src/px/pfilt.c

/* Copyright (c) 1986 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 *  pfilt.c - program to post-process picture file.
 *
 *     9/26/85
 */

#include  <stdio.h>

#include  <signal.h>

#include  "color.h"

extern char  *malloc();
extern float  *matchlamp();

#define  FEQ(a,b)       ((a) >= .98*(b) && (a) <= 1.02*(b))

#define  CHECKRAD       1.5     /* radius to check for filtering */

COLOR  exposure = WHTCOLOR;     /* exposure for the frame */

double  rad = 0.0;              /* output pixel radius for filtering */

int  nrows = 0;                 /* number of rows for output */
int  ncols = 0;                 /* number of columns for output */

double  x_c = 1.0;              /* ratio of output x size to input */
double  y_r = 1.0;              /* ratio of output y size to input */

int  singlepass = 0;            /* true means skip first pass */

int  avghot = 0;                /* true means average in bright spots */

double  hotlvl = 1000.0;        /* level considered "hot" */

int  npts = 0;                  /* (half) number of points for stars */

double  spread = 1e-4;          /* spread for star points */

#define  TEMPLATE       "/usr/tmp/pfXXXXXX"

char  *tfname = NULL;

char  *lampdat = "lamp.tab";    /* lamp data file */

int  xres, yres;                /* resolution of input */
double  inpaspect = 1.0;        /* pixel aspect ratio of input */
int  correctaspect = 0;         /* aspect ratio correction? */

int  xrad;                      /* x window size */
int  yrad;                      /* y window size */

int  barsize;                   /* size of input scan bar */
COLOR  **scanin;                /* input scan bar */
COLOR  *scanout;                /* output scan line */

char  *progname;


main(argc, argv)
int  argc;
char  **argv;
{
        extern char  *mktemp();
        extern double  atof(), pow();
        extern long  ftell();
        extern int  quit(), headline();
        FILE  *fin;
        float  *lampcolor;
        char  *lamptype = NULL;
        long  fpos;
        double  outaspect = 0.0;
        double  d;
        int  i;

        if (signal(SIGINT, quit) == SIG_IGN)
                signal(SIGINT, SIG_IGN);
        if (signal(SIGHUP, quit) == SIG_IGN)
                signal(SIGINT, SIG_IGN);
        signal(SIGTERM, quit);
        signal(SIGPIPE, quit);
#ifdef  SIGXCPU
        signal(SIGXCPU, quit);
        signal(SIGXFSZ, quit);
#endif

        progname = argv[0];

        for (i = 1; i < argc; i++)
                if (argv[i][0] == '-')
                        switch (argv[i][1]) {
                        case 'x':
                                i++;
                                if (argv[i][0] == '/') {
                                        x_c = 1.0/atof(argv[i]+1);
                                        ncols = 0;
                                } else
                                        ncols = atoi(argv[i]);
                                break;
                        case 'y':
                                i++;
                                if (argv[i][0] == '/') {
                                        y_r = 1.0/atof(argv[i]+1);
                                        nrows = 0;
                                } else
                                        nrows = atoi(argv[i]);
                                break;
                        case 'c':
                                correctaspect = !correctaspect;
                                break;
                        case 'p':
                                i++;
                                outaspect = atof(argv[i]);
                                break;
                        case 'e':
                                if (argv[i+1][0] == '+' || argv[i+1][0] == '-')
                                        d = pow(2.0, atof(argv[i+1]));
                                else
                                        d = atof(argv[i+1]);
                                if (d < 1e-20 || d > 1e20) {
                                        fprintf(stderr,
                                                "%s: exposure out of range\n",
                                                        argv[0]);
                                        exit(1);
                                }
                                switch (argv[i][2]) {
                                case '\0':
                                        scalecolor(exposure, d);
                                        break;
                                case 'r':
                                        colval(exposure,RED) *= d;
                                        break;
                                case 'g':
                                        colval(exposure,GRN) *= d;
                                        break;
                                case 'b':
                                        colval(exposure,BLU) *= d;
                                        break;
                                default:
                                        goto badopt;
                                }
                                i++;
                                break;
                        case 'f':
                                lampdat = argv[++i];
                                break;
                        case 't':
                                lamptype = argv[++i];
                                break;
                        case '1':
                                singlepass = 1;
                                break;
                        case '2':
                                singlepass = 0;
                                break;
                        case 'n':
                                npts = atoi(argv[++i]) / 2;
                                break;
                        case 's':
                                spread = atof(argv[++i]);
                                break;
                        case 'a':
                                avghot = !avghot;
                                break;
                        case 'h':
                                hotlvl = atof(argv[++i]);
                                break;
                        case 'r':
                                rad = atof(argv[++i]);
                                break;
                        case 'b':
                                rad = 0.0;
                                break;
                        default:;
                        badopt:
                                fprintf(stderr, "%s: unknown option: %s\n",
                                                progname, argv[i]);
                                quit(1);
                                break;
                        }
                else
                        break;
                                        /* get lamp data (if necessary) */
        if (lamptype != NULL) {
                if (loadlamps(lampdat) < 0)
                        quit(1);
                if ((lampcolor = matchlamp(lamptype)) == NULL) {
                        fprintf(stderr, "%s: unknown lamp type\n", lamptype);
                        quit(1);
                }
                colval(exposure,RED) /= lampcolor[0];
                colval(exposure,GRN) /= lampcolor[1];
                colval(exposure,BLU) /= lampcolor[2];
                freelamps();
        }
                                        /* open input file */
        if (i == argc) {
                if (singlepass)
                        fin = stdin;
                else {
                        tfname = mktemp(TEMPLATE);
                        if ((fin = fopen(tfname, "w+")) == NULL) {
                                fprintf(stderr, "%s: can't create ", progname);
                                fprintf(stderr, "temp file \"%s\"\n", tfname);
                                quit(1);
                        }
                        copyfile(stdin, fin);
                        if (fseek(fin, 0L, 0) == -1) {
                                fprintf(stderr, "%s: seek fail\n", progname);
                                quit(1);
                        }
                }
        } else if (i == argc-1) {
                if ((fin = fopen(argv[i], "r")) == NULL) {
                        fprintf(stderr, "%s: can't open file \"%s\"\n",
                                                progname, argv[i]);
                        quit(1);
                }
        } else {
                fprintf(stderr, "%s: bad # file arguments\n", progname);
                quit(1);
        }
                                        /* get header */
        getheader(fin, headline);
                                        /* add new header info. */
        printargs(i, argv, stdout);
                                        /* get picture size */
        if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) {
                fprintf(stderr, "%s: bad picture size\n", progname);
                quit(1);
        }
                                        /* compute output resolution */
        if (ncols <= 0)
                ncols = x_c*xres + .5;
        if (nrows <= 0)
                nrows = y_r*yres + .5;
        if (outaspect > .01) {
                d = inpaspect * yres/xres / outaspect;
                if (d * ncols > nrows)
                        ncols = nrows / d;
                else
                        nrows = ncols * d;
        }
        x_c = (double)ncols/xres;
        y_r = (double)nrows/yres;

        if (singlepass) {               /* skip exposure, etc. */
                pass1default();
                pass2(fin);
                quit(0);
        }

        fpos = ftell(fin);              /* save input file position */
        
        pass1(fin);

        if (fseek(fin, fpos, 0) == -1) {
                fprintf(stderr, "%s: seek fail\n", progname);
                quit(1);
        }
        pass2(fin);

        quit(0);
}


headline(s)                             /* process line from header */
char  *s;
{
        fputs(s, stdout);               /* copy to output */
        if (isaspect(s))                /* get aspect ratio */
                inpaspect *= aspectval(s);
}


copyfile(in, out)                       /* copy a file */
register FILE  *in, *out;
{
        register int  c;

        while ((c = getc(in)) != EOF)
                putc(c, out);

        if (ferror(out)) {
                fprintf(stderr, "%s: write error in copyfile\n", progname);
                quit(1);
        }
}


pass1(in)                               /* first pass of picture file */
FILE  *in;
{
        int  i;
        COLOR  *scan;

        pass1init();

        scan = (COLOR *)malloc(xres*sizeof(COLOR));
        if (scan == NULL) {
                fprintf(stderr, "%s: out of memory\n", progname);
                quit(1);
        }
        for (i = 0; i < yres; i++) {
                if (freadscan(scan, xres, in) < 0) {
                        nrows = nrows * i / yres;       /* adjust frame */
                        if (nrows <= 0) {
                                fprintf(stderr, "%s: empty frame\n", progname);
                                quit(1);
                        }
                        fprintf(stderr, "%s: warning - partial frame (%d%%)\n",
                                        progname, 100*i/yres);
                        yres = i;
                        y_r = (double)nrows/yres;
                        break;
                }
                pass1scan(scan, i);
        }
        free((char *)scan);
}


pass2(in)                       /* last pass on file, write to stdout */
FILE  *in;
{
        int  yread;
        int  ycent, xcent;
        int  r, c;
        
        pass2init();
        scan2init();
        yread = 0;
        for (r = 0; r < nrows; r++) {
                ycent = (long)r*yres/nrows;
                while (yread <= ycent+yrad) {
                        if (yread < yres) {
                                if (freadscan(scanin[yread%barsize],
                                                xres, in) < 0) {
                                        fprintf(stderr,
                                                "%s: bad read (y=%d)\n",
                                                progname, yres-1-yread);
                                        quit(1);
                                }
                                pass2scan(scanin[yread%barsize], yread);
                        }
                        yread++;
                }
                for (c = 0; c < ncols; c++) {
                        xcent = (long)c*xres/ncols;
                        if (rad <= 0.0)
                                dobox(scanout[c], xcent, ycent, c, r);
                        else
                                dogauss(scanout[c], xcent, ycent, c, r);
                }
                if (fwritescan(scanout, ncols, stdout) < 0) {
                        fprintf(stderr, "%s: write error in pass2\n", progname);
                        quit(1);
                }
        }
                                        /* skip leftovers */
        while (yread < yres) {
                if (freadscan(scanin[0], xres, in) < 0)
                        break;
                yread++;
        }
}


scan2init()                     /* prepare scanline arrays */
{
        COLOR   ctmp;
        double  d;
        register int  i;

        if (rad <= 0.0) {
                xrad = xres/ncols/2 + 1;
                yrad = yres/nrows/2 + 1;
        } else {
                if (nrows >= yres && ncols >= xres)
                        rad *= (y_r + x_c)/2.0;

                xrad = CHECKRAD*rad/x_c + 1;
                yrad = CHECKRAD*rad/y_r + 1;

                initmask();             /* initialize filter table */
        }
        barsize = 2 * yrad;
        scanin = (COLOR **)malloc(barsize*sizeof(COLOR *));
        for (i = 0; i < barsize; i++) {
                scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR));
                if (scanin[i] == NULL) {
                        fprintf(stderr, "%s: out of memory\n", progname);
                        quit(1);
                }
        }
        scanout = (COLOR *)malloc(ncols*sizeof(COLOR));
        if (scanout == NULL) {
                fprintf(stderr, "%s: out of memory\n", progname);
                quit(1);
        }
                                        /* record pixel aspect ratio */
        if (!correctaspect) {
                d = x_c / y_r;
                if (!FEQ(d,1.0))
                        fputaspect(d, stdout);
        }
                                        /* record exposure */
        d = bright(exposure);
        if (!FEQ(d,1.0))
                fputexpos(d, stdout);
                                        /* record color correction */
        copycolor(ctmp, exposure);
        scalecolor(ctmp, 1.0/d);
        if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) ||
                        !FEQ(colval(ctmp,GRN),colval(ctmp,BLU)))
                fputcolcor(ctmp, stdout);
        printf("\n");
                                        /* write out resolution */
        fputresolu(YMAJOR|YDECR, ncols, nrows, stdout);
}


quit(code)              /* remove temporary file and exit */
int  code;
{
        if (tfname != NULL)
                unlink(tfname);
        exit(code);
}
Revision:	1.15
Committed:	Fri Dec 14 16:33:16 1990 UTC (33 years, 4 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+21 -4 lines
Log Message:	added use of COLORCORR header i/o
#	User	Rev	Content
1	greg	1.1	/* Copyright (c) 1986 Regents of the University of California */
2
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* pfilt.c - program to post-process picture file.
9			*
10			* 9/26/85
11			*/
12
13			#include <stdio.h>
14
15			#include <signal.h>
16
17			#include "color.h"
18
19			extern char *malloc();
20	greg	1.13	extern float *matchlamp();
21	greg	1.1
22	greg	1.15	#define FEQ(a,b) ((a) >= .98(b) && (a) <= 1.02(b))
23
24	greg	1.1	#define CHECKRAD 1.5 /* radius to check for filtering */
25
26			COLOR exposure = WHTCOLOR; /* exposure for the frame */
27
28			double rad = 0.0; /* output pixel radius for filtering */
29
30			int nrows = 0; /* number of rows for output */
31			int ncols = 0; /* number of columns for output */
32
33	greg	1.4	double x_c = 1.0; /* ratio of output x size to input */
34			double y_r = 1.0; /* ratio of output y size to input */
35	greg	1.2
36	greg	1.1	int singlepass = 0; /* true means skip first pass */
37
38			int avghot = 0; /* true means average in bright spots */
39
40			double hotlvl = 1000.0; /* level considered "hot" */
41
42			int npts = 0; /* (half) number of points for stars */
43
44			double spread = 1e-4; /* spread for star points */
45
46			#define TEMPLATE "/usr/tmp/pfXXXXXX"
47
48			char *tfname = NULL;
49
50	greg	1.13	char lampdat = "lamp.tab"; / lamp data file */
51
52	greg	1.1	int xres, yres; /* resolution of input */
53	greg	1.9	double inpaspect = 1.0; /* pixel aspect ratio of input */
54	greg	1.12	int correctaspect = 0; /* aspect ratio correction? */
55	greg	1.1
56			int xrad; /* x window size */
57			int yrad; /* y window size */
58
59			int barsize; /* size of input scan bar */
60			COLOR *scanin; / input scan bar */
61			COLOR scanout; / output scan line */
62
63			char *progname;
64
65
66			main(argc, argv)
67			int argc;
68			char **argv;
69			{
70			extern char *mktemp();
71			extern double atof(), pow();
72			extern long ftell();
73	greg	1.9	extern int quit(), headline();
74	greg	1.1	FILE *fin;
75	greg	1.13	float *lampcolor;
76			char *lamptype = NULL;
77	greg	1.1	long fpos;
78	greg	1.9	double outaspect = 0.0;
79	greg	1.1	double d;
80			int i;
81
82			if (signal(SIGINT, quit) == SIG_IGN)
83			signal(SIGINT, SIG_IGN);
84			if (signal(SIGHUP, quit) == SIG_IGN)
85			signal(SIGINT, SIG_IGN);
86			signal(SIGTERM, quit);
87			signal(SIGPIPE, quit);
88			#ifdef SIGXCPU
89			signal(SIGXCPU, quit);
90			signal(SIGXFSZ, quit);
91			#endif
92
93			progname = argv[0];
94
95			for (i = 1; i < argc; i++)
96			if (argv[i][0] == '-')
97			switch (argv[i][1]) {
98			case 'x':
99	greg	1.3	i++;
100	greg	1.5	if (argv[i][0] == '/') {
101	greg	1.4	x_c = 1.0/atof(argv[i]+1);
102	greg	1.5	ncols = 0;
103			} else
104	greg	1.3	ncols = atoi(argv[i]);
105	greg	1.1	break;
106			case 'y':
107	greg	1.3	i++;
108	greg	1.5	if (argv[i][0] == '/') {
109	greg	1.4	y_r = 1.0/atof(argv[i]+1);
110	greg	1.5	nrows = 0;
111			} else
112	greg	1.3	nrows = atoi(argv[i]);
113	greg	1.1	break;
114	greg	1.12	case 'c':
115			correctaspect = !correctaspect;
116			break;
117	greg	1.9	case 'p':
118			i++;
119			outaspect = atof(argv[i]);
120			break;
121	greg	1.1	case 'e':
122			if (argv[i+1][0] == '+' \|\| argv[i+1][0] == '-')
123			d = pow(2.0, atof(argv[i+1]));
124			else
125			d = atof(argv[i+1]);
126	greg	1.15	if (d < 1e-20 \|\| d > 1e20) {
127			fprintf(stderr,
128			"%s: exposure out of range\n",
129			argv[0]);
130			exit(1);
131			}
132	greg	1.1	switch (argv[i][2]) {
133			case '\0':
134			scalecolor(exposure, d);
135			break;
136			case 'r':
137			colval(exposure,RED) *= d;
138			break;
139			case 'g':
140			colval(exposure,GRN) *= d;
141			break;
142			case 'b':
143			colval(exposure,BLU) *= d;
144			break;
145			default:
146			goto badopt;
147			}
148			i++;
149			break;
150	greg	1.13	case 'f':
151			lampdat = argv[++i];
152			break;
153			case 't':
154			lamptype = argv[++i];
155			break;
156	greg	1.1	case '1':
157			singlepass = 1;
158			break;
159	greg	1.6	case '2':
160			singlepass = 0;
161			break;
162	greg	1.9	case 'n':
163	greg	1.1	npts = atoi(argv[++i]) / 2;
164			break;
165			case 's':
166			spread = atof(argv[++i]);
167			break;
168			case 'a':
169			avghot = !avghot;
170			break;
171			case 'h':
172			hotlvl = atof(argv[++i]);
173			break;
174			case 'r':
175			rad = atof(argv[++i]);
176			break;
177			case 'b':
178			rad = 0.0;
179			break;
180			default:;
181			badopt:
182			fprintf(stderr, "%s: unknown option: %s\n",
183			progname, argv[i]);
184			quit(1);
185			break;
186			}
187			else
188			break;
189	greg	1.14	/* get lamp data (if necessary) */
190			if (lamptype != NULL) {
191			if (loadlamps(lampdat) < 0)
192			quit(1);
193			if ((lampcolor = matchlamp(lamptype)) == NULL) {
194			fprintf(stderr, "%s: unknown lamp type\n", lamptype);
195			quit(1);
196			}
197			colval(exposure,RED) /= lampcolor[0];
198			colval(exposure,GRN) /= lampcolor[1];
199			colval(exposure,BLU) /= lampcolor[2];
200			freelamps();
201			}
202			/* open input file */
203	greg	1.1	if (i == argc) {
204			if (singlepass)
205			fin = stdin;
206			else {
207			tfname = mktemp(TEMPLATE);
208			if ((fin = fopen(tfname, "w+")) == NULL) {
209			fprintf(stderr, "%s: can't create ", progname);
210			fprintf(stderr, "temp file \"%s\"\n", tfname);
211			quit(1);
212			}
213			copyfile(stdin, fin);
214			if (fseek(fin, 0L, 0) == -1) {
215			fprintf(stderr, "%s: seek fail\n", progname);
216			quit(1);
217			}
218			}
219			} else if (i == argc-1) {
220			if ((fin = fopen(argv[i], "r")) == NULL) {
221			fprintf(stderr, "%s: can't open file \"%s\"\n",
222			progname, argv[i]);
223			quit(1);
224			}
225			} else {
226			fprintf(stderr, "%s: bad # file arguments\n", progname);
227			quit(1);
228			}
229	greg	1.9	/* get header */
230			getheader(fin, headline);
231	greg	1.1	/* add new header info. */
232			printargs(i, argv, stdout);
233			/* get picture size */
234	greg	1.7	if (fgetresolu(&xres, &yres, fin) != (YMAJOR\|YDECR)) {
235	greg	1.1	fprintf(stderr, "%s: bad picture size\n", progname);
236			quit(1);
237			}
238	greg	1.9	/* compute output resolution */
239			if (ncols <= 0)
240	greg	1.4	ncols = x_c*xres + .5;
241	greg	1.9	if (nrows <= 0)
242	greg	1.4	nrows = y_r*yres + .5;
243	greg	1.9	if (outaspect > .01) {
244			d = inpaspect * yres/xres / outaspect;
245			if (d * ncols > nrows)
246			ncols = nrows / d;
247			else
248			nrows = ncols * d;
249			}
250			x_c = (double)ncols/xres;
251			y_r = (double)nrows/yres;
252	greg	1.1
253	greg	1.9	if (singlepass) { /* skip exposure, etc. */
254	greg	1.1	pass1default();
255			pass2(fin);
256			quit(0);
257			}
258
259			fpos = ftell(fin); /* save input file position */
260
261			pass1(fin);
262
263			if (fseek(fin, fpos, 0) == -1) {
264			fprintf(stderr, "%s: seek fail\n", progname);
265			quit(1);
266			}
267			pass2(fin);
268
269			quit(0);
270			}
271
272
273	greg	1.9	headline(s) /* process line from header */
274			char *s;
275			{
276			fputs(s, stdout); /* copy to output */
277			if (isaspect(s)) /* get aspect ratio */
278			inpaspect *= aspectval(s);
279			}
280
281
282	greg	1.1	copyfile(in, out) /* copy a file */
283			register FILE in, out;
284			{
285			register int c;
286
287			while ((c = getc(in)) != EOF)
288			putc(c, out);
289
290			if (ferror(out)) {
291			fprintf(stderr, "%s: write error in copyfile\n", progname);
292			quit(1);
293			}
294			}
295
296
297			pass1(in) /* first pass of picture file */
298			FILE *in;
299			{
300			int i;
301			COLOR *scan;
302
303			pass1init();
304
305			scan = (COLOR )malloc(xressizeof(COLOR));
306			if (scan == NULL) {
307			fprintf(stderr, "%s: out of memory\n", progname);
308			quit(1);
309			}
310			for (i = 0; i < yres; i++) {
311			if (freadscan(scan, xres, in) < 0) {
312			nrows = nrows * i / yres; /* adjust frame */
313			if (nrows <= 0) {
314			fprintf(stderr, "%s: empty frame\n", progname);
315			quit(1);
316			}
317			fprintf(stderr, "%s: warning - partial frame (%d%%)\n",
318			progname, 100*i/yres);
319			yres = i;
320	greg	1.11	y_r = (double)nrows/yres;
321	greg	1.1	break;
322			}
323			pass1scan(scan, i);
324			}
325			free((char *)scan);
326			}
327
328
329			pass2(in) /* last pass on file, write to stdout */
330			FILE *in;
331			{
332			int yread;
333			int ycent, xcent;
334			int r, c;
335
336			pass2init();
337			scan2init();
338			yread = 0;
339			for (r = 0; r < nrows; r++) {
340			ycent = (long)r*yres/nrows;
341			while (yread <= ycent+yrad) {
342			if (yread < yres) {
343			if (freadscan(scanin[yread%barsize],
344			xres, in) < 0) {
345			fprintf(stderr,
346			"%s: bad read (y=%d)\n",
347			progname, yres-1-yread);
348			quit(1);
349			}
350			pass2scan(scanin[yread%barsize], yread);
351			}
352			yread++;
353			}
354			for (c = 0; c < ncols; c++) {
355			xcent = (long)c*xres/ncols;
356			if (rad <= 0.0)
357			dobox(scanout[c], xcent, ycent, c, r);
358			else
359			dogauss(scanout[c], xcent, ycent, c, r);
360			}
361			if (fwritescan(scanout, ncols, stdout) < 0) {
362			fprintf(stderr, "%s: write error in pass2\n", progname);
363			quit(1);
364			}
365			}
366	greg	1.10	/* skip leftovers */
367			while (yread < yres) {
368			if (freadscan(scanin[0], xres, in) < 0)
369			break;
370			yread++;
371			}
372	greg	1.1	}
373
374
375			scan2init() /* prepare scanline arrays */
376			{
377	greg	1.15	COLOR ctmp;
378	greg	1.9	double d;
379	greg	1.1	register int i;
380
381			if (rad <= 0.0) {
382			xrad = xres/ncols/2 + 1;
383			yrad = yres/nrows/2 + 1;
384			} else {
385			if (nrows >= yres && ncols >= xres)
386			rad *= (y_r + x_c)/2.0;
387
388			xrad = CHECKRAD*rad/x_c + 1;
389			yrad = CHECKRAD*rad/y_r + 1;
390
391			initmask(); /* initialize filter table */
392			}
393			barsize = 2 * yrad;
394			scanin = (COLOR *)malloc(barsizesizeof(COLOR *));
395			for (i = 0; i < barsize; i++) {
396			scanin[i] = (COLOR )malloc(xressizeof(COLOR));
397			if (scanin[i] == NULL) {
398			fprintf(stderr, "%s: out of memory\n", progname);
399			quit(1);
400			}
401			}
402			scanout = (COLOR )malloc(ncolssizeof(COLOR));
403			if (scanout == NULL) {
404			fprintf(stderr, "%s: out of memory\n", progname);
405			quit(1);
406			}
407	greg	1.15	/* record pixel aspect ratio */
408	greg	1.12	if (!correctaspect) {
409			d = x_c / y_r;
410	greg	1.15	if (!FEQ(d,1.0))
411	greg	1.12	fputaspect(d, stdout);
412			}
413	greg	1.15	/* record exposure */
414	greg	1.9	d = bright(exposure);
415	greg	1.15	if (!FEQ(d,1.0))
416	greg	1.9	fputexpos(d, stdout);
417	greg	1.15	/* record color correction */
418			copycolor(ctmp, exposure);
419			scalecolor(ctmp, 1.0/d);
420			if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) \|\|
421			!FEQ(colval(ctmp,GRN),colval(ctmp,BLU)))
422			fputcolcor(ctmp, stdout);
423	greg	1.1	printf("\n");
424	greg	1.15	/* write out resolution */
425			fputresolu(YMAJOR\|YDECR, ncols, nrows, stdout);
426	greg	1.1	}
427
428
429			quit(code) /* remove temporary file and exit */
430			int code;
431			{
432			if (tfname != NULL)
433			unlink(tfname);
434			exit(code);
435			}