tmux  3.2a
About: tmux is a terminal multiplexer that lets you switch easily between several programs in one terminal.
  Fossies Dox: tmux-3.2a.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

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