colour.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
   5  * Copyright (c) 2016 Avi Halachmi <avihpit@yahoo.com>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  16  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  17  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #include <sys/types.h>
  21
  22 #include <ctype.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <math.h>
  26
  27 #include "tmux.h"
  28
  29 static int
  30 colour_dist_sq(int R, int G, int B, int r, int g, int b)
  31 {
  32         return ((R - r) * (R - r) + (G - g) * (G - g) + (B - b) * (B - b));
  33 }
  34
  35 static int
  36 colour_to_6cube(int v)
  37 {
  38         if (v < 48)
  39                 return (0);
  40         if (v < 114)
  41                 return (1);
  42         return ((v - 35) / 40);
  43 }
  44
  45 /*
  46  * Convert an RGB triplet to the xterm(1) 256 colour palette.
  47  *
  48  * xterm provides a 6x6x6 colour cube (16 - 231) and 24 greys (232 - 255). We
  49  * map our RGB colour to the closest in the cube, also work out the closest
  50  * grey, and use the nearest of the two.
  51  *
  52  * Note that the xterm has much lower resolution for darker colours (they are
  53  * not evenly spread out), so our 6 levels are not evenly spread: 0x0, 0x5f
  54  * (95), 0x87 (135), 0xaf (175), 0xd7 (215) and 0xff (255). Greys are more
  55  * evenly spread (8, 18, 28 ... 238).
  56  */
  57 int
  58 colour_find_rgb(u_char r, u_char g, u_char b)
  59 {
  60         static const int        q2c[6] = { 0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff };
  61         int                     qr, qg, qb, cr, cg, cb, d, idx;
  62         int                     grey_avg, grey_idx, grey;
  63
  64         /* Map RGB to 6x6x6 cube. */
  65         qr = colour_to_6cube(r); cr = q2c[qr];
  66         qg = colour_to_6cube(g); cg = q2c[qg];
  67         qb = colour_to_6cube(b); cb = q2c[qb];
  68
  69         /* If we have hit the colour exactly, return early. */
  70         if (cr == r && cg == g && cb == b)
  71                 return ((16 + (36 * qr) + (6 * qg) + qb) | COLOUR_FLAG_256);
  72
  73         /* Work out the closest grey (average of RGB). */
  74         grey_avg = (r + g + b) / 3;
  75         if (grey_avg > 238)
  76                 grey_idx = 23;
  77         else
  78                 grey_idx = (grey_avg - 3) / 10;
  79         grey = 8 + (10 * grey_idx);
  80
  81         /* Is grey or 6x6x6 colour closest? */
  82         d = colour_dist_sq(cr, cg, cb, r, g, b);
  83         if (colour_dist_sq(grey, grey, grey, r, g, b) < d)
  84                 idx = 232 + grey_idx;
  85         else
  86                 idx = 16 + (36 * qr) + (6 * qg) + qb;
  87         return (idx | COLOUR_FLAG_256);
  88 }
  89
  90 /* Join RGB into a colour. */
  91 int
  92 colour_join_rgb(u_char r, u_char g, u_char b)
  93 {
  94         return ((((int)((r) & 0xff)) << 16) |
  95             (((int)((g) & 0xff)) << 8) |
  96             (((int)((b) & 0xff))) | COLOUR_FLAG_RGB);
  97 }
  98
  99 /* Split colour into RGB. */
 100 void
 101 colour_split_rgb(int c, u_char *r, u_char *g, u_char *b)
 102 {
 103         *r = (c >> 16) & 0xff;
 104         *g = (c >> 8) & 0xff;
 105         *b = c & 0xff;
 106 }
 107
 108 /* Force colour to RGB if not already. */
 109 int
 110 colour_force_rgb(int c)
 111 {
 112         if (c & COLOUR_FLAG_RGB)
 113                 return (c);
 114         if (c & COLOUR_FLAG_256)
 115                 return (colour_256toRGB(c));
 116         if (c >= 0 && c <= 7)
 117                 return (colour_256toRGB(c));
 118         if (c >= 90 && c <= 97)
 119                 return (colour_256toRGB(8 + c - 90));
 120         return (-1);
 121 }
 122
 123 /* Convert colour to a string. */
 124 const char *
 125 colour_tostring(int c)
 126 {
 127         static char     s[32];
 128         u_char          r, g, b;
 129
 130         if (c == -1)
 131                 return ("none");
 132
 133         if (c & COLOUR_FLAG_RGB) {
 134                 colour_split_rgb(c, &r, &g, &b);
 135                 xsnprintf(s, sizeof s, "#%02x%02x%02x", r, g, b);
 136                 return (s);
 137         }
 138
 139         if (c & COLOUR_FLAG_256) {
 140                 xsnprintf(s, sizeof s, "colour%u", c & 0xff);
 141                 return (s);
 142         }
 143
 144         switch (c) {
 145         case 0:
 146                 return ("black");
 147         case 1:
 148                 return ("red");
 149         case 2:
 150                 return ("green");
 151         case 3:
 152                 return ("yellow");
 153         case 4:
 154                 return ("blue");
 155         case 5:
 156                 return ("magenta");
 157         case 6:
 158                 return ("cyan");
 159         case 7:
 160                 return ("white");
 161         case 8:
 162                 return ("default");
 163         case 9:
 164                 return ("terminal");
 165         case 90:
 166                 return ("brightblack");
 167         case 91:
 168                 return ("brightred");
 169         case 92:
 170                 return ("brightgreen");
 171         case 93:
 172                 return ("brightyellow");
 173         case 94:
 174                 return ("brightblue");
 175         case 95:
 176                 return ("brightmagenta");
 177         case 96:
 178                 return ("brightcyan");
 179         case 97:
 180                 return ("brightwhite");
 181         }
 182         return ("invalid");
 183 }
 184
 185 /* Convert colour from string. */
 186 int
 187 colour_fromstring(const char *s)
 188 {
 189         const char      *errstr;
 190         const char      *cp;
 191         int              n;
 192         u_char           r, g, b;
 193
 194         if (*s == '#' && strlen(s) == 7) {
 195                 for (cp = s + 1; isxdigit((u_char) *cp); cp++)
 196                         ;
 197                 if (*cp != '\0')
 198                         return (-1);
 199                 n = sscanf(s + 1, "%2hhx%2hhx%2hhx", &r, &g, &b);
 200                 if (n != 3)
 201                         return (-1);
 202                 return (colour_join_rgb(r, g, b));
 203         }
 204
 205         if (strncasecmp(s, "colour", (sizeof "colour") - 1) == 0) {
 206                 n = strtonum(s + (sizeof "colour") - 1, 0, 255, &errstr);
 207                 if (errstr != NULL)
 208                         return (-1);
 209                 return (n | COLOUR_FLAG_256);
 210         }
 211         if (strncasecmp(s, "color", (sizeof "color") - 1) == 0) {
 212                 n = strtonum(s + (sizeof "color") - 1, 0, 255, &errstr);
 213                 if (errstr != NULL)
 214                         return (-1);
 215                 return (n | COLOUR_FLAG_256);
 216         }
 217
 218         if (strcasecmp(s, "default") == 0)
 219                 return (8);
 220         if (strcasecmp(s, "terminal") == 0)
 221                 return (9);
 222
 223         if (strcasecmp(s, "black") == 0 || strcmp(s, "0") == 0)
 224                 return (0);
 225         if (strcasecmp(s, "red") == 0 || strcmp(s, "1") == 0)
 226                 return (1);
 227         if (strcasecmp(s, "green") == 0 || strcmp(s, "2") == 0)
 228                 return (2);
 229         if (strcasecmp(s, "yellow") == 0 || strcmp(s, "3") == 0)
 230                 return (3);
 231         if (strcasecmp(s, "blue") == 0 || strcmp(s, "4") == 0)
 232                 return (4);
 233         if (strcasecmp(s, "magenta") == 0 || strcmp(s, "5") == 0)
 234                 return (5);
 235         if (strcasecmp(s, "cyan") == 0 || strcmp(s, "6") == 0)
 236                 return (6);
 237         if (strcasecmp(s, "white") == 0 || strcmp(s, "7") == 0)
 238                 return (7);
 239         if (strcasecmp(s, "brightblack") == 0 || strcmp(s, "90") == 0)
 240                 return (90);
 241         if (strcasecmp(s, "brightred") == 0 || strcmp(s, "91") == 0)
 242                 return (91);
 243         if (strcasecmp(s, "brightgreen") == 0 || strcmp(s, "92") == 0)
 244                 return (92);
 245         if (strcasecmp(s, "brightyellow") == 0 || strcmp(s, "93") == 0)
 246                 return (93);
 247         if (strcasecmp(s, "brightblue") == 0 || strcmp(s, "94") == 0)
 248                 return (94);
 249         if (strcasecmp(s, "brightmagenta") == 0 || strcmp(s, "95") == 0)
 250                 return (95);
 251         if (strcasecmp(s, "brightcyan") == 0 || strcmp(s, "96") == 0)
 252                 return (96);
 253         if (strcasecmp(s, "brightwhite") == 0 || strcmp(s, "97") == 0)
 254                 return (97);
 255         return (colour_byname(s));
 256 }
 257
 258 /* Convert 256 colour to RGB colour. */
 259 int
 260 colour_256toRGB(int c)
 261 {
 262         static const int table[256] = {
 263                 0x000000, 0x800000, 0x008000, 0x808000,
 264                 0x000080, 0x800080, 0x008080, 0xc0c0c0,
 265                 0x808080, 0xff0000, 0x00ff00, 0xffff00,
 266                 0x0000ff, 0xff00ff, 0x00ffff, 0xffffff,
 267                 0x000000, 0x00005f, 0x000087, 0x0000af,
 268                 0x0000d7, 0x0000ff, 0x005f00, 0x005f5f,
 269                 0x005f87, 0x005faf, 0x005fd7, 0x005fff,
 270                 0x008700, 0x00875f, 0x008787, 0x0087af,
 271                 0x0087d7, 0x0087ff, 0x00af00, 0x00af5f,
 272                 0x00af87, 0x00afaf, 0x00afd7, 0x00afff,
 273                 0x00d700, 0x00d75f, 0x00d787, 0x00d7af,
 274                 0x00d7d7, 0x00d7ff, 0x00ff00, 0x00ff5f,
 275                 0x00ff87, 0x00ffaf, 0x00ffd7, 0x00ffff,
 276                 0x5f0000, 0x5f005f, 0x5f0087, 0x5f00af,
 277                 0x5f00d7, 0x5f00ff, 0x5f5f00, 0x5f5f5f,
 278                 0x5f5f87, 0x5f5faf, 0x5f5fd7, 0x5f5fff,
 279                 0x5f8700, 0x5f875f, 0x5f8787, 0x5f87af,
 280                 0x5f87d7, 0x5f87ff, 0x5faf00, 0x5faf5f,
 281                 0x5faf87, 0x5fafaf, 0x5fafd7, 0x5fafff,
 282                 0x5fd700, 0x5fd75f, 0x5fd787, 0x5fd7af,
 283                 0x5fd7d7, 0x5fd7ff, 0x5fff00, 0x5fff5f,
 284                 0x5fff87, 0x5fffaf, 0x5fffd7, 0x5fffff,
 285                 0x870000, 0x87005f, 0x870087, 0x8700af,
 286                 0x8700d7, 0x8700ff, 0x875f00, 0x875f5f,
 287                 0x875f87, 0x875faf, 0x875fd7, 0x875fff,
 288                 0x878700, 0x87875f, 0x878787, 0x8787af,
 289                 0x8787d7, 0x8787ff, 0x87af00, 0x87af5f,
 290                 0x87af87, 0x87afaf, 0x87afd7, 0x87afff,
 291                 0x87d700, 0x87d75f, 0x87d787, 0x87d7af,
 292                 0x87d7d7, 0x87d7ff, 0x87ff00, 0x87ff5f,
 293                 0x87ff87, 0x87ffaf, 0x87ffd7, 0x87ffff,
 294                 0xaf0000, 0xaf005f, 0xaf0087, 0xaf00af,
 295                 0xaf00d7, 0xaf00ff, 0xaf5f00, 0xaf5f5f,
 296                 0xaf5f87, 0xaf5faf, 0xaf5fd7, 0xaf5fff,
 297                 0xaf8700, 0xaf875f, 0xaf8787, 0xaf87af,
 298                 0xaf87d7, 0xaf87ff, 0xafaf00, 0xafaf5f,
 299                 0xafaf87, 0xafafaf, 0xafafd7, 0xafafff,
 300                 0xafd700, 0xafd75f, 0xafd787, 0xafd7af,
 301                 0xafd7d7, 0xafd7ff, 0xafff00, 0xafff5f,
 302                 0xafff87, 0xafffaf, 0xafffd7, 0xafffff,
 303                 0xd70000, 0xd7005f, 0xd70087, 0xd700af,
 304                 0xd700d7, 0xd700ff, 0xd75f00, 0xd75f5f,
 305                 0xd75f87, 0xd75faf, 0xd75fd7, 0xd75fff,
 306                 0xd78700, 0xd7875f, 0xd78787, 0xd787af,
 307                 0xd787d7, 0xd787ff, 0xd7af00, 0xd7af5f,
 308                 0xd7af87, 0xd7afaf, 0xd7afd7, 0xd7afff,
 309                 0xd7d700, 0xd7d75f, 0xd7d787, 0xd7d7af,
 310                 0xd7d7d7, 0xd7d7ff, 0xd7ff00, 0xd7ff5f,
 311                 0xd7ff87, 0xd7ffaf, 0xd7ffd7, 0xd7ffff,
 312                 0xff0000, 0xff005f, 0xff0087, 0xff00af,
 313                 0xff00d7, 0xff00ff, 0xff5f00, 0xff5f5f,
 314                 0xff5f87, 0xff5faf, 0xff5fd7, 0xff5fff,
 315                 0xff8700, 0xff875f, 0xff8787, 0xff87af,
 316                 0xff87d7, 0xff87ff, 0xffaf00, 0xffaf5f,
 317                 0xffaf87, 0xffafaf, 0xffafd7, 0xffafff,
 318                 0xffd700, 0xffd75f, 0xffd787, 0xffd7af,
 319                 0xffd7d7, 0xffd7ff, 0xffff00, 0xffff5f,
 320                 0xffff87, 0xffffaf, 0xffffd7, 0xffffff,
 321                 0x080808, 0x121212, 0x1c1c1c, 0x262626,
 322                 0x303030, 0x3a3a3a, 0x444444, 0x4e4e4e,
 323                 0x585858, 0x626262, 0x6c6c6c, 0x767676,
 324                 0x808080, 0x8a8a8a, 0x949494, 0x9e9e9e,
 325                 0xa8a8a8, 0xb2b2b2, 0xbcbcbc, 0xc6c6c6,
 326                 0xd0d0d0, 0xdadada, 0xe4e4e4, 0xeeeeee
 327         };
 328
 329         return (table[c & 0xff] | COLOUR_FLAG_RGB);
 330 }
 331
 332 /* Convert 256 colour to 16 colour. */
 333 int
 334 colour_256to16(int c)
 335 {
 336         static const char table[256] = {
 337                  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
 338                  0,  4,  4,  4, 12, 12,  2,  6,  4,  4, 12, 12,  2,  2,  6,  4,
 339                 12, 12,  2,  2,  2,  6, 12, 12, 10, 10, 10, 10, 14, 12, 10, 10,
 340                 10, 10, 10, 14,  1,  5,  4,  4, 12, 12,  3,  8,  4,  4, 12, 12,
 341                  2,  2,  6,  4, 12, 12,  2,  2,  2,  6, 12, 12, 10, 10, 10, 10,
 342                 14, 12, 10, 10, 10, 10, 10, 14,  1,  1,  5,  4, 12, 12,  1,  1,
 343                  5,  4, 12, 12,  3,  3,  8,  4, 12, 12,  2,  2,  2,  6, 12, 12,
 344                 10, 10, 10, 10, 14, 12, 10, 10, 10, 10, 10, 14,  1,  1,  1,  5,
 345                 12, 12,  1,  1,  1,  5, 12, 12,  1,  1,  1,  5, 12, 12,  3,  3,
 346                  3,  7, 12, 12, 10, 10, 10, 10, 14, 12, 10, 10, 10, 10, 10, 14,
 347                  9,  9,  9,  9, 13, 12,  9,  9,  9,  9, 13, 12,  9,  9,  9,  9,
 348                 13, 12,  9,  9,  9,  9, 13, 12, 11, 11, 11, 11,  7, 12, 10, 10,
 349                 10, 10, 10, 14,  9,  9,  9,  9,  9, 13,  9,  9,  9,  9,  9, 13,
 350                  9,  9,  9,  9,  9, 13,  9,  9,  9,  9,  9, 13,  9,  9,  9,  9,
 351                  9, 13, 11, 11, 11, 11, 11, 15,  0,  0,  0,  0,  0,  0,  8,  8,
 352                  8,  8,  8,  8,  7,  7,  7,  7,  7,  7, 15, 15, 15, 15, 15, 15
 353         };
 354
 355         return (table[c & 0xff]);
 356 }
 357
 358 /* Get colour by X11 colour name. */
 359 int
 360 colour_byname(const char *name)
 361 {
 362         static const struct {
 363                 const char      *name;
 364                 int              c;
 365         } colours[] = {
 366                 { "AliceBlue", 0xf0f8ff },
 367                 { "AntiqueWhite", 0xfaebd7 },
 368                 { "AntiqueWhite1", 0xffefdb },
 369                 { "AntiqueWhite2", 0xeedfcc },
 370                 { "AntiqueWhite3", 0xcdc0b0 },
 371                 { "AntiqueWhite4", 0x8b8378 },
 372                 { "BlanchedAlmond", 0xffebcd },
 373                 { "BlueViolet", 0x8a2be2 },
 374                 { "CadetBlue", 0x5f9ea0 },
 375                 { "CadetBlue1", 0x98f5ff },
 376                 { "CadetBlue2", 0x8ee5ee },
 377                 { "CadetBlue3", 0x7ac5cd },
 378                 { "CadetBlue4", 0x53868b },
 379                 { "CornflowerBlue", 0x6495ed },
 380                 { "DarkBlue", 0x00008b },
 381                 { "DarkCyan", 0x008b8b },
 382                 { "DarkGoldenrod", 0xb8860b },
 383                 { "DarkGoldenrod1", 0xffb90f },
 384                 { "DarkGoldenrod2", 0xeead0e },
 385                 { "DarkGoldenrod3", 0xcd950c },
 386                 { "DarkGoldenrod4", 0x8b6508 },
 387                 { "DarkGray", 0xa9a9a9 },
 388                 { "DarkGreen", 0x006400 },
 389                 { "DarkGrey", 0xa9a9a9 },
 390                 { "DarkKhaki", 0xbdb76b },
 391                 { "DarkMagenta", 0x8b008b },
 392                 { "DarkOliveGreen", 0x556b2f },
 393                 { "DarkOliveGreen1", 0xcaff70 },
 394                 { "DarkOliveGreen2", 0xbcee68 },
 395                 { "DarkOliveGreen3", 0xa2cd5a },
 396                 { "DarkOliveGreen4", 0x6e8b3d },
 397                 { "DarkOrange", 0xff8c00 },
 398                 { "DarkOrange1", 0xff7f00 },
 399                 { "DarkOrange2", 0xee7600 },
 400                 { "DarkOrange3", 0xcd6600 },
 401                 { "DarkOrange4", 0x8b4500 },
 402                 { "DarkOrchid", 0x9932cc },
 403                 { "DarkOrchid1", 0xbf3eff },
 404                 { "DarkOrchid2", 0xb23aee },
 405                 { "DarkOrchid3", 0x9a32cd },
 406                 { "DarkOrchid4", 0x68228b },
 407                 { "DarkRed", 0x8b0000 },
 408                 { "DarkSalmon", 0xe9967a },
 409                 { "DarkSeaGreen", 0x8fbc8f },
 410                 { "DarkSeaGreen1", 0xc1ffc1 },
 411                 { "DarkSeaGreen2", 0xb4eeb4 },
 412                 { "DarkSeaGreen3", 0x9bcd9b },
 413                 { "DarkSeaGreen4", 0x698b69 },
 414                 { "DarkSlateBlue", 0x483d8b },
 415                 { "DarkSlateGray", 0x2f4f4f },
 416                 { "DarkSlateGray1", 0x97ffff },
 417                 { "DarkSlateGray2", 0x8deeee },
 418                 { "DarkSlateGray3", 0x79cdcd },
 419                 { "DarkSlateGray4", 0x528b8b },
 420                 { "DarkSlateGrey", 0x2f4f4f },
 421                 { "DarkTurquoise", 0x00ced1 },
 422                 { "DarkViolet", 0x9400d3 },
 423                 { "DeepPink", 0xff1493 },
 424                 { "DeepPink1", 0xff1493 },
 425                 { "DeepPink2", 0xee1289 },
 426                 { "DeepPink3", 0xcd1076 },
 427                 { "DeepPink4", 0x8b0a50 },
 428                 { "DeepSkyBlue", 0x00bfff },
 429                 { "DeepSkyBlue1", 0x00bfff },
 430                 { "DeepSkyBlue2", 0x00b2ee },
 431                 { "DeepSkyBlue3", 0x009acd },
 432                 { "DeepSkyBlue4", 0x00688b },
 433                 { "DimGray", 0x696969 },
 434                 { "DimGrey", 0x696969 },
 435                 { "DodgerBlue", 0x1e90ff },
 436                 { "DodgerBlue1", 0x1e90ff },
 437                 { "DodgerBlue2", 0x1c86ee },
 438                 { "DodgerBlue3", 0x1874cd },
 439                 { "DodgerBlue4", 0x104e8b },
 440                 { "FloralWhite", 0xfffaf0 },
 441                 { "ForestGreen", 0x228b22 },
 442                 { "GhostWhite", 0xf8f8ff },
 443                 { "GreenYellow", 0xadff2f },
 444                 { "HotPink", 0xff69b4 },
 445                 { "HotPink1", 0xff6eb4 },
 446                 { "HotPink2", 0xee6aa7 },
 447                 { "HotPink3", 0xcd6090 },
 448                 { "HotPink4", 0x8b3a62 },
 449                 { "IndianRed", 0xcd5c5c },
 450                 { "IndianRed1", 0xff6a6a },
 451                 { "IndianRed2", 0xee6363 },
 452                 { "IndianRed3", 0xcd5555 },
 453                 { "IndianRed4", 0x8b3a3a },
 454                 { "LavenderBlush", 0xfff0f5 },
 455                 { "LavenderBlush1", 0xfff0f5 },
 456                 { "LavenderBlush2", 0xeee0e5 },
 457                 { "LavenderBlush3", 0xcdc1c5 },
 458                 { "LavenderBlush4", 0x8b8386 },
 459                 { "LawnGreen", 0x7cfc00 },
 460                 { "LemonChiffon", 0xfffacd },
 461                 { "LemonChiffon1", 0xfffacd },
 462                 { "LemonChiffon2", 0xeee9bf },
 463                 { "LemonChiffon3", 0xcdc9a5 },
 464                 { "LemonChiffon4", 0x8b8970 },
 465                 { "LightBlue", 0xadd8e6 },
 466                 { "LightBlue1", 0xbfefff },
 467                 { "LightBlue2", 0xb2dfee },
 468                 { "LightBlue3", 0x9ac0cd },
 469                 { "LightBlue4", 0x68838b },
 470                 { "LightCoral", 0xf08080 },
 471                 { "LightCyan", 0xe0ffff },
 472                 { "LightCyan1", 0xe0ffff },
 473                 { "LightCyan2", 0xd1eeee },
 474                 { "LightCyan3", 0xb4cdcd },
 475                 { "LightCyan4", 0x7a8b8b },
 476                 { "LightGoldenrod", 0xeedd82 },
 477                 { "LightGoldenrod1", 0xffec8b },
 478                 { "LightGoldenrod2", 0xeedc82 },
 479                 { "LightGoldenrod3", 0xcdbe70 },
 480                 { "LightGoldenrod4", 0x8b814c },
 481                 { "LightGoldenrodYellow", 0xfafad2 },
 482                 { "LightGray", 0xd3d3d3 },
 483                 { "LightGreen", 0x90ee90 },
 484                 { "LightGrey", 0xd3d3d3 },
 485                 { "LightPink", 0xffb6c1 },
 486                 { "LightPink1", 0xffaeb9 },
 487                 { "LightPink2", 0xeea2ad },
 488                 { "LightPink3", 0xcd8c95 },
 489                 { "LightPink4", 0x8b5f65 },
 490                 { "LightSalmon", 0xffa07a },
 491                 { "LightSalmon1", 0xffa07a },
 492                 { "LightSalmon2", 0xee9572 },
 493                 { "LightSalmon3", 0xcd8162 },
 494                 { "LightSalmon4", 0x8b5742 },
 495                 { "LightSeaGreen", 0x20b2aa },
 496                 { "LightSkyBlue", 0x87cefa },
 497                 { "LightSkyBlue1", 0xb0e2ff },
 498                 { "LightSkyBlue2", 0xa4d3ee },
 499                 { "LightSkyBlue3", 0x8db6cd },
 500                 { "LightSkyBlue4", 0x607b8b },
 501                 { "LightSlateBlue", 0x8470ff },
 502                 { "LightSlateGray", 0x778899 },
 503                 { "LightSlateGrey", 0x778899 },
 504                 { "LightSteelBlue", 0xb0c4de },
 505                 { "LightSteelBlue1", 0xcae1ff },
 506                 { "LightSteelBlue2", 0xbcd2ee },
 507                 { "LightSteelBlue3", 0xa2b5cd },
 508                 { "LightSteelBlue4", 0x6e7b8b },
 509                 { "LightYellow", 0xffffe0 },
 510                 { "LightYellow1", 0xffffe0 },
 511                 { "LightYellow2", 0xeeeed1 },
 512                 { "LightYellow3", 0xcdcdb4 },
 513                 { "LightYellow4", 0x8b8b7a },
 514                 { "LimeGreen", 0x32cd32 },
 515                 { "MediumAquamarine", 0x66cdaa },
 516                 { "MediumBlue", 0x0000cd },
 517                 { "MediumOrchid", 0xba55d3 },
 518                 { "MediumOrchid1", 0xe066ff },
 519                 { "MediumOrchid2", 0xd15fee },
 520                 { "MediumOrchid3", 0xb452cd },
 521                 { "MediumOrchid4", 0x7a378b },
 522                 { "MediumPurple", 0x9370db },
 523                 { "MediumPurple1", 0xab82ff },
 524                 { "MediumPurple2", 0x9f79ee },
 525                 { "MediumPurple3", 0x8968cd },
 526                 { "MediumPurple4", 0x5d478b },
 527                 { "MediumSeaGreen", 0x3cb371 },
 528                 { "MediumSlateBlue", 0x7b68ee },
 529                 { "MediumSpringGreen", 0x00fa9a },
 530                 { "MediumTurquoise", 0x48d1cc },
 531                 { "MediumVioletRed", 0xc71585 },
 532                 { "MidnightBlue", 0x191970 },
 533                 { "MintCream", 0xf5fffa },
 534                 { "MistyRose", 0xffe4e1 },
 535                 { "MistyRose1", 0xffe4e1 },
 536                 { "MistyRose2", 0xeed5d2 },
 537                 { "MistyRose3", 0xcdb7b5 },
 538                 { "MistyRose4", 0x8b7d7b },
 539                 { "NavajoWhite", 0xffdead },
 540                 { "NavajoWhite1", 0xffdead },
 541                 { "NavajoWhite2", 0xeecfa1 },
 542                 { "NavajoWhite3", 0xcdb38b },
 543                 { "NavajoWhite4", 0x8b795e },
 544                 { "NavyBlue", 0x000080 },
 545                 { "OldLace", 0xfdf5e6 },
 546                 { "OliveDrab", 0x6b8e23 },
 547                 { "OliveDrab1", 0xc0ff3e },
 548                 { "OliveDrab2", 0xb3ee3a },
 549                 { "OliveDrab3", 0x9acd32 },
 550                 { "OliveDrab4", 0x698b22 },
 551                 { "OrangeRed", 0xff4500 },
 552                 { "OrangeRed1", 0xff4500 },
 553                 { "OrangeRed2", 0xee4000 },
 554                 { "OrangeRed3", 0xcd3700 },
 555                 { "OrangeRed4", 0x8b2500 },
 556                 { "PaleGoldenrod", 0xeee8aa },
 557                 { "PaleGreen", 0x98fb98 },
 558                 { "PaleGreen1", 0x9aff9a },
 559                 { "PaleGreen2", 0x90ee90 },
 560                 { "PaleGreen3", 0x7ccd7c },
 561                 { "PaleGreen4", 0x548b54 },
 562                 { "PaleTurquoise", 0xafeeee },
 563                 { "PaleTurquoise1", 0xbbffff },
 564                 { "PaleTurquoise2", 0xaeeeee },
 565                 { "PaleTurquoise3", 0x96cdcd },
 566                 { "PaleTurquoise4", 0x668b8b },
 567                 { "PaleVioletRed", 0xdb7093 },
 568                 { "PaleVioletRed1", 0xff82ab },
 569                 { "PaleVioletRed2", 0xee799f },
 570                 { "PaleVioletRed3", 0xcd6889 },
 571                 { "PaleVioletRed4", 0x8b475d },
 572                 { "PapayaWhip", 0xffefd5 },
 573                 { "PeachPuff", 0xffdab9 },
 574                 { "PeachPuff1", 0xffdab9 },
 575                 { "PeachPuff2", 0xeecbad },
 576                 { "PeachPuff3", 0xcdaf95 },
 577                 { "PeachPuff4", 0x8b7765 },
 578                 { "PowderBlue", 0xb0e0e6 },
 579                 { "RebeccaPurple", 0x663399 },
 580                 { "RosyBrown", 0xbc8f8f },
 581                 { "RosyBrown1", 0xffc1c1 },
 582                 { "RosyBrown2", 0xeeb4b4 },
 583                 { "RosyBrown3", 0xcd9b9b },
 584                 { "RosyBrown4", 0x8b6969 },
 585                 { "RoyalBlue", 0x4169e1 },
 586                 { "RoyalBlue1", 0x4876ff },
 587                 { "RoyalBlue2", 0x436eee },
 588                 { "RoyalBlue3", 0x3a5fcd },
 589                 { "RoyalBlue4", 0x27408b },
 590                 { "SaddleBrown", 0x8b4513 },
 591                 { "SandyBrown", 0xf4a460 },
 592                 { "SeaGreen", 0x2e8b57 },
 593                 { "SeaGreen1", 0x54ff9f },
 594                 { "SeaGreen2", 0x4eee94 },
 595                 { "SeaGreen3", 0x43cd80 },
 596                 { "SeaGreen4", 0x2e8b57 },
 597                 { "SkyBlue", 0x87ceeb },
 598                 { "SkyBlue1", 0x87ceff },
 599                 { "SkyBlue2", 0x7ec0ee },
 600                 { "SkyBlue3", 0x6ca6cd },
 601                 { "SkyBlue4", 0x4a708b },
 602                 { "SlateBlue", 0x6a5acd },
 603                 { "SlateBlue1", 0x836fff },
 604                 { "SlateBlue2", 0x7a67ee },
 605                 { "SlateBlue3", 0x6959cd },
 606                 { "SlateBlue4", 0x473c8b },
 607                 { "SlateGray", 0x708090 },
 608                 { "SlateGray1", 0xc6e2ff },
 609                 { "SlateGray2", 0xb9d3ee },
 610                 { "SlateGray3", 0x9fb6cd },
 611                 { "SlateGray4", 0x6c7b8b },
 612                 { "SlateGrey", 0x708090 },
 613                 { "SpringGreen", 0x00ff7f },
 614                 { "SpringGreen1", 0x00ff7f },
 615                 { "SpringGreen2", 0x00ee76 },
 616                 { "SpringGreen3", 0x00cd66 },
 617                 { "SpringGreen4", 0x008b45 },
 618                 { "SteelBlue", 0x4682b4 },
 619                 { "SteelBlue1", 0x63b8ff },
 620                 { "SteelBlue2", 0x5cacee },
 621                 { "SteelBlue3", 0x4f94cd },
 622                 { "SteelBlue4", 0x36648b },
 623                 { "VioletRed", 0xd02090 },
 624                 { "VioletRed1", 0xff3e96 },
 625                 { "VioletRed2", 0xee3a8c },
 626                 { "VioletRed3", 0xcd3278 },
 627                 { "VioletRed4", 0x8b2252 },
 628                 { "WebGray", 0x808080 },
 629                 { "WebGreen", 0x008000 },
 630                 { "WebGrey", 0x808080 },
 631                 { "WebMaroon", 0x800000 },
 632                 { "WebPurple", 0x800080 },
 633                 { "WhiteSmoke", 0xf5f5f5 },
 634                 { "X11Gray", 0xbebebe },
 635                 { "X11Green", 0x00ff00 },
 636                 { "X11Grey", 0xbebebe },
 637                 { "X11Maroon", 0xb03060 },
 638                 { "X11Purple", 0xa020f0 },
 639                 { "YellowGreen", 0x9acd32 },
 640                 { "alice blue", 0xf0f8ff },
 641                 { "antique white", 0xfaebd7 },
 642                 { "aqua", 0x00ffff },
 643                 { "aquamarine", 0x7fffd4 },
 644                 { "aquamarine1", 0x7fffd4 },
 645                 { "aquamarine2", 0x76eec6 },
 646                 { "aquamarine3", 0x66cdaa },
 647                 { "aquamarine4", 0x458b74 },
 648                 { "azure", 0xf0ffff },
 649                 { "azure1", 0xf0ffff },
 650                 { "azure2", 0xe0eeee },
 651                 { "azure3", 0xc1cdcd },
 652                 { "azure4", 0x838b8b },
 653                 { "beige", 0xf5f5dc },
 654                 { "bisque", 0xffe4c4 },
 655                 { "bisque1", 0xffe4c4 },
 656                 { "bisque2", 0xeed5b7 },
 657                 { "bisque3", 0xcdb79e },
 658                 { "bisque4", 0x8b7d6b },
 659                 { "black", 0x000000 },
 660                 { "blanched almond", 0xffebcd },
 661                 { "blue violet", 0x8a2be2 },
 662                 { "blue", 0x0000ff },
 663                 { "blue1", 0x0000ff },
 664                 { "blue2", 0x0000ee },
 665                 { "blue3", 0x0000cd },
 666                 { "blue4", 0x00008b },
 667                 { "brown", 0xa52a2a },
 668                 { "brown1", 0xff4040 },
 669                 { "brown2", 0xee3b3b },
 670                 { "brown3", 0xcd3333 },
 671                 { "brown4", 0x8b2323 },
 672                 { "burlywood", 0xdeb887 },
 673                 { "burlywood1", 0xffd39b },
 674                 { "burlywood2", 0xeec591 },
 675                 { "burlywood3", 0xcdaa7d },
 676                 { "burlywood4", 0x8b7355 },
 677                 { "cadet blue", 0x5f9ea0 },
 678                 { "chartreuse", 0x7fff00 },
 679                 { "chartreuse1", 0x7fff00 },
 680                 { "chartreuse2", 0x76ee00 },
 681                 { "chartreuse3", 0x66cd00 },
 682                 { "chartreuse4", 0x458b00 },
 683                 { "chocolate", 0xd2691e },
 684                 { "chocolate1", 0xff7f24 },
 685                 { "chocolate2", 0xee7621 },
 686                 { "chocolate3", 0xcd661d },
 687                 { "chocolate4", 0x8b4513 },
 688                 { "coral", 0xff7f50 },
 689                 { "coral1", 0xff7256 },
 690                 { "coral2", 0xee6a50 },
 691                 { "coral3", 0xcd5b45 },
 692                 { "coral4", 0x8b3e2f },
 693                 { "cornflower blue", 0x6495ed },
 694                 { "cornsilk", 0xfff8dc },
 695                 { "cornsilk1", 0xfff8dc },
 696                 { "cornsilk2", 0xeee8cd },
 697                 { "cornsilk3", 0xcdc8b1 },
 698                 { "cornsilk4", 0x8b8878 },
 699                 { "crimson", 0xdc143c },
 700                 { "cyan", 0x00ffff },
 701                 { "cyan1", 0x00ffff },
 702                 { "cyan2", 0x00eeee },
 703                 { "cyan3", 0x00cdcd },
 704                 { "cyan4", 0x008b8b },
 705                 { "dark blue", 0x00008b },
 706                 { "dark cyan", 0x008b8b },
 707                 { "dark goldenrod", 0xb8860b },
 708                 { "dark gray", 0xa9a9a9 },
 709                 { "dark green", 0x006400 },
 710                 { "dark grey", 0xa9a9a9 },
 711                 { "dark khaki", 0xbdb76b },
 712                 { "dark magenta", 0x8b008b },
 713                 { "dark olive green", 0x556b2f },
 714                 { "dark orange", 0xff8c00 },
 715                 { "dark orchid", 0x9932cc },
 716                 { "dark red", 0x8b0000 },
 717                 { "dark salmon", 0xe9967a },
 718                 { "dark sea green", 0x8fbc8f },
 719                 { "dark slate blue", 0x483d8b },
 720                 { "dark slate gray", 0x2f4f4f },
 721                 { "dark slate grey", 0x2f4f4f },
 722                 { "dark turquoise", 0x00ced1 },
 723                 { "dark violet", 0x9400d3 },
 724                 { "deep pink", 0xff1493 },
 725                 { "deep sky blue", 0x00bfff },
 726                 { "dim gray", 0x696969 },
 727                 { "dim grey", 0x696969 },
 728                 { "dodger blue", 0x1e90ff },
 729                 { "firebrick", 0xb22222 },
 730                 { "firebrick1", 0xff3030 },
 731                 { "firebrick2", 0xee2c2c },
 732                 { "firebrick3", 0xcd2626 },
 733                 { "firebrick4", 0x8b1a1a },
 734                 { "floral white", 0xfffaf0 },
 735                 { "forest green", 0x228b22 },
 736                 { "fuchsia", 0xff00ff },
 737                 { "gainsboro", 0xdcdcdc },
 738                 { "ghost white", 0xf8f8ff },
 739                 { "gold", 0xffd700 },
 740                 { "gold1", 0xffd700 },
 741                 { "gold2", 0xeec900 },
 742                 { "gold3", 0xcdad00 },
 743                 { "gold4", 0x8b7500 },
 744                 { "goldenrod", 0xdaa520 },
 745                 { "goldenrod1", 0xffc125 },
 746                 { "goldenrod2", 0xeeb422 },
 747                 { "goldenrod3", 0xcd9b1d },
 748                 { "goldenrod4", 0x8b6914 },
 749                 { "green yellow", 0xadff2f },
 750                 { "green", 0x00ff00 },
 751                 { "green1", 0x00ff00 },
 752                 { "green2", 0x00ee00 },
 753                 { "green3", 0x00cd00 },
 754                 { "green4", 0x008b00 },
 755                 { "honeydew", 0xf0fff0 },
 756                 { "honeydew1", 0xf0fff0 },
 757                 { "honeydew2", 0xe0eee0 },
 758                 { "honeydew3", 0xc1cdc1 },
 759                 { "honeydew4", 0x838b83 },
 760                 { "hot pink", 0xff69b4 },
 761                 { "indian red", 0xcd5c5c },
 762                 { "indigo", 0x4b0082 },
 763                 { "ivory", 0xfffff0 },
 764                 { "ivory1", 0xfffff0 },
 765                 { "ivory2", 0xeeeee0 },
 766                 { "ivory3", 0xcdcdc1 },
 767                 { "ivory4", 0x8b8b83 },
 768                 { "khaki", 0xf0e68c },
 769                 { "khaki1", 0xfff68f },
 770                 { "khaki2", 0xeee685 },
 771                 { "khaki3", 0xcdc673 },
 772                 { "khaki4", 0x8b864e },
 773                 { "lavender blush", 0xfff0f5 },
 774                 { "lavender", 0xe6e6fa },
 775                 { "lawn green", 0x7cfc00 },
 776                 { "lemon chiffon", 0xfffacd },
 777                 { "light blue", 0xadd8e6 },
 778                 { "light coral", 0xf08080 },
 779                 { "light cyan", 0xe0ffff },
 780                 { "light goldenrod yellow", 0xfafad2 },
 781                 { "light goldenrod", 0xeedd82 },
 782                 { "light gray", 0xd3d3d3 },
 783                 { "light green", 0x90ee90 },
 784                 { "light grey", 0xd3d3d3 },
 785                 { "light pink", 0xffb6c1 },
 786                 { "light salmon", 0xffa07a },
 787                 { "light sea green", 0x20b2aa },
 788                 { "light sky blue", 0x87cefa },
 789                 { "light slate blue", 0x8470ff },
 790                 { "light slate gray", 0x778899 },
 791                 { "light slate grey", 0x778899 },
 792                 { "light steel blue", 0xb0c4de },
 793                 { "light yellow", 0xffffe0 },
 794                 { "lime green", 0x32cd32 },
 795                 { "lime", 0x00ff00 },
 796                 { "linen", 0xfaf0e6 },
 797                 { "magenta", 0xff00ff },
 798                 { "magenta1", 0xff00ff },
 799                 { "magenta2", 0xee00ee },
 800                 { "magenta3", 0xcd00cd },
 801                 { "magenta4", 0x8b008b },
 802                 { "maroon", 0xb03060 },
 803                 { "maroon1", 0xff34b3 },
 804                 { "maroon2", 0xee30a7 },
 805                 { "maroon3", 0xcd2990 },
 806                 { "maroon4", 0x8b1c62 },
 807                 { "medium aquamarine", 0x66cdaa },
 808                 { "medium blue", 0x0000cd },
 809                 { "medium orchid", 0xba55d3 },
 810                 { "medium purple", 0x9370db },
 811                 { "medium sea green", 0x3cb371 },
 812                 { "medium slate blue", 0x7b68ee },
 813                 { "medium spring green", 0x00fa9a },
 814                 { "medium turquoise", 0x48d1cc },
 815                 { "medium violet red", 0xc71585 },
 816                 { "midnight blue", 0x191970 },
 817                 { "mint cream", 0xf5fffa },
 818                 { "misty rose", 0xffe4e1 },
 819                 { "moccasin", 0xffe4b5 },
 820                 { "navajo white", 0xffdead },
 821                 { "navy blue", 0x000080 },
 822                 { "navy", 0x000080 },
 823                 { "old lace", 0xfdf5e6 },
 824                 { "olive drab", 0x6b8e23 },
 825                 { "olive", 0x808000 },
 826                 { "orange red", 0xff4500 },
 827                 { "orange", 0xffa500 },
 828                 { "orange1", 0xffa500 },
 829                 { "orange2", 0xee9a00 },
 830                 { "orange3", 0xcd8500 },
 831                 { "orange4", 0x8b5a00 },
 832                 { "orchid", 0xda70d6 },
 833                 { "orchid1", 0xff83fa },
 834                 { "orchid2", 0xee7ae9 },
 835                 { "orchid3", 0xcd69c9 },
 836                 { "orchid4", 0x8b4789 },
 837                 { "pale goldenrod", 0xeee8aa },
 838                 { "pale green", 0x98fb98 },
 839                 { "pale turquoise", 0xafeeee },
 840                 { "pale violet red", 0xdb7093 },
 841                 { "papaya whip", 0xffefd5 },
 842                 { "peach puff", 0xffdab9 },
 843                 { "peru", 0xcd853f },
 844                 { "pink", 0xffc0cb },
 845                 { "pink1", 0xffb5c5 },
 846                 { "pink2", 0xeea9b8 },
 847                 { "pink3", 0xcd919e },
 848                 { "pink4", 0x8b636c },
 849                 { "plum", 0xdda0dd },
 850                 { "plum1", 0xffbbff },
 851                 { "plum2", 0xeeaeee },
 852                 { "plum3", 0xcd96cd },
 853                 { "plum4", 0x8b668b },
 854                 { "powder blue", 0xb0e0e6 },
 855                 { "purple", 0xa020f0 },
 856                 { "purple1", 0x9b30ff },
 857                 { "purple2", 0x912cee },
 858                 { "purple3", 0x7d26cd },
 859                 { "purple4", 0x551a8b },
 860                 { "rebecca purple", 0x663399 },
 861                 { "red", 0xff0000 },
 862                 { "red1", 0xff0000 },
 863                 { "red2", 0xee0000 },
 864                 { "red3", 0xcd0000 },
 865                 { "red4", 0x8b0000 },
 866                 { "rosy brown", 0xbc8f8f },
 867                 { "royal blue", 0x4169e1 },
 868                 { "saddle brown", 0x8b4513 },
 869                 { "salmon", 0xfa8072 },
 870                 { "salmon1", 0xff8c69 },
 871                 { "salmon2", 0xee8262 },
 872                 { "salmon3", 0xcd7054 },
 873                 { "salmon4", 0x8b4c39 },
 874                 { "sandy brown", 0xf4a460 },
 875                 { "sea green", 0x2e8b57 },
 876                 { "seashell", 0xfff5ee },
 877                 { "seashell1", 0xfff5ee },
 878                 { "seashell2", 0xeee5de },
 879                 { "seashell3", 0xcdc5bf },
 880                 { "seashell4", 0x8b8682 },
 881                 { "sienna", 0xa0522d },
 882                 { "sienna1", 0xff8247 },
 883                 { "sienna2", 0xee7942 },
 884                 { "sienna3", 0xcd6839 },
 885                 { "sienna4", 0x8b4726 },
 886                 { "silver", 0xc0c0c0 },
 887                 { "sky blue", 0x87ceeb },
 888                 { "slate blue", 0x6a5acd },
 889                 { "slate gray", 0x708090 },
 890                 { "slate grey", 0x708090 },
 891                 { "snow", 0xfffafa },
 892                 { "snow1", 0xfffafa },
 893                 { "snow2", 0xeee9e9 },
 894                 { "snow3", 0xcdc9c9 },
 895                 { "snow4", 0x8b8989 },
 896                 { "spring green", 0x00ff7f },
 897                 { "steel blue", 0x4682b4 },
 898                 { "tan", 0xd2b48c },
 899                 { "tan1", 0xffa54f },
 900                 { "tan2", 0xee9a49 },
 901                 { "tan3", 0xcd853f },
 902                 { "tan4", 0x8b5a2b },
 903                 { "teal", 0x008080 },
 904                 { "thistle", 0xd8bfd8 },
 905                 { "thistle1", 0xffe1ff },
 906                 { "thistle2", 0xeed2ee },
 907                 { "thistle3", 0xcdb5cd },
 908                 { "thistle4", 0x8b7b8b },
 909                 { "tomato", 0xff6347 },
 910                 { "tomato1", 0xff6347 },
 911                 { "tomato2", 0xee5c42 },
 912                 { "tomato3", 0xcd4f39 },
 913                 { "tomato4", 0x8b3626 },
 914                 { "turquoise", 0x40e0d0 },
 915                 { "turquoise1", 0x00f5ff },
 916                 { "turquoise2", 0x00e5ee },
 917                 { "turquoise3", 0x00c5cd },
 918                 { "turquoise4", 0x00868b },
 919                 { "violet red", 0xd02090 },
 920                 { "violet", 0xee82ee },
 921                 { "web gray", 0x808080 },
 922                 { "web green", 0x008000 },
 923                 { "web grey", 0x808080 },
 924                 { "web maroon", 0x800000 },
 925                 { "web purple", 0x800080 },
 926                 { "wheat", 0xf5deb3 },
 927                 { "wheat1", 0xffe7ba },
 928                 { "wheat2", 0xeed8ae },
 929                 { "wheat3", 0xcdba96 },
 930                 { "wheat4", 0x8b7e66 },
 931                 { "white smoke", 0xf5f5f5 },
 932                 { "white", 0xffffff },
 933                 { "x11 gray", 0xbebebe },
 934                 { "x11 green", 0x00ff00 },
 935                 { "x11 grey", 0xbebebe },
 936                 { "x11 maroon", 0xb03060 },
 937                 { "x11 purple", 0xa020f0 },
 938                 { "yellow green", 0x9acd32 },
 939                 { "yellow", 0xffff00 },
 940                 { "yellow1", 0xffff00 },
 941                 { "yellow2", 0xeeee00 },
 942                 { "yellow3", 0xcdcd00 },
 943                 { "yellow4", 0x8b8b00 }
 944         };
 945         u_int   i;
 946         int     c;
 947
 948         if (strncmp(name, "grey", 4) == 0 || strncmp(name, "gray", 4) == 0) {
 949                 if (!isdigit((u_char)name[4]))
 950                         return (0xbebebe|COLOUR_FLAG_RGB);
 951                 c = round(2.55 * atoi(name + 4));
 952                 if (c < 0 || c > 255)
 953                         return (-1);
 954                 return (colour_join_rgb(c, c, c));
 955         }
 956         for (i = 0; i < nitems(colours); i++) {
 957                 if (strcasecmp(colours[i].name, name) == 0)
 958                         return (colours[i].c|COLOUR_FLAG_RGB);
 959         }
 960         return (-1);
 961 }
 962
 963 /* Initialize palette. */
 964 void
 965 colour_palette_init(struct colour_palette *p)
 966 {
 967         p->fg = 8;
 968         p->bg = 8;
 969         p->palette = NULL;
 970         p->default_palette = NULL;
 971 }
 972
 973 /* Clear palette. */
 974 void
 975 colour_palette_clear(struct colour_palette *p)
 976 {
 977         if (p != NULL) {
 978                 p->fg = 8;
 979                 p->bg = 8;
 980                 free(p->palette);
 981                 p->palette = NULL;
 982         }
 983 }
 984
 985 /* Free a palette. */
 986 void
 987 colour_palette_free(struct colour_palette *p)
 988 {
 989         if (p != NULL) {
 990                 free(p->palette);
 991                 p->palette = NULL;
 992                 free(p->default_palette);
 993                 p->default_palette = NULL;
 994         }
 995 }
 996
 997 /* Get a colour from a palette. */
 998 int
 999 colour_palette_get(struct colour_palette *p, int c)
1000 {
1001         if (p == NULL)
1002                 return (-1);
1003
1004         if (c >= 90 && c <= 97)
1005                 c = 8 + c - 90;
1006         else if (c & COLOUR_FLAG_256)
1007                 c &= ~COLOUR_FLAG_256;
1008         else if (c >= 8)
1009                 return (-1);
1010
1011         if (p->palette != NULL && p->palette[c] != -1)
1012                 return (p->palette[c]);
1013         if (p->default_palette != NULL && p->default_palette[c] != -1)
1014                 return (p->default_palette[c]);
1015         return (-1);
1016 }
1017
1018 /* Set a colour in a palette. */
1019 int
1020 colour_palette_set(struct colour_palette *p, int n, int c)
1021 {
1022         u_int   i;
1023
1024         if (p == NULL || n > 255)
1025                 return (0);
1026
1027         if (c == -1 && p->palette == NULL)
1028                 return (0);
1029
1030         if (c != -1 && p->palette == NULL) {
1031                 if (p->palette == NULL)
1032                         p->palette = xcalloc(256, sizeof *p->palette);
1033                 for (i = 0; i < 256; i++)
1034                         p->palette[i] = -1;
1035         }
1036         p->palette[n] = c;
1037         return (1);
1038 }
1039
1040 /* Build palette defaults from an option. */
1041 void
1042 colour_palette_from_option(struct colour_palette *p, struct options *oo)
1043 {
1044         struct options_entry            *o;
1045         struct options_array_item       *a;
1046         u_int                            i, n;
1047         int                              c;
1048
1049         if (p == NULL)
1050                 return;
1051
1052         o = options_get(oo, "pane-colours");
1053         if ((a = options_array_first(o)) == NULL) {
1054                 if (p->default_palette != NULL) {
1055                         free(p->default_palette);
1056                         p->default_palette = NULL;
1057                 }
1058                 return;
1059         }
1060         if (p->default_palette == NULL)
1061                 p->default_palette = xcalloc(256, sizeof *p->default_palette);
1062         for (i = 0; i < 256; i++)
1063                 p->default_palette[i] = -1;
1064         while (a != NULL) {
1065                 n = options_array_item_index(a);
1066                 if (n < 256) {
1067                         c = options_array_item_value(a)->number;
1068                         p->default_palette[n] = c;
1069                 }
1070                 a = options_array_next(a);
1071         }
1072
1073 }