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* Added white-balance adjustment 10/01 (GW). |
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*/ |
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|
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#include <stdio.h> |
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#include <string.h> |
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#include <math.h> |
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< |
#include <time.h> |
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> |
|
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> |
#include "platform.h" |
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#include "color.h" |
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#include "resolu.h" |
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#include "rtio.h" |
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|
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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|
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int rgbinp = -1; /* input is RGBE? */ |
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|
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int rgbout = 0; /* output should be RGBE? */ |
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|
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RGBPRIMS inprims = STDPRIMS; /* input primaries */ |
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|
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RGBPRIMS outprims = STDPRIMS; /* output primaries */ |
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|
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double expcomp = 1.0; /* exposure compensation */ |
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|
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int doflat = -1; /* produce flat file? */ |
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|
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double origexp = -1.0; /* original exposure */ |
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char *progname; |
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|
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static gethfunc headline; |
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static void quiterr(char *err); |
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static void convert(void); |
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|
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int |
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headline(s) /* process header line */ |
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char *s; |
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> |
|
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> |
|
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static int |
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headline( /* process header line */ |
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char *s, |
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void *p |
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> |
) |
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{ |
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char fmt[32]; |
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> |
char fmt[MAXFMTLEN]; |
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|
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if (formatval(fmt, s)) { /* check if format string */ |
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if (!strcmp(fmt,COLRFMT)) |
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rgbinp = -2; |
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return(0); /* don't echo */ |
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} |
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if (origexp > 0.0 && isexpos(s)) { |
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origexp *= exposval(s); |
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return(0); /* don't echo */ |
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} |
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if (isprims(s)) { /* get input primaries */ |
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primsval(inprims, s); |
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return(0); /* don't echo */ |
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} |
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|
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|
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< |
main(argc, argv) |
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< |
int argc; |
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< |
char *argv[]; |
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> |
int |
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> |
main(int argc, char *argv[]) |
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{ |
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int i; |
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< |
#ifdef MSDOS |
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< |
extern int _fmode; |
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< |
_fmode = O_BINARY; |
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< |
setmode(fileno(stdin), O_BINARY); |
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< |
setmode(fileno(stdout), O_BINARY); |
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< |
#endif |
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> |
SET_DEFAULT_BINARY(); |
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> |
SET_FILE_BINARY(stdin); |
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> |
SET_FILE_BINARY(stdout); |
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progname = argv[0]; |
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|
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for (i = 1; i < argc; i++) |
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outprims[WHT][CIEX] = atof(argv[++i]); |
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outprims[WHT][CIEY] = atof(argv[++i]); |
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break; |
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+ |
case 'o': /* original exposure */ |
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+ |
origexp = 1.0; |
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+ |
break; |
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case 'e': /* exposure compensation */ |
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expcomp = atof(argv[++i]); |
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if (argv[i][0] == '+' || argv[i][0] == '-') |
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convert(); /* convert picture */ |
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|
exit(0); |
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userr: |
| 131 |
< |
fprintf(stderr, "Usage: %s [-r][-e exp][-c|-u]", progname); |
| 131 |
> |
fprintf(stderr, "Usage: %s [-r][-o][-e exp][-c|-u]", progname); |
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fprintf(stderr, "[-p rx ry gx gy bx by wx wy] [input [output]]\n"); |
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exit(1); |
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} |
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|
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|
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< |
quiterr(err) /* print message and exit */ |
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< |
char *err; |
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> |
static void |
| 138 |
> |
quiterr( /* print message and exit */ |
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> |
char *err |
| 140 |
> |
) |
| 141 |
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{ |
| 142 |
|
if (err != NULL) { |
| 143 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
| 147 |
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} |
| 148 |
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|
| 149 |
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|
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< |
convert() /* convert to XYZE or RGBE picture */ |
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> |
static void |
| 151 |
> |
convert(void) /* convert to XYZE or RGBE picture */ |
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{ |
| 153 |
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int order; |
| 154 |
|
int xmax, ymax; |
| 155 |
|
COLORMAT xfm; |
| 156 |
|
register COLOR *scanin; |
| 157 |
|
register COLR *scanout; |
| 158 |
< |
double ourexp = expcomp; |
| 158 |
> |
double exp2do = expcomp; |
| 159 |
> |
double exp2report = expcomp; |
| 160 |
|
int y; |
| 161 |
|
register int x; |
| 162 |
+ |
/* recover original? */ |
| 163 |
+ |
if (origexp > 0.0) |
| 164 |
+ |
exp2do /= origexp; |
| 165 |
|
/* compute transform */ |
| 166 |
|
if (rgbout) { |
| 167 |
|
if (rgbinp) { /* RGBE -> RGBE */ |
| 168 |
|
comprgb2rgbWBmat(xfm, inprims, outprims); |
| 169 |
|
} else { /* XYZE -> RGBE */ |
| 170 |
|
compxyz2rgbWBmat(xfm, outprims); |
| 171 |
< |
ourexp *= WHTEFFICACY; |
| 171 |
> |
if (origexp > 0.0) |
| 172 |
> |
exp2do /= WHTEFFICACY; |
| 173 |
> |
else |
| 174 |
> |
exp2report *= WHTEFFICACY; |
| 175 |
|
} |
| 176 |
|
} else { |
| 177 |
|
if (rgbinp) { /* RGBE -> XYZE */ |
| 178 |
|
comprgb2xyzWBmat(xfm, inprims); |
| 179 |
< |
ourexp /= WHTEFFICACY; |
| 179 |
> |
if (origexp > 0.0) |
| 180 |
> |
exp2do *= WHTEFFICACY; |
| 181 |
> |
else |
| 182 |
> |
exp2report /= WHTEFFICACY; |
| 183 |
|
} else { /* XYZE -> XYZE */ |
| 184 |
|
for (y = 0; y < 3; y++) |
| 185 |
|
for (x = 0; x < 3; x++) |
| 188 |
|
} |
| 189 |
|
for (y = 0; y < 3; y++) |
| 190 |
|
for (x = 0; x < 3; x++) |
| 191 |
< |
xfm[y][x] *= expcomp; |
| 191 |
> |
xfm[y][x] *= exp2do; |
| 192 |
|
/* get input resolution */ |
| 193 |
|
if ((order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
| 194 |
|
quiterr("bad picture format"); |
| 195 |
|
/* complete output header */ |
| 196 |
< |
if (ourexp < 0.99 || ourexp > 1.01) |
| 197 |
< |
fputexpos(ourexp, stdout); |
| 196 |
> |
if ((exp2report < 0.99) | (exp2report > 1.01)) |
| 197 |
> |
fputexpos(exp2report, stdout); |
| 198 |
|
if (rgbout) { |
| 199 |
|
fputprims(outprims, stdout); |
| 200 |
|
fputformat(COLRFMT, stdout); |
| 222 |
|
setcolr(scanout[x], colval(scanin[x],RED), |
| 223 |
|
colval(scanin[x],GRN), |
| 224 |
|
colval(scanin[x],BLU)); |
| 225 |
< |
fwrite((char *)scanout, sizeof(COLR), xmax, stdout); |
| 225 |
> |
putbinary((char *)scanout, sizeof(COLR), xmax, stdout); |
| 226 |
|
} else |
| 227 |
|
fwritescan(scanin, xmax, stdout); |
| 228 |
|
if (ferror(stdout)) |
