20 2a |} /* rea|dimage *|
|000024c0| 2f 0a 2d 0a 2d 0a 2d 0a | 2d 2f 2a 0a 2d 20 2a 20 |/.-.-.-.|-/*.- * |
|000024d0| 52 65 61 64 20 61 20 47 | 49 46 20 65 78 74 65 6e |Read a G|IF exten|
|000024e0| 73 69 6f 6e 20 62 6c 6f | 63 6b 20 28 61 6e 64 20 |sion blo|ck (and |
|000024f0| 64 6f 20 6e 6f 74 68 69 | 6e 67 20 77 69 74 68 20 |do nothi|ng with |
|00002500| 69 74 29 2e 0a 2d 20 2a | 2f 0a 2d 0a 2d 76 6f 69 |it)..- *|/.-.-voi|
|00002510| 64 20 72 65 61 64 65 78 | 74 65 6e 73 69 6f 6e 28 |d readex|tension(|
|00002520| 29 0a 2d 7b 0a 2d 20 20 | 20 20 75 6e 73 69 67 6e |).-{.-  |  unsign|
|00002530| 65 64 20 63 68 61 72 20 | 63 6f 64 65 3b 0a 2d 20 |ed char |code;.- |
|00002540| 20 20 20 69 6e 74 20 63 | 6f 75 6e 74 3b 0a 2d 20 |   int c|ount;.- |
|00002550| 20 20 20 63 68 61 72 20 | 62 75 66 5b 32 35 35 5d |   char |buf[255]|
|00002560| 3b 0a 2d 0a 2d 20 20 20 | 20 63 6f 64 65 20 3d 20 |;.-.-   | code = |
|00002570| 67 65 74 63 28 69 6e 66 | 69 6c 65 29 3b 0a 2d 20 |getc(inf|ile);.- |
|00002580| 20 20 20 69 66 20 28 76 | 65 72 62 6f 73 65 29 20 |   if (v|erbose) |
|00002590| 0a 2d 20 20 20 20 20 20 | 20 20 66 70 72 69 6e 74 |.-      |  fprint|
|000025a0| 66 28 73 74 64 65 72 72 | 2c 20 22 20 20 20 20 73 |f(stderr|, "    s|
|000025b0| 6b 69 70 70 69 6e 67 20 | 65 78 74 65 6e 73 69 6f |kipping |extensio|
|000025c0| 6e 3a 20 25 64 5c 6e 22 | 2c 20 63 6f 64 65 29 3b |n: %d\n"|, code);|
|000025d0| 0a 2d 20 20 20 20 77 68 | 69 6c 65 20 28 63 6f 75 |.-    wh|ile (cou|
|000025e0| 6e 74 20 3d 20 67 65 74 | 63 28 69 6e 66 69 6c 65 |nt = get|c(infile|
|000025f0| 29 29 0a 2d 20 20 20 20 | 20 20 20 20 66 72 65 61 |)).-    |    frea|
|00002600| 64 28 62 75 66 2c 20 31 | 2c 20 63 6f 75 6e 74 2c |d(buf, 1|, count,|
|00002610| 20 69 6e 66 69 6c 65 29 | 3b 0a 2d 0a 2d 7d 20 2f | infile)|;.-.-} /|
|00002620| 2a 20 72 65 61 64 65 78 | 74 65 6e 73 69 6f 6e 20 |* readex|tension |
|00002630| 2a 2f 0a 2d 0a 2d 0a 2d | 0a 2d 2f 2a 0a 2d 20 2a |*/.-.-.-|.-/*.- *|
|00002640| 20 44 65 63 6f 64 65 20 | 61 20 72 61 73 74 65 72 | Decode |a raster|
|00002650| 20 69 6d 61 67 65 0a 2d | 20 2a 2f 0a 2d 0a 2d 72 | image.-| */.-.-r|
|00002660| 65 61 64 72 61 73 74 65 | 72 28 77 69 64 74 68 2c |eadraste|r(width,|
|00002670| 20 68 65 69 67 68 74 29 | 0a 2d 75 6e 73 69 67 6e | height)|.-unsign|
|00002680| 65 64 20 77 69 64 74 68 | 2c 68 65 69 67 68 74 3b |ed width|,height;|
|00002690| 0a 2d 7b 0a 2d 20 20 20 | 20 75 6e 73 69 67 6e 65 |.-{.-   | unsigne|
|000026a0| 64 20 63 68 61 72 20 2a | 66 69 6c 6c 20 3d 20 72 |d char *|fill = r|
|000026b0| 61 73 74 65 72 3b 0a 2d | 20 20 20 20 75 6e 73 69 |aster;.-|    unsi|
|000026c0| 67 6e 65 64 20 63 68 61 | 72 20 62 75 66 5b 32 35 |gned cha|r buf[25|
|000026d0| 35 5d 3b 0a 2d 20 20 20 | 20 72 65 67 69 73 74 65 |5];.-   | registe|
|000026e0| 72 20 62 69 74 73 20 3d | 20 30 3b 0a 2d 20 20 20 |r bits =| 0;.-   |
|000026f0| 20 72 65 67 69 73 74 65 | 72 20 75 6e 73 69 67 6e | registe|r unsign|
|00002700| 65 64 20 64 61 74 75 6d | 20 3d 20 30 3b 0a 2d 20 |ed datum| = 0;.- |
|00002710| 20 20 20 72 65 67 69 73 | 74 65 72 20 75 6e 73 69 |   regis|ter unsi|
|00002720| 67 6e 65 64 20 63 68 61 | 72 20 2a 63 68 3b 0a 2d |gned cha|r *ch;.-|
|00002730| 20 20 20 20 72 65 67 69 | 73 74 65 72 20 69 6e 74 |    regi|ster int|
|00002740| 20 63 6f 75 6e 74 2c 20 | 63 6f 64 65 3b 0a 2d 0a | count, |code;.-.|
|00002750| 2d 20 20 20 20 64 61 74 | 61 73 69 7a 65 20 3d 20 |-    dat|asize = |
|00002760| 67 65 74 63 28 69 6e 66 | 69 6c 65 29 3b 0a 2d 20 |getc(inf|ile);.- |
|00002770| 20 20 20 63 6c 65 61 72 | 20 20 20 20 3d 20 31 20 |   clear|    = 1 |
|00002780| 3c 3c 20 64 61 74 61 73 | 69 7a 65 3b 0a 2d 20 20 |<< datas|ize;.-  |
|00002790| 20 20 65 6f 69 20 20 20 | 20 20 20 3d 20 63 6c 65 |  eoi   |   = cle|
|000027a0| 61 72 20 2b 20 31 3b 0a | 2d 20 20 20 20 61 76 61 |ar + 1;.|-    ava|
|000027b0| 69 6c 20 20 20 20 3d 20 | 63 6c 65 61 72 20 2b 20 |il    = |clear + |
|000027c0| 32 3b 0a 2d 20 20 20 20 | 6f 6c 64 63 6f 64 65 20 |2;.-    |oldcode |
|000027d0| 20 3d 20 2d 31 3b 0a 2d | 20 20 20 20 63 6f 64 65 | = -1;.-|    code|
|000027e0| 73 69 7a 65 20 3d 20 64 | 61 74 61 73 69 7a 65 20 |size = d|atasize |
|000027f0| 2b 20 31 3b 0a 2d 20 20 | 20 20 63 6f 64 65 6d 61 |+ 1;.-  |  codema|
|00002800| 73 6b 20 3d 20 28 31 20 | 3c 3c 20 63 6f 64 65 73 |sk = (1 |<< codes|
|00002810| 69 7a 65 29 20 2d 20 31 | 3b 0a 2d 20 20 20 20 66 |ize) - 1|;.-    f|
|00002820| 6f 72 20 28 63 6f 64 65 | 20 3d 20 30 3b 20 63 6f |or (code| = 0; co|
|00002830| 64 65 20 3c 20 63 6c 65 | 61 72 3b 20 63 6f 64 65 |de < cle|ar; code|
|00002840| 2b 2b 29 20 7b 0a 2d 20 | 20 20 20 20 20 20 20 70 |++) {.- |       p|
|00002850| 72 65 66 69 78 5b 63 6f | 64 65 5d 20 3d 20 30 3b |refix[co|de] = 0;|
|00002860| 0a 2d 20 20 20 20 20 20 | 20 20 73 75 66 66 69 78 |.-      |  suffix|
|00002870| 5b 63 6f 64 65 5d 20 3d | 20 63 6f 64 65 3b 0a 2d |[code] =| code;.-|
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|000028b0| 20 63 6f 75 6e 74 20 3d | 20 67 65 74 63 28 69 6e | count =| getc(in|
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|00002910| 3e 20 30 3b 20 63 68 2b | 2b 29 20 7b 0a 2d 20 20 |> 0; ch+|+) {.-  |
|00002920| 20 20 20 20 20 20 20 20 | 20 20 64 61 74 75 6d 20 |        |  datum |
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|00002940| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 62 69 74 |-       |     bit|
|00002950| 73 20 20 2b 3d 20 38 3b | 0a 2d 20 20 20 20 20 20 |s  += 8;|.-      |
|00002960| 20 20 20 20 20 20 77 68 | 69 6c 65 20 28 62 69 74 |      wh|ile (bit|
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|00002980| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
|00002990| 20 20 63 6f 64 65 20 20 | 3d 20 64 61 74 75 6d 20 |  code  |= datum |
|000029a0| 26 20 63 6f 64 65 6d 61 | 73 6b 3b 0a 2d 20 20 20 |& codema|sk;.-   |
|000029b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 64 61 74 |        |     dat|
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|000029d0| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
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|000029f0| 69 7a 65 3b 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |ize;.-  |        |
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|00002a10| 3d 20 65 6f 69 29 20 7b | 20 20 20 20 20 20 20 20 |= eoi) {|        |
|00002a20| 20 20 20 20 20 20 20 2f | 2a 20 54 68 69 73 20 6b |       /|* This k|
|00002a30| 6c 75 64 67 65 20 70 75 | 74 20 69 6e 20 2a 2f 0a |ludge pu|t in */.|
|00002a40| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |-       |        |
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|00002a70| 20 20 2f 2a 20 62 65 63 | 61 75 73 65 20 73 6f 6d |  /* bec|ause som|
|00002a80| 65 20 47 49 46 20 66 69 | 6c 65 73 2a 2f 0a 2d 20 |e GIF fi|les*/.- |
|00002a90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 7d |        |       }|
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|00002b30| 20 20 20 20 20 20 20 20 | 20 20 20 7d 0a 2d 20 20 |        |   }.-  |
|00002b40| 20 20 20 20 20 20 20 20 | 20 20 7d 0a 2d 20 20 20 |        |  }.-   |
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|00002b90| 20 20 66 70 72 69 6e 74 | 66 28 73 74 64 65 72 72 |  fprint|f(stderr|
|00002ba0| 2c 20 22 25 73 3a 20 72 | 61 73 74 65 72 20 66 75 |, "%s: r|aster fu|
|00002bb0| 6c 6c 20 62 65 66 6f 72 | 65 20 65 6f 69 20 63 6f |ll befor|e eoi co|
|00002bc0| 64 65 20 69 6e 20 25 73 | 5c 6e 22 2c 0a 2d 20 20 |de in %s|\n",.-  |
|00002bd0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002be0| 20 20 20 20 20 20 20 20 | 20 20 70 72 6f 67 6e 61 |        |  progna|
|00002bf0| 6d 65 2c 20 66 69 6c 65 | 6e 61 6d 65 29 3b 0a 2d |me, file|name);.-|
|00002c00| 20 20 20 20 20 20 20 20 | 20 20 20 20 67 6f 74 6f |        |    goto|
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|00002c20| 20 20 20 20 7d 0a 2d 20 | 20 20 20 7d 0a 2d 65 78 |    }.- |   }.-ex|
|00002c30| 69 74 6c 6f 6f 70 3a 0a | 2d 20 20 20 20 69 66 20 |itloop:.|-    if |
|00002c40| 28 66 69 6c 6c 20 21 3d | 20 72 61 73 74 65 72 20 |(fill !=| raster |
|00002c50| 2b 20 77 69 64 74 68 2a | 68 65 69 67 68 74 29 20 |+ width*|height) |
|00002c60| 20 7b 0a 2d 20 20 20 20 | 20 20 20 20 66 70 72 69 | {.-    |    fpri|
|00002c70| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 25 73 3a |ntf(stde|rr, "%s:|
|00002c80| 20 77 61 72 6e 69 6e 67 | 3a 20 25 73 20 68 61 73 | warning|: %s has|
|00002c90| 20 77 72 6f 6e 67 20 72 | 61 73 74 65 72 73 69 7a | wrong r|astersiz|
|00002ca0| 65 3a 20 25 6c 64 20 62 | 79 74 65 73 5c 6e 22 2c |e: %ld b|ytes\n",|
|00002cb0| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
|00002cc0| 20 20 20 20 20 20 20 20 | 20 20 70 72 6f 67 6e 61 |        |  progna|
|00002cd0| 6d 65 2c 20 66 69 6c 65 | 6e 61 6d 65 2c 20 28 6c |me, file|name, (l|
|00002ce0| 6f 6e 67 29 20 28 66 69 | 6c 6c 2d 72 61 73 74 65 |ong) (fi|ll-raste|
|00002cf0| 72 29 29 3b 0a 2d 20 20 | 20 20 20 20 20 20 66 70 |r));.-  |      fp|
|00002d00| 72 69 6e 74 66 28 73 74 | 64 65 72 72 2c 20 22 20 |rintf(st|derr, " |
|00002d10| 20 20 20 20 20 20 20 20 | 69 6e 73 74 65 61 64 20 |        |instead |
|00002d20| 6f 66 20 25 6c 64 20 62 | 79 74 65 73 5c 6e 22 2c |of %ld b|ytes\n",|
|00002d30| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
|00002d40| 20 20 20 20 20 20 20 20 | 20 20 28 6c 6f 6e 67 29 |        |  (long)|
|00002d50| 20 77 69 64 74 68 2a 68 | 65 69 67 68 74 29 3b 0a | width*h|eight);.|
|00002d60| 2d 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |-       | return |
|00002d70| 30 3b 20 2f 2a 20 63 61 | 6e 20 73 74 69 6c 6c 20 |0; /* ca|n still |
|00002d80| 64 72 61 77 20 61 20 70 | 69 63 74 75 72 65 20 2e |draw a p|icture .|
|00002d90| 2e 2e 20 2a 2f 0a 2d 20 | 20 20 20 7d 0a 2d 0a 2d |.. */.- |   }.-.-|
|00002da0| 20 20 20 20 72 65 74 75 | 72 6e 20 30 3b 0a 2d 0a |    retu|rn 0;.-.|
|00002db0| 2d 7d 20 2f 2a 20 72 65 | 61 64 72 61 73 74 65 72 |-} /* re|adraster|
|00002dc0| 20 2a 2f 0a 2d 0a 2d 0a | 2d 0a 2d 0a 2d 2f 2a 0a | */.-.-.|-.-.-/*.|
|00002dd0| 2d 20 2a 20 50 72 6f 63 | 65 73 73 20 61 20 63 6f |- * Proc|ess a co|
|00002de0| 6d 70 72 65 73 73 69 6f | 6e 20 63 6f 64 65 2e 20 |mpressio|n code. |
|00002df0| 20 22 63 6c 65 61 72 22 | 20 72 65 73 65 74 73 20 | "clear"| resets |
|00002e00| 74 68 65 20 63 6f 64 65 | 20 74 61 62 6c 65 2e 20 |the code| table. |
|00002e10| 20 4f 74 68 65 72 77 69 | 73 65 0a 2d 20 2a 20 6d | Otherwi|se.- * m|
|00002e20| 61 6b 65 20 61 20 6e 65 | 77 20 63 6f 64 65 20 74 |ake a ne|w code t|
|00002e30| 61 62 6c 65 20 65 6e 74 | 72 79 2c 20 61 6e 64 20 |able ent|ry, and |
|00002e40| 6f 75 74 70 75 74 20 74 | 68 65 20 62 79 74 65 73 |output t|he bytes|
|00002e50| 20 61 73 73 6f 63 69 61 | 74 65 64 20 77 69 74 68 | associa|ted with|
|00002e60| 20 74 68 65 0a 2d 20 2a | 20 63 6f 64 65 2e 0a 2d | the.- *| code..-|
|00002e70| 20 2a 2f 0a 2d 0a 2d 75 | 6e 63 6f 6d 70 72 65 73 | */.-.-u|ncompres|
|00002e80| 73 28 63 6f 64 65 2c 20 | 66 69 6c 6c 29 0a 2d 72 |s(code, |fill).-r|
|00002e90| 65 67 69 73 74 65 72 20 | 63 6f 64 65 3b 0a 2d 72 |egister |code;.-r|
|00002ea0| 65 67 69 73 74 65 72 20 | 75 6e 73 69 67 6e 65 64 |egister |unsigned|
|00002eb0| 20 63 68 61 72 20 2a 2a | 66 69 6c 6c 3b 0a 2d 7b | char **|fill;.-{|
|00002ec0| 0a 2d 20 20 20 20 69 6e | 74 20 69 6e 63 6f 64 65 |.-    in|t incode|
|00002ed0| 3b 0a 2d 20 20 20 20 73 | 74 61 74 69 63 20 75 6e |;.-    s|tatic un|
|00002ee0| 73 69 67 6e 65 64 20 63 | 68 61 72 20 66 69 72 73 |signed c|har firs|
|00002ef0| 74 63 68 61 72 3b 0a 2d | 20 20 20 20 72 65 67 69 |tchar;.-|    regi|
|00002f00| 73 74 65 72 20 75 6e 73 | 69 67 6e 65 64 20 63 68 |ster uns|igned ch|
|00002f10| 61 72 20 2a 73 74 61 63 | 6b 70 3b 0a 2d 0a 2d 20 |ar *stac|kp;.-.- |
|00002f20| 20 20 20 73 74 61 63 6b | 70 20 3d 20 73 74 61 63 |   stack|p = stac|
|00002f30| 6b 3b 0a 2d 20 20 20 20 | 69 66 20 28 63 6f 64 65 |k;.-    |if (code|
|00002f40| 20 3d 3d 20 63 6c 65 61 | 72 29 20 7b 0a 2d 20 20 | == clea|r) {.-  |
|00002f50| 20 20 20 20 20 20 63 6f | 64 65 73 69 7a 65 20 3d |      co|desize =|
|00002f60| 20 64 61 74 61 73 69 7a | 65 20 2b 20 31 3b 0a 2d | datasiz|e + 1;.-|
|00002f70| 20 20 20 20 20 20 20 20 | 63 6f 64 65 6d 61 73 6b |        |codemask|
|00002f80| 20 3d 20 28 31 20 3c 3c | 20 63 6f 64 65 73 69 7a | = (1 <<| codesiz|
|00002f90| 65 29 20 2d 20 31 3b 0a | 2d 20 20 20 20 20 20 20 |e) - 1;.|-       |
|00002fa0| 20 61 76 61 69 6c 20 20 | 20 20 3d 20 63 6c 65 61 | avail  |  = clea|
|00002fb0| 72 20 2b 20 32 3b 0a 2d | 20 20 20 20 20 20 20 20 |r + 2;.-|        |
|00002fc0| 6f 6c 64 63 6f 64 65 20 | 20 3d 20 2d 31 3b 0a 2d |oldcode | = -1;.-|
|00002fd0| 20 20 20 20 20 20 20 20 | 72 65 74 75 72 6e 20 30 |        |return 0|
|00002fe0| 3b 0a 2d 20 20 20 20 7d | 0a 2d 0a 2d 20 20 20 20 |;.-    }|.-.-    |
|00002ff0| 69 66 20 28 6f 6c 64 63 | 6f 64 65 20 3d 3d 20 2d |if (oldc|ode == -|
|00003000| 31 29 20 7b 0a 2d 20 20 | 20 20 20 20 20 20 2a 28 |1) {.-  |      *(|
|00003010| 2a 66 69 6c 6c 29 2b 2b | 20 3d 20 73 75 66 66 69 |*fill)++| = suffi|
|00003020| 78 5b 63 6f 64 65 5d 3b | 0a 2d 20 20 20 20 20 20 |x[code];|.-      |
|00003030| 20 20 66 69 72 73 74 63 | 68 61 72 20 3d 20 6f 6c |  firstc|har = ol|
|00003040| 64 63 6f 64 65 20 3d 20 | 63 6f 64 65 3b 0a 2d 20 |dcode = |code;.- |
|00003050| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 30 3b |       r|eturn 0;|
|00003060| 0a 2d 20 20 20 20 7d 0a | 2d 0a 2d 20 20 20 20 69 |.-    }.|-.-    i|
|00003070| 66 20 28 63 6f 64 65 20 | 3e 20 61 76 61 69 6c 29 |f (code |> avail)|
|00003080| 20 7b 0a 2d 20 20 20 20 | 20 20 20 20 66 70 72 69 | {.-    |    fpri|
|00003090| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 25 73 3a |ntf(stde|rr, "%s:|
|000030a0| 20 63 6f 64 65 20 25 20 | 64 20 74 6f 20 6c 61 72 | code % |d to lar|
|000030b0| 67 65 20 66 6f 72 20 25 | 64 20 69 6e 20 25 73 5c |ge for %|d in %s\|
|000030c0| 6e 22 2c 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |n",.-   |        |
|000030d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 70 72 6f |        |     pro|
|000030e0| 67 6e 61 6d 65 2c 20 63 | 6f 64 65 2c 20 61 76 61 |gname, c|ode, ava|
|000030f0| 69 6c 2c 20 66 69 6c 65 | 6e 61 6d 65 29 3b 0a 2d |il, file|name);.-|
|00003100| 20 20 20 20 20 20 20 20 | 72 65 74 75 72 6e 20 31 |        |return 1|
|00003110| 3b 20 0a 2d 20 20 20 20 | 7d 0a 2d 0a 2d 20 20 20 |; .-    |}.-.-   |
|00003120| 20 69 6e 63 6f 64 65 20 | 3d 20 63 6f 64 65 3b 0a | incode |= code;.|
|00003130| 2d 20 20 20 20 69 66 20 | 28 63 6f 64 65 20 3d 3d |-    if |(code ==|
|00003140| 20 61 76 61 69 6c 29 20 | 7b 20 20 20 20 20 20 2f | avail) |{      /|
|00003150| 2a 20 74 68 65 20 66 69 | 72 73 74 20 63 6f 64 65 |* the fi|rst code|
|00003160| 20 69 73 20 61 6c 77 61 | 79 73 20 3c 20 61 76 61 | is alwa|ys < ava|
|00003170| 69 6c 20 2a 2f 0a 2d 20 | 20 20 20 20 20 20 20 2a |il */.- |       *|
|00003180| 73 74 61 63 6b 70 2b 2b | 20 3d 20 66 69 72 73 74 |stackp++| = first|
|00003190| 63 68 61 72 3b 0a 2d 20 | 20 20 20 20 20 20 20 63 |char;.- |       c|
|000031a0| 6f 64 65 20 3d 20 6f 6c | 64 63 6f 64 65 3b 0a 2d |ode = ol|dcode;.-|
|000031b0| 20 20 20 20 7d 0a 2d 20 | 20 20 20 77 68 69 6c 65 |    }.- |   while|
|000031c0| 20 28 63 6f 64 65 20 3e | 20 63 6c 65 61 72 29 20 | (code >| clear) |
|000031d0| 7b 0a 2d 20 20 20 20 20 | 20 20 20 2a 73 74 61 63 |{.-     |   *stac|
|000031e0| 6b 70 2b 2b 20 3d 20 73 | 75 66 66 69 78 5b 63 6f |kp++ = s|uffix[co|
|000031f0| 64 65 5d 3b 0a 2d 20 20 | 20 20 20 20 20 20 63 6f |de];.-  |      co|
|00003200| 64 65 20 3d 20 70 72 65 | 66 69 78 5b 63 6f 64 65 |de = pre|fix[code|
|00003210| 5d 3b 0a 2d 20 20 20 20 | 7d 0a 2d 0a 2d 20 20 20 |];.-    |}.-.-   |
|00003220| 20 2a 73 74 61 63 6b 70 | 2b 2b 20 3d 20 66 69 72 | *stackp|++ = fir|
|00003230| 73 74 63 68 61 72 20 3d | 20 73 75 66 66 69 78 5b |stchar =| suffix[|
|00003240| 63 6f 64 65 5d 3b 0a 2d | 20 20 20 20 70 72 65 66 |code];.-|    pref|
|00003250| 69 78 5b 61 76 61 69 6c | 5d 20 3d 20 6f 6c 64 63 |ix[avail|] = oldc|
|00003260| 6f 64 65 3b 0a 2d 20 20 | 20 20 73 75 66 66 69 78 |ode;.-  |  suffix|
|00003270| 5b 61 76 61 69 6c 5d 20 | 3d 20 66 69 72 73 74 63 |[avail] |= firstc|
|00003280| 68 61 72 3b 0a 2d 20 20 | 20 20 61 76 61 69 6c 2b |har;.-  |  avail+|
|00003290| 2b 3b 0a 2d 0a 2d 20 20 | 20 20 69 66 20 28 28 28 |+;.-.-  |  if (((|
|000032a0| 61 76 61 69 6c 20 26 20 | 63 6f 64 65 6d 61 73 6b |avail & |codemask|
|000032b0| 29 20 3d 3d 20 30 29 20 | 26 26 20 28 61 76 61 69 |) == 0) |&& (avai|
|000032c0| 6c 20 3c 20 34 30 39 36 | 29 29 20 7b 0a 2d 20 20 |l < 4096|)) {.-  |
|000032d0| 20 20 20 20 20 20 63 6f | 64 65 73 69 7a 65 2b 2b |      co|desize++|
|000032e0| 3b 0a 2d 20 20 20 20 20 | 20 20 20 63 6f 64 65 6d |;.-     |   codem|
|000032f0| 61 73 6b 20 2b 3d 20 61 | 76 61 69 6c 3b 0a 2d 20 |ask += a|vail;.- |
|00003300| 20 20 20 7d 0a 2d 0a 2d | 20 20 20 20 6f 6c 64 63 |   }.-.-|    oldc|
|00003310| 6f 64 65 20 3d 20 69 6e | 63 6f 64 65 3b 0a 2d 20 |ode = in|code;.- |
|00003320| 20 20 20 64 6f 20 7b 0a | 2d 20 20 20 20 20 20 20 |   do {.|-       |
|00003330| 20 2a 28 2a 66 69 6c 6c | 29 2b 2b 20 3d 20 2a 2d | *(*fill|)++ = *-|
|00003340| 2d 73 74 61 63 6b 70 3b | 0a 2d 20 20 20 20 7d 20 |-stackp;|.-    } |
|00003350| 77 68 69 6c 65 20 28 73 | 74 61 63 6b 70 20 3e 20 |while (s|tackp > |
|00003360| 73 74 61 63 6b 29 3b 0a | 2d 0a 2d 20 20 20 20 72 |stack);.|-.-    r|
|00003370| 65 74 75 72 6e 20 30 3b | 0a 2d 0a 2d 7d 20 2f 2a |eturn 0;|.-.-} /*|
|00003380| 20 70 72 6f 63 65 73 73 | 20 2a 2f 0a 2d 0a 2d 0a | process| */.-.-.|
|00003390| 2d 0a 2d 0a 2d 2f 2a 0a | 2d 20 2a 20 43 6f 6e 76 |-.-.-/*.|- * Conv|
|000033a0| 65 72 74 20 61 20 63 6f | 6c 6f 72 20 6d 61 70 20 |ert a co|lor map |
|000033b0| 28 6c 6f 63 61 6c 20 6f | 72 20 67 6c 6f 62 61 6c |(local o|r global|
|000033c0| 29 20 74 6f 20 61 72 72 | 61 79 73 20 77 69 74 68 |) to arr|ays with|
|000033d0| 20 52 2c 20 47 20 61 6e | 64 20 42 0a 2d 20 2a 20 | R, G an|d B.- * |
|000033e0| 76 61 6c 75 65 73 2e 20 | 50 61 73 73 20 63 6f 6c |values. |Pass col|
|000033f0| 6f 72 73 20 74 6f 20 53 | 55 4e 56 49 45 57 20 61 |ors to S|UNVIEW a|
|00003400| 6e 64 20 73 65 74 20 74 | 68 65 20 62 61 63 6b 67 |nd set t|he backg|
|00003410| 72 6f 75 6e 64 20 63 6f | 6c 6f 72 2e 0a 2d 20 2a |round co|lor..- *|
|00003420| 2f 0a 2d 0a 2d 76 6f 69 | 64 20 69 6e 69 74 63 6f |/.-.-voi|d initco|
|00003430| 6c 6f 72 73 28 63 6f 6c | 6f 72 6d 61 70 2c 20 6e |lors(col|ormap, n|
|00003440| 63 6f 6c 6f 72 73 2c 20 | 62 67 63 6f 6c 6f 72 29 |colors, |bgcolor)|
|00003450| 0a 2d 75 6e 73 69 67 6e | 65 64 20 63 68 61 72 20 |.-unsign|ed char |
|00003460| 63 6f 6c 6f 72 6d 61 70 | 5b 43 4f 4c 53 49 5a 45 |colormap|[COLSIZE|
|00003470| 5d 5b 33 5d 3b 0a 2d 69 | 6e 74 20 6e 63 6f 6c 6f |][3];.-i|nt ncolo|
|00003480| 72 73 3b 0a 2d 69 6e 74 | 20 62 67 63 6f 6c 6f 72 |rs;.-int| bgcolor|
|00003490| 3b 0a 2d 7b 0a 2d 20 20 | 20 20 72 65 67 69 73 74 |;.-{.-  |  regist|
|000034a0| 65 72 20 69 3b 0a 2d 20 | 20 20 20 75 6e 73 69 67 |er i;.- |   unsig|
|000034b0| 6e 65 64 20 63 68 61 72 | 20 72 65 64 5b 43 4f 4c |ned char| red[COL|
|000034c0| 53 49 5a 45 5d 3b 0a 2d | 20 20 20 20 75 6e 73 69 |SIZE];.-|    unsi|
|000034d0| 67 6e 65 64 20 63 68 61 | 72 20 67 72 65 65 6e 5b |gned cha|r green[|
|000034e0| 43 4f 4c 53 49 5a 45 5d | 3b 0a 2d 20 20 20 20 75 |COLSIZE]|;.-    u|
|000034f0| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 62 6c 75 |nsigned |char blu|
|00003500| 65 5b 43 4f 4c 53 49 5a | 45 5d 3b 0a 2d 0a 2d 20 |e[COLSIZ|E];.-.- |
|00003510| 20 20 20 69 66 20 28 76 | 65 72 62 6f 73 65 29 0a |   if (v|erbose).|
|00003520| 2d 20 20 20 20 20 20 20 | 20 66 70 72 69 6e 74 66 |-       | fprintf|
|00003530| 28 73 74 64 65 72 72 2c | 20 22 20 20 20 20 20 20 |(stderr,| "      |
|00003540| 20 20 20 20 20 20 22 29 | 3b 0a 2d 20 20 20 20 66 |      ")|;.-    f|
|00003550| 6f 72 20 28 69 20 3d 20 | 30 3b 20 69 20 3c 20 6e |or (i = |0; i < n|
|00003560| 63 6f 6c 6f 72 73 3b 20 | 69 2b 2b 29 20 7b 0a 2d |colors; |i++) {.-|
|00003570| 20 20 20 20 20 20 20 20 | 72 65 64 5b 69 5d 20 20 |        |red[i]  |
|00003580| 20 3d 20 63 6f 6c 6f 72 | 6d 61 70 5b 69 5d 5b 30 | = color|map[i][0|
|00003590| 5d 3b 0a 2d 20 20 20 20 | 20 20 20 20 67 72 65 65 |];.-    |    gree|
|000035a0| 6e 5b 69 5d 20 3d 20 63 | 6f 6c 6f 72 6d 61 70 5b |n[i] = c|olormap[|
|000035b0| 69 5d 5b 31 5d 3b 0a 2d | 20 20 20 20 20 20 20 20 |i][1];.-|        |
|000035c0| 62 6c 75 65 5b 69 5d 20 | 20 3d 20 63 6f 6c 6f 72 |blue[i] | = color|
|000035d0| 6d 61 70 5b 69 5d 5b 32 | 5d 3b 0a 2d 20 20 20 20 |map[i][2|];.-    |
|000035e0| 20 20 20 20 69 66 20 28 | 64 65 62 75 67 29 20 7b |    if (|debug) {|
|000035f0| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 66 70 |.-      |      fp|
|00003600| 72 69 6e 74 66 28 73 74 | 64 65 72 72 2c 20 22 20 |rintf(st|derr, " |
|00003610| 20 20 25 33 75 3a 20 25 | 33 75 2c 20 25 33 75 2c |  %3u: %|3u, %3u,|
|00003620| 20 25 33 75 22 2c 0a 2d | 20 20 20 20 20 20 20 20 | %3u",.-|        |
|00003630| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003640| 20 20 20 20 69 2c 20 72 | 65 64 5b 69 5d 2c 20 67 |    i, r|ed[i], g|
|00003650| 72 65 65 6e 5b 69 5d 2c | 20 62 6c 75 65 5b 69 5d |reen[i],| blue[i]|
|00003660| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |);.-    |        |
|00003670| 69 66 20 28 69 25 33 20 | 3d 3d 20 32 29 0a 2d 20 |if (i%3 |== 2).- |
|00003680| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 66 |        |       f|
|00003690| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 20 22 |printf(s|tderr, "|
|000036a0| 5c 6e 20 20 20 20 20 20 | 20 20 20 20 20 20 22 29 |\n      |      ")|
|000036b0| 3b 0a 2d 20 20 20 20 20 | 20 20 20 7d 0a 2d 20 20 |;.-     |   }.-  |
|000036c0| 20 20 7d 0a 2d 0a 2d 20 | 20 20 20 69 66 20 28 64 |  }.-.- |   if (d|
|000036d0| 65 62 75 67 29 0a 2d 20 | 20 20 20 20 20 20 20 66 |ebug).- |       f|
|000036e0| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 20 22 |printf(s|tderr, "|
|000036f0| 5c 6e 20 20 20 20 20 20 | 42 61 63 6b 67 72 6f 75 |\n      |Backgrou|
|00003700| 6e 64 3a 20 25 33 75 3a | 20 25 33 75 2c 20 25 33 |nd: %3u:| %3u, %3|
|00003710| 75 2c 20 25 33 75 5c 6e | 22 2c 20 62 67 63 6f 6c |u, %3u\n|", bgcol|
|00003720| 6f 72 2c 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |or,.-   |        |
|00003730| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 72 65 64 |        |     red|
|00003740| 5b 62 67 63 6f 6c 6f 72 | 5d 2c 20 67 72 65 65 6e |[bgcolor|], green|
|00003750| 5b 62 67 63 6f 6c 6f 72 | 5d 2c 20 62 6c 75 65 5b |[bgcolor|], blue[|
|00003760| 62 67 63 6f 6c 6f 72 5d | 29 3b 0a 2d 0a 2d 20 20 |bgcolor]|);.-.-  |
|00003770| 20 20 70 72 5f 70 75 74 | 63 6f 6c 6f 72 6d 61 70 |  pr_put|colormap|
|00003780| 28 64 69 73 70 5f 70 72 | 2c 20 30 2c 20 6e 63 6f |(disp_pr|, 0, nco|
|00003790| 6c 6f 72 73 2c 20 72 65 | 64 2c 20 67 72 65 65 6e |lors, re|d, green|
|000037a0| 2c 20 62 6c 75 65 29 3b | 0a 2d 20 20 20 20 70 72 |, blue);|.-    pr|
|000037b0| 5f 72 6f 70 28 64 69 73 | 70 5f 70 72 2c 20 30 2c |_rop(dis|p_pr, 0,|
|000037c0| 20 30 2c 20 70 77 69 64 | 74 68 2c 20 70 68 65 69 | 0, pwid|th, phei|
|000037d0| 67 68 74 2c 20 0a 2d 20 | 20 20 20 20 20 20 20 20 |ght, .- |        |
|000037e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 50 49 58 5f |        |    PIX_|
|000037f0| 53 52 43 20 7c 20 50 49 | 58 5f 43 4f 4c 4f 52 28 |SRC | PI|X_COLOR(|
|00003800| 62 67 63 6f 6c 6f 72 29 | 2c 20 30 2c 20 30 2c 20 |bgcolor)|, 0, 0, |
|00003810| 30 29 3b 0a 2d 20 20 0a | 2d 7d 20 2f 2a 20 69 6e |0);.-  .|-} /* in|
|00003820| 69 74 63 6f 6c 6f 72 73 | 20 2a 2f 0a 2d 0a 2d 0a |itcolors| */.-.-.|
|00003830| 2d 0a 2d 2f 2a 0a 2d 20 | 2a 20 43 72 65 61 74 65 |-.-/*.- |* Create|
|00003840| 20 61 20 73 75 6e 20 72 | 61 73 74 65 72 20 66 72 | a sun r|aster fr|
|00003850| 6f 6d 20 74 68 65 20 67 | 69 66 20 69 6d 61 67 65 |om the g|if image|
|00003860| 0a 2d 20 2a 2f 0a 2d 0a | 2d 72 61 73 74 65 72 69 |.- */.-.|-rasteri|
|00003870| 7a 65 28 69 6e 74 65 72 | 6c 65 61 76 65 64 2c 20 |ze(inter|leaved, |
|00003880| 72 61 73 74 65 72 29 0a | 2d 69 6e 74 20 69 6e 74 |raster).|-int int|
|00003890| 65 72 6c 65 61 76 65 64 | 3b 0a 2d 72 65 67 69 73 |erleaved|;.-regis|
|000038a0| 74 65 72 20 75 6e 73 69 | 67 6e 65 64 20 63 68 61 |ter unsi|gned cha|
|000038b0| 72 20 2a 72 61 73 74 65 | 72 3b 0a 2d 7b 0a 2d 20 |r *raste|r;.-{.- |
|000038c0| 20 20 20 72 65 67 69 73 | 74 65 72 20 63 6f 6c 3b |   regis|ter col;|
|000038d0| 0a 2d 20 20 20 20 72 65 | 67 69 73 74 65 72 20 75 |.-    re|gister u|
|000038e0| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 72 72 |nsigned |char *rr|
|000038f0| 3b 0a 2d 20 20 20 20 72 | 65 67 69 73 74 65 72 20 |;.-    r|egister |
|00003900| 69 2c 20 6a 3b 0a 2d 20 | 20 20 20 72 65 67 69 73 |i, j;.- |   regis|
|00003910| 74 65 72 20 72 6f 77 3b | 0a 2d 20 20 20 20 75 6e |ter row;|.-    un|
|00003920| 73 69 67 6e 65 64 20 63 | 68 61 72 20 2a 20 6e 65 |signed c|har * ne|
|00003930| 77 72 61 73 3b 0a 2d 20 | 20 20 20 75 6e 73 69 67 |wras;.- |   unsig|
|00003940| 6e 65 64 20 63 68 61 72 | 20 2a 20 65 78 70 72 61 |ned char| * expra|
|00003950| 73 3b 0a 2d 20 20 20 20 | 75 6e 73 69 67 6e 65 64 |s;.-    |unsigned|
|00003960| 20 69 6e 74 20 6f 66 66 | 5f 78 3d 30 2c 20 6f 66 | int off|_x=0, of|
|00003970| 66 5f 79 3d 30 3b 0a 2d | 20 20 20 20 75 6e 73 69 |f_y=0;.-|    unsi|
|00003980| 67 6e 65 64 20 69 6e 74 | 20 70 69 63 78 2c 20 70 |gned int| picx, p|
|00003990| 69 63 79 2c 20 72 77 69 | 64 74 68 3b 0a 2d 20 20 |icy, rwi|dth;.-  |
|000039a0| 20 20 50 69 78 72 65 63 | 74 20 2a 20 70 69 63 74 |  Pixrec|t * pict|
|000039b0| 75 72 65 3b 0a 2d 20 20 | 20 20 69 6e 74 20 73 69 |ure;.-  |  int si|
|000039c0| 7a 65 3b 0a 2d 20 20 20 | 0a 2d 20 20 20 20 0a 2d |ze;.-   |.-    .-|
|000039d0| 23 64 65 66 69 6e 65 20 | 44 52 41 57 53 45 47 4d |#define |DRAWSEGM|
|000039e0| 45 4e 54 28 6f 66 66 73 | 65 74 2c 20 73 74 65 70 |ENT(offs|et, step|
|000039f0| 29 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |)       |        |
|00003a00| 20 20 20 20 20 20 20 20 | 5c 0a 2d 20 20 20 20 20 |        |\.-     |
|00003a10| 20 20 20 66 6f 72 20 28 | 72 6f 77 20 3d 20 6f 66 |   for (|row = of|
|00003a20| 66 73 65 74 3b 20 72 6f | 77 20 3c 20 68 65 69 67 |fset; ro|w < heig|
|00003a30| 68 74 3b 20 72 6f 77 20 | 2b 3d 20 73 74 65 70 29 |ht; row |+= step)|
|00003a40| 20 7b 20 5c 0a 2d 20 20 | 20 20 20 20 20 20 20 20 | { \.-  |        |
|00003a50| 20 20 72 72 20 3d 20 6e | 65 77 72 61 73 20 2b 20 |  rr = n|ewras + |
|00003a60| 72 6f 77 2a 70 69 63 78 | 2a 73 69 7a 65 3b 20 20 |row*picx|*size;  |
|00003a70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 5c 0a |        |      \.|
|00003a80| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 66 6f 72 |-       |     for|
|00003a90| 20 28 69 3d 30 3b 20 69 | 3c 73 69 7a 65 3b 20 69 | (i=0; i|<size; i|
|00003aa0| 2b 2b 29 20 7b 20 20 20 | 20 20 20 20 20 20 20 20 |++) {   |        |
|00003ab0| 20 20 20 20 20 20 20 20 | 20 5c 0a 2d 20 20 20 20 |        | \.-    |
|00003ac0| 20 20 20 20 20 20 20 20 | 20 20 20 20 66 6f 72 20 |        |    for |
|00003ad0| 28 63 6f 6c 3d 30 3b 20 | 63 6f 6c 20 3c 20 77 69 |(col=0; |col < wi|
|00003ae0| 64 74 68 3b 20 63 6f 6c | 2b 2b 29 20 7b 20 20 20 |dth; col|++) {   |
|00003af0| 20 20 20 20 5c 0a 2d 20 | 20 20 20 20 20 20 20 20 |    \.- |        |
|00003b00| 20 20 20 20 20 20 20 20 | 20 20 20 66 6f 72 20 28 |        |   for (|
|00003b10| 6a 3d 30 3b 20 6a 3c 73 | 69 7a 65 3b 20 6a 2b 2b |j=0; j<s|ize; j++|
|00003b20| 29 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 5c |)       |       \|
|00003b30| 0a 2d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.-      |        |
|00003b40| 20 20 20 20 20 20 20 20 | 20 20 2a 72 72 2b 2b 20 |        |  *rr++ |
|00003b50| 3d 20 2a 72 61 73 74 65 | 72 3b 20 20 20 20 20 20 |= *raste|r;      |
|00003b60| 20 20 20 20 20 20 20 20 | 20 20 5c 0a 2d 20 20 20 |        |  \.-   |
|00003b70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003b80| 20 72 61 73 74 65 72 2b | 2b 3b 20 20 20 20 20 20 | raster+|+;      |
|00003b90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003ba0| 20 20 20 20 20 5c 0a 2d | 20 20 20 20 20 20 20 20 |     \.-|        |
|00003bb0| 20 20 20 20 20 20 20 20 | 7d 20 20 20 20 20 20 20 |        |}       |
|00003bc0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003bd0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003be0| 5c 0a 2d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |\.-     |        |
|00003bf0| 20 20 20 72 61 73 74 65 | 72 20 2d 3d 20 77 69 64 |   raste|r -= wid|
|00003c00| 74 68 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |th;     |        |
|00003c10| 20 20 20 20 20 20 20 20 | 20 20 20 5c 0a 2d 20 20 |        |   \.-  |
|00003c20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 72 72 |        |      rr|
|00003c30| 20 2b 20 3d 20 72 77 69 | 64 74 68 25 32 3b 20 20 | + = rwi|dth%2;  |
|00003c40| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003c50| 20 20 20 20 20 20 5c 0a | 2d 20 20 20 20 20 20 20 |      \.|-       |
|00003c60| 20 20 20 20 20 7d 20 20 | 20 20 20 20 20 20 20 20 |     }  |        |
|00003c70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003c80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003c90| 20 5c 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 | \.-    |        |
|00003ca0| 72 61 73 74 65 72 20 2b | 3d 20 77 69 64 74 68 3b |raster +|= width;|
|00003cb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003cc0| 20 20 20 20 20 20 20 20 | 20 20 20 20 5c 0a 2d 20 |        |    \.- |
|00003cd0| 20 20 20 20 20 20 20 7d | 0a 2d 0a 2d 20 20 20 20 |       }|.-.-    |
|00003ce0| 73 69 7a 65 20 3d 20 69 | 6e 69 74 73 69 7a 65 3b |size = i|nitsize;|
|00003cf0| 0a 2d 20 20 20 20 69 66 | 20 28 73 69 7a 65 20 3d |.-    if| (size =|
|00003d00| 3d 20 30 29 20 7b 0a 2d | 20 20 20 20 20 20 20 20 |= 0) {.-|        |
|00003d10| 73 69 7a 65 20 3d 20 32 | 3b 0a 2d 20 20 20 20 20 |size = 2|;.-     |
|00003d20| 20 20 20 77 68 69 6c 65 | 20 28 73 69 7a 65 2a 77 |   while| (size*w|
|00003d30| 69 64 74 68 20 3c 3d 20 | 70 77 69 64 74 68 20 26 |idth <= |pwidth &|
|00003d40| 26 20 73 69 7a 65 2a 68 | 65 69 67 68 74 20 3c 3d |& size*h|eight <=|
|00003d50| 20 70 68 65 69 67 68 74 | 29 0a 2d 20 20 20 20 20 | pheight|).-     |
|00003d60| 20 20 20 20 20 20 20 73 | 69 7a 65 2b 2b 3b 0a 2d |       s|ize++;.-|
|00003d70| 20 20 20 20 20 20 20 20 | 73 69 7a 65 2d 2d 3b 0a |        |size--;.|
|00003d80| 2d 20 20 20 20 7d 0a 2d | 20 20 20 20 72 77 69 64 |-    }.-|    rwid|
|00003d90| 74 68 20 3d 20 73 69 7a | 65 20 2a 20 77 69 64 74 |th = siz|e * widt|
|00003da0| 68 3b 0a 2d 20 20 20 20 | 70 69 63 78 20 3d 20 72 |h;.-    |picx = r|
|00003db0| 77 69 64 74 68 20 2b 20 | 72 77 69 64 74 68 25 32 |width + |rwidth%2|
|00003dc0| 3b 20 0a 2d 20 20 20 20 | 70 69 63 79 20 3d 20 73 |; .-    |picy = s|
|00003dd0| 69 7a 65 20 2a 20 68 65 | 69 67 68 74 3b 0a 2d 0a |ize * he|ight;.-.|
|00003de0| 2d 20 20 20 20 69 66 20 | 28 28 6e 65 77 72 61 73 |-    if |((newras|
|00003df0| 20 3d 20 28 75 6e 73 69 | 67 6e 65 64 20 63 68 61 | = (unsi|gned cha|
|00003e00| 72 2a 29 20 6d 61 6c 6c | 6f 63 28 70 69 63 78 2a |r*) mall|oc(picx*|
|00003e10| 70 69 63 79 29 29 20 3d | 3d 20 4e 55 4c 4c 29 20 |picy)) =|= NULL) |
|00003e20| 7b 0a 2d 20 20 20 20 20 | 20 20 20 66 70 72 69 6e |{.-     |   fprin|
|00003e30| 74 66 28 73 74 64 65 72 | 72 2c 20 22 25 73 3a 20 |tf(stder|r, "%s: |
|00003e40| 6e 6f 74 20 65 6e 6f 75 | 67 68 20 6d 65 6d 6f 72 |not enou|gh memor|
|00003e50| 79 20 66 6f 72 20 72 61 | 73 74 65 72 20 69 6e 20 |y for ra|ster in |
|00003e60| 25 73 5c 6e 22 2c 0a 2d | 20 20 20 20 20 20 20 20 |%s\n",.-|        |
|00003e70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003e80| 70 72 6f 67 6e 61 6d 65 | 2c 20 66 69 6c 65 6e 61 |progname|, filena|
|00003e90| 6d 65 29 3b 0a 2d 20 20 | 20 20 20 20 20 20 72 65 |me);.-  |      re|
|00003ea0| 74 75 72 6e 20 31 3b 0a | 2d 20 20 20 20 7d 0a 2d |turn 1;.|-    }.-|
|00003eb0| 20 20 20 20 69 66 20 28 | 69 6e 74 65 72 6c 65 61 |    if (|interlea|
|00003ec0| 76 65 64 29 20 7b 0a 2d | 20 20 20 20 20 20 20 20 |ved) {.-|        |
|00003ed0| 44 52 41 57 53 45 47 4d | 45 4e 54 28 30 2c 20 38 |DRAWSEGM|ENT(0, 8|
|00003ee0| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 44 52 41 57 |);.-    |    DRAW|
|00003ef0| 53 45 47 4d 45 4e 54 28 | 34 2c 20 38 29 3b 0a 2d |SEGMENT(|4, 8);.-|
|00003f00| 20 20 20 20 20 20 20 20 | 44 52 41 57 53 45 47 4d |        |DRAWSEGM|
|00003f10| 45 4e 54 28 32 2c 20 34 | 29 3b 0a 2d 20 20 20 20 |ENT(2, 4|);.-    |
|00003f20| 20 20 20 20 44 52 41 57 | 53 45 47 4d 45 4e 54 28 |    DRAW|SEGMENT(|
|00003f30| 31 2c 20 32 29 3b 0a 2d | 20 20 20 20 7d 0a 2d 20 |1, 2);.-|    }.- |
|00003f40| 20 20 20 65 6c 73 65 20 | 0a 2d 20 20 20 20 20 20 |   else |.-      |
|00003f50| 20 20 44 52 41 57 53 45 | 47 4d 45 4e 54 28 30 2c |  DRAWSE|GMENT(0,|
|00003f60| 20 31 29 3b 0a 2d 0a 2d | 20 20 20 20 69 66 20 28 | 1);.-.-|    if (|
|00003f70| 70 77 69 64 74 68 20 3e | 20 70 69 63 78 29 0a 2d |pwidth >| picx).-|
|00003f80| 20 20 20 20 20 20 20 20 | 6f 66 66 5f 78 20 3d 20 |        |off_x = |
|00003f90| 28 70 77 69 64 74 68 20 | 2d 20 70 69 63 78 29 2f |(pwidth |- picx)/|
|00003fa0| 32 3b 0a 2d 20 20 20 20 | 69 66 20 28 70 68 65 69 |2;.-    |if (phei|
|00003fb0| 67 68 74 20 3e 20 70 69 | 63 79 29 0a 2d 20 20 20 |ght > pi|cy).-   |
|00003fc0| 20 20 20 20 20 6f 66 66 | 5f 79 20 3d 20 28 70 68 |     off|_y = (ph|
|00003fd0| 65 69 67 68 74 20 2d 20 | 70 69 63 79 29 2f 32 3b |eight - |picy)/2;|
|00003fe0| 0a 2d 0a 2d 20 20 20 20 | 70 69 63 74 75 72 65 20 |.-.-    |picture |
|00003ff0| 3d 20 6d 65 6d 5f 70 6f | 69 6e 74 28 70 69 63 78 |= mem_po|int(picx|
|00004000| 2c 20 70 69 63 79 2c 20 | 38 2c 20 6e 65 77 72 61 |, picy, |8, newra|
|00004010| 73 29 3b 0a 2d 0a 2d 20 | 20 20 20 69 66 20 28 77 |s);.-.- |   if (w|
|00004020| 61 69 74 29 20 7b 0a 2d | 20 20 20 20 20 20 20 77 |ait) {.-|       w|
|00004030| 68 69 6c 65 20 28 67 65 | 74 63 68 61 72 28 29 20 |hile (ge|tchar() |
|00004040| 21 3d 20 27 5c 6e 27 29 | 3b 0a 2d 20 20 20 20 7d |!= '\n')|;.-    }|
|00004050| 0a 2d 20 20 20 20 65 6c | 73 65 0a 2d 20 20 20 20 |.-    el|se.-    |
|00004060| 20 20 20 20 77 61 69 74 | 20 3d 20 30 3b 20 20 2f |    wait| = 0;  /|
|00004070| 2a 20 64 6f 65 73 20 6e | 6f 74 20 77 6f 72 6b 20 |* does n|ot work |
|00004080| 70 72 6f 65 72 6c 79 20 | 2a 2f 0a 2d 0a 2d 20 20 |proerly |*/.-.-  |
|00004090| 20 20 69 66 20 28 6c 6f | 63 61 6c 29 20 0a 2d 20 |  if (lo|cal) .- |
|000040a0| 20 20 20 20 20 20 20 69 | 6e 69 74 63 6f 6c 6f 72 |       i|nitcolor|
|000040b0| 73 28 6c 6f 63 61 6c 6d | 61 70 2c 20 20 31 3c 3c |s(localm|ap,  1<<|
|000040c0| 6c 6f 63 61 6c 62 69 74 | 73 2c 20 20 62 67 63 6f |localbit|s,  bgco|
|000040d0| 6c 6f 72 29 3b 0a 2d 20 | 20 20 20 65 6c 73 65 0a |lor);.- |   else.|
|000040e0| 2d 20 20 20 20 20 20 20 | 20 69 6e 69 74 63 6f 6c |-       | initcol|
|000040f0| 6f 72 73 28 67 6c 6f 62 | 61 6c 6d 61 70 2c 20 31 |ors(glob|almap, 1|
|00004100| 3c 3c 67 6c 6f 62 61 6c | 62 69 74 73 2c 20 62 67 |<<global|bits, bg|
|00004110| 63 6f 6c 6f 72 29 3b 0a | 2d 20 20 20 20 70 72 5f |color);.|-    pr_|
|00004120| 72 6f 70 28 64 69 73 70 | 5f 70 72 2c 20 6f 66 66 |rop(disp|_pr, off|
|00004130| 5f 78 2c 20 6f 66 66 5f | 79 2c 20 70 69 63 78 2c |_x, off_|y, picx,|
|00004140| 20 70 69 63 79 2c 0a 2d | 20 20 20 20 20 20 20 20 | picy,.-|        |
|00004150| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 50 |        |       P|
|00004160| 49 58 5f 53 52 43 20 2c | 70 69 63 74 75 72 65 20 |IX_SRC ,|picture |
|00004170| 2c 30 20 2c 30 29 3b 0a | 2d 0a 2d 20 20 20 20 66 |,0 ,0);.|-.-    f|
|00004180| 72 65 65 28 6e 65 77 72 | 61 73 29 3b 0a 2d 0a 2d |ree(newr|as);.-.-|
|00004190| 0a 2d 7d 20 2f 2a 20 72 | 61 73 74 65 72 69 7a 65 |.-} /* r|asterize|
|000041a0| 20 2a 2f 0a 2d 0a 2d 0a | 2d 0a 2d 76 6f 69 64 20 | */.-.-.|-.-void |
|000041b0| 75 73 61 67 65 28 29 0a | 2d 7b 0a 2d 0a 2d 20 20 |usage().|-{.-.-  |
|000041c0| 20 20 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |      fp|rintf(st|
|000041d0| 64 65 72 72 2c 20 22 75 | 73 61 67 65 3a 20 25 73 |derr, "u|sage: %s|
|000041e0| 20 5b 2d 73 3c 6e 75 6d | 3e 20 2d 64 76 5d 20 67 | [-s<num|> -dv] g|
|000041f0| 69 66 2d 66 69 6c 65 73 | 5c 6e 22 2c 0a 2d 20 20 |if-files|\n",.-  |
|00004200| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004210| 20 20 20 20 20 20 70 72 | 6f 67 6e 61 6d 65 29 3b |      pr|ogname);|
|00004220| 0a 2d 20 20 20 20 20 20 | 20 20 66 70 72 69 6e 74 |.-      |  fprint|
|00004230| 66 28 73 74 64 65 72 72 | 2c 20 22 20 20 20 20 20 |f(stderr|, "     |
|00004240| 20 20 2d 73 20 3a 20 73 | 63 61 6c 65 20 66 61 63 |  -s : s|cale fac|
|00004250| 74 6f 72 20 28 69 6e 74 | 65 67 65 72 29 2c 20 30 |tor (int|eger), 0|
|00004260| 20 69 73 20 61 75 74 6f | 73 63 61 6c 65 5c 6e 22 | is auto|scale\n"|
|00004270| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 66 70 72 69 |);.-    |    fpri|
|00004280| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 20 20 20 |ntf(stde|rr, "   |
|00004290| 20 20 20 20 2d 76 20 3a | 20 70 72 69 6e 74 73 20 |    -v :| prints |
|000042a0| 70 69 63 74 75 72 65 20 | 69 6e 66 6f 72 6d 61 74 |picture |informat|
|000042b0| 69 6f 6e 20 6f 6e 20 73 | 74 64 65 72 72 5c 6e 22 |ion on s|tderr\n"|
|000042c0| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 66 70 72 69 |);.-    |    fpri|
|000042d0| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 20 20 20 |ntf(stde|rr, "   |
|000042e0| 20 20 20 20 2d 64 20 3a | 20 70 72 69 6e 74 73 20 |    -d :| prints |
|000042f0| 6d 6f 72 65 20 69 6e 66 | 6f 72 6d 61 74 69 6f 6e |more inf|ormation|
|00004300| 20 6f 6e 20 73 74 64 65 | 72 72 5c 6e 22 29 3b 0a | on stde|rr\n");.|
|00004310| 2d 0a 2d 7d 20 2f 2a 20 | 75 73 61 67 65 20 2a 2f |-.-} /* |usage */|
|00004320| 0a 2d 0a 2d 0a 2d 0a 2d | 50 69 78 72 65 63 74 20 |.-.-.-.-|Pixrect |
|00004330| 2a 20 66 69 6e 64 5f 73 | 63 72 65 65 6e 28 29 0a |* find_s|creen().|
|00004340| 2d 7b 0a 2d 20 20 20 20 | 50 69 78 72 65 63 74 20 |-{.-    |Pixrect |
|00004350| 2a 64 69 73 70 5f 70 72 | 3b 0a 2d 0a 2d 20 20 20 |*disp_pr|;.-.-   |
|00004360| 20 69 66 20 28 20 28 64 | 69 73 70 5f 70 72 20 3d | if ( (d|isp_pr =|
|00004370| 20 6d 79 5f 70 72 5f 6f | 70 65 6e 28 20 22 2f 64 | my_pr_o|pen( "/d|
|00004380| 65 76 2f 63 67 66 69 76 | 65 30 22 20 29 29 20 3d |ev/cgfiv|e0" )) =|
|00004390| 3d 20 28 50 69 78 72 65 | 63 74 20 2a 29 20 30 20 |= (Pixre|ct *) 0 |
|000043a0| 29 0a 2d 20 20 20 20 20 | 20 69 66 20 28 20 28 64 |).-     | if ( (d|
|000043b0| 69 73 70 5f 70 72 20 3d | 20 6d 79 5f 70 72 5f 6f |isp_pr =| my_pr_o|
|000043c0| 70 65 6e 28 20 22 2f 64 | 65 76 2f 63 67 74 68 72 |pen( "/d|ev/cgthr|
|000043d0| 65 65 30 22 20 29 29 20 | 3d 3d 20 28 50 69 78 72 |ee0" )) |== (Pixr|
|000043e0| 65 63 74 20 2a 29 20 30 | 20 29 0a 2d 09 69 66 20 |ect *) 0| ).-.if |
|000043f0| 28 20 28 64 69 73 70 5f | 70 72 20 3d 20 6d 79 5f |( (disp_|pr = my_|
|00004400| 70 72 5f 6f 70 65 6e 28 | 20 22 2f 64 65 76 2f 67 |pr_open(| "/dev/g|
|00004410| 70 6f 6e 65 30 61 22 20 | 29 29 20 3d 3d 20 28 50 |pone0a" |)) == (P|
|00004420| 69 78 72 65 63 74 20 2a | 29 20 30 20 29 0a 2d 09 |ixrect *|) 0 ).-.|
|00004430| 20 20 69 66 20 28 20 28 | 64 69 73 70 5f 70 72 20 |  if ( (|disp_pr |
|00004440| 3d 20 6d 79 5f 70 72 5f | 6f 70 65 6e 28 20 22 2f |= my_pr_|open( "/|
|00004450| 64 65 76 2f 63 67 74 77 | 6f 30 22 20 29 29 20 3d |dev/cgtw|o0" )) =|
|00004460| 3d 20 28 50 69 78 72 65 | 63 74 20 2a 29 20 30 20 |= (Pixre|ct *) 0 |
|00004470| 29 0a 2d 09 20 20 20 20 | 69 66 20 28 20 28 64 69 |).-.    |if ( (di|
|00004480| 73 70 5f 70 72 20 3d 20 | 6d 79 5f 70 72 5f 6f 70 |sp_pr = |my_pr_op|
|00004490| 65 6e 28 20 22 2f 64 65 | 76 2f 63 67 66 6f 75 72 |en( "/de|v/cgfour|
|000044a0| 30 22 20 29 29 20 3d 3d | 20 28 50 69 78 72 65 63 |0" )) ==| (Pixrec|
|000044b0| 74 20 2a 29 20 30 20 29 | 0a 2d 09 20 20 20 20 20 |t *) 0 )|.-.     |
|000044c0| 20 69 66 20 28 20 28 64 | 69 73 70 5f 70 72 20 3d | if ( (d|isp_pr =|
|000044d0| 20 6d 79 5f 70 72 5f 6f | 70 65 6e 28 20 22 2f 64 | my_pr_o|pen( "/d|
|000044e0| 65 76 2f 63 67 6f 6e 65 | 30 22 20 29 29 20 3d 3d |ev/cgone|0" )) ==|
|000044f0| 20 28 50 69 78 72 65 63 | 74 20 2a 29 20 30 20 29 | (Pixrec|t *) 0 )|
|00004500| 0a 2d 09 20 20 20 20 20 | 20 20 20 69 66 20 28 20 |.-.     |   if ( |
|00004510| 28 64 69 73 70 5f 70 72 | 20 3d 20 6d 79 5f 70 72 |(disp_pr| = my_pr|
|00004520| 5f 6f 70 65 6e 28 20 22 | 2f 64 65 76 2f 66 62 22 |_open( "|/dev/fb"|
|00004530| 20 29 29 20 3d 3d 20 28 | 50 69 78 72 65 63 74 20 | )) == (|Pixrect |
|00004540| 2a 29 20 30 20 29 0a 2d | 09 20 20 20 20 20 20 20 |*) 0 ).-|.       |
|00004550| 20 7b 0a 2d 09 20 20 20 | 20 20 20 20 20 66 70 72 | {.-.   |     fpr|
|00004560| 69 6e 74 66 28 20 73 74 | 64 65 72 72 2c 20 22 25 |intf( st|derr, "%|
|00004570| 73 3a 20 65 72 72 6f 72 | 20 6f 70 65 6e 69 6e 67 |s: error| opening|
|00004580| 20 64 69 73 70 6c 61 79 | 5c 6e 22 2c 20 70 72 6f | display|\n", pro|
|00004590| 67 6e 61 6d 65 20 29 3b | 0a 2d 09 20 20 20 20 20 |gname );|.-.     |
|000045a0| 20 20 20 65 78 69 74 28 | 20 31 20 29 3b 0a 2d 09 |   exit(| 1 );.-.|
|000045b0| 20 20 20 20 20 20 20 20 | 7d 0a 2d 20 20 20 20 72 |        |}.-    r|
|000045c0| 65 74 75 72 6e 20 64 69 | 73 70 5f 70 72 3b 0a 2d |eturn di|sp_pr;.-|
|000045d0| 0a 2d 7d 20 2f 2a 20 66 | 69 6e 64 5f 73 63 72 65 |.-} /* f|ind_scre|
|000045e0| 65 6e 20 2a 2f 0a 2d 0a | 2d 0a 2d 0a 2d 50 69 78 |en */.-.|-.-.-Pix|
|000045f0| 72 65 63 74 20 2a 20 6d | 79 5f 70 72 5f 6f 70 65 |rect * m|y_pr_ope|
|00004600| 6e 28 20 66 62 20 29 0a | 2d 63 68 61 72 20 2a 66 |n( fb ).|-char *f|
|00004610| 62 3b 0a 2d 7b 0a 2d 20 | 20 20 20 69 6e 74 20 66 |b;.-{.- |   int f|
|00004620| 64 3b 0a 2d 0a 2d 20 20 | 20 20 2f 2a 0a 2d 20 20 |d;.-.-  |  /*.-  |
|00004630| 20 20 20 2a 20 54 65 73 | 74 20 77 69 74 68 20 6f |   * Tes|t with o|
|00004640| 70 65 6e 20 66 69 72 73 | 74 2c 20 74 6f 20 61 76 |pen firs|t, to av|
|00004650| 6f 69 64 20 73 74 75 70 | 69 64 20 65 72 72 6f 72 |oid stup|id error|
|00004660| 20 6d 65 73 73 61 67 65 | 73 20 66 72 6f 6d 20 70 | message|s from p|
|00004670| 72 5f 6f 70 65 6e 28 29 | 2e 0a 2d 20 20 20 20 20 |r_open()|..-     |
|00004680| 2a 2f 0a 2d 20 20 20 20 | 69 66 20 28 20 28 66 64 |*/.-    |if ( (fd|
|00004690| 20 3d 20 6f 70 65 6e 28 | 66 62 2c 20 4f 5f 52 44 | = open(|fb, O_RD|
|000046a0| 57 52 29 29 20 3d 3d 20 | 2d 31 20 29 0a 2d 09 72 |WR)) == |-1 ).-.r|
|000046b0| 65 74 75 72 6e 20 28 50 | 69 78 72 65 63 74 20 2a |eturn (P|ixrect *|
|000046c0| 29 20 30 3b 0a 2d 20 20 | 20 20 63 6c 6f 73 65 28 |) 0;.-  |  close(|
|000046d0| 20 66 64 20 29 3b 0a 2d | 0a 2d 20 20 20 20 72 65 | fd );.-|.-    re|
|000046e0| 74 75 72 6e 20 70 72 5f | 6f 70 65 6e 28 20 66 62 |turn pr_|open( fb|
|000046f0| 20 29 3b 0a 2d 0a 2d 7d | 20 2f 2a 20 6d 79 5f 70 | );.-.-}| /* my_p|
|00004700| 72 5f 6f 70 65 6e 20 2a | 2f 0a 2d 0a 2d 0a 2d 0a |r_open *|/.-.-.-.|
|00004710| 2d 74 65 72 6d 69 6e 61 | 74 65 28 20 73 69 67 2c |-termina|te( sig,|
|00004720| 20 63 6f 64 65 2c 20 73 | 63 70 20 29 0a 2d 69 6e | code, s|cp ).-in|
|00004730| 74 20 73 69 67 2c 20 63 | 6f 64 65 3b 0a 2d 73 74 |t sig, c|ode;.-st|
|00004740| 72 75 63 74 20 73 69 67 | 63 6f 6e 74 65 78 74 20 |ruct sig|context |
|00004750| 2a 73 63 70 3b 0a 2d 7b | 0a 2d 20 20 20 20 70 72 |*scp;.-{|.-    pr|
|00004760| 5f 70 75 74 63 6f 6c 6f | 72 6d 61 70 28 20 64 69 |_putcolo|rmap( di|
|00004770| 73 70 5f 70 72 2c 20 30 | 2c 20 32 35 36 2c 20 6f |sp_pr, 0|, 256, o|
|00004780| 6c 64 72 65 64 2c 20 6f | 6c 64 67 72 65 65 6e 2c |ldred, o|ldgreen,|
|00004790| 20 6f 6c 64 62 6c 75 65 | 20 29 3b 0a 2d 20 20 20 | oldblue| );.-   |
|000047a0| 20 70 72 5f 73 65 74 5f | 70 6c 61 6e 65 5f 67 72 | pr_set_|plane_gr|
|000047b0| 6f 75 70 28 20 64 69 73 | 70 5f 70 72 2c 20 6f 6c |oup( dis|p_pr, ol|
|000047c0| 64 70 6c 61 6e 65 73 20 | 29 3b 0a 2d 20 20 20 20 |dplanes |);.-    |
|000047d0| 70 72 5f 72 6f 70 28 20 | 64 69 73 70 5f 70 72 2c |pr_rop( |disp_pr,|
|000047e0| 20 30 2c 20 30 2c 20 64 | 69 73 70 5f 70 72 2d 3e | 0, 0, d|isp_pr->|
|000047f0| 70 72 5f 73 69 7a 65 2e | 78 2c 20 64 69 73 70 5f |pr_size.|x, disp_|
|00004800| 70 72 2d 3e 70 72 5f 73 | 69 7a 65 2e 79 2c 0a 2d |pr->pr_s|ize.y,.-|
|00004810| 09 20 20 20 20 20 20 20 | 20 20 20 20 20 20 50 49 |.       |      PI|
|00004820| 58 5f 43 4c 52 2c 20 30 | 2c 20 30 2c 20 30 20 29 |X_CLR, 0|, 0, 0 )|
|00004830| 3b 0a 2d 20 20 20 20 65 | 78 69 74 28 20 30 20 29 |;.-    e|xit( 0 )|
|00004840| 3b 0a 2d 0a 2d 7d 20 2f | 2a 20 74 65 72 6d 69 6e |;.-.-} /|* termin|
|00004850| 61 74 65 20 2a 2f 0a 2d | 0a 5f 45 5f 4f 5f 46 5f |ate */.-|._E_O_F_|
|00004860| 0a 69 66 20 74 65 73 74 | 20 31 36 35 31 30 20 2d |.if test| 16510 -|
|00004870| 6e 65 20 60 77 63 20 2d | 63 20 3c 20 67 69 66 32 |ne `wc -|c < gif2|
|00004880| 72 2e 63 20 60 3b 20 74 | 68 65 6e 0a 09 65 63 68 |r.c `; t|hen..ech|
|00004890| 6f 20 73 68 61 72 3a 20 | 22 27 67 69 66 32 72 2e |o shar: |"'gif2r.|
|000048a0| 63 27 22 20 75 6e 70 61 | 63 6b 65 64 20 77 69 74 |c'" unpa|cked wit|
|000048b0| 68 20 77 72 6f 6e 67 20 | 73 69 7a 65 21 0a 66 69 |h wrong |size!.fi|
|000048c0| 0a 65 63 68 6f 20 73 68 | 61 72 3a 20 65 78 74 72 |.echo sh|ar: extr|
|000048d0| 61 63 74 69 6e 67 20 67 | 69 66 32 72 61 73 2e 63 |acting g|if2ras.c|
|000048e0| 0a 69 66 20 74 65 73 74 | 20 2d 66 20 27 67 69 66 |.if test| -f 'gif|
|000048f0| 32 72 61 73 2e 63 27 0a | 74 68 65 6e 0a 09 65 63 |2ras.c'.|then..ec|
|00004900| 68 6f 20 73 68 61 72 3a | 20 6f 76 65 72 2d 77 72 |ho shar:| over-wr|
|00004910| 69 74 69 6e 67 20 65 78 | 69 73 74 69 6e 67 20 66 |iting ex|isting f|
|00004920| 69 6c 65 20 22 27 67 69 | 66 32 72 61 73 2e 63 27 |ile "'gi|f2ras.c'|
|00004930| 22 0a 66 69 0a 73 65 64 | 20 2d 65 20 27 73 2f 5e |".fi.sed| -e 's/^|
|00004940| 2d 2f 2f 27 20 3c 3c 20 | 5c 5f 45 5f 4f 5f 46 5f |-//' << |\_E_O_F_|
|00004950| 20 3e 20 67 69 66 32 72 | 61 73 2e 63 0a 2d 2f 2a | > gif2r|as.c.-/*|
|00004960| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004970| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004980| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 0a 2d 20 2a |********|****.- *|
|00004990| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 47 49 46 |        |     GIF|
|000049a0| 20 74 6f 20 53 55 4e 20 | 72 61 73 74 65 72 66 69 | to SUN |rasterfi|
|000049b0| 6c 65 20 20 20 20 20 20 | 20 20 20 2a 0a 2d 20 2a |le      |   *.- *|
|000049c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000049d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000049e0| 20 20 20 20 20 20 20 20 | 20 20 20 2a 0a 2d 20 2a |        |   *.- *|
|000049f0| 20 20 20 20 20 20 4d 61 | 72 63 68 20 32 33 20 31 |      Ma|rch 23 1|
|00004a00| 39 38 39 20 42 79 20 4d | 61 72 63 65 6c 20 4a 2e |989 By M|arcel J.|
|00004a10| 45 2e 20 4d 6f 6c 20 20 | 20 20 20 2a 0a 2d 20 2a |E. Mol  |   *.- *|
|00004a20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004a30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004a40| 20 20 20 20 20 20 20 20 | 20 20 20 2a 0a 2d 20 2a |        |   *.- *|
|00004a50| 20 49 20 68 65 72 65 62 | 79 20 70 6c 61 63 65 20 | I hereb|y place |
|00004a60| 74 68 69 73 20 70 72 6f | 67 72 61 6d 20 20 20 20 |this pro|gram    |
|00004a70| 20 20 20 20 20 20 20 20 | 20 20 20 2a 0a 2d 20 2a |        |   *.- *|
|00004a80| 20 69 6e 20 74 68 65 20 | 70 75 62 6c 69 63 20 64 | in the |public d|
|00004a90| 6f 6d 61 69 6e 2c 20 69 | 2e 65 2e 20 74 68 65 72 |omain, i|.e. ther|
|00004aa0| 65 20 61 72 65 20 6e 6f | 20 20 20 2a 0a 2d 20 2a |e are no|   *.- *|
|00004ab0| 20 63 6f 70 79 69 6e 67 | 20 72 65 73 74 72 69 63 | copying| restric|
|00004ac0| 74 69 6f 6e 73 20 6f 66 | 20 61 6e 79 20 6b 69 6e |tions of| any kin|
|00004ad0| 64 2e 20 20 20 20 20 20 | 20 20 20 2a 0a 2d 20 2a |d.      |   *.- *|
|00004ae0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004af0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004b00| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2f 0a 2d 0a |********|****/.-.|
|00004b10| 2d 2f 2a 20 0a 2d 20 2a | 20 55 73 61 67 65 3a 0a |-/* .- *| Usage:.|
|00004b20| 2d 20 2a 20 20 20 20 20 | 20 20 20 67 69 66 32 72 |- *     |   gif2r|
|00004b30| 61 73 20 3c 67 69 66 2d | 66 69 6c 65 3e 0a 2d 20 |as <gif-|file>.- |
|00004b40| 2a 20 0a 2d 20 2a 20 43 | 6f 6d 70 69 6c 65 3a 0a |* .- * C|ompile:.|
|00004b50| 2d 20 2a 20 20 20 20 20 | 20 20 20 20 20 63 63 20 |- *     |     cc |
|00004b60| 67 69 66 32 72 61 73 2e | 63 20 2d 6f 20 67 69 66 |gif2ras.|c -o gif|
|00004b70| 32 72 61 73 20 2d 6c 70 | 69 78 72 65 63 74 0a 2d |2ras -lp|ixrect.-|
|00004b80| 20 2a 20 0a 2d 20 2a 2f | 20 0a 2d 0a 2d 0a 2d 23 | * .- */| .-.-.-#|
|00004b90| 69 6e 63 6c 75 64 65 20 | 3c 73 74 64 69 6f 2e 68 |include |<stdio.h|
|00004ba0| 3e 0a 2d 23 69 6e 63 6c | 75 64 65 09 3c 72 61 73 |>.-#incl|ude.<ras|
|00004bb0| 74 65 72 66 69 6c 65 2e | 68 3e 0a 2d 0a 2d 63 68 |terfile.|h>.-.-ch|
|00004bc0| 61 72 20 2a 6d 61 6c 6c | 6f 63 28 29 3b 0a 2d 69 |ar *mall|oc();.-i|
|00004bd0| 6e 74 20 73 74 72 6e 63 | 6d 70 28 29 3b 0a 2d 0a |nt strnc|mp();.-.|
|00004be0| 2d 23 64 65 66 69 6e 65 | 20 46 41 4c 53 45 20 30 |-#define| FALSE 0|
|00004bf0| 0a 2d 23 64 65 66 69 6e | 65 20 54 52 55 45 20 31 |.-#defin|e TRUE 1|
|00004c00| 0a 2d 23 64 65 66 69 6e | 65 20 43 4f 4c 53 49 5a |.-#defin|e COLSIZ|
|00004c10| 45 20 32 35 36 0a 2d 23 | 64 65 66 69 6e 65 20 50 |E 256.-#|define P|
|00004c20| 49 43 53 49 5a 45 20 32 | 3b 0a 2d 23 64 65 66 69 |ICSIZE 2|;.-#defi|
|00004c30| 6e 65 20 53 48 4f 57 43 | 4f 55 4e 54 20 31 30 3b |ne SHOWC|OUNT 10;|
|00004c40| 0a 2d 0a 2d 0a 2d 2f 2a | 0a 2d 20 2a 20 52 61 73 |.-.-.-/*|.- * Ras|
|00004c50| 74 65 72 66 69 6c 65 20 | 76 61 72 69 61 62 6c 65 |terfile |variable|
|00004c60| 73 20 0a 2d 20 2a 2f 0a | 2d 73 74 72 75 63 74 20 |s .- */.|-struct |
|00004c70| 72 61 73 74 65 72 66 69 | 6c 65 09 68 65 61 64 65 |rasterfi|le.heade|
|00004c80| 72 3b 0a 2d 0a 2d 2f 2a | 0a 2d 20 2a 20 4c 5a 57 |r;.-.-/*|.- * LZW|
|00004c90| 20 73 74 72 75 63 74 75 | 72 65 73 20 61 6e 64 20 | structu|res and |
|00004ca0| 76 61 72 69 61 62 6c 65 | 73 0a 2d 20 2a 2f 0a 2d |variable|s.- */.-|
|00004cb0| 74 79 70 65 64 65 66 20 | 69 6e 74 20 62 6f 6f 6c |typedef |int bool|
|00004cc0| 3b 0a 2d 75 6e 73 69 67 | 6e 65 64 20 63 68 61 72 |;.-unsig|ned char|
|00004cd0| 20 2a 73 74 61 63 6b 70 | 3b 0a 2d 75 6e 73 69 67 | *stackp|;.-unsig|
|00004ce0| 6e 65 64 20 69 6e 74 20 | 70 72 65 66 69 78 5b 34 |ned int |prefix[4|
|00004cf0| 30 39 36 5d 3b 0a 2d 75 | 6e 73 69 67 6e 65 64 20 |096];.-u|nsigned |
|00004d00| 63 68 61 72 20 73 75 66 | 66 69 78 5b 34 30 39 36 |char suf|fix[4096|
|00004d10| 5d 3b 0a 2d 75 6e 73 69 | 67 6e 65 64 20 63 68 61 |];.-unsi|gned cha|
|00004d20| 72 20 73 74 61 63 6b 5b | 34 30 39 36 5d 3b 0a 2d |r stack[|4096];.-|
|00004d30| 69 6e 74 20 64 61 74 61 | 73 69 7a 65 2c 63 6f 64 |int data|size,cod|
|00004d40| 65 73 69 7a 65 2c 63 6f | 64 65 6d 61 73 6b 3b 20 |esize,co|demask; |
|00004d50| 20 20 20 20 2f 2a 20 44 | 65 63 6f 64 65 72 20 77 |    /* D|ecoder w|
|00004d60| 6f 72 6b 69 6e 67 20 76 | 61 72 69 61 62 6c 65 73 |orking v|ariables|
|00004d70| 20 2a 2f 0a 2d 69 6e 74 | 20 63 6c 65 61 72 2c 65 | */.-int| clear,e|
|00004d80| 6f 69 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |oi;     |        |
|00004d90| 20 20 20 20 20 20 20 20 | 20 2f 2a 20 53 70 65 63 |        | /* Spec|
|00004da0| 69 61 6c 20 63 6f 64 65 | 20 76 61 6c 75 65 73 20 |ial code| values |
|00004db0| 2a 2f 0a 2d 69 6e 74 20 | 61 76 61 69 6c 3b 0a 2d |*/.-int |avail;.-|
|00004dc0| 69 6e 74 20 6f 6c 64 63 | 6f 64 65 3b 0a 2d 0a 2d |int oldc|ode;.-.-|
|00004dd0| 2f 2a 0a 2d 20 2a 20 47 | 49 46 20 76 61 72 69 61 |/*.- * G|IF varia|
|00004de0| 62 6c 65 73 0a 2d 20 2a | 2f 0a 2d 46 49 4c 45 20 |bles.- *|/.-FILE |
|00004df0| 2a 69 6e 66 69 6c 65 3b | 0a 2d 75 6e 73 69 67 6e |*infile;|.-unsign|
|00004e00| 65 64 20 69 6e 74 20 73 | 63 72 65 65 6e 77 69 64 |ed int s|creenwid|
|00004e10| 74 68 3b 20 20 20 20 20 | 20 20 20 20 20 20 2f 2a |th;     |      /*|
|00004e20| 20 54 68 65 20 64 69 6d | 65 6e 73 69 6f 6e 73 20 | The dim|ensions |
|00004e30| 6f 66 20 74 68 65 20 73 | 63 72 65 65 6e 20 2a 2f |of the s|creen */|
|00004e40| 0a 2d 75 6e 73 69 67 6e | 65 64 20 69 6e 74 20 73 |.-unsign|ed int s|
|00004e50| 63 72 65 65 6e 68 65 69 | 67 68 74 3b 20 20 20 20 |creenhei|ght;    |
|00004e60| 20 20 20 20 20 20 2f 2a | 20 20 20 28 6e 6f 74 20 |      /*|   (not |
|00004e70| 74 68 6f 73 65 20 6f 66 | 20 74 68 65 20 69 6d 61 |those of| the ima|
|00004e80| 67 65 29 20 20 20 2a 2f | 0a 2d 75 6e 73 69 67 6e |ge)   */|.-unsign|
|00004e90| 65 64 20 69 6e 74 20 72 | 73 63 72 65 65 6e 77 69 |ed int r|screenwi|
|00004ea0| 64 74 68 3b 20 20 20 20 | 20 20 20 20 20 20 2f 2a |dth;    |      /*|
|00004eb0| 20 54 68 65 20 64 69 6d | 65 6e 73 69 6f 6e 73 20 | The dim|ensions |
|00004ec0| 6f 66 20 74 68 65 20 72 | 61 73 74 65 72 20 2a 2f |of the r|aster */|
|00004ed0| 0a 2d 62 6f 6f 6c 20 67 | 6c 6f 62 61 6c 3b 20 20 |.-bool g|lobal;  |
|00004ee0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004ef0| 20 20 20 20 20 20 2f 2a | 20 49 73 20 74 68 65 72 |      /*| Is ther|
|00004f00| 65 20 61 20 67 6c 6f 62 | 61 6c 20 63 6f 6c 6f 72 |e a glob|al color|
|00004f10| 20 6d 61 70 3f 20 2a 2f | 0a 2d 69 6e 74 20 67 6c | map? */|.-int gl|
|00004f20| 6f 62 61 6c 62 69 74 73 | 3b 20 20 20 20 20 20 20 |obalbits|;       |
|00004f30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2a |        |      /*|
|00004f40| 20 4e 75 6d 62 65 72 20 | 6f 66 20 62 69 74 73 20 | Number |of bits |
|00004f50| 6f 66 20 67 6c 6f 62 61 | 6c 20 63 6f 6c 6f 72 73 |of globa|l colors|
|00004f60| 20 2a 2f 0a 2d 75 6e 73 | 69 67 6e 65 64 20 63 68 | */.-uns|igned ch|
|00004f70| 61 72 20 67 6c 6f 62 61 | 6c 6d 61 70 5b 43 4f 4c |ar globa|lmap[COL|
|00004f80| 53 49 5a 45 5d 5b 33 5d | 3b 2f 2a 20 52 47 42 20 |SIZE][3]|;/* RGB |
|00004f90| 76 61 6c 75 65 73 20 66 | 6f 72 20 67 6c 6f 62 61 |values f|or globa|
|00004fa0| 6c 20 63 6f 6c 6f 72 20 | 6d 61 70 20 2a 2f 0a 2d |l color |map */.-|
|00004fb0| 63 68 61 72 20 62 67 63 | 6f 6c 6f 72 3b 20 20 20 |char bgc|olor;   |
|00004fc0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004fd0| 20 20 20 20 2f 2a 20 62 | 61 63 6b 67 72 6f 75 6e |    /* b|ackgroun|
|00004fe0| 64 20 63 6f 6c 6f 72 20 | 2a 2f 0a 2d 75 6e 73 69 |d color |*/.-unsi|
|00004ff0| 67 6e 65 64 20 63 68 61 | 72 20 2a 72 61 73 74 65 |gned cha|r *raste|
|00005000| 72 3b 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |r;      |        |
|00005010| 2f 2a 20 44 65 63 6f 64 | 65 64 20 69 6d 61 67 65 |/* Decod|ed image|
|00005020| 20 64 61 74 61 20 2a 2f | 0a 2d 75 6e 73 69 67 6e | data */|.-unsign|
|00005030| 65 64 20 6c 65 66 74 2c | 74 6f 70 2c 77 69 64 74 |ed left,|top,widt|
|00005040| 68 2c 68 65 69 67 68 74 | 2c 72 77 69 64 74 68 3b |h,height|,rwidth;|
|00005050| 0a 2d 0a 2d 63 68 61 72 | 20 2a 70 72 6f 67 6e 61 |.-.-char| *progna|
|00005060| 6d 65 3b 0a 2d 63 68 61 | 72 20 2a 66 69 6c 65 6e |me;.-cha|r *filen|
|00005070| 61 6d 65 3b 0a 2d 0a 2d | 76 6f 69 64 20 63 6f 6e |ame;.-.-|void con|
|00005080| 76 65 72 74 28 29 3b 0a | 2d 69 6e 74 20 20 63 68 |vert();.|-int  ch|
|00005090| 65 63 6b 73 69 67 6e 61 | 74 75 72 65 28 29 3b 0a |ecksigna|ture();.|
|000050a0| 2d 76 6f 69 64 20 72 65 | 61 64 73 63 72 65 65 6e |-void re|adscreen|
|000050b0| 28 29 3b 0a 2d 69 6e 74 | 20 20 72 65 61 64 69 6d |();.-int|  readim|
|000050c0| 61 67 65 28 29 3b 0a 2d | 76 6f 69 64 20 72 65 61 |age();.-|void rea|
|000050d0| 64 65 78 74 65 6e 73 69 | 6f 6e 28 29 3b 0a 2d 69 |dextensi|on();.-i|
|000050e0| 6e 74 20 20 72 65 61 64 | 72 61 73 74 65 72 28 29 |nt  read|raster()|
|000050f0| 3b 0a 2d 69 6e 74 20 20 | 70 72 6f 63 65 73 73 28 |;.-int  |process(|
|00005100| 29 3b 0a 2d 76 6f 69 64 | 20 6f 75 74 63 6f 64 65 |);.-void| outcode|
|00005110| 28 29 3b 0a 2d 76 6f 69 | 64 20 69 6e 69 74 72 61 |();.-voi|d initra|
|00005120| 73 74 65 72 28 29 3b 0a | 2d 76 6f 69 64 20 69 6e |ster();.|-void in|
|00005130| 69 74 63 6f 6c 6f 72 73 | 28 29 3b 0a 2d 69 6e 74 |itcolors|();.-int|
|00005140| 20 20 72 61 73 74 65 72 | 69 7a 65 28 29 3b 0a 2d |  raster|ize();.-|
|00005150| 76 6f 69 64 20 75 73 61 | 67 65 28 29 3b 0a 2d 0a |void usa|ge();.-.|
|00005160| 2d 0a 2d 0a 2d 0a 2d 6d | 61 69 6e 28 61 72 67 63 |-.-.-.-m|ain(argc|
|00005170| 2c 61 72 67 76 29 0a 2d | 69 6e 74 20 61 72 67 63 |,argv).-|int argc|
|00005180| 3b 0a 2d 63 68 61 72 20 | 2a 61 72 67 76 5b 5d 3b |;.-char |*argv[];|
|00005190| 0a 2d 7b 0a 2d 20 20 20 | 20 65 78 74 65 72 6e 20 |.-{.-   | extern |
|000051a0| 69 6e 74 20 6f 70 74 69 | 6e 64 3b 0a 2d 20 20 20 |int opti|nd;.-   |
|000051b0| 20 65 78 74 65 72 6e 20 | 63 68 61 72 20 2a 6f 70 | extern |char *op|
|000051c0| 74 61 72 67 3b 0a 2d 20 | 20 20 20 69 6e 74 20 66 |targ;.- |   int f|
|000051d0| 6c 61 67 3b 0a 2d 0a 2d | 20 20 20 20 70 72 6f 67 |lag;.-.-|    prog|
|000051e0| 6e 61 6d 65 20 3d 20 2a | 61 72 67 76 3b 0a 2d 0a |name = *|argv;.-.|
|000051f0| 2d 20 20 20 20 77 68 69 | 6c 65 20 28 28 66 6c 61 |-    whi|le ((fla|
|00005200| 67 20 3d 20 67 65 74 6f | 70 74 28 61 72 67 63 2c |g = geto|pt(argc,|
|00005210| 20 61 72 67 76 2c 20 22 | 22 29 29 20 21 3d 20 45 | argv, "|")) != E|
|00005220| 4f 46 29 20 7b 0a 2d 20 | 20 20 20 20 20 20 20 73 |OF) {.- |       s|
|00005230| 77 69 74 63 68 20 28 66 | 6c 61 67 29 20 7b 0a 2d |witch (f|lag) {.-|
|00005240| 20 20 20 20 20 20 20 20 | 20 20 20 20 64 65 66 61 |        |    defa|
|00005250| 75 6c 74 20 20 3a 20 66 | 70 72 69 6e 74 66 28 73 |ult  : f|printf(s|
|00005260| 74 64 65 72 72 2c 20 22 | 69 67 6e 6f 72 69 6e 67 |tderr, "|ignoring|
|00005270| 20 75 6e 6b 6e 6f 77 6e | 20 66 6c 61 67 20 25 63 | unknown| flag %c|
|00005280| 5c 6e 22 2c 20 66 6c 61 | 67 29 3b 0a 2d 20 20 20 |\n", fla|g);.-   |
|00005290| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000052a0| 20 20 20 20 75 73 61 67 | 65 28 29 3b 0a 2d 20 20 |    usag|e();.-  |
|000052b0| 20 20 20 20 20 20 7d 0a | 2d 20 20 20 20 7d 0a 2d |      }.|-    }.-|
|000052c0| 0a 2d 20 20 20 20 69 66 | 20 28 6f 70 74 69 6e 64 |.-    if| (optind|
|000052d0| 20 3e 3d 20 61 72 67 63 | 29 20 7b 0a 2d 20 20 20 | >= argc|) {.-   |
|000052e0| 20 20 20 20 20 66 69 6c | 65 6e 61 6d 65 20 3d 20 |     fil|ename = |
|000052f0| 22 73 74 64 69 6e 22 3b | 0a 2d 20 20 20 20 20 20 |"stdin";|.-      |
|00005300| 20 20 63 6f 6e 76 65 72 | 74 28 29 3b 0a 2d 20 20 |  conver|t();.-  |
|00005310| 20 20 7d 0a 2d 20 20 20 | 20 65 6c 73 65 20 7b 0a |  }.-   | else {.|
|00005320| 2d 20 20 20 20 20 20 20 | 20 66 69 6c 65 6e 61 6d |-       | filenam|
|00005330| 65 20 3d 20 61 72 67 76 | 5b 31 5d 3b 0a 2d 20 20 |e = argv|[1];.-  |
|00005340| 20 20 20 20 20 20 69 66 | 20 28 28 69 6e 66 69 6c |      if| ((infil|
|00005350| 65 20 3d 20 66 6f 70 65 | 6e 28 66 69 6c 65 6e 61 |e = fope|n(filena|
|00005360| 6d 65 2c 22 72 22 29 29 | 20 3d 3d 20 4e 55 4c 4c |me,"r"))| == NULL|
|00005370| 29 20 7b 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |) {.-   |        |
|00005380| 20 70 65 72 72 6f 72 28 | 66 69 6c 65 6e 61 6d 65 | perror(|filename|
|00005390| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |);.-    |        |
|000053a0| 65 78 69 74 28 31 29 3b | 0a 2d 20 20 20 20 20 20 |exit(1);|.-      |
|000053b0| 20 20 7d 0a 2d 20 20 20 | 20 20 20 20 20 63 6f 6e |  }.-   |     con|
|000053c0| 76 65 72 74 28 29 3b 0a | 2d 20 20 20 20 20 20 20 |vert();.|-       |
|000053d0| 20 66 63 6c 6f 73 65 28 | 69 6e 66 69 6c 65 29 3b | fclose(|infile);|
|000053e0| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 20 20 20 |.-    }.|-       |
|000053f0| 20 0a 2d 23 69 66 20 64 | 65 66 69 6e 65 64 28 41 | .-#if d|efined(A|
|00005400| 52 47 53 29 0a 2d 20 20 | 20 65 6c 73 65 0a 2d 20 |RGS).-  | else.- |
|00005410| 20 20 20 20 20 20 20 77 | 68 69 6c 65 20 28 6f 70 |       w|hile (op|
|00005420| 74 69 6e 64 20 3c 20 61 | 72 67 63 29 20 7b 0a 2d |tind < a|rgc) {.-|
|00005430| 20 20 20 20 20 20 20 20 | 20 20 20 20 66 69 6c 65 |        |    file|
|00005440| 6e 61 6d 65 20 3d 20 61 | 72 67 76 5b 6f 70 74 69 |name = a|rgv[opti|
|00005450| 6e 64 5d 3b 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |nd];.-  |        |
|00005460| 20 20 6f 70 74 69 6e 64 | 2b 2b 3b 0a 2d 20 20 20 |  optind|++;.-   |
|00005470| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 28 69 6e |        | if ((in|
|00005480| 66 69 6c 65 20 3d 20 66 | 6f 70 65 6e 28 66 69 6c |file = f|open(fil|
|00005490| 65 6e 61 6d 65 2c 22 72 | 22 29 29 20 3d 3d 20 4e |ename,"r|")) == N|
|000054a0| 55 4c 4c 29 20 7b 0a 2d | 20 20 20 20 20 20 20 20 |ULL) {.-|        |
|000054b0| 20 20 20 20 20 20 20 20 | 70 65 72 72 6f 72 28 66 |        |perror(f|
|000054c0| 69 6c 65 6e 61 6d 65 29 | 3b 0a 2d 20 20 20 20 20 |ilename)|;.-     |
|000054d0| 20 20 20 20 20 20 20 20 | 20 20 20 63 6f 6e 74 69 |        |   conti|
|000054e0| 6e 75 65 3b 0a 2d 20 20 | 20 20 20 20 20 20 20 20 |nue;.-  |        |
|000054f0| 20 20 7d 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |  }.-   |        |
|00005500| 20 63 6f 6e 76 65 72 74 | 28 29 3b 0a 2d 20 20 20 | convert|();.-   |
|00005510| 20 20 20 20 20 20 20 20 | 20 66 63 6c 6f 73 65 28 |        | fclose(|
|00005520| 69 6e 66 69 6c 65 29 3b | 0a 2d 20 20 20 20 20 20 |infile);|.-      |
|00005530| 20 20 7d 0a 2d 23 65 6e | 64 69 66 0a 2d 0a 2d 7d |  }.-#en|dif.-.-}|
|00005540| 20 2f 2a 20 6d 61 69 6e | 20 2a 2f 0a 2d 0a 2d 0a | /* main| */.-.-.|
|00005550| 2d 0a 2d 76 6f 69 64 20 | 63 6f 6e 76 65 72 74 28 |-.-void |convert(|
|00005560| 29 0a 2d 7b 0a 2d 20 20 | 20 20 63 68 61 72 20 63 |).-{.-  |  char c|
|00005570| 68 3b 0a 2d 0a 2d 2f 2a | 20 20 20 20 66 70 72 69 |h;.-.-/*|    fpri|
|00005580| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 25 73 3a |ntf(stde|rr, "%s:|
|00005590| 5c 6e 22 2c 20 66 69 6c | 65 6e 61 6d 65 29 3b 20 |\n", fil|ename); |
|000055a0| 2a 2f 0a 2d 20 20 20 20 | 69 66 20 28 63 68 65 63 |*/.-    |if (chec|
|000055b0| 6b 73 69 67 6e 61 74 75 | 72 65 28 29 29 0a 2d 20 |ksignatu|re()).- |
|000055c0| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 3b 0a 2d |       r|eturn;.-|
|000055d0| 20 20 20 20 72 65 61 64 | 73 63 72 65 65 6e 28 29 |    read|screen()|
|000055e0| 3b 0a 2d 20 20 20 20 77 | 68 69 6c 65 20 28 28 63 |;.-    w|hile ((c|
|000055f0| 68 20 3d 20 67 65 74 63 | 28 69 6e 66 69 6c 65 29 |h = getc|(infile)|
|00005600| 29 20 21 3d 20 27 3b 27 | 20 26 26 20 63 68 20 21 |) != ';'| && ch !|
|00005610| 3d 20 45 4f 46 29 20 7b | 0a 2d 20 20 20 20 20 20 |= EOF) {|.-      |
|00005620| 20 20 73 77 69 74 63 68 | 20 28 63 68 29 20 7b 0a |  switch| (ch) {.|
|00005630| 2d 20 20 20 20 20 20 20 | 20 20 20 20 20 63 61 73 |-       |     cas|
|00005640| 65 20 27 5c 30 27 3a 20 | 20 62 72 65 61 6b 3b 20 |e '\0': | break; |
|00005650| 20 2f 2a 20 74 68 69 73 | 20 6b 6c 75 64 67 65 20 | /* this| kludge |
|00005660| 66 6f 72 20 6e 6f 6e 2d | 73 74 61 6e 64 61 72 64 |for non-|standard|
|00005670| 20 66 69 6c 65 73 20 2a | 2f 0a 2d 20 20 20 20 20 | files *|/.-     |
|00005680| 20 20 20 20 20 20 20 63 | 61 73 65 20 27 2c 27 3a |       c|ase ',':|
|00005690| 20 20 20 69 66 20 28 72 | 65 61 64 69 6d 61 67 65 |   if (r|eadimage|
|000056a0| 28 29 29 0a 2d 20 20 20 | 20 20 20 20 20 20 20 20 |()).-   |        |
|000056b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000056c0| 72 65 74 75 72 6e 3b 0a | 2d 20 20 20 20 20 20 20 |return;.|-       |
|000056d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000056e0| 20 62 72 65 61 6b 3b 0a | 2d 20 20 20 20 20 20 20 | break;.|-       |
|000056f0| 20 20 20 20 20 63 61 73 | 65 20 27 21 27 3a 20 20 |     cas|e '!':  |
|00005700| 20 72 65 61 64 65 78 74 | 65 6e 73 69 6f 6e 28 29 | readext|ension()|
|00005710| 3b 0a 2d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;.-     |        |
|00005720| 20 20 20 20 20 20 20 20 | 20 20 20 62 72 65 61 6b |        |   break|
|00005730| 3b 0a 2d 20 20 20 20 20 | 20 20 20 20 20 20 20 64 |;.-     |       d|
|00005740| 65 66 61 75 6c 74 3a 20 | 20 20 20 66 70 72 69 6e |efault: |   fprin|
|00005750| 74 66 28 73 74 64 65 72 | 72 2c 20 22 69 6c 6c 65 |tf(stder|r, "ille|
|00005760| 67 61 6c 20 47 49 46 20 | 62 6c 6f 63 6b 20 74 79 |gal GIF |block ty|
|00005770| 70 65 5c 6e 22 29 3b 0a | 2d 20 20 20 20 20 20 20 |pe\n");.|-       |
|00005780| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005790| 20 72 65 74 75 72 6e 3b | 0a 2d 20 20 20 20 20 20 | return;|.-      |
|000057a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000057b0| 20 20 62 72 65 61 6b 3b | 0a 2d 20 20 20 20 20 20 |  break;|.-      |
|000057c0| 20 20 7d 0a 2d 20 20 20 | 20 7d 0a 2d 0a 2d 7d 20 |  }.-   | }.-.-} |
|000057d0| 2f 2a 20 63 6f 6e 76 65 | 72 74 20 2a 2f 0a 2d 0a |/* conve|rt */.-.|
|000057e0| 2d 0a 2d 0a 2d 63 68 65 | 63 6b 73 69 67 6e 61 74 |-.-.-che|cksignat|
|000057f0| 75 72 65 28 29 0a 2d 7b | 0a 2d 20 20 20 20 63 68 |ure().-{|.-    ch|
|00005800| 61 72 20 62 75 66 5b 36 | 5d 3b 0a 2d 0a 2d 20 20 |ar buf[6|];.-.-  |
|00005810| 20 20 66 72 65 61 64 28 | 62 75 66 2c 31 2c 36 2c |  fread(|buf,1,6,|
|00005820| 69 6e 66 69 6c 65 29 3b | 0a 2d 20 20 20 20 69 66 |infile);|.-    if|
|00005830| 20 28 73 74 72 6e 63 6d | 70 28 62 75 66 2c 22 47 | (strncm|p(buf,"G|
|00005840| 49 46 22 2c 33 29 29 20 | 7b 0a 2d 20 20 20 20 20 |IF",3)) |{.-     |
|00005850| 20 20 20 66 70 72 69 6e | 74 66 28 73 74 64 65 72 |   fprin|tf(stder|
|00005860| 72 2c 20 22 66 69 6c 65 | 20 69 73 20 6e 6f 74 20 |r, "file| is not |
|00005870| 61 20 47 49 46 20 66 69 | 6c 65 5c 6e 22 29 3b 0a |a GIF fi|le\n");.|
|00005880| 2d 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |-       | return |
|00005890| 31 3b 0a 2d 20 20 20 20 | 7d 0a 2d 20 20 20 20 69 |1;.-    |}.-    i|
|000058a0| 66 20 28 73 74 72 6e 63 | 6d 70 28 26 62 75 66 5b |f (strnc|mp(&buf[|
|000058b0| 33 5d 2c 22 38 37 61 22 | 2c 33 29 29 20 7b 0a 2d |3],"87a"|,3)) {.-|
|000058c0| 20 20 20 20 20 20 20 20 | 66 70 72 69 6e 74 66 28 |        |fprintf(|
|000058d0| 73 74 64 65 72 72 2c 20 | 22 75 6e 6b 6e 6f 77 6e |stderr, |"unknown|
|000058e0| 20 47 49 46 20 76 65 72 | 73 69 6f 6e 20 6e 75 6d | GIF ver|sion num|
|000058f0| 62 65 72 5c 6e 22 29 3b | 0a 2d 20 20 20 20 20 20 |ber\n");|.-      |
|00005900| 20 20 72 65 74 75 72 6e | 20 31 3b 0a 2d 20 20 20 |  return| 1;.-   |
|00005910| 20 7d 0a 2d 20 20 20 20 | 72 65 74 75 72 6e 20 30 | }.-    |return 0|
|00005920| 3b 0a 2d 0a 2d 7d 20 2f | 2a 20 63 68 65 63 6b 73 |;.-.-} /|* checks|
|00005930| 69 67 6e 61 74 75 72 65 | 20 2a 2f 0a 2d 0a 2d 0a |ignature| */.-.-.|
|00005940| 2d 0a 2d 2f 2a 0a 2d 20 | 2a 20 47 65 74 20 69 6e |-.-/*.- |* Get in|
|00005950| 66 6f 72 6d 61 74 69 6f | 6e 20 77 68 69 63 68 20 |formatio|n which |
|00005960| 69 73 20 67 6c 6f 62 61 | 6c 20 74 6f 20 61 6c 6c |is globa|l to all|
|00005970| 20 74 68 65 20 69 6d 61 | 67 65 73 20 73 74 6f 72 | the ima|ges stor|
|00005980| 65 64 20 69 6e 20 74 68 | 65 20 66 69 6c 65 0a 2d |ed in th|e file.-|
|00005990| 20 2a 2f 0a 2d 0a 2d 76 | 6f 69 64 20 72 65 61 64 | */.-.-v|oid read|
|000059a0| 73 63 72 65 65 6e 28 29 | 0a 2d 7b 0a 2d 20 20 20 |screen()|.-{.-   |
|000059b0| 20 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 62 | unsigne|d char b|
|000059c0| 75 66 5b 37 5d 3b 0a 2d | 0a 2d 20 20 20 20 66 72 |uf[7];.-|.-    fr|
|000059d0| 65 61 64 28 62 75 66 2c | 31 2c 37 2c 69 6e 66 69 |ead(buf,|1,7,infi|
|000059e0| 6c 65 29 3b 0a 2d 20 20 | 20 20 73 63 72 65 65 6e |le);.-  |  screen|
|000059f0| 77 69 64 74 68 20 3d 20 | 62 75 66 5b 30 5d 20 2b |width = |buf[0] +|
|00005a00| 20 28 62 75 66 5b 31 5d | 20 3c 3c 20 38 29 3b 0a | (buf[1]| << 8);.|
|00005a10| 2d 20 20 20 20 72 73 63 | 72 65 65 6e 77 69 64 74 |-    rsc|reenwidt|
|00005a20| 68 20 3d 20 73 63 72 65 | 65 6e 77 69 64 74 68 20 |h = scre|enwidth |
|00005a30| 2b 20 73 63 72 65 65 6e | 77 69 64 74 68 25 32 3b |+ screen|width%2;|
|00005a40| 20 2f 2a 20 63 6f 6d 70 | 65 6e 73 61 74 65 20 6f | /* comp|ensate o|
|00005a50| 64 64 20 77 69 64 74 68 | 73 20 2a 2f 0a 2d 20 20 |dd width|s */.-  |
|00005a60| 20 20 73 63 72 65 65 6e | 68 65 69 67 68 74 20 3d |  screen|height =|
|00005a70| 20 62 75 66 5b 32 5d 20 | 2b 20 28 62 75 66 5b 33 | buf[2] |+ (buf[3|
|00005a80| 5d 20 3c 3c 20 38 29 3b | 0a 2d 20 20 20 20 67 6c |] << 8);|.-    gl|
|00005a90| 6f 62 61 6c 20 3d 20 62 | 75 66 5b 34 5d 20 26 20 |obal = b|uf[4] & |
|00005aa0| 30 78 38 30 3b 0a 2d 20 | 20 20 20 69 66 20 28 67 |0x80;.- |   if (g|
|00005ab0| 6c 6f 62 61 6c 29 20 7b | 0a 2d 20 20 20 20 20 20 |lobal) {|.-      |
|00005ac0| 20 20 67 6c 6f 62 61 6c | 62 69 74 73 20 3d 20 28 |  global|bits = (|
|00005ad0| 62 75 66 5b 34 5d 20 26 | 20 30 78 30 37 29 20 2b |buf[4] &| 0x07) +|
|00005ae0| 20 31 3b 0a 2d 20 20 20 | 20 20 20 20 20 66 72 65 | 1;.-   |     fre|
|00005af0| 61 64 28 67 6c 6f 62 61 | 6c 6d 61 70 2c 33 2c 31 |ad(globa|lmap,3,1|
|00005b00| 3c 3c 67 6c 6f 62 61 6c | 62 69 74 73 2c 69 6e 66 |<<global|bits,inf|
|00005b10| 69 6c 65 29 3b 0a 2d 20 | 20 20 20 7d 0a 2d 20 20 |ile);.- |   }.-  |
|00005b20| 20 20 62 67 63 6f 6c 6f | 72 20 3d 20 62 75 66 5b |  bgcolo|r = buf[|
|00005b30| 35 5d 3b 0a 2d 2f 2a 0a | 2d 20 20 20 20 66 70 72 |5];.-/*.|-    fpr|
|00005b40| 69 6e 74 66 28 73 74 64 | 65 72 72 2c 20 22 20 20 |intf(std|err, "  |
|00005b50| 20 20 67 6c 6f 62 61 6c | 20 73 63 72 65 65 6e 3a |  global| screen:|
|00005b60| 20 25 64 78 25 64 78 25 | 64 2c 20 62 61 63 6b 67 | %dx%dx%|d, backg|
|00005b70| 72 6f 75 6e 64 63 6f 6c | 6f 72 3a 20 25 64 5c 6e |roundcol|or: %d\n|
|00005b80| 22 2c 0a 2d 20 20 20 20 | 20 20 20 20 20 20 20 20 |",.-    |        |
|00005b90| 20 20 20 20 73 63 72 65 | 65 6e 77 69 64 74 68 2c |    scre|enwidth,|
|00005ba0| 20 73 63 72 65 65 6e 68 | 65 69 67 68 74 2c 20 31 | screenh|eight, 1|
|00005bb0| 3c 3c 67 6c 6f 62 61 6c | 62 69 74 73 2c 20 62 67 |<<global|bits, bg|
|00005bc0| 63 6f 6c 6f 72 29 3b 0a | 2d 2a 2f 0a 2d 0a 2d 7d |color);.|-*/.-.-}|
|00005bd0| 20 2f 2a 20 72 65 61 64 | 73 63 72 65 65 6e 20 2a | /* read|screen *|
|00005be0| 2f 0a 2d 0a 2d 0a 2d 0a | 2d 0a 2d 72 65 61 64 69 |/.-.-.-.|-.-readi|
|00005bf0| 6d 61 67 65 28 29 0a 2d | 7b 0a 2d 20 20 20 20 75 |mage().-|{.-    u|
|00005c00| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 62 75 66 |nsigned |char buf|
|00005c10| 5b 39 5d 3b 0a 2d 20 20 | 20 20 62 6f 6f 6c 20 6c |[9];.-  |  bool l|
|00005c20| 6f 63 61 6c 2c 20 69 6e | 74 65 72 6c 65 61 76 65 |ocal, in|terleave|
|00005c30| 64 3b 0a 2d 20 20 20 20 | 63 68 61 72 20 6c 6f 63 |d;.-    |char loc|
|00005c40| 61 6c 6d 61 70 5b 32 35 | 36 5d 5b 33 5d 3b 0a 2d |almap[25|6][3];.-|
|00005c50| 20 20 20 20 69 6e 74 20 | 6c 6f 63 61 6c 62 69 74 |    int |localbit|
|00005c60| 73 3b 0a 2d 20 20 20 20 | 72 65 67 69 73 74 65 72 |s;.-    |register|
|00005c70| 20 72 6f 77 3b 0a 2d 20 | 20 20 20 72 65 67 69 73 | row;.- |   regis|
|00005c80| 74 65 72 20 69 3b 0a 2d | 0a 2d 20 20 20 20 69 66 |ter i;.-|.-    if|
|00005c90| 20 28 66 72 65 61 64 28 | 62 75 66 2c 20 31 2c 20 | (fread(|buf, 1, |
|00005ca0| 39 2c 20 69 6e 66 69 6c | 65 29 20 3d 3d 20 30 29 |9, infil|e) == 0)|
|00005cb0| 20 7b 0a 2d 20 20 20 20 | 20 20 20 20 70 65 72 72 | {.-    |    perr|
|00005cc0| 6f 72 28 66 69 6c 65 6e | 61 6d 65 29 3b 0a 2d 20 |or(filen|ame);.- |
|00005cd0| 20 20 20 20 20 20 20 65 | 78 69 74 28 31 29 3b 0a |       e|xit(1);.|
|00005ce0| 2d 20 20 20 20 7d 0a 2d | 20 20 20 20 6c 65 66 74 |-    }.-|    left|
|00005cf0| 20 3d 20 62 75 66 5b 30 | 5d 20 2b 20 28 62 75 66 | = buf[0|] + (buf|
|00005d00| 5b 31 5d 20 3c 3c 20 38 | 29 3b 0a 2d 20 20 20 20 |[1] << 8|);.-    |
|00005d10| 74 6f 70 20 3d 20 62 75 | 66 5b 32 5d 20 2b 20 28 |top = bu|f[2] + (|
|00005d20| 62 75 66 5b 33 5d 20 3c | 3c 20 38 29 3b 0a 2d 20 |buf[3] <|< 8);.- |
|00005d30| 20 20 20 77 69 64 74 68 | 20 3d 20 62 75 66 5b 34 |   width| = buf[4|
|00005d40| 5d 20 2b 20 28 62 75 66 | 5b 35 5d 20 3c 3c 20 38 |] + (buf|[5] << 8|
|00005d50| 29 3b 0a 2d 20 20 20 20 | 72 77 69 64 74 68 20 3d |);.-    |rwidth =|
|00005d60| 20 77 69 64 74 68 20 2b | 20 77 69 64 74 68 25 32 | width +| width%2|
|00005d70| 3b 20 2f 2a 20 63 6f 6d | 70 65 6e 73 61 74 65 20 |; /* com|pensate |
|00005d80| 6f 64 64 20 77 69 64 74 | 68 73 20 2a 2f 0a 2d 20 |odd widt|hs */.- |
|00005d90| 20 20 20 68 65 69 67 68 | 74 20 3d 20 62 75 66 5b |   heigh|t = buf[|
|00005da0| 36 5d 20 2b 20 28 62 75 | 66 5b 37 5d 20 3c 3c 20 |6] + (bu|f[7] << |
|00005db0| 38 29 3b 0a 2d 20 20 20 | 20 6c 6f 63 61 6c 20 3d |8);.-   | local =|
|00005dc0| 20 62 75 66 5b 38 5d 20 | 26 20 30 78 38 30 3b 0a | buf[8] |& 0x80;.|
|00005dd0| 2d 20 20 20 20 69 6e 74 | 65 72 6c 65 61 76 65 64 |-    int|erleaved|
|00005de0| 20 3d 20 62 75 66 5b 38 | 5d 20 26 20 30 78 34 30 | = buf[8|] & 0x40|
|00005df0| 3b 0a 2d 2f 2a 0a 2d 20 | 20 20 20 66 70 72 69 6e |;.-/*.- |   fprin|
|00005e00| 74 66 28 73 74 64 65 72 | 72 2c 20 22 20 20 20 20 |tf(stder|r, "    |
|00005e10| 69 6d 61 67 65 3a 20 25 | 64 78 25 64 20 25 73 20 |image: %|dx%d %s |
|00005e20| 20 6f 72 67 3a 20 25 64 | 2c 25 64 5c 6e 22 2c 20 | org: %d|,%d\n", |
|00005e30| 77 69 64 74 68 2c 20 68 | 65 69 67 68 74 2c 0a 2d |width, h|eight,.-|
|00005e40| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 69 6e |        |      in|
|00005e50| 74 65 72 6c 65 61 76 65 | 64 20 3f 20 22 69 6e 74 |terleave|d ? "int|
|00005e60| 65 72 6c 65 61 76 65 64 | 22 20 3a 20 22 22 2c 20 |erleaved|" : "", |
|00005e70| 6c 65 66 74 2c 20 74 6f | 70 29 3b 0a 2d 2a 2f 0a |left, to|p);.-*/.|
|00005e80| 2d 20 20 20 20 69 66 20 | 28 6c 6f 63 61 6c 20 3d |-    if |(local =|
|00005e90| 3d 20 30 20 26 26 20 67 | 6c 6f 62 61 6c 20 3d 3d |= 0 && g|lobal ==|
|00005ea0| 20 30 29 20 7b 0a 2d 20 | 20 20 20 20 20 20 20 66 | 0) {.- |       f|
|00005eb0| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 20 22 |printf(s|tderr, "|
|00005ec0| 6e 6f 20 63 6f 6c 6f 72 | 6d 61 70 20 70 72 65 73 |no color|map pres|
|00005ed0| 65 6e 74 20 66 6f 72 20 | 69 6d 61 67 65 5c 6e 22 |ent for |image\n"|
|00005ee0| 29 3b 0a 2d 20 20 20 20 | 20 20 20 20 72 65 74 75 |);.-    |    retu|
|00005ef0| 72 6e 20 31 3b 0a 2d 20 | 20 20 20 7d 0a 2d 20 20 |rn 1;.- |   }.-  |
|00005f00| 20 20 69 66 20 28 28 72 | 61 73 74 65 72 20 3d 20 |  if ((r|aster = |
|00005f10| 28 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 2a 29 |(unsigne|d char*)|
|00005f20| 20 6d 61 6c 6c 6f 63 28 | 72 77 69 64 74 68 2a 68 | malloc(|rwidth*h|
|00005f30| 65 69 67 68 74 29 29 20 | 3d 3d 20 4e 55 4c 4c 29 |eight)) |== NULL)|
|00005f40| 20 7b 0a 2d 20 20 20 20 | 20 20 20 20 66 70 72 69 | {.-    |    fpri|
|00005f50| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 6e 6f 74 |ntf(stde|rr, "not|
|00005f60| 20 65 6e 6f 75 67 68 20 | 6d 65 6d 6f 72 79 20 66 | enough |memory f|
|00005f70| 6f 72 20 69 6d 61 67 65 | 5c 6e 22 29 3b 0a 2d 20 |or image|\n");.- |
|00005f80| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 31 3b |       r|eturn 1;|
|00005f90| 0a 2d 20 20 20 20 7d 0a | 2d 20 20 20 20 69 66 20 |.-    }.|-    if |
|00005fa0| 28 72 65 61 64 72 61 73 | 74 65 72 28 77 69 64 74 |(readras|ter(widt|
|00005fb0| 68 2c 20 68 65 69 67 68 | 74 29 29 0a 2d 20 20 20 |h, heigh|t)).-   |
|00005fc0| 20 20 20 20 20 72 65 74 | 75 72 6e 20 31 3b 0a 2d |     ret|urn 1;.-|
|00005fd0| 0a 2d 20 20 20 20 69 66 | 20 28 6c 6f 63 61 6c 29 |.-    if| (local)|
|00005fe0| 20 7b 0a 2d 20 20 20 20 | 20 20 20 20 6c 6f 63 61 | {.-    |    loca|
|00005ff0| 6c 62 69 74 73 20 3d 20 | 28 62 75 66 5b 38 5d 20 |lbits = |(buf[8] |
|00006000| 26 20 30 78 37 29 20 2b | 20 31 3b 0a 2d 2f 2a 0a |& 0x7) +| 1;.-/*.|
|00006010| 2d 20 20 20 20 20 20 20 | 20 66 70 72 69 6e 74 66 |-       | fprintf|
|00006020| 28 73 74 64 65 72 72 2c | 20 22 20 20 20 6c 6f 63 |(stderr,| "   loc|
|00006030| 61 6c 20 63 6f 6c 6f 72 | 73 3a 20 25 64 5c 6e 22 |al color|s: %d\n"|
|00006040| 2c 20 31 3c 3c 6c 6f 63 | 61 6c 62 69 74 73 29 3b |, 1<<loc|albits);|
|00006050| 0a 2d 2a 2f 0a 2d 20 20 | 20 20 20 20 20 20 66 72 |.-*/.-  |      fr|
|00006060| 65 61 64 28 6c 6f 63 61 | 6c 6d 61 70 2c 20 33 2c |ead(loca|lmap, 3,|
|00006070| 20 31 3c 3c 6c 6f 63 61 | 6c 62 69 74 73 2c 20 69 | 1<<loca|lbits, i|
|00006080| 6e 66 69 6c 65 29 3b 0a | 2d 20 20 20 20 20 20 20 |nfile);.|-       |
|00006090| 20 69 6e 69 74 72 61 73 | 74 65 72 28 31 3c 3c 6c | initras|ter(1<<l|
|000060a0| 6f 63 61 6c 62 69 74 73 | 29 3b 0a 2d 20 20 20 20 |ocalbits|);.-    |
|000060b0| 20 20 20 20 69 6e 69 74 | 63 6f 6c 6f 72 73 28 6c |    init|colors(l|
|000060c0| 6f 63 61 6c 6d 61 70 2c | 20 31 3c 3c 6c 6f 63 61 |ocalmap,| 1<<loca|
|000060d0| 6c 62 69 74 73 2c 20 62 | 67 63 6f 6c 6f 72 29 3b |lbits, b|gcolor);|
|000060e0| 0a 2d 20 20 20 20 7d 20 | 65 6c 73 65 20 69 66 20 |.-    } |else if |
|000060f0| 28 67 6c 6f 62 61 6c 29 | 20 7b 0a 2d 20 20 20 20 |(global)| {.-    |
|00006100| 20 20 20 20 69 6e 69 74 | 72 61 73 74 65 72 28 31 |    init|raster(1|
|00006110| 3c 3c 67 6c 6f 62 61 6c | 62 69 74 73 29 3b 0a 2d |<<global|bits);.-|
|00006120| 20 20 20 20 20 20 20 20 | 69 6e 69 74 63 6f 6c 6f |        |initcolo|
|00006130| 72 73 28 67 6c 6f 62 61 | 6c 6d 61 70 2c 20 31 3c |rs(globa|lmap, 1<|
|00006140| 3c 67 6c 6f 62 61 6c 62 | 69 74 73 2c 20 62 67 63 |<globalb|its, bgc|
|00006150| 6f 6c 6f 72 29 3b 0a 2d | 20 20 20 20 7d 0a 2d 0a |olor);.-|    }.-.|
|00006160| 2d 20 20 20 20 72 61 73 | 74 65 72 69 7a 65 28 69 |-    ras|terize(i|
|00006170| 6e 74 65 72 6c 65 61 76 | 65 64 2c 20 72 61 73 74 |nterleav|ed, rast|
|00006180| 65 72 29 3b 0a 2d 20 20 | 20 20 66 72 65 65 28 72 |er);.-  |  free(r|
|00006190| 61 73 74 65 72 29 3b 0a | 2d 0a 2d 20 20 20 20 72 |aster);.|-.-    r|
|000061a0| 65 74 75 72 6e 20 30 3b | 0a 2d 0a 2d 7d 20 2f 2a |eturn 0;|.-.-} /*|
|000061b0| 20 72 65 61 64 69 6d 61 | 67 65 20 2a 2f 0a 2d 0a | readima|ge */.-.|
|000061c0| 2d 0a 2d 0a 2d 2f 2a 0a | 2d 20 2a 20 52 65 61 64 |-.-.-/*.|- * Read|
|000061d0| 20 61 20 47 49 46 20 65 | 78 74 65 6e 73 69 6f 6e | a GIF e|xtension|
|000061e0| 20 62 6c 6f 63 6b 20 28 | 61 6e 64 20 64 6f 20 6e | block (|and do n|
|000061f0| 6f 74 68 69 6e 67 20 77 | 69 74 68 20 69 74 29 2e |othing w|ith it).|
|00006200| 0a 2d 20 2a 2f 0a 2d 0a | 2d 76 6f 69 64 20 72 65 |.- */.-.|-void re|
|00006210| 61 64 65 78 74 65 6e 73 | 69 6f 6e 28 29 0a 2d 7b |adextens|ion().-{|
|00006220| 0a 2d 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |.-    un|signed c|
|00006230| 68 61 72 20 63 6f 64 65 | 3b 0a 2d 20 20 20 20 69 |har code|;.-    i|
|00006240| 6e 74 20 63 6f 75 6e 74 | 3b 0a 2d 20 20 20 20 63 |nt count|;.-    c|
|00006250| 68 61 72 20 62 75 66 5b | 32 35 35 5d 3b 0a 2d 0a |har buf[|255];.-.|
|00006260| 2d 20 20 20 20 63 6f 64 | 65 20 3d 20 67 65 74 63 |-    cod|e = getc|
|00006270| 28 69 6e 66 69 6c 65 29 | 3b 0a 2d 20 20 20 20 77 |(infile)|;.-    w|
|00006280| 68 69 6c 65 20 28 63 6f | 75 6e 74 20 3d 20 67 65 |hile (co|unt = ge|
|00006290| 74 63 28 69 6e 66 69 6c | 65 29 29 0a 2d 20 20 20 |tc(infil|e)).-   |
|000062a0| 20 20 20 20 20 66 72 65 | 61 64 28 62 75 66 2c 20 |     fre|ad(buf, |
|000062b0| 31 2c 20 63 6f 75 6e 74 | 2c 20 69 6e 66 69 6c 65 |1, count|, infile|
|000062c0| 29 3b 0a 2d 0a 2d 7d 20 | 2f 2a 20 72 65 61 64 65 |);.-.-} |/* reade|
|000062d0| 78 74 65 6e 73 69 6f 6e | 20 2a 2f 0a 2d 0a 2d 0a |xtension| */.-.-.|
|000062e0| 2d 0a 2d 2f 2a 0a 2d 20 | 2a 20 44 65 63 6f 64 65 |-.-/*.- |* Decode|
|000062f0| 20 61 20 72 61 73 74 65 | 72 20 69 6d 61 67 65 0a | a raste|r image.|
|00006300| 2d 20 2a 2f 0a 2d 0a 2d | 72 65 61 64 72 61 73 74 |- */.-.-|readrast|
|00006310| 65 72 28 77 69 64 74 68 | 2c 20 68 65 69 67 68 74 |er(width|, height|
|00006320| 29 0a 2d 75 6e 73 69 67 | 6e 65 64 20 77 69 64 74 |).-unsig|ned widt|
|00006330| 68 2c 68 65 69 67 68 74 | 3b 0a 2d 7b 0a 2d 20 20 |h,height|;.-{.-  |
|00006340| 20 20 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |      un|signed c|
|00006350| 68 61 72 20 2a 66 69 6c | 6c 20 3d 20 72 61 73 74 |har *fil|l = rast|
|00006360| 65 72 3b 0a 2d 20 20 20 | 20 20 20 20 20 75 6e 73 |er;.-   |     uns|
|00006370| 69 67 6e 65 64 20 63 68 | 61 72 20 62 75 66 5b 32 |igned ch|ar buf[2|
|00006380| 35 35 5d 3b 0a 2d 20 20 | 20 20 20 20 20 20 72 65 |55];.-  |      re|
|00006390| 67 69 73 74 65 72 20 62 | 69 74 73 3d 30 3b 0a 2d |gister b|its=0;.-|
|000063a0| 20 20 20 20 20 20 20 20 | 72 65 67 69 73 74 65 72 |        |register|
|000063b0| 20 75 6e 73 69 67 6e 65 | 64 20 64 61 74 75 6d 3d | unsigne|d datum=|
|000063c0| 30 3b 0a 2d 20 20 20 20 | 20 20 20 20 72 65 67 69 |0;.-    |    regi|
|000063d0| 73 74 65 72 20 75 6e 73 | 69 67 6e 65 64 20 63 68 |ster uns|igned ch|
|000063e0| 61 72 20 2a 63 68 3b 0a | 2d 20 20 20 20 20 20 20 |ar *ch;.|-       |
|000063f0| 20 72 65 67 69 73 74 65 | 72 20 69 6e 74 20 63 6f | registe|r int co|
+--------+-------------------------+-------------------------+--------+--------+