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

Comparing ray/src/px/pvalue.c (file contents):
Revision 1.3 by greg, Fri Jan 5 17:52:54 1990 UTC vs.
Revision 2.44 by greg, Wed Sep 11 23:21:01 2024 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	+	const 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	<	double  exposure = 1.0;
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 int IDformat(const char *s);
70	>	static void set_io(void);
71	>	static void pixtoval(void);
72	>	static void valtopix(void);
73	>
74	>
75	>	static double
76	>	rgb_bright(
77	>	COLOR  clr
78	>	)
79		{
80	<	extern double  atof();
81	<	extern int  checkhead();
51	<	int  i;
80	>	return(bright(clr));
81	>	}
82
83	+	static double
84	+	xyz_bright(
85	+	COLOR  clr
86	+	)
87	+	{
88	+	return(clr[CIEY]);
89	+	}
90	+
91	+	int
92	+	main(
93	+	int  argc,
94	+	char  **argv
95	+	)
96	+	{
97	+	const char      *inpmode = "r";
98	+	double          d, expval = 1.0;
99	+	int             i;
100	+
101		progname = argv[0];
102	+	mybright = &rgb_bright; /* default */
103	+	picres.rt = PIXSTANDARD;
104
105		for (i = 1; i < argc; i++)
106	<	if (argv[i][0] == '-')
106	>	if (argv[i][0] == '-' || argv[i][0] == '+')
107		switch (argv[i][1]) {
108	<	case 'h':               /* no header */
109	<	header = 0;
108	>	case 'h':               /* header */
109	>	header = argv[i][0] == '+';
110		break;
111	+	case 'H':               /* resolution string */
112	+	resolution = argv[i][0] == '+';
113	+	break;
114	+	case 's':               /* skip bytes in header */
115	+	skipbytes = atol(argv[++i]);
116	+	break;
117		case 'u':               /* unique values */
118	<	uniq = 1;
118	>	uniq = argv[i][0] == '-';
119		break;
120		case 'o':               /* original values */
121	<	original = 1;
121	>	original = argv[i][0] == '-';
122		break;
123	+	case 'O':               /* original watts/sr/m^2 */
124	+	original = -(argv[i][0] == '-');
125	+	break;
126	+	case 'g':               /* gamma correction */
127	+	gamcor = atof(argv[i+1]);
128	+	if (argv[i][0] == '+')
129	+	gamcor = 1.0/gamcor;
130	+	i++;
131	+	break;
132	+	case 'e':               /* exposure correction */
133	+	d = atof(argv[i+1]);
134	+	if (argv[i+1][0] == '-' || argv[i+1][0] == '+')
135	+	d = pow(2.0, d);
136	+	if (argv[i][0] == '-')
137	+	expval *= d;
138	+	scalecolor(exposure, d);
139	+	doexposure++;
140	+	i++;
141	+	break;
142	+	case 'R':               /* reverse byte sequence */
143	+	if (argv[i][0] == '-') {
144	+	ord[0]=BLU; ord[1]=GRN; ord[2]=RED;
145	+	} else {
146	+	ord[0]=RED; ord[1]=GRN; ord[2]=BLU;
147	+	}
148	+	break;
149		case 'r':               /* reverse conversion */
150	<	reverse = 1;
150	>	reverse = argv[i][0] == '-';
151		break;
152	+	case 'n':               /* non-interleaved RGB */
153	+	interleave = argv[i][0] == '+';
154	+	break;
155		case 'b':               /* brightness values */
156	<	brightonly = 1;
156	>	putprim = argv[i][0] == '-' ? BRIGHT : ALL;
157		break;
158	+	case 'p':               /* primary controls */
159	+	switch (argv[i][2]) {
160	+	/* these two options affect -r conversion */
161	+	case '\0':
162	+	myprims[RED][CIEX] = atof(argv[++i]);
163	+	myprims[RED][CIEY] = atof(argv[++i]);
164	+	myprims[GRN][CIEX] = atof(argv[++i]);
165	+	myprims[GRN][CIEY] = atof(argv[++i]);
166	+	myprims[BLU][CIEX] = atof(argv[++i]);
167	+	myprims[BLU][CIEY] = atof(argv[++i]);
168	+	myprims[WHT][CIEX] = atof(argv[++i]);
169	+	myprims[WHT][CIEY] = atof(argv[++i]);
170	+	outprims = myprims;
171	+	break;
172	+	case 'x': case 'X': outprims = NULL; break;
173	+	/* the following options affect +r only */
174	+	case 'r': case 'R': putprim = RED; break;
175	+	case 'g': case 'G': putprim = GRN; break;
176	+	case 'b': case 'B': putprim = BLU; break;
177	+	default: goto unkopt;
178	+	}
179	+	break;
180		case 'd':               /* data only (no indices) */
181	<	dataonly = 1;
181	>	dataonly = (argv[i][0] == '-');
182		switch (argv[i][2]) {
183		case '\0':
184		case 'a':               /* ascii */
185		format = 'a';
186	+	fmtid = "ascii";
187		break;
188		case 'i':               /* integer */
189	+	format = 'i';
190	+	fmtid = "ascii";
191	+	break;
192		case 'b':               /* byte */
193	+	dataonly = 1;
194	+	format = 'b';
195	+	fmtid = "byte";
196	+	break;
197	+	case 'W':               /* 16-bit swapped */
198	+	swapbytes = 1;
199	+	case 'w':               /* 16-bit */
200	+	dataonly = 1;
201	+	format = 'w';
202	+	fmtid = "16-bit";
203	+	break;
204	+	case 'F':               /* swapped floats */
205	+	swapbytes = 1;
206		case 'f':               /* float */
207	+	dataonly = 1;
208	+	format = 'f';
209	+	fmtid = "float";
210	+	break;
211	+	case 'D':               /* swapped doubles */
212	+	swapbytes = 1;
213		case 'd':               /* double */
214	<	format = argv[i][2];
214	>	dataonly = 1;
215	>	format = 'd';
216	>	fmtid = "double";
217		break;
218		default:
219		goto unkopt;
220		}
221		break;
222		case 'x':               /* x resolution */
223	<	xres = atoi(argv[++i]);
223	>	case 'X':
224	>	resolution = 0;
225	>	if (argv[i][0] == '-')
226	>	picres.rt |= XDECR;
227	>	else
228	>	picres.rt &= ~XDECR;
229	>	if (picres.yr == 0)
230	>	picres.rt &= ~YMAJOR;
231	>	picres.xr = atoi(argv[++i]);
232		break;
233		case 'y':               /* y resolution */
234	<	yres = atoi(argv[++i]);
234	>	case 'Y':
235	>	resolution = 0;
236	>	if (argv[i][0] == '-')
237	>	picres.rt |= YDECR;
238	>	else
239	>	picres.rt &= ~YDECR;
240	>	if (picres.xr == 0)
241	>	picres.rt |= YMAJOR;
242	>	picres.yr = atoi(argv[++i]);
243		break;
244		default:
245		unkopt:
#	Line 102 | Line 250 | unkopt:
250		}
251		else
252		break;
253	<
253	>	/* recognize special formats */
254	>	if (dataonly & (format == 'b')) {
255	>	if (putprim == ALL)
256	>	fmtid = "24-bit_rgb";
257	>	else
258	>	fmtid = "8-bit_grey";
259	>	}
260	>	if (dataonly & (format == 'w')) {
261	>	if (putprim == ALL)
262	>	fmtid = "48-bit_rgb";
263	>	else
264	>	fmtid = "16-bit_grey";
265	>	}
266	>	if (!reverse | ((format != 'a') & (format != 'i')))
267	>	inpmode = "rb";
268	>	/* assign reverse ordering */
269	>	rord[ord[0]] = 0;
270	>	rord[ord[1]] = 1;
271	>	rord[ord[2]] = 2;
272	>	/* get input */
273		if (i == argc) {
274	+	long    n = skipbytes;
275	+	if (inpmode[1] == 'b')
276	+	SET_FILE_BINARY(stdin);
277	+	while (n-- > 0)
278	+	if (getchar() == EOF) {
279	+	fprintf(stderr,
280	+	"%s: cannot skip %ld bytes on standard input\n",
281	+	progname, skipbytes);
282	+	quit(1);
283	+	}
284		fin = stdin;
285	<	} else if (i == argc-1) {
286	<	if ((fin = fopen(argv[i], "r")) == NULL) {
285	>	} else if (i < argc) {
286	>	if ((fin = fopen(argv[i], inpmode)) == NULL) {
287		fprintf(stderr, "%s: can't open file \"%s\"\n",
288		progname, argv[i]);
289		quit(1);
290		}
291	<	} else {
291	>	if (reverse & (putprim != BRIGHT ) & (i == argc-3)) {
292	>	if ((fin2 = fopen(argv[i+1], inpmode)) == NULL) {
293	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
294	>	progname, argv[i+1]);
295	>	quit(1);
296	>	}
297	>	if ((fin3 = fopen(argv[i+2], inpmode)) == NULL) {
298	>	fprintf(stderr, "%s: can't open file \"%s\"\n",
299	>	progname, argv[i+2]);
300	>	quit(1);
301	>	}
302	>	interleave = -1;
303	>	} else if (i != argc-1)
304	>	fin = NULL;
305	>	if (reverse & (putprim != BRIGHT) & !interleave) {
306	>	fin2 = fopen(argv[i], inpmode);
307	>	fin3 = fopen(argv[i], inpmode);
308	>	}
309	>	if (skipbytes && (fseek(fin, skipbytes, SEEK_SET) || (fin2 != NULL &&
310	>	fseek(fin2, skipbytes, SEEK_SET) |
311	>	fseek(fin3, skipbytes, SEEK_SET)))) {
312	>	fprintf(stderr, "%s: cannot skip %ld bytes on input\n",
313	>	progname, skipbytes);
314	>	quit(1);
315	>	}
316	>	}
317	>	if (fin == NULL) {
318		fprintf(stderr, "%s: bad # file arguments\n", progname);
319		quit(1);
320		}
118	–
119	–	set_io();
120	–
321		if (reverse) {
322	<	if (header)                     /* get header */
323	<	copyheader(fin, stdout);
322	>	SET_FILE_BINARY(stdout);
323	>	/* get header */
324	>	if (header) {
325	>	getheader(fin, checkhead, stdout);
326	>	if (wrongformat) {
327	>	fprintf(stderr, "%s: wrong input format (expected %s)\n",
328	>	progname, fmtid);
329	>	quit(1);
330	>	}
331	>	if (fin2 != NULL) {
332	>	getheader(fin2, NULL, NULL);
333	>	getheader(fin3, NULL, NULL);
334	>	}
335	>	resolution &= (picres.xr <= 0) | (picres.yr <= 0);
336	>	} else {
337	>	newheader("RADIANCE", stdout);
338	>	}
339	>	/* get resolution */
340	>	if ((resolution && !fgetsresolu(&picres, fin)) ||
341	>	(picres.xr <= 0) | (picres.yr <= 0)) {
342	>	fprintf(stderr, "%s: missing resolution\n", progname);
343	>	quit(1);
344	>	}
345	>	if (resolution && fin2 != NULL) {
346	>	RESOLU  pres2;
347	>	if (!fgetsresolu(&pres2, fin2) ||
348	>	(pres2.rt != picres.rt) |
349	>	(pres2.xr != picres.xr) |
350	>	(pres2.yr != picres.yr) ||
351	>	!fgetsresolu(&pres2, fin3) ||
352	>	(pres2.rt != picres.rt) |
353	>	(pres2.xr != picres.xr) |
354	>	(pres2.yr != picres.yr)) {
355	>	fprintf(stderr, "%s: resolution mismatch\n",
356	>	progname);
357	>	quit(1);
358	>	}
359	>	}
360		/* add to header */
361		printargs(i, argv, stdout);
362	<	printf("\n");
363	<	if (yres <= 0 || xres <= 0) {
364	<	fprintf(stderr, "%s: missing x and y resolution\n",
365	<	progname);
366	<	quit(1);
362	>	if ((expval < .99) | (expval > 1.01))
363	>	fputexpos(expval, stdout);
364	>	if (NCSAMP == 1) {
365	>	if (putprim == ALL)
366	>	putprim = BRIGHT;
367	>	} else {
368	>	if (NCSAMP != 3) {
369	>	fprintf(stderr, "%s: input NCOMP must be 1 or 3\n",
370	>	progname);
371	>	quit(1);
372	>	}
373	>	if (putprim != ALL) {
374	>	fprintf(stderr, "%s: NCOMP mismatch\n", progname);
375	>	quit(1);
376	>	}
377		}
378	<	fputresolu(YMAJOR|YDECR, xres, yres, stdout);
378	>	if (outprims != NULL) {
379	>	if (outprims != stdprims)
380	>	fputprims(outprims, stdout);
381	>	fputformat(COLRFMT, stdout);
382	>	} else {                        /* XYZ data */
383	>	if (original < 0) {
384	>	scalecolor(exposure, WHTEFFICACY);
385	>	doexposure++;
386	>	}
387	>	fputformat(CIEFMT, stdout);
388	>	}
389	>	putchar('\n');
390	>	fputsresolu(&picres, stdout);   /* always put resolution */
391		valtopix();
392		} else {
393	+	if ((format != 'a') & (format != 'i'))
394	+	SET_FILE_BINARY(stdout);
395		/* get header */
396	<	getheader(fin, checkhead);
397	<
398	<	if (xres <= 0 || yres <= 0)             /* get picture size */
399	<	if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) {
400	<	fprintf(stderr,
401	<	"%s: missing x and y resolution\n",
402	<	progname);
403	<	quit(1);
404	<	}
396	>	picres.rt = PIXSTANDARD;
397	>	picres.xr = picres.yr = 0;
398	>	getheader(fin, checkhead, header ? stdout : (FILE *)NULL);
399	>	if (wrongformat) {
400	>	fprintf(stderr,
401	>	"%s: input not a Radiance RGBE picture\n",
402	>	progname);
403	>	quit(1);
404	>	}
405	>	if ((picres.xr <= 0) | (picres.yr <= 0) &&
406	>	!fgetsresolu(&picres, fin)) {
407	>	fprintf(stderr, "%s: missing resolution\n", progname);
408	>	quit(1);
409	>	}
410	>	if ((original < 0) & (mybright == &xyz_bright)) {
411	>	scalecolor(exposure, 1./WHTEFFICACY);
412	>	doexposure++;
413	>	}
414		if (header) {
415		printargs(i, argv, stdout);
416	<	printf("\n");
416	>	if (dataonly)
417	>	printf("%s%c\n", NCOMPSTR, "13"[putprim==ALL]);
418	>	if (dataonly && !resolution & !uniq)
419	>	printf("NCOLS=%d\nNROWS=%d\n", scanlen(&picres),
420	>	numscans(&picres));
421	>	if ((expval < .99) | (expval > 1.01))
422	>	fputexpos(expval, stdout);
423	>	if (swapbytes) {
424	>	if (nativebigendian())
425	>	puts("BigEndian=0");
426	>	else
427	>	puts("BigEndian=1");
428	>	} else if ((format != 'a') & (format != 'i') &
429	>	(format != 'b'))
430	>	fputendian(stdout);
431	>	fputformat(fmtid, stdout);
432	>	putchar('\n');
433		}
434	+	if (resolution)                 /* put resolution */
435	+	fputsresolu(&picres, stdout);
436		pixtoval();
437		}
438
439		quit(0);
440	+	return 0; /* pro forma return */
441		}
442
443
444	<	checkhead(line)                         /* deal with line from header */
445	<	char  *line;
444	>	static int
445	>	IDformat(const char *s)
446		{
447	<	if (header)
448	<	fputs(line, stdout);
449	<	if (isexpos(line))
450	<	exposure *= exposval(line);
447	>	if (!s || !*s) return(0);
448	>	if (!strcmp(s, "ascii")) return('a');
449	>	if (!strcmp(s, "float")) return('f');
450	>	if (!strcmp(s, "double")) return('d');
451	>	if (!strcmp(s, "byte")) return('b');
452	>	if (!strcmp(s, "16-bit")) return('w');
453	>	return(0);
454		}
455
456
457	<	pixtoval()                              /* convert picture to values */
457	>	static int
458	>	checkhead(                              /* deal with line from header */
459	>	char    *line,
460	>	void    *p
461	>	)
462		{
463	<	COLOR  *scanln;
463	>	static char     fmt[MAXFMTLEN];
464	>	FILE    *fout = (FILE *)p;
465	>	double  d;
466	>	COLOR   ctmp;
467	>	int     rv;
468	>
469	>	if (formatval(fmt, line)) {
470	>	if (reverse) {
471	>	if (format == 'a') {
472	>	format = IDformat(fmt);
473	>	if (format)
474	>	fmtid = fmt;
475	>	else
476	>	wrongformat = 1;
477	>	} else
478	>	wrongformat = strcmp(fmt, fmtid);
479	>	} else if (!strcmp(fmt, CIEFMT))
480	>	mybright = &xyz_bright;
481	>	else if (!strcmp(fmt, COLRFMT) || !strcmp(fmt, SPECFMT))
482	>	mybright = &rgb_bright;
483	>	else
484	>	wrongformat = 1;
485	>	return(1);
486	>	}
487	>	if (!strncmp(line,"NROWS=",6)) {
488	>	picres.yr = atoi(line+6);
489	>	return(1);
490	>	}
491	>	if (!strncmp(line,"NCOLS=",6)) {
492	>	picres.xr = atoi(line+6);
493	>	return(1);
494	>	}
495	>	if (isncomp(line)) {
496	>	NCSAMP = ncompval(line);
497	>	dataonly |= reverse;    /* pretty safe assumption */
498	>	return(1);
499	>	}
500	>	if (iswlsplit(line)) {
501	>	wlsplitval(WLPART, line);
502	>	return(1);
503	>	}
504	>	if (original && isexpos(line)) {
505	>	d = 1.0/exposval(line);
506	>	scalecolor(exposure, d);
507	>	doexposure++;
508	>	return(1);
509	>	}
510	>	if (original && iscolcor(line)) {
511	>	colcorval(ctmp, line);
512	>	setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED),
513	>	colval(exposure,GRN)/colval(ctmp,GRN),
514	>	colval(exposure,BLU)/colval(ctmp,BLU));
515	>	doexposure++;
516	>	return(1);
517	>	}
518	>	if ((rv = isbigendian(line)) >= 0) {
519	>	if (reverse)
520	>	swapbytes = (nativebigendian() != rv);
521	>	return(1);
522	>	}
523	>	if (fout != NULL)
524	>	fputs(line, fout);
525	>	return(0);
526	>	}
527	>
528	>
529	>	static void
530	>	pixtoval(void)                          /* convert picture to values */
531	>	{
532	>	COLOR   *scanln;
533	>	int  dogamma;
534		COLOR  lastc;
535	<	int  y;
536	<	register int  x;
535	>	RREAL  hv[2];
536	>	int  startprim, endprim;
537	>	long  startpos;
538	>	int  x, y;
539
540	<	scanln = (COLOR *)malloc(xres*sizeof(COLOR));
540	>	scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
541		if (scanln == NULL) {
542		fprintf(stderr, "%s: out of memory\n", progname);
543		quit(1);
544		}
545	<	setcolor(lastc, 0.0, 0.0, 0.0);
546	<	for (y = yres-1; y >= 0; y--) {
547	<	if (freadscan(scanln, xres, fin) < 0) {
548	<	fprintf(stderr, "%s: read error\n", progname);
545	>	dogamma = gamcor < .95 || gamcor > 1.05;
546	>	if ((putprim == ALL) & !interleave) {
547	>	startprim = RED; endprim = BLU;
548	>	startpos = ftell(fin);
549	>	} else {
550	>	startprim = putprim; endprim = putprim;
551	>	}
552	>	for (putprim = startprim; putprim <= endprim; putprim++) {
553	>	if (putprim != startprim && fseek(fin, startpos, SEEK_SET)) {
554	>	fprintf(stderr, "%s: seek error on input file\n",
555	>	progname);
556		quit(1);
557		}
558	<	for (x = 0; x < xres; x++) {
559	<	if (uniq)
560	<	if (    scanln[x][RED] == lastc[RED] &&
561	<	scanln[x][GRN] == lastc[GRN] &&
562	<	scanln[x][BLU] == lastc[BLU]    )
563	<	continue;
190	<	else
191	<	copycolor(lastc, scanln[x]);
192	<	if (original)
193	<	scalecolor(scanln[x], 1.0/exposure);
194	<	if (!dataonly)
195	<	printf("%7d %7d ", x, y);
196	<	if ((*putval)(scanln[x], stdout) < 0) {
197	<	fprintf(stderr, "%s: write error\n", progname);
558	>	set_io();
559	>	setcolor(lastc, 0.0, 0.0, 0.0);
560	>	for (y = 0; y < numscans(&picres); y++) {
561	>	if (fread2scan(scanln, scanlen(&picres), fin,
562	>	NCSAMP, WLPART) < 0) {
563	>	fprintf(stderr, "%s: read error\n", progname);
564		quit(1);
565		}
566	+	for (x = 0; x < scanlen(&picres); x++) {
567	+	if (uniq) {
568	+	if (    colval(scanln[x],RED) ==
569	+	colval(lastc,RED) &&
570	+	colval(scanln[x],GRN) ==
571	+	colval(lastc,GRN) &&
572	+	colval(scanln[x],BLU) ==
573	+	colval(lastc,BLU)       )
574	+	continue;
575	+	else
576	+	copycolor(lastc, scanln[x]);
577	+	}
578	+	if (doexposure)
579	+	multcolor(scanln[x], exposure);
580	+	if (dogamma)
581	+	setcolor(scanln[x],
582	+	pow(colval(scanln[x],RED), 1.0/gamcor),
583	+	pow(colval(scanln[x],GRN), 1.0/gamcor),
584	+	pow(colval(scanln[x],BLU), 1.0/gamcor));
585	+	if (!dataonly) {
586	+	pix2loc(hv, &picres, x, y);
587	+	printf("%7d %7d ",
588	+	(int)(hv[0]*picres.xr),
589	+	(int)(hv[1]*picres.yr));
590	+	}
591	+	if ((*putval)(scanln[x]) < 0) {
592	+	fprintf(stderr, "%s: write error\n",
593	+	progname);
594	+	quit(1);
595	+	}
596	+	}
597		}
598		}
599	<	free((char *)scanln);
599	>	free((void *)scanln);
600		}
601
602
603	<	valtopix()                      /* convert values to a pixel file */
603	>	static void
604	>	valtopix(void)                  /* convert values to a pixel file */
605		{
606	<	COLOR  *scanln;
607	<	int  y;
608	<	register int  x;
606	>	int     dogamma;
607	>	COLOR   *scanln;
608	>	COLR    rgbe;
609	>	int     x, y;
610
611	<	scanln = (COLOR *)malloc(xres*sizeof(COLOR));
611	>	scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR));
612		if (scanln == NULL) {
613		fprintf(stderr, "%s: out of memory\n", progname);
614		quit(1);
615		}
616	<	for (y = yres-1; y >= 0; y--) {
617	<	for (x = 0; x < xres; x++) {
618	<	if (!dataonly)
616	>	dogamma = gamcor < .95 || gamcor > 1.05;
617	>	set_io();
618	>	for (y = 0; y < numscans(&picres); y++) {
619	>	for (x = 0; x < scanlen(&picres); x++) {
620	>	if (!dataonly) {
621		fscanf(fin, "%*d %*d");
622	<	if ((*getval)(scanln[x], fin) < 0) {
622	>	if (fin2 != NULL) {
623	>	fscanf(fin2, "%*d %*d");
624	>	fscanf(fin3, "%*d %*d");
625	>	}
626	>	}
627	>	if ((*getval)(scanln[x]) < 0) {
628		fprintf(stderr, "%s: read error\n", progname);
629		quit(1);
630		}
631	+	if (dogamma)
632	+	setcolor(scanln[x],
633	+	pow(colval(scanln[x],RED), gamcor),
634	+	pow(colval(scanln[x],GRN), gamcor),
635	+	pow(colval(scanln[x],BLU), gamcor));
636	+	if (doexposure)
637	+	multcolor(scanln[x], exposure);
638	+	if (uniq) {             /* uncompressed? */
639	+	setcolr(rgbe,   scanln[x][RED],
640	+	scanln[x][GRN],
641	+	scanln[x][BLU]);
642	+	if (putbinary(rgbe, sizeof(COLR), 1, stdout) != 1)
643	+	goto writerr;
644	+	}
645		}
646	<	if (fwritescan(scanln, xres, stdout) < 0
647	<	|| fflush(stdout) < 0) {
648	<	fprintf(stderr, "%s: write error\n", progname);
229	<	quit(1);
230	<	}
646	>	/* write scan if compressed */
647	>	if (!uniq && fwritescan(scanln, scanlen(&picres), stdout) < 0)
648	>	goto writerr;
649		}
650	<	free((char *)scanln);
650	>	free((void *)scanln);
651	>	return;
652	>	writerr:
653	>	fprintf(stderr, "%s: write error\n", progname);
654	>	quit(1);
655		}
656
657
658	+	void
659		quit(code)
660		int  code;
661		{
#	Line 240 | Line 663 | int  code;
663		}
664
665
666	<	getcascii(col, fp)              /* get an ascii color value from fp */
667	<	COLOR  col;
668	<	FILE  *fp;
666	>	static int
667	>	getcascii(              /* get an ascii color value from stream(s) */
668	>	COLOR  col
669	>	)
670		{
671	<	double  vd[3];
671	>	double  vd[3];
672
673	<	if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
674	<	return(-1);
675	<	setcolor(col, vd[0], vd[1], vd[2]);
673	>	if (fin2 == NULL) {
674	>	if (fscanf(fin, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3)
675	>	return(-1);
676	>	} else {
677	>	if (fscanf(fin, "%lf", &vd[0]) != 1 ||
678	>	fscanf(fin2, "%lf", &vd[1]) != 1 ||
679	>	fscanf(fin3, "%lf", &vd[2]) != 1)
680	>	return(-1);
681	>	}
682	>	setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
683		return(0);
684		}
685
686
687	<	getcdouble(col, fp)             /* get a double color value from fp */
688	<	COLOR  col;
689	<	FILE  *fp;
687	>	static int
688	>	getcdouble(             /* get a double color value from stream(s) */
689	>	COLOR  col
690	>	)
691		{
692	<	double  vd[3];
692	>	double  vd[3];
693
694	<	if (fread(vd, sizeof(double), 3, fp) != 3)
695	<	return(-1);
696	<	setcolor(col, vd[0], vd[1], vd[2]);
694	>	if (fin2 == NULL) {
695	>	if (getbinary(vd, sizeof(double), 3, fin) != 3)
696	>	return(-1);
697	>	} else {
698	>	if (getbinary(vd, sizeof(double), 1, fin) != 1 ||
699	>	getbinary(vd+1, sizeof(double), 1, fin2) != 1 ||
700	>	getbinary(vd+2, sizeof(double), 1, fin3) != 1)
701	>	return(-1);
702	>	}
703	>	if (swapbytes)
704	>	swap64((char *)vd, 3);
705	>	setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]);
706		return(0);
707		}
708
709
710	<	getcfloat(col, fp)              /* get a float color value from fp */
711	<	COLOR  col;
712	<	FILE  *fp;
710	>	static int
711	>	getcfloat(              /* get a float color value from stream(s) */
712	>	COLOR  col
713	>	)
714		{
715		float  vf[3];
716
717	<	if (fread(vf, sizeof(float), 3, fp) != 3)
718	<	return(-1);
719	<	setcolor(col, vf[0], vf[1], vf[2]);
717	>	if (fin2 == NULL) {
718	>	if (getbinary(vf, sizeof(float), 3, fin) != 3)
719	>	return(-1);
720	>	} else {
721	>	if (getbinary(vf, sizeof(float), 1, fin) != 1 ||
722	>	getbinary(vf+1, sizeof(float), 1, fin2) != 1 ||
723	>	getbinary(vf+2, sizeof(float), 1, fin3) != 1)
724	>	return(-1);
725	>	}
726	>	if (swapbytes)
727	>	swap32((char *)vf, 3);
728	>	setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]);
729		return(0);
730		}
731
732
733	<	getcint(col, fp)                /* get an int color value from fp */
734	<	COLOR  col;
735	<	FILE  *fp;
733	>	static int
734	>	getcint(                /* get an int color value from stream(s) */
735	>	COLOR  col
736	>	)
737		{
738		int  vi[3];
739
740	<	if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
741	<	return(-1);
742	<	setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.);
740	>	if (fin2 == NULL) {
741	>	if (fscanf(fin, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3)
742	>	return(-1);
743	>	} else {
744	>	if (fscanf(fin, "%d", &vi[0]) != 1 ||
745	>	fscanf(fin2, "%d", &vi[1]) != 1 ||
746	>	fscanf(fin3, "%d", &vi[2]) != 1)
747	>	return(-1);
748	>	}
749	>	setcolor(col, (vi[rord[RED]]+.5)/256.,
750	>	(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.);
751		return(0);
752		}
753
754
755	<	getcbyte(col, fp)               /* get a byte color value from fp */
756	<	COLOR  col;
757	<	FILE  *fp;
755	>	static int
756	>	getcbyte(               /* get a byte color value from stream(s) */
757	>	COLOR  col
758	>	)
759		{
760	<	BYTE  vb[3];
760	>	uby8  vb[3];
761
762	<	if (fread(vb, sizeof(BYTE), 3, fp) != 3)
763	<	return(-1);
764	<	setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.);
762	>	if (fin2 == NULL) {
763	>	if (getbinary(vb, sizeof(uby8), 3, fin) != 3)
764	>	return(-1);
765	>	} else {
766	>	if (getbinary(vb, sizeof(uby8), 1, fin) != 1 ||
767	>	getbinary(vb+1, sizeof(uby8), 1, fin2) != 1 ||
768	>	getbinary(vb+2, sizeof(uby8), 1, fin3) != 1)
769	>	return(-1);
770	>	}
771	>	setcolor(col, (vb[rord[RED]]+.5)/256.,
772	>	(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.);
773		return(0);
774		}
775
776
777	<	getbascii(col, fp)              /* get an ascii brightness value from fp */
778	<	COLOR  col;
779	<	FILE  *fp;
777	>	static int
778	>	getcword(               /* get a 16-bit color value from stream(s) */
779	>	COLOR  col
780	>	)
781		{
782	<	double  vd;
782	>	uint16  vw[3];
783
784	<	if (fscanf(fp, "%lf", &vd) != 1)
784	>	if (fin2 == NULL) {
785	>	if (getbinary(vw, sizeof(uint16), 3, fin) != 3)
786	>	return(-1);
787	>	} else {
788	>	if (getbinary(vw, sizeof(uint16), 1, fin) != 1 ||
789	>	getbinary(vw+1, sizeof(uint16), 1, fin2) != 1 ||
790	>	getbinary(vw+2, sizeof(uint16), 1, fin3) != 1)
791	>	return(-1);
792	>	}
793	>	if (swapbytes)
794	>	swap16((char *)vw, 3);
795	>	setcolor(col, (vw[rord[RED]]+.5)/65536.,
796	>	(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.);
797	>	return(0);
798	>	}
799	>
800	>
801	>	static int
802	>	getbascii(              /* get an ascii brightness value from fin */
803	>	COLOR  col
804	>	)
805	>	{
806	>	double  vd;
807	>
808	>	if (fscanf(fin, "%lf", &vd) != 1)
809		return(-1);
810		setcolor(col, vd, vd, vd);
811		return(0);
812		}
813
814
815	<	getbdouble(col, fp)             /* get a double brightness value from fp */
816	<	COLOR  col;
817	<	FILE  *fp;
815	>	static int
816	>	getbdouble(             /* get a double brightness value from fin */
817	>	COLOR  col
818	>	)
819		{
820	<	double  vd;
820	>	double  vd;
821
822	<	if (fread(&vd, sizeof(double), 1, fp) != 1)
822	>	if (getbinary(&vd, sizeof(double), 1, fin) != 1)
823		return(-1);
824	+	if (swapbytes)
825	+	swap64((char *)&vd, 1);
826		setcolor(col, vd, vd, vd);
827		return(0);
828		}
829
830
831	<	getbfloat(col, fp)              /* get a float brightness value from fp */
832	<	COLOR  col;
833	<	FILE  *fp;
831	>	static int
832	>	getbfloat(              /* get a float brightness value from fin */
833	>	COLOR  col
834	>	)
835		{
836		float  vf;
837
838	<	if (fread(&vf, sizeof(float), 1, fp) != 1)
838	>	if (getbinary(&vf, sizeof(float), 1, fin) != 1)
839		return(-1);
840	+	if (swapbytes)
841	+	swap32((char *)&vf, 1);
842		setcolor(col, vf, vf, vf);
843		return(0);
844		}
845
846
847	<	getbint(col, fp)                /* get an int brightness value from fp */
848	<	COLOR  col;
849	<	FILE  *fp;
847	>	static int
848	>	getbint(                /* get an int brightness value from fin */
849	>	COLOR  col
850	>	)
851		{
852		int  vi;
853	<	double  d;
853	>	double  d;
854
855	<	if (fscanf(fp, "%d", &vi) != 1)
855	>	if (fscanf(fin, "%d", &vi) != 1)
856		return(-1);
857		d = (vi+.5)/256.;
858		setcolor(col, d, d, d);
#	Line 359 | Line 860 | FILE  *fp;
860		}
861
862
863	<	getbbyte(col, fp)               /* get a byte brightness value from fp */
864	<	COLOR  col;
865	<	FILE  *fp;
863	>	static int
864	>	getbbyte(               /* get a byte brightness value from fin */
865	>	COLOR  col
866	>	)
867		{
868	<	BYTE  vb;
869	<	double  d;
868	>	uby8  vb;
869	>	double  d;
870
871	<	if (fread(&vb, sizeof(BYTE), 1, fp) != 1)
871	>	if (getbinary(&vb, sizeof(uby8), 1, fin) != 1)
872		return(-1);
873		d = (vb+.5)/256.;
874		setcolor(col, d, d, d);
#	Line 374 | Line 876 | FILE  *fp;
876		}
877
878
879	<	putcascii(col, fp)                      /* put an ascii color to fp */
880	<	COLOR  col;
881	<	FILE  *fp;
879	>	static int
880	>	getbword(               /* get a 16-bit brightness value from fin */
881	>	COLOR  col
882	>	)
883		{
884	<	fprintf(fp, "%15.3e %15.3e %15.3e\n",
885	<	colval(col,RED),
383	<	colval(col,GRN),
384	<	colval(col,BLU));
884	>	uint16  vw;
885	>	double  d;
886
887	<	return(ferror(fp) ? -1 : 0);
887	>	if (getbinary(&vw, sizeof(uint16), 1, fin) != 1)
888	>	return(-1);
889	>	if (swapbytes)
890	>	swap16((char *)&vw, 1);
891	>	d = (vw+.5)/65536.;
892	>	setcolor(col, d, d, d);
893	>	return(0);
894		}
895
896
897	<	putcfloat(col, fp)                      /* put a float color to fp */
898	<	COLOR  col;
899	<	FILE  *fp;
897	>	static int
898	>	putcascii(                      /* put an ascii color to stdout */
899	>	COLOR  col
900	>	)
901		{
902	+	fprintf(stdout, "%15.3e %15.3e %15.3e\n",
903	+	colval(col,ord[0]),
904	+	colval(col,ord[1]),
905	+	colval(col,ord[2]));
906	+
907	+	return(ferror(stdout) ? -1 : 0);
908	+	}
909	+
910	+
911	+	static int
912	+	putcfloat(                      /* put a float color to stdout */
913	+	COLOR  col
914	+	)
915	+	{
916		float  vf[3];
917
918	<	vf[0] = colval(col,RED);
919	<	vf[1] = colval(col,GRN);
920	<	vf[2] = colval(col,BLU);
921	<	fwrite(vf, sizeof(float), 3, fp);
918	>	vf[0] = colval(col,ord[0]);
919	>	vf[1] = colval(col,ord[1]);
920	>	vf[2] = colval(col,ord[2]);
921	>	if (swapbytes)
922	>	swap32((char *)vf, 3);
923	>	putbinary(vf, sizeof(float), 3, stdout);
924
925	<	return(ferror(fp) ? -1 : 0);
925	>	return(ferror(stdout) ? -1 : 0);
926		}
927
928
929	<	putcdouble(col, fp)                     /* put a double color to fp */
930	<	COLOR  col;
931	<	FILE  *fp;
929	>	static int
930	>	putcdouble(                     /* put a double color to stdout */
931	>	COLOR  col
932	>	)
933		{
934	<	double  vd[3];
934	>	double  vd[3];
935
936	<	vd[0] = colval(col,RED);
937	<	vd[1] = colval(col,GRN);
938	<	vd[2] = colval(col,BLU);
939	<	fwrite(vd, sizeof(double), 3, fp);
936	>	vd[0] = colval(col,ord[0]);
937	>	vd[1] = colval(col,ord[1]);
938	>	vd[2] = colval(col,ord[2]);
939	>	if (swapbytes)
940	>	swap64((char *)vd, 3);
941	>	putbinary(vd, sizeof(double), 3, stdout);
942
943	<	return(ferror(fp) ? -1 : 0);
943	>	return(ferror(stdout) ? -1 : 0);
944		}
945
946
947	<	putcint(col, fp)                        /* put an int color to fp */
948	<	COLOR  col;
949	<	FILE  *fp;
947	>	static int
948	>	putcint(                        /* put an int color to stdout */
949	>	COLOR  col
950	>	)
951		{
952	<	fprintf(fp, "%d %d %d\n",
953	<	(int)(colval(col,RED)*256.),
954	<	(int)(colval(col,GRN)*256.),
955	<	(int)(colval(col,BLU)*256.));
952	>	fprintf(stdout, "%d %d %d\n",
953	>	(int)(colval(col,ord[0])*256.),
954	>	(int)(colval(col,ord[1])*256.),
955	>	(int)(colval(col,ord[2])*256.));
956
957	<	return(ferror(fp) ? -1 : 0);
957	>	return(ferror(stdout) ? -1 : 0);
958		}
959
960
961	<	putcbyte(col, fp)                       /* put a byte color to fp */
962	<	COLOR  col;
963	<	FILE  *fp;
961	>	static int
962	>	putcbyte(                       /* put a byte color to stdout */
963	>	COLOR  col
964	>	)
965		{
966	<	register int  i;
967	<	BYTE  vb[3];
966	>	long  i;
967	>	uby8  vb[3];
968
969	<	i = colval(col,RED)*256.;
969	>	i = colval(col,ord[0])*256.;
970		vb[0] = min(i,255);
971	<	i = colval(col,GRN)*256.;
971	>	i = colval(col,ord[1])*256.;
972		vb[1] = min(i,255);
973	<	i = colval(col,BLU)*256.;
973	>	i = colval(col,ord[2])*256.;
974		vb[2] = min(i,255);
975	<	fwrite(vb, sizeof(BYTE), 3, fp);
975	>	putbinary(vb, sizeof(uby8), 3, stdout);
976
977	<	return(ferror(fp) ? -1 : 0);
977	>	return(ferror(stdout) ? -1 : 0);
978		}
979
980
981	<	putbascii(col, fp)                      /* put an ascii brightness to fp */
982	<	COLOR  col;
983	<	FILE  *fp;
981	>	static int
982	>	putcword(                       /* put a 16-bit color to stdout */
983	>	COLOR  col
984	>	)
985		{
986	<	fprintf(fp, "%15.3e\n", bright(col));
986	>	long  i;
987	>	uint16  vw[3];
988
989	<	return(ferror(fp) ? -1 : 0);
989	>	i = colval(col,ord[0])*65536.;
990	>	vw[0] = min(i,65535);
991	>	i = colval(col,ord[1])*65536.;
992	>	vw[1] = min(i,65535);
993	>	i = colval(col,ord[2])*65536.;
994	>	vw[2] = min(i,65535);
995	>	if (swapbytes)
996	>	swap16((char *)vw, 3);
997	>	putbinary(vw, sizeof(uint16), 3, stdout);
998	>
999	>	return(ferror(stdout) ? -1 : 0);
1000		}
1001
1002
1003	<	putbfloat(col, fp)                      /* put a float brightness to fp */
1004	<	COLOR  col;
1005	<	FILE  *fp;
1003	>	static int
1004	>	putbascii(                      /* put an ascii brightness to stdout */
1005	>	COLOR  col
1006	>	)
1007		{
1008	+	fprintf(stdout, "%15.3e\n", (*mybright)(col));
1009	+
1010	+	return(ferror(stdout) ? -1 : 0);
1011	+	}
1012	+
1013	+
1014	+	static int
1015	+	putbfloat(                      /* put a float brightness to stdout */
1016	+	COLOR  col
1017	+	)
1018	+	{
1019		float  vf;
1020
1021	<	vf = bright(col);
1022	<	fwrite(&vf, sizeof(float), 1, fp);
1021	>	vf = (*mybright)(col);
1022	>	if (swapbytes)
1023	>	swap32((char *)&vf, 1);
1024	>	putbinary(&vf, sizeof(float), 1, stdout);
1025
1026	<	return(ferror(fp) ? -1 : 0);
1026	>	return(ferror(stdout) ? -1 : 0);
1027		}
1028
1029
1030	<	putbdouble(col, fp)                     /* put a double brightness to fp */
1031	<	COLOR  col;
1032	<	FILE  *fp;
1030	>	static int
1031	>	putbdouble(                     /* put a double brightness to stdout */
1032	>	COLOR  col
1033	>	)
1034		{
1035	<	double  vd;
1035	>	double  vd;
1036
1037	<	vd = bright(col);
1038	<	fwrite(&vd, sizeof(double), 1, fp);
1037	>	vd = (*mybright)(col);
1038	>	if (swapbytes)
1039	>	swap64((char *)&vd, 1);
1040	>	putbinary(&vd, sizeof(double), 1, stdout);
1041
1042	<	return(ferror(fp) ? -1 : 0);
1042	>	return(ferror(stdout) ? -1 : 0);
1043		}
1044
1045
1046	<	putbint(col, fp)                        /* put an int brightness to fp */
1047	<	COLOR  col;
1048	<	FILE  *fp;
1046	>	static int
1047	>	putbint(                        /* put an int brightness to stdout */
1048	>	COLOR  col
1049	>	)
1050		{
1051	<	fprintf(fp, "%d\n", (int)(bright(col)*256.));
1051	>	fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.));
1052
1053	<	return(ferror(fp) ? -1 : 0);
1053	>	return(ferror(stdout) ? -1 : 0);
1054		}
1055
1056
1057	<	putbbyte(col, fp)                       /* put a byte brightness to fp */
1058	<	COLOR  col;
1059	<	FILE  *fp;
1057	>	static int
1058	>	putbbyte(                       /* put a byte brightness to stdout */
1059	>	COLOR  col
1060	>	)
1061		{
1062	<	register int  i;
1063	<	BYTE  vb;
1062	>	int  i;
1063	>	uby8  vb;
1064
1065	<	i = bright(col)*256.;
1065	>	i = (*mybright)(col)*256.;
1066		vb = min(i,255);
1067	<	fwrite(&vb, sizeof(BYTE), 1, fp);
1067	>	putbinary(&vb, sizeof(uby8), 1, stdout);
1068
1069	<	return(ferror(fp) ? -1 : 0);
1069	>	return(ferror(stdout) ? -1 : 0);
1070		}
1071
1072
1073	<	set_io()                        /* set put and get functions */
1073	>	static int
1074	>	putbword(                       /* put a 16-bit brightness to stdout */
1075	>	COLOR  col
1076	>	)
1077		{
1078	+	long  i;
1079	+	uint16  vw;
1080	+
1081	+	i = (*mybright)(col)*65536.;
1082	+	vw = min(i,65535);
1083	+	if (swapbytes)
1084	+	swap16((char *)&vw, 1);
1085	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1086	+
1087	+	return(ferror(stdout) ? -1 : 0);
1088	+	}
1089	+
1090	+
1091	+	static int
1092	+	putpascii(                      /* put an ascii primary to stdout */
1093	+	COLOR  col
1094	+	)
1095	+	{
1096	+	fprintf(stdout, "%15.3e\n", colval(col,putprim));
1097	+
1098	+	return(ferror(stdout) ? -1 : 0);
1099	+	}
1100	+
1101	+
1102	+	static int
1103	+	putpfloat(                      /* put a float primary to stdout */
1104	+	COLOR  col
1105	+	)
1106	+	{
1107	+	float  vf;
1108	+
1109	+	vf = colval(col,putprim);
1110	+	if (swapbytes)
1111	+	swap32((char *)&vf, 1);
1112	+	putbinary(&vf, sizeof(float), 1, stdout);
1113	+
1114	+	return(ferror(stdout) ? -1 : 0);
1115	+	}
1116	+
1117	+
1118	+	static int
1119	+	putpdouble(                     /* put a double primary to stdout */
1120	+	COLOR  col
1121	+	)
1122	+	{
1123	+	double  vd;
1124	+
1125	+	vd = colval(col,putprim);
1126	+	if (swapbytes)
1127	+	swap64((char *)&vd, 1);
1128	+	putbinary(&vd, sizeof(double), 1, stdout);
1129	+
1130	+	return(ferror(stdout) ? -1 : 0);
1131	+	}
1132	+
1133	+
1134	+	static int
1135	+	putpint(                        /* put an int primary to stdout */
1136	+	COLOR  col
1137	+	)
1138	+	{
1139	+	fprintf(stdout, "%d\n", (int)(colval(col,putprim)*256.));
1140	+
1141	+	return(ferror(stdout) ? -1 : 0);
1142	+	}
1143	+
1144	+
1145	+	static int
1146	+	putpbyte(                       /* put a byte primary to stdout */
1147	+	COLOR  col
1148	+	)
1149	+	{
1150	+	long  i;
1151	+	uby8  vb;
1152	+
1153	+	i = colval(col,putprim)*256.;
1154	+	vb = min(i,255);
1155	+	putbinary(&vb, sizeof(uby8), 1, stdout);
1156	+
1157	+	return(ferror(stdout) ? -1 : 0);
1158	+	}
1159	+
1160	+
1161	+	static int
1162	+	putpword(                       /* put a 16-bit primary to stdout */
1163	+	COLOR  col
1164	+	)
1165	+	{
1166	+	long  i;
1167	+	uint16  vw;
1168	+
1169	+	i = colval(col,putprim)*65536.;
1170	+	vw = min(i,65535);
1171	+	if (swapbytes)
1172	+	swap16((char *)&vw, 1);
1173	+	putbinary(&vw, sizeof(uint16), 1, stdout);
1174	+
1175	+	return(ferror(stdout) ? -1 : 0);
1176	+	}
1177	+
1178	+
1179	+	static void
1180	+	set_io(void)                    /* set put and get functions */
1181	+	{
1182		switch (format) {
1183		case 'a':                                       /* ascii */
1184	<	if (brightonly) {
1184	>	if (putprim == BRIGHT) {
1185		getval = getbascii;
1186		putval = putbascii;
1187	+	} else if (putprim != ALL) {
1188	+	getval = getbascii;
1189	+	putval = putpascii;
1190		} else {
1191		getval = getcascii;
1192		putval = putcascii;
1193	+	if (reverse && !interleave) {
1194	+	fprintf(stderr,
1195	+	"%s: ASCII input files must be interleaved\n",
1196	+	progname);
1197	+	quit(1);
1198	+	}
1199		}
1200		return;
1201		case 'f':                                       /* binary float */
1202	<	if (brightonly) {
1202	>	if (putprim == BRIGHT) {
1203		getval = getbfloat;
1204		putval = putbfloat;
1205	+	} else if (putprim != ALL) {
1206	+	getval = getbfloat;
1207	+	putval = putpfloat;
1208		} else {
1209		getval = getcfloat;
1210		putval = putcfloat;
1211	+	if (reverse && !interleave) {
1212	+	if (fin2 == NULL)
1213	+	goto namerr;
1214	+	if (fseek(fin2,
1215	+	(long)sizeof(float)*picres.xr*picres.yr, SEEK_CUR))
1216	+	goto seekerr;
1217	+	if (fseek(fin3,
1218	+	(long)sizeof(float)*2*picres.xr*picres.yr, SEEK_CUR))
1219	+	goto seekerr;
1220	+	}
1221		}
1222		return;
1223		case 'd':                                       /* binary double */
1224	<	if (brightonly) {
1224	>	if (putprim == BRIGHT) {
1225		getval = getbdouble;
1226		putval = putbdouble;
1227	+	} else if (putprim != ALL) {
1228	+	getval = getbdouble;
1229	+	putval = putpdouble;
1230		} else {
1231		getval = getcdouble;
1232		putval = putcdouble;
1233	+	if (reverse && !interleave) {
1234	+	if (fin2 == NULL)
1235	+	goto namerr;
1236	+	if (fseek(fin2,
1237	+	(long)sizeof(double)*picres.xr*picres.yr, SEEK_CUR))
1238	+	goto seekerr;
1239	+	if (fseek(fin3,
1240	+	(long)sizeof(double)*2*picres.xr*picres.yr, SEEK_CUR))
1241	+	goto seekerr;
1242	+	}
1243		}
1244		return;
1245		case 'i':                                       /* integer */
1246	<	if (brightonly) {
1246	>	if (putprim == BRIGHT) {
1247		getval = getbint;
1248		putval = putbint;
1249	+	} else if (putprim != ALL) {
1250	+	getval = getbint;
1251	+	putval = putpint;
1252		} else {
1253		getval = getcint;
1254		putval = putcint;
1255	+	if (reverse && !interleave) {
1256	+	fprintf(stderr,
1257	+	"%s: integer input files must be interleaved\n",
1258	+	progname);
1259	+	quit(1);
1260	+	}
1261		}
1262		return;
1263		case 'b':                                       /* byte */
1264	<	if (brightonly) {
1264	>	if (putprim == BRIGHT) {
1265		getval = getbbyte;
1266		putval = putbbyte;
1267	+	} else if (putprim != ALL) {
1268	+	getval = getbbyte;
1269	+	putval = putpbyte;
1270		} else {
1271		getval = getcbyte;
1272		putval = putcbyte;
1273	+	if (reverse && !interleave) {
1274	+	if (fin2 == NULL)
1275	+	goto namerr;
1276	+	if (fseek(fin2,
1277	+	(long)sizeof(uby8)*picres.xr*picres.yr, SEEK_CUR))
1278	+	goto seekerr;
1279	+	if (fseek(fin3,
1280	+	(long)sizeof(uby8)*2*picres.xr*picres.yr, SEEK_CUR))
1281	+	goto seekerr;
1282	+	}
1283		}
1284		return;
1285	+	case 'w':                                       /* 16-bit */
1286	+	if (putprim == BRIGHT) {
1287	+	getval = getbword;
1288	+	putval = putbword;
1289	+	} else if (putprim != ALL) {
1290	+	getval = getbword;
1291	+	putval = putpword;
1292	+	} else {
1293	+	getval = getcword;
1294	+	putval = putcword;
1295	+	if (reverse && !interleave) {
1296	+	if (fin2 == NULL)
1297	+	goto namerr;
1298	+	if (fseek(fin2,
1299	+	(long)sizeof(uint16)*picres.xr*picres.yr, SEEK_CUR))
1300	+	goto seekerr;
1301	+	if (fseek(fin3,
1302	+	(long)sizeof(uint16)*2*picres.xr*picres.yr, SEEK_CUR))
1303	+	goto seekerr;
1304	+	}
1305	+	}
1306	+	return;
1307		}
1308	+	/* badopt: */ /* label not used */
1309	+	fprintf(stderr, "%s: botched file type\n", progname);
1310	+	quit(1);
1311	+	namerr:
1312	+	fprintf(stderr, "%s: non-interleaved file(s) must be named\n",
1313	+	progname);
1314	+	quit(1);
1315	+	seekerr:
1316	+	fprintf(stderr, "%s: cannot seek on interleaved input file\n",
1317	+	progname);
1318	+	quit(1);
1319		}

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