1 |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
|
3 |
#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ SGI"; |
5 |
#endif |
6 |
|
7 |
/* |
8 |
* Tone map SGILOG TIFF or Radiance picture and output 24-bit RGB TIFF |
9 |
*/ |
10 |
|
11 |
#undef NOPROTO |
12 |
#define NOPROTO 1 |
13 |
|
14 |
#include <stdio.h> |
15 |
#include <math.h> |
16 |
#include "tiffio.h" |
17 |
#include "color.h" |
18 |
#include "tonemap.h" |
19 |
#include "resolu.h" |
20 |
|
21 |
|
22 |
TIFF *tifout; /* TIFF output */ |
23 |
int flags = TM_F_CAMERA; /* tone-mapping flags */ |
24 |
RGBPRIMP rgbp = stdprims; /* display primaries */ |
25 |
RGBPRIMS myprims; /* overriding display primaries */ |
26 |
double ldmax = 100.; /* maximum display luminance */ |
27 |
double lddyn = 32.; /* display dynamic range */ |
28 |
double gamv = 2.2; /* display gamma value */ |
29 |
|
30 |
short ortab[8] = { /* orientation conversion table */ |
31 |
YMAJOR|YDECR, |
32 |
YMAJOR|YDECR|XDECR, |
33 |
YMAJOR|XDECR, |
34 |
YMAJOR, |
35 |
YDECR, |
36 |
XDECR|YDECR, |
37 |
XDECR, |
38 |
0 |
39 |
}; |
40 |
|
41 |
extern FILE *openpicture(); |
42 |
|
43 |
|
44 |
main(argc, argv) |
45 |
int argc; |
46 |
char *argv[]; |
47 |
{ |
48 |
FILE *fin = NULL; |
49 |
TIFF *tin = NULL; |
50 |
int i; |
51 |
|
52 |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
53 |
switch (argv[i][1]) { |
54 |
case 'h': /* human observer settings */ |
55 |
flags = TM_F_HUMAN; |
56 |
break; |
57 |
case 's': /* toggle human contrast */ |
58 |
flags ^= TM_F_HCONTR; |
59 |
break; |
60 |
case 'c': /* toggle mesopic sens. */ |
61 |
flags ^= TM_F_MESOPIC; |
62 |
break; |
63 |
case 'l': /* toggle linear mapping */ |
64 |
flags ^= TM_F_LINEAR; |
65 |
break; |
66 |
case 'b': /* toggle greyscale output */ |
67 |
flags ^= TM_F_BW; |
68 |
break; |
69 |
case 'g': /* set display gamma */ |
70 |
if (argc-i < 2) goto userr; |
71 |
gamv = atof(argv[++i]); |
72 |
break; |
73 |
case 'u': /* set display maximum */ |
74 |
if (argc-i < 2) goto userr; |
75 |
ldmax = atof(argv[++i]); |
76 |
break; |
77 |
case 'd': /* set display dynamic range */ |
78 |
if (argc-i < 2) goto userr; |
79 |
lddyn = atof(argv[++i]); |
80 |
break; |
81 |
case 'p': /* set display primaries */ |
82 |
if (argc-i < 9) goto userr; |
83 |
myprims[RED][CIEX] = atof(argv[++i]); |
84 |
myprims[RED][CIEY] = atof(argv[++i]); |
85 |
myprims[GRN][CIEX] = atof(argv[++i]); |
86 |
myprims[GRN][CIEY] = atof(argv[++i]); |
87 |
myprims[BLU][CIEX] = atof(argv[++i]); |
88 |
myprims[BLU][CIEY] = atof(argv[++i]); |
89 |
myprims[WHT][CIEX] = atof(argv[++i]); |
90 |
myprims[WHT][CIEY] = atof(argv[++i]); |
91 |
rgbp = myprims; |
92 |
break; |
93 |
default: |
94 |
goto userr; |
95 |
} |
96 |
if (argc-i < 2) goto userr; |
97 |
if ((fin = openpicture(argv[i])) == NULL && |
98 |
(tin = TIFFOpen(argv[i], "r")) == NULL) { |
99 |
fprintf(stderr, "%s: cannot open or interpret file \"%s\"\n", |
100 |
argv[0], argv[i]); |
101 |
exit(1); |
102 |
} |
103 |
if ((tifout = TIFFOpen(argv[i+1], "w")) == NULL) { |
104 |
fprintf(stderr, "%s: cannot open output TIFF \"%s\"\n", |
105 |
argv[0], argv[i+1]); |
106 |
exit(1); |
107 |
} |
108 |
if (fin != NULL) { |
109 |
tmap_picture(argv[i], fin); |
110 |
fclose(fin); |
111 |
} else { |
112 |
tmap_tiff(argv[i], tin); |
113 |
TIFFClose(tin); |
114 |
} |
115 |
TIFFClose(tifout); |
116 |
exit(0); |
117 |
userr: |
118 |
fprintf(stderr, |
119 |
"Usage: %s [-h][-s][-c][-l][-b][-g gv][-d ld][-u lm][-p xr yr xg yg xb yb xw yw] input.{tif|pic} output.tif\n", |
120 |
argv[0]); |
121 |
exit(1); |
122 |
} |
123 |
|
124 |
|
125 |
FILE * |
126 |
openpicture(fname) /* open/check Radiance picture file */ |
127 |
char *fname; |
128 |
{ |
129 |
FILE *fp; |
130 |
char inpfmt[32]; |
131 |
int xsiz, ysiz; |
132 |
register char *cp; |
133 |
/* check filename suffix */ |
134 |
if (fname == NULL) return(NULL); |
135 |
for (cp = fname; *cp; cp++) |
136 |
; |
137 |
while (cp > fname && cp[-1] != '.') |
138 |
if (*--cp == '/') { |
139 |
cp = fname; |
140 |
break; |
141 |
} |
142 |
if (cp > fname && !strncmp(cp, "tif", 3)) |
143 |
return(NULL); /* assume it's a TIFF */ |
144 |
/* else try opening it */ |
145 |
if ((fp = fopen(fname, "r")) == NULL) |
146 |
return(NULL); |
147 |
/* check format */ |
148 |
strcpy(inpfmt, PICFMT); |
149 |
if (checkheader(fp, inpfmt, NULL) < 0 || |
150 |
fgetresolu(&xsiz, &ysiz, fp) < 0) { |
151 |
fclose(fp); /* failed test -- close file */ |
152 |
return(NULL); |
153 |
} |
154 |
rewind(fp); /* passed test -- rewind file */ |
155 |
return(fp); |
156 |
} |
157 |
|
158 |
|
159 |
getpixrat(s, pr) /* get pixel aspect ratio */ |
160 |
char *s; |
161 |
double *pr; |
162 |
{ |
163 |
if (isaspect(s)) |
164 |
*pr *= aspectval(s); |
165 |
} |
166 |
|
167 |
|
168 |
tmap_picture(fname, fp) /* tone map Radiance picture */ |
169 |
char *fname; |
170 |
FILE *fp; |
171 |
{ |
172 |
double pixrat; |
173 |
int ord; |
174 |
uint16 orient; |
175 |
int xsiz, ysiz; |
176 |
BYTE *pix; |
177 |
/* read and tone map picture */ |
178 |
if (tmMapPicture(&pix, &xsiz, &ysiz, flags, |
179 |
rgbp, gamv, lddyn, ldmax, fname, fp) != TM_E_OK) |
180 |
exit(1); |
181 |
/* get relevant header info. */ |
182 |
rewind(fp); |
183 |
pixrat = 1.; |
184 |
getheader(fp, getpixrat, &pixrat); |
185 |
if ((ord = fgetresolu(&xsiz, &ysiz, fp)) < 0) |
186 |
orient = 0; |
187 |
else |
188 |
for (orient = 8; --orient; ) |
189 |
if (ortab[orient] == ord) |
190 |
break; |
191 |
orient++; |
192 |
/* put out our image */ |
193 |
putimage(orient, (uint32)xsiz, (uint32)ysiz, 72., 72./pixrat, 2, pix); |
194 |
/* free data and we're done */ |
195 |
free((char *)pix); |
196 |
} |
197 |
|
198 |
|
199 |
tmap_tiff(fname, tp) /* tone map SGILOG TIFF */ |
200 |
char *fname; |
201 |
TIFF *tp; |
202 |
{ |
203 |
float xres, yres; |
204 |
uint16 orient, resunit, phot; |
205 |
int xsiz, ysiz; |
206 |
BYTE *pix; |
207 |
/* check to make sure it's SGILOG */ |
208 |
TIFFGetFieldDefaulted(tp, TIFFTAG_PHOTOMETRIC, &phot); |
209 |
if (phot != PHOTOMETRIC_LOGLUV && phot != PHOTOMETRIC_LOGL) { |
210 |
fprintf(stderr, "%s: TIFF must be in SGILOG format\n", fname); |
211 |
exit(1); |
212 |
} |
213 |
if (phot == PHOTOMETRIC_LOGL) |
214 |
flags |= TM_F_BW; |
215 |
/* read and tone map TIFF */ |
216 |
if (tmMapTIFF(&pix, &xsiz, &ysiz, flags, |
217 |
rgbp, gamv, lddyn, ldmax, fname, tp) != TM_E_OK) |
218 |
exit(1); |
219 |
/* get relevant tags */ |
220 |
TIFFGetFieldDefaulted(tp, TIFFTAG_RESOLUTIONUNIT, &resunit); |
221 |
TIFFGetFieldDefaulted(tp, TIFFTAG_XRESOLUTION, &xres); |
222 |
TIFFGetFieldDefaulted(tp, TIFFTAG_YRESOLUTION, &yres); |
223 |
TIFFGetFieldDefaulted(tp, TIFFTAG_ORIENTATION, &orient); |
224 |
/* put out our image */ |
225 |
putimage(orient, (uint32)xsiz, (uint32)ysiz, xres, yres, resunit, pix); |
226 |
/* free data and we're done */ |
227 |
free((char *)pix); |
228 |
} |
229 |
|
230 |
|
231 |
putimage(or, xs, ys, xr, yr, ru, pd) /* write out our image */ |
232 |
uint16 or; |
233 |
uint32 xs, ys; |
234 |
float xr, yr; |
235 |
uint16 ru; |
236 |
BYTE *pd; |
237 |
{ |
238 |
register int y; |
239 |
uint32 rowsperstrip; |
240 |
|
241 |
TIFFSetField(tifout, TIFFTAG_COMPRESSION, COMPRESSION_NONE); |
242 |
if (flags & TM_F_BW) { |
243 |
TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC, |
244 |
PHOTOMETRIC_MINISBLACK); |
245 |
TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 1); |
246 |
} else { |
247 |
TIFFSetField(tifout, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); |
248 |
TIFFSetField(tifout, TIFFTAG_SAMPLESPERPIXEL, 3); |
249 |
} |
250 |
if (rgbp != stdprims) { |
251 |
TIFFSetField(tifout, TIFFTAG_PRIMARYCHROMATICITIES, |
252 |
(float *)rgbp); |
253 |
TIFFSetField(tifout, TIFFTAG_WHITEPOINT, (float *)rgbp[WHT]); |
254 |
} |
255 |
TIFFSetField(tifout, TIFFTAG_BITSPERSAMPLE, 8); |
256 |
TIFFSetField(tifout, TIFFTAG_IMAGEWIDTH, xs); |
257 |
TIFFSetField(tifout, TIFFTAG_IMAGELENGTH, ys); |
258 |
TIFFSetField(tifout, TIFFTAG_RESOLUTIONUNIT, ru); |
259 |
TIFFSetField(tifout, TIFFTAG_XRESOLUTION, xr); |
260 |
TIFFSetField(tifout, TIFFTAG_YRESOLUTION, yr); |
261 |
TIFFSetField(tifout, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); |
262 |
TIFFSetField(tifout, TIFFTAG_ORIENTATION, or); |
263 |
/* compute good strip size */ |
264 |
rowsperstrip = 8192/TIFFScanlineSize(tifout); |
265 |
if (rowsperstrip < 1) rowsperstrip = 1; |
266 |
TIFFSetField(tifout, TIFFTAG_ROWSPERSTRIP, rowsperstrip); |
267 |
/* write out scanlines */ |
268 |
if (flags & TM_F_BW) { |
269 |
for (y = 0; y < ys; y++) |
270 |
if (TIFFWriteScanline(tifout, pd + y*xs, y, 0) < 0) |
271 |
goto writerr; |
272 |
} else { |
273 |
for (y = 0; y < ys; y++) |
274 |
if (TIFFWriteScanline(tifout, pd + y*3*xs, y, 0) < 0) |
275 |
goto writerr; |
276 |
} |
277 |
return; /* all done! */ |
278 |
writerr: |
279 |
fputs("Error writing TIFF output\n", stderr); |
280 |
exit(2); |
281 |
} |