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root/radiance/ray/src/px/pvalue.c

Comparing ray/src/px/pvalue.c (file contents):
Revision 2.5 by greg, Mon Sep 21 12:14:37 1992 UTC vs.
Revision 2.39 by greg, Mon Mar 30 19:02:26 2020 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1992 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		*  pvalue.c - program to print pixel values.
6		*
7		*     4/23/86
8		*/
9
10	+	#include  "platform.h"
11		#include  "standard.h"
14	–
12		#include  "color.h"
16	–
13		#include  "resolu.h"
14	+	#include  "view.h"
15
16		#define  min(a,b)               ((a)<(b)?(a):(b))
17
18	<	RESOLU  picres;                 /* resolution of picture */
18	>	/* what to put out (also RED, GRN, BLU) */
19	>	#define  ALL            3
20	>	#define  BRIGHT         4
21
22	+	RESOLU  picres;                 /* resolution of picture */
23		int  uniq = 0;                  /* print only unique values? */
24	<
25	<	int  original = 0;              /* convert back to original values? */
26	<
24	>	int  doexposure = 0;            /* exposure change? (>100 to print) */
25		int  dataonly = 0;              /* data only format? */
26	<
29	<	int  brightonly = 0;            /* only brightness values? */
30	<
26	>	int  putprim = ALL;             /* what to put out */
27		int  reverse = 0;               /* reverse conversion? */
32	–
28		int  format = 'a';              /* input/output format */
29		char  *fmtid = "ascii";         /* format identifier for header */
35	–
30		int  header = 1;                /* do header? */
31	<
31	>	long  skipbytes = 0;            /* skip bytes in input? */
32	>	int  swapbytes = 0;             /* swap bytes? */
33	>	int  interleave = 1;            /* file is interleaved? */
34		int  resolution = 1;            /* put/get resolution string? */
35	<
35	>	int  original = 0;              /* convert to original values? */
36		int  wrongformat = 0;           /* wrong input format? */
41	–
37		double  gamcor = 1.0;           /* gamma correction */
38
39	+	RGBPRIMP  outprims = stdprims;  /* output primaries for reverse conversion */
40	+	RGBPRIMS  myprims;
41	+
42		int  ord[3] = {RED, GRN, BLU};  /* RGB ordering */
43		int  rord[4];                   /* reverse ordering */
44
#	Line 49 | Line 47 | COLOR  exposure = WHTCOLOR;
47		char  *progname;
48
49		FILE  *fin;
50	+	FILE  *fin2 = NULL, *fin3 = NULL;       /* for other color channels */
51
53	–	int  (*getval)(), (*putval)();
52
53	+	typedef int getfunc_t(COLOR  col);
54	+	typedef int putfunc_t(COLOR  col);
55	+	typedef double brightfunc_t(COLOR  col);
56
57	<	main(argc, argv)
58	<	int  argc;
59	<	char  **argv;
57	>	getfunc_t *getval;
58	>	putfunc_t *putval;
59	>	brightfunc_t *mybright;
60	>
61	>	static gethfunc checkhead;
62	>	static brightfunc_t rgb_bright, xyz_bright;
63	>	static getfunc_t getbascii, getbint, getbdouble, getbfloat, getbbyte, getbword;
64	>	static getfunc_t getcascii, getcint, getcdouble, getcfloat, getcbyte, getcword;
65	>	static putfunc_t putbascii, putbint, putbdouble, putbfloat, putbbyte, putbword;
66	>	static putfunc_t putcascii, putcint, putcdouble, putcfloat, putcbyte, putcword;
67	>	static putfunc_t putpascii, putpint, putpdouble, putpfloat, putpbyte, putpword;
68	>
69	>	static void set_io(void);
70	>	static void pixtoval(void);
71	>	static void valtopix(void);
72	>
73	>
74	>	static double
75	>	rgb_bright(
76	>	COLOR  clr
77	>	)
78		{
79	<	extern int  checkhead();
80	<	int  i;
79	>	return(bright(clr));
80	>	}
81
82	+	static double
83	+	xyz_bright(
84	+	COLOR  clr
85	+	)
86	+	{
87	+	return(clr[CIEY]);
88	+	}
89	+
90	+	int
91	+	main(
92	+	int  argc,
93	+	char  **argv
94	+	)
95	+	{
96	+	const char      *inpmode = "r";
97	+	double          d, expval = 1.0;
98	+	int             i;
99	+
100		progname = argv[0];
101	+	mybright = &rgb_bright; /* default */
102
103		for (i = 1; i < argc; i++)
104		if (argv[i][0] == '-' || argv[i][0] == '+')
#	Line 71 | Line 109 | char  **argv;
109		case 'H':               /* resolution string */
110		resolution = argv[i][0] == '+';
111		break;
112	+	case 's':               /* skip bytes in header */
113	+	skipbytes = atol(argv[++i]);
114	+	break;
115		case 'u':               /* unique values */
116		uniq = argv[i][0] == '-';
117		break;
#	Line 78 | Line 119 | char  **argv;
119		original = argv[i][0] == '-';
120		break;
121		case 'g':               /* gamma correction */
122	<	gamcor = atof(argv[++i]);
122	>	gamcor = atof(argv[i+1]);
123		if (argv[i][0] == '+')
124		gamcor = 1.0/gamcor;
125	+	i++;
126		break;
127	+	case 'e':               /* exposure correction */
128	+	d = atof(argv[i+1]);
129	+	if (argv[i+1][0] == '-' || argv[i+1][0] == '+')
130	+	d = pow(2.0, d);
131	+	if (argv[i][0] == '-')
132	+	expval *= d;
133	+	scalecolor(exposure, d);
134	+	doexposure++;
135	+	i++;
136	+	break;
137		case 'R':               /* reverse byte sequence */
138		if (argv[i][0] == '-') {
139		ord[0]=BLU; ord[1]=GRN; ord[2]=RED;
#	Line 92 | Line 144 | char  **argv;
144		case 'r':               /* reverse conversion */
145		reverse = argv[i][0] == '-';
146		break;
147	+	case 'n':               /* non-interleaved RGB */
148	+	interleave = argv[i][0] == '+';
149	+	break;
150		case 'b':               /* brightness values */
151	<	brightonly = argv[i][0] == '-';
151	>	putprim = argv[i][0] == '-' ? BRIGHT : ALL;
152		break;
153	+	case 'p':               /* primary controls */
154	+	switch (argv[i][2]) {
155	+	/* these two options affect -r conversion */
156	+	case '\0':
157	+	myprims[RED][CIEX] = atof(argv[++i]);
158	+	myprims[RED][CIEY] = atof(argv[++i]);
159	+	myprims[GRN][CIEX] = atof(argv[++i]);
160	+	myprims[GRN][CIEY] = atof(argv[++i]);
161	+	myprims[BLU][CIEX] = atof(argv[++i]);
162	+	myprims[BLU][CIEY] = atof(argv[++i]);
163	+	myprims[WHT][CIEX] = atof(argv[++i]);
164	+	myprims[WHT][CIEY] = atof(argv[++i]);
165	+	outprims = myprims;
166	+	break;
167	+	case 'x': case 'X': outprims = NULL; break;
168	+	/* the following options affect +r only */
169	+	case 'r': case 'R': putprim = RED; break;
170	+	case 'g': case 'G': putprim = GRN; break;
171	+	case 'b': case 'B': putprim = BLU; break;
172	+	default: goto unkopt;
173	+	}
174	+	break;
175		case 'd':               /* data only (no indices) */
176	<	dataonly = argv[i][0] == '-';
176	>	dataonly = (argv[i][0] == '-');
177		switch (argv[i][2]) {
178		case '\0':
179		case 'a':               /* ascii */
#	Line 112 | Line 189 | char  **argv;
189		format = 'b';
190		fmtid = "byte";
191		break;
192	+	case 'W':               /* 16-bit swapped */
193	+	swapbytes = 1;
194	+	case 'w':               /* 16-bit */
195	+	dataonly = 1;
196	+	format = 'w';
197	+	fmtid = "16-bit";
198	+	break;
199	+	case 'F':               /* swapped floats */
200	+	swapbytes = 1;
201		case 'f':               /* float */
202		dataonly = 1;
203		format = 'f';
204		fmtid = "float";
205		break;
206	+	case 'D':               /* swapped doubles */
207	+	swapbytes = 1;
208		case 'd':               /* double */
209		dataonly = 1;
210		format = 'd';
#	Line 127 | Line 215 | char  **argv;
215		}
216		break;
217		case 'x':               /* x resolution */
218	+	case 'X':               /* x resolution */
219		resolution = 0;
220		if (argv[i][0] == '-')
221	<	picres.or |= XDECR;
221	>	picres.rt |= XDECR;
222		picres.xr = atoi(argv[++i]);
223		break;
224		case 'y':               /* y resolution */
225	+	case 'Y':               /* y resolution */
226		resolution = 0;
227		if (argv[i][0] == '-')
228	<	picres.or |= YDECR;
228	>	picres.rt |= YDECR;
229		if (picres.xr == 0)
230	<	picres.or |= YMAJOR;
230	>	picres.rt |= YMAJOR;
231		picres.yr = atoi(argv[++i]);
232		break;
233		default:
#	Line 150 | Line 240 | unkopt:
240		else
241		break;
242		/* recognize special formats */
243	<	if (dataonly && format == 'b')
244	<	if (brightonly)
243	>	if (dataonly && format == 'b') {
244	>	if (putprim == ALL)
245	>	fmtid = "24-bit_rgb";
246	>	else
247		fmtid = "8-bit_grey";
248	+	}
249	+	if (dataonly && format == 'w') {
250	+	if (putprim == ALL)
251	+	fmtid = "48-bit_rgb";
252		else
253	<	fmtid = "24-bit_rgb";
253	>	fmtid = "16-bit_grey";
254	>	}
255	>	if (!reverse || (format != 'a') & (format != 'i'))
256	>	inpmode = "rb";
257		/* assign reverse ordering */
258		rord[ord[0]] = 0;
259		rord[ord[1]] = 1;
260		rord[ord[2]] = 2;
261		/* get input */
262		if (i == argc) {
263	+	long    n = skipbytes;
264	+	if (inpmode[1] == 'b')
265	+	SET_FILE_BINARY(stdin);
266	+	while (n-- > 0)
267	+	if (getchar() == EOF) {
268	+	fprintf(stderr,
269	+	"%s: cannot skip %ld bytes on standard input\n",
270	+	progname, skipbytes);
271	+	quit(1);
272	+	}
273		fin = stdin;
274	<	} else if (i == argc-1) {
275	<	if ((fin = fopen(argv[i], "r")) == NULL) {
274	>	} else if (i < argc) {
275	>	if ((fin = fopen(argv[i], inpmode)) == NULL) {
276		fprintf(stderr, "%s: can't open file \"%s\"\n",
277		progname, argv[i]);
278		quit(1);
279		}
280	<	} else {
280	>	if (reverse && putprim != BRIGHT && i == argc-3) {
281	>	if ((fin2 = fopen(argv[i+1], inpmode)) == NULL) {
282	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
283	>	progname, argv[i+1]);
284	>	quit(1);
285	>	}
286	>	if ((fin3 = fopen(argv[i+2], inpmode)) == NULL) {
287	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
288	>	progname, argv[i+2]);
289	>	quit(1);
290	>	}
291	>	interleave = -1;
292	>	} else if (i != argc-1)
293	>	fin = NULL;
294	>	if (reverse && putprim != BRIGHT && !interleave) {
295	>	fin2 = fopen(argv[i], inpmode);
296	>	fin3 = fopen(argv[i], inpmode);
297	>	}
298	>	if (skipbytes && (fseek(fin, skipbytes, SEEK_SET) || (fin2 != NULL &&
299	>	fseek(fin2, skipbytes, SEEK_SET) |
300	>	fseek(fin3, skipbytes, SEEK_SET)))) {
301	>	fprintf(stderr, "%s: cannot skip %ld bytes on input\n",
302	>	progname, skipbytes);
303	>	quit(1);
304	>	}
305	>	}
306	>	if (fin == NULL) {
307		fprintf(stderr, "%s: bad # file arguments\n", progname);
308		quit(1);
309		}
310
176	–	set_io();
177	–
311		if (reverse) {
312	<	#ifdef MSDOS
180	<	setmode(fileno(stdout), O_BINARY);
181	<	if (format != 'a' && format != 'i')
182	<	setmode(fileno(fin), O_BINARY);
183	<	#endif
312	>	SET_FILE_BINARY(stdout);
313		/* get header */
314	<	if (header && checkheader(fin, fmtid, stdout) < 0) {
315	<	fprintf(stderr, "%s: wrong input format\n", progname);
316	<	quit(1);
317	<	}
314	>	if (header) {
315	>	getheader(fin, checkhead, stdout);
316	>	if (wrongformat) {
317	>	fprintf(stderr, "%s: wrong input format (expected %s)\n",
318	>	progname, fmtid);
319	>	quit(1);
320	>	}
321	>	if (fin2 != NULL) {
322	>	getheader(fin2, NULL, NULL);
323	>	getheader(fin3, NULL, NULL);
324	>	}
325	>	} else
326	>	newheader("RADIANCE", stdout);
327		/* get resolution */
328		if ((resolution && !fgetsresolu(&picres, fin)) ||
329		picres.xr <= 0 || picres.yr <= 0) {
330		fprintf(stderr, "%s: missing resolution\n", progname);
331		quit(1);
332		}
333	+	if (resolution && fin2 != NULL) {
334	+	RESOLU  pres2;
335	+	if (!fgetsresolu(&pres2, fin2) ||
336	+	pres2.rt != picres.rt ||
337	+	pres2.xr != picres.xr ||
338	+	pres2.yr != picres.yr ||
339	+	!fgetsresolu(&pres2, fin3) ||
340	+	pres2.rt != picres.rt ||
341	+	pres2.xr != picres.xr ||
342	+	pres2.yr != picres.yr) {
343	+	fprintf(stderr, "%s: resolution mismatch\n",
344	+	progname);
345	+	quit(1);
346	+	}
347	+	}
348		/* add to header */
349		printargs(i, argv, stdout);
350	<	fputformat(COLRFMT, stdout);
350	>	if (expval < .99 || expval > 1.01)
351	>	fputexpos(expval, stdout);
352	>	if (outprims != NULL) {
353	>	if (outprims != stdprims)
354	>	fputprims(outprims, stdout);
355	>	fputformat(COLRFMT, stdout);
356	>	} else                          /* XYZ data */
357	>	fputformat(CIEFMT, stdout);
358		putchar('\n');
359		fputsresolu(&picres, stdout);   /* always put resolution */
360		valtopix();
361		} else {
362	<	#ifdef MSDOS
363	<	setmode(fileno(fin), O_BINARY);
204	<	if (format != 'a' && format != 'i')
205	<	setmode(fileno(stdout), O_BINARY);
206	<	#endif
362	>	if ((format != 'a') & (format != 'i'))
363	>	SET_FILE_BINARY(stdout);
364		/* get header */
365	<	getheader(fin, checkhead, NULL);
365	>	getheader(fin, checkhead, header ? stdout : (FILE *)NULL);
366		if (wrongformat) {
367	<	fprintf(stderr, "%s: input not a Radiance picture\n",
367	>	fprintf(stderr,
368	>	"%s: input not a Radiance RGBE picture\n",
369		progname);
370		quit(1);
371		}
#	Line 217 | Line 375 | unkopt:
375		}
376		if (header) {
377		printargs(i, argv, stdout);
378	+	printf("NCOMP=%d\n", putprim==ALL ? 3 : 1);
379	+	if (!resolution && dataonly && !uniq)
380	+	printf("NCOLS=%d\nNROWS=%d\n", scanlen(&picres),
381	+	numscans(&picres));
382	+	if (expval < .99 || expval > 1.01)
383	+	fputexpos(expval, stdout);
384	+	if (swapbytes) {
385	+	if (nativebigendian())
386	+	puts("BigEndian=0");
387	+	else
388	+	puts("BigEndian=1");
389	+	} else if ((format != 'a') & (format != 'i'))
390	+	fputendian(stdout);
391		fputformat(fmtid, stdout);
392		putchar('\n');
393		}
#	Line 226 | Line 397 | unkopt:
397		}
398
399		quit(0);
400	+	return 0; /* pro forma return */
401		}
402
403
404	<	checkhead(line)                         /* deal with line from header */
405	<	char  *line;
404	>	static int
405	>	checkhead(                              /* deal with line from header */
406	>	char    *line,
407	>	void    *p
408	>	)
409		{
410	<	char    fmt[32];
410	>	FILE    *fout = (FILE *)p;
411	>	char    fmt[MAXFMTLEN];
412		double  d;
413		COLOR   ctmp;
414	+	int     rv;
415
416	<	if (isformat(line)) {
417	<	formatval(fmt, line);
418	<	wrongformat = strcmp(fmt, COLRFMT);
419	<	} else if (original && isexpos(line)) {
416	>	if (formatval(fmt, line)) {
417	>	if (reverse)
418	>	wrongformat = strcmp(fmt, fmtid);
419	>	else if (!strcmp(fmt, CIEFMT))
420	>	mybright = &xyz_bright;
421	>	else if (!strcmp(fmt, COLRFMT))
422	>	mybright = &rgb_bright;
423	>	else
424	>	wrongformat++;
425	>	return(1);
426	>	}
427	>	if (original && isexpos(line)) {
428		d = 1.0/exposval(line);
429		scalecolor(exposure, d);
430	<	} else if (original && iscolcor(line)) {
430	>	doexposure++;
431	>	return(1);
432	>	}
433	>	if (original && iscolcor(line)) {
434		colcorval(ctmp, line);
435		setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED),
436		colval(exposure,GRN)/colval(ctmp,GRN),
437		colval(exposure,BLU)/colval(ctmp,BLU));
438	<	} else if (header)
439	<	fputs(line, stdout);
438	>	doexposure++;
439	>	return(1);
440	>	}
441	>	if ((rv = isbigendian(line)) >= 0) {
442	>	if (reverse)
443	>	swapbytes = (nativebigendian() != rv);
444	>	return(1);
445	>	}
446	>	if (fout != NULL)
447	>	fputs(line, fout);
448	>	return(0);
449		}
450
451
452	<	pixtoval()                              /* convert picture to values */
452	>	static void
453	>	pixtoval(void)                          /* convert picture to values */
454		{
455	<	register COLOR  *scanln;
455	>	COLOR   *scanln;
456		int  dogamma;
457		COLOR  lastc;
458	<	FLOAT  hv[2];
459	<	int  y;
460	<	register int  x;
458	>	RREAL  hv[2];
459	>	int  startprim, endprim;
460	>	long  startpos;
461	>	int  x, y;
462
463		scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
464		if (scanln == NULL) {
#	Line 267 | Line 466 | pixtoval()                             /* convert picture to values */
466		quit(1);
467		}
468		dogamma = gamcor < .95 || gamcor > 1.05;
469	<	setcolor(lastc, 0.0, 0.0, 0.0);
470	<	for (y = 0; y < numscans(&picres); y++) {
471	<	if (freadscan(scanln, scanlen(&picres), fin) < 0) {
472	<	fprintf(stderr, "%s: read error\n", progname);
469	>	if ((putprim == ALL) & !interleave) {
470	>	startprim = RED; endprim = BLU;
471	>	startpos = ftell(fin);
472	>	} else {
473	>	startprim = putprim; endprim = putprim;
474	>	}
475	>	for (putprim = startprim; putprim <= endprim; putprim++) {
476	>	if (putprim != startprim && fseek(fin, startpos, SEEK_SET)) {
477	>	fprintf(stderr, "%s: seek error on input file\n",
478	>	progname);
479		quit(1);
480		}
481	<	for (x = 0; x < scanlen(&picres); x++) {
482	<	if (uniq)
483	<	if (    colval(scanln[x],RED) ==
484	<	colval(lastc,RED) &&
485	<	colval(scanln[x],GRN) ==
281	<	colval(lastc,GRN) &&
282	<	colval(scanln[x],BLU) ==
283	<	colval(lastc,BLU)       )
284	<	continue;
285	<	else
286	<	copycolor(lastc, scanln[x]);
287	<	if (original)
288	<	multcolor(scanln[x], exposure);
289	<	if (dogamma)
290	<	setcolor(scanln[x],
291	<	pow(colval(scanln[x],RED), 1.0/gamcor),
292	<	pow(colval(scanln[x],GRN), 1.0/gamcor),
293	<	pow(colval(scanln[x],BLU), 1.0/gamcor));
294	<	if (!dataonly) {
295	<	pix2loc(hv, &picres, x, y);
296	<	printf("%7d %7d ", (int)(hv[0]*picres.xr),
297	<	(int)(hv[1]*picres.yr));
298	<	}
299	<	if ((*putval)(scanln[x], stdout) < 0) {
300	<	fprintf(stderr, "%s: write error\n", progname);
481	>	set_io();
482	>	setcolor(lastc, 0.0, 0.0, 0.0);
483	>	for (y = 0; y < numscans(&picres); y++) {
484	>	if (freadscan(scanln, scanlen(&picres), fin) < 0) {
485	>	fprintf(stderr, "%s: read error\n", progname);
486		quit(1);
487		}
488	+	for (x = 0; x < scanlen(&picres); x++) {
489	+	if (uniq) {
490	+	if (    colval(scanln[x],RED) ==
491	+	colval(lastc,RED) &&
492	+	colval(scanln[x],GRN) ==
493	+	colval(lastc,GRN) &&
494	+	colval(scanln[x],BLU) ==
495	+	colval(lastc,BLU)       )
496	+	continue;
497	+	else
498	+	copycolor(lastc, scanln[x]);
499	+	}
500	+	if (doexposure)
501	+	multcolor(scanln[x], exposure);
502	+	if (dogamma)
503	+	setcolor(scanln[x],
504	+	pow(colval(scanln[x],RED), 1.0/gamcor),
505	+	pow(colval(scanln[x],GRN), 1.0/gamcor),
506	+	pow(colval(scanln[x],BLU), 1.0/gamcor));
507	+	if (!dataonly) {
508	+	pix2loc(hv, &picres, x, y);
509	+	printf("%7d %7d ",
510	+	(int)(hv[0]*picres.xr),
511	+	(int)(hv[1]*picres.yr));
512	+	}
513	+	if ((*putval)(scanln[x]) < 0) {
514	+	fprintf(stderr, "%s: write error\n",
515	+	progname);
516	+	quit(1);
517	+	}
518	+	}
519		}
520		}
521	<	free((char *)scanln);
521	>	free((void *)scanln);
522		}
523
524
525	<	valtopix()                      /* convert values to a pixel file */
525	>	static void
526	>	valtopix(void)                  /* convert values to a pixel file */
527		{
528	<	int  dogamma;
529	<	register COLOR  *scanln;
530	<	int  y;
531	<	register int  x;
528	>	int     dogamma;
529	>	COLOR   *scanln;
530	>	COLR    rgbe;
531	>	int     x, y;
532
533		scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
534		if (scanln == NULL) {
#	Line 319 | Line 536 | valtopix()                     /* convert values to a pixel file */
536		quit(1);
537		}
538		dogamma = gamcor < .95 || gamcor > 1.05;
539	+	set_io();
540		for (y = 0; y < numscans(&picres); y++) {
541		for (x = 0; x < scanlen(&picres); x++) {
542	<	if (!dataonly)
542	>	if (!dataonly) {
543		fscanf(fin, "%*d %*d");
544	<	if ((*getval)(scanln[x], fin) < 0) {
544	>	if (fin2 != NULL) {
545	>	fscanf(fin2, "%*d %*d");
546	>	fscanf(fin3, "%*d %*d");
547	>	}
548	>	}
549	>	if ((*getval)(scanln[x]) < 0) {
550		fprintf(stderr, "%s: read error\n", progname);
551		quit(1);
552		}
#	Line 332 | Line 555 | valtopix()                     /* convert values to a pixel file */
555		pow(colval(scanln[x],RED), gamcor),
556		pow(colval(scanln[x],GRN), gamcor),
557		pow(colval(scanln[x],BLU), gamcor));
558	+	if (doexposure)
559	+	multcolor(scanln[x], exposure);
560	+	if (uniq) {             /* uncompressed? */
561	+	setcolr(rgbe,   scanln[x][RED],
562	+	scanln[x][GRN],
563	+	scanln[x][BLU]);
564	+	if (putbinary(rgbe, sizeof(COLR), 1, stdout) != 1)
565	+	goto writerr;
566	+	}
567		}
568	<	if (fwritescan(scanln, scanlen(&picres), stdout) < 0) {
569	<	fprintf(stderr, "%s: write error\n", progname);
570	<	quit(1);
339	<	}
568	>	/* write scan if compressed */
569	>	if (!uniq && fwritescan(scanln, scanlen(&picres), stdout) < 0)
570	>	goto writerr;
571		}
572	<	free((char *)scanln);
572	>	free((void *)scanln);
573	>	return;
574	>	writerr:
575	>	fprintf(stderr, "%s: write error\n", progname);
576	>	quit(1);
577		}
578
579
580	+	void
581		quit(code)
582		int  code;
583		{
#	Line 349 | Line 585 | int  code;
585		}
586
587
588	<	getcascii(col, fp)              /* get an ascii color value from fp */
589	<	COLOR  col;
590	<	FILE  *fp;
588	>	static int
589	>	getcascii(              /* get an ascii color value from stream(s) */
590	>	COLOR  col
591	>	)
592		{
593		double  vd[3];
594
595	<	if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
596	<	return(-1);
595	>	if (fin2 == NULL) {
596	>	if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
597	>	return(-1);
598	>	} else {
599	>	if (fscanf(fin, "%lf", &vd[0]) != 1 ||
600	>	fscanf(fin2, "%lf", &vd[1]) != 1 ||
601	>	fscanf(fin3, "%lf", &vd[2]) != 1)
602	>	return(-1);
603	>	}
604		setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
605		return(0);
606		}
607
608
609	<	getcdouble(col, fp)             /* get a double color value from fp */
610	<	COLOR  col;
611	<	FILE  *fp;
609	>	static int
610	>	getcdouble(             /* get a double color value from stream(s) */
611	>	COLOR  col
612	>	)
613		{
614		double  vd[3];
615
616	<	if (fread((char *)vd, sizeof(double), 3, fp) != 3)
617	<	return(-1);
616	>	if (fin2 == NULL) {
617	>	if (getbinary(vd, sizeof(double), 3, fin) != 3)
618	>	return(-1);
619	>	} else {
620	>	if (getbinary(vd, sizeof(double), 1, fin) != 1 ||
621	>	getbinary(vd+1, sizeof(double), 1, fin2) != 1 ||
622	>	getbinary(vd+2, sizeof(double), 1, fin3) != 1)
623	>	return(-1);
624	>	}
625	>	if (swapbytes)
626	>	swap64((char *)vd, 3);
627		setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
628		return(0);
629		}
630
631
632	<	getcfloat(col, fp)              /* get a float color value from fp */
633	<	COLOR  col;
634	<	FILE  *fp;
632	>	static int
633	>	getcfloat(              /* get a float color value from stream(s) */
634	>	COLOR  col
635	>	)
636		{
637		float  vf[3];
638
639	<	if (fread((char *)vf, sizeof(float), 3, fp) != 3)
640	<	return(-1);
639	>	if (fin2 == NULL) {
640	>	if (getbinary(vf, sizeof(float), 3, fin) != 3)
641	>	return(-1);
642	>	} else {
643	>	if (getbinary(vf, sizeof(float), 1, fin) != 1 ||
644	>	getbinary(vf+1, sizeof(float), 1, fin2) != 1 ||
645	>	getbinary(vf+2, sizeof(float), 1, fin3) != 1)
646	>	return(-1);
647	>	}
648	>	if (swapbytes)
649	>	swap32((char *)vf, 3);
650		setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]);
651		return(0);
652		}
653
654
655	<	getcint(col, fp)                /* get an int color value from fp */
656	<	COLOR  col;
657	<	FILE  *fp;
655	>	static int
656	>	getcint(                /* get an int color value from stream(s) */
657	>	COLOR  col
658	>	)
659		{
660		int  vi[3];
661
662	<	if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
663	<	return(-1);
662	>	if (fin2 == NULL) {
663	>	if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
664	>	return(-1);
665	>	} else {
666	>	if (fscanf(fin, "%d", &vi[0]) != 1 ||
667	>	fscanf(fin2, "%d", &vi[1]) != 1 ||
668	>	fscanf(fin3, "%d", &vi[2]) != 1)
669	>	return(-1);
670	>	}
671		setcolor(col, (vi[rord[RED]]+.5)/256.,
672		(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.);
673		return(0);
674		}
675
676
677	<	getcbyte(col, fp)               /* get a byte color value from fp */
678	<	COLOR  col;
679	<	FILE  *fp;
677	>	static int
678	>	getcbyte(               /* get a byte color value from stream(s) */
679	>	COLOR  col
680	>	)
681		{
682	<	BYTE  vb[3];
682	>	uby8  vb[3];
683
684	<	if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3)
685	<	return(-1);
684	>	if (fin2 == NULL) {
685	>	if (getbinary(vb, sizeof(uby8), 3, fin) != 3)
686	>	return(-1);
687	>	} else {
688	>	if (getbinary(vb, sizeof(uby8), 1, fin) != 1 ||
689	>	getbinary(vb+1, sizeof(uby8), 1, fin2) != 1 ||
690	>	getbinary(vb+2, sizeof(uby8), 1, fin3) != 1)
691	>	return(-1);
692	>	}
693		setcolor(col, (vb[rord[RED]]+.5)/256.,
694		(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.);
695		return(0);
696		}
697
698
699	<	getbascii(col, fp)              /* get an ascii brightness value from fp */
700	<	COLOR  col;
701	<	FILE  *fp;
699	>	static int
700	>	getcword(               /* get a 16-bit color value from stream(s) */
701	>	COLOR  col
702	>	)
703		{
704	+	uint16  vw[3];
705	+
706	+	if (fin2 == NULL) {
707	+	if (getbinary(vw, sizeof(uint16), 3, fin) != 3)
708	+	return(-1);
709	+	} else {
710	+	if (getbinary(vw, sizeof(uint16), 1, fin) != 1 ||
711	+	getbinary(vw+1, sizeof(uint16), 1, fin2) != 1 ||
712	+	getbinary(vw+2, sizeof(uint16), 1, fin3) != 1)
713	+	return(-1);
714	+	}
715	+	if (swapbytes)
716	+	swap16((char *)vw, 3);
717	+	setcolor(col, (vw[rord[RED]]+.5)/65536.,
718	+	(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.);
719	+	return(0);
720	+	}
721	+
722	+
723	+	static int
724	+	getbascii(              /* get an ascii brightness value from fin */
725	+	COLOR  col
726	+	)
727	+	{
728		double  vd;
729
730	<	if (fscanf(fp, "%lf", &vd) != 1)
730	>	if (fscanf(fin, "%lf", &vd) != 1)
731		return(-1);
732		setcolor(col, vd, vd, vd);
733		return(0);
734		}
735
736
737	<	getbdouble(col, fp)             /* get a double brightness value from fp */
738	<	COLOR  col;
739	<	FILE  *fp;
737	>	static int
738	>	getbdouble(             /* get a double brightness value from fin */
739	>	COLOR  col
740	>	)
741		{
742		double  vd;
743
744	<	if (fread((char *)&vd, sizeof(double), 1, fp) != 1)
744	>	if (getbinary(&vd, sizeof(double), 1, fin) != 1)
745		return(-1);
746	+	if (swapbytes)
747	+	swap64((char *)&vd, 1);
748		setcolor(col, vd, vd, vd);
749		return(0);
750		}
751
752
753	<	getbfloat(col, fp)              /* get a float brightness value from fp */
754	<	COLOR  col;
755	<	FILE  *fp;
753	>	static int
754	>	getbfloat(              /* get a float brightness value from fin */
755	>	COLOR  col
756	>	)
757		{
758		float  vf;
759
760	<	if (fread((char *)&vf, sizeof(float), 1, fp) != 1)
760	>	if (getbinary(&vf, sizeof(float), 1, fin) != 1)
761		return(-1);
762	+	if (swapbytes)
763	+	swap32((char *)&vf, 1);
764		setcolor(col, vf, vf, vf);
765		return(0);
766		}
767
768
769	<	getbint(col, fp)                /* get an int brightness value from fp */
770	<	COLOR  col;
771	<	FILE  *fp;
769	>	static int
770	>	getbint(                /* get an int brightness value from fin */
771	>	COLOR  col
772	>	)
773		{
774		int  vi;
775		double  d;
776
777	<	if (fscanf(fp, "%d", &vi) != 1)
777	>	if (fscanf(fin, "%d", &vi) != 1)
778		return(-1);
779		d = (vi+.5)/256.;
780		setcolor(col, d, d, d);
#	Line 470 | Line 782 | FILE  *fp;
782		}
783
784
785	<	getbbyte(col, fp)               /* get a byte brightness value from fp */
786	<	COLOR  col;
787	<	FILE  *fp;
785	>	static int
786	>	getbbyte(               /* get a byte brightness value from fin */
787	>	COLOR  col
788	>	)
789		{
790	<	BYTE  vb;
790	>	uby8  vb;
791		double  d;
792
793	<	if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1)
793	>	if (getbinary(&vb, sizeof(uby8), 1, fin) != 1)
794		return(-1);
795		d = (vb+.5)/256.;
796		setcolor(col, d, d, d);
#	Line 485 | Line 798 | FILE  *fp;
798		}
799
800
801	<	putcascii(col, fp)                      /* put an ascii color to fp */
802	<	COLOR  col;
803	<	FILE  *fp;
801	>	static int
802	>	getbword(               /* get a 16-bit brightness value from fin */
803	>	COLOR  col
804	>	)
805		{
806	<	fprintf(fp, "%15.3e %15.3e %15.3e\n",
806	>	uint16  vw;
807	>	double  d;
808	>
809	>	if (getbinary(&vw, sizeof(uint16), 1, fin) != 1)
810	>	return(-1);
811	>	if (swapbytes)
812	>	swap16((char *)&vw, 1);
813	>	d = (vw+.5)/65536.;
814	>	setcolor(col, d, d, d);
815	>	return(0);
816	>	}
817	>
818	>
819	>	static int
820	>	putcascii(                      /* put an ascii color to stdout */
821	>	COLOR  col
822	>	)
823	>	{
824	>	fprintf(stdout, "%15.3e %15.3e %15.3e\n",
825		colval(col,ord[0]),
826		colval(col,ord[1]),
827		colval(col,ord[2]));
828
829	<	return(ferror(fp) ? -1 : 0);
829	>	return(ferror(stdout) ? -1 : 0);
830		}
831
832
833	<	putcfloat(col, fp)                      /* put a float color to fp */
834	<	COLOR  col;
835	<	FILE  *fp;
833	>	static int
834	>	putcfloat(                      /* put a float color to stdout */
835	>	COLOR  col
836	>	)
837		{
838		float  vf[3];
839
840		vf[0] = colval(col,ord[0]);
841		vf[1] = colval(col,ord[1]);
842		vf[2] = colval(col,ord[2]);
843	<	fwrite((char *)vf, sizeof(float), 3, fp);
843	>	if (swapbytes)
844	>	swap32((char *)vf, 3);
845	>	putbinary(vf, sizeof(float), 3, stdout);
846
847	<	return(ferror(fp) ? -1 : 0);
847	>	return(ferror(stdout) ? -1 : 0);
848		}
849
850
851	<	putcdouble(col, fp)                     /* put a double color to fp */
852	<	COLOR  col;
853	<	FILE  *fp;
851	>	static int
852	>	putcdouble(                     /* put a double color to stdout */
853	>	COLOR  col
854	>	)
855		{
856		double  vd[3];
857
858		vd[0] = colval(col,ord[0]);
859		vd[1] = colval(col,ord[1]);
860		vd[2] = colval(col,ord[2]);
861	<	fwrite((char *)vd, sizeof(double), 3, fp);
861	>	if (swapbytes)
862	>	swap64((char *)vd, 3);
863	>	putbinary(vd, sizeof(double), 3, stdout);
864
865	<	return(ferror(fp) ? -1 : 0);
865	>	return(ferror(stdout) ? -1 : 0);
866		}
867
868
869	<	putcint(col, fp)                        /* put an int color to fp */
870	<	COLOR  col;
871	<	FILE  *fp;
869	>	static int
870	>	putcint(                        /* put an int color to stdout */
871	>	COLOR  col
872	>	)
873		{
874	<	fprintf(fp, "%d %d %d\n",
874	>	fprintf(stdout, "%d %d %d\n",
875		(int)(colval(col,ord[0])*256.),
876		(int)(colval(col,ord[1])*256.),
877		(int)(colval(col,ord[2])*256.));
878
879	<	return(ferror(fp) ? -1 : 0);
879	>	return(ferror(stdout) ? -1 : 0);
880		}
881
882
883	<	putcbyte(col, fp)                       /* put a byte color to fp */
884	<	COLOR  col;
885	<	FILE  *fp;
883	>	static int
884	>	putcbyte(                       /* put a byte color to stdout */
885	>	COLOR  col
886	>	)
887		{
888	<	register int  i;
889	<	BYTE  vb[3];
888	>	long  i;
889	>	uby8  vb[3];
890
891		i = colval(col,ord[0])*256.;
892		vb[0] = min(i,255);
#	Line 554 | Line 894 | FILE  *fp;
894		vb[1] = min(i,255);
895		i = colval(col,ord[2])*256.;
896		vb[2] = min(i,255);
897	<	fwrite((char *)vb, sizeof(BYTE), 3, fp);
897	>	putbinary(vb, sizeof(uby8), 3, stdout);
898
899	<	return(ferror(fp) ? -1 : 0);
899	>	return(ferror(stdout) ? -1 : 0);
900		}
901
902
903	<	putbascii(col, fp)                      /* put an ascii brightness to fp */
904	<	COLOR  col;
905	<	FILE  *fp;
903	>	static int
904	>	putcword(                       /* put a 16-bit color to stdout */
905	>	COLOR  col
906	>	)
907		{
908	<	fprintf(fp, "%15.3e\n", bright(col));
908	>	long  i;
909	>	uint16  vw[3];
910
911	<	return(ferror(fp) ? -1 : 0);
911	>	i = colval(col,ord[0])*65536.;
912	>	vw[0] = min(i,65535);
913	>	i = colval(col,ord[1])*65536.;
914	>	vw[1] = min(i,65535);
915	>	i = colval(col,ord[2])*65536.;
916	>	vw[2] = min(i,65535);
917	>	if (swapbytes)
918	>	swap16((char *)vw, 3);
919	>	putbinary(vw, sizeof(uint16), 3, stdout);
920	>
921	>	return(ferror(stdout) ? -1 : 0);
922		}
923
924
925	<	putbfloat(col, fp)                      /* put a float brightness to fp */
926	<	COLOR  col;
927	<	FILE  *fp;
925	>	static int
926	>	putbascii(                      /* put an ascii brightness to stdout */
927	>	COLOR  col
928	>	)
929		{
930	+	fprintf(stdout, "%15.3e\n", (*mybright)(col));
931	+
932	+	return(ferror(stdout) ? -1 : 0);
933	+	}
934	+
935	+
936	+	static int
937	+	putbfloat(                      /* put a float brightness to stdout */
938	+	COLOR  col
939	+	)
940	+	{
941		float  vf;
942
943	<	vf = bright(col);
944	<	fwrite((char *)&vf, sizeof(float), 1, fp);
943	>	vf = (*mybright)(col);
944	>	if (swapbytes)
945	>	swap32((char *)&vf, 1);
946	>	putbinary(&vf, sizeof(float), 1, stdout);
947
948	<	return(ferror(fp) ? -1 : 0);
948	>	return(ferror(stdout) ? -1 : 0);
949		}
950
951
952	<	putbdouble(col, fp)                     /* put a double brightness to fp */
953	<	COLOR  col;
954	<	FILE  *fp;
952	>	static int
953	>	putbdouble(                     /* put a double brightness to stdout */
954	>	COLOR  col
955	>	)
956		{
957		double  vd;
958
959	<	vd = bright(col);
960	<	fwrite((char *)&vd, sizeof(double), 1, fp);
959	>	vd = (*mybright)(col);
960	>	if (swapbytes)
961	>	swap64((char *)&vd, 1);
962	>	putbinary(&vd, sizeof(double), 1, stdout);
963
964	<	return(ferror(fp) ? -1 : 0);
964	>	return(ferror(stdout) ? -1 : 0);
965		}
966
967
968	<	putbint(col, fp)                        /* put an int brightness to fp */
969	<	COLOR  col;
970	<	FILE  *fp;
968	>	static int
969	>	putbint(                        /* put an int brightness to stdout */
970	>	COLOR  col
971	>	)
972		{
973	<	fprintf(fp, "%d\n", (int)(bright(col)*256.));
973	>	fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.));
974
975	<	return(ferror(fp) ? -1 : 0);
975	>	return(ferror(stdout) ? -1 : 0);
976		}
977
978
979	<	putbbyte(col, fp)                       /* put a byte brightness to fp */
980	<	COLOR  col;
981	<	FILE  *fp;
979	>	static int
980	>	putbbyte(                       /* put a byte brightness to stdout */
981	>	COLOR  col
982	>	)
983		{
984	<	register int  i;
985	<	BYTE  vb;
984	>	int  i;
985	>	uby8  vb;
986
987	<	i = bright(col)*256.;
987	>	i = (*mybright)(col)*256.;
988		vb = min(i,255);
989	<	fwrite((char *)&vb, sizeof(BYTE), 1, fp);
989	>	putbinary(&vb, sizeof(uby8), 1, stdout);
990
991	<	return(ferror(fp) ? -1 : 0);
991	>	return(ferror(stdout) ? -1 : 0);
992		}
993
994
995	<	set_io()                        /* set put and get functions */
995	>	static int
996	>	putbword(                       /* put a 16-bit brightness to stdout */
997	>	COLOR  col
998	>	)
999		{
1000	+	long  i;
1001	+	uint16  vw;
1002	+
1003	+	i = (*mybright)(col)*65536.;
1004	+	vw = min(i,65535);
1005	+	if (swapbytes)
1006	+	swap16((char *)&vw, 1);
1007	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1008	+
1009	+	return(ferror(stdout) ? -1 : 0);
1010	+	}
1011	+
1012	+
1013	+	static int
1014	+	putpascii(                      /* put an ascii primary to stdout */
1015	+	COLOR  col
1016	+	)
1017	+	{
1018	+	fprintf(stdout, "%15.3e\n", colval(col,putprim));
1019	+
1020	+	return(ferror(stdout) ? -1 : 0);
1021	+	}
1022	+
1023	+
1024	+	static int
1025	+	putpfloat(                      /* put a float primary to stdout */
1026	+	COLOR  col
1027	+	)
1028	+	{
1029	+	float  vf;
1030	+
1031	+	vf = colval(col,putprim);
1032	+	if (swapbytes)
1033	+	swap32((char *)&vf, 1);
1034	+	putbinary(&vf, sizeof(float), 1, stdout);
1035	+
1036	+	return(ferror(stdout) ? -1 : 0);
1037	+	}
1038	+
1039	+
1040	+	static int
1041	+	putpdouble(                     /* put a double primary to stdout */
1042	+	COLOR  col
1043	+	)
1044	+	{
1045	+	double  vd;
1046	+
1047	+	vd = colval(col,putprim);
1048	+	if (swapbytes)
1049	+	swap64((char *)&vd, 1);
1050	+	putbinary(&vd, sizeof(double), 1, stdout);
1051	+
1052	+	return(ferror(stdout) ? -1 : 0);
1053	+	}
1054	+
1055	+
1056	+	static int
1057	+	putpint(                        /* put an int primary to stdout */
1058	+	COLOR  col
1059	+	)
1060	+	{
1061	+	fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.));
1062	+
1063	+	return(ferror(stdout) ? -1 : 0);
1064	+	}
1065	+
1066	+
1067	+	static int
1068	+	putpbyte(                       /* put a byte primary to stdout */
1069	+	COLOR  col
1070	+	)
1071	+	{
1072	+	long  i;
1073	+	uby8  vb;
1074	+
1075	+	i = colval(col,putprim)*256.;
1076	+	vb = min(i,255);
1077	+	putbinary(&vb, sizeof(uby8), 1, stdout);
1078	+
1079	+	return(ferror(stdout) ? -1 : 0);
1080	+	}
1081	+
1082	+
1083	+	static int
1084	+	putpword(                       /* put a 16-bit primary to stdout */
1085	+	COLOR  col
1086	+	)
1087	+	{
1088	+	long  i;
1089	+	uint16  vw;
1090	+
1091	+	i = colval(col,putprim)*65536.;
1092	+	vw = min(i,65535);
1093	+	if (swapbytes)
1094	+	swap16((char *)&vw, 1);
1095	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1096	+
1097	+	return(ferror(stdout) ? -1 : 0);
1098	+	}
1099	+
1100	+
1101	+	static void
1102	+	set_io(void)                    /* set put and get functions */
1103	+	{
1104		switch (format) {
1105		case 'a':                                       /* ascii */
1106	<	if (brightonly) {
1106	>	if (putprim == BRIGHT) {
1107		getval = getbascii;
1108		putval = putbascii;
1109	+	} else if (putprim != ALL) {
1110	+	getval = getbascii;
1111	+	putval = putpascii;
1112		} else {
1113		getval = getcascii;
1114		putval = putcascii;
1115	+	if (reverse && !interleave) {
1116	+	fprintf(stderr,
1117	+	"%s: ASCII input files must be interleaved\n",
1118	+	progname);
1119	+	quit(1);
1120	+	}
1121		}
1122		return;
1123		case 'f':                                       /* binary float */
1124	<	if (brightonly) {
1124	>	if (putprim == BRIGHT) {
1125		getval = getbfloat;
1126		putval = putbfloat;
1127	+	} else if (putprim != ALL) {
1128	+	getval = getbfloat;
1129	+	putval = putpfloat;
1130		} else {
1131		getval = getcfloat;
1132		putval = putcfloat;
1133	+	if (reverse && !interleave) {
1134	+	if (fin2 == NULL)
1135	+	goto namerr;
1136	+	if (fseek(fin2,
1137	+	(long)sizeof(float)*picres.xr*picres.yr, SEEK_CUR))
1138	+	goto seekerr;
1139	+	if (fseek(fin3,
1140	+	(long)sizeof(float)*2*picres.xr*picres.yr, SEEK_CUR))
1141	+	goto seekerr;
1142	+	}
1143		}
1144		return;
1145		case 'd':                                       /* binary double */
1146	<	if (brightonly) {
1146	>	if (putprim == BRIGHT) {
1147		getval = getbdouble;
1148		putval = putbdouble;
1149	+	} else if (putprim != ALL) {
1150	+	getval = getbdouble;
1151	+	putval = putpdouble;
1152		} else {
1153		getval = getcdouble;
1154		putval = putcdouble;
1155	+	if (reverse && !interleave) {
1156	+	if (fin2 == NULL)
1157	+	goto namerr;
1158	+	if (fseek(fin2,
1159	+	(long)sizeof(double)*picres.xr*picres.yr, SEEK_CUR))
1160	+	goto seekerr;
1161	+	if (fseek(fin3,
1162	+	(long)sizeof(double)*2*picres.xr*picres.yr, SEEK_CUR))
1163	+	goto seekerr;
1164	+	}
1165		}
1166		return;
1167		case 'i':                                       /* integer */
1168	<	if (brightonly) {
1168	>	if (putprim == BRIGHT) {
1169		getval = getbint;
1170		putval = putbint;
1171	+	} else if (putprim != ALL) {
1172	+	getval = getbint;
1173	+	putval = putpint;
1174		} else {
1175		getval = getcint;
1176		putval = putcint;
1177	+	if (reverse && !interleave) {
1178	+	fprintf(stderr,
1179	+	"%s: integer input files must be interleaved\n",
1180	+	progname);
1181	+	quit(1);
1182	+	}
1183		}
1184		return;
1185		case 'b':                                       /* byte */
1186	<	if (brightonly) {
1186	>	if (putprim == BRIGHT) {
1187		getval = getbbyte;
1188		putval = putbbyte;
1189	+	} else if (putprim != ALL) {
1190	+	getval = getbbyte;
1191	+	putval = putpbyte;
1192		} else {
1193		getval = getcbyte;
1194		putval = putcbyte;
1195	+	if (reverse && !interleave) {
1196	+	if (fin2 == NULL)
1197	+	goto namerr;
1198	+	if (fseek(fin2,
1199	+	(long)sizeof(uby8)*picres.xr*picres.yr, SEEK_CUR))
1200	+	goto seekerr;
1201	+	if (fseek(fin3,
1202	+	(long)sizeof(uby8)*2*picres.xr*picres.yr, SEEK_CUR))
1203	+	goto seekerr;
1204	+	}
1205		}
1206		return;
1207	+	case 'w':                                       /* 16-bit */
1208	+	if (putprim == BRIGHT) {
1209	+	getval = getbword;
1210	+	putval = putbword;
1211	+	} else if (putprim != ALL) {
1212	+	getval = getbword;
1213	+	putval = putpword;
1214	+	} else {
1215	+	getval = getcword;
1216	+	putval = putcword;
1217	+	if (reverse && !interleave) {
1218	+	if (fin2 == NULL)
1219	+	goto namerr;
1220	+	if (fseek(fin2,
1221	+	(long)sizeof(uint16)*picres.xr*picres.yr, SEEK_CUR))
1222	+	goto seekerr;
1223	+	if (fseek(fin3,
1224	+	(long)sizeof(uint16)*2*picres.xr*picres.yr, SEEK_CUR))
1225	+	goto seekerr;
1226	+	}
1227	+	}
1228	+	return;
1229		}
1230	+	/* badopt: */ /* label not used */
1231	+	fprintf(stderr, "%s: botched file type\n", progname);
1232	+	quit(1);
1233	+	namerr:
1234	+	fprintf(stderr, "%s: non-interleaved file(s) must be named\n",
1235	+	progname);
1236	+	quit(1);
1237	+	seekerr:
1238	+	fprintf(stderr, "%s: cannot seek on interleaved input file\n",
1239	+	progname);
1240	+	quit(1);
1241		}

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