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

Comparing ray/src/px/pvalue.c (file contents):
Revision 1.5 by greg, Fri Dec 14 16:33:19 1990 UTC vs.
Revision 2.41 by greg, Fri Feb 4 20:11:49 2022 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1986 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  <stdio.h>
11	<
10	>	#include  "platform.h"
11	>	#include  "standard.h"
12		#include  "color.h"
13	+	#include  "resolu.h"
14	+	#include  "view.h"
15
16	<	#define  min(a,b)               ((a)<(b)?(a):(b))
16	>	#define  min(a,b)               ((a)<(b)?(a):(b))
17
18	<	int  xres = 0;                  /* resolution of input */
19	<	int  yres = 0;
18	>	/* what to put out (also RED, GRN, BLU) */
19	>	#define  ALL            3
20	>	#define  BRIGHT         4
21
22	<	int  uniq = 0;                  /* unique values? */
23	<
24	<	int  original = 0;              /* original values? */
25	<
22	>	RESOLU  picres;                 /* resolution of picture */
23	>	int  uniq = 0;                  /* print only unique values? */
24	>	int  doexposure = 0;            /* exposure change? (>100 to print) */
25		int  dataonly = 0;              /* data only format? */
26	<
28	<	int  brightonly = 0;            /* only brightness values? */
29	<
26	>	int  putprim = ALL;             /* what to put out */
27		int  reverse = 0;               /* reverse conversion? */
31	–
28		int  format = 'a';              /* input/output format */
29	+	char  *fmtid = "ascii";         /* format identifier for header */
30	+	int  header = 1;                /* do header? */
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	+	int  original = 0;              /* convert to original values? */
36	+	int  wrongformat = 0;           /* wrong input format? */
37	+	double  gamcor = 1.0;           /* gamma correction */
38
39	<	int  header = 1;                /* do header */
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	+
45		COLOR  exposure = WHTCOLOR;
46
47		char  *progname;
48
49		FILE  *fin;
50	+	FILE  *fin2 = NULL, *fin3 = NULL;       /* for other color channels */
51
42	–	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 double  atof();
80	<	extern int  checkhead();
51	<	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] == '-')
104	>	if (argv[i][0] == '-' || argv[i][0] == '+')
105		switch (argv[i][1]) {
106	<	case 'h':               /* no header */
107	<	header = 0;
106	>	case 'h':               /* header */
107	>	header = argv[i][0] == '+';
108		break;
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 = 1;
116	>	uniq = argv[i][0] == '-';
117		break;
118		case 'o':               /* original values */
119	<	original = 1;
119	>	original = argv[i][0] == '-';
120		break;
121	+	case 'O':               /* original watts/sr/m^2 */
122	+	original = -(argv[i][0] == '-');
123	+	break;
124	+	case 'g':               /* gamma correction */
125	+	gamcor = atof(argv[i+1]);
126	+	if (argv[i][0] == '+')
127	+	gamcor = 1.0/gamcor;
128	+	i++;
129	+	break;
130	+	case 'e':               /* exposure correction */
131	+	d = atof(argv[i+1]);
132	+	if (argv[i+1][0] == '-' || argv[i+1][0] == '+')
133	+	d = pow(2.0, d);
134	+	if (argv[i][0] == '-')
135	+	expval *= d;
136	+	scalecolor(exposure, d);
137	+	doexposure++;
138	+	i++;
139	+	break;
140	+	case 'R':               /* reverse byte sequence */
141	+	if (argv[i][0] == '-') {
142	+	ord[0]=BLU; ord[1]=GRN; ord[2]=RED;
143	+	} else {
144	+	ord[0]=RED; ord[1]=GRN; ord[2]=BLU;
145	+	}
146	+	break;
147		case 'r':               /* reverse conversion */
148	<	reverse = 1;
148	>	reverse = argv[i][0] == '-';
149		break;
150	+	case 'n':               /* non-interleaved RGB */
151	+	interleave = argv[i][0] == '+';
152	+	break;
153		case 'b':               /* brightness values */
154	<	brightonly = 1;
154	>	putprim = argv[i][0] == '-' ? BRIGHT : ALL;
155		break;
156	+	case 'p':               /* primary controls */
157	+	switch (argv[i][2]) {
158	+	/* these two options affect -r conversion */
159	+	case '\0':
160	+	myprims[RED][CIEX] = atof(argv[++i]);
161	+	myprims[RED][CIEY] = atof(argv[++i]);
162	+	myprims[GRN][CIEX] = atof(argv[++i]);
163	+	myprims[GRN][CIEY] = atof(argv[++i]);
164	+	myprims[BLU][CIEX] = atof(argv[++i]);
165	+	myprims[BLU][CIEY] = atof(argv[++i]);
166	+	myprims[WHT][CIEX] = atof(argv[++i]);
167	+	myprims[WHT][CIEY] = atof(argv[++i]);
168	+	outprims = myprims;
169	+	break;
170	+	case 'x': case 'X': outprims = NULL; break;
171	+	/* the following options affect +r only */
172	+	case 'r': case 'R': putprim = RED; break;
173	+	case 'g': case 'G': putprim = GRN; break;
174	+	case 'b': case 'B': putprim = BLU; break;
175	+	default: goto unkopt;
176	+	}
177	+	break;
178		case 'd':               /* data only (no indices) */
179	<	dataonly = 1;
179	>	dataonly = (argv[i][0] == '-');
180		switch (argv[i][2]) {
181		case '\0':
182		case 'a':               /* ascii */
183		format = 'a';
184	+	fmtid = "ascii";
185		break;
186		case 'i':               /* integer */
187	+	format = 'i';
188	+	fmtid = "ascii";
189	+	break;
190		case 'b':               /* byte */
191	+	dataonly = 1;
192	+	format = 'b';
193	+	fmtid = "byte";
194	+	break;
195	+	case 'W':               /* 16-bit swapped */
196	+	swapbytes = 1;
197	+	case 'w':               /* 16-bit */
198	+	dataonly = 1;
199	+	format = 'w';
200	+	fmtid = "16-bit";
201	+	break;
202	+	case 'F':               /* swapped floats */
203	+	swapbytes = 1;
204		case 'f':               /* float */
205	+	dataonly = 1;
206	+	format = 'f';
207	+	fmtid = "float";
208	+	break;
209	+	case 'D':               /* swapped doubles */
210	+	swapbytes = 1;
211		case 'd':               /* double */
212	<	format = argv[i][2];
212	>	dataonly = 1;
213	>	format = 'd';
214	>	fmtid = "double";
215		break;
216		default:
217		goto unkopt;
218		}
219		break;
220		case 'x':               /* x resolution */
221	<	xres = atoi(argv[++i]);
221	>	case 'X':               /* x resolution */
222	>	resolution = 0;
223	>	if (argv[i][0] == '-')
224	>	picres.rt |= XDECR;
225	>	picres.xr = atoi(argv[++i]);
226		break;
227		case 'y':               /* y resolution */
228	<	yres = atoi(argv[++i]);
228	>	case 'Y':               /* y resolution */
229	>	resolution = 0;
230	>	if (argv[i][0] == '-')
231	>	picres.rt |= YDECR;
232	>	if (picres.xr == 0)
233	>	picres.rt |= YMAJOR;
234	>	picres.yr = atoi(argv[++i]);
235		break;
236		default:
237		unkopt:
#	Line 102 | Line 242 | unkopt:
242		}
243		else
244		break;
245	<
245	>	/* recognize special formats */
246	>	if (dataonly && format == 'b') {
247	>	if (putprim == ALL)
248	>	fmtid = "24-bit_rgb";
249	>	else
250	>	fmtid = "8-bit_grey";
251	>	}
252	>	if (dataonly && format == 'w') {
253	>	if (putprim == ALL)
254	>	fmtid = "48-bit_rgb";
255	>	else
256	>	fmtid = "16-bit_grey";
257	>	}
258	>	if (!reverse || (format != 'a') & (format != 'i'))
259	>	inpmode = "rb";
260	>	/* assign reverse ordering */
261	>	rord[ord[0]] = 0;
262	>	rord[ord[1]] = 1;
263	>	rord[ord[2]] = 2;
264	>	/* get input */
265		if (i == argc) {
266	+	long    n = skipbytes;
267	+	if (inpmode[1] == 'b')
268	+	SET_FILE_BINARY(stdin);
269	+	while (n-- > 0)
270	+	if (getchar() == EOF) {
271	+	fprintf(stderr,
272	+	"%s: cannot skip %ld bytes on standard input\n",
273	+	progname, skipbytes);
274	+	quit(1);
275	+	}
276		fin = stdin;
277	<	} else if (i == argc-1) {
278	<	if ((fin = fopen(argv[i], "r")) == NULL) {
277	>	} else if (i < argc) {
278	>	if ((fin = fopen(argv[i], inpmode)) == NULL) {
279		fprintf(stderr, "%s: can't open file \"%s\"\n",
280		progname, argv[i]);
281		quit(1);
282		}
283	<	} else {
283	>	if (reverse && putprim != BRIGHT && i == argc-3) {
284	>	if ((fin2 = fopen(argv[i+1], inpmode)) == NULL) {
285	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
286	>	progname, argv[i+1]);
287	>	quit(1);
288	>	}
289	>	if ((fin3 = fopen(argv[i+2], inpmode)) == NULL) {
290	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
291	>	progname, argv[i+2]);
292	>	quit(1);
293	>	}
294	>	interleave = -1;
295	>	} else if (i != argc-1)
296	>	fin = NULL;
297	>	if (reverse && putprim != BRIGHT && !interleave) {
298	>	fin2 = fopen(argv[i], inpmode);
299	>	fin3 = fopen(argv[i], inpmode);
300	>	}
301	>	if (skipbytes && (fseek(fin, skipbytes, SEEK_SET) || (fin2 != NULL &&
302	>	fseek(fin2, skipbytes, SEEK_SET) |
303	>	fseek(fin3, skipbytes, SEEK_SET)))) {
304	>	fprintf(stderr, "%s: cannot skip %ld bytes on input\n",
305	>	progname, skipbytes);
306	>	quit(1);
307	>	}
308	>	}
309	>	if (fin == NULL) {
310		fprintf(stderr, "%s: bad # file arguments\n", progname);
311		quit(1);
312		}
313
119	–	set_io();
120	–
314		if (reverse) {
315	<	if (header)                     /* get header */
316	<	copyheader(fin, stdout);
315	>	SET_FILE_BINARY(stdout);
316	>	/* get header */
317	>	if (header) {
318	>	getheader(fin, checkhead, stdout);
319	>	if (wrongformat) {
320	>	fprintf(stderr, "%s: wrong input format (expected %s)\n",
321	>	progname, fmtid);
322	>	quit(1);
323	>	}
324	>	if (fin2 != NULL) {
325	>	getheader(fin2, NULL, NULL);
326	>	getheader(fin3, NULL, NULL);
327	>	}
328	>	} else
329	>	newheader("RADIANCE", stdout);
330	>	/* get resolution */
331	>	if ((resolution && !fgetsresolu(&picres, fin)) ||
332	>	picres.xr <= 0 || picres.yr <= 0) {
333	>	fprintf(stderr, "%s: missing resolution\n", progname);
334	>	quit(1);
335	>	}
336	>	if (resolution && fin2 != NULL) {
337	>	RESOLU  pres2;
338	>	if (!fgetsresolu(&pres2, fin2) ||
339	>	pres2.rt != picres.rt ||
340	>	pres2.xr != picres.xr ||
341	>	pres2.yr != picres.yr ||
342	>	!fgetsresolu(&pres2, fin3) ||
343	>	pres2.rt != picres.rt ||
344	>	pres2.xr != picres.xr ||
345	>	pres2.yr != picres.yr) {
346	>	fprintf(stderr, "%s: resolution mismatch\n",
347	>	progname);
348	>	quit(1);
349	>	}
350	>	}
351		/* add to header */
352		printargs(i, argv, stdout);
353	<	printf("\n");
354	<	if (yres <= 0 || xres <= 0) {
355	<	fprintf(stderr, "%s: missing x and y resolution\n",
356	<	progname);
357	<	quit(1);
353	>	if (expval < .99 || expval > 1.01)
354	>	fputexpos(expval, stdout);
355	>	if (outprims != NULL) {
356	>	if (outprims != stdprims)
357	>	fputprims(outprims, stdout);
358	>	fputformat(COLRFMT, stdout);
359	>	} else {                        /* XYZ data */
360	>	if (original < 0) {
361	>	scalecolor(exposure, WHTEFFICACY);
362	>	doexposure++;
363	>	}
364	>	fputformat(CIEFMT, stdout);
365		}
366	<	fputresolu(YMAJOR|YDECR, xres, yres, stdout);
366	>	putchar('\n');
367	>	fputsresolu(&picres, stdout);   /* always put resolution */
368		valtopix();
369		} else {
370	+	if ((format != 'a') & (format != 'i'))
371	+	SET_FILE_BINARY(stdout);
372		/* get header */
373	<	getheader(fin, checkhead);
374	<
375	<	if (xres <= 0 || yres <= 0)             /* get picture size */
376	<	if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) {
377	<	fprintf(stderr,
378	<	"%s: missing x and y resolution\n",
379	<	progname);
380	<	quit(1);
381	<	}
373	>	getheader(fin, checkhead, header ? stdout : (FILE *)NULL);
374	>	if (wrongformat) {
375	>	fprintf(stderr,
376	>	"%s: input not a Radiance RGBE picture\n",
377	>	progname);
378	>	quit(1);
379	>	}
380	>	if (!fgetsresolu(&picres, fin)) {
381	>	fprintf(stderr, "%s: missing resolution\n", progname);
382	>	quit(1);
383	>	}
384	>	if (original < 0 && mybright == &xyz_bright) {
385	>	scalecolor(exposure, 1./WHTEFFICACY);
386	>	doexposure++;
387	>	}
388		if (header) {
389		printargs(i, argv, stdout);
390	<	printf("\n");
390	>	printf("NCOMP=%d\n", putprim==ALL ? 3 : 1);
391	>	if (!resolution && dataonly && !uniq)
392	>	printf("NCOLS=%d\nNROWS=%d\n", scanlen(&picres),
393	>	numscans(&picres));
394	>	if (expval < .99 || expval > 1.01)
395	>	fputexpos(expval, stdout);
396	>	if (swapbytes) {
397	>	if (nativebigendian())
398	>	puts("BigEndian=0");
399	>	else
400	>	puts("BigEndian=1");
401	>	} else if ((format != 'a') & (format != 'i') &
402	>	(format != 'b'))
403	>	fputendian(stdout);
404	>	fputformat(fmtid, stdout);
405	>	putchar('\n');
406		}
407	+	if (resolution)                 /* put resolution */
408	+	fputsresolu(&picres, stdout);
409		pixtoval();
410		}
411
412		quit(0);
413	+	return 0; /* pro forma return */
414		}
415
416
417	<	checkhead(line)                         /* deal with line from header */
418	<	char  *line;
417	>	static int
418	>	checkhead(                              /* deal with line from header */
419	>	char    *line,
420	>	void    *p
421	>	)
422		{
423	+	FILE    *fout = (FILE *)p;
424	+	char    fmt[MAXFMTLEN];
425		double  d;
426		COLOR   ctmp;
427	+	int     rv;
428
429	<	if (header)
430	<	fputs(line, stdout);
431	<	if (isexpos(line)) {
429	>	if (formatval(fmt, line)) {
430	>	if (reverse)
431	>	wrongformat = strcmp(fmt, fmtid);
432	>	else if (!strcmp(fmt, CIEFMT))
433	>	mybright = &xyz_bright;
434	>	else if (!strcmp(fmt, COLRFMT))
435	>	mybright = &rgb_bright;
436	>	else
437	>	wrongformat++;
438	>	return(1);
439	>	}
440	>	if (original && isexpos(line)) {
441		d = 1.0/exposval(line);
442		scalecolor(exposure, d);
443	<	} else if (iscolcor(line)) {
443	>	doexposure++;
444	>	return(1);
445	>	}
446	>	if (original && iscolcor(line)) {
447		colcorval(ctmp, line);
448	<	colval(exposure,RED) /= colval(ctmp,RED);
449	<	colval(exposure,GRN) /= colval(ctmp,GRN);
450	<	colval(exposure,BLU) /= colval(ctmp,BLU);
448	>	setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED),
449	>	colval(exposure,GRN)/colval(ctmp,GRN),
450	>	colval(exposure,BLU)/colval(ctmp,BLU));
451	>	doexposure++;
452	>	return(1);
453		}
454	+	if ((rv = isbigendian(line)) >= 0) {
455	+	if (reverse)
456	+	swapbytes = (nativebigendian() != rv);
457	+	return(1);
458	+	}
459	+	if (fout != NULL)
460	+	fputs(line, fout);
461	+	return(0);
462		}
463
464
465	<	pixtoval()                              /* convert picture to values */
465	>	static void
466	>	pixtoval(void)                          /* convert picture to values */
467		{
468	<	COLOR  *scanln;
468	>	COLOR   *scanln;
469	>	int  dogamma;
470		COLOR  lastc;
471	<	int  y;
472	<	register int  x;
471	>	RREAL  hv[2];
472	>	int  startprim, endprim;
473	>	long  startpos;
474	>	int  x, y;
475
476	<	scanln = (COLOR *)malloc(xres*sizeof(COLOR));
476	>	scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
477		if (scanln == NULL) {
478		fprintf(stderr, "%s: out of memory\n", progname);
479		quit(1);
480		}
481	<	setcolor(lastc, 0.0, 0.0, 0.0);
482	<	for (y = yres-1; y >= 0; y--) {
483	<	if (freadscan(scanln, xres, fin) < 0) {
484	<	fprintf(stderr, "%s: read error\n", progname);
481	>	dogamma = gamcor < .95 || gamcor > 1.05;
482	>	if ((putprim == ALL) & !interleave) {
483	>	startprim = RED; endprim = BLU;
484	>	startpos = ftell(fin);
485	>	} else {
486	>	startprim = putprim; endprim = putprim;
487	>	}
488	>	for (putprim = startprim; putprim <= endprim; putprim++) {
489	>	if (putprim != startprim && fseek(fin, startpos, SEEK_SET)) {
490	>	fprintf(stderr, "%s: seek error on input file\n",
491	>	progname);
492		quit(1);
493		}
494	<	for (x = 0; x < xres; x++) {
495	<	if (uniq)
496	<	if (    scanln[x][RED] == lastc[RED] &&
497	<	scanln[x][GRN] == lastc[GRN] &&
498	<	scanln[x][BLU] == lastc[BLU]    )
199	<	continue;
200	<	else
201	<	copycolor(lastc, scanln[x]);
202	<	if (original)
203	<	multcolor(scanln[x], exposure);
204	<	if (!dataonly)
205	<	printf("%7d %7d ", x, y);
206	<	if ((*putval)(scanln[x], stdout) < 0) {
207	<	fprintf(stderr, "%s: write error\n", progname);
494	>	set_io();
495	>	setcolor(lastc, 0.0, 0.0, 0.0);
496	>	for (y = 0; y < numscans(&picres); y++) {
497	>	if (freadscan(scanln, scanlen(&picres), fin) < 0) {
498	>	fprintf(stderr, "%s: read error\n", progname);
499		quit(1);
500		}
501	+	for (x = 0; x < scanlen(&picres); x++) {
502	+	if (uniq) {
503	+	if (    colval(scanln[x],RED) ==
504	+	colval(lastc,RED) &&
505	+	colval(scanln[x],GRN) ==
506	+	colval(lastc,GRN) &&
507	+	colval(scanln[x],BLU) ==
508	+	colval(lastc,BLU)       )
509	+	continue;
510	+	else
511	+	copycolor(lastc, scanln[x]);
512	+	}
513	+	if (doexposure)
514	+	multcolor(scanln[x], exposure);
515	+	if (dogamma)
516	+	setcolor(scanln[x],
517	+	pow(colval(scanln[x],RED), 1.0/gamcor),
518	+	pow(colval(scanln[x],GRN), 1.0/gamcor),
519	+	pow(colval(scanln[x],BLU), 1.0/gamcor));
520	+	if (!dataonly) {
521	+	pix2loc(hv, &picres, x, y);
522	+	printf("%7d %7d ",
523	+	(int)(hv[0]*picres.xr),
524	+	(int)(hv[1]*picres.yr));
525	+	}
526	+	if ((*putval)(scanln[x]) < 0) {
527	+	fprintf(stderr, "%s: write error\n",
528	+	progname);
529	+	quit(1);
530	+	}
531	+	}
532		}
533		}
534	<	free((char *)scanln);
534	>	free((void *)scanln);
535		}
536
537
538	<	valtopix()                      /* convert values to a pixel file */
538	>	static void
539	>	valtopix(void)                  /* convert values to a pixel file */
540		{
541	<	COLOR  *scanln;
542	<	int  y;
543	<	register int  x;
541	>	int     dogamma;
542	>	COLOR   *scanln;
543	>	COLR    rgbe;
544	>	int     x, y;
545
546	<	scanln = (COLOR *)malloc(xres*sizeof(COLOR));
546	>	scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
547		if (scanln == NULL) {
548		fprintf(stderr, "%s: out of memory\n", progname);
549		quit(1);
550		}
551	<	for (y = yres-1; y >= 0; y--) {
552	<	for (x = 0; x < xres; x++) {
553	<	if (!dataonly)
551	>	dogamma = gamcor < .95 || gamcor > 1.05;
552	>	set_io();
553	>	for (y = 0; y < numscans(&picres); y++) {
554	>	for (x = 0; x < scanlen(&picres); x++) {
555	>	if (!dataonly) {
556		fscanf(fin, "%*d %*d");
557	<	if ((*getval)(scanln[x], fin) < 0) {
557	>	if (fin2 != NULL) {
558	>	fscanf(fin2, "%*d %*d");
559	>	fscanf(fin3, "%*d %*d");
560	>	}
561	>	}
562	>	if ((*getval)(scanln[x]) < 0) {
563		fprintf(stderr, "%s: read error\n", progname);
564		quit(1);
565		}
566	+	if (dogamma)
567	+	setcolor(scanln[x],
568	+	pow(colval(scanln[x],RED), gamcor),
569	+	pow(colval(scanln[x],GRN), gamcor),
570	+	pow(colval(scanln[x],BLU), gamcor));
571	+	if (doexposure)
572	+	multcolor(scanln[x], exposure);
573	+	if (uniq) {             /* uncompressed? */
574	+	setcolr(rgbe,   scanln[x][RED],
575	+	scanln[x][GRN],
576	+	scanln[x][BLU]);
577	+	if (putbinary(rgbe, sizeof(COLR), 1, stdout) != 1)
578	+	goto writerr;
579	+	}
580		}
581	<	if (fwritescan(scanln, xres, stdout) < 0
582	<	|| fflush(stdout) < 0) {
583	<	fprintf(stderr, "%s: write error\n", progname);
239	<	quit(1);
240	<	}
581	>	/* write scan if compressed */
582	>	if (!uniq && fwritescan(scanln, scanlen(&picres), stdout) < 0)
583	>	goto writerr;
584		}
585	<	free((char *)scanln);
585	>	free((void *)scanln);
586	>	return;
587	>	writerr:
588	>	fprintf(stderr, "%s: write error\n", progname);
589	>	quit(1);
590		}
591
592
593	+	void
594		quit(code)
595		int  code;
596		{
#	Line 250 | Line 598 | int  code;
598		}
599
600
601	<	getcascii(col, fp)              /* get an ascii color value from fp */
602	<	COLOR  col;
603	<	FILE  *fp;
601	>	static int
602	>	getcascii(              /* get an ascii color value from stream(s) */
603	>	COLOR  col
604	>	)
605		{
606	<	double  vd[3];
606	>	double  vd[3];
607
608	<	if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
609	<	return(-1);
610	<	setcolor(col, vd[0], vd[1], vd[2]);
608	>	if (fin2 == NULL) {
609	>	if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
610	>	return(-1);
611	>	} else {
612	>	if (fscanf(fin, "%lf", &vd[0]) != 1 ||
613	>	fscanf(fin2, "%lf", &vd[1]) != 1 ||
614	>	fscanf(fin3, "%lf", &vd[2]) != 1)
615	>	return(-1);
616	>	}
617	>	setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
618		return(0);
619		}
620
621
622	<	getcdouble(col, fp)             /* get a double color value from fp */
623	<	COLOR  col;
624	<	FILE  *fp;
622	>	static int
623	>	getcdouble(             /* get a double color value from stream(s) */
624	>	COLOR  col
625	>	)
626		{
627	<	double  vd[3];
627	>	double  vd[3];
628
629	<	if (fread((char *)vd, sizeof(double), 3, fp) != 3)
630	<	return(-1);
631	<	setcolor(col, vd[0], vd[1], vd[2]);
629	>	if (fin2 == NULL) {
630	>	if (getbinary(vd, sizeof(double), 3, fin) != 3)
631	>	return(-1);
632	>	} else {
633	>	if (getbinary(vd, sizeof(double), 1, fin) != 1 ||
634	>	getbinary(vd+1, sizeof(double), 1, fin2) != 1 ||
635	>	getbinary(vd+2, sizeof(double), 1, fin3) != 1)
636	>	return(-1);
637	>	}
638	>	if (swapbytes)
639	>	swap64((char *)vd, 3);
640	>	setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
641		return(0);
642		}
643
644
645	<	getcfloat(col, fp)              /* get a float color value from fp */
646	<	COLOR  col;
647	<	FILE  *fp;
645	>	static int
646	>	getcfloat(              /* get a float color value from stream(s) */
647	>	COLOR  col
648	>	)
649		{
650		float  vf[3];
651
652	<	if (fread((char *)vf, sizeof(float), 3, fp) != 3)
653	<	return(-1);
654	<	setcolor(col, vf[0], vf[1], vf[2]);
652	>	if (fin2 == NULL) {
653	>	if (getbinary(vf, sizeof(float), 3, fin) != 3)
654	>	return(-1);
655	>	} else {
656	>	if (getbinary(vf, sizeof(float), 1, fin) != 1 ||
657	>	getbinary(vf+1, sizeof(float), 1, fin2) != 1 ||
658	>	getbinary(vf+2, sizeof(float), 1, fin3) != 1)
659	>	return(-1);
660	>	}
661	>	if (swapbytes)
662	>	swap32((char *)vf, 3);
663	>	setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]);
664		return(0);
665		}
666
667
668	<	getcint(col, fp)                /* get an int color value from fp */
669	<	COLOR  col;
670	<	FILE  *fp;
668	>	static int
669	>	getcint(                /* get an int color value from stream(s) */
670	>	COLOR  col
671	>	)
672		{
673		int  vi[3];
674
675	<	if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
676	<	return(-1);
677	<	setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.);
675	>	if (fin2 == NULL) {
676	>	if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
677	>	return(-1);
678	>	} else {
679	>	if (fscanf(fin, "%d", &vi[0]) != 1 ||
680	>	fscanf(fin2, "%d", &vi[1]) != 1 ||
681	>	fscanf(fin3, "%d", &vi[2]) != 1)
682	>	return(-1);
683	>	}
684	>	setcolor(col, (vi[rord[RED]]+.5)/256.,
685	>	(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.);
686		return(0);
687		}
688
689
690	<	getcbyte(col, fp)               /* get a byte color value from fp */
691	<	COLOR  col;
692	<	FILE  *fp;
690	>	static int
691	>	getcbyte(               /* get a byte color value from stream(s) */
692	>	COLOR  col
693	>	)
694		{
695	<	BYTE  vb[3];
695	>	uby8  vb[3];
696
697	<	if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3)
698	<	return(-1);
699	<	setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.);
697	>	if (fin2 == NULL) {
698	>	if (getbinary(vb, sizeof(uby8), 3, fin) != 3)
699	>	return(-1);
700	>	} else {
701	>	if (getbinary(vb, sizeof(uby8), 1, fin) != 1 ||
702	>	getbinary(vb+1, sizeof(uby8), 1, fin2) != 1 ||
703	>	getbinary(vb+2, sizeof(uby8), 1, fin3) != 1)
704	>	return(-1);
705	>	}
706	>	setcolor(col, (vb[rord[RED]]+.5)/256.,
707	>	(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.);
708		return(0);
709		}
710
711
712	<	getbascii(col, fp)              /* get an ascii brightness value from fp */
713	<	COLOR  col;
714	<	FILE  *fp;
712	>	static int
713	>	getcword(               /* get a 16-bit color value from stream(s) */
714	>	COLOR  col
715	>	)
716		{
717	<	double  vd;
717	>	uint16  vw[3];
718
719	<	if (fscanf(fp, "%lf", &vd) != 1)
719	>	if (fin2 == NULL) {
720	>	if (getbinary(vw, sizeof(uint16), 3, fin) != 3)
721	>	return(-1);
722	>	} else {
723	>	if (getbinary(vw, sizeof(uint16), 1, fin) != 1 ||
724	>	getbinary(vw+1, sizeof(uint16), 1, fin2) != 1 ||
725	>	getbinary(vw+2, sizeof(uint16), 1, fin3) != 1)
726	>	return(-1);
727	>	}
728	>	if (swapbytes)
729	>	swap16((char *)vw, 3);
730	>	setcolor(col, (vw[rord[RED]]+.5)/65536.,
731	>	(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.);
732	>	return(0);
733	>	}
734	>
735	>
736	>	static int
737	>	getbascii(              /* get an ascii brightness value from fin */
738	>	COLOR  col
739	>	)
740	>	{
741	>	double  vd;
742	>
743	>	if (fscanf(fin, "%lf", &vd) != 1)
744		return(-1);
745		setcolor(col, vd, vd, vd);
746		return(0);
747		}
748
749
750	<	getbdouble(col, fp)             /* get a double brightness value from fp */
751	<	COLOR  col;
752	<	FILE  *fp;
750	>	static int
751	>	getbdouble(             /* get a double brightness value from fin */
752	>	COLOR  col
753	>	)
754		{
755	<	double  vd;
755	>	double  vd;
756
757	<	if (fread((char *)&vd, sizeof(double), 1, fp) != 1)
757	>	if (getbinary(&vd, sizeof(double), 1, fin) != 1)
758		return(-1);
759	+	if (swapbytes)
760	+	swap64((char *)&vd, 1);
761		setcolor(col, vd, vd, vd);
762		return(0);
763		}
764
765
766	<	getbfloat(col, fp)              /* get a float brightness value from fp */
767	<	COLOR  col;
768	<	FILE  *fp;
766	>	static int
767	>	getbfloat(              /* get a float brightness value from fin */
768	>	COLOR  col
769	>	)
770		{
771		float  vf;
772
773	<	if (fread((char *)&vf, sizeof(float), 1, fp) != 1)
773	>	if (getbinary(&vf, sizeof(float), 1, fin) != 1)
774		return(-1);
775	+	if (swapbytes)
776	+	swap32((char *)&vf, 1);
777		setcolor(col, vf, vf, vf);
778		return(0);
779		}
780
781
782	<	getbint(col, fp)                /* get an int brightness value from fp */
783	<	COLOR  col;
784	<	FILE  *fp;
782	>	static int
783	>	getbint(                /* get an int brightness value from fin */
784	>	COLOR  col
785	>	)
786		{
787		int  vi;
788	<	double  d;
788	>	double  d;
789
790	<	if (fscanf(fp, "%d", &vi) != 1)
790	>	if (fscanf(fin, "%d", &vi) != 1)
791		return(-1);
792		d = (vi+.5)/256.;
793		setcolor(col, d, d, d);
#	Line 369 | Line 795 | FILE  *fp;
795		}
796
797
798	<	getbbyte(col, fp)               /* get a byte brightness value from fp */
799	<	COLOR  col;
800	<	FILE  *fp;
798	>	static int
799	>	getbbyte(               /* get a byte brightness value from fin */
800	>	COLOR  col
801	>	)
802		{
803	<	BYTE  vb;
804	<	double  d;
803	>	uby8  vb;
804	>	double  d;
805
806	<	if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1)
806	>	if (getbinary(&vb, sizeof(uby8), 1, fin) != 1)
807		return(-1);
808		d = (vb+.5)/256.;
809		setcolor(col, d, d, d);
#	Line 384 | Line 811 | FILE  *fp;
811		}
812
813
814	<	putcascii(col, fp)                      /* put an ascii color to fp */
815	<	COLOR  col;
816	<	FILE  *fp;
814	>	static int
815	>	getbword(               /* get a 16-bit brightness value from fin */
816	>	COLOR  col
817	>	)
818		{
819	<	fprintf(fp, "%15.3e %15.3e %15.3e\n",
820	<	colval(col,RED),
393	<	colval(col,GRN),
394	<	colval(col,BLU));
819	>	uint16  vw;
820	>	double  d;
821
822	<	return(ferror(fp) ? -1 : 0);
822	>	if (getbinary(&vw, sizeof(uint16), 1, fin) != 1)
823	>	return(-1);
824	>	if (swapbytes)
825	>	swap16((char *)&vw, 1);
826	>	d = (vw+.5)/65536.;
827	>	setcolor(col, d, d, d);
828	>	return(0);
829		}
830
831
832	<	putcfloat(col, fp)                      /* put a float color to fp */
833	<	COLOR  col;
834	<	FILE  *fp;
832	>	static int
833	>	putcascii(                      /* put an ascii color to stdout */
834	>	COLOR  col
835	>	)
836		{
837	+	fprintf(stdout, "%15.3e %15.3e %15.3e\n",
838	+	colval(col,ord[0]),
839	+	colval(col,ord[1]),
840	+	colval(col,ord[2]));
841	+
842	+	return(ferror(stdout) ? -1 : 0);
843	+	}
844	+
845	+
846	+	static int
847	+	putcfloat(                      /* put a float color to stdout */
848	+	COLOR  col
849	+	)
850	+	{
851		float  vf[3];
852
853	<	vf[0] = colval(col,RED);
854	<	vf[1] = colval(col,GRN);
855	<	vf[2] = colval(col,BLU);
856	<	fwrite((char *)vf, sizeof(float), 3, fp);
853	>	vf[0] = colval(col,ord[0]);
854	>	vf[1] = colval(col,ord[1]);
855	>	vf[2] = colval(col,ord[2]);
856	>	if (swapbytes)
857	>	swap32((char *)vf, 3);
858	>	putbinary(vf, sizeof(float), 3, stdout);
859
860	<	return(ferror(fp) ? -1 : 0);
860	>	return(ferror(stdout) ? -1 : 0);
861		}
862
863
864	<	putcdouble(col, fp)                     /* put a double color to fp */
865	<	COLOR  col;
866	<	FILE  *fp;
864	>	static int
865	>	putcdouble(                     /* put a double color to stdout */
866	>	COLOR  col
867	>	)
868		{
869	<	double  vd[3];
869	>	double  vd[3];
870
871	<	vd[0] = colval(col,RED);
872	<	vd[1] = colval(col,GRN);
873	<	vd[2] = colval(col,BLU);
874	<	fwrite((char *)vd, sizeof(double), 3, fp);
871	>	vd[0] = colval(col,ord[0]);
872	>	vd[1] = colval(col,ord[1]);
873	>	vd[2] = colval(col,ord[2]);
874	>	if (swapbytes)
875	>	swap64((char *)vd, 3);
876	>	putbinary(vd, sizeof(double), 3, stdout);
877
878	<	return(ferror(fp) ? -1 : 0);
878	>	return(ferror(stdout) ? -1 : 0);
879		}
880
881
882	<	putcint(col, fp)                        /* put an int color to fp */
883	<	COLOR  col;
884	<	FILE  *fp;
882	>	static int
883	>	putcint(                        /* put an int color to stdout */
884	>	COLOR  col
885	>	)
886		{
887	<	fprintf(fp, "%d %d %d\n",
888	<	(int)(colval(col,RED)*256.),
889	<	(int)(colval(col,GRN)*256.),
890	<	(int)(colval(col,BLU)*256.));
887	>	fprintf(stdout, "%d %d %d\n",
888	>	(int)(colval(col,ord[0])*256.),
889	>	(int)(colval(col,ord[1])*256.),
890	>	(int)(colval(col,ord[2])*256.));
891
892	<	return(ferror(fp) ? -1 : 0);
892	>	return(ferror(stdout) ? -1 : 0);
893		}
894
895
896	<	putcbyte(col, fp)                       /* put a byte color to fp */
897	<	COLOR  col;
898	<	FILE  *fp;
896	>	static int
897	>	putcbyte(                       /* put a byte color to stdout */
898	>	COLOR  col
899	>	)
900		{
901	<	register int  i;
902	<	BYTE  vb[3];
901	>	long  i;
902	>	uby8  vb[3];
903
904	<	i = colval(col,RED)*256.;
904	>	i = colval(col,ord[0])*256.;
905		vb[0] = min(i,255);
906	<	i = colval(col,GRN)*256.;
906	>	i = colval(col,ord[1])*256.;
907		vb[1] = min(i,255);
908	<	i = colval(col,BLU)*256.;
908	>	i = colval(col,ord[2])*256.;
909		vb[2] = min(i,255);
910	<	fwrite((char *)vb, sizeof(BYTE), 3, fp);
910	>	putbinary(vb, sizeof(uby8), 3, stdout);
911
912	<	return(ferror(fp) ? -1 : 0);
912	>	return(ferror(stdout) ? -1 : 0);
913		}
914
915
916	<	putbascii(col, fp)                      /* put an ascii brightness to fp */
917	<	COLOR  col;
918	<	FILE  *fp;
916	>	static int
917	>	putcword(                       /* put a 16-bit color to stdout */
918	>	COLOR  col
919	>	)
920		{
921	<	fprintf(fp, "%15.3e\n", bright(col));
921	>	long  i;
922	>	uint16  vw[3];
923
924	<	return(ferror(fp) ? -1 : 0);
924	>	i = colval(col,ord[0])*65536.;
925	>	vw[0] = min(i,65535);
926	>	i = colval(col,ord[1])*65536.;
927	>	vw[1] = min(i,65535);
928	>	i = colval(col,ord[2])*65536.;
929	>	vw[2] = min(i,65535);
930	>	if (swapbytes)
931	>	swap16((char *)vw, 3);
932	>	putbinary(vw, sizeof(uint16), 3, stdout);
933	>
934	>	return(ferror(stdout) ? -1 : 0);
935		}
936
937
938	<	putbfloat(col, fp)                      /* put a float brightness to fp */
939	<	COLOR  col;
940	<	FILE  *fp;
938	>	static int
939	>	putbascii(                      /* put an ascii brightness to stdout */
940	>	COLOR  col
941	>	)
942		{
943	+	fprintf(stdout, "%15.3e\n", (*mybright)(col));
944	+
945	+	return(ferror(stdout) ? -1 : 0);
946	+	}
947	+
948	+
949	+	static int
950	+	putbfloat(                      /* put a float brightness to stdout */
951	+	COLOR  col
952	+	)
953	+	{
954		float  vf;
955
956	<	vf = bright(col);
957	<	fwrite((char *)&vf, sizeof(float), 1, fp);
956	>	vf = (*mybright)(col);
957	>	if (swapbytes)
958	>	swap32((char *)&vf, 1);
959	>	putbinary(&vf, sizeof(float), 1, stdout);
960
961	<	return(ferror(fp) ? -1 : 0);
961	>	return(ferror(stdout) ? -1 : 0);
962		}
963
964
965	<	putbdouble(col, fp)                     /* put a double brightness to fp */
966	<	COLOR  col;
967	<	FILE  *fp;
965	>	static int
966	>	putbdouble(                     /* put a double brightness to stdout */
967	>	COLOR  col
968	>	)
969		{
970	<	double  vd;
970	>	double  vd;
971
972	<	vd = bright(col);
973	<	fwrite((char *)&vd, sizeof(double), 1, fp);
972	>	vd = (*mybright)(col);
973	>	if (swapbytes)
974	>	swap64((char *)&vd, 1);
975	>	putbinary(&vd, sizeof(double), 1, stdout);
976
977	<	return(ferror(fp) ? -1 : 0);
977	>	return(ferror(stdout) ? -1 : 0);
978		}
979
980
981	<	putbint(col, fp)                        /* put an int brightness to fp */
982	<	COLOR  col;
983	<	FILE  *fp;
981	>	static int
982	>	putbint(                        /* put an int brightness to stdout */
983	>	COLOR  col
984	>	)
985		{
986	<	fprintf(fp, "%d\n", (int)(bright(col)*256.));
986	>	fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.));
987
988	<	return(ferror(fp) ? -1 : 0);
988	>	return(ferror(stdout) ? -1 : 0);
989		}
990
991
992	<	putbbyte(col, fp)                       /* put a byte brightness to fp */
993	<	COLOR  col;
994	<	FILE  *fp;
992	>	static int
993	>	putbbyte(                       /* put a byte brightness to stdout */
994	>	COLOR  col
995	>	)
996		{
997	<	register int  i;
998	<	BYTE  vb;
997	>	int  i;
998	>	uby8  vb;
999
1000	<	i = bright(col)*256.;
1000	>	i = (*mybright)(col)*256.;
1001		vb = min(i,255);
1002	<	fwrite((char *)&vb, sizeof(BYTE), 1, fp);
1002	>	putbinary(&vb, sizeof(uby8), 1, stdout);
1003
1004	<	return(ferror(fp) ? -1 : 0);
1004	>	return(ferror(stdout) ? -1 : 0);
1005		}
1006
1007
1008	<	set_io()                        /* set put and get functions */
1008	>	static int
1009	>	putbword(                       /* put a 16-bit brightness to stdout */
1010	>	COLOR  col
1011	>	)
1012		{
1013	+	long  i;
1014	+	uint16  vw;
1015	+
1016	+	i = (*mybright)(col)*65536.;
1017	+	vw = min(i,65535);
1018	+	if (swapbytes)
1019	+	swap16((char *)&vw, 1);
1020	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1021	+
1022	+	return(ferror(stdout) ? -1 : 0);
1023	+	}
1024	+
1025	+
1026	+	static int
1027	+	putpascii(                      /* put an ascii primary to stdout */
1028	+	COLOR  col
1029	+	)
1030	+	{
1031	+	fprintf(stdout, "%15.3e\n", colval(col,putprim));
1032	+
1033	+	return(ferror(stdout) ? -1 : 0);
1034	+	}
1035	+
1036	+
1037	+	static int
1038	+	putpfloat(                      /* put a float primary to stdout */
1039	+	COLOR  col
1040	+	)
1041	+	{
1042	+	float  vf;
1043	+
1044	+	vf = colval(col,putprim);
1045	+	if (swapbytes)
1046	+	swap32((char *)&vf, 1);
1047	+	putbinary(&vf, sizeof(float), 1, stdout);
1048	+
1049	+	return(ferror(stdout) ? -1 : 0);
1050	+	}
1051	+
1052	+
1053	+	static int
1054	+	putpdouble(                     /* put a double primary to stdout */
1055	+	COLOR  col
1056	+	)
1057	+	{
1058	+	double  vd;
1059	+
1060	+	vd = colval(col,putprim);
1061	+	if (swapbytes)
1062	+	swap64((char *)&vd, 1);
1063	+	putbinary(&vd, sizeof(double), 1, stdout);
1064	+
1065	+	return(ferror(stdout) ? -1 : 0);
1066	+	}
1067	+
1068	+
1069	+	static int
1070	+	putpint(                        /* put an int primary to stdout */
1071	+	COLOR  col
1072	+	)
1073	+	{
1074	+	fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.));
1075	+
1076	+	return(ferror(stdout) ? -1 : 0);
1077	+	}
1078	+
1079	+
1080	+	static int
1081	+	putpbyte(                       /* put a byte primary to stdout */
1082	+	COLOR  col
1083	+	)
1084	+	{
1085	+	long  i;
1086	+	uby8  vb;
1087	+
1088	+	i = colval(col,putprim)*256.;
1089	+	vb = min(i,255);
1090	+	putbinary(&vb, sizeof(uby8), 1, stdout);
1091	+
1092	+	return(ferror(stdout) ? -1 : 0);
1093	+	}
1094	+
1095	+
1096	+	static int
1097	+	putpword(                       /* put a 16-bit primary to stdout */
1098	+	COLOR  col
1099	+	)
1100	+	{
1101	+	long  i;
1102	+	uint16  vw;
1103	+
1104	+	i = colval(col,putprim)*65536.;
1105	+	vw = min(i,65535);
1106	+	if (swapbytes)
1107	+	swap16((char *)&vw, 1);
1108	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1109	+
1110	+	return(ferror(stdout) ? -1 : 0);
1111	+	}
1112	+
1113	+
1114	+	static void
1115	+	set_io(void)                    /* set put and get functions */
1116	+	{
1117		switch (format) {
1118		case 'a':                                       /* ascii */
1119	<	if (brightonly) {
1119	>	if (putprim == BRIGHT) {
1120		getval = getbascii;
1121		putval = putbascii;
1122	+	} else if (putprim != ALL) {
1123	+	getval = getbascii;
1124	+	putval = putpascii;
1125		} else {
1126		getval = getcascii;
1127		putval = putcascii;
1128	+	if (reverse && !interleave) {
1129	+	fprintf(stderr,
1130	+	"%s: ASCII input files must be interleaved\n",
1131	+	progname);
1132	+	quit(1);
1133	+	}
1134		}
1135		return;
1136		case 'f':                                       /* binary float */
1137	<	if (brightonly) {
1137	>	if (putprim == BRIGHT) {
1138		getval = getbfloat;
1139		putval = putbfloat;
1140	+	} else if (putprim != ALL) {
1141	+	getval = getbfloat;
1142	+	putval = putpfloat;
1143		} else {
1144		getval = getcfloat;
1145		putval = putcfloat;
1146	+	if (reverse && !interleave) {
1147	+	if (fin2 == NULL)
1148	+	goto namerr;
1149	+	if (fseek(fin2,
1150	+	(long)sizeof(float)*picres.xr*picres.yr, SEEK_CUR))
1151	+	goto seekerr;
1152	+	if (fseek(fin3,
1153	+	(long)sizeof(float)*2*picres.xr*picres.yr, SEEK_CUR))
1154	+	goto seekerr;
1155	+	}
1156		}
1157		return;
1158		case 'd':                                       /* binary double */
1159	<	if (brightonly) {
1159	>	if (putprim == BRIGHT) {
1160		getval = getbdouble;
1161		putval = putbdouble;
1162	+	} else if (putprim != ALL) {
1163	+	getval = getbdouble;
1164	+	putval = putpdouble;
1165		} else {
1166		getval = getcdouble;
1167		putval = putcdouble;
1168	+	if (reverse && !interleave) {
1169	+	if (fin2 == NULL)
1170	+	goto namerr;
1171	+	if (fseek(fin2,
1172	+	(long)sizeof(double)*picres.xr*picres.yr, SEEK_CUR))
1173	+	goto seekerr;
1174	+	if (fseek(fin3,
1175	+	(long)sizeof(double)*2*picres.xr*picres.yr, SEEK_CUR))
1176	+	goto seekerr;
1177	+	}
1178		}
1179		return;
1180		case 'i':                                       /* integer */
1181	<	if (brightonly) {
1181	>	if (putprim == BRIGHT) {
1182		getval = getbint;
1183		putval = putbint;
1184	+	} else if (putprim != ALL) {
1185	+	getval = getbint;
1186	+	putval = putpint;
1187		} else {
1188		getval = getcint;
1189		putval = putcint;
1190	+	if (reverse && !interleave) {
1191	+	fprintf(stderr,
1192	+	"%s: integer input files must be interleaved\n",
1193	+	progname);
1194	+	quit(1);
1195	+	}
1196		}
1197		return;
1198		case 'b':                                       /* byte */
1199	<	if (brightonly) {
1199	>	if (putprim == BRIGHT) {
1200		getval = getbbyte;
1201		putval = putbbyte;
1202	+	} else if (putprim != ALL) {
1203	+	getval = getbbyte;
1204	+	putval = putpbyte;
1205		} else {
1206		getval = getcbyte;
1207		putval = putcbyte;
1208	+	if (reverse && !interleave) {
1209	+	if (fin2 == NULL)
1210	+	goto namerr;
1211	+	if (fseek(fin2,
1212	+	(long)sizeof(uby8)*picres.xr*picres.yr, SEEK_CUR))
1213	+	goto seekerr;
1214	+	if (fseek(fin3,
1215	+	(long)sizeof(uby8)*2*picres.xr*picres.yr, SEEK_CUR))
1216	+	goto seekerr;
1217	+	}
1218		}
1219		return;
1220	+	case 'w':                                       /* 16-bit */
1221	+	if (putprim == BRIGHT) {
1222	+	getval = getbword;
1223	+	putval = putbword;
1224	+	} else if (putprim != ALL) {
1225	+	getval = getbword;
1226	+	putval = putpword;
1227	+	} else {
1228	+	getval = getcword;
1229	+	putval = putcword;
1230	+	if (reverse && !interleave) {
1231	+	if (fin2 == NULL)
1232	+	goto namerr;
1233	+	if (fseek(fin2,
1234	+	(long)sizeof(uint16)*picres.xr*picres.yr, SEEK_CUR))
1235	+	goto seekerr;
1236	+	if (fseek(fin3,
1237	+	(long)sizeof(uint16)*2*picres.xr*picres.yr, SEEK_CUR))
1238	+	goto seekerr;
1239	+	}
1240	+	}
1241	+	return;
1242		}
1243	+	/* badopt: */ /* label not used */
1244	+	fprintf(stderr, "%s: botched file type\n", progname);
1245	+	quit(1);
1246	+	namerr:
1247	+	fprintf(stderr, "%s: non-interleaved file(s) must be named\n",
1248	+	progname);
1249	+	quit(1);
1250	+	seekerr:
1251	+	fprintf(stderr, "%s: cannot seek on interleaved input file\n",
1252	+	progname);
1253	+	quit(1);
1254		}

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