/usr/share/slib/mkclrnam.scm is in slib 3b1-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | ;;; "mkclrnam.scm" create color name databases
;Copyright 2001, 2002, 2003, 2007 Aubrey Jaffer
;
;Permission to copy this software, to modify it, to redistribute it,
;to distribute modified versions, and to use it for any purpose is
;granted, subject to the following restrictions and understandings.
;
;1. Any copy made of this software must include this copyright notice
;in full.
;
;2. I have made no warranty or representation that the operation of
;this software will be error-free, and I am under no obligation to
;provide any services, by way of maintenance, update, or otherwise.
;
;3. In conjunction with products arising from the use of this
;material, there shall be no use of my name in any advertising,
;promotional, or sales literature without prior written consent in
;each case.
(require 'string-search)
(require 'line-i/o)
(require 'scanf)
(require 'color)
(require 'color-names)
(require 'databases)
(require-if 'compiling 'filename)
;;@subsubheading Dictionary Creation
;;
;;@code{(require 'color-database)}
;;@ftindex color-database
;;@args file table-name rdb base-table-type
;;@args file table-name rdb
;;
;;@3 must be an open relational database or a string naming a relational
;;database file, @2 a symbol, and the string @1 must name an existing
;;file with colornames and their corresponding xRGB (6-digit hex)
;;values. @0 creates a table @2 in @3 and enters the associations found
;;in @1 into it.
(define (file->color-dictionary file table-name . *db*)
(define rdb (apply open-database! *db*))
(define-tables rdb
`(,table-name
((name string))
((color string)
(order ordinal))
()))
(let ((table ((rdb 'open-table) table-name #t)))
(and table (load-rgb-txt file table))))
;;@args url table-name rdb base-table-type
;;@args url table-name rdb
;;
;;@3 must be an open relational database or a string naming a relational
;;database file and @2 a symbol. @0 retrieves the resource named by the
;;string @1 using the @dfn{wget} program; then calls
;;@code{file->color-dictionary} to enter its associations in @2 in @1.
(define (url->color-dictionary url table-name . rdb)
(require 'filename)
(call-with-tmpnam
(lambda (file)
(system (string-append "wget -c -O" file " -USLIB" *slib-version* " " url))
(apply file->color-dictionary file table-name rdb))))
(define (load-rgb-txt path color-table)
(cond ((not (file-exists? path))
(slib:error 'load-color-dictionary! 'file-exists? path)))
(write 'load-rgb-txt) (display #\space) (write path) (newline)
(let ((color-table:row-insert (color-table 'row:insert))
(color-table:row-retrieve (color-table 'row:retrieve))
(method-id #f))
(define (floats->rgb . rgbi)
(apply color:sRGB
(map (lambda (x) (inexact->exact (round (* 255 x)))) rgbi)))
(define (parse-rgb-line line)
(let ((rgbx #f) (r #f) (g #f) (b #f)
(ri #f) (gi #f) (bi #f) (name #f) (junk #f) (ans #f))
(define (check-match line color1 . colors)
(cond ((null? colors) (color->string color1))
((> (CMC:DE* color1 (car colors)) 5.0)
(newline) (display line) (force-output)
(slib:warn (round (CMC:DE* color1 (car colors)))
'mismatch (color->string color1)
(color->string (car colors)))
(apply check-match line colors))
(else (apply check-match line colors))))
(for-each
(lambda (method)
(or ans
(let ((try (method line)))
(cond (try (set! ans try)
(display "**** Using method ")
(display method-id) (newline)
(set! parse-rgb-line method))))))
(list
(lambda (line)
(define use #f)
(case (sscanf line "%[^;]; red=%d, green=%d, blue=%d; hex=%6x; %[^.].%s"
name r g b rgbx use junk)
((6)
(set! method-id 'm6e)
(list (check-match line (xrgb->color rgbx) (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(define en #f) (define fr #f) (define de #f)
(define es #f) (define cz #f) (define hu #f)
(case (sscanf line "#%6x %[^ ] %[^ ] %[^ ] %[^ ] %[^ ] %[^ ]%s"
rgbx en fr de es cz hu junk)
((7)
(set! method-id 'm77)
(cons (check-match line (xRGB->color rgbx))
(map color-name:canonicalize (list en fr de es cz hu))))
(else #f)))
(lambda (line)
(case (sscanf line " %24[a-zA-Z0-9_ ] %d %d %d %e %e %e %s"
name r g b ri gi bi junk)
((7)
(set! method-id 'm7)
(list (check-match line (color:sRGB r g b) (floats->rgb ri gi bi))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %[a-zA-Z0-9_] %6x %d %d %d %e %e %e %s"
name rgbx r g b ri gi bi junk)
((8)
(set! method-id 'm8)
(list (check-match line (xrgb->color rgbx)
(color:sRGB r g b)
(floats->rgb ri gi bi))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %[a-zA-Z0-9] %6x %d,%d,%d" name rgbx r g b)
((5)
(set! method-id 'm5)
(list (check-match line (xrgb->color rgbx) (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %[- a-zA-Z0-9_'] #%6x %d %d %d %s"
name rgbx r g b junk)
((6 5)
(set! method-id 'm65)
(list (check-match line (xrgb->color rgbx) (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %d %d %d %[a-zA-Z0-9 ]%s" r g b name junk)
((4) (set! method-id 'm4a)
(list (check-match line (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %[- a-zA-Z.] %d %d %d %s"
name r g b junk)
((4) (set! method-id 'm4b)
(list (check-match line (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line "\" Resene %[^\"]\" %d %d %d %s"
name r g b junk)
((4) (set! method-id 'm4d)
(list (check-match line (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line "\" %[^\"]\" %d %d %d %s"
name r g b junk)
((4) (set! method-id 'm4c)
(list (check-match line (color:sRGB r g b))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line " %[a-zA-Z0-9_] #%x%6x%s" name rgbx junk)
((2) (set! method-id 'm2a)
(list (check-match line (xrgb->color rgbx))
(color-name:canonicalize name)))
(else #f)))
(lambda (line)
(case (sscanf line "%[- a-zA-Z']=#%6x<br>" name rgbx)
((2) (set! method-id 'm2b)
(let ((idx (substring? "rgb" name)))
(and (eqv? idx (+ -3 (string-length name)))
(list (check-match line (xrgb->color rgbx))
(color-name:canonicalize (substring name 0 idx))))))
(else #f)))
(lambda (line)
(case (sscanf line "\" %[^\"]\" %s" name junk)
((2) (set! method-id 'm2c)
(let ((clr (string->color junk)))
(and clr (list (check-match line clr)
(color-name:canonicalize name)))))
(else #f)))))
ans))
(define (numbered-gray? str)
(define idx #f)
(and (or (eqv? 0 (substring-ci? "gray" str))
(eqv? 0 (substring-ci? "grey" str)))
(eqv? 1 (sscanf (substring str 4 (string-length str))
"%d%s" idx str))))
(call-with-input-file path
(lambda (port)
(define *idx* 0)
(define *rcs-header* (read-line port))
(do ((line (read-line port) (read-line port)))
((eof-object? line)
(display "Inserted ") (display *idx*) (display " colors") (newline)
*rcs-header*)
(let ((colin (parse-rgb-line line)))
(cond ((equal? "" line))
;;((char=? #\# (string-ref line 0)))
((not colin) (write-line line))
((numbered-gray? (cadr colin)))
(else
(for-each
(lambda (name)
(let ((oclin (color-table:row-retrieve name)))
(cond
((and oclin (equal? (car colin) (cadr oclin))))
((not oclin)
(set! *idx* (+ 1 *idx*))
(color-table:row-insert
(list name (car colin) *idx*)))
(else (slib:warn 'collision colin oclin)))))
(cdr colin))))))))))
;;@noindent
;;This section has detailed the procedures for creating and loading
;;color dictionaries. So where are the dictionaries to load?
;;
;;@uref{http://swiss.csail.mit.edu/~jaffer/Color/Dictionaries.html}
;;
;;@noindent
;;Describes and evaluates several color-name dictionaries on the web.
;;The following procedure creates a database containing two of these
;;dictionaries.
;;@body
;;Creates an @r{alist-table} relational database in @r{library-vicinity}
;;containing the @dfn{Resene} and @dfn{saturate} color-name
;;dictionaries.
;;
;;If the files @file{resenecolours.txt}, @file{nbs-iscc.txt}, and
;;@file{saturate.txt} exist in the @r{library-vicinity}, then they
;;used as the source of color-name data. Otherwise, @0 calls
;;url->color-dictionary with the URLs of appropriate source files.
(define (make-slib-color-name-db)
(define cndb (create-database (in-vicinity (library-vicinity) "clrnamdb.scm")
'alist-table))
(or cndb (slib:error 'cannot 'create 'database "clrnamdb.scm"))
(for-each
(lambda (lst)
(apply
(lambda (url path name)
(define filename (in-vicinity (library-vicinity) path))
(if (file-exists? filename)
(file->color-dictionary filename name cndb)
(url->color-dictionary url name cndb)))
lst))
'(("http://swiss.csail.mit.edu/~jaffer/Color/saturate.txt"
"saturate.txt"
saturate)
("http://swiss.csail.mit.edu/~jaffer/Color/resenecolours.txt"
"resenecolours.txt"
resene)
("http://swiss.csail.mit.edu/~jaffer/Color/nbs-iscc.txt"
"nbs-iscc.txt"
nbs-iscc)))
(close-database cndb))
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