1 |
/* Copyright (c) 1987 Regents of the University of California */ |
2 |
|
3 |
#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
5 |
#endif |
6 |
|
7 |
/* |
8 |
* ximage.c - driver for X-windows |
9 |
* |
10 |
* 4/30/87 |
11 |
* 3/3/88 Added calls to xraster & Paul Heckbert's ciq routines |
12 |
*/ |
13 |
|
14 |
#include "standard.h" |
15 |
|
16 |
#include <X/Xlib.h> |
17 |
#include <X/cursors/bcross.cursor> |
18 |
#include <X/cursors/bcross_mask.cursor> |
19 |
|
20 |
#include <sys/types.h> |
21 |
|
22 |
#include <ctype.h> |
23 |
|
24 |
#include "color.h" |
25 |
|
26 |
#include "xraster.h" |
27 |
|
28 |
#include "view.h" |
29 |
|
30 |
#include "pic.h" |
31 |
|
32 |
#define controlshift(e) (((XButtonEvent *)(e))->detail & (ShiftMask|ControlMask)) |
33 |
|
34 |
#define FONTNAME "9x15" /* text font we'll use */ |
35 |
|
36 |
#define CTRL(c) ('c'-'@') |
37 |
|
38 |
#define BORWIDTH 5 /* border width */ |
39 |
#define BARHEIGHT 25 /* menu bar size */ |
40 |
|
41 |
double gamcor = 2.0; /* gamcor correction */ |
42 |
|
43 |
XRASTER ourras; /* our stored raster image */ |
44 |
|
45 |
int dither = 1; /* dither colors? */ |
46 |
int fast = 0; /* keep picture in Pixmap? */ |
47 |
|
48 |
Window wind = 0; /* our output window */ |
49 |
Font fontid; /* our font */ |
50 |
|
51 |
int maxcolors = 0; /* maximum colors */ |
52 |
int greyscale = 0; /* in grey */ |
53 |
|
54 |
int xoff = 0; /* x image offset */ |
55 |
int yoff = 0; /* y image offset */ |
56 |
|
57 |
VIEW ourview = STDVIEW(0); /* image view parameters */ |
58 |
int gotview = 0; /* got parameters from file */ |
59 |
|
60 |
COLR *scanline; /* scan line buffer */ |
61 |
|
62 |
int xmax, ymax; /* picture resolution */ |
63 |
int width, height; /* window size */ |
64 |
char *fname = NULL; /* input file name */ |
65 |
FILE *fin = stdin; /* input file */ |
66 |
long *scanpos = NULL; /* scan line positions in file */ |
67 |
int cury = 0; /* current scan location */ |
68 |
|
69 |
double exposure = 1.0; /* exposure compensation used */ |
70 |
|
71 |
struct { |
72 |
int xmin, ymin, xsiz, ysiz; |
73 |
} box = {0, 0, 0, 0}; /* current box */ |
74 |
|
75 |
char *geometry = NULL; /* geometry specification */ |
76 |
|
77 |
char *progname; |
78 |
|
79 |
char errmsg[128]; |
80 |
|
81 |
extern long ftell(); |
82 |
|
83 |
extern char *malloc(), *calloc(); |
84 |
|
85 |
extern double atof(); |
86 |
|
87 |
|
88 |
main(argc, argv) |
89 |
int argc; |
90 |
char *argv[]; |
91 |
{ |
92 |
int headline(); |
93 |
int i; |
94 |
|
95 |
progname = argv[0]; |
96 |
|
97 |
for (i = 1; i < argc; i++) |
98 |
if (argv[i][0] == '-') |
99 |
switch (argv[i][1]) { |
100 |
case 'c': |
101 |
maxcolors = atoi(argv[++i]); |
102 |
break; |
103 |
case 'b': |
104 |
greyscale = !greyscale; |
105 |
break; |
106 |
case 'm': |
107 |
maxcolors = 2; |
108 |
break; |
109 |
case 'd': |
110 |
dither = !dither; |
111 |
break; |
112 |
case 'f': |
113 |
fast = !fast; |
114 |
break; |
115 |
case 'g': |
116 |
gamcor = atof(argv[++i]); |
117 |
break; |
118 |
default: |
119 |
goto userr; |
120 |
} |
121 |
else if (argv[i][0] == '=') |
122 |
geometry = argv[i]; |
123 |
else |
124 |
break; |
125 |
|
126 |
if (argc-i == 1) { |
127 |
fname = argv[i]; |
128 |
fin = fopen(fname, "r"); |
129 |
if (fin == NULL) { |
130 |
sprintf(errmsg, "can't open file \"%s\"", fname); |
131 |
quiterr(errmsg); |
132 |
} |
133 |
} else |
134 |
goto userr; |
135 |
|
136 |
/* get header */ |
137 |
getheader(fin, headline); |
138 |
/* get picture dimensions */ |
139 |
if (fscanf(fin, "-Y %d +X %d\n", &ymax, &xmax) != 2) |
140 |
quiterr("bad picture size"); |
141 |
/* set view parameters */ |
142 |
if (gotview) { |
143 |
ourview.hresolu = xmax; |
144 |
ourview.vresolu = ymax; |
145 |
if (setview(&ourview) != NULL) |
146 |
gotview = 0; |
147 |
} |
148 |
if ((scanline = (COLR *)malloc(xmax*sizeof(COLR))) == NULL) |
149 |
quiterr("out of memory"); |
150 |
|
151 |
init(); /* get file and open window */ |
152 |
|
153 |
for ( ; ; ) |
154 |
getevent(); /* main loop */ |
155 |
userr: |
156 |
fprintf(stderr, |
157 |
"Usage: %s [=geometry][-b][-m][-d][-f][-c ncolors] file\n", |
158 |
progname); |
159 |
quit(1); |
160 |
} |
161 |
|
162 |
|
163 |
headline(s) /* get relevant info from header */ |
164 |
char *s; |
165 |
{ |
166 |
static char *altname[] = {"rview","rpict","VIEW=",NULL}; |
167 |
register char **an; |
168 |
|
169 |
if (!strncmp(s, "EXPOSURE=", 9)) |
170 |
exposure *= atof(s+9); |
171 |
else |
172 |
for (an = altname; *an != NULL; an++) |
173 |
if (!strncmp(*an, s, strlen(*an))) { |
174 |
if (sscanview(&ourview, s+strlen(*an)) == 0) |
175 |
gotview++; |
176 |
return; |
177 |
} |
178 |
} |
179 |
|
180 |
|
181 |
char * |
182 |
sskip(s) /* skip a word */ |
183 |
register char *s; |
184 |
{ |
185 |
while (isspace(*s)) s++; |
186 |
while (*s && !isspace(*s)) s++; |
187 |
return(s); |
188 |
} |
189 |
|
190 |
|
191 |
init() /* get data and open window */ |
192 |
{ |
193 |
register int i; |
194 |
colormap ourmap; |
195 |
OpaqueFrame mainframe; |
196 |
char defgeom[32]; |
197 |
|
198 |
if (fname != NULL) { |
199 |
scanpos = (long *)malloc(ymax*sizeof(long)); |
200 |
if (scanpos == NULL) |
201 |
goto memerr; |
202 |
for (i = 0; i < ymax; i++) |
203 |
scanpos[i] = -1; |
204 |
} |
205 |
if (XOpenDisplay(NULL) == NULL) |
206 |
quiterr("can't open display; DISPLAY variable set?"); |
207 |
#ifdef notdef |
208 |
if (DisplayWidth() - 2*BORWIDTH < xmax || |
209 |
DisplayHeight() - 2*BORWIDTH - BARHEIGHT < ymax) |
210 |
quiterr("resolution mismatch"); |
211 |
#endif |
212 |
if (maxcolors == 0) { /* get number of available colors */ |
213 |
maxcolors = 1<<DisplayPlanes(); |
214 |
if (maxcolors > 4) maxcolors -= 2; |
215 |
} |
216 |
ourras.width = xmax; |
217 |
ourras.height = ymax; |
218 |
/* store image */ |
219 |
if (maxcolors <= 2) { /* monochrome */ |
220 |
ourras.data.m = (unsigned short *)malloc(BitmapSize(xmax,ymax)); |
221 |
if (ourras.data.m == NULL) |
222 |
goto memerr; |
223 |
getmono(); |
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} else { |
225 |
ourras.data.bz = (unsigned char *)malloc(BZPixmapSize(xmax,ymax)); |
226 |
if (ourras.data.bz == NULL) |
227 |
goto memerr; |
228 |
if (greyscale) |
229 |
biq(dither,maxcolors,1,ourmap); |
230 |
else |
231 |
ciq(dither,maxcolors,1,ourmap); |
232 |
if (init_rcolors(&ourras, ourmap) == 0) |
233 |
goto memerr; |
234 |
} |
235 |
mainframe.bdrwidth = BORWIDTH; |
236 |
mainframe.border = WhitePixmap; |
237 |
mainframe.background = BlackPixmap; |
238 |
sprintf(defgeom, "=%dx%d+0+22", xmax, ymax); |
239 |
wind = XCreate("Radiance Image", progname, geometry, defgeom, |
240 |
&mainframe, 16, 16); |
241 |
if (wind == 0) |
242 |
quiterr("can't create window"); |
243 |
width = mainframe.width; |
244 |
height = mainframe.height; |
245 |
fontid = XGetFont(FONTNAME); |
246 |
if (fontid == 0) |
247 |
quiterr("can't get font"); |
248 |
XStoreName(wind, fname == NULL ? progname : fname); |
249 |
XDefineCursor(wind, XCreateCursor(bcross_width, bcross_height, |
250 |
bcross_bits, bcross_mask_bits, |
251 |
bcross_x_hot, bcross_y_hot, |
252 |
BlackPixel, WhitePixel, GXcopy)); |
253 |
XSelectInput(wind, ButtonPressed|ButtonReleased|UnmapWindow |
254 |
|RightDownMotion|MiddleDownMotion|LeftDownMotion |
255 |
|KeyPressed|ExposeWindow|ExposeRegion); |
256 |
XMapWindow(wind); |
257 |
return; |
258 |
memerr: |
259 |
quiterr("out of memory"); |
260 |
} |
261 |
|
262 |
|
263 |
quiterr(err) /* print message and exit */ |
264 |
char *err; |
265 |
{ |
266 |
if (err != NULL) |
267 |
fprintf(stderr, "%s: %s\n", progname, err); |
268 |
|
269 |
exit(err == NULL ? 0 : 1); |
270 |
} |
271 |
|
272 |
|
273 |
eputs(s) |
274 |
char *s; |
275 |
{ |
276 |
fputs(s, stderr); |
277 |
} |
278 |
|
279 |
|
280 |
quit(code) |
281 |
int code; |
282 |
{ |
283 |
exit(code); |
284 |
} |
285 |
|
286 |
|
287 |
getevent() /* process the next event */ |
288 |
{ |
289 |
WindowInfo info; |
290 |
XEvent e; |
291 |
|
292 |
XNextEvent(&e); |
293 |
switch (e.type) { |
294 |
case KeyPressed: |
295 |
docom(&e); |
296 |
break; |
297 |
case ExposeWindow: |
298 |
XQueryWindow(wind, &info); /* in case resized */ |
299 |
width = info.width; |
300 |
height = info.height; |
301 |
/* fall through */ |
302 |
case ExposeRegion: |
303 |
fixwindow(&e); |
304 |
break; |
305 |
case UnmapWindow: |
306 |
unmap_rcolors(&ourras); |
307 |
break; |
308 |
case ButtonPressed: |
309 |
if (controlshift(&e)) |
310 |
moveimage(&e); |
311 |
else |
312 |
getbox(&e); |
313 |
break; |
314 |
} |
315 |
} |
316 |
|
317 |
|
318 |
fixwindow(eexp) /* fix new or stepped-on window */ |
319 |
XExposeEvent *eexp; |
320 |
{ |
321 |
redraw(eexp->x, eexp->y, eexp->width, eexp->height); |
322 |
} |
323 |
|
324 |
|
325 |
redraw(x, y, w, h) /* redraw section of window */ |
326 |
int x, y; |
327 |
int w, h; |
328 |
{ |
329 |
map_rcolors(&ourras); |
330 |
if (fast) |
331 |
make_rpixmap(&ourras); |
332 |
return(patch_raster(wind,x-xoff,y-yoff,x,y,w,h,&ourras) ? 0 : -1); |
333 |
} |
334 |
|
335 |
|
336 |
docom(ekey) /* execute command */ |
337 |
XKeyEvent *ekey; |
338 |
{ |
339 |
char buf[80]; |
340 |
COLOR cval; |
341 |
char *cp; |
342 |
int n; |
343 |
FVECT rorg, rdir; |
344 |
|
345 |
cp = XLookupMapping(ekey, &n); |
346 |
if (n == 0) |
347 |
return(0); |
348 |
switch (*cp) { /* interpret command */ |
349 |
case 'q': |
350 |
case CTRL(D): /* quiterr */ |
351 |
quit(0); |
352 |
case '\n': |
353 |
case '\r': |
354 |
case 'l': |
355 |
case 'c': /* value */ |
356 |
if (avgbox(cval) == -1) |
357 |
return(-1); |
358 |
switch (*cp) { |
359 |
case '\n': |
360 |
case '\r': /* radiance */ |
361 |
sprintf(buf, "%-3g", intens(cval)/exposure); |
362 |
break; |
363 |
case 'l': /* luminance */ |
364 |
sprintf(buf, "%-3gL", bright(cval)*683.0/exposure); |
365 |
break; |
366 |
case 'c': /* color */ |
367 |
sprintf(buf, "(%.2f,%.2f,%.2f)", |
368 |
colval(cval,RED), |
369 |
colval(cval,GRN), |
370 |
colval(cval,BLU)); |
371 |
break; |
372 |
} |
373 |
XText(wind, box.xmin, box.ymin, buf, strlen(buf), |
374 |
fontid, BlackPixel, WhitePixel); |
375 |
return(0); |
376 |
case 'p': /* position */ |
377 |
sprintf(buf, "(%d,%d)", ekey->x-xoff, ymax-1-ekey->y+yoff); |
378 |
XText(wind, ekey->x, ekey->y, buf, strlen(buf), |
379 |
fontid, BlackPixel, WhitePixel); |
380 |
return(0); |
381 |
case 't': /* trace */ |
382 |
if (!gotview) { |
383 |
XFeep(0); |
384 |
return(-1); |
385 |
} |
386 |
rayview(rorg, rdir, &ourview, |
387 |
ekey->x-xoff + .5, ymax-1-ekey->y+yoff + .5); |
388 |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
389 |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
390 |
fflush(stdout); |
391 |
return(0); |
392 |
case CTRL(R): /* redraw */ |
393 |
XClear(wind); |
394 |
return(redraw(0, 0, width, height)); |
395 |
case ' ': /* clear */ |
396 |
return(redraw(box.xmin, box.ymin, box.xsiz, box.ysiz)); |
397 |
default: |
398 |
XFeep(0); |
399 |
return(-1); |
400 |
} |
401 |
} |
402 |
|
403 |
|
404 |
moveimage(ep) /* shift the image */ |
405 |
XButtonEvent *ep; |
406 |
{ |
407 |
XButtonEvent eb; |
408 |
|
409 |
XMaskEvent(ButtonReleased, &eb); |
410 |
xoff += eb.x - ep->x; |
411 |
yoff += eb.y - ep->y; |
412 |
XClear(wind); |
413 |
return(redraw(0, 0, width, height)); |
414 |
} |
415 |
|
416 |
|
417 |
getbox(ebut) /* get new box */ |
418 |
XButtonEvent *ebut; |
419 |
{ |
420 |
union { |
421 |
XEvent e; |
422 |
XButtonEvent b; |
423 |
XMouseMovedEvent m; |
424 |
} e; |
425 |
|
426 |
XMaskEvent(ButtonReleased|MouseMoved, &e.e); |
427 |
while (e.e.type == MouseMoved) { |
428 |
revbox(ebut->x, ebut->y, box.xmin = e.m.x, box.ymin = e.m.y); |
429 |
XMaskEvent(ButtonReleased|MouseMoved, &e.e); |
430 |
revbox(ebut->x, ebut->y, box.xmin, box.ymin); |
431 |
} |
432 |
box.xmin = e.b.x<0 ? 0 : (e.b.x>=width ? width-1 : e.b.x); |
433 |
box.ymin = e.b.y<0 ? 0 : (e.b.y>=height ? height-1 : e.b.y); |
434 |
if (box.xmin > ebut->x) { |
435 |
box.xsiz = box.xmin - ebut->x + 1; |
436 |
box.xmin = ebut->x; |
437 |
} else { |
438 |
box.xsiz = ebut->x - box.xmin + 1; |
439 |
} |
440 |
if (box.ymin > ebut->y) { |
441 |
box.ysiz = box.ymin - ebut->y + 1; |
442 |
box.ymin = ebut->y; |
443 |
} else { |
444 |
box.ysiz = ebut->y - box.ymin + 1; |
445 |
} |
446 |
} |
447 |
|
448 |
|
449 |
revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
450 |
int x0, y0, x1, y1; |
451 |
{ |
452 |
XLine(wind, x0, y0, x1, y0, 1, 1, 0, GXinvert, AllPlanes); |
453 |
XLine(wind, x0, y1, x1, y1, 1, 1, 0, GXinvert, AllPlanes); |
454 |
XLine(wind, x0, y0, x0, y1, 1, 1, 0, GXinvert, AllPlanes); |
455 |
XLine(wind, x1, y0, x1, y1, 1, 1, 0, GXinvert, AllPlanes); |
456 |
} |
457 |
|
458 |
|
459 |
avgbox(clr) /* average color over current box */ |
460 |
COLOR clr; |
461 |
{ |
462 |
int left, right, top, bottom; |
463 |
int y; |
464 |
double d; |
465 |
COLOR ctmp; |
466 |
register int x; |
467 |
|
468 |
setcolor(clr, 0.0, 0.0, 0.0); |
469 |
left = box.xmin - xoff; |
470 |
right = left + box.xsiz; |
471 |
if (left < 0) |
472 |
left = 0; |
473 |
if (right > xmax) |
474 |
right = xmax; |
475 |
if (left >= right) |
476 |
return(-1); |
477 |
top = box.ymin - yoff; |
478 |
bottom = top + box.ysiz; |
479 |
if (top < 0) |
480 |
top = 0; |
481 |
if (bottom > ymax) |
482 |
bottom = ymax; |
483 |
if (top >= bottom) |
484 |
return(-1); |
485 |
for (y = top; y < bottom; y++) { |
486 |
if (getscan(y) == -1) |
487 |
return(-1); |
488 |
for (x = left; x < right; x++) { |
489 |
colr_color(ctmp, scanline[x]); |
490 |
addcolor(clr, ctmp); |
491 |
} |
492 |
} |
493 |
d = 1.0/((right-left)*(bottom-top)); |
494 |
scalecolor(clr, d); |
495 |
return(0); |
496 |
} |
497 |
|
498 |
|
499 |
getmono() /* get monochrome data */ |
500 |
{ |
501 |
register unsigned short *dp; |
502 |
register int x, err; |
503 |
int y; |
504 |
rgbpixel *inline; |
505 |
short *cerr; |
506 |
|
507 |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
508 |
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
509 |
quit("out of memory in getmono"); |
510 |
dp = ourras.data.m - 1; |
511 |
for (y = 0; y < ymax; y++) { |
512 |
picreadline3(y, inline); |
513 |
err = 0; |
514 |
for (x = 0; x < xmax; x++) { |
515 |
if (!(x&0xf)) |
516 |
*++dp = 0; |
517 |
err += rgb_bright(&inline[x]) + cerr[x]; |
518 |
if (err > 127) |
519 |
err -= 255; |
520 |
else |
521 |
*dp |= 1<<(x&0xf); |
522 |
cerr[x] = err >>= 1; |
523 |
} |
524 |
} |
525 |
free((char *)inline); |
526 |
free((char *)cerr); |
527 |
} |
528 |
|
529 |
|
530 |
init_rcolors(xr, cmap) /* assign color values */ |
531 |
register XRASTER *xr; |
532 |
colormap cmap; |
533 |
{ |
534 |
register int i; |
535 |
register unsigned char *p; |
536 |
|
537 |
xr->pmap = (int *)malloc(256*sizeof(int)); |
538 |
if (xr->pmap == NULL) |
539 |
return(0); |
540 |
xr->cdefs = (Color *)malloc(256*sizeof(Color)); |
541 |
if (xr->cdefs == NULL) |
542 |
return(0); |
543 |
for (i = 0; i < 256; i++) |
544 |
xr->pmap[i] = -1; |
545 |
xr->ncolors = 0; |
546 |
for (p = xr->data.bz, i = BZPixmapSize(xr->width,xr->height); i--; p++) |
547 |
if (xr->pmap[*p] == -1) { |
548 |
xr->cdefs[xr->ncolors].red = cmap[0][*p] << 8; |
549 |
xr->cdefs[xr->ncolors].green = cmap[1][*p] << 8; |
550 |
xr->cdefs[xr->ncolors].blue = cmap[2][*p] << 8; |
551 |
xr->cdefs[xr->ncolors].pixel = *p; |
552 |
xr->pmap[*p] = xr->ncolors++; |
553 |
} |
554 |
xr->cdefs = (Color *)realloc((char *)xr->cdefs, xr->ncolors*sizeof(Color)); |
555 |
if (xr->cdefs == NULL) |
556 |
return(0); |
557 |
return(1); |
558 |
} |
559 |
|
560 |
|
561 |
getscan(y) |
562 |
int y; |
563 |
{ |
564 |
if (y != cury) { |
565 |
if (scanpos == NULL || scanpos[y] == -1) |
566 |
return(-1); |
567 |
if (fseek(fin, scanpos[y], 0) == -1) |
568 |
quit("fseek error"); |
569 |
cury = y; |
570 |
} else if (scanpos != NULL) |
571 |
scanpos[y] = ftell(fin); |
572 |
|
573 |
if (freadcolrs(scanline, xmax, fin) < 0) |
574 |
quiterr("read error"); |
575 |
|
576 |
cury++; |
577 |
return(0); |
578 |
} |
579 |
|
580 |
|
581 |
picreadline3(y, l3) /* read in 3-byte scanline */ |
582 |
int y; |
583 |
register rgbpixel *l3; |
584 |
{ |
585 |
register BYTE *l4; |
586 |
register int shift, c; |
587 |
int i; |
588 |
|
589 |
if (getscan(y) < 0) |
590 |
quiterr("cannot seek for picreadline"); |
591 |
/* convert scanline */ |
592 |
for (l4=scanline[0], i=xmax; i--; l4+=4, l3++) { |
593 |
shift = l4[EXP] - COLXS; |
594 |
if (shift >= 8) { |
595 |
l3->r = l3->g = l3->b = 255; |
596 |
} else if (shift <= -8) { |
597 |
l3->r = l3->g = l3->b = 0; |
598 |
} else if (shift > 0) { |
599 |
c = l4[RED] << shift; |
600 |
l3->r = c > 255 ? 255 : c; |
601 |
c = l4[GRN] << shift; |
602 |
l3->g = c > 255 ? 255 : c; |
603 |
c = l4[BLU] << shift; |
604 |
l3->b = c > 255 ? 255 : c; |
605 |
} else if (shift < 0) { |
606 |
l3->r = l4[RED] >> -shift; |
607 |
l3->g = l4[GRN] >> -shift; |
608 |
l3->b = l4[BLU] >> -shift; |
609 |
} else { |
610 |
l3->r = l4[RED]; |
611 |
l3->g = l4[GRN]; |
612 |
l3->b = l4[BLU]; |
613 |
} |
614 |
} |
615 |
} |
616 |
|
617 |
|
618 |
picwriteline(y, l) /* add 8-bit scanline to image */ |
619 |
int y; |
620 |
pixel *l; |
621 |
{ |
622 |
bcopy(l, ourras.data.bz+BZPixmapSize(xmax,y), BZPixmapSize(xmax,1)); |
623 |
} |
624 |
|
625 |
|
626 |
picreadcm(map) /* do gamcor correction */ |
627 |
colormap map; |
628 |
{ |
629 |
extern double pow(); |
630 |
register int i, val; |
631 |
|
632 |
for (i = 0; i < 256; i++) { |
633 |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
634 |
map[0][i] = map[1][i] = map[2][i] = val; |
635 |
} |
636 |
} |
637 |
|
638 |
|
639 |
picwritecm(map) /* handled elsewhere */ |
640 |
colormap map; |
641 |
{ |
642 |
} |