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MacOS 8.1
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Win98
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DOS
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This file was processed as: SHell self-extracting ARchive
(archive/shar).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| Newsgroup Content (archive/news)
| magic
| Supported |
| 100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
| 100%
| dexvert
| Internet Message Format (text/imf)
| magic
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| news or mail, 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)
| |
| 100%
| xdgMime
| message/rfc822
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
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|00000020| 61 6e 69 70 75 6c 61 74 | 69 6f 6e 20 6c 69 62 72 |anipulat|ion libr|
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|00000050| 73 6f 75 72 63 65 73 2e | 75 6e 69 78 0a 53 65 6e |sources.|unix.Sen|
|00000060| 64 65 72 3a 20 73 6f 75 | 72 63 65 73 0a 41 70 70 |der: sou|rces.App|
|00000070| 72 6f 76 65 64 3a 20 72 | 73 61 6c 7a 40 75 75 6e |roved: r|salz@uun|
|00000080| 65 74 2e 55 55 2e 4e 45 | 54 0a 0a 53 75 62 6d 69 |et.UU.NE|T..Submi|
|00000090| 74 74 65 64 2d 62 79 3a | 20 4d 69 63 68 61 65 6c |tted-by:| Michael|
|000000a0| 2e 4d 61 75 6c 64 69 6e | 40 4e 4c 2e 43 53 2e 43 |.Mauldin|@NL.CS.C|
|000000b0| 4d 55 2e 45 44 55 0a 50 | 6f 73 74 69 6e 67 2d 6e |MU.EDU.P|osting-n|
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|000003b0| 75 61 6e 74 2e 63 27 20 | 3c 3c 27 45 4e 44 5f 4f |uant.c' |<<'END_O|
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|00000ce0| 09 20 33 32 0a 58 0a 58 | 23 20 64 65 66 69 6e 65 |. 32.X.X|# define|
|00000cf0| 20 47 45 54 52 28 58 29 | 20 28 28 28 58 29 20 26 | GETR(X)| (((X) &|
|00000d00| 20 52 45 44 4d 41 53 4b | 29 20 3e 3e 20 52 45 44 | REDMASK|) >> RED|
|00000d10| 53 48 46 54 29 0a 58 23 | 20 64 65 66 69 6e 65 20 |SHFT).X#| define |
|00000d20| 47 45 54 47 28 58 29 20 | 28 28 28 58 29 20 26 20 |GETG(X) |(((X) & |
|00000d30| 47 52 4e 4d 41 53 4b 29 | 20 3e 3e 20 47 52 4e 53 |GRNMASK)| >> GRNS|
|00000d40| 48 46 54 29 0a 58 23 20 | 64 65 66 69 6e 65 20 47 |HFT).X# |define G|
|00000d50| 45 54 42 28 58 29 20 20 | 28 28 58 29 20 26 20 42 |ETB(X) |((X) & B|
|00000d60| 4c 55 4d 41 53 4b 29 0a | 58 0a 58 23 20 64 65 66 |LUMASK).|X.X# def|
|00000d70| 69 6e 65 20 43 4c 52 49 | 4e 44 45 58 28 52 2c 47 |ine CLRI|NDEX(R,G|
|00000d80| 2c 42 29 09 09 09 5c 0a | 58 09 28 28 28 52 29 20 |,B)...\.|X.(((R) |
|00000d90| 3c 3c 20 52 45 44 53 48 | 46 54 29 20 26 20 52 45 |<< REDSH|FT) & RE|
|00000da0| 44 4d 41 53 4b 20 7c 09 | 09 5c 0a 58 09 20 28 28 |DMASK |.|.\.X. ((|
|00000db0| 47 29 20 3c 3c 20 47 52 | 4e 53 48 46 54 29 20 26 |G) << GR|NSHFT) &|
|00000dc0| 20 47 52 4e 4d 41 53 4b | 20 7c 09 09 5c 0a 58 09 | GRNMASK| |..\.X.|
|00000dd0| 20 28 28 42 29 20 20 26 | 20 42 4c 55 4d 41 53 4b | ((B) &| BLUMASK|
|00000de0| 29 29 0a 58 0a 58 23 20 | 64 65 66 69 6e 65 20 43 |)).X.X# |define C|
|00000df0| 4c 52 49 4e 44 45 58 38 | 28 52 2c 47 2c 42 29 09 |LRINDEX8|(R,G,B).|
|00000e00| 09 09 5c 0a 58 09 28 28 | 28 52 29 20 3c 3c 20 28 |..\.X.((|(R) << (|
|00000e10| 52 45 44 53 48 46 54 2d | 43 55 42 49 47 4e 29 29 |REDSHFT-|CUBIGN))|
|00000e20| 20 26 20 52 45 44 4d 41 | 53 4b 20 7c 09 5c 0a 58 | & REDMA|SK |.\.X|
|00000e30| 09 20 28 28 47 29 20 3c | 3c 20 28 47 52 4e 53 48 |. ((G) <|< (GRNSH|
|00000e40| 46 54 2d 43 55 42 49 47 | 4e 29 29 20 26 20 47 52 |FT-CUBIG|N)) & GR|
|00000e50| 4e 4d 41 53 4b 20 7c 09 | 5c 0a 58 09 20 28 28 42 |NMASK |.|\.X. ((B|
|00000e60| 29 20 3e 3e 20 28 43 55 | 42 49 47 4e 29 29 20 20 |) >> (CU|BIGN)) |
|00000e70| 26 20 42 4c 55 4d 41 53 | 4b 29 0a 58 0a 58 23 20 |& BLUMAS|K).X.X# |
|00000e80| 64 65 66 69 6e 65 20 47 | 45 54 52 38 28 58 29 20 |define G|ETR8(X) |
|00000e90| 28 28 28 58 29 20 26 20 | 52 45 44 4d 41 53 4b 29 |(((X) & |REDMASK)|
|00000ea0| 20 3e 3e 20 28 52 45 44 | 53 48 46 54 2d 43 55 42 | >> (RED|SHFT-CUB|
|00000eb0| 49 47 4e 29 29 0a 58 23 | 20 64 65 66 69 6e 65 20 |IGN)).X#| define |
|00000ec0| 47 45 54 47 38 28 58 29 | 20 28 28 28 58 29 20 26 |GETG8(X)| (((X) &|
|00000ed0| 20 47 52 4e 4d 41 53 4b | 29 20 3e 3e 20 28 47 52 | GRNMASK|) >> (GR|
|00000ee0| 4e 53 48 46 54 2d 43 55 | 42 49 47 4e 29 29 0a 58 |NSHFT-CU|BIGN)).X|
|00000ef0| 23 20 64 65 66 69 6e 65 | 20 47 45 54 42 38 28 58 |# define| GETB8(X|
|00000f00| 29 20 28 28 28 58 29 20 | 26 20 42 4c 55 4d 41 53 |) (((X) |& BLUMAS|
|00000f10| 4b 29 20 3c 3c 20 43 55 | 42 49 47 4e 29 0a 58 0a |K) << CU|BIGN).X.|
|00000f20| 58 74 79 70 65 64 65 66 | 20 73 74 72 75 63 74 20 |Xtypedef| struct |
|00000f30| 63 73 74 72 75 63 74 20 | 7b 0a 58 09 75 6e 73 69 |cstruct |{.X.unsi|
|00000f40| 67 6e 65 64 20 63 68 61 | 72 20 72 64 2c 20 67 72 |gned cha|r rd, gr|
|00000f50| 2c 20 62 6c 2c 20 69 6e | 64 78 3b 0a 58 7d 20 43 |, bl, in|dx;.X} C|
|00000f60| 4f 4c 4f 52 3b 0a 58 0a | 58 43 4f 4c 4f 52 20 2a |OLOR;.X.|XCOLOR *|
|00000f70| 63 6d 61 70 20 3d 20 4e | 55 4c 4c 3b 0a 58 0a 58 |cmap = N|ULL;.X.X|
|00000f80| 74 79 70 65 64 65 66 20 | 73 74 72 75 63 74 20 70 |typedef |struct p|
|00000f90| 69 78 5f 73 74 72 75 63 | 74 20 7b 0a 58 09 73 68 |ix_struc|t {.X.sh|
|00000fa0| 6f 72 74 20 63 6e 74 3b | 0a 58 09 73 68 6f 72 74 |ort cnt;|.X.short|
|00000fb0| 20 63 6f 6c 6f 72 3b 0a | 58 7d 20 50 49 58 45 4c | color;.|X} PIXEL|
|00000fc0| 3b 0a 58 0a 58 69 6e 74 | 20 64 65 62 75 67 3d 30 |;.X.Xint| debug=0|
|00000fd0| 2c 20 76 65 72 62 6f 73 | 65 3d 30 2c 20 63 6f 6c |, verbos|e=0, col|
|00000fe0| 6f 72 73 3d 32 35 36 2c | 20 73 68 6f 77 63 6f 6c |ors=256,| showcol|
|00000ff0| 6f 72 3d 30 2c 20 64 69 | 74 68 65 72 3d 31 3b 0a |or=0, di|ther=1;.|
|00001000| 58 0a 58 2f 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |X.X/****|********|
|00001010| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001020| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001030| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001040| 2a 2a 2a 2a 0a 58 20 2a | 20 6d 61 69 6e 0a 58 20 |****.X *| main.X |
|00001050| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001060| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001070| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001080| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001090| 2f 0a 58 0a 58 23 20 64 | 65 66 69 6e 65 20 55 53 |/.X.X# d|efine US|
|000010a0| 41 47 45 20 22 55 73 61 | 67 65 3a 20 66 62 71 75 |AGE "Usa|ge: fbqu|
|000010b0| 61 6e 74 20 5b 20 2d 63 | 3c 6e 75 6d 63 6f 6c 6f |ant [ -c|<numcolo|
|000010c0| 72 73 3e 20 5d 20 5b 20 | 2d 3c 74 79 70 65 3e 20 |rs> ] [ |-<type> |
|000010d0| 5d 20 3c 20 72 67 62 20 | 3e 20 6d 61 70 70 65 64 |] < rgb |> mapped|
|000010e0| 22 0a 58 0a 58 23 69 66 | 6e 64 65 66 20 6c 69 6e |".X.X#if|ndef lin|
|000010f0| 74 0a 58 73 74 61 74 69 | 63 20 63 68 61 72 20 2a |t.Xstati|c char *|
|00001100| 66 62 6d 69 64 20 3d 20 | 0a 58 09 22 24 46 42 4d |fbmid = |.X."$FBM|
|00001110| 20 66 62 71 75 61 6e 74 | 2e 63 20 3c 30 2e 39 33 | fbquant|.c <0.93|
|00001120| 3e 20 30 37 2d 4d 61 72 | 2d 38 39 20 20 28 43 29 |> 07-Mar|-89 (C)|
|00001130| 20 31 39 38 39 20 62 79 | 20 4d 69 63 68 61 65 6c | 1989 by| Michael|
|00001140| 20 4d 61 75 6c 64 69 6e | 24 22 3b 0a 58 23 65 6e | Mauldin|$";.X#en|
|00001150| 64 69 66 0a 58 0a 58 6d | 61 69 6e 20 28 61 72 67 |dif.X.Xm|ain (arg|
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|00001180| 6e 70 75 74 2c 20 6f 75 | 74 70 75 74 2c 20 6d 61 |nput, ou|tput, ma|
|00001190| 70 69 6d 61 67 65 3b 09 | 2f 2a 20 49 6d 61 67 65 |pimage;.|/* Image|
|000011a0| 73 20 2a 2f 0a 58 20 20 | 69 6e 74 20 68 69 73 74 |s */.X |int hist|
|000011b0| 5b 43 55 42 53 49 5a 5d | 3b 09 09 2f 2a 20 43 6f |[CUBSIZ]|;../* Co|
|000011c0| 6c 6f 72 20 63 75 62 65 | 20 33 32 78 33 32 78 33 |lor cube| 32x32x3|
|000011d0| 32 20 66 6f 72 20 68 69 | 73 74 6f 67 72 61 6d 20 |2 for hi|stogram |
|000011e0| 2a 2f 0a 58 20 20 69 6e | 74 20 6f 75 74 74 79 70 |*/.X in|t outtyp|
|000011f0| 65 20 3d 20 44 45 46 5f | 38 42 49 54 3b 09 2f 2a |e = DEF_|8BIT;./*|
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|00001210| 65 73 69 72 65 64 20 2a | 2f 0a 58 20 20 63 68 61 |esired *|/.X cha|
|00001220| 72 20 2a 6d 61 70 66 69 | 6c 65 20 3d 20 4e 55 4c |r *mapfi|le = NUL|
|00001230| 4c 3b 09 09 2f 2a 20 4e | 61 6d 65 20 6f 66 20 66 |L;../* N|ame of f|
|00001240| 69 6c 65 20 74 6f 20 63 | 6f 70 79 20 6d 61 70 20 |ile to c|opy map |
|00001250| 66 72 6f 6d 20 2a 2f 0a | 58 20 20 72 65 67 69 73 |from */.|X regis|
|00001260| 74 65 72 20 69 6e 74 20 | 63 3b 0a 58 0a 58 20 20 |ter int |c;.X.X |
|00001270| 2f 2a 20 43 6c 65 61 72 | 20 70 6f 69 6e 74 65 72 |/* Clear| pointer|
|00001280| 73 20 2a 2f 0a 58 20 20 | 69 6e 70 75 74 2e 62 6d |s */.X |input.bm|
|00001290| 20 3d 20 69 6e 70 75 74 | 2e 63 6d 20 3d 20 28 75 | = input|.cm = (u|
|000012a0| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 29 20 |nsigned |char *) |
|000012b0| 4e 55 4c 4c 3b 0a 58 20 | 20 6f 75 74 70 75 74 2e |NULL;.X | output.|
|000012c0| 62 6d 20 3d 20 6f 75 74 | 70 75 74 2e 63 6d 20 3d |bm = out|put.cm =|
|000012d0| 20 28 75 6e 73 69 67 6e | 65 64 20 63 68 61 72 20 | (unsign|ed char |
|000012e0| 2a 29 20 4e 55 4c 4c 3b | 0a 58 20 20 6d 61 70 69 |*) NULL;|.X mapi|
|000012f0| 6d 61 67 65 2e 62 6d 20 | 3d 20 6d 61 70 69 6d 61 |mage.bm |= mapima|
|00001300| 67 65 2e 63 6d 20 3d 20 | 28 75 6e 73 69 67 6e 65 |ge.cm = |(unsigne|
|00001310| 64 20 63 68 61 72 20 2a | 29 20 4e 55 4c 4c 3b 0a |d char *|) NULL;.|
|00001320| 58 0a 58 20 20 2f 2a 20 | 47 65 74 20 74 68 65 20 |X.X /* |Get the |
|00001330| 6f 70 74 69 6f 6e 73 20 | 2a 2f 0a 58 20 20 77 68 |options |*/.X wh|
|00001340| 69 6c 65 20 28 2d 2d 61 | 72 67 63 20 3e 20 30 20 |ile (--a|rgc > 0 |
|00001350| 26 26 20 28 2a 2b 2b 61 | 72 67 76 29 5b 30 5d 20 |&& (*++a|rgv)[0] |
|00001360| 3d 3d 20 27 2d 27 29 0a | 58 20 20 7b 20 77 68 69 |== '-').|X { whi|
|00001370| 6c 65 20 28 2a 2b 2b 28 | 2a 61 72 67 76 29 29 0a |le (*++(|*argv)).|
|00001380| 58 20 20 20 20 7b 20 73 | 77 69 74 63 68 20 28 2a |X { s|witch (*|
|00001390| 2a 61 72 67 76 29 0a 58 | 20 20 20 20 20 20 7b 20 |*argv).X| { |
|000013a0| 63 61 73 65 20 27 63 27 | 3a 09 63 6f 6c 6f 72 73 |case 'c'|:.colors|
|000013b0| 20 3d 20 61 74 6f 69 20 | 28 2a 61 72 67 76 2b 31 | = atoi |(*argv+1|
|000013c0| 29 3b 20 53 4b 49 50 41 | 52 47 3b 20 62 72 65 61 |); SKIPA|RG; brea|
|000013d0| 6b 3b 0a 58 20 20 20 20 | 20 20 20 20 63 61 73 65 |k;.X | case|
|000013e0| 20 27 6d 27 3a 09 6d 61 | 70 66 69 6c 65 20 3d 20 | 'm':.ma|pfile = |
|000013f0| 2a 61 72 67 76 2b 31 3b | 20 53 4b 49 50 41 52 47 |*argv+1;| SKIPARG|
|00001400| 3b 20 62 72 65 61 6b 3b | 0a 58 09 63 61 73 65 20 |; break;|.X.case |
|00001410| 27 6e 27 3a 09 64 69 74 | 68 65 72 20 3d 20 30 3b |'n':.dit|her = 0;|
|00001420| 0a 58 09 63 61 73 65 20 | 27 64 27 3a 09 64 65 62 |.X.case |'d':.deb|
|00001430| 75 67 2b 2b 3b 20 62 72 | 65 61 6b 3b 0a 58 09 63 |ug++; br|eak;.X.c|
|00001440| 61 73 65 20 27 44 27 3a | 09 73 68 6f 77 63 6f 6c |ase 'D':|.showcol|
|00001450| 6f 72 2b 2b 3b 20 62 72 | 65 61 6b 3b 0a 58 09 63 |or++; br|eak;.X.c|
|00001460| 61 73 65 20 27 76 27 3a | 09 76 65 72 62 6f 73 65 |ase 'v':|.verbose|
|00001470| 2b 2b 3b 20 62 72 65 61 | 6b 3b 0a 58 09 63 61 73 |++; brea|k;.X.cas|
|00001480| 65 20 27 41 27 3a 09 6f | 75 74 74 79 70 65 20 3d |e 'A':.o|uttype =|
|00001490| 20 46 4d 54 5f 41 54 4b | 3b 20 62 72 65 61 6b 3b | FMT_ATK|; break;|
|000014a0| 0a 58 09 63 61 73 65 20 | 27 42 27 3a 09 6f 75 74 |.X.case |'B':.out|
|000014b0| 74 79 70 65 20 3d 20 46 | 4d 54 5f 46 41 43 45 3b |type = F|MT_FACE;|
|000014c0| 20 62 72 65 61 6b 3b 0a | 58 09 63 61 73 65 20 27 | break;.|X.case '|
|000014d0| 46 27 3a 09 6f 75 74 74 | 79 70 65 20 3d 20 46 4d |F':.outt|ype = FM|
|000014e0| 54 5f 46 42 4d 3b 20 62 | 72 65 61 6b 3b 0a 58 09 |T_FBM; b|reak;.X.|
|000014f0| 63 61 73 65 20 27 47 27 | 3a 09 6f 75 74 74 79 70 |case 'G'|:.outtyp|
|00001500| 65 20 3d 20 46 4d 54 5f | 47 49 46 3b 20 62 72 65 |e = FMT_|GIF; bre|
|00001510| 61 6b 3b 0a 58 09 63 61 | 73 65 20 27 49 27 3a 09 |ak;.X.ca|se 'I':.|
|00001520| 6f 75 74 74 79 70 65 20 | 3d 20 46 4d 54 5f 49 46 |outtype |= FMT_IF|
|00001530| 46 3b 20 62 72 65 61 6b | 3b 0a 58 09 63 61 73 65 |F; break|;.X.case|
|00001540| 20 27 4c 27 3a 09 6f 75 | 74 74 79 70 65 20 3d 20 | 'L':.ou|ttype = |
|00001550| 46 4d 54 5f 4c 45 41 46 | 3b 20 62 72 65 61 6b 3b |FMT_LEAF|; break;|
|00001560| 0a 58 09 63 61 73 65 20 | 27 4d 27 3a 09 6f 75 74 |.X.case |'M':.out|
|00001570| 74 79 70 65 20 3d 20 46 | 4d 54 5f 4d 43 50 3b 20 |type = F|MT_MCP; |
|00001580| 62 72 65 61 6b 3b 0a 58 | 09 63 61 73 65 20 27 50 |break;.X|.case 'P|
|00001590| 27 3a 09 6f 75 74 74 79 | 70 65 20 3d 20 46 4d 54 |':.outty|pe = FMT|
|000015a0| 5f 50 42 4d 3b 20 62 72 | 65 61 6b 3b 0a 58 09 63 |_PBM; br|eak;.X.c|
|000015b0| 61 73 65 20 27 53 27 3a | 09 6f 75 74 74 79 70 65 |ase 'S':|.outtype|
|000015c0| 20 3d 20 46 4d 54 5f 53 | 55 4e 3b 20 62 72 65 61 | = FMT_S|UN; brea|
|000015d0| 6b 3b 0a 58 09 63 61 73 | 65 20 27 54 27 3a 09 6f |k;.X.cas|e 'T':.o|
|000015e0| 75 74 74 79 70 65 20 3d | 20 46 4d 54 5f 54 49 46 |uttype =| FMT_TIF|
|000015f0| 46 3b 20 62 72 65 61 6b | 3b 0a 58 09 63 61 73 65 |F; break|;.X.case|
|00001600| 20 27 58 27 3a 09 6f 75 | 74 74 79 70 65 20 3d 20 | 'X':.ou|ttype = |
|00001610| 46 4d 54 5f 58 31 31 3b | 20 62 72 65 61 6b 3b 0a |FMT_X11;| break;.|
|00001620| 58 09 63 61 73 65 20 27 | 5a 27 3a 09 6f 75 74 74 |X.case '|Z':.outt|
|00001630| 79 70 65 20 3d 20 46 4d | 54 5f 50 43 58 3b 20 62 |ype = FM|T_PCX; b|
|00001640| 72 65 61 6b 3b 0a 58 09 | 64 65 66 61 75 6c 74 3a |reak;.X.|default:|
|00001650| 09 66 70 72 69 6e 74 66 | 20 28 73 74 64 65 72 72 |.fprintf| (stderr|
|00001660| 2c 20 22 25 73 5c 6e 22 | 2c 20 55 53 41 47 45 29 |, "%s\n"|, USAGE)|
|00001670| 3b 0a 58 09 09 09 65 78 | 69 74 20 28 31 29 3b 0a |;.X...ex|it (1);.|
|00001680| 58 20 20 20 20 20 20 7d | 0a 58 20 20 20 20 7d 0a |X }|.X }.|
|00001690| 58 20 20 7d 0a 58 20 20 | 0a 58 20 20 2f 2a 20 43 |X }.X |.X /* C|
|000016a0| 68 65 63 6b 20 61 72 67 | 75 6d 65 6e 74 73 20 2a |heck arg|uments *|
|000016b0| 2f 0a 58 20 20 69 66 20 | 28 63 6f 6c 6f 72 73 20 |/.X if |(colors |
|000016c0| 3e 20 32 35 36 20 7c 7c | 20 63 6f 6c 6f 72 73 20 |> 256 ||| colors |
|000016d0| 3c 20 38 29 0a 58 20 20 | 7b 20 66 70 72 69 6e 74 |< 8).X |{ fprint|
|000016e0| 66 20 28 73 74 64 65 72 | 72 2c 20 22 66 62 71 75 |f (stder|r, "fbqu|
|000016f0| 61 6e 74 20 63 61 6e 20 | 6f 6e 6c 79 20 68 61 6e |ant can |only han|
|00001700| 64 6c 65 20 38 2e 2e 32 | 35 36 20 63 6f 6c 6f 72 |dle 8..2|56 color|
|00001710| 73 5c 6e 22 29 3b 0a 58 | 20 20 20 20 65 78 69 74 |s\n");.X| exit|
|00001720| 20 28 31 29 3b 0a 58 20 | 20 7d 0a 58 0a 58 20 20 | (1);.X | }.X.X |
|00001730| 2f 2a 20 4f 70 65 6e 20 | 66 69 6c 65 20 69 66 20 |/* Open |file if |
|00001740| 6e 61 6d 65 20 67 69 76 | 65 6e 20 61 73 20 61 72 |name giv|en as ar|
|00001750| 67 75 6d 65 6e 74 20 2a | 2f 0a 58 20 20 69 66 20 |gument *|/.X if |
|00001760| 28 21 20 72 65 61 64 5f | 62 69 74 6d 61 70 20 28 |(! read_|bitmap (|
|00001770| 26 69 6e 70 75 74 2c 20 | 28 61 72 67 63 20 3e 20 |&input, |(argc > |
|00001780| 30 29 20 3f 20 61 72 67 | 76 5b 30 5d 20 3a 20 28 |0) ? arg|v[0] : (|
|00001790| 63 68 61 72 20 2a 29 20 | 4e 55 4c 4c 29 29 0a 58 |char *) |NULL)).X|
|000017a0| 20 20 7b 20 65 78 69 74 | 20 28 31 29 3b 20 7d 0a | { exit| (1); }.|
|000017b0| 58 0a 58 20 20 2f 2a 20 | 52 65 61 64 20 63 6f 6c |X.X /* |Read col|
|000017c0| 6f 72 6d 61 70 20 66 72 | 6f 6d 20 6d 61 70 20 69 |ormap fr|om map i|
|000017d0| 6d 61 67 65 20 28 69 66 | 20 73 70 65 63 69 66 69 |mage (if| specifi|
|000017e0| 65 64 29 20 2a 2f 0a 58 | 20 20 69 66 20 28 6d 61 |ed) */.X| if (ma|
|000017f0| 70 66 69 6c 65 20 21 3d | 20 4e 55 4c 4c 29 0a 58 |pfile !=| NULL).X|
|00001800| 20 20 7b 20 69 66 20 28 | 21 72 65 61 64 5f 62 69 | { if (|!read_bi|
|00001810| 74 6d 61 70 20 28 26 6d | 61 70 69 6d 61 67 65 2c |tmap (&m|apimage,|
|00001820| 20 6d 61 70 66 69 6c 65 | 29 29 0a 58 20 20 20 20 | mapfile|)).X |
|00001830| 7b 20 70 65 72 72 6f 72 | 20 28 6d 61 70 66 69 6c |{ perror| (mapfil|
|00001840| 65 29 3b 20 65 78 69 74 | 20 28 31 29 3b 20 7d 0a |e); exit| (1); }.|
|00001850| 58 20 20 20 20 0a 58 20 | 20 20 20 69 66 20 28 6d |X .X | if (m|
|00001860| 61 70 69 6d 61 67 65 2e | 68 64 72 2e 63 6c 72 6c |apimage.|hdr.clrl|
|00001870| 65 6e 20 3d 3d 20 30 29 | 0a 58 20 20 20 20 7b 20 |en == 0)|.X { |
|00001880| 66 70 72 69 6e 74 66 20 | 28 73 74 64 65 72 72 2c |fprintf |(stderr,|
|00001890| 20 22 66 62 71 75 61 6e | 74 3a 20 25 73 3a 20 6e | "fbquan|t: %s: n|
|000018a0| 6f 20 6d 61 70 5c 6e 22 | 2c 20 6d 61 70 66 69 6c |o map\n"|, mapfil|
|000018b0| 65 29 3b 20 65 78 69 74 | 20 28 31 29 3b 20 7d 0a |e); exit| (1); }.|
|000018c0| 58 20 20 20 20 0a 58 20 | 20 20 20 2f 2a 20 44 6f |X .X | /* Do|
|000018d0| 6e 74 20 63 61 72 65 20 | 61 62 6f 75 74 20 74 68 |nt care |about th|
|000018e0| 65 20 6d 61 70 20 69 6d | 61 67 65 2c 20 6a 75 73 |e map im|age, jus|
|000018f0| 74 20 69 74 73 20 63 6f | 6c 6f 72 6d 61 70 20 2a |t its co|lormap *|
|00001900| 2f 0a 58 20 20 20 20 66 | 72 65 65 20 28 6d 61 70 |/.X f|ree (map|
|00001910| 69 6d 61 67 65 2e 62 6d | 29 3b 20 6d 61 70 69 6d |image.bm|); mapim|
|00001920| 61 67 65 2e 62 6d 20 3d | 20 4e 55 4c 4c 3b 0a 58 |age.bm =| NULL;.X|
|00001930| 20 20 20 20 0a 58 20 20 | 20 20 63 6f 6c 6f 72 73 | .X | colors|
|00001940| 20 3d 20 6d 61 70 69 6d | 61 67 65 2e 68 64 72 2e | = mapim|age.hdr.|
|00001950| 63 6c 72 6c 65 6e 20 2f | 20 33 3b 0a 58 20 20 20 |clrlen /| 3;.X |
|00001960| 20 63 6d 61 70 20 3d 20 | 28 43 4f 4c 4f 52 20 2a | cmap = |(COLOR *|
|00001970| 29 20 6d 61 6c 6c 6f 63 | 20 28 28 75 6e 73 69 67 |) malloc| ((unsig|
|00001980| 6e 65 64 29 20 63 6f 6c | 6f 72 73 20 2a 20 73 69 |ned) col|ors * si|
|00001990| 7a 65 6f 66 20 28 43 4f | 4c 4f 52 29 29 3b 0a 58 |zeof (CO|LOR));.X|
|000019a0| 20 20 20 20 0a 58 20 20 | 20 20 66 6f 72 20 28 63 | .X | for (c|
|000019b0| 3d 30 3b 20 63 3c 63 6f | 6c 6f 72 73 3b 20 63 2b |=0; c<co|lors; c+|
|000019c0| 2b 29 0a 58 20 20 20 20 | 7b 20 63 6d 61 70 5b 63 |+).X |{ cmap[c|
|000019d0| 5d 2e 72 64 20 3d 20 6d | 61 70 69 6d 61 67 65 2e |].rd = m|apimage.|
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|00002aa0| 2c 20 63 6d 61 70 29 0a | 58 50 49 58 45 4c 20 2a |, cmap).|XPIXEL *|
|00002ab0| 62 6f 78 3b 0a 58 69 6e | 74 20 62 6f 78 6c 65 6e |box;.Xin|t boxlen|
|00002ac0| 2c 20 63 6c 72 2c 20 6e | 75 6d 63 6c 72 3b 0a 58 |, clr, n|umclr;.X|
|00002ad0| 43 4f 4c 4f 52 20 2a 63 | 6d 61 70 3b 0a 58 7b 20 |COLOR *c|map;.X{ |
|00002ae0| 69 6e 74 20 6d 61 78 76 | 5b 33 5d 2c 20 6d 69 6e |int maxv|[3], min|
|00002af0| 76 5b 33 5d 2c 20 6e 75 | 6d 76 5b 33 5d 3b 0a 58 |v[3], nu|mv[3];.X|
|00002b00| 20 20 69 6e 74 20 70 63 | 6e 74 5b 33 5d 5b 43 55 | int pc|nt[3][CU|
|00002b10| 42 53 49 44 5d 3b 0a 58 | 20 20 69 6e 74 20 73 62 |BSID];.X| int sb|
|00002b20| 6f 78 2c 20 73 6e 75 6d | 2c 20 73 70 6c 69 74 2c |ox, snum|, split,|
|00002b30| 20 68 61 6c 66 2c 20 6d | 61 78 64 69 66 2c 20 64 | half, m|axdif, d|
|00002b40| 69 66 3b 0a 58 20 20 72 | 65 67 69 73 74 65 72 20 |if;.X r|egister |
|00002b50| 50 49 58 45 4c 20 2a 74 | 6f 70 2c 20 2a 62 6f 74 |PIXEL *t|op, *bot|
|00002b60| 3b 0a 58 20 20 69 6e 74 | 20 74 6f 70 77 2c 20 62 |;.X int| topw, b|
|00002b70| 6f 74 77 3b 0a 58 20 20 | 69 6e 74 20 72 65 64 2c |otw;.X |int red,|
|00002b80| 20 67 72 6e 2c 20 62 6c | 75 3b 0a 58 20 20 72 65 | grn, bl|u;.X re|
|00002b90| 67 69 73 74 65 72 20 69 | 6e 74 20 69 2c 20 63 3b |gister i|nt i, c;|
|00002ba0| 0a 58 0a 58 20 20 2f 2a | 20 49 66 20 6e 75 6d 63 |.X.X /*| If numc|
|00002bb0| 6c 72 20 65 78 63 65 65 | 64 73 20 62 6f 78 6c 65 |lr excee|ds boxle|
|00002bc0| 6e 2c 20 77 65 20 61 72 | 65 20 69 6e 20 74 72 6f |n, we ar|e in tro|
|00002bd0| 75 62 6c 65 20 2a 2f 0a | 58 20 20 69 66 20 28 6e |uble */.|X if (n|
|00002be0| 75 6d 63 6c 72 20 3e 20 | 62 6f 78 6c 65 6e 29 0a |umclr > |boxlen).|
|00002bf0| 58 20 20 7b 20 66 70 72 | 69 6e 74 66 20 28 73 74 |X { fpr|intf (st|
|00002c00| 64 65 72 72 2c 20 22 62 | 6f 78 6c 65 6e 20 25 64 |derr, "b|oxlen %d|
|00002c10| 20 69 73 20 6c 65 73 73 | 20 6e 75 6d 63 6c 72 20 | is less| numclr |
|00002c20| 25 64 2c 20 70 61 6e 69 | 63 21 5c 6e 20 74 68 61 |%d, pani|c!\n tha|
|00002c30| 6e 22 2c 0a 58 09 20 20 | 20 20 20 62 6f 78 6c 65 |n",.X. | boxle|
|00002c40| 6e 2c 20 6e 75 6d 63 6c | 72 29 3b 0a 58 20 20 20 |n, numcl|r);.X |
|00002c50| 20 66 66 6c 75 73 68 20 | 28 73 74 64 65 72 72 29 | fflush |(stderr)|
|00002c60| 3b 0a 58 20 20 20 20 61 | 62 6f 72 74 20 28 29 3b |;.X a|bort ();|
|00002c70| 0a 58 20 20 7d 0a 58 0a | 58 20 20 2f 2a 20 42 61 |.X }.X.|X /* Ba|
|00002c80| 73 65 20 63 61 73 65 3a | 20 6f 6e 6c 79 20 6f 6e |se case:| only on|
|00002c90| 65 20 63 6f 6c 6f 72 2c | 20 61 73 73 69 67 6e 20 |e color,| assign |
|00002ca0| 74 68 65 20 61 76 65 72 | 61 67 65 20 66 6f 72 20 |the aver|age for |
|00002cb0| 74 68 69 73 20 63 65 6c | 6c 20 2a 2f 0a 58 20 20 |this cel|l */.X |
|00002cc0| 69 66 20 28 6e 75 6d 63 | 6c 72 20 3c 3d 20 31 29 |if (numc|lr <= 1)|
|00002cd0| 0a 58 20 20 7b 20 72 65 | 64 20 3d 20 62 6f 78 5f |.X { re|d = box_|
|00002ce0| 61 76 67 5f 72 65 64 20 | 28 62 6f 78 2c 20 62 6f |avg_red |(box, bo|
|00002cf0| 78 6c 65 6e 29 3b 0a 58 | 20 20 20 20 67 72 6e 20 |xlen);.X| grn |
|00002d00| 3d 20 62 6f 78 5f 61 76 | 67 5f 67 72 6e 20 28 62 |= box_av|g_grn (b|
|00002d10| 6f 78 2c 20 62 6f 78 6c | 65 6e 29 3b 0a 58 20 20 |ox, boxl|en);.X |
|00002d20| 20 20 62 6c 75 20 3d 20 | 62 6f 78 5f 61 76 67 5f | blu = |box_avg_|
|00002d30| 62 6c 75 20 28 62 6f 78 | 2c 20 62 6f 78 6c 65 6e |blu (box|, boxlen|
|00002d40| 29 3b 0a 58 20 20 20 20 | 0a 58 20 20 20 20 2f 2a |);.X |.X /*|
|00002d50| 20 4d 61 70 20 78 20 74 | 6f 20 78 2b 34 2c 20 62 | Map x t|o x+4, b|
|00002d60| 65 63 61 75 73 65 20 74 | 68 65 20 68 69 73 74 6f |ecause t|he histo|
|00002d70| 67 72 61 6d 20 6d 61 70 | 73 20 76 61 6c 75 65 73 |gram map|s values|
|00002d80| 20 74 6f 20 6d 75 6c 74 | 69 70 6c 65 73 20 6f 66 | to mult|iples of|
|00002d90| 20 38 20 2a 2f 0a 58 20 | 20 20 20 63 6d 61 70 5b | 8 */.X | cmap[|
|00002da0| 63 6c 72 5d 2e 72 64 20 | 3d 20 72 65 64 20 2b 20 |clr].rd |= red + |
|00002db0| 34 3b 0a 58 20 20 20 20 | 63 6d 61 70 5b 63 6c 72 |4;.X |cmap[clr|
|00002dc0| 5d 2e 67 72 20 3d 20 67 | 72 6e 20 2b 20 34 3b 0a |].gr = g|rn + 4;.|
|00002dd0| 58 20 20 20 20 63 6d 61 | 70 5b 63 6c 72 5d 2e 62 |X cma|p[clr].b|
|00002de0| 6c 20 3d 20 62 6c 75 20 | 2b 20 34 3b 0a 58 20 20 |l = blu |+ 4;.X |
|00002df0| 20 20 0a 58 20 20 20 20 | 69 66 20 28 64 65 62 75 | .X |if (debu|
|00002e00| 67 29 0a 58 20 20 20 20 | 7b 20 66 70 72 69 6e 74 |g).X |{ fprint|
|00002e10| 66 20 28 73 74 64 65 72 | 72 2c 20 22 5c 74 5c 74 |f (stder|r, "\t\t|
|00002e20| 61 73 73 69 67 6e 69 6e | 67 20 63 6f 6c 6f 72 20 |assignin|g color |
|00002e30| 25 64 20 20 3c 25 64 2c | 25 64 2c 25 64 3e 20 20 |%d <%d,|%d,%d> |
|00002e40| 28 25 64 29 5c 6e 22 2c | 0a 58 09 20 20 20 20 20 |(%d)\n",|.X. |
|00002e50| 20 20 63 6c 72 2c 20 63 | 6d 61 70 5b 63 6c 72 5d | clr, c|map[clr]|
|00002e60| 2e 72 64 2c 20 63 6d 61 | 70 5b 63 6c 72 5d 2e 67 |.rd, cma|p[clr].g|
|00002e70| 72 2c 20 63 6d 61 70 5b | 63 6c 72 5d 2e 62 6c 2c |r, cmap[|clr].bl,|
|00002e80| 0a 58 09 20 20 20 20 20 | 20 20 62 6f 78 5f 77 65 |.X. | box_we|
|00002e90| 69 67 68 74 20 28 62 6f | 78 2c 20 62 6f 78 6c 65 |ight (bo|x, boxle|
|00002ea0| 6e 29 29 3b 0a 58 20 20 | 20 20 7d 0a 58 20 20 20 |n));.X | }.X |
|00002eb0| 20 0a 58 20 20 20 20 72 | 65 74 75 72 6e 3b 0a 58 | .X r|eturn;.X|
|00002ec0| 20 20 7d 0a 58 0a 58 20 | 20 2f 2a 20 47 61 74 68 | }.X.X | /* Gath|
|00002ed0| 65 72 20 73 74 61 74 69 | 73 74 69 63 73 20 61 62 |er stati|stics ab|
|00002ee0| 6f 75 74 20 74 68 65 20 | 62 6f 78 65 73 20 63 6f |out the |boxes co|
|00002ef0| 6e 74 65 6e 74 73 20 2a | 2f 0a 58 20 20 6d 69 6e |ntents *|/.X min|
|00002f00| 76 5b 52 44 5d 20 3d 20 | 6d 69 6e 76 5b 47 52 5d |v[RD] = |minv[GR]|
|00002f10| 20 3d 20 6d 69 6e 76 5b | 42 4c 5d 20 3d 20 43 55 | = minv[|BL] = CU|
|00002f20| 42 53 49 44 3b 0a 58 20 | 20 6d 61 78 76 5b 52 44 |BSID;.X | maxv[RD|
|00002f30| 5d 20 3d 20 6d 61 78 76 | 5b 47 52 5d 20 3d 20 6d |] = maxv|[GR] = m|
|00002f40| 61 78 76 5b 42 4c 5d 20 | 3d 20 30 3b 0a 58 20 20 |axv[BL] |= 0;.X |
|00002f50| 6e 75 6d 76 5b 52 44 5d | 20 3d 20 6e 75 6d 76 5b |numv[RD]| = numv[|
|00002f60| 47 52 5d 20 3d 20 6e 75 | 6d 76 5b 42 4c 5d 20 3d |GR] = nu|mv[BL] =|
|00002f70| 20 30 3b 0a 58 20 20 66 | 6f 72 20 28 69 3d 30 3b | 0;.X f|or (i=0;|
|00002f80| 20 69 3c 43 55 42 53 49 | 44 3b 20 69 2b 2b 29 20 | i<CUBSI|D; i++) |
|00002f90| 7b 20 70 63 6e 74 5b 52 | 44 5d 5b 69 5d 20 3d 20 |{ pcnt[R|D][i] = |
|00002fa0| 70 63 6e 74 5b 47 52 5d | 5b 69 5d 20 3d 20 70 63 |pcnt[GR]|[i] = pc|
|00002fb0| 6e 74 5b 42 4c 5d 5b 69 | 5d 20 3d 20 30 3b 20 7d |nt[BL][i|] = 0; }|
|00002fc0| 0a 58 20 20 0a 58 20 20 | 66 6f 72 20 28 69 3d 30 |.X .X |for (i=0|
|00002fd0| 3b 20 69 3c 62 6f 78 6c | 65 6e 3b 20 69 2b 2b 29 |; i<boxl|en; i++)|
|00002fe0| 0a 58 20 20 7b 20 63 20 | 3d 20 62 6f 78 5b 69 5d |.X { c |= box[i]|
|00002ff0| 2e 63 6f 6c 6f 72 3b 0a | 58 20 20 20 20 72 65 64 |.color;.|X red|
|00003000| 20 3d 20 47 45 54 52 28 | 63 29 3b 20 67 72 6e 20 | = GETR(|c); grn |
|00003010| 3d 20 47 45 54 47 28 63 | 29 3b 20 62 6c 75 20 3d |= GETG(c|); blu =|
|00003020| 20 47 45 54 42 28 63 29 | 3b 0a 58 20 20 20 20 0a | GETB(c)|;.X .|
|00003030| 58 20 20 20 20 69 66 20 | 28 72 65 64 20 3c 20 6d |X if |(red < m|
|00003040| 69 6e 76 5b 52 44 5d 29 | 20 6d 69 6e 76 5b 52 44 |inv[RD])| minv[RD|
|00003050| 5d 20 3d 20 72 65 64 3b | 0a 58 20 20 20 20 69 66 |] = red;|.X if|
|00003060| 20 28 72 65 64 20 3e 20 | 6d 61 78 76 5b 52 44 5d | (red > |maxv[RD]|
|00003070| 29 20 6d 61 78 76 5b 52 | 44 5d 20 3d 20 72 65 64 |) maxv[R|D] = red|
|00003080| 3b 0a 58 20 20 20 20 69 | 66 20 28 67 72 6e 20 3c |;.X i|f (grn <|
|00003090| 20 6d 69 6e 76 5b 47 52 | 5d 29 20 6d 69 6e 76 5b | minv[GR|]) minv[|
|000030a0| 47 52 5d 20 3d 20 67 72 | 6e 3b 0a 58 20 20 20 20 |GR] = gr|n;.X |
|000030b0| 69 66 20 28 67 72 6e 20 | 3e 20 6d 61 78 76 5b 47 |if (grn |> maxv[G|
|000030c0| 52 5d 29 20 6d 61 78 76 | 5b 47 52 5d 20 3d 20 67 |R]) maxv|[GR] = g|
|000030d0| 72 6e 3b 0a 58 20 20 20 | 20 69 66 20 28 62 6c 75 |rn;.X | if (blu|
|000030e0| 20 3c 20 6d 69 6e 76 5b | 42 4c 5d 29 20 6d 69 6e | < minv[|BL]) min|
|000030f0| 76 5b 42 4c 5d 20 3d 20 | 62 6c 75 3b 0a 58 20 20 |v[BL] = |blu;.X |
|00003100| 20 20 69 66 20 28 62 6c | 75 20 3e 20 6d 61 78 76 | if (bl|u > maxv|
|00003110| 5b 42 4c 5d 29 20 6d 61 | 78 76 5b 42 4c 5d 20 3d |[BL]) ma|xv[BL] =|
|00003120| 20 62 6c 75 3b 0a 58 20 | 20 20 20 0a 58 20 20 20 | blu;.X | .X |
|00003130| 20 69 66 20 28 2b 2b 70 | 63 6e 74 5b 52 44 5d 5b | if (++p|cnt[RD][|
|00003140| 72 65 64 5d 20 3d 3d 20 | 31 29 20 6e 75 6d 76 5b |red] == |1) numv[|
|00003150| 52 44 5d 2b 2b 3b 0a 58 | 20 20 20 20 69 66 20 28 |RD]++;.X| if (|
|00003160| 2b 2b 70 63 6e 74 5b 47 | 52 5d 5b 67 72 6e 5d 20 |++pcnt[G|R][grn] |
|00003170| 3d 3d 20 31 29 20 6e 75 | 6d 76 5b 47 52 5d 2b 2b |== 1) nu|mv[GR]++|
|00003180| 3b 0a 58 20 20 20 20 69 | 66 20 28 2b 2b 70 63 6e |;.X i|f (++pcn|
|00003190| 74 5b 42 4c 5d 5b 62 6c | 75 5d 20 3d 3d 20 31 29 |t[BL][bl|u] == 1)|
|000031a0| 20 6e 75 6d 76 5b 42 4c | 5d 2b 2b 3b 0a 58 20 20 | numv[BL|]++;.X |
|000031b0| 7d 0a 58 0a 58 20 20 2f | 2a 20 53 70 65 63 69 61 |}.X.X /|* Specia|
|000031c0| 6c 20 63 61 73 65 2c 20 | 62 6f 78 6c 65 6e 20 3d |l case, |boxlen =|
|000031d0| 20 6e 75 6d 63 6c 72 2c | 20 6a 75 73 74 20 61 73 | numclr,| just as|
|000031e0| 73 69 67 6e 20 65 61 63 | 68 20 62 6f 78 20 6f 6e |sign eac|h box on|
|000031f0| 65 20 63 6f 6c 6f 72 20 | 2a 2f 0a 58 20 20 69 66 |e color |*/.X if|
|00003200| 20 28 62 6f 78 6c 65 6e | 20 3d 3d 20 6e 75 6d 63 | (boxlen| == numc|
|00003210| 6c 72 29 0a 58 20 20 7b | 20 66 6f 72 20 28 69 3d |lr).X {| for (i=|
|00003220| 30 3b 20 69 3c 62 6f 78 | 6c 65 6e 3b 20 69 2b 2b |0; i<box|len; i++|
|00003230| 29 0a 58 20 20 20 20 7b | 20 73 70 6c 69 74 5f 62 |).X {| split_b|
|00003240| 6f 78 20 28 62 6f 78 2b | 69 2c 20 31 2c 20 63 6c |ox (box+|i, 1, cl|
|00003250| 72 2b 69 2c 20 31 2c 20 | 63 6d 61 70 29 3b 20 7d |r+i, 1, |cmap); }|
|00003260| 0a 58 20 20 20 20 72 65 | 74 75 72 6e 3b 0a 58 20 |.X re|turn;.X |
|00003270| 20 7d 0a 58 0a 58 20 20 | 2f 2a 20 50 69 63 6b 20 | }.X.X |/* Pick |
|00003280| 61 20 64 69 6d 65 6e 73 | 69 6f 6e 20 74 6f 20 73 |a dimens|ion to s|
|00003290| 70 6c 69 74 20 2a 2f 0a | 58 20 20 73 70 6c 69 74 |plit */.|X split|
|000032a0| 20 3d 20 2d 31 3b 20 6d | 61 78 64 69 66 20 3d 20 | = -1; m|axdif = |
|000032b0| 2d 31 3b 0a 58 0a 58 20 | 20 69 66 20 28 28 64 69 |-1;.X.X | if ((di|
|000032c0| 66 20 3d 20 28 6d 61 78 | 76 5b 52 44 5d 20 2d 20 |f = (max|v[RD] - |
|000032d0| 6d 69 6e 76 5b 52 44 5d | 29 29 20 3e 20 6d 61 78 |minv[RD]|)) > max|
|000032e0| 64 69 66 29 20 7b 20 6d | 61 78 64 69 66 20 3d 20 |dif) { m|axdif = |
|000032f0| 64 69 66 3b 20 73 70 6c | 69 74 20 3d 20 52 44 3b |dif; spl|it = RD;|
|00003300| 20 7d 0a 58 20 20 69 66 | 20 28 28 64 69 66 20 3d | }.X if| ((dif =|
|00003310| 20 28 6d 61 78 76 5b 47 | 52 5d 20 2d 20 6d 69 6e | (maxv[G|R] - min|
|00003320| 76 5b 47 52 5d 29 29 20 | 3e 20 6d 61 78 64 69 66 |v[GR])) |> maxdif|
|00003330| 29 20 7b 20 6d 61 78 64 | 69 66 20 3d 20 64 69 66 |) { maxd|if = dif|
|00003340| 3b 20 73 70 6c 69 74 20 | 3d 20 47 52 3b 20 7d 0a |; split |= GR; }.|
|00003350| 58 20 20 69 66 20 28 28 | 64 69 66 20 3d 20 28 6d |X if ((|dif = (m|
|00003360| 61 78 76 5b 42 4c 5d 20 | 2d 20 6d 69 6e 76 5b 42 |axv[BL] |- minv[B|
|00003370| 4c 5d 29 29 20 3e 20 6d | 61 78 64 69 66 29 20 7b |L])) > m|axdif) {|
|00003380| 20 6d 61 78 64 69 66 20 | 3d 20 64 69 66 3b 20 73 | maxdif |= dif; s|
|00003390| 70 6c 69 74 20 3d 20 42 | 4c 3b 20 7d 0a 58 20 20 |plit = B|L; }.X |
|000033a0| 0a 58 20 20 2f 2a 20 53 | 6f 72 74 20 61 6c 6f 6e |.X /* S|ort alon|
|000033b0| 67 20 74 68 65 20 63 68 | 6f 73 65 6e 20 64 69 6d |g the ch|osen dim|
|000033c0| 65 6e 73 69 6f 6e 20 2a | 2f 0a 58 20 20 73 77 69 |ension *|/.X swi|
|000033d0| 74 63 68 20 28 73 70 6c | 69 74 29 0a 58 20 20 7b |tch (spl|it).X {|
|000033e0| 20 63 61 73 65 20 52 44 | 3a 09 71 73 6f 72 74 20 | case RD|:.qsort |
|000033f0| 28 62 6f 78 2c 20 62 6f | 78 6c 65 6e 2c 20 73 69 |(box, bo|xlen, si|
|00003400| 7a 65 6f 66 20 28 2a 62 | 6f 78 29 2c 20 63 6d 70 |zeof (*b|ox), cmp|
|00003410| 5f 72 65 64 29 3b 20 62 | 72 65 61 6b 3b 0a 58 20 |_red); b|reak;.X |
|00003420| 20 20 20 63 61 73 65 20 | 47 52 3a 09 71 73 6f 72 | case |GR:.qsor|
|00003430| 74 20 28 62 6f 78 2c 20 | 62 6f 78 6c 65 6e 2c 20 |t (box, |boxlen, |
|00003440| 73 69 7a 65 6f 66 20 28 | 2a 62 6f 78 29 2c 20 63 |sizeof (|*box), c|
|00003450| 6d 70 5f 67 72 6e 29 3b | 20 62 72 65 61 6b 3b 0a |mp_grn);| break;.|
|00003460| 58 20 20 20 20 63 61 73 | 65 20 42 4c 3a 09 71 73 |X cas|e BL:.qs|
|00003470| 6f 72 74 20 28 62 6f 78 | 2c 20 62 6f 78 6c 65 6e |ort (box|, boxlen|
|00003480| 2c 20 73 69 7a 65 6f 66 | 20 28 2a 62 6f 78 29 2c |, sizeof| (*box),|
|00003490| 20 63 6d 70 5f 62 6c 75 | 29 3b 20 62 72 65 61 6b | cmp_blu|); break|
|000034a0| 3b 0a 58 20 20 20 20 64 | 65 66 61 75 6c 74 3a 09 |;.X d|efault:.|
|000034b0| 66 70 72 69 6e 74 66 20 | 28 73 74 64 65 72 72 2c |fprintf |(stderr,|
|000034c0| 20 22 70 61 6e 69 63 20 | 69 6e 20 73 70 6c 69 74 | "panic |in split|
|000034d0| 5f 62 6f 78 2c 20 73 70 | 6c 69 74 20 3d 20 2d 31 |_box, sp|lit = -1|
|000034e0| 5c 6e 22 29 3b 0a 58 09 | 09 66 66 6c 75 73 68 20 |\n");.X.|.fflush |
|000034f0| 28 73 74 64 65 72 72 29 | 3b 20 66 66 6c 75 73 68 |(stderr)|; fflush|
|00003500| 20 28 73 74 64 6f 75 74 | 29 3b 20 61 62 6f 72 74 | (stdout|); abort|
|00003510| 20 28 29 3b 0a 58 20 20 | 7d 0a 58 20 20 0a 58 20 | ();.X |}.X .X |
|00003520| 20 2f 2a 20 0a 58 20 20 | 20 2a 20 53 70 6c 69 74 | /* .X | * Split|
|00003530| 20 61 74 20 74 68 65 20 | 6d 65 64 69 61 6e 2c 20 | at the |median, |
|00003540| 62 75 74 20 6d 61 6b 65 | 20 73 75 72 65 20 74 68 |but make| sure th|
|00003550| 65 72 65 20 61 72 65 20 | 61 74 20 6c 65 61 73 74 |ere are |at least|
|00003560| 20 6e 75 6d 63 6c 72 2f | 32 0a 58 20 20 20 2a 20 | numclr/|2.X * |
|00003570| 64 69 66 66 65 72 65 6e | 74 20 63 6f 6c 6f 72 73 |differen|t colors|
|00003580| 20 6f 6e 20 65 61 63 68 | 20 73 69 64 65 20 6f 66 | on each| side of|
|00003590| 20 74 68 65 20 73 70 6c | 69 74 2c 20 74 6f 20 61 | the spl|it, to a|
|000035a0| 76 6f 69 64 20 77 61 73 | 74 69 6e 67 0a 58 20 20 |void was|ting.X |
|000035b0| 20 2a 20 63 6f 6c 6f 72 | 73 2e 0a 58 20 20 20 2a | * color|s..X *|
|000035c0| 0a 58 20 20 20 2a 20 4e | 6f 74 65 3a 20 6e 65 65 |.X * N|ote: nee|
|000035d0| 64 20 74 6f 20 6b 65 65 | 70 20 69 6e 20 6d 69 6e |d to kee|p in min|
|000035e0| 64 20 74 68 61 74 20 77 | 68 65 6e 20 74 68 65 20 |d that w|hen the |
|000035f0| 62 6f 78 20 69 73 20 6c | 61 72 67 65 2c 20 64 6f |box is l|arge, do|
|00003600| 6e 74 20 73 70 6c 69 74 | 0a 58 20 20 20 2a 20 20 |nt split|.X * |
|00003610| 20 20 20 20 20 74 6f 6f | 20 63 6c 6f 73 65 20 74 | too| close t|
|00003620| 6f 20 6f 6e 65 20 65 64 | 67 65 2e 0a 58 20 20 20 |o one ed|ge..X |
|00003630| 2a 2f 0a 58 20 20 20 0a | 58 20 20 68 61 6c 66 20 |*/.X .|X half |
|00003640| 3d 20 6e 75 6d 63 6c 72 | 20 2f 20 32 3b 0a 58 20 |= numclr| / 2;.X |
|00003650| 20 74 6f 70 20 3d 20 62 | 6f 78 3b 09 09 62 6f 74 | top = b|ox;..bot|
|00003660| 20 3d 20 62 6f 78 20 2b | 20 28 62 6f 78 6c 65 6e | = box +| (boxlen|
|00003670| 2d 31 29 3b 0a 58 20 20 | 74 6f 70 77 20 3d 20 74 |-1);.X |topw = t|
|00003680| 6f 70 2d 3e 63 6e 74 3b | 09 62 6f 74 77 20 3d 20 |op->cnt;|.botw = |
|00003690| 62 6f 74 2d 3e 63 6e 74 | 3b 0a 58 20 20 0a 58 20 |bot->cnt|;.X .X |
|000036a0| 20 2f 2a 20 53 65 74 20 | 74 6f 70 20 61 6e 64 20 | /* Set |top and |
|000036b0| 62 6f 74 20 74 6f 20 70 | 6f 69 6e 74 20 74 6f 20 |bot to p|oint to |
|000036c0| 6d 69 6e 2f 6d 61 78 20 | 66 65 61 73 69 62 6c 65 |min/max |feasible|
|000036d0| 20 73 70 6c 69 74 73 20 | 2a 2f 0a 58 20 20 77 68 | splits |*/.X wh|
|000036e0| 69 6c 65 20 28 28 74 6f | 70 2d 62 6f 78 29 2b 31 |ile ((to|p-box)+1|
|000036f0| 20 3c 20 68 61 6c 66 29 | 09 09 7b 20 74 6f 70 2b | < half)|..{ top+|
|00003700| 2b 3b 20 74 6f 70 77 20 | 2b 3d 20 74 6f 70 2d 3e |+; topw |+= top->|
|00003710| 63 6e 74 3b 20 7d 0a 58 | 20 20 77 68 69 6c 65 20 |cnt; }.X| while |
|00003720| 28 28 62 6f 78 6c 65 6e | 2d 28 62 6f 74 2d 62 6f |((boxlen|-(bot-bo|
|00003730| 78 29 29 20 3c 20 68 61 | 6c 66 29 09 7b 20 62 6f |x)) < ha|lf).{ bo|
|00003740| 74 2d 2d 3b 20 62 6f 74 | 77 20 2b 3d 20 62 6f 74 |t--; bot|w += bot|
|00003750| 2d 3e 63 6e 74 3b 20 7d | 0a 58 0a 58 20 20 2f 2a |->cnt; }|.X.X /*|
|00003760| 20 4d 6f 76 65 20 74 6f | 70 20 61 6e 64 20 62 6f | Move to|p and bo|
|00003770| 74 74 6f 6d 20 74 6f 77 | 61 72 64 73 20 65 61 63 |ttom tow|ards eac|
|00003780| 68 20 6f 74 68 65 72 20 | 31 2f 38 20 6f 66 20 72 |h other |1/8 of r|
|00003790| 65 6d 61 69 6e 69 6e 67 | 20 64 69 73 74 61 6e 63 |emaining| distanc|
|000037a0| 65 20 2a 2f 0a 58 20 20 | 63 20 3d 20 28 62 6f 74 |e */.X |c = (bot|
|000037b0| 2d 74 6f 70 29 20 2f 20 | 38 3b 0a 58 20 20 66 6f |-top) / |8;.X fo|
|000037c0| 72 20 28 69 3d 30 3b 20 | 69 3c 63 3b 20 69 2b 2b |r (i=0; |i<c; i++|
|000037d0| 29 09 09 09 7b 20 74 6f | 70 2b 2b 3b 20 74 6f 70 |)...{ to|p++; top|
|000037e0| 77 20 2b 3d 20 74 6f 70 | 2d 3e 63 6e 74 3b 20 7d |w += top|->cnt; }|
|000037f0| 0a 58 20 20 66 6f 72 20 | 28 69 3d 30 3b 20 69 3c |.X for |(i=0; i<|
|00003800| 63 3b 20 69 2b 2b 29 09 | 09 09 7b 20 62 6f 74 2d |c; i++).|..{ bot-|
|00003810| 2d 3b 20 62 6f 74 77 20 | 2b 3d 20 62 6f 74 2d 3e |-; botw |+= bot->|
|00003820| 63 6e 74 3b 20 7d 0a 58 | 0a 58 20 20 2f 2a 20 4e |cnt; }.X|.X /* N|
|00003830| 6f 77 20 73 65 61 72 63 | 68 20 66 6f 72 20 6d 65 |ow searc|h for me|
|00003840| 64 69 61 6e 20 2a 2f 0a | 58 20 20 77 68 69 6c 65 |dian */.|X while|
|00003850| 20 28 74 6f 70 20 3c 20 | 62 6f 74 29 0a 58 20 20 | (top < |bot).X |
|00003860| 7b 20 69 66 20 28 74 6f | 70 77 20 3c 20 62 6f 74 |{ if (to|pw < bot|
|00003870| 77 29 09 09 09 7b 20 74 | 6f 70 2b 2b 3b 20 74 6f |w)...{ t|op++; to|
|00003880| 70 77 20 2b 3d 20 74 6f | 70 2d 3e 63 6e 74 3b 20 |pw += to|p->cnt; |
|00003890| 7d 0a 58 20 20 20 20 65 | 6c 73 65 09 09 09 09 7b |}.X e|lse....{|
|000038a0| 20 62 6f 74 2d 2d 3b 20 | 62 6f 74 77 20 2b 3d 20 | bot--; |botw += |
|000038b0| 62 6f 74 2d 3e 63 6e 74 | 3b 20 7d 0a 58 20 20 7d |bot->cnt|; }.X }|
|000038c0| 0a 58 0a 58 20 20 2f 2a | 20 44 65 63 69 64 65 20 |.X.X /*| Decide |
|000038d0| 77 68 69 63 68 20 68 61 | 6c 66 20 67 65 74 73 20 |which ha|lf gets |
|000038e0| 74 68 65 20 6d 69 64 70 | 6f 69 6e 74 20 2a 2f 0a |the midp|oint */.|
|000038f0| 58 20 20 69 66 20 28 74 | 6f 70 77 20 3e 20 62 6f |X if (t|opw > bo|
|00003900| 74 77 29 09 09 09 2f 2a | 20 4d 65 64 69 61 6e 20 |tw).../*| Median |
|00003910| 77 61 6e 74 73 20 74 6f | 20 67 6f 20 77 69 74 68 |wants to| go with|
|00003920| 20 74 6f 70 20 2a 2f 0a | 58 20 20 7b 20 73 62 6f | top */.|X { sbo|
|00003930| 78 20 3d 20 28 74 6f 70 | 2d 62 6f 78 29 20 2b 20 |x = (top|-box) + |
|00003940| 31 3b 0a 58 20 20 20 20 | 73 6e 75 6d 20 3d 20 6e |1;.X |snum = n|
|00003950| 75 6d 63 6c 72 20 2d 20 | 68 61 6c 66 3b 0a 58 20 |umclr - |half;.X |
|00003960| 20 7d 0a 58 20 20 65 6c | 73 65 09 09 09 09 09 2f | }.X el|se...../|
|00003970| 2a 20 4d 65 64 69 61 6e | 20 77 61 6e 74 73 20 74 |* Median| wants t|
|00003980| 6f 20 67 6f 20 77 69 74 | 68 20 62 6f 74 74 6f 6d |o go wit|h bottom|
|00003990| 20 2a 2f 0a 58 20 20 7b | 20 73 62 6f 78 20 3d 20 | */.X {| sbox = |
|000039a0| 28 74 6f 70 20 2d 20 62 | 6f 78 29 3b 0a 58 20 20 |(top - b|ox);.X |
|000039b0| 20 20 73 6e 75 6d 20 3d | 20 68 61 6c 66 3b 0a 58 | snum =| half;.X|
|000039c0| 20 20 7d 0a 58 20 20 0a | 58 20 20 2f 2a 20 48 61 | }.X .|X /* Ha|
|000039d0| 6e 64 6c 65 20 62 6f 75 | 6e 64 61 72 79 20 63 6f |ndle bou|ndary co|
|000039e0| 6e 64 69 74 69 6f 6e 73 | 20 77 69 74 68 20 6e 75 |nditions| with nu|
|000039f0| 6d 62 65 72 20 6f 66 20 | 63 6f 6c 6f 72 73 20 76 |mber of |colors v|
|00003a00| 73 20 62 6f 78 20 73 69 | 7a 65 20 2a 2f 0a 58 20 |s box si|ze */.X |
|00003a10| 20 69 66 20 28 73 62 6f | 78 20 3d 3d 20 30 29 20 | if (sbo|x == 0) |
|00003a20| 73 62 6f 78 2b 2b 3b 0a | 58 20 20 65 6c 73 65 20 |sbox++;.|X else |
|00003a30| 69 66 20 28 73 62 6f 78 | 20 3d 3d 20 62 6f 78 6c |if (sbox| == boxl|
|00003a40| 65 6e 29 20 73 62 6f 78 | 2d 2d 3b 0a 58 0a 58 20 |en) sbox|--;.X.X |
|00003a50| 20 77 68 69 6c 65 20 28 | 73 6e 75 6d 20 3e 20 73 | while (|snum > s|
|00003a60| 62 6f 78 29 20 73 6e 75 | 6d 2d 2d 3b 0a 58 20 20 |box) snu|m--;.X |
|00003a70| 77 68 69 6c 65 20 28 6e | 75 6d 63 6c 72 2d 73 6e |while (n|umclr-sn|
|00003a80| 75 6d 20 3e 20 62 6f 78 | 6c 65 6e 2d 73 62 6f 78 |um > box|len-sbox|
|00003a90| 29 20 73 6e 75 6d 2b 2b | 3b 0a 58 0a 58 23 20 69 |) snum++|;.X.X# i|
|00003aa0| 66 6e 64 65 66 20 4f 50 | 54 49 4d 49 5a 45 0a 58 |fndef OP|TIMIZE.X|
|00003ab0| 20 20 2f 2a 20 43 68 65 | 63 6b 20 66 6f 72 20 62 | /* Che|ck for b|
|00003ac0| 6f 75 6e 64 61 72 79 20 | 63 6f 6e 64 69 74 69 6f |oundary |conditio|
|00003ad0| 6e 20 65 72 72 6f 72 73 | 20 2a 2f 0a 58 20 20 69 |n errors| */.X i|
|00003ae0| 66 20 28 73 6e 75 6d 20 | 3c 3d 20 30 20 7c 7c 20 |f (snum |<= 0 || |
|00003af0| 73 6e 75 6d 20 3e 3d 20 | 6e 75 6d 63 6c 72 29 0a |snum >= |numclr).|
|00003b00| 58 20 20 7b 20 66 70 72 | 69 6e 74 66 20 28 73 74 |X { fpr|intf (st|
|00003b10| 64 65 72 72 2c 20 22 70 | 61 6e 69 63 2c 20 75 73 |derr, "p|anic, us|
|00003b20| 69 6e 67 20 7a 65 72 6f | 20 63 6f 6c 6f 72 73 20 |ing zero| colors |
|00003b30| 66 6f 72 20 62 6f 78 5c | 6e 22 29 3b 0a 58 20 20 |for box\|n");.X |
|00003b40| 20 20 66 66 6c 75 73 68 | 20 28 73 74 64 65 72 72 | fflush| (stderr|
|00003b50| 29 3b 0a 58 20 20 20 20 | 61 62 6f 72 74 20 28 29 |);.X |abort ()|
|00003b60| 3b 0a 58 20 20 7d 0a 58 | 0a 58 20 20 69 66 20 28 |;.X }.X|.X if (|
|00003b70| 62 6f 78 6c 65 6e 2d 73 | 62 6f 78 20 3c 20 6e 75 |boxlen-s|box < nu|
|00003b80| 6d 63 6c 72 2d 73 6e 75 | 6d 29 0a 58 20 20 7b 20 |mclr-snu|m).X { |
|00003b90| 66 70 72 69 6e 74 66 20 | 28 73 74 64 65 72 72 2c |fprintf |(stderr,|
|00003ba0| 20 22 70 61 6e 69 63 2c | 20 61 62 6f 75 74 20 74 | "panic,| about t|
|00003bb0| 6f 20 75 73 65 64 20 25 | 64 20 62 6f 78 65 73 20 |o used %|d boxes |
|00003bc0| 66 6f 72 20 25 64 20 63 | 6f 6c 6f 72 73 5c 6e 22 |for %d c|olors\n"|
|00003bd0| 2c 0a 58 09 20 20 20 20 | 20 62 6f 78 6c 65 6e 2d |,.X. | boxlen-|
|00003be0| 73 62 6f 78 2c 20 6e 75 | 6d 63 6c 72 2d 73 6e 75 |sbox, nu|mclr-snu|
|00003bf0| 6d 29 3b 0a 58 20 20 20 | 20 66 66 6c 75 73 68 20 |m);.X | fflush |
|00003c00| 28 73 74 64 65 72 72 29 | 3b 0a 58 20 20 20 20 61 |(stderr)|;.X a|
|00003c10| 62 6f 72 74 20 28 29 3b | 0a 58 20 20 7d 0a 58 0a |bort ();|.X }.X.|
|00003c20| 58 20 20 69 66 20 28 73 | 62 6f 78 20 3c 20 73 6e |X if (s|box < sn|
|00003c30| 75 6d 29 0a 58 20 20 7b | 20 66 70 72 69 6e 74 66 |um).X {| fprintf|
|00003c40| 20 28 73 74 64 65 72 72 | 2c 20 22 70 61 6e 69 63 | (stderr|, "panic|
|00003c50| 2c 20 61 62 6f 75 74 20 | 74 6f 20 75 73 65 64 20 |, about |to used |
|00003c60| 25 64 20 62 6f 78 65 73 | 20 66 6f 72 20 25 64 20 |%d boxes| for %d |
|00003c70| 63 6f 6c 6f 72 73 5c 6e | 22 2c 0a 58 09 20 20 20 |colors\n|",.X. |
|00003c80| 20 20 73 62 6f 78 2c 20 | 73 6e 75 6d 29 3b 0a 58 | sbox, |snum);.X|
|00003c90| 20 20 20 20 66 66 6c 75 | 73 68 20 28 73 74 64 65 | fflu|sh (stde|
|00003ca0| 72 72 29 3b 0a 58 20 20 | 20 20 61 62 6f 72 74 20 |rr);.X | abort |
|00003cb0| 28 29 3b 0a 58 20 20 7d | 0a 58 23 20 65 6e 64 69 |();.X }|.X# endi|
|00003cc0| 66 0a 58 0a 58 20 20 69 | 66 20 28 64 65 62 75 67 |f.X.X i|f (debug|
|00003cd0| 29 0a 58 20 20 7b 20 69 | 6e 74 20 63 6f 75 6e 74 |).X { i|nt count|
|00003ce0| 20 3d 20 6e 75 6d 63 6c | 72 2c 20 64 65 70 74 68 | = numcl|r, depth|
|00003cf0| 20 3d 20 38 3b 0a 58 20 | 20 20 20 77 68 69 6c 65 | = 8;.X | while|
|00003d00| 20 28 63 6f 75 6e 74 20 | 3e 20 30 29 20 7b 20 64 | (count |> 0) { d|
|00003d10| 65 70 74 68 2d 2d 3b 20 | 63 6f 75 6e 74 20 2f 3d |epth--; |count /=|
|00003d20| 20 32 3b 20 7d 0a 58 20 | 20 20 20 66 6f 72 20 28 | 2; }.X | for (|
|00003d30| 69 3d 30 3b 20 69 3c 64 | 65 70 74 68 3b 20 69 2b |i=0; i<d|epth; i+|
|00003d40| 2b 29 20 66 70 72 69 6e | 74 66 20 28 73 74 64 65 |+) fprin|tf (stde|
|00003d50| 72 72 2c 20 22 20 20 22 | 29 3b 0a 58 20 20 20 20 |rr, " "|);.X |
|00003d60| 0a 58 20 20 20 20 66 70 | 72 69 6e 74 66 20 28 73 |.X fp|rintf (s|
|00003d70| 74 64 65 72 72 2c 20 22 | 62 6f 78 20 5b 25 64 2e |tderr, "|box [%d.|
|00003d80| 2e 25 64 7c 25 64 5d 20 | 72 28 25 64 2c 25 64 2c |.%d|%d] |r(%d,%d,|
|00003d90| 25 64 29 20 67 28 25 64 | 2c 25 64 2c 25 64 29 20 |%d) g(%d|,%d,%d) |
|00003da0| 62 28 25 64 2c 25 64 2c | 25 64 29 20 3d 3e 22 2c |b(%d,%d,|%d) =>",|
|00003db0| 0a 58 09 20 20 20 20 20 | 30 2c 20 62 6f 78 6c 65 |.X. |0, boxle|
|00003dc0| 6e 2d 31 2c 20 6e 75 6d | 63 6c 72 2c 0a 58 09 20 |n-1, num|clr,.X. |
|00003dd0| 20 20 20 20 6d 69 6e 76 | 5b 52 44 5d 2c 20 6d 61 | minv|[RD], ma|
|00003de0| 78 76 5b 52 44 5d 2c 20 | 6e 75 6d 76 5b 52 44 5d |xv[RD], |numv[RD]|
|00003df0| 2c 0a 58 09 20 20 20 20 | 20 6d 69 6e 76 5b 47 52 |,.X. | minv[GR|
|00003e00| 5d 2c 20 6d 61 78 76 5b | 47 52 5d 2c 20 6e 75 6d |], maxv[|GR], num|
|00003e10| 76 5b 47 52 5d 2c 0a 58 | 09 20 20 20 20 20 6d 69 |v[GR],.X|. mi|
|00003e20| 6e 76 5b 42 4c 5d 2c 20 | 6d 61 78 76 5b 42 4c 5d |nv[BL], |maxv[BL]|
|00003e30| 2c 20 6e 75 6d 76 5b 42 | 4c 5d 29 3b 0a 58 20 20 |, numv[B|L]);.X |
|00003e40| 20 20 66 70 72 69 6e 74 | 66 20 28 73 74 64 65 72 | fprint|f (stder|
|00003e50| 72 2c 20 22 20 25 63 20 | 5b 25 64 2e 2e 25 64 7c |r, " %c |[%d..%d||
|00003e60| 25 64 5d 20 5b 25 64 2e | 2e 25 64 7c 25 64 5d 5c |%d] [%d.|.%d|%d]\|
|00003e70| 6e 22 2c 0a 58 09 20 20 | 20 20 20 22 52 47 42 22 |n",.X. | "RGB"|
|00003e80| 5b 73 70 6c 69 74 5d 2c | 20 30 2c 20 73 62 6f 78 |[split],| 0, sbox|
|00003e90| 2d 31 2c 20 73 6e 75 6d | 2c 20 73 62 6f 78 2c 20 |-1, snum|, sbox, |
|00003ea0| 62 6f 78 6c 65 6e 2d 31 | 2c 20 6e 75 6d 63 6c 72 |boxlen-1|, numclr|
|00003eb0| 2d 73 6e 75 6d 29 3b 0a | 58 20 20 7d 0a 58 0a 58 |-snum);.|X }.X.X|
|00003ec0| 20 20 2f 2a 20 4e 6f 77 | 20 72 65 63 75 72 73 65 | /* Now| recurse|
|00003ed0| 20 61 6e 64 20 73 70 6c | 69 74 20 65 61 63 68 20 | and spl|it each |
|00003ee0| 73 75 62 2d 62 6f 78 20 | 2a 2f 0a 58 20 20 73 70 |sub-box |*/.X sp|
|00003ef0| 6c 69 74 5f 62 6f 78 20 | 28 62 6f 78 2c 20 20 20 |lit_box |(box, |
|00003f00| 20 20 20 73 62 6f 78 2c | 20 20 20 20 20 20 20 20 | sbox,| |
|00003f10| 20 20 63 6c 72 2c 20 20 | 20 20 20 20 73 6e 75 6d | clr, | snum|
|00003f20| 2c 20 20 20 20 20 20 20 | 20 63 6d 61 70 29 3b 0a |, | cmap);.|
|00003f30| 58 20 20 73 70 6c 69 74 | 5f 62 6f 78 20 28 62 6f |X split|_box (bo|
|00003f40| 78 2b 73 62 6f 78 2c 20 | 62 6f 78 6c 65 6e 20 2d |x+sbox, |boxlen -|
|00003f50| 20 73 62 6f 78 2c 20 63 | 6c 72 2b 73 6e 75 6d 2c | sbox, c|lr+snum,|
|00003f60| 20 6e 75 6d 63 6c 72 2d | 73 6e 75 6d 2c 20 63 6d | numclr-|snum, cm|
|00003f70| 61 70 29 3b 0a 58 7d 0a | 58 0a 58 2f 2a 2a 2a 2a |ap);.X}.|X.X/****|
|00003f80| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00003f90| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00003fa0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00003fb0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 0a 58 20 2a |********|****.X *|
|00003fc0| 20 62 6f 78 5f 77 65 69 | 67 68 74 3a 20 44 65 74 | box_wei|ght: Det|
|00003fd0| 65 72 6d 69 6e 65 20 74 | 68 65 20 74 6f 74 61 6c |ermine t|he total|
|00003fe0| 20 63 6f 75 6e 74 20 6f | 66 20 61 20 62 6f 78 0a | count o|f a box.|
|00003ff0| 58 20 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |X ******|********|
|00004000| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004010| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004020| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004030| 2a 2a 2f 0a 58 0a 58 62 | 6f 78 5f 77 65 69 67 68 |**/.X.Xb|ox_weigh|
|00004040| 74 20 28 62 6f 78 2c 20 | 62 6f 78 6c 65 6e 29 0a |t (box, |boxlen).|
|00004050| 58 72 65 67 69 73 74 65 | 72 20 50 49 58 45 4c 20 |Xregiste|r PIXEL |
|00004060| 2a 62 6f 78 3b 0a 58 72 | 65 67 69 73 74 65 72 20 |*box;.Xr|egister |
|00004070| 69 6e 74 20 62 6f 78 6c | 65 6e 3b 0a 58 7b 20 72 |int boxl|en;.X{ r|
|00004080| 65 67 69 73 74 65 72 20 | 69 6e 74 20 73 75 6d 20 |egister |int sum |
|00004090| 3d 20 30 2c 20 69 3b 0a | 58 0a 58 20 20 66 6f 72 |= 0, i;.|X.X for|
|000040a0| 20 28 69 3d 30 3b 20 69 | 3c 62 6f 78 6c 65 6e 3b | (i=0; i|<boxlen;|
|000040b0| 20 69 2b 2b 29 0a 58 20 | 20 7b 20 73 75 6d 20 2b | i++).X | { sum +|
|000040c0| 3d 20 62 6f 78 5b 69 5d | 2e 63 6e 74 3b 20 7d 0a |= box[i]|.cnt; }.|
|000040d0| 58 20 20 0a 58 20 20 72 | 65 74 75 72 6e 20 28 73 |X .X r|eturn (s|
|000040e0| 75 6d 29 3b 0a 58 7d 0a | 58 0a 58 2f 2a 2a 2a 2a |um);.X}.|X.X/****|
|000040f0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004100| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004110| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004120| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 0a 58 20 2a |********|****.X *|
|00004130| 20 62 6f 78 5f 61 76 67 | 5f 72 65 64 3a 20 44 65 | box_avg|_red: De|
|00004140| 74 65 72 6d 69 6e 65 20 | 74 68 65 20 61 76 65 72 |termine |the aver|
|00004150| 61 67 65 20 72 65 64 20 | 76 61 6c 75 65 20 5b 30 |age red |value [0|
|00004160| 2e 2e 32 35 35 5d 20 6f | 66 20 61 20 62 6f 78 0a |..255] o|f a box.|
|00004170| 58 20 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |X ******|********|
|00004180| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004190| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000041a0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000041b0| 2a 2a 2f 0a 58 0a 58 62 | 6f 78 5f 61 76 67 5f 72 |**/.X.Xb|ox_avg_r|
|000041c0| 65 64 20 28 62 6f 78 2c | 20 62 6f 78 6c 65 6e 29 |ed (box,| boxlen)|
|000041d0| 0a 58 72 65 67 69 73 74 | 65 72 20 50 49 58 45 4c |.Xregist|er PIXEL|
|000041e0| 20 2a 62 6f 78 3b 0a 58 | 72 65 67 69 73 74 65 72 | *box;.X|register|
|000041f0| 20 69 6e 74 20 62 6f 78 | 6c 65 6e 3b 0a 58 7b 20 | int box|len;.X{ |
|00004200| 72 65 67 69 73 74 65 72 | 20 69 6e 74 20 73 75 6d |register| int sum|
|00004210| 20 3d 20 30 2c 20 6e 20 | 3d 20 30 2c 20 69 3b 0a | = 0, n |= 0, i;.|
|00004220| 58 0a 58 20 20 66 6f 72 | 20 28 69 3d 30 3b 20 69 |X.X for| (i=0; i|
|00004230| 3c 62 6f 78 6c 65 6e 3b | 20 69 2b 2b 29 0a 58 20 |<boxlen;| i++).X |
|00004240| 20 7b 20 73 75 6d 20 2b | 3d 20 47 45 54 52 38 28 | { sum +|= GETR8(|
|00004250| 62 6f 78 5b 69 5d 2e 63 | 6f 6c 6f 72 29 3b 20 6e |box[i].c|olor); n|
|00004260| 2b 2b 3b 20 7d 0a 58 20 | 20 0a 58 20 20 72 65 74 |++; }.X | .X ret|
|00004270| 75 72 6e 20 28 73 75 6d | 20 2f 20 6e 29 3b 0a 58 |urn (sum| / n);.X|
|00004280| 7d 0a 58 0a 58 2f 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |}.X.X/**|********|
|00004290| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000042a0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000042b0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000042c0| 2a 2a 2a 2a 2a 2a 0a 58 | 20 2a 20 62 6f 78 5f 61 |******.X| * box_a|
|000042d0| 76 67 5f 67 72 6e 3a 20 | 44 65 74 65 72 6d 69 6e |vg_grn: |Determin|
|000042e0| 65 20 74 68 65 20 61 76 | 65 72 61 67 65 20 67 72 |e the av|erage gr|
|000042f0| 6e 20 76 61 6c 75 65 20 | 5b 30 2e 2e 32 35 35 5d |n value |[0..255]|
|00004300| 20 6f 66 20 61 20 62 6f | 78 0a 58 20 2a 2a 2a 2a | of a bo|x.X ****|
|00004310| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004320| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004330| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004340| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2f 0a 58 0a |********|****/.X.|
|00004350| 58 62 6f 78 5f 61 76 67 | 5f 67 72 6e 20 28 62 6f |Xbox_avg|_grn (bo|
|00004360| 78 2c 20 62 6f 78 6c 65 | 6e 29 0a 58 72 65 67 69 |x, boxle|n).Xregi|
|00004370| 73 74 65 72 20 50 49 58 | 45 4c 20 2a 62 6f 78 3b |ster PIX|EL *box;|
|00004380| 0a 58 72 65 67 69 73 74 | 65 72 20 69 6e 74 20 62 |.Xregist|er int b|
|00004390| 6f 78 6c 65 6e 3b 0a 58 | 7b 20 72 65 67 69 73 74 |oxlen;.X|{ regist|
|000043a0| 65 72 20 69 6e 74 20 73 | 75 6d 20 3d 20 30 2c 20 |er int s|um = 0, |
|000043b0| 6e 20 3d 20 30 2c 20 69 | 3b 0a 58 0a 58 20 20 66 |n = 0, i|;.X.X f|
|000043c0| 6f 72 20 28 69 3d 30 3b | 20 69 3c 62 6f 78 6c 65 |or (i=0;| i<boxle|
|000043d0| 6e 3b 20 69 2b 2b 29 0a | 58 20 20 7b 20 73 75 6d |n; i++).|X { sum|
|000043e0| 20 2b 3d 20 47 45 54 47 | 38 28 62 6f 78 5b 69 5d | += GETG|8(box[i]|
|000043f0| 2e 63 6f 6c 6f 72 29 3b | 20 6e 2b 2b 3b 20 7d 0a |.color);| n++; }.|
|00004400| 58 20 20 0a 58 20 20 72 | 65 74 75 72 6e 20 28 73 |X .X r|eturn (s|
|00004410| 75 6d 20 2f 20 6e 29 3b | 0a 58 7d 0a 58 0a 58 2f |um / n);|.X}.X.X/|
|00004420| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004430| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004440| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004450| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004460| 0a 58 20 2a 20 62 6f 78 | 5f 61 76 67 5f 62 6c 75 |.X * box|_avg_blu|
|00004470| 3a 20 44 65 74 65 72 6d | 69 6e 65 20 74 68 65 20 |: Determ|ine the |
|00004480| 61 76 65 72 61 67 65 20 | 62 6c 75 20 76 61 6c 75 |average |blu valu|
|00004490| 65 20 5b 30 2e 2e 32 35 | 35 5d 20 6f 66 20 61 20 |e [0..25|5] of a |
|000044a0| 62 6f 78 0a 58 20 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |box.X **|********|
|000044b0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000044c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000044d0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000044e0| 2a 2a 2a 2a 2a 2a 2f 0a | 58 0a 58 62 6f 78 5f 61 |******/.|X.Xbox_a|
|000044f0| 76 67 5f 62 6c 75 20 28 | 62 6f 78 2c 20 62 6f 78 |vg_blu (|box, box|
|00004500| 6c 65 6e 29 0a 58 72 65 | 67 69 73 74 65 72 20 50 |len).Xre|gister P|
|00004510| 49 58 45 4c 20 2a 62 6f | 78 3b 0a 58 72 65 67 69 |IXEL *bo|x;.Xregi|
|00004520| 73 74 65 72 20 69 6e 74 | 20 62 6f 78 6c 65 6e 3b |ster int| boxlen;|
|00004530| 0a 58 7b 20 72 65 67 69 | 73 74 65 72 20 69 6e 74 |.X{ regi|ster int|
|00004540| 20 73 75 6d 20 3d 20 30 | 2c 20 6e 20 3d 20 30 2c | sum = 0|, n = 0,|
|00004550| 20 69 3b 0a 58 0a 58 20 | 20 66 6f 72 20 28 69 3d | i;.X.X | for (i=|
|00004560| 30 3b 20 69 3c 62 6f 78 | 6c 65 6e 3b 20 69 2b 2b |0; i<box|len; i++|
|00004570| 29 0a 58 20 20 7b 20 73 | 75 6d 20 2b 3d 20 47 45 |).X { s|um += GE|
|00004580| 54 42 38 28 62 6f 78 5b | 69 5d 2e 63 6f 6c 6f 72 |TB8(box[|i].color|
|00004590| 29 3b 20 6e 2b 2b 3b 20 | 7d 0a 58 20 20 0a 58 20 |); n++; |}.X .X |
|000045a0| 20 72 65 74 75 72 6e 20 | 28 73 75 6d 20 2f 20 6e | return |(sum / n|
|000045b0| 29 3b 0a 58 7d 0a 58 0a | 58 0a 58 2f 2a 2a 2a 2a |);.X}.X.|X.X/****|
|000045c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000045d0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000045e0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000045f0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 0a 58 20 2a |********|****.X *|
|00004600| 20 73 6f 72 74 20 62 79 | 20 69 6e 63 72 65 61 73 | sort by| increas|
|00004610| 69 6e 67 20 72 65 64 20 | 28 20 74 68 65 6e 20 67 |ing red |( then g|
|00004620| 72 65 65 6e 20 61 6e 64 | 20 62 6c 75 65 20 29 0a |reen and| blue ).|
|00004630| 58 20 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |X ******|********|
|00004640| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004650| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004660| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004670| 2a 2a 2f 0a 58 0a 58 63 | 6d 70 5f 72 65 64 20 28 |**/.X.Xc|mp_red (|
|00004680| 61 2c 20 62 29 0a 58 50 | 49 58 45 4c 20 2a 61 2c |a, b).XP|IXEL *a,|
|00004690| 20 2a 62 3b 0a 58 7b 20 | 72 65 67 69 73 74 65 72 | *b;.X{ |register|
|000046a0| 20 72 3b 0a 58 0a 58 20 | 20 69 66 20 28 72 20 3d | r;.X.X | if (r =|
|000046b0| 20 47 45 54 52 28 61 2d | 3e 63 6f 6c 6f 72 29 20 | GETR(a-|>color) |
|000046c0| 2d 20 47 45 54 52 28 62 | 2d 3e 63 6f 6c 6f 72 29 |- GETR(b|->color)|
|000046d0| 29 0a 58 20 20 7b 20 72 | 65 74 75 72 6e 20 28 72 |).X { r|eturn (r|
|000046e0| 29 3b 20 7d 0a 58 20 20 | 0a 58 20 20 69 66 20 28 |); }.X |.X if (|
|000046f0| 72 20 3d 20 47 45 54 47 | 28 61 2d 3e 63 6f 6c 6f |r = GETG|(a->colo|
|00004700| 72 29 20 2d 20 47 45 54 | 47 28 62 2d 3e 63 6f 6c |r) - GET|G(b->col|
|00004710| 6f 72 29 29 0a 58 20 20 | 7b 20 72 65 74 75 72 6e |or)).X |{ return|
|00004720| 20 28 72 29 3b 20 7d 0a | 58 0a 58 20 20 69 66 20 | (r); }.|X.X if |
|00004730| 28 72 20 3d 20 47 45 54 | 42 28 61 2d 3e 63 6f 6c |(r = GET|B(a->col|
|00004740| 6f 72 29 20 2d 20 47 45 | 54 42 28 62 2d 3e 63 6f |or) - GE|TB(b->co|
|00004750| 6c 6f 72 29 29 0a 58 20 | 20 7b 20 72 65 74 75 72 |lor)).X | { retur|
|00004760| 6e 20 28 72 29 3b 20 7d | 0a 58 20 20 0a 58 20 20 |n (r); }|.X .X |
|00004770| 72 65 74 75 72 6e 20 28 | 30 29 3b 0a 58 7d 0a 58 |return (|0);.X}.X|
|00004780| 0a 58 2f 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |.X/*****|********|
|00004790| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000047a0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000047b0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000047c0| 2a 2a 2a 0a 58 20 2a 20 | 73 6f 72 74 20 62 79 20 |***.X * |sort by |
|000047d0| 69 6e 63 72 65 61 73 69 | 6e 67 20 67 72 65 65 6e |increasi|ng green|
|000047e0| 20 28 20 74 68 65 6e 20 | 62 6c 75 65 20 61 6e 64 | ( then |blue and|
|000047f0| 20 72 65 64 20 29 0a 58 | 20 2a 2a 2a 2a 2a 2a 2a | red ).X| *******|
|00004800| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004810| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004820| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004830| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2f 0a 58 0a 58 63 6d |********|*/.X.Xcm|
|00004840| 70 5f 67 72 6e 20 28 61 | 2c 20 62 29 0a 58 50 49 |p_grn (a|, b).XPI|
|00004850| 58 45 4c 20 2a 61 2c 20 | 2a 62 3b 0a 58 7b 20 72 |XEL *a, |*b;.X{ r|
|00004860| 65 67 69 73 74 65 72 20 | 72 3b 0a 58 0a 58 20 20 |egister |r;.X.X |
|00004870| 69 66 20 28 72 20 3d 20 | 47 45 54 47 28 61 2d 3e |if (r = |GETG(a->|
|00004880| 63 6f 6c 6f 72 29 20 2d | 20 47 45 54 47 28 62 2d |color) -| GETG(b-|
|00004890| 3e 63 6f 6c 6f 72 29 29 | 0a 58 20 20 7b 20 72 65 |>color))|.X { re|
|000048a0| 74 75 72 6e 20 28 72 29 | 3b 20 7d 0a 58 0a 58 20 |turn (r)|; }.X.X |
|000048b0| 20 69 66 20 28 72 20 3d | 20 47 45 54 42 28 61 2d | if (r =| GETB(a-|
|000048c0| 3e 63 6f 6c 6f 72 29 20 | 2d 20 47 45 54 42 28 62 |>color) |- GETB(b|
|000048d0| 2d 3e 63 6f 6c 6f 72 29 | 29 0a 58 20 20 7b 20 72 |->color)|).X { r|
|000048e0| 65 74 75 72 6e 20 28 72 | 29 3b 20 7d 0a 58 20 20 |eturn (r|); }.X |
|000048f0| 0a 58 20 20 69 66 20 28 | 72 20 3d 20 47 45 54 52 |.X if (|r = GETR|
|00004900| 28 61 2d 3e 63 6f 6c 6f | 72 29 20 2d 20 47 45 54 |(a->colo|r) - GET|
|00004910| 52 28 62 2d 3e 63 6f 6c | 6f 72 29 29 0a 58 20 20 |R(b->col|or)).X |
|00004920| 7b 20 72 65 74 75 72 6e | 20 28 72 29 3b 20 7d 0a |{ return| (r); }.|
|00004930| 58 20 20 0a 58 20 20 72 | 65 74 75 72 6e 20 28 30 |X .X r|eturn (0|
|00004940| 29 3b 0a 58 7d 0a 58 0a | 58 2f 2a 2a 2a 2a 2a 2a |);.X}.X.|X/******|
|00004950| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004960| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004970| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004980| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 0a 58 20 2a 20 73 |********|**.X * s|
|00004990| 6f 72 74 20 62 79 20 69 | 6e 63 72 65 61 73 69 6e |ort by i|ncreasin|
|000049a0| 67 20 62 6c 75 65 20 28 | 20 74 68 65 6e 20 72 65 |g blue (| then re|
|000049b0| 64 20 61 6e 64 20 67 72 | 65 65 6e 20 29 0a 58 20 |d and gr|een ).X |
|000049c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000049d0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000049e0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000049f0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004a00| 2f 0a 58 0a 58 63 6d 70 | 5f 62 6c 75 20 28 61 2c |/.X.Xcmp|_blu (a,|
|00004a10| 20 62 29 0a 58 50 49 58 | 45 4c 20 2a 61 2c 20 2a | b).XPIX|EL *a, *|
|00004a20| 62 3b 0a 58 7b 20 72 65 | 67 69 73 74 65 72 20 72 |b;.X{ re|gister r|
|00004a30| 3b 0a 58 0a 58 20 20 69 | 66 20 28 72 20 3d 20 47 |;.X.X i|f (r = G|
|00004a40| 45 54 42 28 61 2d 3e 63 | 6f 6c 6f 72 29 20 2d 20 |ETB(a->c|olor) - |
|00004a50| 47 45 54 42 28 62 2d 3e | 63 6f 6c 6f 72 29 29 0a |GETB(b->|color)).|
|00004a60| 58 20 20 7b 20 72 65 74 | 75 72 6e 20 28 72 29 3b |X { ret|urn (r);|
|00004a70| 20 7d 0a 58 20 20 0a 58 | 20 20 69 66 20 28 72 20 | }.X .X| if (r |
|00004a80| 3d 20 47 45 54 52 28 61 | 2d 3e 63 6f 6c 6f 72 29 |= GETR(a|->color)|
|00004a90| 20 2d 20 47 45 54 52 28 | 62 2d 3e 63 6f 6c 6f 72 | - GETR(|b->color|
|00004aa0| 29 29 0a 58 20 20 7b 20 | 72 65 74 75 72 6e 20 28 |)).X { |return (|
|00004ab0| 72 29 3b 20 7d 0a 58 20 | 20 0a 58 20 20 69 66 20 |r); }.X | .X if |
|00004ac0| 28 72 20 3d 20 47 45 54 | 47 28 61 2d 3e 63 6f 6c |(r = GET|G(a->col|
|00004ad0| 6f 72 29 20 2d 20 47 45 | 54 47 28 62 2d 3e 63 6f |or) - GE|TG(b->co|
|00004ae0| 6c 6f 72 29 29 0a 58 20 | 20 7b 20 72 65 74 75 72 |lor)).X | { retur|
|00004af0| 6e 20 28 72 29 3b 20 7d | 0a 58 0a 58 20 20 72 65 |n (r); }|.X.X re|
|00004b00| 74 75 72 6e 20 28 30 29 | 3b 0a 58 7d 0a 58 0a 58 |turn (0)|;.X}.X.X|
|00004b10| 2f 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |/*******|********|
|00004b20| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004b30| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004b40| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004b50| 2a 0a 58 20 2a 20 63 6c | 72 5f 71 75 61 6e 74 69 |*.X * cl|r_quanti|
|00004b60| 7a 65 3a 20 44 6f 20 46 | 6c 6f 79 64 20 53 74 65 |ze: Do F|loyd Ste|
|00004b70| 69 6e 62 65 72 67 20 71 | 75 61 6e 74 69 7a 69 6e |inberg q|uantizin|
|00004b80| 67 20 6f 6e 20 74 68 65 | 20 69 6d 61 67 65 0a 58 |g on the| image.X|
|00004b90| 20 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a | *******|********|
|00004ba0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004bb0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004bc0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004bd0| 2a 2f 0a 58 0a 58 63 6c | 72 5f 71 75 61 6e 74 69 |*/.X.Xcl|r_quanti|
|00004be0| 7a 65 20 28 69 6e 70 75 | 74 2c 20 6f 75 74 70 75 |ze (inpu|t, outpu|
|00004bf0| 74 2c 20 63 6d 61 70 2c | 20 63 6f 6c 6f 72 73 29 |t, cmap,| colors)|
|00004c00| 0a 58 46 42 4d 20 2a 69 | 6e 70 75 74 2c 20 2a 6f |.XFBM *i|nput, *o|
|00004c10| 75 74 70 75 74 3b 0a 58 | 43 4f 4c 4f 52 20 2a 63 |utput;.X|COLOR *c|
|00004c20| 6d 61 70 3b 0a 58 69 6e | 74 20 63 6f 6c 6f 72 73 |map;.Xin|t colors|
|00004c30| 3b 0a 58 7b 20 69 6e 74 | 20 2a 2a 63 65 72 72 2c |;.X{ int| **cerr,|
|00004c40| 20 2a 2a 6c 65 72 72 2c | 20 2a 2a 74 65 72 72 3b | **lerr,| **terr;|
|00004c50| 0a 58 20 20 69 6e 74 20 | 77 69 64 74 68 20 3d 20 |.X int |width = |
|00004c60| 69 6e 70 75 74 2d 3e 68 | 64 72 2e 63 6f 6c 73 2c |input->h|dr.cols,|
|00004c70| 20 68 65 69 67 68 74 20 | 3d 20 69 6e 70 75 74 2d | height |= input-|
|00004c80| 3e 68 64 72 2e 72 6f 77 | 73 3b 0a 58 20 20 69 6e |>hdr.row|s;.X in|
|00004c90| 74 20 72 6f 77 6c 65 6e | 20 3d 20 69 6e 70 75 74 |t rowlen| = input|
|00004ca0| 2d 3e 68 64 72 2e 72 6f | 77 6c 65 6e 2c 20 70 6c |->hdr.ro|wlen, pl|
|00004cb0| 6e 6c 65 6e 20 3d 20 69 | 6e 70 75 74 2d 3e 68 64 |nlen = i|nput->hd|
|00004cc0| 72 2e 70 6c 6e 6c 65 6e | 3b 0a 58 20 20 72 65 67 |r.plnlen|;.X reg|
|00004cd0| 69 73 74 65 72 20 69 6e | 74 20 69 2c 20 6a 3b 0a |ister in|t i, j;.|
|00004ce0| 58 20 20 72 65 67 69 73 | 74 65 72 20 69 6e 74 20 |X regis|ter int |
|00004cf0| 72 64 2c 20 67 72 2c 20 | 62 6c 3b 0a 58 20 20 69 |rd, gr, |bl;.X i|
|00004d00| 6e 74 20 72 64 65 72 72 | 2c 20 67 72 65 72 72 2c |nt rderr|, grerr,|
|00004d10| 20 62 6c 65 72 72 2c 20 | 63 6c 72 3b 0a 58 20 20 | blerr, |clr;.X |
|00004d20| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 2a 72 |unsigned| char *r|
|00004d30| 70 2c 20 2a 67 70 2c 20 | 2a 62 70 2c 20 2a 6f 62 |p, *gp, |*bp, *ob|
|00004d40| 6d 3b 0a 58 0a 58 20 20 | 2f 2a 2d 2d 2d 2d 2d 2d |m;.X.X |/*------|
|00004d50| 2d 2d 20 43 6f 70 79 20 | 63 6f 6c 6f 72 6d 61 70 |-- Copy |colormap|
|00004d60| 20 69 6e 74 6f 20 6f 75 | 74 70 75 74 20 62 69 74 | into ou|tput bit|
|00004d70| 6d 61 70 20 2d 2d 2d 2d | 2d 2d 2d 2d 2a 2f 0a 58 |map ----|----*/.X|
|00004d80| 20 20 66 6f 72 20 28 69 | 3d 30 3b 20 69 3c 63 6f | for (i|=0; i<co|
|00004d90| 6c 6f 72 73 3b 20 69 2b | 2b 29 0a 58 20 20 7b 20 |lors; i+|+).X { |
|00004da0| 6f 75 74 70 75 74 2d 3e | 63 6d 5b 69 5d 20 20 20 |output->|cm[i] |
|00004db0| 20 20 20 20 20 20 20 20 | 20 20 20 20 3d 20 63 6d | | = cm|
|00004dc0| 61 70 5b 69 5d 2e 72 64 | 3b 0a 58 20 20 20 20 6f |ap[i].rd|;.X o|
|00004dd0| 75 74 70 75 74 2d 3e 63 | 6d 5b 69 2b 63 6f 6c 6f |utput->c|m[i+colo|
|00004de0| 72 73 5d 20 20 20 20 20 | 20 20 20 3d 20 63 6d 61 |rs] | = cma|
|00004df0| 70 5b 69 5d 2e 67 72 3b | 0a 58 20 20 20 20 6f 75 |p[i].gr;|.X ou|
|00004e00| 74 70 75 74 2d 3e 63 6d | 5b 69 2b 63 6f 6c 6f 72 |tput->cm|[i+color|
|00004e10| 73 2b 63 6f 6c 6f 72 73 | 5d 20 3d 20 63 6d 61 70 |s+colors|] = cmap|
|00004e20| 5b 69 5d 2e 62 6c 3b 0a | 58 20 20 7d 0a 58 0a 58 |[i].bl;.|X }.X.X|
|00004e30| 20 20 2f 2a 0a 58 20 20 | 20 2a 20 50 72 65 63 6f | /*.X | * Preco|
|00004e40| 6d 70 75 74 65 20 6e 65 | 63 65 73 73 61 72 79 20 |mpute ne|cessary |
|00004e50| 6e 65 61 72 65 73 74 20 | 6e 65 69 67 68 62 6f 72 |nearest |neighbor|
|00004e60| 20 71 75 65 72 79 20 69 | 6e 66 6f 2e 20 20 4e 6f | query i|nfo. No|
|00004e70| 74 65 20 74 68 61 74 20 | 77 65 20 77 61 69 74 0a |te that |we wait.|
|00004e80| 58 20 20 20 2a 20 75 6e | 74 69 6c 20 61 66 74 65 |X * un|til afte|
|00004e90| 72 20 63 6f 70 79 69 6e | 67 20 74 68 65 20 63 6f |r copyin|g the co|
|00004ea0| 6c 6f 72 6d 61 70 2c 20 | 73 69 6e 63 65 20 69 6e |lormap, |since in|
|00004eb0| 69 74 20 72 65 6f 72 64 | 65 72 73 20 69 74 0a 58 |it reord|ers it.X|
|00004ec0| 20 20 20 2a 2f 0a 58 0a | 58 20 20 69 6e 69 74 5f | */.X.|X init_|
|00004ed0| 6e 65 61 72 65 73 74 20 | 28 63 6d 61 70 2c 20 63 |nearest |(cmap, c|
|00004ee0| 6f 6c 6f 72 73 29 3b 0a | 58 0a 58 20 20 2f 2a 2d |olors);.|X.X /*-|
|00004ef0| 2d 2d 2d 2d 2d 2d 2d 20 | 44 6f 20 68 61 6c 66 74 |------- |Do halft|
|00004f00| 6f 6e 69 6e 67 20 2d 2d | 2d 2d 2d 2d 2d 2d 2a 2f |oning --|------*/|
|00004f10| 0a 58 20 20 63 65 72 72 | 20 3d 20 28 69 6e 74 20 |.X cerr| = (int |
|00004f20| 2a 2a 29 20 6d 61 6c 6c | 6f 63 20 28 33 20 2a 20 |**) mall|oc (3 * |
|00004f30| 73 69 7a 65 6f 66 20 28 | 69 6e 74 20 2a 29 29 3b |sizeof (|int *));|
|00004f40| 0a 58 20 20 6c 65 72 72 | 20 3d 20 28 69 6e 74 20 |.X lerr| = (int |
|00004f50| 2a 2a 29 20 6d 61 6c 6c | 6f 63 20 28 33 20 2a 20 |**) mall|oc (3 * |
|00004f60| 73 69 7a 65 6f 66 20 28 | 69 6e 74 20 2a 29 29 3b |sizeof (|int *));|
|00004f70| 0a 58 20 20 63 65 72 72 | 5b 52 44 5d 20 3d 20 28 |.X cerr|[RD] = (|
|00004f80| 69 6e 74 20 2a 29 20 6d | 61 6c 6c 6f 63 20 28 77 |int *) m|alloc (w|
|00004f90| 69 64 74 68 20 2a 20 73 | 69 7a 65 6f 66 20 28 69 |idth * s|izeof (i|
|00004fa0| 6e 74 29 29 3b 0a 58 20 | 20 63 65 72 72 5b 47 52 |nt));.X | cerr[GR|
|00004fb0| 5d 20 3d 20 28 69 6e 74 | 20 2a 29 20 6d 61 6c 6c |] = (int| *) mall|
|00004fc0| 6f 63 20 28 77 69 64 74 | 68 20 2a 20 73 69 7a 65 |oc (widt|h * size|
|00004fd0| 6f 66 20 28 69 6e 74 29 | 29 3b 0a 58 20 20 63 65 |of (int)|);.X ce|
|00004fe0| 72 72 5b 42 4c 5d 20 3d | 20 28 69 6e 74 20 2a 29 |rr[BL] =| (int *)|
|00004ff0| 20 6d 61 6c 6c 6f 63 20 | 28 77 69 64 74 68 20 2a | malloc |(width *|
|00005000| 20 73 69 7a 65 6f 66 20 | 28 69 6e 74 29 29 3b 0a | sizeof |(int));.|
|00005010| 58 20 20 6c 65 72 72 5b | 52 44 5d 20 3d 20 28 69 |X lerr[|RD] = (i|
|00005020| 6e 74 20 2a 29 20 6d 61 | 6c 6c 6f 63 20 28 77 69 |nt *) ma|lloc (wi|
|00005030| 64 74 68 20 2a 20 73 69 | 7a 65 6f 66 20 28 69 6e |dth * si|zeof (in|
|00005040| 74 29 29 3b 0a 58 20 20 | 6c 65 72 72 5b 47 52 5d |t));.X |lerr[GR]|
|00005050| 20 3d 20 28 69 6e 74 20 | 2a 29 20 6d 61 6c 6c 6f | = (int |*) mallo|
|00005060| 63 20 28 77 69 64 74 68 | 20 2a 20 73 69 7a 65 6f |c (width| * sizeo|
|00005070| 66 20 28 69 6e 74 29 29 | 3b 0a 58 20 20 6c 65 72 |f (int))|;.X ler|
|00005080| 72 5b 42 4c 5d 20 3d 20 | 28 69 6e 74 20 2a 29 20 |r[BL] = |(int *) |
|00005090| 6d 61 6c 6c 6f 63 20 28 | 77 69 64 74 68 20 2a 20 |malloc (|width * |
|000050a0| 73 69 7a 65 6f 66 20 28 | 69 6e 74 29 29 3b 0a 58 |sizeof (|int));.X|
|000050b0| 20 20 0a 58 20 20 2f 2a | 2d 2d 2d 2d 2d 2d 2d 2d | .X /*|--------|
|000050c0| 20 4a 75 73 74 20 75 73 | 65 20 74 68 65 20 6e 65 | Just us|e the ne|
|000050d0| 61 72 65 73 74 20 63 6f | 6c 6f 72 20 65 76 65 72 |arest co|lor ever|
|000050e0| 79 77 68 65 72 65 20 2d | 2d 2d 2d 2d 2d 2d 2d 2a |ywhere -|-------*|
|000050f0| 2f 0a 58 20 20 69 66 20 | 28 21 64 69 74 68 65 72 |/.X if |(!dither|
|00005100| 29 0a 58 20 20 7b 0a 58 | 20 20 20 20 66 6f 72 20 |).X {.X| for |
|00005110| 28 6a 3d 30 3b 20 6a 3c | 68 65 69 67 68 74 3b 20 |(j=0; j<|height; |
|00005120| 6a 2b 2b 29 0a 58 20 20 | 20 20 7b 20 72 70 20 3d |j++).X | { rp =|
|00005130| 20 26 28 69 6e 70 75 74 | 2d 3e 62 6d 5b 6a 2a 72 | &(input|->bm[j*r|
|00005140| 6f 77 6c 65 6e 5d 29 3b | 0a 58 20 20 20 20 20 20 |owlen]);|.X |
|00005150| 67 70 20 3d 20 72 70 2b | 70 6c 6e 6c 65 6e 3b 0a |gp = rp+|plnlen;.|
|00005160| 58 20 20 20 20 20 20 62 | 70 20 3d 20 67 70 2b 70 |X b|p = gp+p|
|00005170| 6c 6e 6c 65 6e 3b 0a 58 | 20 20 20 20 20 20 6f 62 |lnlen;.X| ob|
|00005180| 6d 20 3d 20 26 28 6f 75 | 74 70 75 74 2d 3e 62 6d |m = &(ou|tput->bm|
|00005190| 5b 6a 2a 72 6f 77 6c 65 | 6e 5d 29 3b 0a 58 0a 58 |[j*rowle|n]);.X.X|
|000051a0| 20 20 20 20 20 20 66 6f | 72 20 28 69 3d 30 3b 20 | fo|r (i=0; |
|000051b0| 69 3c 77 69 64 74 68 3b | 20 69 2b 2b 29 0a 58 20 |i<width;| i++).X |
|000051c0| 20 20 20 20 20 7b 20 72 | 64 20 3d 20 2a 72 70 2b | { r|d = *rp+|
|000051d0| 2b 3b 20 67 72 20 3d 20 | 2a 67 70 2b 2b 3b 20 62 |+; gr = |*gp++; b|
|000051e0| 6c 20 3d 20 2a 62 70 2b | 2b 3b 0a 58 0a 58 20 20 |l = *bp+|+;.X.X |
|000051f0| 20 20 20 20 20 20 6f 62 | 6d 5b 69 5d 20 3d 20 63 | ob|m[i] = c|
|00005200| 6d 61 70 5b 6e 65 61 72 | 65 73 74 20 28 72 64 2c |map[near|est (rd,|
|00005210| 20 67 72 2c 20 62 6c 2c | 20 63 6d 61 70 2c 20 63 | gr, bl,| cmap, c|
|00005220| 6f 6c 6f 72 73 29 5d 2e | 69 6e 64 78 3b 0a 58 20 |olors)].|indx;.X |
|00005230| 20 20 20 20 20 7d 0a 58 | 20 20 20 20 7d 0a 58 20 | }.X| }.X |
|00005240| 20 20 20 0a 58 20 20 20 | 20 72 65 74 75 72 6e 3b | .X | return;|
|00005250| 0a 58 20 20 7d 0a 58 0a | 58 20 20 2f 2a 2d 2d 2d |.X }.X.|X /*---|
|00005260| 2d 2d 2d 20 4a 75 73 74 | 20 75 73 65 20 74 68 65 |--- Just| use the|
|00005270| 20 6e 65 61 72 65 73 74 | 20 63 6f 6c 6f 72 20 61 | nearest| color a|
|00005280| 72 6f 75 6e 64 20 74 68 | 65 20 6c 65 66 74 2c 20 |round th|e left, |
|00005290| 72 69 67 68 74 2c 20 61 | 6e 64 20 74 6f 70 20 2d |right, a|nd top -|
|000052a0| 2d 2d 2d 2d 2d 2a 2f 0a | 58 0a 58 20 20 2f 2a 20 |-----*/.|X.X /* |
|000052b0| 54 6f 70 20 62 6f 72 64 | 65 72 20 2a 2f 0a 58 20 |Top bord|er */.X |
|000052c0| 20 72 70 20 3d 20 69 6e | 70 75 74 2d 3e 62 6d 3b | rp = in|put->bm;|
|000052d0| 20 67 70 20 3d 20 72 70 | 2b 70 6c 6e 6c 65 6e 3b | gp = rp|+plnlen;|
|000052e0| 20 62 70 20 3d 20 67 70 | 2b 70 6c 6e 6c 65 6e 3b | bp = gp|+plnlen;|
|000052f0| 0a 58 20 20 6f 62 6d 20 | 3d 20 6f 75 74 70 75 74 |.X obm |= output|
|00005300| 2d 3e 62 6d 3b 0a 58 20 | 20 66 6f 72 20 28 69 3d |->bm;.X | for (i=|
|00005310| 30 3b 20 69 3c 77 69 64 | 74 68 3b 20 69 2b 2b 29 |0; i<wid|th; i++)|
|00005320| 0a 58 20 20 7b 20 6f 62 | 6d 5b 69 5d 20 3d 20 63 |.X { ob|m[i] = c|
|00005330| 6d 61 70 5b 6e 65 61 72 | 65 73 74 20 28 72 70 5b |map[near|est (rp[|
|00005340| 69 5d 2c 20 67 70 5b 69 | 5d 2c 20 62 70 5b 69 5d |i], gp[i|], bp[i]|
|00005350| 2c 20 63 6d 61 70 2c 20 | 63 6f 6c 6f 72 73 29 5d |, cmap, |colors)]|
|00005360| 2e 69 6e 64 78 3b 20 7d | 0a 58 0a 58 20 20 2f 2a |.indx; }|.X.X /*|
|00005370| 20 4c 65 66 74 20 62 6f | 72 64 65 72 20 2a 2f 0a | Left bo|rder */.|
|00005380| 58 20 20 72 70 20 3d 20 | 69 6e 70 75 74 2d 3e 62 |X rp = |input->b|
|00005390| 6d 3b 20 67 70 20 3d 20 | 72 70 2b 70 6c 6e 6c 65 |m; gp = |rp+plnle|
|000053a0| 6e 3b 20 62 70 20 3d 20 | 67 70 2b 70 6c 6e 6c 65 |n; bp = |gp+plnle|
|000053b0| 6e 3b 0a 58 20 20 6f 62 | 6d 20 3d 20 6f 75 74 70 |n;.X ob|m = outp|
|000053c0| 75 74 2d 3e 62 6d 3b 0a | 58 20 20 66 6f 72 20 28 |ut->bm;.|X for (|
|000053d0| 6a 3d 30 3b 20 6a 3c 68 | 65 69 67 68 74 3b 20 6a |j=0; j<h|eight; j|
|000053e0| 2b 2b 29 0a 58 20 20 7b | 20 6f 62 6d 5b 6a 2a 72 |++).X {| obm[j*r|
|000053f0| 6f 77 6c 65 6e 5d 20 3d | 20 63 6d 61 70 5b 6e 65 |owlen] =| cmap[ne|
|00005400| 61 72 65 73 74 20 28 72 | 70 5b 6a 2a 72 6f 77 6c |arest (r|p[j*rowl|
|00005410| 65 6e 5d 2c 20 67 70 5b | 6a 2a 72 6f 77 6c 65 6e |en], gp[|j*rowlen|
|00005420| 5d 2c 0a 58 09 09 09 20 | 62 70 5b 6a 2a 72 6f 77 |],.X... |bp[j*row|
|00005430| 6c 65 6e 5d 2c 20 63 6d | 61 70 2c 20 63 6f 6c 6f |len], cm|ap, colo|
|00005440| 72 73 29 5d 2e 69 6e 64 | 78 3b 20 7d 0a 58 0a 58 |rs)].ind|x; }.X.X|
|00005450| 20 20 2f 2a 20 52 69 67 | 68 74 20 62 6f 72 64 65 | /* Rig|ht borde|
|00005460| 72 20 2a 2f 0a 58 20 20 | 72 70 20 3d 20 26 28 69 |r */.X |rp = &(i|
|00005470| 6e 70 75 74 2d 3e 62 6d | 5b 77 69 64 74 68 2d 31 |nput->bm|[width-1|
|00005480| 5d 29 3b 20 67 70 20 3d | 20 72 70 20 2b 20 70 6c |]); gp =| rp + pl|
|00005490| 6e 6c 65 6e 3b 20 62 70 | 20 3d 20 67 70 20 2b 20 |nlen; bp| = gp + |
|000054a0| 70 6c 6e 6c 65 6e 3b 0a | 58 20 20 6f 62 6d 20 3d |plnlen;.|X obm =|
|000054b0| 20 26 28 6f 75 74 70 75 | 74 2d 3e 62 6d 5b 77 69 | &(outpu|t->bm[wi|
|000054c0| 64 74 68 2d 31 5d 29 3b | 0a 58 20 20 66 6f 72 20 |dth-1]);|.X for |
|000054d0| 28 6a 3d 30 3b 20 6a 3c | 68 65 69 67 68 74 3b 20 |(j=0; j<|height; |
|000054e0| 6a 2b 2b 29 0a 58 20 20 | 7b 20 6f 62 6d 5b 6a 2a |j++).X |{ obm[j*|
|000054f0| 72 6f 77 6c 65 6e 5d 20 | 3d 20 63 6d 61 70 5b 6e |rowlen] |= cmap[n|
|00005500| 65 61 72 65 73 74 20 28 | 72 70 5b 6a 2a 72 6f 77 |earest (|rp[j*row|
|00005510| 6c 65 6e 5d 2c 20 67 70 | 5b 6a 2a 72 6f 77 6c 65 |len], gp|[j*rowle|
|00005520| 6e 5d 2c 0a 58 09 09 09 | 09 20 20 62 70 5b 6a 2a |n],.X...|. bp[j*|
|00005530| 72 6f 77 6c 65 6e 5d 2c | 20 63 6d 61 70 2c 20 63 |rowlen],| cmap, c|
|00005540| 6f 6c 6f 72 73 29 5d 2e | 69 6e 64 78 3b 20 7d 0a |olors)].|indx; }.|
|00005550| 58 0a 58 20 20 2f 2a 2d | 2d 2d 2d 2d 2d 2d 2d 20 |X.X /*-|------- |
|00005560| 43 6c 65 61 72 20 65 72 | 72 6f 72 20 76 65 63 74 |Clear er|ror vect|
|00005570| 6f 72 73 20 2d 2d 2d 2d | 2d 2d 2d 2d 2a 2f 0a 58 |ors ----|----*/.X|
|00005580| 20 20 66 6f 72 20 28 69 | 3d 30 3b 20 69 3c 77 69 | for (i|=0; i<wi|
|00005590| 64 74 68 3b 20 69 2b 2b | 29 0a 58 20 20 7b 20 63 |dth; i++|).X { c|
|000055a0| 65 72 72 5b 52 44 5d 5b | 69 5d 20 3d 20 63 65 72 |err[RD][|i] = cer|
|000055b0| 72 5b 47 52 5d 5b 69 5d | 20 3d 20 63 65 72 72 5b |r[GR][i]| = cerr[|
|000055c0| 42 4c 5d 5b 69 5d 20 3d | 20 30 3b 0a 58 20 20 20 |BL][i] =| 0;.X |
|000055d0| 20 6c 65 72 72 5b 52 44 | 5d 5b 69 5d 20 3d 20 6c | lerr[RD|][i] = l|
|000055e0| 65 72 72 5b 47 52 5d 5b | 69 5d 20 3d 20 6c 65 72 |err[GR][|i] = ler|
|000055f0| 72 5b 42 4c 5d 5b 69 5d | 20 3d 20 30 3b 0a 58 20 |r[BL][i]| = 0;.X |
|00005600| 20 7d 0a 58 0a 58 20 20 | 2f 2a 2d 2d 2d 2d 2d 2d | }.X.X |/*------|
|00005610| 2d 2d 20 4d 61 6a 6f 72 | 20 6c 6f 6f 70 20 66 6f |-- Major| loop fo|
|00005620| 72 20 46 6c 6f 79 64 2d | 53 74 65 69 6e 62 65 72 |r Floyd-|Steinber|
|00005630| 67 20 2d 2d 2d 2d 2d 2d | 2d 2d 2a 2f 0a 58 20 20 |g ------|--*/.X |
|00005640| 66 6f 72 20 28 6a 3d 31 | 3b 20 6a 3c 68 65 69 67 |for (j=1|; j<heig|
|00005650| 68 74 3b 20 6a 2b 2b 29 | 0a 58 20 20 7b 20 72 70 |ht; j++)|.X { rp|
|00005660| 20 3d 20 26 28 69 6e 70 | 75 74 2d 3e 62 6d 5b 6a | = &(inp|ut->bm[j|
|00005670| 2a 72 6f 77 6c 65 6e 2b | 31 5d 29 3b 0a 58 20 20 |*rowlen+|1]);.X |
|00005680| 20 20 67 70 20 3d 20 72 | 70 2b 70 6c 6e 6c 65 6e | gp = r|p+plnlen|
|00005690| 3b 0a 58 20 20 20 20 62 | 70 20 3d 20 67 70 2b 70 |;.X b|p = gp+p|
|000056a0| 6c 6e 6c 65 6e 3b 0a 58 | 20 20 20 20 6f 62 6d 20 |lnlen;.X| obm |
|000056b0| 3d 20 26 28 6f 75 74 70 | 75 74 2d 3e 62 6d 5b 6a |= &(outp|ut->bm[j|
|000056c0| 2a 72 6f 77 6c 65 6e 2b | 31 5d 29 3b 0a 58 0a 58 |*rowlen+|1]);.X.X|
|000056d0| 20 20 20 20 66 6f 72 20 | 28 69 3d 31 3b 20 69 3c | for |(i=1; i<|
|000056e0| 77 69 64 74 68 2d 31 3b | 20 69 2b 2b 29 0a 58 20 |width-1;| i++).X |
|000056f0| 20 20 20 7b 20 72 64 20 | 3d 20 2a 72 70 2b 2b 3b | { rd |= *rp++;|
|00005700| 20 67 72 20 3d 20 2a 67 | 70 2b 2b 3b 20 62 6c 20 | gr = *g|p++; bl |
|00005710| 3d 20 2a 62 70 2b 2b 3b | 0a 58 0a 58 20 20 20 20 |= *bp++;|.X.X |
|00005720| 20 20 2f 2a 20 53 75 6d | 20 75 70 20 65 72 72 6f | /* Sum| up erro|
|00005730| 72 73 20 75 73 69 6e 67 | 20 46 6c 6f 79 64 2d 53 |rs using| Floyd-S|
|00005740| 74 65 69 6e 62 65 72 67 | 20 77 65 69 67 68 74 73 |teinberg| weights|
|00005750| 20 2a 2f 0a 58 20 20 20 | 20 20 20 72 64 65 72 72 | */.X | rderr|
|00005760| 3d 20 63 65 72 72 5b 52 | 44 5d 5b 69 2d 31 5d 20 |= cerr[R|D][i-1] |
|00005770| 2b 20 37 2a 6c 65 72 72 | 5b 52 44 5d 5b 69 2d 31 |+ 7*lerr|[RD][i-1|
|00005780| 5d 20 2b 20 35 2a 6c 65 | 72 72 5b 52 44 5d 5b 69 |] + 5*le|rr[RD][i|
|00005790| 5d 20 2b 20 33 2a 6c 65 | 72 72 5b 52 44 5d 5b 69 |] + 3*le|rr[RD][i|
|000057a0| 2b 31 5d 3b 0a 58 20 20 | 20 20 20 20 67 72 65 72 |+1];.X | grer|
|000057b0| 72 3d 20 63 65 72 72 5b | 47 52 5d 5b 69 2d 31 5d |r= cerr[|GR][i-1]|
|000057c0| 20 2b 20 37 2a 6c 65 72 | 72 5b 47 52 5d 5b 69 2d | + 7*ler|r[GR][i-|
|000057d0| 31 5d 20 2b 20 35 2a 6c | 65 72 72 5b 47 52 5d 5b |1] + 5*l|err[GR][|
|000057e0| 69 5d 20 2b 20 33 2a 6c | 65 72 72 5b 47 52 5d 5b |i] + 3*l|err[GR][|
|000057f0| 69 2b 31 5d 3b 0a 58 20 | 20 20 20 20 20 62 6c 65 |i+1];.X | ble|
|00005800| 72 72 3d 20 63 65 72 72 | 5b 42 4c 5d 5b 69 2d 31 |rr= cerr|[BL][i-1|
|00005810| 5d 20 2b 20 37 2a 6c 65 | 72 72 5b 42 4c 5d 5b 69 |] + 7*le|rr[BL][i|
|00005820| 2d 31 5d 20 2b 20 35 2a | 6c 65 72 72 5b 42 4c 5d |-1] + 5*|lerr[BL]|
|00005830| 5b 69 5d 20 2b 20 33 2a | 6c 65 72 72 5b 42 4c 5d |[i] + 3*|lerr[BL]|
|00005840| 5b 69 2b 31 5d 3b 0a 58 | 0a 58 20 20 20 20 20 20 |[i+1];.X|.X |
|00005850| 72 64 65 72 72 20 3e 3e | 3d 20 34 3b 09 2f 2a 20 |rderr >>|= 4;./* |
|00005860| 44 69 76 69 64 65 20 62 | 79 20 31 36 20 2a 2f 0a |Divide b|y 16 */.|
|00005870| 58 20 20 20 20 20 20 67 | 72 65 72 72 20 3e 3e 3d |X g|rerr >>=|
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+--------+-------------------------+-------------------------+--------+--------+
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