home *** CD-ROM | disk | FTP | other *** search
open in:
MacOS 8.1
|
Win98
|
DOS
browse contents |
view JSON data
|
view as text
This file was processed as: SHell self-extracting ARchive
(archive/shar).
Confidence | Program | Detection | Match Type | Support
|
---|
100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| ASCII text
| default
| |
100%
| checkBytes
| Printable ASCII
| default
| |
100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
100%
| siegfried
| fmt/329 Shell Archive Format
| default
| |
100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|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 50 61 |.sources|.misc.Pa|
|00000020| 74 68 3a 20 73 70 61 72 | 6b 79 21 6b 65 6e 74 0a |th: spar|ky!kent.|
|00000030| 46 72 6f 6d 3a 20 6a 70 | 65 67 2d 69 6e 66 6f 40 |From: jp|eg-info@|
|00000040| 75 75 6e 65 74 2e 75 75 | 2e 6e 65 74 20 28 49 6e |uunet.uu|.net (In|
|00000050| 64 65 70 65 6e 64 65 6e | 74 20 4a 50 45 47 20 47 |dependen|t JPEG G|
|00000060| 72 6f 75 70 29 0a 53 75 | 62 6a 65 63 74 3a 20 20 |roup).Su|bject: |
|00000070| 76 33 34 69 30 36 31 3a | 20 20 6a 70 65 67 20 2d |v34i061:| jpeg -|
|00000080| 20 4a 50 45 47 20 69 6d | 61 67 65 20 63 6f 6d 70 | JPEG im|age comp|
|00000090| 72 65 73 73 69 6f 6e 2c | 20 50 61 72 74 30 37 2f |ression,| Part07/|
|000000a0| 31 38 0a 4d 65 73 73 61 | 67 65 2d 49 44 3a 20 3c |18.Messa|ge-ID: <|
|000000b0| 31 39 39 32 44 65 63 31 | 37 2e 30 34 31 37 35 36 |1992Dec1|7.041756|
|000000c0| 2e 32 33 35 33 38 40 73 | 70 61 72 6b 79 2e 69 6d |.23538@s|parky.im|
|000000d0| 64 2e 73 74 65 72 6c 69 | 6e 67 2e 63 6f 6d 3e 0a |d.sterli|ng.com>.|
|000000e0| 46 6f 6c 6c 6f 77 75 70 | 2d 54 6f 3a 20 63 6f 6d |Followup|-To: com|
|000000f0| 70 2e 73 6f 75 72 63 65 | 73 2e 64 0a 58 2d 4d 64 |p.source|s.d.X-Md|
|00000100| 34 2d 53 69 67 6e 61 74 | 75 72 65 3a 20 35 31 64 |4-Signat|ure: 51d|
|00000110| 31 61 64 65 65 30 61 32 | 39 36 62 32 38 62 34 39 |1adee0a2|96b28b49|
|00000120| 64 37 30 30 38 34 62 37 | 61 34 36 66 61 0a 53 65 |d70084b7|a46fa.Se|
|00000130| 6e 64 65 72 3a 20 6b 65 | 6e 74 40 73 70 61 72 6b |nder: ke|nt@spark|
|00000140| 79 2e 69 6d 64 2e 73 74 | 65 72 6c 69 6e 67 2e 63 |y.imd.st|erling.c|
|00000150| 6f 6d 20 28 4b 65 6e 74 | 20 4c 61 6e 64 66 69 65 |om (Kent| Landfie|
|00000160| 6c 64 29 0a 4f 72 67 61 | 6e 69 7a 61 74 69 6f 6e |ld).Orga|nization|
|00000170| 3a 20 53 74 65 72 6c 69 | 6e 67 20 53 6f 66 74 77 |: Sterli|ng Softw|
|00000180| 61 72 65 0a 52 65 66 65 | 72 65 6e 63 65 73 3a 20 |are.Refe|rences: |
|00000190| 3c 63 73 6d 2d 76 33 34 | 69 30 35 35 3d 6a 70 65 |<csm-v34|i055=jpe|
|000001a0| 67 2e 32 32 30 34 32 34 | 40 73 70 61 72 6b 79 2e |g.220424|@sparky.|
|000001b0| 49 4d 44 2e 53 74 65 72 | 6c 69 6e 67 2e 43 4f 4d |IMD.Ster|ling.COM|
|000001c0| 3e 0a 44 61 74 65 3a 20 | 54 68 75 2c 20 31 37 20 |>.Date: |Thu, 17 |
|000001d0| 44 65 63 20 31 39 39 32 | 20 30 34 3a 31 37 3a 35 |Dec 1992| 04:17:5|
|000001e0| 36 20 47 4d 54 0a 41 70 | 70 72 6f 76 65 64 3a 20 |6 GMT.Ap|proved: |
|000001f0| 6b 65 6e 74 40 73 70 61 | 72 6b 79 2e 69 6d 64 2e |kent@spa|rky.imd.|
|00000200| 73 74 65 72 6c 69 6e 67 | 2e 63 6f 6d 0a 4c 69 6e |sterling|.com.Lin|
|00000210| 65 73 3a 20 31 32 31 31 | 0a 0a 53 75 62 6d 69 74 |es: 1211|..Submit|
|00000220| 74 65 64 2d 62 79 3a 20 | 6a 70 65 67 2d 69 6e 66 |ted-by: |jpeg-inf|
|00000230| 6f 40 75 75 6e 65 74 2e | 75 75 2e 6e 65 74 20 28 |o@uunet.|uu.net (|
|00000240| 49 6e 64 65 70 65 6e 64 | 65 6e 74 20 4a 50 45 47 |Independ|ent JPEG|
|00000250| 20 47 72 6f 75 70 29 0a | 50 6f 73 74 69 6e 67 2d | Group).|Posting-|
|00000260| 6e 75 6d 62 65 72 3a 20 | 56 6f 6c 75 6d 65 20 33 |number: |Volume 3|
|00000270| 34 2c 20 49 73 73 75 65 | 20 36 31 0a 41 72 63 68 |4, Issue| 61.Arch|
|00000280| 69 76 65 2d 6e 61 6d 65 | 3a 20 6a 70 65 67 2f 70 |ive-name|: jpeg/p|
|00000290| 61 72 74 30 37 0a 45 6e | 76 69 72 6f 6e 6d 65 6e |art07.En|vironmen|
|000002a0| 74 3a 20 55 4e 49 58 2c | 20 56 4d 53 2c 20 4d 53 |t: UNIX,| VMS, MS|
|000002b0| 2d 44 4f 53 2c 20 4d 61 | 63 2c 20 41 6d 69 67 61 |-DOS, Ma|c, Amiga|
|000002c0| 2c 20 41 74 61 72 69 2c | 20 43 72 61 79 0a 53 75 |, Atari,| Cray.Su|
|000002d0| 70 65 72 73 65 64 65 73 | 3a 20 6a 70 65 67 3a 20 |persedes|: jpeg: |
|000002e0| 56 6f 6c 75 6d 65 20 32 | 39 2c 20 49 73 73 75 65 |Volume 2|9, Issue|
|000002f0| 20 31 2d 31 38 0a 0a 23 | 21 20 2f 62 69 6e 2f 73 | 1-18..#|! /bin/s|
|00000300| 68 0a 23 20 54 68 69 73 | 20 69 73 20 61 20 73 68 |h.# This| is a sh|
|00000310| 65 6c 6c 20 61 72 63 68 | 69 76 65 2e 20 20 52 65 |ell arch|ive. Re|
|00000320| 6d 6f 76 65 20 61 6e 79 | 74 68 69 6e 67 20 62 65 |move any|thing be|
|00000330| 66 6f 72 65 20 74 68 69 | 73 20 6c 69 6e 65 2c 20 |fore thi|s line, |
|00000340| 74 68 65 6e 20 66 65 65 | 64 20 69 74 0a 23 20 69 |then fee|d it.# i|
|00000350| 6e 74 6f 20 61 20 73 68 | 65 6c 6c 20 76 69 61 20 |nto a sh|ell via |
|00000360| 22 73 68 20 66 69 6c 65 | 22 20 6f 72 20 73 69 6d |"sh file|" or sim|
|00000370| 69 6c 61 72 2e 20 20 54 | 6f 20 6f 76 65 72 77 72 |ilar. T|o overwr|
|00000380| 69 74 65 20 65 78 69 73 | 74 69 6e 67 20 66 69 6c |ite exis|ting fil|
|00000390| 65 73 2c 0a 23 20 74 79 | 70 65 20 22 73 68 20 66 |es,.# ty|pe "sh f|
|000003a0| 69 6c 65 20 2d 63 22 2e | 0a 23 20 43 6f 6e 74 65 |ile -c".|.# Conte|
|000003b0| 6e 74 73 3a 20 20 6a 71 | 75 61 6e 74 31 2e 63 20 |nts: jq|uant1.c |
|000003c0| 74 69 6d 67 2e 70 70 6d | 2e 55 55 2e 42 0a 23 20 |timg.ppm|.UU.B.# |
|000003d0| 57 72 61 70 70 65 64 20 | 62 79 20 6b 65 6e 74 40 |Wrapped |by kent@|
|000003e0| 73 70 61 72 6b 79 20 6f | 6e 20 57 65 64 20 44 65 |sparky o|n Wed De|
|000003f0| 63 20 31 36 20 32 30 3a | 35 32 3a 32 37 20 31 39 |c 16 20:|52:27 19|
|00000400| 39 32 0a 50 41 54 48 3d | 2f 62 69 6e 3a 2f 75 73 |92.PATH=|/bin:/us|
|00000410| 72 2f 62 69 6e 3a 2f 75 | 73 72 2f 75 63 62 3a 2f |r/bin:/u|sr/ucb:/|
|00000420| 75 73 72 2f 6c 6f 63 61 | 6c 2f 62 69 6e 3a 2f 75 |usr/loca|l/bin:/u|
|00000430| 73 72 2f 6c 62 69 6e 20 | 3b 20 65 78 70 6f 72 74 |sr/lbin |; export|
|00000440| 20 50 41 54 48 0a 65 63 | 68 6f 20 49 66 20 74 68 | PATH.ec|ho If th|
|00000450| 69 73 20 61 72 63 68 69 | 76 65 20 69 73 20 63 6f |is archi|ve is co|
|00000460| 6d 70 6c 65 74 65 2c 20 | 79 6f 75 20 77 69 6c 6c |mplete, |you will|
|00000470| 20 73 65 65 20 74 68 65 | 20 66 6f 6c 6c 6f 77 69 | see the| followi|
|00000480| 6e 67 20 6d 65 73 73 61 | 67 65 3a 0a 65 63 68 6f |ng messa|ge:.echo|
|00000490| 20 27 20 20 20 20 20 20 | 20 20 20 20 22 73 68 61 | ' | "sha|
|000004a0| 72 3a 20 45 6e 64 20 6f | 66 20 61 72 63 68 69 76 |r: End o|f archiv|
|000004b0| 65 20 37 20 28 6f 66 20 | 31 38 29 2e 22 27 0a 69 |e 7 (of |18)."'.i|
|000004c0| 66 20 74 65 73 74 20 2d | 66 20 27 6a 71 75 61 6e |f test -|f 'jquan|
|000004d0| 74 31 2e 63 27 20 2d 61 | 20 22 24 7b 31 7d 22 20 |t1.c' -a| "${1}" |
|000004e0| 21 3d 20 22 2d 63 22 20 | 3b 20 74 68 65 6e 20 0a |!= "-c" |; then .|
|000004f0| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 57 69 6c | echo s|har: Wil|
|00000500| 6c 20 6e 6f 74 20 63 6c | 6f 62 62 65 72 20 65 78 |l not cl|obber ex|
|00000510| 69 73 74 69 6e 67 20 66 | 69 6c 65 20 5c 22 27 6a |isting f|ile \"'j|
|00000520| 71 75 61 6e 74 31 2e 63 | 27 5c 22 0a 65 6c 73 65 |quant1.c|'\".else|
|00000530| 0a 20 20 65 63 68 6f 20 | 73 68 61 72 3a 20 45 78 |. echo |shar: Ex|
|00000540| 74 72 61 63 74 69 6e 67 | 20 5c 22 27 6a 71 75 61 |tracting| \"'jqua|
|00000550| 6e 74 31 2e 63 27 5c 22 | 20 5c 28 32 32 30 32 31 |nt1.c'\"| \(22021|
|00000560| 20 63 68 61 72 61 63 74 | 65 72 73 5c 29 0a 20 20 | charact|ers\). |
|00000570| 73 65 64 20 22 73 2f 5e | 58 2f 2f 22 20 3e 27 6a |sed "s/^|X//" >'j|
|00000580| 71 75 61 6e 74 31 2e 63 | 27 20 3c 3c 27 45 4e 44 |quant1.c|' <<'END|
|00000590| 5f 4f 46 5f 46 49 4c 45 | 27 0a 58 2f 2a 0a 58 20 |_OF_FILE|'.X/*.X |
|000005a0| 2a 20 6a 71 75 61 6e 74 | 31 2e 63 0a 58 20 2a 0a |* jquant|1.c.X *.|
|000005b0| 58 20 2a 20 43 6f 70 79 | 72 69 67 68 74 20 28 43 |X * Copy|right (C|
|000005c0| 29 20 31 39 39 31 2c 20 | 31 39 39 32 2c 20 54 68 |) 1991, |1992, Th|
|000005d0| 6f 6d 61 73 20 47 2e 20 | 4c 61 6e 65 2e 0a 58 20 |omas G. |Lane..X |
|000005e0| 2a 20 54 68 69 73 20 66 | 69 6c 65 20 69 73 20 70 |* This f|ile is p|
|000005f0| 61 72 74 20 6f 66 20 74 | 68 65 20 49 6e 64 65 70 |art of t|he Indep|
|00000600| 65 6e 64 65 6e 74 20 4a | 50 45 47 20 47 72 6f 75 |endent J|PEG Grou|
|00000610| 70 27 73 20 73 6f 66 74 | 77 61 72 65 2e 0a 58 20 |p's soft|ware..X |
|00000620| 2a 20 46 6f 72 20 63 6f | 6e 64 69 74 69 6f 6e 73 |* For co|nditions|
|00000630| 20 6f 66 20 64 69 73 74 | 72 69 62 75 74 69 6f 6e | of dist|ribution|
|00000640| 20 61 6e 64 20 75 73 65 | 2c 20 73 65 65 20 74 68 | and use|, see th|
|00000650| 65 20 61 63 63 6f 6d 70 | 61 6e 79 69 6e 67 20 52 |e accomp|anying R|
|00000660| 45 41 44 4d 45 20 66 69 | 6c 65 2e 0a 58 20 2a 0a |EADME fi|le..X *.|
|00000670| 58 20 2a 20 54 68 69 73 | 20 66 69 6c 65 20 63 6f |X * This| file co|
|00000680| 6e 74 61 69 6e 73 20 31 | 2d 70 61 73 73 20 63 6f |ntains 1|-pass co|
|00000690| 6c 6f 72 20 71 75 61 6e | 74 69 7a 61 74 69 6f 6e |lor quan|tization|
|000006a0| 20 28 63 6f 6c 6f 72 20 | 6d 61 70 70 69 6e 67 29 | (color |mapping)|
|000006b0| 20 72 6f 75 74 69 6e 65 | 73 2e 0a 58 20 2a 20 54 | routine|s..X * T|
|000006c0| 68 65 73 65 20 72 6f 75 | 74 69 6e 65 73 20 61 72 |hese rou|tines ar|
|000006d0| 65 20 69 6e 76 6f 6b 65 | 64 20 76 69 61 20 74 68 |e invoke|d via th|
|000006e0| 65 20 6d 65 74 68 6f 64 | 73 20 63 6f 6c 6f 72 5f |e method|s color_|
|000006f0| 71 75 61 6e 74 69 7a 65 | 0a 58 20 2a 20 61 6e 64 |quantize|.X * and|
|00000700| 20 63 6f 6c 6f 72 5f 71 | 75 61 6e 74 5f 69 6e 69 | color_q|uant_ini|
|00000710| 74 2f 74 65 72 6d 2e 0a | 58 20 2a 2f 0a 58 0a 58 |t/term..|X */.X.X|
|00000720| 23 69 6e 63 6c 75 64 65 | 20 22 6a 69 6e 63 6c 75 |#include| "jinclu|
|00000730| 64 65 2e 68 22 0a 58 0a | 58 23 69 66 64 65 66 20 |de.h".X.|X#ifdef |
|00000740| 51 55 41 4e 54 5f 31 50 | 41 53 53 5f 53 55 50 50 |QUANT_1P|ASS_SUPP|
|00000750| 4f 52 54 45 44 0a 58 0a | 58 0a 58 2f 2a 0a 58 20 |ORTED.X.|X.X/*.X |
|00000760| 2a 20 54 68 65 20 6d 61 | 69 6e 20 70 75 72 70 6f |* The ma|in purpo|
|00000770| 73 65 20 6f 66 20 31 2d | 70 61 73 73 20 71 75 61 |se of 1-|pass qua|
|00000780| 6e 74 69 7a 61 74 69 6f | 6e 20 69 73 20 74 6f 20 |ntizatio|n is to |
|00000790| 70 72 6f 76 69 64 65 20 | 61 20 66 61 73 74 2c 20 |provide |a fast, |
|000007a0| 69 66 20 6e 6f 74 20 76 | 65 72 79 0a 58 20 2a 20 |if not v|ery.X * |
|000007b0| 68 69 67 68 20 71 75 61 | 6c 69 74 79 2c 20 63 6f |high qua|lity, co|
|000007c0| 6c 6f 72 6d 61 70 70 65 | 64 20 6f 75 74 70 75 74 |lormappe|d output|
|000007d0| 20 63 61 70 61 62 69 6c | 69 74 79 2e 20 20 41 20 | capabil|ity. A |
|000007e0| 32 2d 70 61 73 73 20 71 | 75 61 6e 74 69 7a 65 72 |2-pass q|uantizer|
|000007f0| 20 75 73 75 61 6c 6c 79 | 0a 58 20 2a 20 67 69 76 | usually|.X * giv|
|00000800| 65 73 20 62 65 74 74 65 | 72 20 76 69 73 75 61 6c |es bette|r visual|
|00000810| 20 71 75 61 6c 69 74 79 | 3b 20 68 6f 77 65 76 65 | quality|; howeve|
|00000820| 72 2c 20 66 6f 72 20 71 | 75 61 6e 74 69 7a 65 64 |r, for q|uantized|
|00000830| 20 67 72 61 79 73 63 61 | 6c 65 20 6f 75 74 70 75 | graysca|le outpu|
|00000840| 74 20 74 68 69 73 0a 58 | 20 2a 20 71 75 61 6e 74 |t this.X| * quant|
|00000850| 69 7a 65 72 20 69 73 20 | 70 65 72 66 65 63 74 6c |izer is |perfectl|
|00000860| 79 20 61 64 65 71 75 61 | 74 65 2e 20 20 44 69 74 |y adequa|te. Dit|
|00000870| 68 65 72 69 6e 67 20 69 | 73 20 68 69 67 68 6c 79 |hering i|s highly|
|00000880| 20 72 65 63 6f 6d 6d 65 | 6e 64 65 64 20 77 69 74 | recomme|nded wit|
|00000890| 68 20 74 68 69 73 0a 58 | 20 2a 20 71 75 61 6e 74 |h this.X| * quant|
|000008a0| 69 7a 65 72 2c 20 74 68 | 6f 75 67 68 20 79 6f 75 |izer, th|ough you|
|000008b0| 20 63 61 6e 20 74 75 72 | 6e 20 69 74 20 6f 66 66 | can tur|n it off|
|000008c0| 20 69 66 20 79 6f 75 20 | 72 65 61 6c 6c 79 20 77 | if you |really w|
|000008d0| 61 6e 74 20 74 6f 2e 0a | 58 20 2a 0a 58 20 2a 20 |ant to..|X *.X * |
|000008e0| 54 68 69 73 20 69 6d 70 | 6c 65 6d 65 6e 74 61 74 |This imp|lementat|
|000008f0| 69 6f 6e 20 71 75 61 6e | 74 69 7a 65 73 20 69 6e |ion quan|tizes in|
|00000900| 20 74 68 65 20 6f 75 74 | 70 75 74 20 63 6f 6c 6f | the out|put colo|
|00000910| 72 73 70 61 63 65 2e 20 | 20 54 68 69 73 20 68 61 |rspace. | This ha|
|00000920| 73 20 61 20 63 6f 75 70 | 6c 65 0a 58 20 2a 20 6f |s a coup|le.X * o|
|00000930| 66 20 64 69 73 61 64 76 | 61 6e 74 61 67 65 73 3a |f disadv|antages:|
|00000940| 20 65 61 63 68 20 70 69 | 78 65 6c 20 6d 75 73 74 | each pi|xel must|
|00000950| 20 62 65 20 69 6e 64 69 | 76 69 64 75 61 6c 6c 79 | be indi|vidually|
|00000960| 20 63 6f 6c 6f 72 2d 63 | 6f 6e 76 65 72 74 65 64 | color-c|onverted|
|00000970| 2c 20 61 6e 64 20 69 66 | 0a 58 20 2a 20 74 68 65 |, and if|.X * the|
|00000980| 20 63 6f 6c 6f 72 20 63 | 6f 6e 76 65 72 73 69 6f | color c|onversio|
|00000990| 6e 20 69 6e 63 6c 75 64 | 65 73 20 67 61 6d 6d 61 |n includ|es gamma|
|000009a0| 20 63 6f 72 72 65 63 74 | 69 6f 6e 20 74 68 65 6e | correct|ion then|
|000009b0| 20 71 75 61 6e 74 69 7a | 61 74 69 6f 6e 20 69 73 | quantiz|ation is|
|000009c0| 20 64 6f 6e 65 20 69 6e | 0a 58 20 2a 20 61 20 6e | done in|.X * a n|
|000009d0| 6f 6e 6c 69 6e 65 61 72 | 20 73 70 61 63 65 2c 20 |onlinear| space, |
|000009e0| 77 68 69 63 68 20 69 73 | 20 6c 65 73 73 20 64 65 |which is| less de|
|000009f0| 73 69 72 61 62 6c 65 2e | 20 20 54 68 65 20 6d 61 |sirable.| The ma|
|00000a00| 6a 6f 72 20 61 64 76 61 | 6e 74 61 67 65 20 69 73 |jor adva|ntage is|
|00000a10| 20 74 68 61 74 0a 58 20 | 2a 20 77 69 74 68 20 74 | that.X |* with t|
|00000a20| 68 65 20 75 73 75 61 6c | 20 6f 75 74 70 75 74 20 |he usual| output |
|00000a30| 63 6f 6c 6f 72 20 73 70 | 61 63 65 73 20 28 52 47 |color sp|aces (RG|
|00000a40| 42 2c 20 67 72 61 79 73 | 63 61 6c 65 29 20 61 6e |B, grays|cale) an|
|00000a50| 20 6f 72 74 68 6f 67 6f | 6e 61 6c 20 67 72 69 64 | orthogo|nal grid|
|00000a60| 20 6f 66 0a 58 20 2a 20 | 72 65 70 72 65 73 65 6e | of.X * |represen|
|00000a70| 74 61 74 69 76 65 20 63 | 6f 6c 6f 72 73 20 63 61 |tative c|olors ca|
|00000a80| 6e 20 62 65 20 75 73 65 | 64 2c 20 74 68 75 73 20 |n be use|d, thus |
|00000a90| 70 65 72 6d 69 74 74 69 | 6e 67 20 74 68 65 20 76 |permitti|ng the v|
|00000aa0| 65 72 79 20 73 69 6d 70 | 6c 65 20 61 6e 64 20 66 |ery simp|le and f|
|00000ab0| 61 73 74 0a 58 20 2a 20 | 63 6f 6c 6f 72 20 6c 6f |ast.X * |color lo|
|00000ac0| 6f 6b 75 70 20 73 63 68 | 65 6d 65 20 75 73 65 64 |okup sch|eme used|
|00000ad0| 20 68 65 72 65 2e 20 20 | 54 68 65 20 73 74 61 6e | here. |The stan|
|00000ae0| 64 61 72 64 20 4a 50 45 | 47 20 63 6f 6c 6f 72 73 |dard JPE|G colors|
|00000af0| 70 61 63 65 20 28 59 43 | 62 43 72 29 20 63 61 6e |pace (YC|bCr) can|
|00000b00| 6e 6f 74 0a 58 20 2a 20 | 62 65 20 65 66 66 65 63 |not.X * |be effec|
|00000b10| 74 69 76 65 6c 79 20 68 | 61 6e 64 6c 65 64 20 74 |tively h|andled t|
|00000b20| 68 69 73 20 77 61 79 2c | 20 62 65 63 61 75 73 65 |his way,| because|
|00000b30| 20 6f 6e 6c 79 20 61 62 | 6f 75 74 20 61 20 71 75 | only ab|out a qu|
|00000b40| 61 72 74 65 72 20 6f 66 | 20 61 6e 0a 58 20 2a 20 |arter of| an.X * |
|00000b50| 6f 72 74 68 6f 67 6f 6e | 61 6c 20 67 72 69 64 20 |orthogon|al grid |
|00000b60| 77 6f 75 6c 64 20 66 61 | 6c 6c 20 77 69 74 68 69 |would fa|ll withi|
|00000b70| 6e 20 74 68 65 20 67 61 | 6d 75 74 20 6f 66 20 72 |n the ga|mut of r|
|00000b80| 65 61 6c 69 7a 61 62 6c | 65 20 63 6f 6c 6f 72 73 |ealizabl|e colors|
|00000b90| 2e 20 20 41 6e 6f 74 68 | 65 72 0a 58 20 2a 20 61 |. Anoth|er.X * a|
|00000ba0| 64 76 61 6e 74 61 67 65 | 20 69 73 20 74 68 61 74 |dvantage| is that|
|00000bb0| 20 77 68 65 6e 20 74 68 | 65 20 75 73 65 72 20 77 | when th|e user w|
|00000bc0| 61 6e 74 73 20 71 75 61 | 6e 74 69 7a 65 64 20 67 |ants qua|ntized g|
|00000bd0| 72 61 79 73 63 61 6c 65 | 20 6f 75 74 70 75 74 20 |rayscale| output |
|00000be0| 66 72 6f 6d 20 61 0a 58 | 20 2a 20 63 6f 6c 6f 72 |from a.X| * color|
|00000bf0| 20 4a 50 45 47 20 66 69 | 6c 65 2c 20 74 68 69 73 | JPEG fi|le, this|
|00000c00| 20 71 75 61 6e 74 69 7a | 65 72 20 63 61 6e 20 70 | quantiz|er can p|
|00000c10| 72 6f 76 69 64 65 20 61 | 20 68 69 67 68 2d 71 75 |rovide a| high-qu|
|00000c20| 61 6c 69 74 79 20 72 65 | 73 75 6c 74 20 77 69 74 |ality re|sult wit|
|00000c30| 68 20 6e 6f 0a 58 20 2a | 20 73 70 65 63 69 61 6c |h no.X *| special|
|00000c40| 20 68 61 63 6b 69 6e 67 | 2e 0a 58 20 2a 0a 58 20 | hacking|..X *.X |
|00000c50| 2a 20 54 68 65 20 67 61 | 6d 6d 61 2d 63 6f 72 72 |* The ga|mma-corr|
|00000c60| 65 63 74 69 6f 6e 20 70 | 72 6f 62 6c 65 6d 20 63 |ection p|roblem c|
|00000c70| 6f 75 6c 64 20 62 65 20 | 65 6c 69 6d 69 6e 61 74 |ould be |eliminat|
|00000c80| 65 64 20 62 79 20 61 64 | 6a 75 73 74 69 6e 67 20 |ed by ad|justing |
|00000c90| 74 68 65 20 67 72 69 64 | 0a 58 20 2a 20 73 70 61 |the grid|.X * spa|
|00000ca0| 63 69 6e 67 20 74 6f 20 | 63 6f 75 6e 74 65 72 61 |cing to |countera|
|00000cb0| 63 74 20 74 68 65 20 67 | 61 6d 6d 61 20 63 6f 72 |ct the g|amma cor|
|00000cc0| 72 65 63 74 69 6f 6e 20 | 61 70 70 6c 69 65 64 20 |rection |applied |
|00000cd0| 62 79 20 63 6f 6c 6f 72 | 5f 63 6f 6e 76 65 72 74 |by color|_convert|
|00000ce0| 2e 0a 58 20 2a 20 41 74 | 20 74 68 69 73 20 77 72 |..X * At| this wr|
|00000cf0| 69 74 69 6e 67 2c 20 67 | 61 6d 6d 61 20 63 6f 72 |iting, g|amma cor|
|00000d00| 72 65 63 74 69 6f 6e 20 | 69 73 20 6e 6f 74 20 69 |rection |is not i|
|00000d10| 6d 70 6c 65 6d 65 6e 74 | 65 64 20 62 79 20 6a 64 |mplement|ed by jd|
|00000d20| 63 6f 6c 6f 72 2c 20 73 | 6f 0a 58 20 2a 20 6e 6f |color, s|o.X * no|
|00000d30| 74 68 69 6e 67 20 69 73 | 20 64 6f 6e 65 20 68 65 |thing is| done he|
|00000d40| 72 65 2e 0a 58 20 2a 0a | 58 20 2a 20 49 6e 20 31 |re..X *.|X * In 1|
|00000d50| 2d 70 61 73 73 20 71 75 | 61 6e 74 69 7a 61 74 69 |-pass qu|antizati|
|00000d60| 6f 6e 20 74 68 65 20 63 | 6f 6c 6f 72 6d 61 70 20 |on the c|olormap |
|00000d70| 6d 75 73 74 20 62 65 20 | 63 68 6f 73 65 6e 20 69 |must be |chosen i|
|00000d80| 6e 20 61 64 76 61 6e 63 | 65 20 6f 66 20 73 65 65 |n advanc|e of see|
|00000d90| 69 6e 67 20 74 68 65 0a | 58 20 2a 20 69 6d 61 67 |ing the.|X * imag|
|00000da0| 65 2e 20 20 57 65 20 75 | 73 65 20 61 20 6d 61 70 |e. We u|se a map|
|00000db0| 20 63 6f 6e 73 69 73 74 | 69 6e 67 20 6f 66 20 61 | consist|ing of a|
|00000dc0| 6c 6c 20 63 6f 6d 62 69 | 6e 61 74 69 6f 6e 73 20 |ll combi|nations |
|00000dd0| 6f 66 20 4e 63 6f 6c 6f | 72 73 5b 69 5d 20 63 6f |of Ncolo|rs[i] co|
|00000de0| 6c 6f 72 0a 58 20 2a 20 | 76 61 6c 75 65 73 20 66 |lor.X * |values f|
|00000df0| 6f 72 20 74 68 65 20 69 | 27 74 68 20 63 6f 6d 70 |or the i|'th comp|
|00000e00| 6f 6e 65 6e 74 2e 20 20 | 54 68 65 20 4e 63 6f 6c |onent. |The Ncol|
|00000e10| 6f 72 73 5b 5d 20 76 61 | 6c 75 65 73 20 61 72 65 |ors[] va|lues are|
|00000e20| 20 63 68 6f 73 65 6e 20 | 73 6f 20 74 68 61 74 0a | chosen |so that.|
|00000e30| 58 20 2a 20 74 68 65 69 | 72 20 70 72 6f 64 75 63 |X * thei|r produc|
|00000e40| 74 2c 20 74 68 65 20 74 | 6f 74 61 6c 20 6e 75 6d |t, the t|otal num|
|00000e50| 62 65 72 20 6f 66 20 63 | 6f 6c 6f 72 73 2c 20 69 |ber of c|olors, i|
|00000e60| 73 20 6e 6f 20 6d 6f 72 | 65 20 74 68 61 6e 20 74 |s no mor|e than t|
|00000e70| 68 61 74 20 72 65 71 75 | 65 73 74 65 64 2e 0a 58 |hat requ|ested..X|
|00000e80| 20 2a 20 28 49 6e 20 6d | 6f 73 74 20 63 61 73 65 | * (In m|ost case|
|00000e90| 73 2c 20 74 68 65 20 70 | 72 6f 64 75 63 74 20 77 |s, the p|roduct w|
|00000ea0| 69 6c 6c 20 62 65 20 73 | 6f 6d 65 77 68 61 74 20 |ill be s|omewhat |
|00000eb0| 6c 65 73 73 2e 29 0a 58 | 20 2a 0a 58 20 2a 20 53 |less.).X| *.X * S|
|00000ec0| 69 6e 63 65 20 74 68 65 | 20 63 6f 6c 6f 72 6d 61 |ince the| colorma|
|00000ed0| 70 20 69 73 20 6f 72 74 | 68 6f 67 6f 6e 61 6c 2c |p is ort|hogonal,|
|00000ee0| 20 74 68 65 20 72 65 70 | 72 65 73 65 6e 74 61 74 | the rep|resentat|
|00000ef0| 69 76 65 20 76 61 6c 75 | 65 20 66 6f 72 20 65 61 |ive valu|e for ea|
|00000f00| 63 68 20 63 6f 6c 6f 72 | 0a 58 20 2a 20 63 6f 6d |ch color|.X * com|
|00000f10| 70 6f 6e 65 6e 74 20 63 | 61 6e 20 62 65 20 64 65 |ponent c|an be de|
|00000f20| 74 65 72 6d 69 6e 65 64 | 20 77 69 74 68 6f 75 74 |termined| without|
|00000f30| 20 63 6f 6e 73 69 64 65 | 72 69 6e 67 20 74 68 65 | conside|ring the|
|00000f40| 20 6f 74 68 65 72 20 63 | 6f 6d 70 6f 6e 65 6e 74 | other c|omponent|
|00000f50| 73 3b 0a 58 20 2a 20 74 | 68 65 6e 20 74 68 65 73 |s;.X * t|hen thes|
|00000f60| 65 20 69 6e 64 65 78 65 | 73 20 63 61 6e 20 62 65 |e indexe|s can be|
|00000f70| 20 63 6f 6d 62 69 6e 65 | 64 20 69 6e 74 6f 20 61 | combine|d into a|
|00000f80| 20 63 6f 6c 6f 72 6d 61 | 70 20 69 6e 64 65 78 20 | colorma|p index |
|00000f90| 62 79 20 61 20 73 74 61 | 6e 64 61 72 64 0a 58 20 |by a sta|ndard.X |
|00000fa0| 2a 20 4e 2d 64 69 6d 65 | 6e 73 69 6f 6e 61 6c 2d |* N-dime|nsional-|
|00000fb0| 61 72 72 61 79 2d 73 75 | 62 73 63 72 69 70 74 20 |array-su|bscript |
|00000fc0| 63 61 6c 63 75 6c 61 74 | 69 6f 6e 2e 20 20 4d 6f |calculat|ion. Mo|
|00000fd0| 73 74 20 6f 66 20 74 68 | 65 20 61 72 69 74 68 6d |st of th|e arithm|
|00000fe0| 65 74 69 63 20 69 6e 76 | 6f 6c 76 65 64 0a 58 20 |etic inv|olved.X |
|00000ff0| 2a 20 63 61 6e 20 62 65 | 20 70 72 65 63 61 6c 63 |* can be| precalc|
|00001000| 75 6c 61 74 65 64 20 61 | 6e 64 20 73 74 6f 72 65 |ulated a|nd store|
|00001010| 64 20 69 6e 20 74 68 65 | 20 6c 6f 6f 6b 75 70 20 |d in the| lookup |
|00001020| 74 61 62 6c 65 20 63 6f | 6c 6f 72 69 6e 64 65 78 |table co|lorindex|
|00001030| 5b 5d 2e 0a 58 20 2a 20 | 63 6f 6c 6f 72 69 6e 64 |[]..X * |colorind|
|00001040| 65 78 5b 69 5d 5b 6a 5d | 20 6d 61 70 73 20 70 69 |ex[i][j]| maps pi|
|00001050| 78 65 6c 20 76 61 6c 75 | 65 20 6a 20 69 6e 20 63 |xel valu|e j in c|
|00001060| 6f 6d 70 6f 6e 65 6e 74 | 20 69 20 74 6f 20 74 68 |omponent| i to th|
|00001070| 65 20 6e 65 61 72 65 73 | 74 0a 58 20 2a 20 72 65 |e neares|t.X * re|
|00001080| 70 72 65 73 65 6e 74 61 | 74 69 76 65 20 76 61 6c |presenta|tive val|
|00001090| 75 65 20 28 67 72 69 64 | 20 70 6c 61 6e 65 29 20 |ue (grid| plane) |
|000010a0| 66 6f 72 20 74 68 61 74 | 20 63 6f 6d 70 6f 6e 65 |for that| compone|
|000010b0| 6e 74 3b 20 74 68 69 73 | 20 69 6e 64 65 78 20 69 |nt; this| index i|
|000010c0| 73 0a 58 20 2a 20 6d 75 | 6c 74 69 70 6c 69 65 64 |s.X * mu|ltiplied|
|000010d0| 20 62 79 20 74 68 65 20 | 61 72 72 61 79 20 73 74 | by the |array st|
|000010e0| 72 69 64 65 20 66 6f 72 | 20 63 6f 6d 70 6f 6e 65 |ride for| compone|
|000010f0| 6e 74 20 69 2c 20 73 6f | 20 74 68 61 74 20 74 68 |nt i, so| that th|
|00001100| 65 0a 58 20 2a 20 69 6e | 64 65 78 20 6f 66 20 74 |e.X * in|dex of t|
|00001110| 68 65 20 63 6f 6c 6f 72 | 6d 61 70 20 65 6e 74 72 |he color|map entr|
|00001120| 79 20 63 6c 6f 73 65 73 | 74 20 74 6f 20 61 20 67 |y closes|t to a g|
|00001130| 69 76 65 6e 20 70 69 78 | 65 6c 20 76 61 6c 75 65 |iven pix|el value|
|00001140| 20 69 73 20 6a 75 73 74 | 0a 58 20 2a 20 20 20 20 | is just|.X * |
|00001150| 73 75 6d 28 20 63 6f 6c | 6f 72 69 6e 64 65 78 5b |sum( col|orindex[|
|00001160| 63 6f 6d 70 6f 6e 65 6e | 74 2d 6e 75 6d 62 65 72 |componen|t-number|
|00001170| 5d 5b 70 69 78 65 6c 2d | 63 6f 6d 70 6f 6e 65 6e |][pixel-|componen|
|00001180| 74 2d 76 61 6c 75 65 5d | 20 29 0a 58 20 2a 20 41 |t-value]| ).X * A|
|00001190| 73 69 64 65 20 66 72 6f | 6d 20 62 65 69 6e 67 20 |side fro|m being |
|000011a0| 66 61 73 74 2c 20 74 68 | 69 73 20 73 63 68 65 6d |fast, th|is schem|
|000011b0| 65 20 61 6c 6c 6f 77 73 | 20 66 6f 72 20 76 61 72 |e allows| for var|
|000011c0| 69 61 62 6c 65 20 73 70 | 61 63 69 6e 67 20 62 65 |iable sp|acing be|
|000011d0| 74 77 65 65 6e 0a 58 20 | 2a 20 72 65 70 72 65 73 |tween.X |* repres|
|000011e0| 65 6e 74 61 74 69 76 65 | 20 76 61 6c 75 65 73 20 |entative| values |
|000011f0| 77 69 74 68 20 6e 6f 20 | 61 64 64 69 74 69 6f 6e |with no |addition|
|00001200| 61 6c 20 6c 6f 6f 6b 75 | 70 20 63 6f 73 74 2e 0a |al looku|p cost..|
|00001210| 58 20 2a 2f 0a 58 0a 58 | 0a 58 23 64 65 66 69 6e |X */.X.X|.X#defin|
|00001220| 65 20 4d 41 58 5f 43 4f | 4d 50 4f 4e 45 4e 54 53 |e MAX_CO|MPONENTS|
|00001230| 20 34 09 2f 2a 20 6d 61 | 78 20 63 6f 6d 70 6f 6e | 4./* ma|x compon|
|00001240| 65 6e 74 73 20 49 20 63 | 61 6e 20 68 61 6e 64 6c |ents I c|an handl|
|00001250| 65 20 2a 2f 0a 58 0a 58 | 73 74 61 74 69 63 20 4a |e */.X.X|static J|
|00001260| 53 41 4d 50 41 52 52 41 | 59 20 63 6f 6c 6f 72 6d |SAMPARRA|Y colorm|
|00001270| 61 70 3b 09 2f 2a 20 54 | 68 65 20 61 63 74 75 61 |ap;./* T|he actua|
|00001280| 6c 20 63 6f 6c 6f 72 20 | 6d 61 70 20 2a 2f 0a 58 |l color |map */.X|
|00001290| 2f 2a 20 63 6f 6c 6f 72 | 6d 61 70 5b 69 5d 5b 6a |/* color|map[i][j|
|000012a0| 5d 20 3d 20 76 61 6c 75 | 65 20 6f 66 20 69 27 74 |] = valu|e of i't|
|000012b0| 68 20 63 6f 6c 6f 72 20 | 63 6f 6d 70 6f 6e 65 6e |h color |componen|
|000012c0| 74 20 66 6f 72 20 6f 75 | 74 70 75 74 20 70 69 78 |t for ou|tput pix|
|000012d0| 65 6c 20 76 61 6c 75 65 | 20 6a 20 2a 2f 0a 58 0a |el value| j */.X.|
|000012e0| 58 73 74 61 74 69 63 20 | 4a 53 41 4d 50 41 52 52 |Xstatic |JSAMPARR|
|000012f0| 41 59 20 63 6f 6c 6f 72 | 69 6e 64 65 78 3b 09 2f |AY color|index;./|
|00001300| 2a 20 50 72 65 63 6f 6d | 70 75 74 65 64 20 6d 61 |* Precom|puted ma|
|00001310| 70 70 69 6e 67 20 66 6f | 72 20 73 70 65 65 64 20 |pping fo|r speed |
|00001320| 2a 2f 0a 58 2f 2a 20 63 | 6f 6c 6f 72 69 6e 64 65 |*/.X/* c|olorinde|
|00001330| 78 5b 69 5d 5b 6a 5d 20 | 3d 20 69 6e 64 65 78 20 |x[i][j] |= index |
|00001340| 6f 66 20 63 6f 6c 6f 72 | 20 63 6c 6f 73 65 73 74 |of color| closest|
|00001350| 20 74 6f 20 70 69 78 65 | 6c 20 76 61 6c 75 65 20 | to pixe|l value |
|00001360| 6a 20 69 6e 20 63 6f 6d | 70 6f 6e 65 6e 74 20 69 |j in com|ponent i|
|00001370| 2c 0a 58 20 2a 20 70 72 | 65 6d 75 6c 74 69 70 6c |,.X * pr|emultipl|
|00001380| 69 65 64 20 61 73 20 64 | 65 73 63 72 69 62 65 64 |ied as d|escribed|
|00001390| 20 61 62 6f 76 65 2e 20 | 20 53 69 6e 63 65 20 63 | above. | Since c|
|000013a0| 6f 6c 6f 72 6d 61 70 20 | 69 6e 64 65 78 65 73 20 |olormap |indexes |
|000013b0| 6d 75 73 74 20 66 69 74 | 20 69 6e 74 6f 0a 58 20 |must fit| into.X |
|000013c0| 2a 20 4a 53 41 4d 50 4c | 45 73 2c 20 74 68 65 20 |* JSAMPL|Es, the |
|000013d0| 65 6e 74 72 69 65 73 20 | 6f 66 20 74 68 69 73 20 |entries |of this |
|000013e0| 61 72 72 61 79 20 77 69 | 6c 6c 20 74 6f 6f 2e 0a |array wi|ll too..|
|000013f0| 58 20 2a 2f 0a 58 0a 58 | 73 74 61 74 69 63 20 4a |X */.X.X|static J|
|00001400| 53 41 4d 50 41 52 52 41 | 59 20 69 6e 70 75 74 5f |SAMPARRA|Y input_|
|00001410| 62 75 66 66 65 72 3b 09 | 2f 2a 20 63 6f 6c 6f 72 |buffer;.|/* color|
|00001420| 20 63 6f 6e 76 65 72 73 | 69 6f 6e 20 77 6f 72 6b | convers|ion work|
|00001430| 73 70 61 63 65 20 2a 2f | 0a 58 2f 2a 20 53 69 6e |space */|.X/* Sin|
|00001440| 63 65 20 6f 75 72 20 69 | 6e 70 75 74 20 64 61 74 |ce our i|nput dat|
|00001450| 61 20 69 73 20 70 72 65 | 73 65 6e 74 65 64 20 69 |a is pre|sented i|
|00001460| 6e 20 74 68 65 20 4a 50 | 45 47 20 63 6f 6c 6f 72 |n the JP|EG color|
|00001470| 73 70 61 63 65 2c 20 77 | 65 20 68 61 76 65 20 74 |space, w|e have t|
|00001480| 6f 20 63 61 6c 6c 0a 58 | 20 2a 20 63 6f 6c 6f 72 |o call.X| * color|
|00001490| 5f 63 6f 6e 76 65 72 74 | 20 74 6f 20 67 65 74 20 |_convert| to get |
|000014a0| 69 74 20 69 6e 74 6f 20 | 74 68 65 20 6f 75 74 70 |it into |the outp|
|000014b0| 75 74 20 63 6f 6c 6f 72 | 73 70 61 63 65 2e 20 20 |ut color|space. |
|000014c0| 69 6e 70 75 74 5f 62 75 | 66 66 65 72 20 69 73 20 |input_bu|ffer is |
|000014d0| 61 0a 58 20 2a 20 6f 6e | 65 2d 72 6f 77 2d 68 69 |a.X * on|e-row-hi|
|000014e0| 67 68 20 77 6f 72 6b 73 | 70 61 63 65 20 66 6f 72 |gh works|pace for|
|000014f0| 20 74 68 65 20 72 65 73 | 75 6c 74 20 6f 66 20 63 | the res|ult of c|
|00001500| 6f 6c 6f 72 5f 63 6f 6e | 76 65 72 74 2e 0a 58 20 |olor_con|vert..X |
|00001510| 2a 2f 0a 58 0a 58 0a 58 | 2f 2a 20 44 65 63 6c 61 |*/.X.X.X|/* Decla|
|00001520| 72 61 74 69 6f 6e 73 20 | 66 6f 72 20 46 6c 6f 79 |rations |for Floy|
|00001530| 64 2d 53 74 65 69 6e 62 | 65 72 67 20 64 69 74 68 |d-Steinb|erg dith|
|00001540| 65 72 69 6e 67 2e 0a 58 | 20 2a 0a 58 20 2a 20 45 |ering..X| *.X * E|
|00001550| 72 72 6f 72 73 20 61 72 | 65 20 61 63 63 75 6d 75 |rrors ar|e accumu|
|00001560| 6c 61 74 65 64 20 69 6e | 74 6f 20 74 68 65 20 61 |lated in|to the a|
|00001570| 72 72 61 79 73 20 65 76 | 65 6e 72 6f 77 65 72 72 |rrays ev|enrowerr|
|00001580| 73 5b 5d 20 61 6e 64 20 | 6f 64 64 72 6f 77 65 72 |s[] and |oddrower|
|00001590| 72 73 5b 5d 2e 0a 58 20 | 2a 20 54 68 65 73 65 20 |rs[]..X |* These |
|000015a0| 68 61 76 65 20 72 65 73 | 6f 6c 75 74 69 6f 6e 73 |have res|olutions|
|000015b0| 20 6f 66 20 31 2f 31 36 | 74 68 20 6f 66 20 61 20 | of 1/16|th of a |
|000015c0| 70 69 78 65 6c 20 63 6f | 75 6e 74 2e 20 20 54 68 |pixel co|unt. Th|
|000015d0| 65 20 65 72 72 6f 72 20 | 61 74 20 61 20 67 69 76 |e error |at a giv|
|000015e0| 65 6e 0a 58 20 2a 20 70 | 69 78 65 6c 20 69 73 20 |en.X * p|ixel is |
|000015f0| 70 72 6f 70 61 67 61 74 | 65 64 20 74 6f 20 69 74 |propagat|ed to it|
|00001600| 73 20 75 6e 70 72 6f 63 | 65 73 73 65 64 20 6e 65 |s unproc|essed ne|
|00001610| 69 67 68 62 6f 72 73 20 | 75 73 69 6e 67 20 74 68 |ighbors |using th|
|00001620| 65 20 73 74 61 6e 64 61 | 72 64 20 46 2d 53 0a 58 |e standa|rd F-S.X|
|00001630| 20 2a 20 66 72 61 63 74 | 69 6f 6e 73 2c 0a 58 20 | * fract|ions,.X |
|00001640| 2a 09 09 2e 2e 2e 09 28 | 68 65 72 65 29 09 37 2f |*......(|here).7/|
|00001650| 31 36 0a 58 20 2a 09 09 | 33 2f 31 36 09 35 2f 31 |16.X *..|3/16.5/1|
|00001660| 36 09 31 2f 31 36 0a 58 | 20 2a 20 57 65 20 77 6f |6.1/16.X| * We wo|
|00001670| 72 6b 20 6c 65 66 74 2d | 74 6f 2d 72 69 67 68 74 |rk left-|to-right|
|00001680| 20 6f 6e 20 65 76 65 6e | 20 72 6f 77 73 2c 20 72 | on even| rows, r|
|00001690| 69 67 68 74 2d 74 6f 2d | 6c 65 66 74 20 6f 6e 20 |ight-to-|left on |
|000016a0| 6f 64 64 20 72 6f 77 73 | 2e 0a 58 20 2a 0a 58 20 |odd rows|..X *.X |
|000016b0| 2a 20 49 6e 20 65 61 63 | 68 20 6f 66 20 74 68 65 |* In eac|h of the|
|000016c0| 20 78 78 78 72 6f 77 65 | 72 72 73 5b 5d 20 61 72 | xxxrowe|rrs[] ar|
|000016d0| 72 61 79 73 2c 20 69 6e | 64 65 78 69 6e 67 20 69 |rays, in|dexing i|
|000016e0| 73 20 5b 63 6f 6d 70 6f | 6e 65 6e 74 23 5d 5b 70 |s [compo|nent#][p|
|000016f0| 6f 73 69 74 69 6f 6e 5d | 2e 0a 58 20 2a 20 57 65 |osition]|..X * We|
|00001700| 20 70 72 6f 76 69 64 65 | 20 28 23 63 6f 6c 75 6d | provide| (#colum|
|00001710| 6e 73 20 2b 20 32 29 20 | 65 6e 74 72 69 65 73 20 |ns + 2) |entries |
|00001720| 70 65 72 20 63 6f 6d 70 | 6f 6e 65 6e 74 3b 20 74 |per comp|onent; t|
|00001730| 68 65 20 65 78 74 72 61 | 20 65 6e 74 72 79 20 61 |he extra| entry a|
|00001740| 74 20 65 61 63 68 0a 58 | 20 2a 20 65 6e 64 20 73 |t each.X| * end s|
|00001750| 61 76 65 73 20 75 73 20 | 66 72 6f 6d 20 73 70 65 |aves us |from spe|
|00001760| 63 69 61 6c 2d 63 61 73 | 69 6e 67 20 74 68 65 20 |cial-cas|ing the |
|00001770| 66 69 72 73 74 20 61 6e | 64 20 6c 61 73 74 20 70 |first an|d last p|
|00001780| 69 78 65 6c 73 2e 0a 58 | 20 2a 20 49 6e 20 65 76 |ixels..X| * In ev|
|00001790| 65 6e 72 6f 77 65 72 72 | 73 5b 5d 2c 20 74 68 65 |enrowerr|s[], the|
|000017a0| 20 65 6e 74 72 69 65 73 | 20 66 6f 72 20 61 20 63 | entries| for a c|
|000017b0| 6f 6d 70 6f 6e 65 6e 74 | 20 61 72 65 20 73 74 6f |omponent| are sto|
|000017c0| 72 65 64 20 6c 65 66 74 | 2d 74 6f 2d 72 69 67 68 |red left|-to-righ|
|000017d0| 74 2c 20 62 75 74 0a 58 | 20 2a 20 69 6e 20 6f 64 |t, but.X| * in od|
|000017e0| 64 72 6f 77 65 72 72 73 | 5b 5d 20 74 68 65 79 20 |drowerrs|[] they |
|000017f0| 61 72 65 20 73 74 6f 72 | 65 64 20 72 69 67 68 74 |are stor|ed right|
|00001800| 2d 74 6f 2d 6c 65 66 74 | 2e 20 20 54 68 69 73 20 |-to-left|. This |
|00001810| 6d 65 61 6e 73 20 77 65 | 20 61 6c 77 61 79 73 0a |means we| always.|
|00001820| 58 20 2a 20 70 72 6f 63 | 65 73 73 20 74 68 65 20 |X * proc|ess the |
|00001830| 63 75 72 72 65 6e 74 20 | 72 6f 77 27 73 20 65 72 |current |row's er|
|00001840| 72 6f 72 20 65 6e 74 72 | 69 65 73 20 69 6e 20 69 |ror entr|ies in i|
|00001850| 6e 63 72 65 61 73 69 6e | 67 20 6f 72 64 65 72 20 |ncreasin|g order |
|00001860| 61 6e 64 20 74 68 65 20 | 6e 65 78 74 0a 58 20 2a |and the |next.X *|
|00001870| 20 72 6f 77 27 73 20 65 | 72 72 6f 72 20 65 6e 74 | row's e|rror ent|
|00001880| 72 69 65 73 20 69 6e 20 | 64 65 63 72 65 61 73 69 |ries in |decreasi|
|00001890| 6e 67 20 6f 72 64 65 72 | 2c 20 72 65 67 61 72 64 |ng order|, regard|
|000018a0| 6c 65 73 73 20 6f 66 20 | 77 68 65 74 68 65 72 20 |less of |whether |
|000018b0| 77 65 20 61 72 65 0a 58 | 20 2a 20 77 6f 72 6b 69 |we are.X| * worki|
|000018c0| 6e 67 20 4c 2d 74 6f 2d | 52 20 6f 72 20 52 2d 74 |ng L-to-|R or R-t|
|000018d0| 6f 2d 4c 20 69 6e 20 74 | 68 65 20 70 69 78 65 6c |o-L in t|he pixel|
|000018e0| 20 64 61 74 61 21 0a 58 | 20 2a 0a 58 20 2a 20 4e | data!.X| *.X * N|
|000018f0| 6f 74 65 3a 20 6f 6e 20 | 61 20 77 69 64 65 20 69 |ote: on |a wide i|
|00001900| 6d 61 67 65 2c 20 77 65 | 20 6d 69 67 68 74 20 6e |mage, we| might n|
|00001910| 6f 74 20 68 61 76 65 20 | 65 6e 6f 75 67 68 20 72 |ot have |enough r|
|00001920| 6f 6f 6d 20 69 6e 20 61 | 20 50 43 27 73 20 6e 65 |oom in a| PC's ne|
|00001930| 61 72 20 64 61 74 61 0a | 58 20 2a 20 73 65 67 6d |ar data.|X * segm|
|00001940| 65 6e 74 20 74 6f 20 68 | 6f 6c 64 20 74 68 65 20 |ent to h|old the |
|00001950| 65 72 72 6f 72 20 61 72 | 72 61 79 73 3b 20 73 6f |error ar|rays; so|
|00001960| 20 74 68 65 79 20 61 72 | 65 20 61 6c 6c 6f 63 61 | they ar|e alloca|
|00001970| 74 65 64 20 77 69 74 68 | 20 61 6c 6c 6f 63 5f 6d |ted with| alloc_m|
|00001980| 65 64 69 75 6d 2e 0a 58 | 20 2a 2f 0a 58 0a 58 23 |edium..X| */.X.X#|
|00001990| 69 66 64 65 66 20 45 49 | 47 48 54 5f 42 49 54 5f |ifdef EI|GHT_BIT_|
|000019a0| 53 41 4d 50 4c 45 53 0a | 58 74 79 70 65 64 65 66 |SAMPLES.|Xtypedef|
|000019b0| 20 49 4e 54 31 36 20 46 | 53 45 52 52 4f 52 3b 09 | INT16 F|SERROR;.|
|000019c0| 09 2f 2a 20 31 36 20 62 | 69 74 73 20 73 68 6f 75 |./* 16 b|its shou|
|000019d0| 6c 64 20 62 65 20 65 6e | 6f 75 67 68 20 2a 2f 0a |ld be en|ough */.|
|000019e0| 58 23 65 6c 73 65 0a 58 | 74 79 70 65 64 65 66 20 |X#else.X|typedef |
|000019f0| 49 4e 54 33 32 20 46 53 | 45 52 52 4f 52 3b 09 09 |INT32 FS|ERROR;..|
|00001a00| 2f 2a 20 6d 61 79 20 6e | 65 65 64 20 6d 6f 72 65 |/* may n|eed more|
|00001a10| 20 74 68 61 6e 20 31 36 | 20 62 69 74 73 3f 20 2a | than 16| bits? *|
|00001a20| 2f 0a 58 23 65 6e 64 69 | 66 0a 58 0a 58 74 79 70 |/.X#endi|f.X.Xtyp|
|00001a30| 65 64 65 66 20 46 53 45 | 52 52 4f 52 20 46 41 52 |edef FSE|RROR FAR|
|00001a40| 20 2a 46 53 45 52 52 50 | 54 52 3b 09 2f 2a 20 70 | *FSERRP|TR;./* p|
|00001a50| 6f 69 6e 74 65 72 20 74 | 6f 20 65 72 72 6f 72 20 |ointer t|o error |
|00001a60| 61 72 72 61 79 20 28 69 | 6e 20 46 41 52 20 73 74 |array (i|n FAR st|
|00001a70| 6f 72 61 67 65 21 29 20 | 2a 2f 0a 58 0a 58 73 74 |orage!) |*/.X.Xst|
|00001a80| 61 74 69 63 20 46 53 45 | 52 52 50 54 52 20 65 76 |atic FSE|RRPTR ev|
|00001a90| 65 6e 72 6f 77 65 72 72 | 73 5b 4d 41 58 5f 43 4f |enrowerr|s[MAX_CO|
|00001aa0| 4d 50 4f 4e 45 4e 54 53 | 5d 3b 20 2f 2a 20 65 72 |MPONENTS|]; /* er|
|00001ab0| 72 6f 72 73 20 66 6f 72 | 20 65 76 65 6e 20 72 6f |rors for| even ro|
|00001ac0| 77 73 20 2a 2f 0a 58 73 | 74 61 74 69 63 20 46 53 |ws */.Xs|tatic FS|
|00001ad0| 45 52 52 50 54 52 20 6f | 64 64 72 6f 77 65 72 72 |ERRPTR o|ddrowerr|
|00001ae0| 73 5b 4d 41 58 5f 43 4f | 4d 50 4f 4e 45 4e 54 53 |s[MAX_CO|MPONENTS|
|00001af0| 5d 3b 20 20 2f 2a 20 65 | 72 72 6f 72 73 20 66 6f |]; /* e|rrors fo|
|00001b00| 72 20 6f 64 64 20 72 6f | 77 73 20 2a 2f 0a 58 73 |r odd ro|ws */.Xs|
|00001b10| 74 61 74 69 63 20 62 6f | 6f 6c 65 61 6e 20 6f 6e |tatic bo|olean on|
|00001b20| 5f 6f 64 64 5f 72 6f 77 | 3b 09 2f 2a 20 66 6c 61 |_odd_row|;./* fla|
|00001b30| 67 20 74 6f 20 72 65 6d | 65 6d 62 65 72 20 77 68 |g to rem|ember wh|
|00001b40| 69 63 68 20 72 6f 77 20 | 77 65 20 61 72 65 20 6f |ich row |we are o|
|00001b50| 6e 20 2a 2f 0a 58 0a 58 | 0a 58 2f 2a 0a 58 20 2a |n */.X.X|.X/*.X *|
|00001b60| 20 50 6f 6c 69 63 79 2d | 6d 61 6b 69 6e 67 20 73 | Policy-|making s|
|00001b70| 75 62 72 6f 75 74 69 6e | 65 73 20 66 6f 72 20 63 |ubroutin|es for c|
|00001b80| 6f 6c 6f 72 5f 71 75 61 | 6e 74 5f 69 6e 69 74 3a |olor_qua|nt_init:|
|00001b90| 20 74 68 65 73 65 20 72 | 6f 75 74 69 6e 65 73 20 | these r|outines |
|00001ba0| 64 65 74 65 72 6d 69 6e | 65 0a 58 20 2a 20 74 68 |determin|e.X * th|
|00001bb0| 65 20 63 6f 6c 6f 72 6d | 61 70 20 74 6f 20 62 65 |e colorm|ap to be|
|00001bc0| 20 75 73 65 64 2e 20 20 | 54 68 65 20 72 65 73 74 | used. |The rest|
|00001bd0| 20 6f 66 20 74 68 65 20 | 6d 6f 64 75 6c 65 20 6f | of the |module o|
|00001be0| 6e 6c 79 20 61 73 73 75 | 6d 65 73 20 74 68 61 74 |nly assu|mes that|
|00001bf0| 20 74 68 65 0a 58 20 2a | 20 63 6f 6c 6f 72 6d 61 | the.X *| colorma|
|00001c00| 70 20 69 73 20 6f 72 74 | 68 6f 67 6f 6e 61 6c 2e |p is ort|hogonal.|
|00001c10| 0a 58 20 2a 0a 58 20 2a | 20 20 2a 20 73 65 6c 65 |.X *.X *| * sele|
|00001c20| 63 74 5f 6e 63 6f 6c 6f | 72 73 20 64 65 63 69 64 |ct_ncolo|rs decid|
|00001c30| 65 73 20 68 6f 77 20 74 | 6f 20 64 69 76 76 79 20 |es how t|o divvy |
|00001c40| 75 70 20 74 68 65 20 61 | 76 61 69 6c 61 62 6c 65 |up the a|vailable|
|00001c50| 20 63 6f 6c 6f 72 73 0a | 58 20 2a 20 20 20 20 61 | colors.|X * a|
|00001c60| 6d 6f 6e 67 20 74 68 65 | 20 63 6f 6d 70 6f 6e 65 |mong the| compone|
|00001c70| 6e 74 73 2e 0a 58 20 2a | 20 20 2a 20 6f 75 74 70 |nts..X *| * outp|
|00001c80| 75 74 5f 76 61 6c 75 65 | 20 64 65 66 69 6e 65 73 |ut_value| defines|
|00001c90| 20 74 68 65 20 73 65 74 | 20 6f 66 20 72 65 70 72 | the set| of repr|
|00001ca0| 65 73 65 6e 74 61 74 69 | 76 65 20 76 61 6c 75 65 |esentati|ve value|
|00001cb0| 73 20 66 6f 72 20 61 20 | 63 6f 6d 70 6f 6e 65 6e |s for a |componen|
|00001cc0| 74 2e 0a 58 20 2a 20 20 | 2a 20 6c 61 72 67 65 73 |t..X * |* larges|
|00001cd0| 74 5f 69 6e 70 75 74 5f | 76 61 6c 75 65 20 64 65 |t_input_|value de|
|00001ce0| 66 69 6e 65 73 20 74 68 | 65 20 6d 61 70 70 69 6e |fines th|e mappin|
|00001cf0| 67 20 66 72 6f 6d 20 69 | 6e 70 75 74 20 76 61 6c |g from i|nput val|
|00001d00| 75 65 73 20 74 6f 0a 58 | 20 2a 20 20 20 20 72 65 |ues to.X| * re|
|00001d10| 70 72 65 73 65 6e 74 61 | 74 69 76 65 20 76 61 6c |presenta|tive val|
|00001d20| 75 65 73 20 66 6f 72 20 | 61 20 63 6f 6d 70 6f 6e |ues for |a compon|
|00001d30| 65 6e 74 2e 0a 58 20 2a | 20 4e 6f 74 65 20 74 68 |ent..X *| Note th|
|00001d40| 61 74 20 74 68 65 20 6c | 61 74 74 65 72 20 74 77 |at the l|atter tw|
|00001d50| 6f 20 72 6f 75 74 69 6e | 65 73 20 6d 61 79 20 69 |o routin|es may i|
|00001d60| 6d 70 6f 73 65 20 64 69 | 66 66 65 72 65 6e 74 20 |mpose di|fferent |
|00001d70| 70 6f 6c 69 63 69 65 73 | 20 66 6f 72 0a 58 20 2a |policies| for.X *|
|00001d80| 20 64 69 66 66 65 72 65 | 6e 74 20 63 6f 6d 70 6f | differe|nt compo|
|00001d90| 6e 65 6e 74 73 2c 20 74 | 68 6f 75 67 68 20 74 68 |nents, t|hough th|
|00001da0| 69 73 20 69 73 20 6e 6f | 74 20 63 75 72 72 65 6e |is is no|t curren|
|00001db0| 74 6c 79 20 64 6f 6e 65 | 2e 0a 58 20 2a 2f 0a 58 |tly done|..X */.X|
|00001dc0| 0a 58 0a 58 4c 4f 43 41 | 4c 20 69 6e 74 0a 58 73 |.X.XLOCA|L int.Xs|
|00001dd0| 65 6c 65 63 74 5f 6e 63 | 6f 6c 6f 72 73 20 28 64 |elect_nc|olors (d|
|00001de0| 65 63 6f 6d 70 72 65 73 | 73 5f 69 6e 66 6f 5f 70 |ecompres|s_info_p|
|00001df0| 74 72 20 63 69 6e 66 6f | 2c 20 69 6e 74 20 4e 63 |tr cinfo|, int Nc|
|00001e00| 6f 6c 6f 72 73 5b 5d 29 | 0a 58 2f 2a 20 44 65 74 |olors[])|.X/* Det|
|00001e10| 65 72 6d 69 6e 65 20 61 | 6c 6c 6f 63 61 74 69 6f |ermine a|llocatio|
|00001e20| 6e 20 6f 66 20 64 65 73 | 69 72 65 64 20 63 6f 6c |n of des|ired col|
|00001e30| 6f 72 73 20 74 6f 20 63 | 6f 6d 70 6f 6e 65 6e 74 |ors to c|omponent|
|00001e40| 73 2c 20 2a 2f 0a 58 2f | 2a 20 61 6e 64 20 66 69 |s, */.X/|* and fi|
|00001e50| 6c 6c 20 69 6e 20 4e 63 | 6f 6c 6f 72 73 5b 5d 20 |ll in Nc|olors[] |
|00001e60| 61 72 72 61 79 20 74 6f | 20 69 6e 64 69 63 61 74 |array to| indicat|
|00001e70| 65 20 63 68 6f 69 63 65 | 2e 20 2a 2f 0a 58 2f 2a |e choice|. */.X/*|
|00001e80| 20 52 65 74 75 72 6e 20 | 76 61 6c 75 65 20 69 73 | Return |value is|
|00001e90| 20 74 6f 74 61 6c 20 6e | 75 6d 62 65 72 20 6f 66 | total n|umber of|
|00001ea0| 20 63 6f 6c 6f 72 73 20 | 28 70 72 6f 64 75 63 74 | colors |(product|
|00001eb0| 20 6f 66 20 4e 63 6f 6c | 6f 72 73 5b 5d 20 76 61 | of Ncol|ors[] va|
|00001ec0| 6c 75 65 73 29 2e 20 2a | 2f 0a 58 7b 0a 58 20 20 |lues). *|/.X{.X |
|00001ed0| 69 6e 74 20 6e 63 20 3d | 20 63 69 6e 66 6f 2d 3e |int nc =| cinfo->|
|00001ee0| 63 6f 6c 6f 72 5f 6f 75 | 74 5f 63 6f 6d 70 73 3b |color_ou|t_comps;|
|00001ef0| 20 2f 2a 20 6e 75 6d 62 | 65 72 20 6f 66 20 63 6f | /* numb|er of co|
|00001f00| 6c 6f 72 20 63 6f 6d 70 | 6f 6e 65 6e 74 73 20 2a |lor comp|onents *|
|00001f10| 2f 0a 58 20 20 69 6e 74 | 20 6d 61 78 5f 63 6f 6c |/.X int| max_col|
|00001f20| 6f 72 73 20 3d 20 63 69 | 6e 66 6f 2d 3e 64 65 73 |ors = ci|nfo->des|
|00001f30| 69 72 65 64 5f 6e 75 6d | 62 65 72 5f 6f 66 5f 63 |ired_num|ber_of_c|
|00001f40| 6f 6c 6f 72 73 3b 0a 58 | 20 20 69 6e 74 20 74 6f |olors;.X| int to|
|00001f50| 74 61 6c 5f 63 6f 6c 6f | 72 73 2c 20 69 72 6f 6f |tal_colo|rs, iroo|
|00001f60| 74 2c 20 69 3b 0a 58 20 | 20 6c 6f 6e 67 20 74 65 |t, i;.X | long te|
|00001f70| 6d 70 3b 0a 58 20 20 62 | 6f 6f 6c 65 61 6e 20 63 |mp;.X b|oolean c|
|00001f80| 68 61 6e 67 65 64 3b 0a | 58 0a 58 20 20 2f 2a 20 |hanged;.|X.X /* |
|00001f90| 57 65 20 63 61 6e 20 61 | 6c 6c 6f 63 61 74 65 20 |We can a|llocate |
|00001fa0| 61 74 20 6c 65 61 73 74 | 20 74 68 65 20 6e 63 27 |at least| the nc'|
|00001fb0| 74 68 20 72 6f 6f 74 20 | 6f 66 20 6d 61 78 5f 63 |th root |of max_c|
|00001fc0| 6f 6c 6f 72 73 20 70 65 | 72 20 63 6f 6d 70 6f 6e |olors pe|r compon|
|00001fd0| 65 6e 74 2e 20 2a 2f 0a | 58 20 20 2f 2a 20 43 6f |ent. */.|X /* Co|
|00001fe0| 6d 70 75 74 65 20 66 6c | 6f 6f 72 28 6e 63 27 74 |mpute fl|oor(nc't|
|00001ff0| 68 20 72 6f 6f 74 20 6f | 66 20 6d 61 78 5f 63 6f |h root o|f max_co|
|00002000| 6c 6f 72 73 29 2e 20 2a | 2f 0a 58 20 20 69 72 6f |lors). *|/.X iro|
|00002010| 6f 74 20 3d 20 31 3b 0a | 58 20 20 64 6f 20 7b 0a |ot = 1;.|X do {.|
|00002020| 58 20 20 20 20 69 72 6f | 6f 74 2b 2b 3b 0a 58 20 |X iro|ot++;.X |
|00002030| 20 20 20 74 65 6d 70 20 | 3d 20 69 72 6f 6f 74 3b | temp |= iroot;|
|00002040| 09 09 2f 2a 20 73 65 74 | 20 74 65 6d 70 20 3d 20 |../* set| temp = |
|00002050| 69 72 6f 6f 74 20 2a 2a | 20 6e 63 20 2a 2f 0a 58 |iroot **| nc */.X|
|00002060| 20 20 20 20 66 6f 72 20 | 28 69 20 3d 20 31 3b 20 | for |(i = 1; |
|00002070| 69 20 3c 20 6e 63 3b 20 | 69 2b 2b 29 0a 58 20 20 |i < nc; |i++).X |
|00002080| 20 20 20 20 74 65 6d 70 | 20 2a 3d 20 69 72 6f 6f | temp| *= iroo|
|00002090| 74 3b 0a 58 20 20 7d 20 | 77 68 69 6c 65 20 28 74 |t;.X } |while (t|
|000020a0| 65 6d 70 20 3c 3d 20 28 | 6c 6f 6e 67 29 20 6d 61 |emp <= (|long) ma|
|000020b0| 78 5f 63 6f 6c 6f 72 73 | 29 3b 20 2f 2a 20 72 65 |x_colors|); /* re|
|000020c0| 70 65 61 74 20 74 69 6c | 6c 20 69 72 6f 6f 74 20 |peat til|l iroot |
|000020d0| 65 78 63 65 65 64 73 20 | 72 6f 6f 74 20 2a 2f 0a |exceeds |root */.|
|000020e0| 58 20 20 69 72 6f 6f 74 | 2d 2d 3b 09 09 09 2f 2a |X iroot|--;.../*|
|000020f0| 20 6e 6f 77 20 69 72 6f | 6f 74 20 3d 20 66 6c 6f | now iro|ot = flo|
|00002100| 6f 72 28 72 6f 6f 74 29 | 20 2a 2f 0a 58 0a 58 20 |or(root)| */.X.X |
|00002110| 20 2f 2a 20 4d 75 73 74 | 20 68 61 76 65 20 61 74 | /* Must| have at|
|00002120| 20 6c 65 61 73 74 20 32 | 20 63 6f 6c 6f 72 20 76 | least 2| color v|
|00002130| 61 6c 75 65 73 20 70 65 | 72 20 63 6f 6d 70 6f 6e |alues pe|r compon|
|00002140| 65 6e 74 20 2a 2f 0a 58 | 20 20 69 66 20 28 69 72 |ent */.X| if (ir|
|00002150| 6f 6f 74 20 3c 20 32 29 | 0a 58 20 20 20 20 45 52 |oot < 2)|.X ER|
|00002160| 52 45 58 49 54 31 28 63 | 69 6e 66 6f 2d 3e 65 6d |REXIT1(c|info->em|
|00002170| 65 74 68 6f 64 73 2c 20 | 22 43 61 6e 6e 6f 74 20 |ethods, |"Cannot |
|00002180| 71 75 61 6e 74 69 7a 65 | 20 74 6f 20 66 65 77 65 |quantize| to fewe|
|00002190| 72 20 74 68 61 6e 20 25 | 64 20 63 6f 6c 6f 72 73 |r than %|d colors|
|000021a0| 22 2c 0a 58 09 20 20 20 | 20 20 28 69 6e 74 29 20 |",.X. | (int) |
|000021b0| 74 65 6d 70 29 3b 0a 58 | 0a 58 20 20 69 66 20 28 |temp);.X|.X if (|
|000021c0| 63 69 6e 66 6f 2d 3e 6f | 75 74 5f 63 6f 6c 6f 72 |cinfo->o|ut_color|
|000021d0| 5f 73 70 61 63 65 20 3d | 3d 20 43 53 5f 52 47 42 |_space =|= CS_RGB|
|000021e0| 20 26 26 20 6e 63 20 3d | 3d 20 33 29 20 7b 0a 58 | && nc =|= 3) {.X|
|000021f0| 20 20 20 20 2f 2a 20 57 | 65 20 70 72 6f 76 69 64 | /* W|e provid|
|00002200| 65 20 61 20 73 70 65 63 | 69 61 6c 20 70 6f 6c 69 |e a spec|ial poli|
|00002210| 63 79 20 66 6f 72 20 71 | 75 61 6e 74 69 7a 69 6e |cy for q|uantizin|
|00002220| 67 20 69 6e 20 52 47 42 | 20 73 70 61 63 65 2e 0a |g in RGB| space..|
|00002230| 58 20 20 20 20 20 2a 20 | 49 66 20 32 35 36 20 63 |X * |If 256 c|
|00002240| 6f 6c 6f 72 73 20 61 72 | 65 20 72 65 71 75 65 73 |olors ar|e reques|
|00002250| 74 65 64 2c 20 77 65 20 | 61 6c 6c 6f 63 61 74 65 |ted, we |allocate|
|00002260| 20 38 20 72 65 64 2c 20 | 38 20 67 72 65 65 6e 2c | 8 red, |8 green,|
|00002270| 20 34 20 62 6c 75 65 20 | 6c 65 76 65 6c 73 3b 0a | 4 blue |levels;.|
|00002280| 58 20 20 20 20 20 2a 20 | 74 68 69 73 20 63 6f 72 |X * |this cor|
|00002290| 72 65 73 70 6f 6e 64 73 | 20 74 6f 20 74 68 65 20 |responds| to the |
|000022a0| 63 6f 6d 6d 6f 6e 20 33 | 2f 33 2f 32 2d 62 69 74 |common 3|/3/2-bit|
|000022b0| 20 73 63 68 65 6d 65 2e | 20 20 46 6f 72 20 6f 74 | scheme.| For ot|
|000022c0| 68 65 72 20 74 6f 74 61 | 6c 73 2c 0a 58 20 20 20 |her tota|ls,.X |
|000022d0| 20 20 2a 20 74 68 65 20 | 63 6f 75 6e 74 73 20 61 | * the |counts a|
|000022e0| 72 65 20 73 65 74 20 73 | 6f 20 74 68 61 74 20 74 |re set s|o that t|
|000022f0| 68 65 20 6e 75 6d 62 65 | 72 20 6f 66 20 63 6f 6c |he numbe|r of col|
|00002300| 6f 72 73 20 61 6c 6c 6f | 63 61 74 65 64 20 74 6f |ors allo|cated to|
|00002310| 20 65 61 63 68 0a 58 20 | 20 20 20 20 2a 20 63 6f | each.X | * co|
|00002320| 6d 70 6f 6e 65 6e 74 20 | 61 72 65 20 72 6f 75 67 |mponent |are roug|
|00002330| 68 6c 79 20 69 6e 20 74 | 68 65 20 70 72 6f 70 6f |hly in t|he propo|
|00002340| 72 74 69 6f 6e 20 52 20 | 33 2c 20 47 20 34 2c 20 |rtion R |3, G 4, |
|00002350| 42 20 32 2e 0a 58 20 20 | 20 20 20 2a 20 46 6f 72 |B 2..X | * For|
|00002360| 20 6c 6f 77 20 63 6f 6c | 6f 72 20 63 6f 75 6e 74 | low col|or count|
|00002370| 73 2c 20 69 74 27 73 20 | 65 61 73 69 65 72 20 74 |s, it's |easier t|
|00002380| 6f 20 68 61 72 64 77 69 | 72 65 20 74 68 65 20 6f |o hardwi|re the o|
|00002390| 70 74 69 6d 61 6c 20 63 | 68 6f 69 63 65 73 0a 58 |ptimal c|hoices.X|
|000023a0| 20 20 20 20 20 2a 20 74 | 68 61 6e 20 74 72 79 20 | * t|han try |
|000023b0| 74 6f 20 74 77 65 61 6b | 20 74 68 65 20 61 6c 67 |to tweak| the alg|
|000023c0| 6f 72 69 74 68 6d 20 74 | 6f 20 67 65 6e 65 72 61 |orithm t|o genera|
|000023d0| 74 65 20 74 68 65 6d 2e | 0a 58 20 20 20 20 20 2a |te them.|.X *|
|000023e0| 2f 0a 58 20 20 20 20 69 | 66 20 28 6d 61 78 5f 63 |/.X i|f (max_c|
|000023f0| 6f 6c 6f 72 73 20 3d 3d | 20 32 35 36 29 20 7b 0a |olors ==| 256) {.|
|00002400| 58 20 20 20 20 20 20 4e | 63 6f 6c 6f 72 73 5b 30 |X N|colors[0|
|00002410| 5d 20 3d 20 38 3b 20 20 | 4e 63 6f 6c 6f 72 73 5b |] = 8; |Ncolors[|
|00002420| 31 5d 20 3d 20 38 3b 20 | 20 4e 63 6f 6c 6f 72 73 |1] = 8; | Ncolors|
|00002430| 5b 32 5d 20 3d 20 34 3b | 0a 58 20 20 20 20 20 20 |[2] = 4;|.X |
|00002440| 72 65 74 75 72 6e 20 32 | 35 36 3b 0a 58 20 20 20 |return 2|56;.X |
|00002450| 20 7d 0a 58 20 20 20 20 | 69 66 20 28 6d 61 78 5f | }.X |if (max_|
|00002460| 63 6f 6c 6f 72 73 20 3c | 20 31 32 29 20 7b 0a 58 |colors <| 12) {.X|
|00002470| 20 20 20 20 20 20 2f 2a | 20 46 69 78 65 64 20 6d | /*| Fixed m|
|00002480| 61 70 70 69 6e 67 20 66 | 6f 72 20 38 20 63 6f 6c |apping f|or 8 col|
|00002490| 6f 72 73 20 2a 2f 0a 58 | 20 20 20 20 20 20 4e 63 |ors */.X| Nc|
|000024a0| 6f 6c 6f 72 73 5b 30 5d | 20 3d 20 4e 63 6f 6c 6f |olors[0]| = Ncolo|
|000024b0| 72 73 5b 31 5d 20 3d 20 | 4e 63 6f 6c 6f 72 73 5b |rs[1] = |Ncolors[|
|000024c0| 32 5d 20 3d 20 32 3b 0a | 58 20 20 20 20 7d 20 65 |2] = 2;.|X } e|
|000024d0| 6c 73 65 20 69 66 20 28 | 6d 61 78 5f 63 6f 6c 6f |lse if (|max_colo|
|000024e0| 72 73 20 3c 20 31 38 29 | 20 7b 0a 58 20 20 20 20 |rs < 18)| {.X |
|000024f0| 20 20 2f 2a 20 46 69 78 | 65 64 20 6d 61 70 70 69 | /* Fix|ed mappi|
|00002500| 6e 67 20 66 6f 72 20 31 | 32 20 63 6f 6c 6f 72 73 |ng for 1|2 colors|
|00002510| 20 2a 2f 0a 58 20 20 20 | 20 20 20 4e 63 6f 6c 6f | */.X | Ncolo|
|00002520| 72 73 5b 30 5d 20 3d 20 | 32 3b 20 20 4e 63 6f 6c |rs[0] = |2; Ncol|
|00002530| 6f 72 73 5b 31 5d 20 3d | 20 33 3b 20 20 4e 63 6f |ors[1] =| 3; Nco|
|00002540| 6c 6f 72 73 5b 32 5d 20 | 3d 20 32 3b 0a 58 20 20 |lors[2] |= 2;.X |
|00002550| 20 20 7d 20 65 6c 73 65 | 20 69 66 20 28 6d 61 78 | } else| if (max|
|00002560| 5f 63 6f 6c 6f 72 73 20 | 3c 20 32 34 29 20 7b 0a |_colors |< 24) {.|
|00002570| 58 20 20 20 20 20 20 2f | 2a 20 46 69 78 65 64 20 |X /|* Fixed |
|00002580| 6d 61 70 70 69 6e 67 20 | 66 6f 72 20 31 38 20 63 |mapping |for 18 c|
|00002590| 6f 6c 6f 72 73 20 2a 2f | 0a 58 20 20 20 20 20 20 |olors */|.X |
|000025a0| 4e 63 6f 6c 6f 72 73 5b | 30 5d 20 3d 20 33 3b 20 |Ncolors[|0] = 3; |
|000025b0| 20 4e 63 6f 6c 6f 72 73 | 5b 31 5d 20 3d 20 33 3b | Ncolors|[1] = 3;|
|000025c0| 20 20 4e 63 6f 6c 6f 72 | 73 5b 32 5d 20 3d 20 32 | Ncolor|s[2] = 2|
|000025d0| 3b 0a 58 20 20 20 20 7d | 20 65 6c 73 65 20 69 66 |;.X }| else if|
|000025e0| 20 28 6d 61 78 5f 63 6f | 6c 6f 72 73 20 3c 20 32 | (max_co|lors < 2|
|000025f0| 37 29 20 7b 0a 58 20 20 | 20 20 20 20 2f 2a 20 46 |7) {.X | /* F|
|00002600| 69 78 65 64 20 6d 61 70 | 70 69 6e 67 20 66 6f 72 |ixed map|ping for|
|00002610| 20 32 34 20 63 6f 6c 6f | 72 73 20 2a 2f 0a 58 20 | 24 colo|rs */.X |
|00002620| 20 20 20 20 20 4e 63 6f | 6c 6f 72 73 5b 30 5d 20 | Nco|lors[0] |
|00002630| 3d 20 33 3b 20 20 4e 63 | 6f 6c 6f 72 73 5b 31 5d |= 3; Nc|olors[1]|
|00002640| 20 3d 20 34 3b 20 20 4e | 63 6f 6c 6f 72 73 5b 32 | = 4; N|colors[2|
|00002650| 5d 20 3d 20 32 3b 0a 58 | 20 20 20 20 7d 20 65 6c |] = 2;.X| } el|
|00002660| 73 65 20 69 66 20 28 6d | 61 78 5f 63 6f 6c 6f 72 |se if (m|ax_color|
|00002670| 73 20 3c 20 33 36 29 20 | 7b 0a 58 20 20 20 20 20 |s < 36) |{.X |
|00002680| 20 2f 2a 20 46 69 78 65 | 64 20 6d 61 70 70 69 6e | /* Fixe|d mappin|
|00002690| 67 20 66 6f 72 20 32 37 | 20 63 6f 6c 6f 72 73 20 |g for 27| colors |
|000026a0| 2a 2f 0a 58 20 20 20 20 | 20 20 4e 63 6f 6c 6f 72 |*/.X | Ncolor|
|000026b0| 73 5b 30 5d 20 3d 20 33 | 3b 20 20 4e 63 6f 6c 6f |s[0] = 3|; Ncolo|
|000026c0| 72 73 5b 31 5d 20 3d 20 | 33 3b 20 20 4e 63 6f 6c |rs[1] = |3; Ncol|
|000026d0| 6f 72 73 5b 32 5d 20 3d | 20 33 3b 0a 58 20 20 20 |ors[2] =| 3;.X |
|000026e0| 20 7d 20 65 6c 73 65 20 | 7b 0a 58 20 20 20 20 20 | } else |{.X |
|000026f0| 20 2f 2a 20 74 68 65 73 | 65 20 77 65 69 67 68 74 | /* thes|e weight|
|00002700| 73 20 61 72 65 20 72 65 | 61 64 69 6c 79 20 64 65 |s are re|adily de|
|00002710| 72 69 76 65 64 20 77 69 | 74 68 20 61 20 6c 69 74 |rived wi|th a lit|
|00002720| 74 6c 65 20 61 6c 67 65 | 62 72 61 20 2a 2f 0a 58 |tle alge|bra */.X|
|00002730| 20 20 20 20 20 20 4e 63 | 6f 6c 6f 72 73 5b 30 5d | Nc|olors[0]|
|00002740| 20 3d 20 28 69 72 6f 6f | 74 20 2a 20 32 36 36 29 | = (iroo|t * 266)|
|00002750| 20 3e 3e 20 38 3b 20 2f | 2a 20 52 20 77 65 69 67 | >> 8; /|* R weig|
|00002760| 68 74 20 69 73 20 31 2e | 30 34 30 30 20 2a 2f 0a |ht is 1.|0400 */.|
|00002770| 58 20 20 20 20 20 20 4e | 63 6f 6c 6f 72 73 5b 31 |X N|colors[1|
|00002780| 5d 20 3d 20 28 69 72 6f | 6f 74 20 2a 20 33 35 35 |] = (iro|ot * 355|
|00002790| 29 20 3e 3e 20 38 3b 20 | 2f 2a 20 47 20 77 65 69 |) >> 8; |/* G wei|
|000027a0| 67 68 74 20 69 73 20 31 | 2e 33 38 36 37 20 2a 2f |ght is 1|.3867 */|
|000027b0| 0a 58 20 20 20 20 20 20 | 4e 63 6f 6c 6f 72 73 5b |.X |Ncolors[|
|000027c0| 32 5d 20 3d 20 28 69 72 | 6f 6f 74 20 2a 20 31 37 |2] = (ir|oot * 17|
|000027d0| 37 29 20 3e 3e 20 38 3b | 20 2f 2a 20 42 20 77 65 |7) >> 8;| /* B we|
|000027e0| 69 67 68 74 20 69 73 20 | 30 2e 36 39 33 34 20 2a |ight is |0.6934 *|
|000027f0| 2f 0a 58 20 20 20 20 7d | 0a 58 20 20 20 20 74 6f |/.X }|.X to|
|00002800| 74 61 6c 5f 63 6f 6c 6f | 72 73 20 3d 20 4e 63 6f |tal_colo|rs = Nco|
|00002810| 6c 6f 72 73 5b 30 5d 20 | 2a 20 4e 63 6f 6c 6f 72 |lors[0] |* Ncolor|
|00002820| 73 5b 31 5d 20 2a 20 4e | 63 6f 6c 6f 72 73 5b 32 |s[1] * N|colors[2|
|00002830| 5d 3b 0a 58 20 20 20 20 | 2f 2a 20 54 68 65 20 61 |];.X |/* The a|
|00002840| 62 6f 76 65 20 63 6f 6d | 70 75 74 61 74 69 6f 6e |bove com|putation|
|00002850| 20 70 72 6f 64 75 63 65 | 73 20 22 66 6c 6f 6f 72 | produce|s "floor|
|00002860| 22 20 76 61 6c 75 65 73 | 2c 20 73 6f 20 77 65 20 |" values|, so we |
|00002870| 6d 61 79 20 62 65 20 61 | 62 6c 65 20 74 6f 0a 58 |may be a|ble to.X|
|00002880| 20 20 20 20 20 2a 20 69 | 6e 63 72 65 6d 65 6e 74 | * i|ncrement|
|00002890| 20 74 68 65 20 63 6f 75 | 6e 74 20 66 6f 72 20 6f | the cou|nt for o|
|000028a0| 6e 65 20 6f 72 20 6d 6f | 72 65 20 63 6f 6d 70 6f |ne or mo|re compo|
|000028b0| 6e 65 6e 74 73 20 77 69 | 74 68 6f 75 74 20 65 78 |nents wi|thout ex|
|000028c0| 63 65 65 64 69 6e 67 0a | 58 20 20 20 20 20 2a 20 |ceeding.|X * |
|000028d0| 6d 61 78 5f 63 6f 6c 6f | 72 73 2e 20 20 57 65 20 |max_colo|rs. We |
|000028e0| 74 72 79 20 69 6e 20 74 | 68 65 20 6f 72 64 65 72 |try in t|he order|
|000028f0| 20 42 2c 20 47 2c 20 52 | 2e 0a 58 20 20 20 20 20 | B, G, R|..X |
|00002900| 2a 2f 0a 58 20 20 20 20 | 64 6f 20 7b 0a 58 20 20 |*/.X |do {.X |
|00002910| 20 20 20 20 63 68 61 6e | 67 65 64 20 3d 20 46 41 | chan|ged = FA|
|00002920| 4c 53 45 3b 0a 58 20 20 | 20 20 20 20 66 6f 72 20 |LSE;.X | for |
|00002930| 28 69 20 3d 20 32 3b 20 | 69 20 3e 3d 20 30 3b 20 |(i = 2; |i >= 0; |
|00002940| 69 2d 2d 29 20 7b 0a 58 | 09 2f 2a 20 63 61 6c 63 |i--) {.X|./* calc|
|00002950| 75 6c 61 74 65 20 6e 65 | 77 20 74 6f 74 61 6c 5f |ulate ne|w total_|
|00002960| 63 6f 6c 6f 72 73 20 69 | 66 20 4e 63 6f 6c 6f 72 |colors i|f Ncolor|
|00002970| 73 5b 69 5d 20 69 73 20 | 69 6e 63 72 65 6d 65 6e |s[i] is |incremen|
|00002980| 74 65 64 20 2a 2f 0a 58 | 09 74 65 6d 70 20 3d 20 |ted */.X|.temp = |
|00002990| 74 6f 74 61 6c 5f 63 6f | 6c 6f 72 73 20 2f 20 4e |total_co|lors / N|
|000029a0| 63 6f 6c 6f 72 73 5b 69 | 5d 3b 0a 58 09 74 65 6d |colors[i|];.X.tem|
|000029b0| 70 20 2a 3d 20 4e 63 6f | 6c 6f 72 73 5b 69 5d 2b |p *= Nco|lors[i]+|
|000029c0| 31 3b 09 2f 2a 20 64 6f | 6e 65 20 69 6e 20 6c 6f |1;./* do|ne in lo|
|000029d0| 6e 67 20 61 72 69 74 68 | 20 74 6f 20 61 76 6f 69 |ng arith| to avoi|
|000029e0| 64 20 6f 66 6c 6f 20 2a | 2f 0a 58 09 69 66 20 28 |d oflo *|/.X.if (|
|000029f0| 74 65 6d 70 20 3c 3d 20 | 28 6c 6f 6e 67 29 20 6d |temp <= |(long) m|
|00002a00| 61 78 5f 63 6f 6c 6f 72 | 73 29 20 7b 0a 58 09 20 |ax_color|s) {.X. |
|00002a10| 20 4e 63 6f 6c 6f 72 73 | 5b 69 5d 2b 2b 3b 09 09 | Ncolors|[i]++;..|
|00002a20| 2f 2a 20 4f 4b 2c 20 61 | 70 70 6c 79 20 74 68 65 |/* OK, a|pply the|
|00002a30| 20 69 6e 63 72 65 6d 65 | 6e 74 20 2a 2f 0a 58 09 | increme|nt */.X.|
|00002a40| 20 20 74 6f 74 61 6c 5f | 63 6f 6c 6f 72 73 20 3d | total_|colors =|
|00002a50| 20 28 69 6e 74 29 20 74 | 65 6d 70 3b 0a 58 09 20 | (int) t|emp;.X. |
|00002a60| 20 63 68 61 6e 67 65 64 | 20 3d 20 54 52 55 45 3b | changed| = TRUE;|
|00002a70| 0a 58 09 7d 0a 58 20 20 | 20 20 20 20 7d 0a 58 20 |.X.}.X | }.X |
|00002a80| 20 20 20 7d 20 77 68 69 | 6c 65 20 28 63 68 61 6e | } whi|le (chan|
|00002a90| 67 65 64 29 3b 09 09 2f | 2a 20 6c 6f 6f 70 20 75 |ged);../|* loop u|
|00002aa0| 6e 74 69 6c 20 6e 6f 20 | 69 6e 63 72 65 6d 65 6e |ntil no |incremen|
|00002ab0| 74 20 69 73 20 70 6f 73 | 73 69 62 6c 65 20 2a 2f |t is pos|sible */|
|00002ac0| 0a 58 20 20 7d 20 65 6c | 73 65 20 7b 0a 58 20 20 |.X } el|se {.X |
|00002ad0| 20 20 2f 2a 20 46 6f 72 | 20 61 6e 79 20 63 6f 6c | /* For| any col|
|00002ae0| 6f 72 73 70 61 63 65 20 | 62 65 73 69 64 65 73 20 |orspace |besides |
|00002af0| 52 47 42 2c 20 74 72 65 | 61 74 20 61 6c 6c 20 74 |RGB, tre|at all t|
|00002b00| 68 65 20 63 6f 6d 70 6f | 6e 65 6e 74 73 20 65 71 |he compo|nents eq|
|00002b10| 75 61 6c 6c 79 2e 20 2a | 2f 0a 58 0a 58 20 20 20 |ually. *|/.X.X |
|00002b20| 20 2f 2a 20 49 6e 69 74 | 69 61 6c 69 7a 65 20 74 | /* Init|ialize t|
|00002b30| 6f 20 69 72 6f 6f 74 20 | 63 6f 6c 6f 72 20 76 61 |o iroot |color va|
|00002b40| 6c 75 65 73 20 66 6f 72 | 20 65 61 63 68 20 63 6f |lues for| each co|
|00002b50| 6d 70 6f 6e 65 6e 74 20 | 2a 2f 0a 58 20 20 20 20 |mponent |*/.X |
|00002b60| 74 6f 74 61 6c 5f 63 6f | 6c 6f 72 73 20 3d 20 31 |total_co|lors = 1|
|00002b70| 3b 0a 58 20 20 20 20 66 | 6f 72 20 28 69 20 3d 20 |;.X f|or (i = |
|00002b80| 30 3b 20 69 20 3c 20 6e | 63 3b 20 69 2b 2b 29 20 |0; i < n|c; i++) |
|00002b90| 7b 0a 58 20 20 20 20 20 | 20 4e 63 6f 6c 6f 72 73 |{.X | Ncolors|
|00002ba0| 5b 69 5d 20 3d 20 69 72 | 6f 6f 74 3b 0a 58 20 20 |[i] = ir|oot;.X |
|00002bb0| 20 20 20 20 74 6f 74 61 | 6c 5f 63 6f 6c 6f 72 73 | tota|l_colors|
|00002bc0| 20 2a 3d 20 69 72 6f 6f | 74 3b 0a 58 20 20 20 20 | *= iroo|t;.X |
|00002bd0| 7d 0a 58 20 20 20 20 2f | 2a 20 57 65 20 6d 61 79 |}.X /|* We may|
|00002be0| 20 62 65 20 61 62 6c 65 | 20 74 6f 20 69 6e 63 72 | be able| to incr|
|00002bf0| 65 6d 65 6e 74 20 74 68 | 65 20 63 6f 75 6e 74 20 |ement th|e count |
|00002c00| 66 6f 72 20 6f 6e 65 20 | 6f 72 20 6d 6f 72 65 20 |for one |or more |
|00002c10| 63 6f 6d 70 6f 6e 65 6e | 74 73 20 77 69 74 68 6f |componen|ts witho|
|00002c20| 75 74 0a 58 20 20 20 20 | 20 2a 20 65 78 63 65 65 |ut.X | * excee|
|00002c30| 64 69 6e 67 20 6d 61 78 | 5f 63 6f 6c 6f 72 73 2c |ding max|_colors,|
|00002c40| 20 74 68 6f 75 67 68 20 | 77 65 20 6b 6e 6f 77 20 | though |we know |
|00002c50| 6e 6f 74 20 61 6c 6c 20 | 63 61 6e 20 62 65 20 69 |not all |can be i|
|00002c60| 6e 63 72 65 6d 65 6e 74 | 65 64 2e 0a 58 20 20 20 |ncrement|ed..X |
|00002c70| 20 20 2a 2f 0a 58 20 20 | 20 20 66 6f 72 20 28 69 | */.X | for (i|
|00002c80| 20 3d 20 30 3b 20 69 20 | 3c 20 6e 63 3b 20 69 2b | = 0; i |< nc; i+|
|00002c90| 2b 29 20 7b 0a 58 20 20 | 20 20 20 20 2f 2a 20 63 |+) {.X | /* c|
|00002ca0| 61 6c 63 75 6c 61 74 65 | 20 6e 65 77 20 74 6f 74 |alculate| new tot|
|00002cb0| 61 6c 5f 63 6f 6c 6f 72 | 73 20 69 66 20 4e 63 6f |al_color|s if Nco|
|00002cc0| 6c 6f 72 73 5b 69 5d 20 | 69 73 20 69 6e 63 72 65 |lors[i] |is incre|
|00002cd0| 6d 65 6e 74 65 64 20 2a | 2f 0a 58 20 20 20 20 20 |mented *|/.X |
|00002ce0| 20 74 65 6d 70 20 3d 20 | 74 6f 74 61 6c 5f 63 6f | temp = |total_co|
|00002cf0| 6c 6f 72 73 20 2f 20 4e | 63 6f 6c 6f 72 73 5b 69 |lors / N|colors[i|
|00002d00| 5d 3b 0a 58 20 20 20 20 | 20 20 74 65 6d 70 20 2a |];.X | temp *|
|00002d10| 3d 20 4e 63 6f 6c 6f 72 | 73 5b 69 5d 2b 31 3b 09 |= Ncolor|s[i]+1;.|
|00002d20| 2f 2a 20 64 6f 6e 65 20 | 69 6e 20 6c 6f 6e 67 20 |/* done |in long |
|00002d30| 61 72 69 74 68 20 74 6f | 20 61 76 6f 69 64 20 6f |arith to| avoid o|
|00002d40| 66 6c 6f 20 2a 2f 0a 58 | 20 20 20 20 20 20 69 66 |flo */.X| if|
|00002d50| 20 28 74 65 6d 70 20 3e | 20 28 6c 6f 6e 67 29 20 | (temp >| (long) |
|00002d60| 6d 61 78 5f 63 6f 6c 6f | 72 73 29 0a 58 09 62 72 |max_colo|rs).X.br|
|00002d70| 65 61 6b 3b 09 09 09 2f | 2a 20 77 6f 6e 27 74 20 |eak;.../|* won't |
|00002d80| 66 69 74 2c 20 64 6f 6e | 65 20 2a 2f 0a 58 20 20 |fit, don|e */.X |
|00002d90| 20 20 20 20 4e 63 6f 6c | 6f 72 73 5b 69 5d 2b 2b | Ncol|ors[i]++|
|00002da0| 3b 09 09 2f 2a 20 4f 4b | 2c 20 61 70 70 6c 79 20 |;../* OK|, apply |
|00002db0| 74 68 65 20 69 6e 63 72 | 65 6d 65 6e 74 20 2a 2f |the incr|ement */|
|00002dc0| 0a 58 20 20 20 20 20 20 | 74 6f 74 61 6c 5f 63 6f |.X |total_co|
|00002dd0| 6c 6f 72 73 20 3d 20 28 | 69 6e 74 29 20 74 65 6d |lors = (|int) tem|
|00002de0| 70 3b 0a 58 20 20 20 20 | 7d 0a 58 20 20 7d 0a 58 |p;.X |}.X }.X|
|00002df0| 0a 58 20 20 72 65 74 75 | 72 6e 20 74 6f 74 61 6c |.X retu|rn total|
|00002e00| 5f 63 6f 6c 6f 72 73 3b | 0a 58 7d 0a 58 0a 58 0a |_colors;|.X}.X.X.|
|00002e10| 58 4c 4f 43 41 4c 20 69 | 6e 74 0a 58 6f 75 74 70 |XLOCAL i|nt.Xoutp|
|00002e20| 75 74 5f 76 61 6c 75 65 | 20 28 64 65 63 6f 6d 70 |ut_value| (decomp|
|00002e30| 72 65 73 73 5f 69 6e 66 | 6f 5f 70 74 72 20 63 69 |ress_inf|o_ptr ci|
|00002e40| 6e 66 6f 2c 20 69 6e 74 | 20 63 69 2c 20 69 6e 74 |nfo, int| ci, int|
|00002e50| 20 6a 2c 20 69 6e 74 20 | 6d 61 78 6a 29 0a 58 2f | j, int |maxj).X/|
|00002e60| 2a 20 52 65 74 75 72 6e | 20 6a 27 74 68 20 6f 75 |* Return| j'th ou|
|00002e70| 74 70 75 74 20 76 61 6c | 75 65 2c 20 77 68 65 72 |tput val|ue, wher|
|00002e80| 65 20 6a 20 77 69 6c 6c | 20 72 61 6e 67 65 20 66 |e j will| range f|
|00002e90| 72 6f 6d 20 30 20 74 6f | 20 6d 61 78 6a 20 2a 2f |rom 0 to| maxj */|
|00002ea0| 0a 58 2f 2a 20 54 68 65 | 20 6f 75 74 70 75 74 20 |.X/* The| output |
|00002eb0| 76 61 6c 75 65 73 20 6d | 75 73 74 20 66 61 6c 6c |values m|ust fall|
|00002ec0| 20 69 6e 20 30 2e 2e 4d | 41 58 4a 53 41 4d 50 4c | in 0..M|AXJSAMPL|
|00002ed0| 45 20 69 6e 20 69 6e 63 | 72 65 61 73 69 6e 67 20 |E in inc|reasing |
|00002ee0| 6f 72 64 65 72 20 2a 2f | 0a 58 7b 0a 58 20 20 2f |order */|.X{.X /|
|00002ef0| 2a 20 57 65 20 61 6c 77 | 61 79 73 20 70 72 6f 76 |* We alw|ays prov|
|00002f00| 69 64 65 20 76 61 6c 75 | 65 73 20 30 20 61 6e 64 |ide valu|es 0 and|
|00002f10| 20 4d 41 58 4a 53 41 4d | 50 4c 45 20 66 6f 72 20 | MAXJSAM|PLE for |
|00002f20| 65 61 63 68 20 63 6f 6d | 70 6f 6e 65 6e 74 3b 0a |each com|ponent;.|
|00002f30| 58 20 20 20 2a 20 61 6e | 79 20 61 64 64 69 74 69 |X * an|y additi|
|00002f40| 6f 6e 61 6c 20 76 61 6c | 75 65 73 20 61 72 65 20 |onal val|ues are |
|00002f50| 65 71 75 61 6c 6c 79 20 | 73 70 61 63 65 64 20 62 |equally |spaced b|
|00002f60| 65 74 77 65 65 6e 20 74 | 68 65 73 65 20 6c 69 6d |etween t|hese lim|
|00002f70| 69 74 73 2e 0a 58 20 20 | 20 2a 20 28 46 6f 72 63 |its..X | * (Forc|
|00002f80| 69 6e 67 20 74 68 65 20 | 75 70 70 65 72 20 61 6e |ing the |upper an|
|00002f90| 64 20 6c 6f 77 65 72 20 | 76 61 6c 75 65 73 20 74 |d lower |values t|
|00002fa0| 6f 20 74 68 65 20 6c 69 | 6d 69 74 73 20 65 6e 73 |o the li|mits ens|
|00002fb0| 75 72 65 73 20 74 68 61 | 74 0a 58 20 20 20 2a 20 |ures tha|t.X * |
|00002fc0| 64 69 74 68 65 72 69 6e | 67 20 63 61 6e 27 74 20 |ditherin|g can't |
|00002fd0| 70 72 6f 64 75 63 65 20 | 61 20 63 6f 6c 6f 72 20 |produce |a color |
|00002fe0| 6f 75 74 73 69 64 65 20 | 74 68 65 20 73 65 6c 65 |outside |the sele|
|00002ff0| 63 74 65 64 20 67 61 6d | 75 74 2e 29 0a 58 20 20 |cted gam|ut.).X |
|00003000| 20 2a 2f 0a 58 20 20 72 | 65 74 75 72 6e 20 28 69 | */.X r|eturn (i|
|00003010| 6e 74 29 20 28 28 28 49 | 4e 54 33 32 29 20 6a 20 |nt) (((I|NT32) j |
|00003020| 2a 20 4d 41 58 4a 53 41 | 4d 50 4c 45 20 2b 20 6d |* MAXJSA|MPLE + m|
|00003030| 61 78 6a 2f 32 29 20 2f | 20 6d 61 78 6a 29 3b 0a |axj/2) /| maxj);.|
|00003040| 58 7d 0a 58 0a 58 0a 58 | 4c 4f 43 41 4c 20 69 6e |X}.X.X.X|LOCAL in|
|00003050| 74 0a 58 6c 61 72 67 65 | 73 74 5f 69 6e 70 75 74 |t.Xlarge|st_input|
|00003060| 5f 76 61 6c 75 65 20 28 | 64 65 63 6f 6d 70 72 65 |_value (|decompre|
|00003070| 73 73 5f 69 6e 66 6f 5f | 70 74 72 20 63 69 6e 66 |ss_info_|ptr cinf|
|00003080| 6f 2c 20 69 6e 74 20 63 | 69 2c 20 69 6e 74 20 6a |o, int c|i, int j|
|00003090| 2c 20 69 6e 74 20 6d 61 | 78 6a 29 0a 58 2f 2a 20 |, int ma|xj).X/* |
|000030a0| 52 65 74 75 72 6e 20 6c | 61 72 67 65 73 74 20 69 |Return l|argest i|
|000030b0| 6e 70 75 74 20 76 61 6c | 75 65 20 74 68 61 74 20 |nput val|ue that |
|000030c0| 73 68 6f 75 6c 64 20 6d | 61 70 20 74 6f 20 6a 27 |should m|ap to j'|
|000030d0| 74 68 20 6f 75 74 70 75 | 74 20 76 61 6c 75 65 20 |th outpu|t value |
|000030e0| 2a 2f 0a 58 2f 2a 20 4d | 75 73 74 20 68 61 76 65 |*/.X/* M|ust have|
|000030f0| 20 6c 61 72 67 65 73 74 | 28 6a 3d 30 29 20 3e 3d | largest|(j=0) >=|
|00003100| 20 30 2c 20 61 6e 64 20 | 6c 61 72 67 65 73 74 28 | 0, and |largest(|
|00003110| 6a 3d 6d 61 78 6a 29 20 | 3e 3d 20 4d 41 58 4a 53 |j=maxj) |>= MAXJS|
|00003120| 41 4d 50 4c 45 20 2a 2f | 0a 58 7b 0a 58 20 20 2f |AMPLE */|.X{.X /|
|00003130| 2a 20 42 72 65 61 6b 70 | 6f 69 6e 74 73 20 61 72 |* Breakp|oints ar|
|00003140| 65 20 68 61 6c 66 77 61 | 79 20 62 65 74 77 65 65 |e halfwa|y betwee|
|00003150| 6e 20 76 61 6c 75 65 73 | 20 72 65 74 75 72 6e 65 |n values| returne|
|00003160| 64 20 62 79 20 6f 75 74 | 70 75 74 5f 76 61 6c 75 |d by out|put_valu|
|00003170| 65 20 2a 2f 0a 58 20 20 | 72 65 74 75 72 6e 20 28 |e */.X |return (|
|00003180| 69 6e 74 29 20 28 28 28 | 49 4e 54 33 32 29 20 28 |int) (((|INT32) (|
|00003190| 32 2a 6a 20 2b 20 31 29 | 20 2a 20 4d 41 58 4a 53 |2*j + 1)| * MAXJS|
|000031a0| 41 4d 50 4c 45 20 2b 20 | 6d 61 78 6a 29 20 2f 20 |AMPLE + |maxj) / |
|000031b0| 28 32 2a 6d 61 78 6a 29 | 29 3b 0a 58 7d 0a 58 0a |(2*maxj)|);.X}.X.|
|000031c0| 58 0a 58 2f 2a 0a 58 20 | 2a 20 49 6e 69 74 69 61 |X.X/*.X |* Initia|
|000031d0| 6c 69 7a 65 20 66 6f 72 | 20 6f 6e 65 2d 70 61 73 |lize for| one-pas|
|000031e0| 73 20 63 6f 6c 6f 72 20 | 71 75 61 6e 74 69 7a 61 |s color |quantiza|
|000031f0| 74 69 6f 6e 2e 0a 58 20 | 2a 2f 0a 58 0a 58 4d 45 |tion..X |*/.X.XME|
|00003200| 54 48 4f 44 44 45 46 20 | 76 6f 69 64 0a 58 63 6f |THODDEF |void.Xco|
|00003210| 6c 6f 72 5f 71 75 61 6e | 74 5f 69 6e 69 74 20 28 |lor_quan|t_init (|
|00003220| 64 65 63 6f 6d 70 72 65 | 73 73 5f 69 6e 66 6f 5f |decompre|ss_info_|
|00003230| 70 74 72 20 63 69 6e 66 | 6f 29 0a 58 7b 0a 58 20 |ptr cinf|o).X{.X |
|00003240| 20 69 6e 74 20 74 6f 74 | 61 6c 5f 63 6f 6c 6f 72 | int tot|al_color|
|00003250| 73 3b 09 09 2f 2a 20 4e | 75 6d 62 65 72 20 6f 66 |s;../* N|umber of|
|00003260| 20 64 69 73 74 69 6e 63 | 74 20 6f 75 74 70 75 74 | distinc|t output|
|00003270| 20 63 6f 6c 6f 72 73 20 | 2a 2f 0a 58 20 20 69 6e | colors |*/.X in|
|00003280| 74 20 4e 63 6f 6c 6f 72 | 73 5b 4d 41 58 5f 43 4f |t Ncolor|s[MAX_CO|
|00003290| 4d 50 4f 4e 45 4e 54 53 | 5d 3b 09 2f 2a 20 23 20 |MPONENTS|];./* # |
|000032a0| 6f 66 20 76 61 6c 75 65 | 73 20 61 6c 6c 6f 63 65 |of value|s alloce|
|000032b0| 64 20 74 6f 20 65 61 63 | 68 20 63 6f 6d 70 6f 6e |d to eac|h compon|
|000032c0| 65 6e 74 20 2a 2f 0a 58 | 20 20 69 6e 74 20 69 2c |ent */.X| int i,|
|000032d0| 6a 2c 6b 2c 20 6e 63 69 | 2c 20 62 6c 6b 73 69 7a |j,k, nci|, blksiz|
|000032e0| 65 2c 20 62 6c 6b 64 69 | 73 74 2c 20 70 74 72 2c |e, blkdi|st, ptr,|
|000032f0| 20 76 61 6c 3b 0a 58 0a | 58 20 20 2f 2a 20 4d 61 | val;.X.|X /* Ma|
|00003300| 6b 65 20 73 75 72 65 20 | 6d 79 20 69 6e 74 65 72 |ke sure |my inter|
|00003310| 6e 61 6c 20 61 72 72 61 | 79 73 20 77 6f 6e 27 74 |nal arra|ys won't|
|00003320| 20 6f 76 65 72 66 6c 6f | 77 20 2a 2f 0a 58 20 20 | overflo|w */.X |
|00003330| 69 66 20 28 63 69 6e 66 | 6f 2d 3e 6e 75 6d 5f 63 |if (cinf|o->num_c|
|00003340| 6f 6d 70 6f 6e 65 6e 74 | 73 20 3e 20 4d 41 58 5f |omponent|s > MAX_|
|00003350| 43 4f 4d 50 4f 4e 45 4e | 54 53 20 7c 7c 0a 58 20 |COMPONEN|TS ||.X |
|00003360| 20 20 20 20 20 63 69 6e | 66 6f 2d 3e 63 6f 6c 6f | cin|fo->colo|
|00003370| 72 5f 6f 75 74 5f 63 6f | 6d 70 73 20 3e 20 4d 41 |r_out_co|mps > MA|
|00003380| 58 5f 43 4f 4d 50 4f 4e | 45 4e 54 53 29 0a 58 20 |X_COMPON|ENTS).X |
|00003390| 20 20 20 45 52 52 45 58 | 49 54 31 28 63 69 6e 66 | ERREX|IT1(cinf|
|000033a0| 6f 2d 3e 65 6d 65 74 68 | 6f 64 73 2c 20 22 43 61 |o->emeth|ods, "Ca|
|000033b0| 6e 6e 6f 74 20 71 75 61 | 6e 74 69 7a 65 20 6d 6f |nnot qua|ntize mo|
|000033c0| 72 65 20 74 68 61 6e 20 | 25 64 20 63 6f 6c 6f 72 |re than |%d color|
|000033d0| 20 63 6f 6d 70 6f 6e 65 | 6e 74 73 22 2c 0a 58 09 | compone|nts",.X.|
|000033e0| 20 20 20 20 20 4d 41 58 | 5f 43 4f 4d 50 4f 4e 45 | MAX|_COMPONE|
|000033f0| 4e 54 53 29 3b 0a 58 20 | 20 2f 2a 20 4d 61 6b 65 |NTS);.X | /* Make|
|00003400| 20 73 75 72 65 20 63 6f | 6c 6f 72 6d 61 70 20 69 | sure co|lormap i|
|00003410| 6e 64 65 78 65 73 20 63 | 61 6e 20 62 65 20 72 65 |ndexes c|an be re|
|00003420| 70 72 65 73 65 6e 74 65 | 64 20 62 79 20 4a 53 41 |presente|d by JSA|
|00003430| 4d 50 4c 45 73 20 2a 2f | 0a 58 20 20 69 66 20 28 |MPLEs */|.X if (|
|00003440| 63 69 6e 66 6f 2d 3e 64 | 65 73 69 72 65 64 5f 6e |cinfo->d|esired_n|
|00003450| 75 6d 62 65 72 5f 6f 66 | 5f 63 6f 6c 6f 72 73 20 |umber_of|_colors |
|00003460| 3e 20 28 4d 41 58 4a 53 | 41 4d 50 4c 45 2b 31 29 |> (MAXJS|AMPLE+1)|
|00003470| 29 0a 58 20 20 20 20 45 | 52 52 45 58 49 54 31 28 |).X E|RREXIT1(|
|00003480| 63 69 6e 66 6f 2d 3e 65 | 6d 65 74 68 6f 64 73 2c |cinfo->e|methods,|
|00003490| 20 22 43 61 6e 6e 6f 74 | 20 72 65 71 75 65 73 74 | "Cannot| request|
|000034a0| 20 6d 6f 72 65 20 74 68 | 61 6e 20 25 64 20 71 75 | more th|an %d qu|
|000034b0| 61 6e 74 69 7a 65 64 20 | 63 6f 6c 6f 72 73 22 2c |antized |colors",|
|000034c0| 0a 58 09 20 20 20 20 20 | 4d 41 58 4a 53 41 4d 50 |.X. |MAXJSAMP|
|000034d0| 4c 45 2b 31 29 3b 0a 58 | 0a 58 20 20 2f 2a 20 53 |LE+1);.X|.X /* S|
|000034e0| 65 6c 65 63 74 20 6e 75 | 6d 62 65 72 20 6f 66 20 |elect nu|mber of |
|000034f0| 63 6f 6c 6f 72 73 20 66 | 6f 72 20 65 61 63 68 20 |colors f|or each |
|00003500| 63 6f 6d 70 6f 6e 65 6e | 74 20 2a 2f 0a 58 20 20 |componen|t */.X |
|00003510| 74 6f 74 61 6c 5f 63 6f | 6c 6f 72 73 20 3d 20 73 |total_co|lors = s|
|00003520| 65 6c 65 63 74 5f 6e 63 | 6f 6c 6f 72 73 28 63 69 |elect_nc|olors(ci|
|00003530| 6e 66 6f 2c 20 4e 63 6f | 6c 6f 72 73 29 3b 0a 58 |nfo, Nco|lors);.X|
|00003540| 0a 58 20 20 2f 2a 20 52 | 65 70 6f 72 74 20 73 65 |.X /* R|eport se|
|00003550| 6c 65 63 74 65 64 20 63 | 6f 6c 6f 72 20 63 6f 75 |lected c|olor cou|
|00003560| 6e 74 73 20 2a 2f 0a 58 | 20 20 69 66 20 28 63 69 |nts */.X| if (ci|
|00003570| 6e 66 6f 2d 3e 63 6f 6c | 6f 72 5f 6f 75 74 5f 63 |nfo->col|or_out_c|
|00003580| 6f 6d 70 73 20 3d 3d 20 | 33 29 0a 58 20 20 20 20 |omps == |3).X |
|00003590| 54 52 41 43 45 4d 53 34 | 28 63 69 6e 66 6f 2d 3e |TRACEMS4|(cinfo->|
|000035a0| 65 6d 65 74 68 6f 64 73 | 2c 20 31 2c 20 22 51 75 |emethods|, 1, "Qu|
|000035b0| 61 6e 74 69 7a 69 6e 67 | 20 74 6f 20 25 64 20 3d |antizing| to %d =|
|000035c0| 20 25 64 2a 25 64 2a 25 | 64 20 63 6f 6c 6f 72 73 | %d*%d*%|d colors|
|000035d0| 22 2c 0a 58 09 20 20 20 | 20 20 74 6f 74 61 6c 5f |",.X. | total_|
|000035e0| 63 6f 6c 6f 72 73 2c 20 | 4e 63 6f 6c 6f 72 73 5b |colors, |Ncolors[|
|000035f0| 30 5d 2c 20 4e 63 6f 6c | 6f 72 73 5b 31 5d 2c 20 |0], Ncol|ors[1], |
|00003600| 4e 63 6f 6c 6f 72 73 5b | 32 5d 29 3b 0a 58 20 20 |Ncolors[|2]);.X |
|00003610| 65 6c 73 65 0a 58 20 20 | 20 20 54 52 41 43 45 4d |else.X | TRACEM|
|00003620| 53 31 28 63 69 6e 66 6f | 2d 3e 65 6d 65 74 68 6f |S1(cinfo|->emetho|
|00003630| 64 73 2c 20 31 2c 20 22 | 51 75 61 6e 74 69 7a 69 |ds, 1, "|Quantizi|
|00003640| 6e 67 20 74 6f 20 25 64 | 20 63 6f 6c 6f 72 73 22 |ng to %d| colors"|
|00003650| 2c 20 74 6f 74 61 6c 5f | 63 6f 6c 6f 72 73 29 3b |, total_|colors);|
|00003660| 0a 58 0a 58 20 20 2f 2a | 20 41 6c 6c 6f 63 61 74 |.X.X /*| Allocat|
|00003670| 65 20 61 6e 64 20 66 69 | 6c 6c 20 69 6e 20 74 68 |e and fi|ll in th|
|00003680| 65 20 63 6f 6c 6f 72 6d | 61 70 20 61 6e 64 20 63 |e colorm|ap and c|
|00003690| 6f 6c 6f 72 20 69 6e 64 | 65 78 2e 20 2a 2f 0a 58 |olor ind|ex. */.X|
|000036a0| 20 20 2f 2a 20 54 68 65 | 20 63 6f 6c 6f 72 73 20 | /* The| colors |
|000036b0| 61 72 65 20 6f 72 64 65 | 72 65 64 20 69 6e 20 74 |are orde|red in t|
|000036c0| 68 65 20 6d 61 70 20 69 | 6e 20 73 74 61 6e 64 61 |he map i|n standa|
|000036d0| 72 64 20 72 6f 77 2d 6d | 61 6a 6f 72 20 6f 72 64 |rd row-m|ajor ord|
|000036e0| 65 72 2c 20 2a 2f 0a 58 | 20 20 2f 2a 20 69 2e 65 |er, */.X| /* i.e|
|000036f0| 2e 20 72 69 67 68 74 6d | 6f 73 74 20 28 68 69 67 |. rightm|ost (hig|
|00003700| 68 65 73 74 2d 69 6e 64 | 65 78 65 64 29 20 63 6f |hest-ind|exed) co|
|00003710| 6c 6f 72 20 63 68 61 6e | 67 65 73 20 6d 6f 73 74 |lor chan|ges most|
|00003720| 20 72 61 70 69 64 6c 79 | 2e 20 2a 2f 0a 58 0a 58 | rapidly|. */.X.X|
|00003730| 20 20 63 6f 6c 6f 72 6d | 61 70 20 3d 20 28 2a 63 | colorm|ap = (*c|
|00003740| 69 6e 66 6f 2d 3e 65 6d | 65 74 68 6f 64 73 2d 3e |info->em|ethods->|
|00003750| 61 6c 6c 6f 63 5f 73 6d | 61 6c 6c 5f 73 61 72 72 |alloc_sm|all_sarr|
|00003760| 61 79 29 0a 58 09 09 28 | 28 6c 6f 6e 67 29 20 74 |ay).X..(|(long) t|
|00003770| 6f 74 61 6c 5f 63 6f 6c | 6f 72 73 2c 20 28 6c 6f |otal_col|ors, (lo|
|00003780| 6e 67 29 20 63 69 6e 66 | 6f 2d 3e 63 6f 6c 6f 72 |ng) cinf|o->color|
|00003790| 5f 6f 75 74 5f 63 6f 6d | 70 73 29 3b 0a 58 20 20 |_out_com|ps);.X |
|000037a0| 63 6f 6c 6f 72 69 6e 64 | 65 78 20 3d 20 28 2a 63 |colorind|ex = (*c|
|000037b0| 69 6e 66 6f 2d 3e 65 6d | 65 74 68 6f 64 73 2d 3e |info->em|ethods->|
|000037c0| 61 6c 6c 6f 63 5f 73 6d | 61 6c 6c 5f 73 61 72 72 |alloc_sm|all_sarr|
|000037d0| 61 79 29 0a 58 09 09 28 | 28 6c 6f 6e 67 29 20 28 |ay).X..(|(long) (|
|000037e0| 4d 41 58 4a 53 41 4d 50 | 4c 45 2b 31 29 2c 20 28 |MAXJSAMP|LE+1), (|
|000037f0| 6c 6f 6e 67 29 20 63 69 | 6e 66 6f 2d 3e 63 6f 6c |long) ci|nfo->col|
|00003800| 6f 72 5f 6f 75 74 5f 63 | 6f 6d 70 73 29 3b 0a 58 |or_out_c|omps);.X|
|00003810| 0a 58 20 20 2f 2a 20 62 | 6c 6b 73 69 7a 65 20 69 |.X /* b|lksize i|
|00003820| 73 20 6e 75 6d 62 65 72 | 20 6f 66 20 61 64 6a 61 |s number| of adja|
|00003830| 63 65 6e 74 20 72 65 70 | 65 61 74 65 64 20 65 6e |cent rep|eated en|
|00003840| 74 72 69 65 73 20 66 6f | 72 20 61 20 63 6f 6d 70 |tries fo|r a comp|
|00003850| 6f 6e 65 6e 74 20 2a 2f | 0a 58 20 20 2f 2a 20 62 |onent */|.X /* b|
|00003860| 6c 6b 64 69 73 74 20 69 | 73 20 64 69 73 74 61 6e |lkdist i|s distan|
|00003870| 63 65 20 62 65 74 77 65 | 65 6e 20 67 72 6f 75 70 |ce betwe|en group|
|00003880| 73 20 6f 66 20 69 64 65 | 6e 74 69 63 61 6c 20 65 |s of ide|ntical e|
|00003890| 6e 74 72 69 65 73 20 66 | 6f 72 20 61 20 63 6f 6d |ntries f|or a com|
|000038a0| 70 6f 6e 65 6e 74 20 2a | 2f 0a 58 20 20 62 6c 6b |ponent *|/.X blk|
|000038b0| 64 69 73 74 20 3d 20 74 | 6f 74 61 6c 5f 63 6f 6c |dist = t|otal_col|
|000038c0| 6f 72 73 3b 0a 58 0a 58 | 20 20 66 6f 72 20 28 69 |ors;.X.X| for (i|
|000038d0| 20 3d 20 30 3b 20 69 20 | 3c 20 63 69 6e 66 6f 2d | = 0; i |< cinfo-|
|000038e0| 3e 63 6f 6c 6f 72 5f 6f | 75 74 5f 63 6f 6d 70 73 |>color_o|ut_comps|
|000038f0| 3b 20 69 2b 2b 29 20 7b | 0a 58 20 20 20 20 2f 2a |; i++) {|.X /*|
|00003900| 20 66 69 6c 6c 20 69 6e | 20 63 6f 6c 6f 72 6d 61 | fill in| colorma|
|00003910| 70 20 65 6e 74 72 69 65 | 73 20 66 6f 72 20 69 27 |p entrie|s for i'|
|00003920| 74 68 20 63 6f 6c 6f 72 | 20 63 6f 6d 70 6f 6e 65 |th color| compone|
|00003930| 6e 74 20 2a 2f 0a 58 20 | 20 20 20 6e 63 69 20 3d |nt */.X | nci =|
|00003940| 20 4e 63 6f 6c 6f 72 73 | 5b 69 5d 3b 09 09 2f 2a | Ncolors|[i];../*|
|00003950| 20 23 20 6f 66 20 64 69 | 73 74 69 6e 63 74 20 76 | # of di|stinct v|
|00003960| 61 6c 75 65 73 20 66 6f | 72 20 74 68 69 73 20 63 |alues fo|r this c|
|00003970| 6f 6c 6f 72 20 2a 2f 0a | 58 20 20 20 20 62 6c 6b |olor */.|X blk|
|00003980| 73 69 7a 65 20 3d 20 62 | 6c 6b 64 69 73 74 20 2f |size = b|lkdist /|
|00003990| 20 6e 63 69 3b 0a 58 20 | 20 20 20 66 6f 72 20 28 | nci;.X | for (|
|000039a0| 6a 20 3d 20 30 3b 20 6a | 20 3c 20 6e 63 69 3b 20 |j = 0; j| < nci; |
|000039b0| 6a 2b 2b 29 20 7b 0a 58 | 20 20 20 20 20 20 2f 2a |j++) {.X| /*|
|000039c0| 20 43 6f 6d 70 75 74 65 | 20 6a 27 74 68 20 6f 75 | Compute| j'th ou|
|000039d0| 74 70 75 74 20 76 61 6c | 75 65 20 28 6f 75 74 20 |tput val|ue (out |
|000039e0| 6f 66 20 6e 63 69 29 20 | 66 6f 72 20 63 6f 6d 70 |of nci) |for comp|
|000039f0| 6f 6e 65 6e 74 20 2a 2f | 0a 58 20 20 20 20 20 20 |onent */|.X |
|00003a00| 76 61 6c 20 3d 20 6f 75 | 74 70 75 74 5f 76 61 6c |val = ou|tput_val|
|00003a10| 75 65 28 63 69 6e 66 6f | 2c 20 69 2c 20 6a 2c 20 |ue(cinfo|, i, j, |
|00003a20| 6e 63 69 2d 31 29 3b 0a | 58 20 20 20 20 20 20 2f |nci-1);.|X /|
|00003a30| 2a 20 46 69 6c 6c 20 69 | 6e 20 61 6c 6c 20 63 6f |* Fill i|n all co|
|00003a40| 6c 6f 72 6d 61 70 20 65 | 6e 74 72 69 65 73 20 74 |lormap e|ntries t|
|00003a50| 68 61 74 20 68 61 76 65 | 20 74 68 69 73 20 76 61 |hat have| this va|
|00003a60| 6c 75 65 20 6f 66 20 74 | 68 69 73 20 63 6f 6d 70 |lue of t|his comp|
|00003a70| 6f 6e 65 6e 74 20 2a 2f | 0a 58 20 20 20 20 20 20 |onent */|.X |
|00003a80| 66 6f 72 20 28 70 74 72 | 20 3d 20 6a 20 2a 20 62 |for (ptr| = j * b|
|00003a90| 6c 6b 73 69 7a 65 3b 20 | 70 74 72 20 3c 20 74 6f |lksize; |ptr < to|
|00003aa0| 74 61 6c 5f 63 6f 6c 6f | 72 73 3b 20 70 74 72 20 |tal_colo|rs; ptr |
|00003ab0| 2b 3d 20 62 6c 6b 64 69 | 73 74 29 20 7b 0a 58 09 |+= blkdi|st) {.X.|
|00003ac0| 2f 2a 20 66 69 6c 6c 20 | 69 6e 20 62 6c 6b 73 69 |/* fill |in blksi|
|00003ad0| 7a 65 20 65 6e 74 72 69 | 65 73 20 62 65 67 69 6e |ze entri|es begin|
|00003ae0| 6e 69 6e 67 20 61 74 20 | 70 74 72 20 2a 2f 0a 58 |ning at |ptr */.X|
|00003af0| 09 66 6f 72 20 28 6b 20 | 3d 20 30 3b 20 6b 20 3c |.for (k |= 0; k <|
|00003b00| 20 62 6c 6b 73 69 7a 65 | 3b 20 6b 2b 2b 29 0a 58 | blksize|; k++).X|
|00003b10| 09 20 20 63 6f 6c 6f 72 | 6d 61 70 5b 69 5d 5b 70 |. color|map[i][p|
|00003b20| 74 72 2b 6b 5d 20 3d 20 | 28 4a 53 41 4d 50 4c 45 |tr+k] = |(JSAMPLE|
|00003b30| 29 20 76 61 6c 3b 0a 58 | 20 20 20 20 20 20 7d 0a |) val;.X| }.|
|00003b40| 58 20 20 20 20 7d 0a 58 | 20 20 20 20 62 6c 6b 64 |X }.X| blkd|
|00003b50| 69 73 74 20 3d 20 62 6c | 6b 73 69 7a 65 3b 09 09 |ist = bl|ksize;..|
|00003b60| 2f 2a 20 62 6c 6b 73 69 | 7a 65 20 6f 66 20 74 68 |/* blksi|ze of th|
|00003b70| 69 73 20 63 6f 6c 6f 72 | 20 69 73 20 62 6c 6b 64 |is color| is blkd|
|00003b80| 69 73 74 20 6f 66 20 6e | 65 78 74 20 2a 2f 0a 58 |ist of n|ext */.X|
|00003b90| 0a 58 20 20 20 20 2f 2a | 20 66 69 6c 6c 20 69 6e |.X /*| fill in|
|00003ba0| 20 63 6f 6c 6f 72 69 6e | 64 65 78 20 65 6e 74 72 | colorin|dex entr|
|00003bb0| 69 65 73 20 66 6f 72 20 | 69 27 74 68 20 63 6f 6c |ies for |i'th col|
|00003bc0| 6f 72 20 63 6f 6d 70 6f | 6e 65 6e 74 20 2a 2f 0a |or compo|nent */.|
|00003bd0| 58 20 20 20 20 2f 2a 20 | 69 6e 20 6c 6f 6f 70 2c |X /* |in loop,|
|00003be0| 20 76 61 6c 20 3d 20 69 | 6e 64 65 78 20 6f 66 20 | val = i|ndex of |
|00003bf0| 63 75 72 72 65 6e 74 20 | 6f 75 74 70 75 74 20 76 |current |output v|
|00003c00| 61 6c 75 65 2c 20 2a 2f | 0a 58 20 20 20 20 2f 2a |alue, */|.X /*|
|00003c10| 20 61 6e 64 20 6b 20 3d | 20 6c 61 72 67 65 73 74 | and k =| largest|
|00003c20| 20 6a 20 74 68 61 74 20 | 6d 61 70 73 20 74 6f 20 | j that |maps to |
|00003c30| 63 75 72 72 65 6e 74 20 | 76 61 6c 20 2a 2f 0a 58 |current |val */.X|
|00003c40| 20 20 20 20 76 61 6c 20 | 3d 20 30 3b 0a 58 20 20 | val |= 0;.X |
|00003c50| 20 20 6b 20 3d 20 6c 61 | 72 67 65 73 74 5f 69 6e | k = la|rgest_in|
|00003c60| 70 75 74 5f 76 61 6c 75 | 65 28 63 69 6e 66 6f 2c |put_valu|e(cinfo,|
|00003c70| 20 69 2c 20 30 2c 20 6e | 63 69 2d 31 29 3b 0a 58 | i, 0, n|ci-1);.X|
|00003c80| 20 20 20 20 66 6f 72 20 | 28 6a 20 3d 20 30 3b 20 | for |(j = 0; |
|00003c90| 6a 20 3c 3d 20 4d 41 58 | 4a 53 41 4d 50 4c 45 3b |j <= MAX|JSAMPLE;|
|00003ca0| 20 6a 2b 2b 29 20 7b 0a | 58 20 20 20 20 20 20 77 | j++) {.|X w|
|00003cb0| 68 69 6c 65 20 28 6a 20 | 3e 20 6b 29 09 09 2f 2a |hile (j |> k)../*|
|00003cc0| 20 61 64 76 61 6e 63 65 | 20 76 61 6c 20 69 66 20 | advance| val if |
|00003cd0| 70 61 73 74 20 62 6f 75 | 6e 64 61 72 79 20 2a 2f |past bou|ndary */|
|00003ce0| 0a 58 09 6b 20 3d 20 6c | 61 72 67 65 73 74 5f 69 |.X.k = l|argest_i|
|00003cf0| 6e 70 75 74 5f 76 61 6c | 75 65 28 63 69 6e 66 6f |nput_val|ue(cinfo|
|00003d00| 2c 20 69 2c 20 2b 2b 76 | 61 6c 2c 20 6e 63 69 2d |, i, ++v|al, nci-|
|00003d10| 31 29 3b 0a 58 20 20 20 | 20 20 20 2f 2a 20 70 72 |1);.X | /* pr|
|00003d20| 65 6d 75 6c 74 69 70 6c | 79 20 73 6f 20 74 68 61 |emultipl|y so tha|
|00003d30| 74 20 6e 6f 20 6d 75 6c | 74 69 70 6c 69 63 61 74 |t no mul|tiplicat|
|00003d40| 69 6f 6e 20 6e 65 65 64 | 65 64 20 69 6e 20 6d 61 |ion need|ed in ma|
|00003d50| 69 6e 20 70 72 6f 63 65 | 73 73 69 6e 67 20 2a 2f |in proce|ssing */|
|00003d60| 0a 58 20 20 20 20 20 20 | 63 6f 6c 6f 72 69 6e 64 |.X |colorind|
|00003d70| 65 78 5b 69 5d 5b 6a 5d | 20 3d 20 28 4a 53 41 4d |ex[i][j]| = (JSAM|
|00003d80| 50 4c 45 29 20 28 76 61 | 6c 20 2a 20 62 6c 6b 73 |PLE) (va|l * blks|
|00003d90| 69 7a 65 29 3b 0a 58 20 | 20 20 20 7d 0a 58 20 20 |ize);.X | }.X |
|00003da0| 7d 0a 58 0a 58 20 20 2f | 2a 20 50 61 73 73 20 74 |}.X.X /|* Pass t|
|00003db0| 68 65 20 63 6f 6c 6f 72 | 6d 61 70 20 74 6f 20 74 |he color|map to t|
|00003dc0| 68 65 20 6f 75 74 70 75 | 74 20 6d 6f 64 75 6c 65 |he outpu|t module|
|00003dd0| 2e 20 2a 2f 0a 58 20 20 | 2f 2a 20 4e 42 3a 20 74 |. */.X |/* NB: t|
|00003de0| 68 65 20 6f 75 74 70 75 | 74 20 6d 6f 64 75 6c 65 |he outpu|t module|
|00003df0| 20 6d 61 79 20 63 6f 6e | 74 69 6e 75 65 20 74 6f | may con|tinue to|
|00003e00| 20 75 73 65 20 74 68 65 | 20 63 6f 6c 6f 72 6d 61 | use the| colorma|
|00003e10| 70 20 75 6e 74 69 6c 20 | 73 68 75 74 64 6f 77 6e |p until |shutdown|
|00003e20| 2e 20 2a 2f 0a 58 20 20 | 63 69 6e 66 6f 2d 3e 63 |. */.X |cinfo->c|
|00003e30| 6f 6c 6f 72 6d 61 70 20 | 3d 20 63 6f 6c 6f 72 6d |olormap |= colorm|
|00003e40| 61 70 3b 0a 58 20 20 63 | 69 6e 66 6f 2d 3e 61 63 |ap;.X c|info->ac|
|00003e50| 74 75 61 6c 5f 6e 75 6d | 62 65 72 5f 6f 66 5f 63 |tual_num|ber_of_c|
|00003e60| 6f 6c 6f 72 73 20 3d 20 | 74 6f 74 61 6c 5f 63 6f |olors = |total_co|
|00003e70| 6c 6f 72 73 3b 0a 58 20 | 20 28 2a 63 69 6e 66 6f |lors;.X | (*cinfo|
|00003e80| 2d 3e 6d 65 74 68 6f 64 | 73 2d 3e 70 75 74 5f 63 |->method|s->put_c|
|00003e90| 6f 6c 6f 72 5f 6d 61 70 | 29 20 28 63 69 6e 66 6f |olor_map|) (cinfo|
|00003ea0| 2c 20 74 6f 74 61 6c 5f | 63 6f 6c 6f 72 73 2c 20 |, total_|colors, |
|00003eb0| 63 6f 6c 6f 72 6d 61 70 | 29 3b 0a 58 0a 58 20 20 |colormap|);.X.X |
|00003ec0| 2f 2a 20 41 6c 6c 6f 63 | 61 74 65 20 77 6f 72 6b |/* Alloc|ate work|
|00003ed0| 73 70 61 63 65 20 74 6f | 20 68 6f 6c 64 20 6f 6e |space to| hold on|
|00003ee0| 65 20 72 6f 77 20 6f 66 | 20 63 6f 6c 6f 72 2d 63 |e row of| color-c|
|00003ef0| 6f 6e 76 65 72 74 65 64 | 20 64 61 74 61 20 2a 2f |onverted| data */|
|00003f00| 0a 58 20 20 69 6e 70 75 | 74 5f 62 75 66 66 65 72 |.X inpu|t_buffer|
|00003f10| 20 3d 20 28 2a 63 69 6e | 66 6f 2d 3e 65 6d 65 74 | = (*cin|fo->emet|
|00003f20| 68 6f 64 73 2d 3e 61 6c | 6c 6f 63 5f 73 6d 61 6c |hods->al|loc_smal|
|00003f30| 6c 5f 73 61 72 72 61 79 | 29 0a 58 09 09 09 28 63 |l_sarray|).X...(c|
|00003f40| 69 6e 66 6f 2d 3e 69 6d | 61 67 65 5f 77 69 64 74 |info->im|age_widt|
|00003f50| 68 2c 20 28 6c 6f 6e 67 | 29 20 63 69 6e 66 6f 2d |h, (long|) cinfo-|
|00003f60| 3e 63 6f 6c 6f 72 5f 6f | 75 74 5f 63 6f 6d 70 73 |>color_o|ut_comps|
|00003f70| 29 3b 0a 58 0a 58 20 20 | 2f 2a 20 41 6c 6c 6f 63 |);.X.X |/* Alloc|
|00003f80| 61 74 65 20 46 6c 6f 79 | 64 2d 53 74 65 69 6e 62 |ate Floy|d-Steinb|
|00003f90| 65 72 67 20 77 6f 72 6b | 73 70 61 63 65 20 69 66 |erg work|space if|
|00003fa0| 20 6e 65 63 65 73 73 61 | 72 79 20 2a 2f 0a 58 20 | necessa|ry */.X |
|00003fb0| 20 69 66 20 28 63 69 6e | 66 6f 2d 3e 75 73 65 5f | if (cin|fo->use_|
|00003fc0| 64 69 74 68 65 72 69 6e | 67 29 20 7b 0a 58 20 20 |ditherin|g) {.X |
|00003fd0| 20 20 73 69 7a 65 5f 74 | 20 61 72 72 61 79 73 69 | size_t| arraysi|
|00003fe0| 7a 65 20 3d 20 28 73 69 | 7a 65 5f 74 29 20 28 28 |ze = (si|ze_t) ((|
|00003ff0| 63 69 6e 66 6f 2d 3e 69 | 6d 61 67 65 5f 77 69 64 |cinfo->i|mage_wid|
|00004000| 74 68 20 2b 20 32 4c 29 | 20 2a 20 53 49 5a 45 4f |th + 2L)| * SIZEO|
|00004010| 46 28 46 53 45 52 52 4f | 52 29 29 3b 0a 58 0a 58 |F(FSERRO|R));.X.X|
|00004020| 20 20 20 20 66 6f 72 20 | 28 69 20 3d 20 30 3b 20 | for |(i = 0; |
|00004030| 69 20 3c 20 63 69 6e 66 | 6f 2d 3e 63 6f 6c 6f 72 |i < cinf|o->color|
|00004040| 5f 6f 75 74 5f 63 6f 6d | 70 73 3b 20 69 2b 2b 29 |_out_com|ps; i++)|
|00004050| 20 7b 0a 58 20 20 20 20 | 20 20 65 76 65 6e 72 6f | {.X | evenro|
|00004060| 77 65 72 72 73 5b 69 5d | 20 3d 20 28 46 53 45 52 |werrs[i]| = (FSER|
|00004070| 52 50 54 52 29 20 28 2a | 63 69 6e 66 6f 2d 3e 65 |RPTR) (*|cinfo->e|
|00004080| 6d 65 74 68 6f 64 73 2d | 3e 61 6c 6c 6f 63 5f 6d |methods-|>alloc_m|
|00004090| 65 64 69 75 6d 29 20 28 | 61 72 72 61 79 73 69 7a |edium) (|arraysiz|
|000040a0| 65 29 3b 0a 58 20 20 20 | 20 20 20 6f 64 64 72 6f |e);.X | oddro|
|000040b0| 77 65 72 72 73 5b 69 5d | 20 20 3d 20 28 46 53 45 |werrs[i]| = (FSE|
|000040c0| 52 52 50 54 52 29 20 28 | 2a 63 69 6e 66 6f 2d 3e |RRPTR) (|*cinfo->|
|000040d0| 65 6d 65 74 68 6f 64 73 | 2d 3e 61 6c 6c 6f 63 5f |emethods|->alloc_|
|000040e0| 6d 65 64 69 75 6d 29 20 | 28 61 72 72 61 79 73 69 |medium) |(arraysi|
|000040f0| 7a 65 29 3b 0a 58 20 20 | 20 20 20 20 2f 2a 20 77 |ze);.X | /* w|
|00004100| 65 20 6f 6e 6c 79 20 6e | 65 65 64 20 74 6f 20 7a |e only n|eed to z|
|00004110| 65 72 6f 20 74 68 65 20 | 66 6f 72 77 61 72 64 20 |ero the |forward |
|00004120| 63 6f 6e 74 72 69 62 75 | 74 69 6f 6e 20 66 6f 72 |contribu|tion for|
|00004130| 20 63 75 72 72 65 6e 74 | 20 72 6f 77 2e 20 2a 2f | current| row. */|
|00004140| 0a 58 20 20 20 20 20 20 | 6a 7a 65 72 6f 5f 66 61 |.X |jzero_fa|
|00004150| 72 28 28 76 6f 69 64 20 | 46 41 52 20 2a 29 20 65 |r((void |FAR *) e|
|00004160| 76 65 6e 72 6f 77 65 72 | 72 73 5b 69 5d 2c 20 61 |venrower|rs[i], a|
|00004170| 72 72 61 79 73 69 7a 65 | 29 3b 0a 58 20 20 20 20 |rraysize|);.X |
|00004180| 7d 0a 58 20 20 20 20 6f | 6e 5f 6f 64 64 5f 72 6f |}.X o|n_odd_ro|
|00004190| 77 20 3d 20 46 41 4c 53 | 45 3b 0a 58 20 20 7d 0a |w = FALS|E;.X }.|
|000041a0| 58 7d 0a 58 0a 58 0a 58 | 2f 2a 0a 58 20 2a 20 53 |X}.X.X.X|/*.X * S|
|000041b0| 75 62 72 6f 75 74 69 6e | 65 73 20 66 6f 72 20 63 |ubroutin|es for c|
|000041c0| 6f 6c 6f 72 20 63 6f 6e | 76 65 72 73 69 6f 6e 20 |olor con|version |
|000041d0| 6d 65 74 68 6f 64 73 2e | 0a 58 20 2a 2f 0a 58 0a |methods.|.X */.X.|
|000041e0| 58 4c 4f 43 41 4c 20 76 | 6f 69 64 0a 58 64 6f 5f |XLOCAL v|oid.Xdo_|
|000041f0| 63 6f 6c 6f 72 5f 63 6f | 6e 76 65 72 73 69 6f 6e |color_co|nversion|
|00004200| 20 28 64 65 63 6f 6d 70 | 72 65 73 73 5f 69 6e 66 | (decomp|ress_inf|
|00004210| 6f 5f 70 74 72 20 63 69 | 6e 66 6f 2c 20 4a 53 41 |o_ptr ci|nfo, JSA|
|00004220| 4d 50 49 4d 41 47 45 20 | 69 6e 70 75 74 5f 64 61 |MPIMAGE |input_da|
|00004230| 74 61 2c 20 69 6e 74 20 | 72 6f 77 29 0a 58 2f 2a |ta, int |row).X/*|
|00004240| 20 43 6f 6e 76 65 72 74 | 20 74 68 65 20 69 6e 64 | Convert| the ind|
|00004250| 69 63 61 74 65 64 20 72 | 6f 77 20 6f 66 20 74 68 |icated r|ow of th|
|00004260| 65 20 69 6e 70 75 74 20 | 64 61 74 61 20 69 6e 74 |e input |data int|
|00004270| 6f 20 6f 75 74 70 75 74 | 20 63 6f 6c 6f 72 73 70 |o output| colorsp|
|00004280| 61 63 65 20 2a 2f 0a 58 | 2f 2a 20 69 6e 20 69 6e |ace */.X|/* in in|
|00004290| 70 75 74 5f 62 75 66 66 | 65 72 2e 20 20 54 68 69 |put_buff|er. Thi|
|000042a0| 73 20 72 65 71 75 69 72 | 65 73 20 61 20 6c 69 74 |s requir|es a lit|
|000042b0| 74 6c 65 20 74 72 69 63 | 6b 65 72 79 20 73 69 6e |tle tric|kery sin|
|000042c0| 63 65 20 63 6f 6c 6f 72 | 5f 63 6f 6e 76 65 72 74 |ce color|_convert|
|000042d0| 20 2a 2f 0a 58 2f 2a 20 | 65 78 70 65 63 74 73 20 | */.X/* |expects |
|000042e0| 74 6f 20 64 65 61 6c 20 | 77 69 74 68 20 33 2d 44 |to deal |with 3-D|
|000042f0| 20 61 72 72 61 79 73 3b | 20 66 6f 72 74 75 6e 61 | arrays;| fortuna|
|00004300| 74 65 6c 79 20 77 65 20 | 63 61 6e 20 66 61 6b 65 |tely we |can fake|
|00004310| 20 69 74 20 6f 75 74 20 | 2a 2f 0a 58 2f 2a 20 61 | it out |*/.X/* a|
|00004320| 74 20 66 61 69 72 6c 79 | 20 6c 6f 77 20 63 6f 73 |t fairly| low cos|
|00004330| 74 2e 20 2a 2f 0a 58 7b | 0a 58 20 20 73 68 6f 72 |t. */.X{|.X shor|
|00004340| 74 20 63 69 3b 0a 58 20 | 20 4a 53 41 4d 50 41 52 |t ci;.X | JSAMPAR|
|00004350| 52 41 59 20 69 6e 70 75 | 74 5f 68 61 63 6b 5b 4d |RAY inpu|t_hack[M|
|00004360| 41 58 5f 43 4f 4d 50 4f | 4e 45 4e 54 53 5d 3b 0a |AX_COMPO|NENTS];.|
|00004370| 58 20 20 4a 53 41 4d 50 | 41 52 52 41 59 20 6f 75 |X JSAMP|ARRAY ou|
|00004380| 74 70 75 74 5f 68 61 63 | 6b 5b 4d 41 58 5f 43 4f |tput_hac|k[MAX_CO|
|00004390| 4d 50 4f 4e 45 4e 54 53 | 5d 3b 0a 58 0a 58 20 20 |MPONENTS|];.X.X |
|000043a0| 2f 2a 20 63 72 65 61 74 | 65 20 4a 53 41 4d 50 49 |/* creat|e JSAMPI|
|000043b0| 4d 41 47 45 20 70 6f 69 | 6e 74 69 6e 67 20 61 74 |MAGE poi|nting at|
|000043c0| 20 73 70 65 63 69 66 69 | 65 64 20 72 6f 77 20 6f | specifi|ed row o|
|000043d0| 66 20 69 6e 70 75 74 5f | 64 61 74 61 20 2a 2f 0a |f input_|data */.|
|000043e0| 58 20 20 66 6f 72 20 28 | 63 69 20 3d 20 30 3b 20 |X for (|ci = 0; |
|000043f0| 63 69 20 3c 20 63 69 6e | 66 6f 2d 3e 6e 75 6d 5f |ci < cin|fo->num_|
|00004400| 63 6f 6d 70 6f 6e 65 6e | 74 73 3b 20 63 69 2b 2b |componen|ts; ci++|
|00004410| 29 0a 58 20 20 20 20 69 | 6e 70 75 74 5f 68 61 63 |).X i|nput_hac|
|00004420| 6b 5b 63 69 5d 20 3d 20 | 69 6e 70 75 74 5f 64 61 |k[ci] = |input_da|
|00004430| 74 61 5b 63 69 5d 20 2b | 20 72 6f 77 3b 0a 58 20 |ta[ci] +| row;.X |
|00004440| 20 2f 2a 20 43 72 65 61 | 74 65 20 4a 53 41 4d 50 | /* Crea|te JSAMP|
|00004450| 49 4d 41 47 45 20 70 6f | 69 6e 74 69 6e 67 20 61 |IMAGE po|inting a|
|00004460| 74 20 69 6e 70 75 74 5f | 62 75 66 66 65 72 20 2a |t input_|buffer *|
|00004470| 2f 0a 58 20 20 66 6f 72 | 20 28 63 69 20 3d 20 30 |/.X for| (ci = 0|
|00004480| 3b 20 63 69 20 3c 20 63 | 69 6e 66 6f 2d 3e 63 6f |; ci < c|info->co|
|00004490| 6c 6f 72 5f 6f 75 74 5f | 63 6f 6d 70 73 3b 20 63 |lor_out_|comps; c|
|000044a0| 69 2b 2b 29 0a 58 20 20 | 20 20 6f 75 74 70 75 74 |i++).X | output|
|000044b0| 5f 68 61 63 6b 5b 63 69 | 5d 20 3d 20 26 28 69 6e |_hack[ci|] = &(in|
|000044c0| 70 75 74 5f 62 75 66 66 | 65 72 5b 63 69 5d 29 3b |put_buff|er[ci]);|
|000044d0| 0a 58 0a 58 20 20 28 2a | 63 69 6e 66 6f 2d 3e 6d |.X.X (*|cinfo->m|
|000044e0| 65 74 68 6f 64 73 2d 3e | 63 6f 6c 6f 72 5f 63 6f |ethods->|color_co|
|000044f0| 6e 76 65 72 74 29 20 28 | 63 69 6e 66 6f 2c 20 31 |nvert) (|cinfo, 1|
|00004500| 2c 20 63 69 6e 66 6f 2d | 3e 69 6d 61 67 65 5f 77 |, cinfo-|>image_w|
|00004510| 69 64 74 68 2c 0a 58 09 | 09 09 09 20 20 20 20 69 |idth,.X.|... i|
|00004520| 6e 70 75 74 5f 68 61 63 | 6b 2c 20 6f 75 74 70 75 |nput_hac|k, outpu|
|00004530| 74 5f 68 61 63 6b 29 3b | 0a 58 7d 0a 58 0a 58 0a |t_hack);|.X}.X.X.|
|00004540| 58 2f 2a 0a 58 20 2a 20 | 4d 61 70 20 73 6f 6d 65 |X/*.X * |Map some|
|00004550| 20 72 6f 77 73 20 6f 66 | 20 70 69 78 65 6c 73 20 | rows of| pixels |
|00004560| 74 6f 20 74 68 65 20 6f | 75 74 70 75 74 20 63 6f |to the o|utput co|
|00004570| 6c 6f 72 6d 61 70 70 65 | 64 20 72 65 70 72 65 73 |lormappe|d repres|
|00004580| 65 6e 74 61 74 69 6f 6e | 2e 0a 58 20 2a 2f 0a 58 |entation|..X */.X|
|00004590| 0a 58 4d 45 54 48 4f 44 | 44 45 46 20 76 6f 69 64 |.XMETHOD|DEF void|
|000045a0| 0a 58 63 6f 6c 6f 72 5f | 71 75 61 6e 74 69 7a 65 |.Xcolor_|quantize|
|000045b0| 20 28 64 65 63 6f 6d 70 | 72 65 73 73 5f 69 6e 66 | (decomp|ress_inf|
|000045c0| 6f 5f 70 74 72 20 63 69 | 6e 66 6f 2c 20 69 6e 74 |o_ptr ci|nfo, int|
|000045d0| 20 6e 75 6d 5f 72 6f 77 | 73 2c 0a 58 09 09 4a 53 | num_row|s,.X..JS|
|000045e0| 41 4d 50 49 4d 41 47 45 | 20 69 6e 70 75 74 5f 64 |AMPIMAGE| input_d|
|000045f0| 61 74 61 2c 20 4a 53 41 | 4d 50 41 52 52 41 59 20 |ata, JSA|MPARRAY |
|00004600| 6f 75 74 70 75 74 5f 64 | 61 74 61 29 0a 58 2f 2a |output_d|ata).X/*|
|00004610| 20 47 65 6e 65 72 61 6c | 20 63 61 73 65 2c 20 6e | General| case, n|
|00004620| 6f 20 64 69 74 68 65 72 | 69 6e 67 20 2a 2f 0a 58 |o dither|ing */.X|
|00004630| 7b 0a 58 20 20 72 65 67 | 69 73 74 65 72 20 69 6e |{.X reg|ister in|
|00004640| 74 20 70 69 78 63 6f 64 | 65 2c 20 63 69 3b 0a 58 |t pixcod|e, ci;.X|
|00004650| 20 20 72 65 67 69 73 74 | 65 72 20 4a 53 41 4d 50 | regist|er JSAMP|
|00004660| 52 4f 57 20 70 74 72 6f | 75 74 3b 0a 58 20 20 72 |ROW ptro|ut;.X r|
|00004670| 65 67 69 73 74 65 72 20 | 6c 6f 6e 67 20 63 6f 6c |egister |long col|
|00004680| 3b 0a 58 20 20 69 6e 74 | 20 72 6f 77 3b 0a 58 20 |;.X int| row;.X |
|00004690| 20 6c 6f 6e 67 20 77 69 | 64 74 68 20 3d 20 63 69 | long wi|dth = ci|
|000046a0| 6e 66 6f 2d 3e 69 6d 61 | 67 65 5f 77 69 64 74 68 |nfo->ima|ge_width|
|000046b0| 3b 0a 58 20 20 72 65 67 | 69 73 74 65 72 20 69 6e |;.X reg|ister in|
|000046c0| 74 20 6e 63 20 3d 20 63 | 69 6e 66 6f 2d 3e 63 6f |t nc = c|info->co|
|000046d0| 6c 6f 72 5f 6f 75 74 5f | 63 6f 6d 70 73 3b 20 20 |lor_out_|comps; |
|000046e0| 0a 58 0a 58 20 20 66 6f | 72 20 28 72 6f 77 20 3d |.X.X fo|r (row =|
|000046f0| 20 30 3b 20 72 6f 77 20 | 3c 20 6e 75 6d 5f 72 6f | 0; row |< num_ro|
|00004700| 77 73 3b 20 72 6f 77 2b | 2b 29 20 7b 0a 58 20 20 |ws; row+|+) {.X |
|00004710| 20 20 64 6f 5f 63 6f 6c | 6f 72 5f 63 6f 6e 76 65 | do_col|or_conve|
|00004720| 72 73 69 6f 6e 28 63 69 | 6e 66 6f 2c 20 69 6e 70 |rsion(ci|nfo, inp|
|00004730| 75 74 5f 64 61 74 61 2c | 20 72 6f 77 29 3b 0a 58 |ut_data,| row);.X|
|00004740| 20 20 20 20 70 74 72 6f | 75 74 20 3d 20 6f 75 74 | ptro|ut = out|
|00004750| 70 75 74 5f 64 61 74 61 | 5b 72 6f 77 5d 3b 0a 58 |put_data|[row];.X|
|00004760| 20 20 20 20 66 6f 72 20 | 28 63 6f 6c 20 3d 20 30 | for |(col = 0|
|00004770| 3b 20 63 6f 6c 20 3c 20 | 77 69 64 74 68 3b 20 63 |; col < |width; c|
|00004780| 6f 6c 2b 2b 29 20 7b 0a | 58 20 20 20 20 20 20 70 |ol++) {.|X p|
|00004790| 69 78 63 6f 64 65 20 3d | 20 30 3b 0a 58 20 20 20 |ixcode =| 0;.X |
|000047a0| 20 20 20 66 6f 72 20 28 | 63 69 20 3d 20 30 3b 20 | for (|ci = 0; |
|000047b0| 63 69 20 3c 20 6e 63 3b | 20 63 69 2b 2b 29 20 7b |ci < nc;| ci++) {|
|000047c0| 0a 58 09 70 69 78 63 6f | 64 65 20 2b 3d 20 47 45 |.X.pixco|de += GE|
|000047d0| 54 4a 53 41 4d 50 4c 45 | 28 63 6f 6c 6f 72 69 6e |TJSAMPLE|(colorin|
|000047e0| 64 65 78 5b 63 69 5d 0a | 58 09 09 09 20 20 20 20 |dex[ci].|X... |
|000047f0| 20 20 5b 47 45 54 4a 53 | 41 4d 50 4c 45 28 69 6e | [GETJS|AMPLE(in|
|00004800| 70 75 74 5f 62 75 66 66 | 65 72 5b 63 69 5d 5b 63 |put_buff|er[ci][c|
|00004810| 6f 6c 5d 29 5d 29 3b 0a | 58 20 20 20 20 20 20 7d |ol])]);.|X }|
|00004820| 0a 58 20 20 20 20 20 20 | 2a 70 74 72 6f 75 74 2b |.X |*ptrout+|
|00004830| 2b 20 3d 20 28 4a 53 41 | 4d 50 4c 45 29 20 70 69 |+ = (JSA|MPLE) pi|
|00004840| 78 63 6f 64 65 3b 0a 58 | 20 20 20 20 7d 0a 58 20 |xcode;.X| }.X |
|00004850| 20 7d 0a 58 7d 0a 58 0a | 58 0a 58 4d 45 54 48 4f | }.X}.X.|X.XMETHO|
|00004860| 44 44 45 46 20 76 6f 69 | 64 0a 58 63 6f 6c 6f 72 |DDEF voi|d.Xcolor|
|00004870| 5f 71 75 61 6e 74 69 7a | 65 33 20 28 64 65 63 6f |_quantiz|e3 (deco|
|00004880| 6d 70 72 65 73 73 5f 69 | 6e 66 6f 5f 70 74 72 20 |mpress_i|nfo_ptr |
|00004890| 63 69 6e 66 6f 2c 20 69 | 6e 74 20 6e 75 6d 5f 72 |cinfo, i|nt num_r|
|000048a0| 6f 77 73 2c 0a 58 09 09 | 20 4a 53 41 4d 50 49 4d |ows,.X..| JSAMPIM|
|000048b0| 41 47 45 20 69 6e 70 75 | 74 5f 64 61 74 61 2c 20 |AGE inpu|t_data, |
|000048c0| 4a 53 41 4d 50 41 52 52 | 41 59 20 6f 75 74 70 75 |JSAMPARR|AY outpu|
|000048d0| 74 5f 64 61 74 61 29 0a | 58 2f 2a 20 46 61 73 74 |t_data).|X/* Fast|
|000048e0| 20 70 61 74 68 20 66 6f | 72 20 63 6f 6c 6f 72 5f | path fo|r color_|
|000048f0| 6f 75 74 5f 63 6f 6d 70 | 73 3d 3d 33 2c 20 6e 6f |out_comp|s==3, no|
|00004900| 20 64 69 74 68 65 72 69 | 6e 67 20 2a 2f 0a 58 7b | ditheri|ng */.X{|
|00004910| 0a 58 20 20 72 65 67 69 | 73 74 65 72 20 69 6e 74 |.X regi|ster int|
|00004920| 20 70 69 78 63 6f 64 65 | 3b 0a 58 20 20 72 65 67 | pixcode|;.X reg|
|00004930| 69 73 74 65 72 20 4a 53 | 41 4d 50 52 4f 57 20 70 |ister JS|AMPROW p|
|00004940| 74 72 30 2c 20 70 74 72 | 31 2c 20 70 74 72 32 2c |tr0, ptr|1, ptr2,|
|00004950| 20 70 74 72 6f 75 74 3b | 0a 58 20 20 72 65 67 69 | ptrout;|.X regi|
|00004960| 73 74 65 72 20 6c 6f 6e | 67 20 63 6f 6c 3b 0a 58 |ster lon|g col;.X|
|00004970| 20 20 69 6e 74 20 72 6f | 77 3b 0a 58 20 20 6c 6f | int ro|w;.X lo|
|00004980| 6e 67 20 77 69 64 74 68 | 20 3d 20 63 69 6e 66 6f |ng width| = cinfo|
|00004990| 2d 3e 69 6d 61 67 65 5f | 77 69 64 74 68 3b 0a 58 |->image_|width;.X|
|000049a0| 0a 58 20 20 66 6f 72 20 | 28 72 6f 77 20 3d 20 30 |.X for |(row = 0|
|000049b0| 3b 20 72 6f 77 20 3c 20 | 6e 75 6d 5f 72 6f 77 73 |; row < |num_rows|
|000049c0| 3b 20 72 6f 77 2b 2b 29 | 20 7b 0a 58 20 20 20 20 |; row++)| {.X |
|000049d0| 64 6f 5f 63 6f 6c 6f 72 | 5f 63 6f 6e 76 65 72 73 |do_color|_convers|
|000049e0| 69 6f 6e 28 63 69 6e 66 | 6f 2c 20 69 6e 70 75 74 |ion(cinf|o, input|
|000049f0| 5f 64 61 74 61 2c 20 72 | 6f 77 29 3b 0a 58 20 20 |_data, r|ow);.X |
|00004a00| 20 20 70 74 72 30 20 3d | 20 69 6e 70 75 74 5f 62 | ptr0 =| input_b|
|00004a10| 75 66 66 65 72 5b 30 5d | 3b 0a 58 20 20 20 20 70 |uffer[0]|;.X p|
|00004a20| 74 72 31 20 3d 20 69 6e | 70 75 74 5f 62 75 66 66 |tr1 = in|put_buff|
|00004a30| 65 72 5b 31 5d 3b 0a 58 | 20 20 20 20 70 74 72 32 |er[1];.X| ptr2|
|00004a40| 20 3d 20 69 6e 70 75 74 | 5f 62 75 66 66 65 72 5b | = input|_buffer[|
|00004a50| 32 5d 3b 0a 58 20 20 20 | 20 70 74 72 6f 75 74 20 |2];.X | ptrout |
|00004a60| 3d 20 6f 75 74 70 75 74 | 5f 64 61 74 61 5b 72 6f |= output|_data[ro|
|00004a70| 77 5d 3b 0a 58 20 20 20 | 20 66 6f 72 20 28 63 6f |w];.X | for (co|
|00004a80| 6c 20 3d 20 77 69 64 74 | 68 3b 20 63 6f 6c 20 3e |l = widt|h; col >|
|00004a90| 20 30 3b 20 63 6f 6c 2d | 2d 29 20 7b 0a 58 20 20 | 0; col-|-) {.X |
|00004aa0| 20 20 20 20 70 69 78 63 | 6f 64 65 20 20 3d 20 47 | pixc|ode = G|
|00004ab0| 45 54 4a 53 41 4d 50 4c | 45 28 63 6f 6c 6f 72 69 |ETJSAMPL|E(colori|
|00004ac0| 6e 64 65 78 5b 30 5d 5b | 47 45 54 4a 53 41 4d 50 |ndex[0][|GETJSAMP|
|00004ad0| 4c 45 28 2a 70 74 72 30 | 2b 2b 29 5d 29 3b 0a 58 |LE(*ptr0|++)]);.X|
|00004ae0| 20 20 20 20 20 20 70 69 | 78 63 6f 64 65 20 2b 3d | pi|xcode +=|
|00004af0| 20 47 45 54 4a 53 41 4d | 50 4c 45 28 63 6f 6c 6f | GETJSAM|PLE(colo|
|00004b00| 72 69 6e 64 65 78 5b 31 | 5d 5b 47 45 54 4a 53 41 |rindex[1|][GETJSA|
|00004b10| 4d 50 4c 45 28 2a 70 74 | 72 31 2b 2b 29 5d 29 3b |MPLE(*pt|r1++)]);|
|00004b20| 0a 58 20 20 20 20 20 20 | 70 69 78 63 6f 64 65 20 |.X |pixcode |
|00004b30| 2b 3d 20 47 45 54 4a 53 | 41 4d 50 4c 45 28 63 6f |+= GETJS|AMPLE(co|
|00004b40| 6c 6f 72 69 6e 64 65 78 | 5b 32 5d 5b 47 45 54 4a |lorindex|[2][GETJ|
|00004b50| 53 41 4d 50 4c 45 28 2a | 70 74 72 32 2b 2b 29 5d |SAMPLE(*|ptr2++)]|
|00004b60| 29 3b 0a 58 20 20 20 20 | 20 20 2a 70 74 72 6f 75 |);.X | *ptrou|
|00004b70| 74 2b 2b 20 3d 20 28 4a | 53 41 4d 50 4c 45 29 20 |t++ = (J|SAMPLE) |
|00004b80| 70 69 78 63 6f 64 65 3b | 0a 58 20 20 20 20 7d 0a |pixcode;|.X }.|
|00004b90| 58 20 20 7d 0a 58 7d 0a | 58 0a 58 0a 58 4d 45 54 |X }.X}.|X.X.XMET|
|00004ba0| 48 4f 44 44 45 46 20 76 | 6f 69 64 0a 58 63 6f 6c |HODDEF v|oid.Xcol|
|00004bb0| 6f 72 5f 71 75 61 6e 74 | 69 7a 65 5f 64 69 74 68 |or_quant|ize_dith|
|00004bc0| 65 72 20 28 64 65 63 6f | 6d 70 72 65 73 73 5f 69 |er (deco|mpress_i|
|00004bd0| 6e 66 6f 5f 70 74 72 20 | 63 69 6e 66 6f 2c 20 69 |nfo_ptr |cinfo, i|
|00004be0| 6e 74 20 6e 75 6d 5f 72 | 6f 77 73 2c 0a 58 09 09 |nt num_r|ows,.X..|
|00004bf0| 20 20 20 20 20 20 20 4a | 53 41 4d 50 49 4d 41 47 | J|SAMPIMAG|
|00004c00| 45 20 69 6e 70 75 74 5f | 64 61 74 61 2c 20 4a 53 |E input_|data, JS|
|00004c10| 41 4d 50 41 52 52 41 59 | 20 6f 75 74 70 75 74 5f |AMPARRAY| output_|
|00004c20| 64 61 74 61 29 0a 58 2f | 2a 20 47 65 6e 65 72 61 |data).X/|* Genera|
|00004c30| 6c 20 63 61 73 65 2c 20 | 77 69 74 68 20 46 6c 6f |l case, |with Flo|
|00004c40| 79 64 2d 53 74 65 69 6e | 62 65 72 67 20 64 69 74 |yd-Stein|berg dit|
|00004c50| 68 65 72 69 6e 67 20 2a | 2f 0a 58 7b 0a 58 20 20 |hering *|/.X{.X |
|00004c60| 72 65 67 69 73 74 65 72 | 20 46 53 45 52 52 4f 52 |register| FSERROR|
|00004c70| 20 76 61 6c 3b 0a 58 20 | 20 46 53 45 52 52 4f 52 | val;.X | FSERROR|
|00004c80| 20 74 77 6f 5f 76 61 6c | 3b 0a 58 20 20 72 65 67 | two_val|;.X reg|
|00004c90| 69 73 74 65 72 20 46 53 | 45 52 52 50 54 52 20 74 |ister FS|ERRPTR t|
|00004ca0| 68 69 73 72 6f 77 65 72 | 72 2c 20 6e 65 78 74 72 |hisrower|r, nextr|
|00004cb0| 6f 77 65 72 72 3b 0a 58 | 20 20 72 65 67 69 73 74 |owerr;.X| regist|
|00004cc0| 65 72 20 4a 53 41 4d 50 | 52 4f 57 20 69 6e 70 75 |er JSAMP|ROW inpu|
|00004cd0| 74 5f 70 74 72 3b 0a 58 | 20 20 72 65 67 69 73 74 |t_ptr;.X| regist|
|00004ce0| 65 72 20 4a 53 41 4d 50 | 52 4f 57 20 6f 75 74 70 |er JSAMP|ROW outp|
|00004cf0| 75 74 5f 70 74 72 3b 0a | 58 20 20 4a 53 41 4d 50 |ut_ptr;.|X JSAMP|
|00004d00| 4c 45 20 2a 72 61 6e 67 | 65 5f 6c 69 6d 69 74 20 |LE *rang|e_limit |
|00004d10| 3d 20 63 69 6e 66 6f 2d | 3e 73 61 6d 70 6c 65 5f |= cinfo-|>sample_|
|00004d20| 72 61 6e 67 65 5f 6c 69 | 6d 69 74 3b 0a 58 20 20 |range_li|mit;.X |
|00004d30| 4a 53 41 4d 50 52 4f 57 | 20 63 6f 6c 6f 72 69 6e |JSAMPROW| colorin|
|00004d40| 64 65 78 5f 63 69 3b 0a | 58 20 20 4a 53 41 4d 50 |dex_ci;.|X JSAMP|
|00004d50| 52 4f 57 20 63 6f 6c 6f | 72 6d 61 70 5f 63 69 3b |ROW colo|rmap_ci;|
|00004d60| 0a 58 20 20 72 65 67 69 | 73 74 65 72 20 69 6e 74 |.X regi|ster int|
|00004d70| 20 70 69 78 63 6f 64 65 | 3b 0a 58 20 20 69 6e 74 | pixcode|;.X int|
|00004d80| 20 64 69 72 3b 09 09 09 | 2f 2a 20 31 20 66 6f 72 | dir;...|/* 1 for|
|00004d90| 20 6c 65 66 74 2d 74 6f | 2d 72 69 67 68 74 2c 20 | left-to|-right, |
|00004da0| 2d 31 20 66 6f 72 20 72 | 69 67 68 74 2d 74 6f 2d |-1 for r|ight-to-|
|00004db0| 6c 65 66 74 20 2a 2f 0a | 58 20 20 69 6e 74 20 63 |left */.|X int c|
|00004dc0| 69 3b 0a 58 20 20 69 6e | 74 20 6e 63 20 3d 20 63 |i;.X in|t nc = c|
|00004dd0| 69 6e 66 6f 2d 3e 63 6f | 6c 6f 72 5f 6f 75 74 5f |info->co|lor_out_|
|00004de0| 63 6f 6d 70 73 3b 0a 58 | 20 20 69 6e 74 20 72 6f |comps;.X| int ro|
|00004df0| 77 3b 0a 58 20 20 6c 6f | 6e 67 20 63 6f 6c 5f 63 |w;.X lo|ng col_c|
|00004e00| 6f 75 6e 74 65 72 3b 0a | 58 20 20 6c 6f 6e 67 20 |ounter;.|X long |
|00004e10| 77 69 64 74 68 20 3d 20 | 63 69 6e 66 6f 2d 3e 69 |width = |cinfo->i|
|00004e20| 6d 61 67 65 5f 77 69 64 | 74 68 3b 0a 58 20 20 53 |mage_wid|th;.X S|
|00004e30| 48 49 46 54 5f 54 45 4d | 50 53 0a 58 0a 58 20 20 |HIFT_TEM|PS.X.X |
|00004e40| 66 6f 72 20 28 72 6f 77 | 20 3d 20 30 3b 20 72 6f |for (row| = 0; ro|
|00004e50| 77 20 3c 20 6e 75 6d 5f | 72 6f 77 73 3b 20 72 6f |w < num_|rows; ro|
|00004e60| 77 2b 2b 29 20 7b 0a 58 | 20 20 20 20 64 6f 5f 63 |w++) {.X| do_c|
|00004e70| 6f 6c 6f 72 5f 63 6f 6e | 76 65 72 73 69 6f 6e 28 |olor_con|version(|
|00004e80| 63 69 6e 66 6f 2c 20 69 | 6e 70 75 74 5f 64 61 74 |cinfo, i|nput_dat|
|00004e90| 61 2c 20 72 6f 77 29 3b | 0a 58 20 20 20 20 2f 2a |a, row);|.X /*|
|00004ea0| 20 49 6e 69 74 69 61 6c | 69 7a 65 20 6f 75 74 70 | Initial|ize outp|
|00004eb0| 75 74 20 76 61 6c 75 65 | 73 20 74 6f 20 30 20 73 |ut value|s to 0 s|
|00004ec0| 6f 20 63 61 6e 20 70 72 | 6f 63 65 73 73 20 63 6f |o can pr|ocess co|
|00004ed0| 6d 70 6f 6e 65 6e 74 73 | 20 73 65 70 61 72 61 74 |mponents| separat|
|00004ee0| 65 6c 79 20 2a 2f 0a 58 | 20 20 20 20 6a 7a 65 72 |ely */.X| jzer|
|00004ef0| 6f 5f 66 61 72 28 28 76 | 6f 69 64 20 46 41 52 20 |o_far((v|oid FAR |
|00004f00| 2a 29 20 6f 75 74 70 75 | 74 5f 64 61 74 61 5b 72 |*) outpu|t_data[r|
|00004f10| 6f 77 5d 2c 0a 58 09 20 | 20 20 20 20 20 28 73 69 |ow],.X. | (si|
|00004f20| 7a 65 5f 74 29 20 28 77 | 69 64 74 68 20 2a 20 53 |ze_t) (w|idth * S|
|00004f30| 49 5a 45 4f 46 28 4a 53 | 41 4d 50 4c 45 29 29 29 |IZEOF(JS|AMPLE)))|
|00004f40| 3b 0a 58 20 20 20 20 66 | 6f 72 20 28 63 69 20 3d |;.X f|or (ci =|
|00004f50| 20 30 3b 20 63 69 20 3c | 20 6e 63 3b 20 63 69 2b | 0; ci <| nc; ci+|
|00004f60| 2b 29 20 7b 0a 58 20 20 | 20 20 20 20 69 66 20 28 |+) {.X | if (|
|00004f70| 6f 6e 5f 6f 64 64 5f 72 | 6f 77 29 20 7b 0a 58 09 |on_odd_r|ow) {.X.|
|00004f80| 2f 2a 20 77 6f 72 6b 20 | 72 69 67 68 74 20 74 6f |/* work |right to|
|00004f90| 20 6c 65 66 74 20 69 6e | 20 74 68 69 73 20 72 6f | left in| this ro|
|00004fa0| 77 20 2a 2f 0a 58 09 64 | 69 72 20 3d 20 2d 31 3b |w */.X.d|ir = -1;|
|00004fb0| 0a 58 09 69 6e 70 75 74 | 5f 70 74 72 20 3d 20 69 |.X.input|_ptr = i|
|00004fc0| 6e 70 75 74 5f 62 75 66 | 66 65 72 5b 63 69 5d 20 |nput_buf|fer[ci] |
|00004fd0| 2b 20 28 77 69 64 74 68 | 2d 31 29 3b 0a 58 09 6f |+ (width|-1);.X.o|
|00004fe0| 75 74 70 75 74 5f 70 74 | 72 20 3d 20 6f 75 74 70 |utput_pt|r = outp|
|00004ff0| 75 74 5f 64 61 74 61 5b | 72 6f 77 5d 20 2b 20 28 |ut_data[|row] + (|
|00005000| 77 69 64 74 68 2d 31 29 | 3b 0a 58 09 74 68 69 73 |width-1)|;.X.this|
|00005010| 72 6f 77 65 72 72 20 3d | 20 6f 64 64 72 6f 77 65 |rowerr =| oddrowe|
|00005020| 72 72 73 5b 63 69 5d 20 | 2b 20 31 3b 0a 58 09 6e |rrs[ci] |+ 1;.X.n|
|00005030| 65 78 74 72 6f 77 65 72 | 72 20 3d 20 65 76 65 6e |extrower|r = even|
|00005040| 72 6f 77 65 72 72 73 5b | 63 69 5d 20 2b 20 77 69 |rowerrs[|ci] + wi|
|00005050| 64 74 68 3b 0a 58 20 20 | 20 20 20 20 7d 20 65 6c |dth;.X | } el|
|00005060| 73 65 20 7b 0a 58 09 2f | 2a 20 77 6f 72 6b 20 6c |se {.X./|* work l|
|00005070| 65 66 74 20 74 6f 20 72 | 69 67 68 74 20 69 6e 20 |eft to r|ight in |
|00005080| 74 68 69 73 20 72 6f 77 | 20 2a 2f 0a 58 09 64 69 |this row| */.X.di|
|00005090| 72 20 3d 20 31 3b 0a 58 | 09 69 6e 70 75 74 5f 70 |r = 1;.X|.input_p|
|000050a0| 74 72 20 3d 20 69 6e 70 | 75 74 5f 62 75 66 66 65 |tr = inp|ut_buffe|
|000050b0| 72 5b 63 69 5d 3b 0a 58 | 09 6f 75 74 70 75 74 5f |r[ci];.X|.output_|
|000050c0| 70 74 72 20 3d 20 6f 75 | 74 70 75 74 5f 64 61 74 |ptr = ou|tput_dat|
|000050d0| 61 5b 72 6f 77 5d 3b 0a | 58 09 74 68 69 73 72 6f |a[row];.|X.thisro|
|000050e0| 77 65 72 72 20 3d 20 65 | 76 65 6e 72 6f 77 65 72 |werr = e|venrower|
|000050f0| 72 73 5b 63 69 5d 20 2b | 20 31 3b 0a 58 09 6e 65 |rs[ci] +| 1;.X.ne|
|00005100| 78 74 72 6f 77 65 72 72 | 20 3d 20 6f 64 64 72 6f |xtrowerr| = oddro|
|00005110| 77 65 72 72 73 5b 63 69 | 5d 20 2b 20 77 69 64 74 |werrs[ci|] + widt|
|00005120| 68 3b 0a 58 20 20 20 20 | 20 20 7d 0a 58 20 20 20 |h;.X | }.X |
|00005130| 20 20 20 63 6f 6c 6f 72 | 69 6e 64 65 78 5f 63 69 | color|index_ci|
|00005140| 20 3d 20 63 6f 6c 6f 72 | 69 6e 64 65 78 5b 63 69 | = color|index[ci|
|00005150| 5d 3b 0a 58 20 20 20 20 | 20 20 63 6f 6c 6f 72 6d |];.X | colorm|
|00005160| 61 70 5f 63 69 20 3d 20 | 63 6f 6c 6f 72 6d 61 70 |ap_ci = |colormap|
|00005170| 5b 63 69 5d 3b 0a 58 20 | 20 20 20 20 20 2a 6e 65 |[ci];.X | *ne|
|00005180| 78 74 72 6f 77 65 72 72 | 20 3d 20 30 3b 09 09 2f |xtrowerr| = 0;../|
|00005190| 2a 20 6e 65 65 64 20 6f | 6e 6c 79 20 69 6e 69 74 |* need o|nly init|
|000051a0| 69 61 6c 69 7a 65 20 74 | 68 69 73 20 6f 6e 65 20 |ialize t|his one |
|000051b0| 65 6e 74 72 79 20 2a 2f | 0a 58 20 20 20 20 20 20 |entry */|.X |
|000051c0| 66 6f 72 20 28 63 6f 6c | 5f 63 6f 75 6e 74 65 72 |for (col|_counter|
|000051d0| 20 3d 20 77 69 64 74 68 | 3b 20 63 6f 6c 5f 63 6f | = width|; col_co|
|000051e0| 75 6e 74 65 72 20 3e 20 | 30 3b 20 63 6f 6c 5f 63 |unter > |0; col_c|
|000051f0| 6f 75 6e 74 65 72 2d 2d | 29 20 7b 0a 58 09 2f 2a |ounter--|) {.X./*|
|00005200| 20 47 65 74 20 61 63 63 | 75 6d 75 6c 61 74 65 64 | Get acc|umulated|
|00005210| 20 65 72 72 6f 72 20 66 | 6f 72 20 74 68 69 73 20 | error f|or this |
|00005220| 63 6f 6d 70 6f 6e 65 6e | 74 2c 20 72 6f 75 6e 64 |componen|t, round|
|00005230| 20 74 6f 20 69 6e 74 65 | 67 65 72 2e 0a 58 09 20 | to inte|ger..X. |
|00005240| 2a 20 52 49 47 48 54 5f | 53 48 49 46 54 20 72 6f |* RIGHT_|SHIFT ro|
|00005250| 75 6e 64 73 20 74 6f 77 | 61 72 64 73 20 6d 69 6e |unds tow|ards min|
|00005260| 75 73 20 69 6e 66 69 6e | 69 74 79 2c 20 73 6f 20 |us infin|ity, so |
|00005270| 61 64 64 69 6e 67 20 38 | 20 69 73 20 63 6f 72 72 |adding 8| is corr|
|00005280| 65 63 74 0a 58 09 20 2a | 20 66 6f 72 20 65 69 74 |ect.X. *| for eit|
|00005290| 68 65 72 20 73 69 67 6e | 20 6f 66 20 74 68 65 20 |her sign| of the |
|000052a0| 65 72 72 6f 72 20 76 61 | 6c 75 65 2e 0a 58 09 20 |error va|lue..X. |
|000052b0| 2a 2f 0a 58 09 76 61 6c | 20 3d 20 52 49 47 48 54 |*/.X.val| = RIGHT|
|000052c0| 5f 53 48 49 46 54 28 2a | 74 68 69 73 72 6f 77 65 |_SHIFT(*|thisrowe|
|000052d0| 72 72 20 2b 20 38 2c 20 | 34 29 3b 0a 58 09 2f 2a |rr + 8, |4);.X./*|
|000052e0| 20 43 6f 6d 70 75 74 65 | 20 70 69 78 65 6c 20 76 | Compute| pixel v|
|000052f0| 61 6c 75 65 20 2b 20 65 | 72 72 6f 72 20 63 6f 6d |alue + e|rror com|
|00005300| 70 65 6e 73 61 74 69 6f | 6e 2c 20 72 61 6e 67 65 |pensatio|n, range|
|00005310| 2d 6c 69 6d 69 74 20 74 | 6f 0a 58 09 20 2a 20 30 |-limit t|o.X. * 0|
|00005320| 2e 2e 4d 41 58 4a 53 41 | 4d 50 4c 45 2e 20 20 4e |..MAXJSA|MPLE. N|
|00005330| 6f 74 65 20 6d 61 78 20 | 65 72 72 6f 72 20 76 61 |ote max |error va|
|00005340| 6c 75 65 20 69 73 20 2b | 2d 20 4d 41 58 4a 53 41 |lue is +|- MAXJSA|
|00005350| 4d 50 4c 45 2e 0a 58 09 | 20 2a 2f 0a 58 09 76 61 |MPLE..X.| */.X.va|
|00005360| 6c 20 3d 20 47 45 54 4a | 53 41 4d 50 4c 45 28 72 |l = GETJ|SAMPLE(r|
|00005370| 61 6e 67 65 5f 6c 69 6d | 69 74 5b 47 45 54 4a 53 |ange_lim|it[GETJS|
|00005380| 41 4d 50 4c 45 28 2a 69 | 6e 70 75 74 5f 70 74 72 |AMPLE(*i|nput_ptr|
|00005390| 29 20 2b 20 76 61 6c 5d | 29 3b 0a 58 09 2f 2a 20 |) + val]|);.X./* |
|000053a0| 53 65 6c 65 63 74 20 6f | 75 74 70 75 74 20 76 61 |Select o|utput va|
|000053b0| 6c 75 65 2c 20 61 63 63 | 75 6d 75 6c 61 74 65 20 |lue, acc|umulate |
|000053c0| 69 6e 74 6f 20 6f 75 74 | 70 75 74 20 63 6f 64 65 |into out|put code|
|000053d0| 20 66 6f 72 20 74 68 69 | 73 20 70 69 78 65 6c 20 | for thi|s pixel |
|000053e0| 2a 2f 0a 58 09 70 69 78 | 63 6f 64 65 20 3d 20 47 |*/.X.pix|code = G|
|000053f0| 45 54 4a 53 41 4d 50 4c | 45 28 2a 6f 75 74 70 75 |ETJSAMPL|E(*outpu|
|00005400| 74 5f 70 74 72 29 20 2b | 20 47 45 54 4a 53 41 4d |t_ptr) +| GETJSAM|
|00005410| 50 4c 45 28 63 6f 6c 6f | 72 69 6e 64 65 78 5f 63 |PLE(colo|rindex_c|
|00005420| 69 5b 76 61 6c 5d 29 3b | 0a 58 09 2a 6f 75 74 70 |i[val]);|.X.*outp|
|00005430| 75 74 5f 70 74 72 20 3d | 20 28 4a 53 41 4d 50 4c |ut_ptr =| (JSAMPL|
|00005440| 45 29 20 70 69 78 63 6f | 64 65 3b 0a 58 09 2f 2a |E) pixco|de;.X./*|
|00005450| 20 43 6f 6d 70 75 74 65 | 20 61 63 74 75 61 6c 20 | Compute| actual |
|00005460| 72 65 70 72 65 73 65 6e | 74 61 74 69 6f 6e 20 65 |represen|tation e|
|00005470| 72 72 6f 72 20 61 74 20 | 74 68 69 73 20 70 69 78 |rror at |this pix|
|00005480| 65 6c 20 2a 2f 0a 58 09 | 2f 2a 20 4e 6f 74 65 3a |el */.X.|/* Note:|
|00005490| 20 77 65 20 63 61 6e 20 | 64 6f 20 74 68 69 73 20 | we can |do this |
|000054a0| 65 76 65 6e 20 74 68 6f | 75 67 68 20 77 65 20 64 |even tho|ugh we d|
|000054b0| 6f 6e 27 74 20 79 65 74 | 20 68 61 76 65 20 74 68 |on't yet| have th|
|000054c0| 65 20 66 69 6e 61 6c 20 | 2a 2f 0a 58 09 2f 2a 20 |e final |*/.X./* |
|000054d0| 76 61 6c 75 65 20 6f 66 | 20 70 69 78 63 6f 64 65 |value of| pixcode|
|000054e0| 2c 20 62 65 63 61 75 73 | 65 20 74 68 65 20 63 6f |, becaus|e the co|
|000054f0| 6c 6f 72 6d 61 70 20 69 | 73 20 6f 72 74 68 6f 67 |lormap i|s orthog|
|00005500| 6f 6e 61 6c 2e 20 2a 2f | 0a 58 09 76 61 6c 20 2d |onal. */|.X.val -|
|00005510| 3d 20 47 45 54 4a 53 41 | 4d 50 4c 45 28 63 6f 6c |= GETJSA|MPLE(col|
|00005520| 6f 72 6d 61 70 5f 63 69 | 5b 70 69 78 63 6f 64 65 |ormap_ci|[pixcode|
|00005530| 5d 29 3b 0a 58 09 2f 2a | 20 50 72 6f 70 61 67 61 |]);.X./*| Propaga|
|00005540| 74 65 20 65 72 72 6f 72 | 20 74 6f 20 28 73 61 6d |te error| to (sam|
|00005550| 65 20 63 6f 6d 70 6f 6e | 65 6e 74 20 6f 66 29 20 |e compon|ent of) |
|00005560| 61 64 6a 61 63 65 6e 74 | 20 70 69 78 65 6c 73 20 |adjacent| pixels |
|00005570| 2a 2f 0a 58 09 2f 2a 20 | 52 65 6d 65 6d 62 65 72 |*/.X./* |Remember|
|00005580| 20 74 68 61 74 20 6e 65 | 78 74 72 6f 77 65 72 72 | that ne|xtrowerr|
|00005590| 20 65 6e 74 72 69 65 73 | 20 61 72 65 20 69 6e 20 | entries| are in |
|000055a0| 72 65 76 65 72 73 65 20 | 6f 72 64 65 72 21 20 2a |reverse |order! *|
|000055b0| 2f 0a 58 09 74 77 6f 5f | 76 61 6c 20 3d 20 76 61 |/.X.two_|val = va|
|000055c0| 6c 20 2a 20 32 3b 0a 58 | 09 6e 65 78 74 72 6f 77 |l * 2;.X|.nextrow|
|000055d0| 65 72 72 5b 2d 31 5d 20 | 20 3d 20 76 61 6c 3b 20 |err[-1] | = val; |
|000055e0| 2f 2a 20 6e 6f 74 20 2b | 3d 2c 20 73 69 6e 63 65 |/* not +|=, since|
|000055f0| 20 6e 6f 74 20 69 6e 69 | 74 69 61 6c 69 7a 65 64 | not ini|tialized|
|00005600| 20 79 65 74 20 2a 2f 0a | 58 09 76 61 6c 20 2b 3d | yet */.|X.val +=|
|00005610| 20 74 77 6f 5f 76 61 6c | 3b 09 09 2f 2a 20 66 6f | two_val|;../* fo|
|00005620| 72 6d 20 65 72 72 6f 72 | 20 2a 20 33 20 2a 2f 0a |rm error| * 3 */.|
|00005630| 58 09 6e 65 78 74 72 6f | 77 65 72 72 5b 20 31 5d |X.nextro|werr[ 1]|
|00005640| 20 2b 3d 20 76 61 6c 3b | 0a 58 09 76 61 6c 20 2b | += val;|.X.val +|
|00005650| 3d 20 74 77 6f 5f 76 61 | 6c 3b 09 09 2f 2a 20 66 |= two_va|l;../* f|
|00005660| 6f 72 6d 20 65 72 72 6f | 72 20 2a 20 35 20 2a 2f |orm erro|r * 5 */|
|00005670| 0a 58 09 6e 65 78 74 72 | 6f 77 65 72 72 5b 20 30 |.X.nextr|owerr[ 0|
|00005680| 5d 20 2b 3d 20 76 61 6c | 3b 0a 58 09 76 61 6c 20 |] += val|;.X.val |
|00005690| 2b 3d 20 74 77 6f 5f 76 | 61 6c 3b 09 09 2f 2a 20 |+= two_v|al;../* |
|000056a0| 66 6f 72 6d 20 65 72 72 | 6f 72 20 2a 20 37 20 2a |form err|or * 7 *|
|000056b0| 2f 0a 58 09 74 68 69 73 | 72 6f 77 65 72 72 5b 20 |/.X.this|rowerr[ |
|000056c0| 31 5d 20 2b 3d 20 76 61 | 6c 3b 0a 58 09 69 6e 70 |1] += va|l;.X.inp|
|000056d0| 75 74 5f 70 74 72 20 2b | 3d 20 64 69 72 3b 09 2f |ut_ptr +|= dir;./|
|000056e0| 2a 20 61 64 76 61 6e 63 | 65 20 69 6e 70 75 74 20 |* advanc|e input |
|000056f0| 70 74 72 20 74 6f 20 6e | 65 78 74 20 63 6f 6c 75 |ptr to n|ext colu|
|00005700| 6d 6e 20 2a 2f 0a 58 09 | 6f 75 74 70 75 74 5f 70 |mn */.X.|output_p|
|00005710| 74 72 20 2b 3d 20 64 69 | 72 3b 09 2f 2a 20 61 64 |tr += di|r;./* ad|
|00005720| 76 61 6e 63 65 20 6f 75 | 74 70 75 74 20 70 74 72 |vance ou|tput ptr|
|00005730| 20 74 6f 20 6e 65 78 74 | 20 63 6f 6c 75 6d 6e 20 | to next| column |
|00005740| 2a 2f 0a 58 09 74 68 69 | 73 72 6f 77 65 72 72 2b |*/.X.thi|srowerr+|
|00005750| 2b 3b 09 09 2f 2a 20 63 | 75 72 2d 72 6f 77 20 65 |+;../* c|ur-row e|
|00005760| 72 72 6f 72 20 70 74 72 | 20 61 64 76 61 6e 63 65 |rror ptr| advance|
|00005770| 73 20 74 6f 20 72 69 67 | 68 74 20 2a 2f 0a 58 09 |s to rig|ht */.X.|
|00005780| 6e 65 78 74 72 6f 77 65 | 72 72 2d 2d 3b 09 09 2f |nextrowe|rr--;../|
|00005790| 2a 20 6e 65 78 74 2d 72 | 6f 77 20 65 72 72 6f 72 |* next-r|ow error|
|000057a0| 20 70 74 72 20 61 64 76 | 61 6e 63 65 73 20 74 6f | ptr adv|ances to|
|000057b0| 20 6c 65 66 74 20 2a 2f | 0a 58 20 20 20 20 20 20 | left */|.X |
|000057c0| 7d 0a 58 20 20 20 20 7d | 0a 58 20 20 20 20 6f 6e |}.X }|.X on|
|000057d0| 5f 6f 64 64 5f 72 6f 77 | 20 3d 20 28 6f 6e 5f 6f |_odd_row| = (on_o|
|000057e0| 64 64 5f 72 6f 77 20 3f | 20 46 41 4c 53 45 20 3a |dd_row ?| FALSE :|
|000057f0| 20 54 52 55 45 29 3b 0a | 58 20 20 7d 0a 58 7d 0a | TRUE);.|X }.X}.|
|00005800| 58 0a 58 0a 58 2f 2a 0a | 58 20 2a 20 46 69 6e 69 |X.X.X/*.|X * Fini|
|00005810| 73 68 20 75 70 20 61 74 | 20 74 68 65 20 65 6e 64 |sh up at| the end|
|00005820| 20 6f 66 20 74 68 65 20 | 66 69 6c 65 2e 0a 58 20 | of the |file..X |
|00005830| 2a 2f 0a 58 0a 58 4d 45 | 54 48 4f 44 44 45 46 20 |*/.X.XME|THODDEF |
|00005840| 76 6f 69 64 0a 58 63 6f | 6c 6f 72 5f 71 75 61 6e |void.Xco|lor_quan|
|00005850| 74 5f 74 65 72 6d 20 28 | 64 65 63 6f 6d 70 72 65 |t_term (|decompre|
|00005860| 73 73 5f 69 6e 66 6f 5f | 70 74 72 20 63 69 6e 66 |ss_info_|ptr cinf|
|00005870| 6f 29 0a 58 7b 0a 58 20 | 20 2f 2a 20 6e 6f 20 77 |o).X{.X | /* no w|
|00005880| 6f 72 6b 20 28 77 65 20 | 6c 65 74 20 66 72 65 65 |ork (we |let free|
|00005890| 5f 61 6c 6c 20 72 65 6c | 65 61 73 65 20 74 68 65 |_all rel|ease the|
|000058a0| 20 77 6f 72 6b 73 70 61 | 63 65 29 20 2a 2f 0a 58 | workspa|ce) */.X|
|000058b0| 20 20 2f 2a 20 4e 6f 74 | 65 20 74 68 61 74 20 77 | /* Not|e that w|
|000058c0| 65 20 2a 6d 75 73 74 6e | 27 74 2a 20 66 72 65 65 |e *mustn|'t* free|
|000058d0| 20 74 68 65 20 63 6f 6c | 6f 72 6d 61 70 20 62 65 | the col|ormap be|
|000058e0| 66 6f 72 65 20 66 72 65 | 65 5f 61 6c 6c 2c 20 2a |fore fre|e_all, *|
|000058f0| 2f 0a 58 20 20 2f 2a 20 | 73 69 6e 63 65 20 6f 75 |/.X /* |since ou|
|00005900| 74 70 75 74 20 6d 6f 64 | 75 6c 65 20 6d 61 79 20 |tput mod|ule may |
|00005910| 75 73 65 20 69 74 21 20 | 2a 2f 0a 58 7d 0a 58 0a |use it! |*/.X}.X.|
|00005920| 58 0a 58 2f 2a 0a 58 20 | 2a 20 50 72 65 73 63 61 |X.X/*.X |* Presca|
|00005930| 6e 20 73 6f 6d 65 20 72 | 6f 77 73 20 6f 66 20 70 |n some r|ows of p|
|00005940| 69 78 65 6c 73 2e 0a 58 | 20 2a 20 4e 6f 74 20 75 |ixels..X| * Not u|
|00005950| 73 65 64 20 69 6e 20 6f | 6e 65 2d 70 61 73 73 20 |sed in o|ne-pass |
|00005960| 63 61 73 65 2e 0a 58 20 | 2a 2f 0a 58 0a 58 4d 45 |case..X |*/.X.XME|
|00005970| 54 48 4f 44 44 45 46 20 | 76 6f 69 64 0a 58 63 6f |THODDEF |void.Xco|
|00005980| 6c 6f 72 5f 71 75 61 6e | 74 5f 70 72 65 73 63 61 |lor_quan|t_presca|
|00005990| 6e 20 28 64 65 63 6f 6d | 70 72 65 73 73 5f 69 6e |n (decom|press_in|
|000059a0| 66 6f 5f 70 74 72 20 63 | 69 6e 66 6f 2c 20 69 6e |fo_ptr c|info, in|
|000059b0| 74 20 6e 75 6d 5f 72 6f | 77 73 2c 0a 58 09 09 20 |t num_ro|ws,.X.. |
|000059c0| 20 20 20 20 4a 53 41 4d | 50 49 4d 41 47 45 20 69 | JSAM|PIMAGE i|
|000059d0| 6d 61 67 65 5f 64 61 74 | 61 2c 20 4a 53 41 4d 50 |mage_dat|a, JSAMP|
|000059e0| 41 52 52 41 59 20 77 6f | 72 6b 73 70 61 63 65 29 |ARRAY wo|rkspace)|
|000059f0| 0a 58 7b 0a 58 20 20 45 | 52 52 45 58 49 54 28 63 |.X{.X E|RREXIT(c|
|00005a00| 69 6e 66 6f 2d 3e 65 6d | 65 74 68 6f 64 73 2c 20 |info->em|ethods, |
|00005a10| 22 53 68 6f 75 6c 64 20 | 6e 6f 74 20 67 65 74 20 |"Should |not get |
|00005a20| 68 65 72 65 21 22 29 3b | 0a 58 7d 0a 58 0a 58 0a |here!");|.X}.X.X.|
|00005a30| 58 2f 2a 0a 58 20 2a 20 | 44 6f 20 74 77 6f 2d 70 |X/*.X * |Do two-p|
|00005a40| 61 73 73 20 71 75 61 6e | 74 69 7a 61 74 69 6f 6e |ass quan|tization|
|00005a50| 2e 0a 58 20 2a 20 4e 6f | 74 20 75 73 65 64 20 69 |..X * No|t used i|
|00005a60| 6e 20 6f 6e 65 2d 70 61 | 73 73 20 63 61 73 65 2e |n one-pa|ss case.|
|00005a70| 0a 58 20 2a 2f 0a 58 0a | 58 4d 45 54 48 4f 44 44 |.X */.X.|XMETHODD|
|00005a80| 45 46 20 76 6f 69 64 0a | 58 63 6f 6c 6f 72 5f 71 |EF void.|Xcolor_q|
|00005a90| 75 61 6e 74 5f 64 6f 69 | 74 20 28 64 65 63 6f 6d |uant_doi|t (decom|
|00005aa0| 70 72 65 73 73 5f 69 6e | 66 6f 5f 70 74 72 20 63 |press_in|fo_ptr c|
|00005ab0| 69 6e 66 6f 2c 20 71 75 | 61 6e 74 69 7a 65 5f 63 |info, qu|antize_c|
|00005ac0| 61 6c 6c 65 72 5f 70 74 | 72 20 73 6f 75 72 63 65 |aller_pt|r source|
|00005ad0| 5f 6d 65 74 68 6f 64 29 | 0a 58 7b 0a 58 20 20 45 |_method)|.X{.X E|
|00005ae0| 52 52 45 58 49 54 28 63 | 69 6e 66 6f 2d 3e 65 6d |RREXIT(c|info->em|
|00005af0| 65 74 68 6f 64 73 2c 20 | 22 53 68 6f 75 6c 64 20 |ethods, |"Should |
|00005b00| 6e 6f 74 20 67 65 74 20 | 68 65 72 65 21 22 29 3b |not get |here!");|
|00005b10| 0a 58 7d 0a 58 0a 58 0a | 58 2f 2a 0a 58 20 2a 20 |.X}.X.X.|X/*.X * |
|00005b20| 54 68 65 20 6d 65 74 68 | 6f 64 20 73 65 6c 65 63 |The meth|od selec|
|00005b30| 74 69 6f 6e 20 72 6f 75 | 74 69 6e 65 20 66 6f 72 |tion rou|tine for|
|00005b40| 20 31 2d 70 61 73 73 20 | 63 6f 6c 6f 72 20 71 75 | 1-pass |color qu|
|00005b50| 61 6e 74 69 7a 61 74 69 | 6f 6e 2e 0a 58 20 2a 2f |antizati|on..X */|
|00005b60| 0a 58 0a 58 47 4c 4f 42 | 41 4c 20 76 6f 69 64 0a |.X.XGLOB|AL void.|
|00005b70| 58 6a 73 65 6c 31 71 75 | 61 6e 74 69 7a 65 20 28 |Xjsel1qu|antize (|
|00005b80| 64 65 63 6f 6d 70 72 65 | 73 73 5f 69 6e 66 6f 5f |decompre|ss_info_|
|00005b90| 70 74 72 20 63 69 6e 66 | 6f 29 0a 58 7b 0a 58 20 |ptr cinf|o).X{.X |
|00005ba0| 20 69 66 20 28 21 20 63 | 69 6e 66 6f 2d 3e 74 77 | if (! c|info->tw|
|00005bb0| 6f 5f 70 61 73 73 5f 71 | 75 61 6e 74 69 7a 65 29 |o_pass_q|uantize)|
|00005bc0| 20 7b 0a 58 20 20 20 20 | 63 69 6e 66 6f 2d 3e 6d | {.X |cinfo->m|
|00005bd0| 65 74 68 6f 64 73 2d 3e | 63 6f 6c 6f 72 5f 71 75 |ethods->|color_qu|
|00005be0| 61 6e 74 5f 69 6e 69 74 | 20 3d 20 63 6f 6c 6f 72 |ant_init| = color|
|00005bf0| 5f 71 75 61 6e 74 5f 69 | 6e 69 74 3b 0a 58 20 20 |_quant_i|nit;.X |
|00005c00| 20 20 69 66 20 28 63 69 | 6e 66 6f 2d 3e 75 73 65 | if (ci|nfo->use|
|00005c10| 5f 64 69 74 68 65 72 69 | 6e 67 29 20 7b 0a 58 20 |_ditheri|ng) {.X |
|00005c20| 20 20 20 20 20 63 69 6e | 66 6f 2d 3e 6d 65 74 68 | cin|fo->meth|
|00005c30| 6f 64 73 2d 3e 63 6f 6c | 6f 72 5f 71 75 61 6e 74 |ods->col|or_quant|
|00005c40| 69 7a 65 20 3d 20 63 6f | 6c 6f 72 5f 71 75 61 6e |ize = co|lor_quan|
|00005c50| 74 69 7a 65 5f 64 69 74 | 68 65 72 3b 0a 58 20 20 |tize_dit|her;.X |
|00005c60| 20 20 7d 20 65 6c 73 65 | 20 7b 0a 58 20 20 20 20 | } else| {.X |
|00005c70| 20 20 69 66 20 28 63 69 | 6e 66 6f 2d 3e 63 6f 6c | if (ci|nfo->col|
|00005c80| 6f 72 5f 6f 75 74 5f 63 | 6f 6d 70 73 20 3d 3d 20 |or_out_c|omps == |
|00005c90| 33 29 0a 58 09 63 69 6e | 66 6f 2d 3e 6d 65 74 68 |3).X.cin|fo->meth|
|00005ca0| 6f 64 73 2d 3e 63 6f 6c | 6f 72 5f 71 75 61 6e 74 |ods->col|or_quant|
|00005cb0| 69 7a 65 20 3d 20 63 6f | 6c 6f 72 5f 71 75 61 6e |ize = co|lor_quan|
|00005cc0| 74 69 7a 65 33 3b 0a 58 | 20 20 20 20 20 20 65 6c |tize3;.X| el|
|00005cd0| 73 65 0a 58 09 63 69 6e | 66 6f 2d 3e 6d 65 74 68 |se.X.cin|fo->meth|
|00005ce0| 6f 64 73 2d 3e 63 6f 6c | 6f 72 5f 71 75 61 6e 74 |ods->col|or_quant|
|00005cf0| 69 7a 65 20 3d 20 63 6f | 6c 6f 72 5f 71 75 61 6e |ize = co|lor_quan|
|00005d00| 74 69 7a 65 3b 0a 58 20 | 20 20 20 7d 0a 58 20 20 |tize;.X | }.X |
|00005d10| 20 20 63 69 6e 66 6f 2d | 3e 6d 65 74 68 6f 64 73 | cinfo-|>methods|
|00005d20| 2d 3e 63 6f 6c 6f 72 5f | 71 75 61 6e 74 5f 70 72 |->color_|quant_pr|
|00005d30| 65 73 63 61 6e 20 3d 20 | 63 6f 6c 6f 72 5f 71 75 |escan = |color_qu|
|00005d40| 61 6e 74 5f 70 72 65 73 | 63 61 6e 3b 0a 58 20 20 |ant_pres|can;.X |
|00005d50| 20 20 63 69 6e 66 6f 2d | 3e 6d 65 74 68 6f 64 73 | cinfo-|>methods|
|00005d60| 2d 3e 63 6f 6c 6f 72 5f | 71 75 61 6e 74 5f 64 6f |->color_|quant_do|
|00005d70| 69 74 20 3d 20 63 6f 6c | 6f 72 5f 71 75 61 6e 74 |it = col|or_quant|
|00005d80| 5f 64 6f 69 74 3b 0a 58 | 20 20 20 20 63 69 6e 66 |_doit;.X| cinf|
|00005d90| 6f 2d 3e 6d 65 74 68 6f | 64 73 2d 3e 63 6f 6c 6f |o->metho|ds->colo|
|00005da0| 72 5f 71 75 61 6e 74 5f | 74 65 72 6d 20 3d 20 63 |r_quant_|term = c|
|00005db0| 6f 6c 6f 72 5f 71 75 61 | 6e 74 5f 74 65 72 6d 3b |olor_qua|nt_term;|
|00005dc0| 0a 58 20 20 7d 0a 58 7d | 0a 58 0a 58 23 65 6e 64 |.X }.X}|.X.X#end|
|00005dd0| 69 66 20 2f 2a 20 51 55 | 41 4e 54 5f 31 50 41 53 |if /* QU|ANT_1PAS|
|00005de0| 53 5f 53 55 50 50 4f 52 | 54 45 44 20 2a 2f 0a 45 |S_SUPPOR|TED */.E|
|00005df0| 4e 44 5f 4f 46 5f 46 49 | 4c 45 0a 20 20 69 66 20 |ND_OF_FI|LE. if |
|00005e00| 74 65 73 74 20 32 32 30 | 32 31 20 2d 6e 65 20 60 |test 220|21 -ne `|
|00005e10| 77 63 20 2d 63 20 3c 27 | 6a 71 75 61 6e 74 31 2e |wc -c <'|jquant1.|
|00005e20| 63 27 60 3b 20 74 68 65 | 6e 0a 20 20 20 20 65 63 |c'`; the|n. ec|
|00005e30| 68 6f 20 73 68 61 72 3a | 20 5c 22 27 6a 71 75 61 |ho shar:| \"'jqua|
|00005e40| 6e 74 31 2e 63 27 5c 22 | 20 75 6e 70 61 63 6b 65 |nt1.c'\"| unpacke|
|00005e50| 64 20 77 69 74 68 20 77 | 72 6f 6e 67 20 73 69 7a |d with w|rong siz|
|00005e60| 65 21 0a 20 20 66 69 0a | 20 20 23 20 65 6e 64 20 |e!. fi.| # end |
|00005e70| 6f 66 20 27 6a 71 75 61 | 6e 74 31 2e 63 27 0a 66 |of 'jqua|nt1.c'.f|
|00005e80| 69 0a 69 66 20 74 65 73 | 74 20 2d 66 20 27 74 69 |i.if tes|t -f 'ti|
|00005e90| 6d 67 2e 70 70 6d 2e 55 | 55 2e 42 27 20 2d 61 20 |mg.ppm.U|U.B' -a |
|00005ea0| 22 24 7b 31 7d 22 20 21 | 3d 20 22 2d 63 22 20 3b |"${1}" !|= "-c" ;|
|00005eb0| 20 74 68 65 6e 20 0a 20 | 20 65 63 68 6f 20 73 68 | then . | echo sh|
|00005ec0| 61 72 3a 20 57 69 6c 6c | 20 6e 6f 74 20 63 6c 6f |ar: Will| not clo|
|00005ed0| 62 62 65 72 20 65 78 69 | 73 74 69 6e 67 20 66 69 |bber exi|sting fi|
|00005ee0| 6c 65 20 5c 22 27 74 69 | 6d 67 2e 70 70 6d 2e 55 |le \"'ti|mg.ppm.U|
|00005ef0| 55 2e 42 27 5c 22 0a 65 | 6c 73 65 0a 20 20 65 63 |U.B'\".e|lse. ec|
|00005f00| 68 6f 20 73 68 61 72 3a | 20 45 78 74 72 61 63 74 |ho shar:| Extract|
|00005f10| 69 6e 67 20 5c 22 27 74 | 69 6d 67 2e 70 70 6d 2e |ing \"'t|img.ppm.|
|00005f20| 55 55 2e 42 27 5c 22 20 | 5c 28 33 33 36 37 32 20 |UU.B'\" |\(33672 |
|00005f30| 63 68 61 72 61 63 74 65 | 72 73 5c 29 0a 20 20 73 |characte|rs\). s|
|00005f40| 65 64 20 22 73 2f 5e 58 | 2f 2f 22 20 3e 27 74 69 |ed "s/^X|//" >'ti|
|00005f50| 6d 67 2e 70 70 6d 2e 55 | 55 2e 42 27 20 3c 3c 27 |mg.ppm.U|U.B' <<'|
|00005f60| 45 4e 44 5f 4f 46 5f 46 | 49 4c 45 27 0a 58 4d 56 |END_OF_F|ILE'.XMV|
|00005f70| 29 22 44 49 55 5d 53 3f | 53 3d 2e 43 54 39 43 3b |)"DIU]S?|S=.CT9C;|
|00005f80| 42 2d 28 3a 41 59 29 37 | 51 35 21 39 21 51 25 37 |B-(:AY)7|Q5!9!Q%7|
|00005f90| 31 34 5c 37 21 30 5b 3a | 32 29 27 3b 32 31 28 37 |14\7!0[:|2)';21(7|
|00005fa0| 31 34 56 39 21 4c 58 41 | 33 45 34 0a 58 4d 4a 25 |14V9!LXA|3E4.XMJ%|
|00005fb0| 55 53 4f 27 22 21 4f 57 | 29 5d 4e 36 55 51 50 27 |USO'"!OW|)]N6UQP'|
|00005fc0| 2d 54 3e 24 4a 22 43 55 | 5e 37 49 27 2a 48 45 36 |-T>$J"CU|^7I'*HE6|
|00005fd0| 2a 36 4c 37 4a 4d 3c 43 | 3d 48 33 51 20 5e 37 51 |*6L7JM<C|=H3Q ^7Q|
|00005fe0| 55 2a 36 51 3d 23 37 31 | 45 23 0a 58 4d 37 51 49 |U*6Q=#71|E#.XM7QI|
|00005ff0| 22 38 21 41 21 37 41 39 | 21 37 41 39 21 37 31 35 |"8!A!7A9|!7A9!715|
|00006000| 20 36 41 31 21 37 31 41 | 28 38 31 51 2c 32 30 2c | 6A1!71A|(81Q,20,|
|00006010| 50 36 30 5c 57 34 40 34 | 48 37 40 58 4a 4c 36 25 |P60\W4@4|H7@XJL6%|
|00006020| 55 50 47 2e 20 49 25 39 | 3d 0a 58 4d 52 48 26 23 |UPG. I%9|=.XMRH&#|
|00006030| 56 29 3a 31 53 39 26 28 | 5a 2b 2a 47 53 5a 22 33 |V):1S9&(|Z+*GSZ"3|
|00006040| 56 4a 5e 3f 5d 3c 3a 59 | 58 3a 22 3d 48 35 29 36 |VJ^?]<:Y|X:"=H5)6|
|00006050| 45 33 3c 5e 4e 34 51 36 | 52 55 21 3c 56 25 35 43 |E3<^N4Q6|RU!<V%5C|
|00006060| 59 36 31 51 57 36 29 4b | 0a 58 4d 58 27 2d 57 55 |Y61QW6)K|.XMX'-WU|
|00006070| 57 31 55 54 57 39 55 54 | 57 41 58 56 27 39 5a 57 |W1UTW9UT|WAXV'9ZW|
|00006080| 27 31 5a 58 36 59 5a 57 | 56 51 58 58 47 3d 5e 55 |'1ZX6YZW|VQXXG=^U|
|00006090| 36 55 53 54 46 49 50 54 | 46 49 52 53 36 35 4f 53 |6USTFIPT|FIRS65OS|
|000060a0| 56 4d 54 54 57 29 5c 0a | 58 4d 52 57 25 5a 53 37 |VMTTW)\.|XMRW%ZS7|
|000060b0| 39 5e 53 37 46 20 55 58 | 2e 2a 57 28 36 2d 56 37 |9^S7F UX|.*W(6-V7|
|000060c0| 52 25 57 27 4a 22 57 37 | 35 5f 55 46 2d 4f 54 45 |R%W'J"W7|5_UF-OTE|
|000060d0| 39 3f 56 25 45 41 55 56 | 2d 47 55 46 35 48 54 25 |9?V%EAUV|-GUF5HT%|
|000060e0| 59 44 53 55 45 42 0a 58 | 4d 56 25 4d 48 57 36 31 |YDSUEB.X|MV%MHW61|
|000060f0| 50 58 37 31 5e 5a 49 26 | 34 5c 4b 26 4e 5f 4c 53 |PX71^ZI&|4\K&N_LS|
|00006100| 26 5f 5d 3b 2f 5b 3b 56 | 58 56 29 4e 3a 55 38 52 |&_];/[;V|XV)N:U8R|
|00006110| 2e 53 57 45 5b 52 56 5d | 53 52 46 51 55 52 26 3d |.SWE[RV]|SRFQUR&=|
|00006120| 52 51 26 25 4f 0a 58 4d | 52 26 2d 52 51 35 55 4d |RQ&%O.XM|R&-RQ5UM|
|00006130| 4d 24 4d 39 48 33 45 23 | 48 43 49 22 4a 54 2d 2d |M$M9H3E#|HCI"JT--|
|00006140| 49 33 59 2a 48 43 55 2e | 45 43 21 27 3e 41 30 53 |I3Y*HCU.|EC!'>A0S|
|00006150| 3f 21 4c 5f 38 40 5c 54 | 36 30 58 55 3a 21 55 25 |?!L_8@\T|60XU:!U%|
|00006160| 3a 31 59 26 0a 58 4d 3e | 42 5d 37 3c 42 3d 2e 39 |:1Y&.XM>|B]7<B=.9|
|00006170| 21 48 5a 47 55 39 52 55 | 58 5e 44 56 59 2e 47 4c |!HZGU9RU|X^DVY.GL|
|00006180| 56 4d 5f 40 23 41 2f 42 | 34 21 3d 3b 32 29 27 39 |VM_@#A/B|4!=;2)'9|
|00006190| 41 49 25 38 21 39 22 38 | 41 49 23 36 31 30 5c 37 |AI%8!9"8|AI#610\7|
|000061a0| 31 34 5c 0a 58 4d 3b 32 | 39 2b 3b 32 31 28 36 31 |14\.XM;2|9+;21(61|
|000061b0| 24 50 38 51 48 56 42 54 | 21 38 4c 56 3d 5c 4f 27 |$P8QHVBT|!8LV=\O'|
|000061c0| 25 5f 4e 46 55 56 4e 26 | 51 4f 50 57 41 56 3c 54 |%_NFUVN&|QOPWAV<T|
|000061d0| 35 5d 41 35 36 2e 43 55 | 56 35 49 37 2a 46 41 55 |5]A56.CU|V5I7*FAU|
|000061e0| 22 23 0a 58 4d 3a 53 21 | 41 39 52 41 36 3a 22 39 |"#.XM:S!|A9RA6:"9|
|000061f0| 33 35 31 24 5d 36 41 30 | 5f 37 41 38 5f 37 21 30 |351$]6A0|_7A8_7!0|
|00006200| 5d 36 51 2c 5e 37 41 39 | 21 38 21 41 23 37 41 41 |]6Q,^7A9|!8!A#7AA|
|00006210| 26 35 41 21 25 39 42 21 | 35 34 20 48 58 34 40 3c |&5A!%9B!|54 HX4@<|
|00006220| 4f 0a 58 4d 34 50 34 46 | 41 23 2d 2b 53 37 52 2a |O.XM4P4F|A#-+S7R*|
|00006230| 4a 25 41 3e 4d 46 45 48 | 57 59 36 2f 57 29 46 31 |J%A>MFEH|WY6/W)F1|
|00006240| 56 29 56 32 57 2a 3a 3b | 57 5b 2a 44 5f 3d 33 27 |V)V2W*:;|W[*D_=3'|
|00006250| 57 4a 4e 41 4a 45 41 3b | 47 43 51 24 49 23 3d 21 |WJNAJEA;|GCQ$I#=!|
|00006260| 0a 58 4d 50 34 51 36 54 | 45 35 41 56 25 45 43 57 |.XMP4Q6T|E5AV%ECW|
|00006270| 56 21 4a 58 56 45 4f 58 | 57 29 55 57 57 39 56 57 |V!JXVEOX|W)UWW9VW|
|00006280| 37 41 57 57 57 51 5d 58 | 37 59 5f 58 57 56 21 59 |7AWWWQ]X|7Y_XWV!Y|
|00006290| 27 49 5f 58 47 41 5d 55 | 57 31 55 53 56 59 4c 0a |'I_XGA]U|W1USVYL.|
|000062a0| 58 4d 55 37 29 53 56 57 | 35 59 55 46 59 54 55 36 |XMU7)SVW|5YUFYTU6|
|000062b0| 5d 56 56 37 3d 5f 55 47 | 42 21 56 27 5a 27 55 47 |]VV7=_UG|B!V'Z'UG|
|000062c0| 5e 27 57 38 46 30 58 38 | 4a 32 57 28 2a 2a 58 58 |^'W8F0X8|J2W(**XX|
|000062d0| 36 2c 5a 28 3a 2e 59 47 | 46 23 55 45 4d 44 0a 58 |6,Z(:.YG|F#UEMD.X|
|000062e0| 4d 57 45 5d 47 56 56 3d | 4b 55 56 3d 4a 54 35 5d |MWE]GVV=|KUV=JT5]|
|000062f0| 45 53 55 49 43 55 55 51 | 48 56 46 25 4d 59 27 46 |ESUICUUQ|HVF%MY'F|
|00006300| 22 5a 29 22 35 5a 3a 4a | 49 5d 2c 32 5e 5f 3d 2f |"Z)"5Z:J|I],2^_=/|
|00006310| 2c 5c 3c 2e 5d 58 2a 3a | 44 58 49 4e 3a 0a 58 4d |,\<.]X*:|DXIN:.XM|
|00006320| 59 38 5a 2d 58 38 2a 21 | 57 37 56 20 56 27 31 5b |Y8Z-X8*!|W7V V'1[|
|00006330| 53 36 39 50 52 46 25 4e | 52 35 59 49 4f 55 29 3c |S69PRF%N|R5YIOU)<|
|00006340| 4d 54 4d 32 4d 54 4d 31 | 4f 35 25 38 4c 54 41 33 |MTM2MTM1|O5%8LTA3|
|00006350| 4a 54 25 32 47 23 25 2a | 40 41 40 57 0a 58 4d 41 |JT%2G#%*|@A@W.XMA|
|00006360| 22 29 24 38 51 20 53 36 | 30 58 55 3a 21 55 25 3a |")$8Q S6|0XU:!U%:|
|00006370| 31 59 26 3e 32 59 36 3c | 32 39 2d 38 31 3c 57 47 |1Y&>2Y6<|29-81<WG|
|00006380| 35 31 50 55 38 56 42 57 | 59 3e 4b 4e 37 26 25 40 |51PU8VBW|Y>KN7&%@|
|00006390| 53 4d 32 3f 53 39 33 3b | 52 31 29 0a 58 4d 38 41 |SM2?S93;|R1).XM8A|
|000063a0| 39 21 38 51 45 25 37 51 | 3d 20 36 31 30 5c 37 41 |9!8QE%7Q|= 610\7A|
|000063b0| 38 5d 3a 52 31 29 3a 32 | 21 24 35 50 54 4d 3a 21 |8]:R1):2|!$5PTM:!|
|000063c0| 50 59 45 34 49 42 4e 46 | 5a 21 4f 37 29 5e 4e 36 |PYE4IBNF|Z!O7)^N6|
|000063d0| 51 53 4e 46 59 51 51 57 | 51 58 0a 58 4d 40 55 36 |QSNFYQQW|QX.XM@U6|
|000063e0| 2d 3f 54 5e 28 3c 23 59 | 56 42 45 3e 2b 3b 53 41 |-?T^(<#Y|VBE>+;SA|
|000063f0| 4b 41 54 51 5d 39 52 41 | 38 37 31 4d 28 35 21 20 |KATQ]9RA|871M(5! |
+--------+-------------------------+-------------------------+--------+--------+
Only 25.0 KB of data is shown above.