Annotation of src/usr.bin/tmux/colour.c, Revision 1.23
1.23 ! nicm 1: /* $OpenBSD: colour.c,v 1.22 2021/08/14 14:00:07 nicm Exp $ */
1.1 nicm 2:
3: /*
1.12 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.13 nicm 5: * Copyright (c) 2016 Avi Halachmi <avihpit@yahoo.com>
1.1 nicm 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:
1.3 nicm 22: #include <ctype.h>
1.2 nicm 23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
1.20 nicm 25: #include <math.h>
1.1 nicm 26:
27: #include "tmux.h"
28:
1.13 nicm 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: }
1.3 nicm 34:
1.13 nicm 35: static int
36: colour_to_6cube(int v)
1.3 nicm 37: {
1.13 nicm 38: if (v < 48)
39: return (0);
40: if (v < 114)
1.9 nicm 41: return (1);
1.13 nicm 42: return ((v - 35) / 40);
1.3 nicm 43: }
44:
1.13 nicm 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: *
1.15 nicm 52: * Note that the xterm has much lower resolution for darker colours (they are
1.13 nicm 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: */
1.3 nicm 57: int
1.10 nicm 58: colour_find_rgb(u_char r, u_char g, u_char b)
1.3 nicm 59: {
1.13 nicm 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)
1.14 nicm 71: return ((16 + (36 * qr) + (6 * qg) + qb) | COLOUR_FLAG_256);
1.13 nicm 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;
1.14 nicm 87: return (idx | COLOUR_FLAG_256);
1.3 nicm 88: }
89:
1.14 nicm 90: /* Join RGB into a colour. */
91: int
92: colour_join_rgb(u_char r, u_char g, u_char b)
1.2 nicm 93: {
1.14 nicm 94: return ((((int)((r) & 0xff)) << 16) |
95: (((int)((g) & 0xff)) << 8) |
96: (((int)((b) & 0xff))) | COLOUR_FLAG_RGB);
1.2 nicm 97: }
98:
1.14 nicm 99: /* Split colour into RGB. */
1.2 nicm 100: void
1.14 nicm 101: colour_split_rgb(int c, u_char *r, u_char *g, u_char *b)
1.2 nicm 102: {
1.14 nicm 103: *r = (c >> 16) & 0xff;
104: *g = (c >> 8) & 0xff;
105: *b = c & 0xff;
1.23 ! nicm 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);
1.2 nicm 121: }
122:
1.3 nicm 123: /* Convert colour to a string. */
1.1 nicm 124: const char *
1.2 nicm 125: colour_tostring(int c)
1.1 nicm 126: {
1.2 nicm 127: static char s[32];
1.14 nicm 128: u_char r, g, b;
129:
1.20 nicm 130: if (c == -1)
131: return ("invalid");
132:
1.14 nicm 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: }
1.2 nicm 138:
1.14 nicm 139: if (c & COLOUR_FLAG_256) {
140: xsnprintf(s, sizeof s, "colour%u", c & 0xff);
1.2 nicm 141: return (s);
142: }
143:
1.1 nicm 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");
1.16 nicm 163: case 9:
164: return ("terminal");
1.5 nicm 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");
1.1 nicm 181: }
1.17 nicm 182: return ("invalid");
1.1 nicm 183: }
184:
1.3 nicm 185: /* Convert colour from string. */
1.1 nicm 186: int
187: colour_fromstring(const char *s)
188: {
1.10 nicm 189: const char *errstr;
190: const char *cp;
191: int n;
192: u_char r, g, b;
1.3 nicm 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);
1.10 nicm 199: n = sscanf(s + 1, "%2hhx%2hhx%2hhx", &r, &g, &b);
1.3 nicm 200: if (n != 3)
201: return (-1);
1.14 nicm 202: return (colour_join_rgb(r, g, b));
1.3 nicm 203: }
1.2 nicm 204:
205: if (strncasecmp(s, "colour", (sizeof "colour") - 1) == 0) {
206: n = strtonum(s + (sizeof "colour") - 1, 0, 255, &errstr);
1.19 nicm 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);
1.2 nicm 213: if (errstr != NULL)
214: return (-1);
1.14 nicm 215: return (n | COLOUR_FLAG_256);
1.2 nicm 216: }
217:
1.16 nicm 218: if (strcasecmp(s, "default") == 0)
219: return (8);
220: if (strcasecmp(s, "terminal") == 0)
221: return (9);
222:
1.9 nicm 223: if (strcasecmp(s, "black") == 0 || strcmp(s, "0") == 0)
1.1 nicm 224: return (0);
1.9 nicm 225: if (strcasecmp(s, "red") == 0 || strcmp(s, "1") == 0)
1.1 nicm 226: return (1);
1.9 nicm 227: if (strcasecmp(s, "green") == 0 || strcmp(s, "2") == 0)
1.1 nicm 228: return (2);
1.9 nicm 229: if (strcasecmp(s, "yellow") == 0 || strcmp(s, "3") == 0)
1.1 nicm 230: return (3);
1.9 nicm 231: if (strcasecmp(s, "blue") == 0 || strcmp(s, "4") == 0)
1.1 nicm 232: return (4);
1.9 nicm 233: if (strcasecmp(s, "magenta") == 0 || strcmp(s, "5") == 0)
1.1 nicm 234: return (5);
1.9 nicm 235: if (strcasecmp(s, "cyan") == 0 || strcmp(s, "6") == 0)
1.1 nicm 236: return (6);
1.9 nicm 237: if (strcasecmp(s, "white") == 0 || strcmp(s, "7") == 0)
1.1 nicm 238: return (7);
1.9 nicm 239: if (strcasecmp(s, "brightblack") == 0 || strcmp(s, "90") == 0)
1.5 nicm 240: return (90);
1.9 nicm 241: if (strcasecmp(s, "brightred") == 0 || strcmp(s, "91") == 0)
1.5 nicm 242: return (91);
1.9 nicm 243: if (strcasecmp(s, "brightgreen") == 0 || strcmp(s, "92") == 0)
1.5 nicm 244: return (92);
1.9 nicm 245: if (strcasecmp(s, "brightyellow") == 0 || strcmp(s, "93") == 0)
1.5 nicm 246: return (93);
1.9 nicm 247: if (strcasecmp(s, "brightblue") == 0 || strcmp(s, "94") == 0)
1.5 nicm 248: return (94);
1.9 nicm 249: if (strcasecmp(s, "brightmagenta") == 0 || strcmp(s, "95") == 0)
1.5 nicm 250: return (95);
1.9 nicm 251: if (strcasecmp(s, "brightcyan") == 0 || strcmp(s, "96") == 0)
1.5 nicm 252: return (96);
1.9 nicm 253: if (strcasecmp(s, "brightwhite") == 0 || strcmp(s, "97") == 0)
1.5 nicm 254: return (97);
1.20 nicm 255: return (colour_byname(s));
1.1 nicm 256: }
257:
1.18 nicm 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)
1.1 nicm 335: {
1.18 nicm 336: static const char table[256] = {
1.1 nicm 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:
1.18 nicm 355: return (table[c & 0xff]);
1.20 nicm 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);
1.21 nicm 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) {
1.22 nicm 978: p->fg = 8;
979: p->bg = 8;
980: free(p->palette);
1.21 nicm 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:
1.1 nicm 1073: }
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