src/px/normtiff.c

#ifndef lint
static const char       RCSid[] = "$Id: normtiff.c,v 3.12 2010/12/04 00:24:43 greg Exp $";
#endif
/*
 * Tone map SGILOG TIFF or Radiance picture and output 24-bit RGB TIFF
 */

#include <stdio.h>
#include <math.h>
#include <time.h>
#include <string.h>

#include "platform.h"
#include "tiffio.h"
#include "color.h"
#include "tonemap.h"
#include "tmaptiff.h"
#include "resolu.h"


TIFF    *tifout;                        /* TIFF output */
int     flags = TM_F_CAMERA;            /* tone-mapping flags */
RGBPRIMP        rgbp = stdprims;        /* display primaries */
RGBPRIMS        myprims;                /* overriding display primaries */
double  ldmax = 100.;                   /* maximum display luminance */
double  lddyn = 32.;                    /* display dynamic range */
double  gamv = 2.2;                     /* display gamma value */

short   ortab[8] = {            /* orientation conversion table */
        YMAJOR|YDECR,
        YMAJOR|YDECR|XDECR,
        YMAJOR|XDECR,
        YMAJOR,
        YDECR,
        XDECR|YDECR,
        XDECR,
        0
};

typedef struct {
        FILE    *fp;            /* file pointer */
        char    fmt[32];        /* picture format */
        double  pa;             /* pixel aspect ratio */
        RESOLU  rs;             /* picture resolution */
} PICTURE;

uint16  comp = COMPRESSION_NONE;        /* TIFF compression mode */

#define closepicture(p)         (fclose((p)->fp),free((void *)(p)))

static gethfunc headline;

static int headline(char *s, void *pp);
static PICTURE *openpicture(char *fname);
static int tmap_picture(char *fname, PICTURE *pp);
static int tmap_tiff(char *fname, TIFF *tp);
static int putimage(uint16 or, uint32 xs, uint32 ys, float xr, float yr,
        uint16 ru, uby8 *pd);


int
main(
        int     argc,
        char    *argv[]
)
{
        PICTURE *pin = NULL;
        TIFF    *tin = NULL;
        int     i, rval;

        for (i = 1; i < argc && argv[i][0] == '-'; i++)
                switch (argv[i][1]) {
                case 'h':                       /* human observer settings */
                        flags = TM_F_HUMAN;
                        break;
                case 's':                       /* toggle human contrast */
                        flags ^= TM_F_HCONTR;
                        break;
                case 'c':                       /* toggle mesopic sens. */
                        flags ^= TM_F_MESOPIC;
                        break;
                case 'l':                       /* toggle linear mapping */
                        flags ^= TM_F_LINEAR;
                        break;
                case 'b':                       /* toggle greyscale output */
                        flags ^= TM_F_BW;
                        break;
                case 'g':                       /* set display gamma */
                        if (argc-i < 2) goto userr;
                        gamv = atof(argv[++i]);
                        break;
                case 'u':                       /* set display maximum */
                        if (argc-i < 2) goto userr;
                        ldmax = atof(argv[++i]);
                        break;
                case 'd':                       /* set display dynamic range */
                        if (argc-i < 2) goto userr;
                        lddyn = atof(argv[++i]);
                        break;
                case 'z':                       /* LZW compression */
                        comp = COMPRESSION_LZW;
                        break;
                case 'p':                       /* set display primaries */
                        if (argc-i < 9) goto userr;
                        myprims[RED][CIEX] = atof(argv[++i]);
                        myprims[RED][CIEY] = atof(argv[++i]);
                        myprims[GRN][CIEX] = atof(argv[++i]);
                        myprims[GRN][CIEY] = atof(argv[++i]);
                        myprims[BLU][CIEX] = atof(argv[++i]);
                        myprims[BLU][CIEY] = atof(argv[++i]);
                        myprims[WHT][CIEX] = atof(argv[++i]);
                        myprims[WHT][CIEY] = atof(argv[++i]);
                        rgbp = myprims;
                        break;
                default:
                        goto userr;
                }
        if (argc-i < 2) goto userr;
        if ((pin = openpicture(argv[i])) == NULL &&
                        (tin = TIFFOpen(argv[i], "r")) == NULL) {
                fprintf(stderr, "%s: cannot open or interpret file \"%s\"\n",
                                argv[0], argv[i]);
                exit(1);
        }
        if ((tifout = TIFFOpen(argv[i+1], "w")) == NULL) {
                fprintf(stderr, "%s: cannot open output TIFF \"%s\"\n",
                                argv[0], argv[i+1]);
                exit(1);
        }
        if (pin != NULL) {
                rval = tmap_picture(argv[i], pin);
                closepicture(pin);
        } else {
                rval = tmap_tiff(argv[i], tin);
                TIFFClose(tin);
        }
        TIFFClose(tifout);
        exit(rval==0 ? 0 : 1);
userr:
        fprintf(stderr,
"Usage: %s [-h][-s][-c][-l][-b][-g gv][-d ld][-u lm][-z][-p xr yr xg yg xb yb xw yw] input.{tif|hdr} output.tif\n",
                        argv[0]);
        exit(1);
}


static int
headline(                               /* process line from header */
        char    *s,
        void *pp
)
{
        register char   *cp;

        for (cp = s; *cp; cp++)
                if (*cp & 0x80)
                        return(-1);     /* non-ascii in header */
        if (isaspect(s))
                ((PICTURE *)pp)->pa *= aspectval(s);
        else
                formatval(((PICTURE *)pp)->fmt, s);
        return(0);
}


static PICTURE *
openpicture(                    /* open/check Radiance picture file */
        char    *fname
)
{
        FILE    *fp;
        register PICTURE        *pp;
        register char   *cp;
                                        /* check filename suffix */
        if (fname == NULL) return(NULL);
        for (cp = fname; *cp; cp++)
                ;
        while (cp > fname && cp[-1] != '.')
                if (*--cp == '/') {
                        cp = fname;
                        break;
                }
        if (cp > fname && !strncmp(cp, "tif", 3))
                return(NULL);           /* assume it's a TIFF */
                                        /* else try opening it */
        if ((fp = fopen(fname, "r")) == NULL)
                return(NULL);
        SET_FILE_BINARY(fp);
                                        /* allocate struct */
        if ((pp = (PICTURE *)malloc(sizeof(PICTURE))) == NULL)
                return(NULL);           /* serious error -- should exit? */
        pp->fp = fp; pp->fmt[0] = '\0'; pp->pa = 1.;
                                        /* load header */
        if (getheader(fp, headline, pp) < 0) {
                closepicture(pp);
                return(NULL);
        }
        if (!pp->fmt[0])                /* assume RGBE if unspecified */
                strcpy(pp->fmt, COLRFMT);
        if (!globmatch(PICFMT, pp->fmt) || !fgetsresolu(&pp->rs, fp)) {
                closepicture(pp);       /* failed test -- close file */
                return(NULL);
        }
        rewind(fp);                     /* passed test -- rewind file */
        return(pp);
}


static int
tmap_picture(                   /* tone map Radiance picture */
        char    *fname,
        register PICTURE        *pp
)
{
        uint16  orient;
        double  paspect = (pp->rs.rt & YMAJOR) ? pp->pa : 1./pp->pa;
        int     xsiz, ysiz;
        uby8    *pix;
                                        /* read and tone map picture */
        if (tmMapPicture(&pix, &xsiz, &ysiz, flags,
                        rgbp, gamv, lddyn, ldmax, fname, pp->fp) != TM_E_OK)
                return(-1);
                                        /* figure out TIFF orientation */
        for (orient = 8; --orient; )
                if (ortab[orient] == pp->rs.rt)
                        break;
        orient++;
                                        /* put out our image */
        if (putimage(orient, (uint32)xsiz, (uint32)ysiz,
                        72., 72./paspect, 2, pix) != 0)
                return(-1);
                                        /* free data and we're done */
        free((void *)pix);
        return(0);
}


static int
tmap_tiff(                      /* tone map SGILOG TIFF */
        char    *fname,
        TIFF    *tp
)
{
        float   xres, yres;
        uint16  orient, resunit, phot;
        int     xsiz, ysiz;
        uby8    *pix;
                                        /* check to make sure it's SGILOG */
        TIFFGetFieldDefaulted(tp, TIFFTAG_PHOTOMETRIC, &phot);
        if ((phot == PHOTOMETRIC_LOGL) | (phot == PHOTOMETRIC_MINISBLACK))
                flags |= TM_F_BW;
                                        /* read and tone map TIFF */
        if (tmMapTIFF(&pix, &xsiz, &ysiz, flags,
                        rgbp, gamv, lddyn, ldmax, fname, tp) != TM_E_OK)
                return(-1);
                                        /* get relevant tags */
        TIFFGetFieldDefaulted(tp, TIFFTAG_RESOLUTIONUNIT, &resunit);
        TIFFGetFieldDefaulted(tp, TIFFTAG_XRESOLUTION, &xres);
        TIFFGetFieldDefaulted(tp, TIFFTAG_YRESOLUTION, &yres);
        TIFFGetFieldDefaulted(tp, TIFFTAG_ORIENTATION, &orient);
                                        /* put out our image */
        if (putimage(orient, (uint32)xsiz, (uint32)ysiz,
                        xres, yres, resunit, pix) != 0)
                return(-1);
                                        /* free data and we're done */
        free((void *)pix);
        return(0);
}


static int
putimage(       /* write out our image */
        uint16  or,
        uint32  xs,
        uint32  ys,
        float   xr,
        float   yr,
        uint16  ru,
        uby8    *pd
)
{
        register int    y;
        uint32  rowsperstrip;

        TIFFSetField(tifout, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
        if (flags & TM_F_BW) {
                TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC,
                                PHOTOMETRIC_MINISBLACK);
                TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 1);
        } else {
                TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
                TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 3);
        }
        if (rgbp != stdprims) {
                TIFFSetField(tifout, TIFFTAG_PRIMARYCHROMATICITIES,
                                (float *)rgbp);
                TIFFSetField(tifout, TIFFTAG_WHITEPOINT, (float *)rgbp[WHT]);
        }
        TIFFSetField(tifout, TIFFTAG_BITSPERSAMPLE, 8);
        TIFFSetField(tifout, TIFFTAG_IMAGEWIDTH, xs);
        TIFFSetField(tifout, TIFFTAG_IMAGELENGTH, ys);
        TIFFSetField(tifout, TIFFTAG_RESOLUTIONUNIT, ru);
        TIFFSetField(tifout, TIFFTAG_COMPRESSION, comp);
        TIFFSetField(tifout, TIFFTAG_XRESOLUTION, xr);
        TIFFSetField(tifout, TIFFTAG_YRESOLUTION, yr);
        TIFFSetField(tifout, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
        TIFFSetField(tifout, TIFFTAG_ORIENTATION, or);
                                        /* compute good strip size */
        rowsperstrip = 8192/TIFFScanlineSize(tifout);
        if (rowsperstrip < 1) rowsperstrip = 1;
        TIFFSetField(tifout, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
                                        /* write out scanlines */
        if (flags & TM_F_BW) {
                for (y = 0; y < ys; y++)
                        if (TIFFWriteScanline(tifout, pd + y*xs, y, 0) < 0)
                                goto writerr;
        } else {
                for (y = 0; y < ys; y++)
                        if (TIFFWriteScanline(tifout, pd + y*3*xs, y, 0) < 0)
                                goto writerr;
        }
        return(0);                      /* all done! */
writerr:
        fputs("Error writing TIFF output\n", stderr);
        return(-1);
}
Revision:	3.13
Committed:	Fri May 20 02:06:39 2011 UTC (12 years, 11 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad4R2P2, rad5R0, rad5R1, rad4R2, rad4R1, rad4R2P1
Changes since 3.12:	+5 -5 lines
Log Message:	Changed every instance of BYTE to uby8 to avoid conflicts
#	User	Rev	Content
1	gwlarson	3.1	#ifndef lint
2	greg	3.13	static const char RCSid[] = "$Id: normtiff.c,v 3.12 2010/12/04 00:24:43 greg Exp $";
3	gwlarson	3.1	#endif
4			/*
5			* Tone map SGILOG TIFF or Radiance picture and output 24-bit RGB TIFF
6			*/
7
8			#include <stdio.h>
9			#include <math.h>
10	greg	3.4	#include <time.h>
11	schorsch	3.7	#include <string.h>
12
13	greg	3.12	#include "platform.h"
14	gwlarson	3.1	#include "tiffio.h"
15			#include "color.h"
16			#include "tonemap.h"
17	schorsch	3.8	#include "tmaptiff.h"
18	gwlarson	3.1	#include "resolu.h"
19
20
21			TIFF tifout; / TIFF output */
22			int flags = TM_F_CAMERA; /* tone-mapping flags */
23			RGBPRIMP rgbp = stdprims; /* display primaries */
24			RGBPRIMS myprims; /* overriding display primaries */
25			double ldmax = 100.; /* maximum display luminance */
26			double lddyn = 32.; /* display dynamic range */
27			double gamv = 2.2; /* display gamma value */
28
29			short ortab[8] = { /* orientation conversion table */
30			YMAJOR\|YDECR,
31			YMAJOR\|YDECR\|XDECR,
32			YMAJOR\|XDECR,
33			YMAJOR,
34			YDECR,
35			XDECR\|YDECR,
36			XDECR,
37			0
38			};
39
40	gwlarson	3.3	typedef struct {
41			FILE fp; / file pointer */
42			char fmt[32]; /* picture format */
43			double pa; /* pixel aspect ratio */
44			RESOLU rs; /* picture resolution */
45			} PICTURE;
46	gwlarson	3.1
47	greg	3.9	uint16 comp = COMPRESSION_NONE; /* TIFF compression mode */
48	gwlarson	3.1
49	greg	3.4	#define closepicture(p) (fclose((p)->fp),free((void *)(p)))
50	gwlarson	3.3
51	schorsch	3.7	static gethfunc headline;
52
53	greg	3.9	static int headline(char s, void pp);
54			static PICTURE openpicture(char fname);
55			static int tmap_picture(char fname, PICTURE pp);
56			static int tmap_tiff(char fname, TIFF tp);
57			static int putimage(uint16 or, uint32 xs, uint32 ys, float xr, float yr,
58	greg	3.13	uint16 ru, uby8 *pd);
59	schorsch	3.8
60	gwlarson	3.3
61	schorsch	3.7	int
62			main(
63			int argc,
64			char *argv[]
65			)
66	gwlarson	3.1	{
67	gwlarson	3.3	PICTURE *pin = NULL;
68	gwlarson	3.1	TIFF *tin = NULL;
69	gwlarson	3.2	int i, rval;
70	gwlarson	3.1
71			for (i = 1; i < argc && argv[i][0] == '-'; i++)
72			switch (argv[i][1]) {
73			case 'h': /* human observer settings */
74			flags = TM_F_HUMAN;
75			break;
76			case 's': /* toggle human contrast */
77			flags ^= TM_F_HCONTR;
78			break;
79			case 'c': /* toggle mesopic sens. */
80			flags ^= TM_F_MESOPIC;
81			break;
82			case 'l': /* toggle linear mapping */
83			flags ^= TM_F_LINEAR;
84			break;
85			case 'b': /* toggle greyscale output */
86			flags ^= TM_F_BW;
87			break;
88			case 'g': /* set display gamma */
89			if (argc-i < 2) goto userr;
90			gamv = atof(argv[++i]);
91			break;
92			case 'u': /* set display maximum */
93			if (argc-i < 2) goto userr;
94			ldmax = atof(argv[++i]);
95			break;
96			case 'd': /* set display dynamic range */
97			if (argc-i < 2) goto userr;
98			lddyn = atof(argv[++i]);
99			break;
100	greg	3.9	case 'z': /* LZW compression */
101			comp = COMPRESSION_LZW;
102			break;
103	gwlarson	3.1	case 'p': /* set display primaries */
104			if (argc-i < 9) goto userr;
105			myprims[RED][CIEX] = atof(argv[++i]);
106			myprims[RED][CIEY] = atof(argv[++i]);
107			myprims[GRN][CIEX] = atof(argv[++i]);
108			myprims[GRN][CIEY] = atof(argv[++i]);
109			myprims[BLU][CIEX] = atof(argv[++i]);
110			myprims[BLU][CIEY] = atof(argv[++i]);
111			myprims[WHT][CIEX] = atof(argv[++i]);
112			myprims[WHT][CIEY] = atof(argv[++i]);
113			rgbp = myprims;
114			break;
115			default:
116			goto userr;
117			}
118			if (argc-i < 2) goto userr;
119	gwlarson	3.3	if ((pin = openpicture(argv[i])) == NULL &&
120	gwlarson	3.1	(tin = TIFFOpen(argv[i], "r")) == NULL) {
121			fprintf(stderr, "%s: cannot open or interpret file \"%s\"\n",
122			argv[0], argv[i]);
123			exit(1);
124			}
125			if ((tifout = TIFFOpen(argv[i+1], "w")) == NULL) {
126			fprintf(stderr, "%s: cannot open output TIFF \"%s\"\n",
127			argv[0], argv[i+1]);
128			exit(1);
129			}
130	gwlarson	3.3	if (pin != NULL) {
131			rval = tmap_picture(argv[i], pin);
132			closepicture(pin);
133	gwlarson	3.1	} else {
134	gwlarson	3.2	rval = tmap_tiff(argv[i], tin);
135	gwlarson	3.1	TIFFClose(tin);
136			}
137			TIFFClose(tifout);
138	gwlarson	3.2	exit(rval==0 ? 0 : 1);
139	gwlarson	3.1	userr:
140			fprintf(stderr,
141	greg	3.11	"Usage: %s [-h][-s][-c][-l][-b][-g gv][-d ld][-u lm][-z][-p xr yr xg yg xb yb xw yw] input.{tif\|hdr} output.tif\n",
142	gwlarson	3.1	argv[0]);
143			exit(1);
144			}
145
146
147	schorsch	3.7	static int
148			headline( /* process line from header */
149			char *s,
150			void *pp
151			)
152	gwlarson	3.3	{
153			register char *cp;
154
155			for (cp = s; *cp; cp++)
156			if (*cp & 0x80)
157			return(-1); /* non-ascii in header */
158			if (isaspect(s))
159	schorsch	3.7	((PICTURE )pp)->pa = aspectval(s);
160	gwlarson	3.3	else
161	schorsch	3.7	formatval(((PICTURE *)pp)->fmt, s);
162	gwlarson	3.3	return(0);
163			}
164
165
166	schorsch	3.8	static PICTURE *
167			openpicture( /* open/check Radiance picture file */
168			char *fname
169			)
170	gwlarson	3.1	{
171			FILE *fp;
172	gwlarson	3.3	register PICTURE *pp;
173	gwlarson	3.1	register char *cp;
174			/* check filename suffix */
175			if (fname == NULL) return(NULL);
176			for (cp = fname; *cp; cp++)
177			;
178			while (cp > fname && cp[-1] != '.')
179			if (*--cp == '/') {
180			cp = fname;
181			break;
182			}
183			if (cp > fname && !strncmp(cp, "tif", 3))
184			return(NULL); /* assume it's a TIFF */
185			/* else try opening it */
186			if ((fp = fopen(fname, "r")) == NULL)
187			return(NULL);
188	greg	3.12	SET_FILE_BINARY(fp);
189	gwlarson	3.3	/* allocate struct */
190			if ((pp = (PICTURE *)malloc(sizeof(PICTURE))) == NULL)
191			return(NULL); /* serious error -- should exit? */
192			pp->fp = fp; pp->fmt[0] = '\0'; pp->pa = 1.;
193			/* load header */
194	schorsch	3.7	if (getheader(fp, headline, pp) < 0) {
195	gwlarson	3.3	closepicture(pp);
196	gwlarson	3.1	return(NULL);
197			}
198	gwlarson	3.3	if (!pp->fmt[0]) /* assume RGBE if unspecified */
199			strcpy(pp->fmt, COLRFMT);
200			if (!globmatch(PICFMT, pp->fmt) \|\| !fgetsresolu(&pp->rs, fp)) {
201			closepicture(pp); /* failed test -- close file */
202			return(NULL);
203			}
204	gwlarson	3.1	rewind(fp); /* passed test -- rewind file */
205	gwlarson	3.3	return(pp);
206	gwlarson	3.1	}
207
208
209	schorsch	3.8	static int
210			tmap_picture( /* tone map Radiance picture */
211			char *fname,
212			register PICTURE *pp
213			)
214	gwlarson	3.1	{
215			uint16 orient;
216	greg	3.10	double paspect = (pp->rs.rt & YMAJOR) ? pp->pa : 1./pp->pa;
217	gwlarson	3.1	int xsiz, ysiz;
218	greg	3.13	uby8 *pix;
219	gwlarson	3.1	/* read and tone map picture */
220			if (tmMapPicture(&pix, &xsiz, &ysiz, flags,
221	gwlarson	3.3	rgbp, gamv, lddyn, ldmax, fname, pp->fp) != TM_E_OK)
222	gwlarson	3.2	return(-1);
223	gwlarson	3.3	/* figure out TIFF orientation */
224			for (orient = 8; --orient; )
225	greg	3.4	if (ortab[orient] == pp->rs.rt)
226	gwlarson	3.3	break;
227	gwlarson	3.1	orient++;
228			/* put out our image */
229	gwlarson	3.2	if (putimage(orient, (uint32)xsiz, (uint32)ysiz,
230	greg	3.10	72., 72./paspect, 2, pix) != 0)
231	gwlarson	3.2	return(-1);
232	gwlarson	3.1	/* free data and we're done */
233	greg	3.4	free((void *)pix);
234	gwlarson	3.2	return(0);
235	gwlarson	3.1	}
236
237
238	schorsch	3.8	static int
239			tmap_tiff( /* tone map SGILOG TIFF */
240			char *fname,
241			TIFF *tp
242			)
243	gwlarson	3.1	{
244			float xres, yres;
245			uint16 orient, resunit, phot;
246			int xsiz, ysiz;
247	greg	3.13	uby8 *pix;
248	gwlarson	3.1	/* check to make sure it's SGILOG */
249			TIFFGetFieldDefaulted(tp, TIFFTAG_PHOTOMETRIC, &phot);
250	schorsch	3.6	if ((phot == PHOTOMETRIC_LOGL) \| (phot == PHOTOMETRIC_MINISBLACK))
251	gwlarson	3.1	flags \|= TM_F_BW;
252			/* read and tone map TIFF */
253			if (tmMapTIFF(&pix, &xsiz, &ysiz, flags,
254			rgbp, gamv, lddyn, ldmax, fname, tp) != TM_E_OK)
255	gwlarson	3.2	return(-1);
256	gwlarson	3.1	/* get relevant tags */
257			TIFFGetFieldDefaulted(tp, TIFFTAG_RESOLUTIONUNIT, &resunit);
258			TIFFGetFieldDefaulted(tp, TIFFTAG_XRESOLUTION, &xres);
259			TIFFGetFieldDefaulted(tp, TIFFTAG_YRESOLUTION, &yres);
260			TIFFGetFieldDefaulted(tp, TIFFTAG_ORIENTATION, &orient);
261			/* put out our image */
262	gwlarson	3.2	if (putimage(orient, (uint32)xsiz, (uint32)ysiz,
263			xres, yres, resunit, pix) != 0)
264			return(-1);
265	gwlarson	3.1	/* free data and we're done */
266	greg	3.4	free((void *)pix);
267	gwlarson	3.2	return(0);
268	gwlarson	3.1	}
269
270
271	schorsch	3.8	static int
272			putimage( /* write out our image */
273			uint16 or,
274			uint32 xs,
275			uint32 ys,
276			float xr,
277			float yr,
278	greg	3.9	uint16 ru,
279	greg	3.13	uby8 *pd
280	schorsch	3.8	)
281	gwlarson	3.1	{
282			register int y;
283			uint32 rowsperstrip;
284
285			TIFFSetField(tifout, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
286			if (flags & TM_F_BW) {
287			TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC,
288			PHOTOMETRIC_MINISBLACK);
289			TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 1);
290			} else {
291			TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
292			TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 3);
293			}
294			if (rgbp != stdprims) {
295			TIFFSetField(tifout, TIFFTAG_PRIMARYCHROMATICITIES,
296			(float *)rgbp);
297			TIFFSetField(tifout, TIFFTAG_WHITEPOINT, (float *)rgbp[WHT]);
298			}
299			TIFFSetField(tifout, TIFFTAG_BITSPERSAMPLE, 8);
300			TIFFSetField(tifout, TIFFTAG_IMAGEWIDTH, xs);
301			TIFFSetField(tifout, TIFFTAG_IMAGELENGTH, ys);
302			TIFFSetField(tifout, TIFFTAG_RESOLUTIONUNIT, ru);
303	greg	3.9	TIFFSetField(tifout, TIFFTAG_COMPRESSION, comp);
304	gwlarson	3.1	TIFFSetField(tifout, TIFFTAG_XRESOLUTION, xr);
305			TIFFSetField(tifout, TIFFTAG_YRESOLUTION, yr);
306			TIFFSetField(tifout, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
307			TIFFSetField(tifout, TIFFTAG_ORIENTATION, or);
308			/* compute good strip size */
309			rowsperstrip = 8192/TIFFScanlineSize(tifout);
310			if (rowsperstrip < 1) rowsperstrip = 1;
311			TIFFSetField(tifout, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
312			/* write out scanlines */
313			if (flags & TM_F_BW) {
314			for (y = 0; y < ys; y++)
315			if (TIFFWriteScanline(tifout, pd + y*xs, y, 0) < 0)
316			goto writerr;
317			} else {
318			for (y = 0; y < ys; y++)
319			if (TIFFWriteScanline(tifout, pd + y3xs, y, 0) < 0)
320			goto writerr;
321			}
322	gwlarson	3.2	return(0); /* all done! */
323	gwlarson	3.1	writerr:
324			fputs("Error writing TIFF output\n", stderr);
325	gwlarson	3.2	return(-1);
326	gwlarson	3.1	}