| 16 |
|
#include "resolu.h" |
| 17 |
|
|
| 18 |
|
int rgbinp = -1; /* input is RGBE? */ |
| 19 |
– |
|
| 19 |
|
int rgbout = 0; /* output should be RGBE? */ |
| 21 |
– |
|
| 20 |
|
RGBPRIMS inprims = STDPRIMS; /* input primaries */ |
| 23 |
– |
|
| 21 |
|
RGBPRIMS outprims = STDPRIMS; /* output primaries */ |
| 25 |
– |
|
| 22 |
|
double expcomp = 1.0; /* exposure compensation */ |
| 27 |
– |
|
| 23 |
|
int doflat = -1; /* produce flat file? */ |
| 24 |
< |
|
| 24 |
> |
double origexp = -1.0; /* original exposure */ |
| 25 |
|
char *progname; |
| 26 |
|
|
| 27 |
|
static gethfunc headline; |
| 28 |
+ |
static void quiterr(char *err); |
| 29 |
+ |
static void convert(void); |
| 30 |
|
|
| 31 |
|
|
| 32 |
+ |
|
| 33 |
|
static int |
| 34 |
|
headline( /* process header line */ |
| 35 |
|
char *s, |
| 47 |
|
rgbinp = -2; |
| 48 |
|
return(0); /* don't echo */ |
| 49 |
|
} |
| 50 |
+ |
if (origexp > 0.0 && isexpos(s)) { |
| 51 |
+ |
origexp *= exposval(s); |
| 52 |
+ |
return(0); /* don't echo */ |
| 53 |
+ |
} |
| 54 |
|
if (isprims(s)) { /* get input primaries */ |
| 55 |
|
primsval(inprims, s); |
| 56 |
|
return(0); /* don't echo */ |
| 60 |
|
} |
| 61 |
|
|
| 62 |
|
|
| 63 |
< |
main(argc, argv) |
| 64 |
< |
int argc; |
| 63 |
< |
char *argv[]; |
| 63 |
> |
int |
| 64 |
> |
main(int argc, char *argv[]) |
| 65 |
|
{ |
| 66 |
|
int i; |
| 67 |
|
SET_DEFAULT_BINARY(); |
| 93 |
|
outprims[WHT][CIEX] = atof(argv[++i]); |
| 94 |
|
outprims[WHT][CIEY] = atof(argv[++i]); |
| 95 |
|
break; |
| 96 |
+ |
case 'o': /* original exposure */ |
| 97 |
+ |
origexp = 1.0; |
| 98 |
+ |
break; |
| 99 |
|
case 'e': /* exposure compensation */ |
| 100 |
|
expcomp = atof(argv[++i]); |
| 101 |
|
if (argv[i][0] == '+' || argv[i][0] == '-') |
| 130 |
|
convert(); /* convert picture */ |
| 131 |
|
exit(0); |
| 132 |
|
userr: |
| 133 |
< |
fprintf(stderr, "Usage: %s [-r][-e exp][-c|-u]", progname); |
| 133 |
> |
fprintf(stderr, "Usage: %s [-r][-o][-e exp][-c|-u]", progname); |
| 134 |
|
fprintf(stderr, "[-p rx ry gx gy bx by wx wy] [input [output]]\n"); |
| 135 |
|
exit(1); |
| 136 |
|
} |
| 137 |
|
|
| 138 |
|
|
| 139 |
< |
quiterr(err) /* print message and exit */ |
| 140 |
< |
char *err; |
| 139 |
> |
static void |
| 140 |
> |
quiterr( /* print message and exit */ |
| 141 |
> |
char *err |
| 142 |
> |
) |
| 143 |
|
{ |
| 144 |
|
if (err != NULL) { |
| 145 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
| 149 |
|
} |
| 150 |
|
|
| 151 |
|
|
| 152 |
< |
convert() /* convert to XYZE or RGBE picture */ |
| 152 |
> |
static void |
| 153 |
> |
convert(void) /* convert to XYZE or RGBE picture */ |
| 154 |
|
{ |
| 155 |
|
int order; |
| 156 |
|
int xmax, ymax; |
| 157 |
|
COLORMAT xfm; |
| 158 |
|
register COLOR *scanin; |
| 159 |
|
register COLR *scanout; |
| 160 |
< |
double ourexp = expcomp; |
| 160 |
> |
double exp2do = expcomp; |
| 161 |
> |
double exp2report = expcomp; |
| 162 |
|
int y; |
| 163 |
|
register int x; |
| 164 |
+ |
/* recover original? */ |
| 165 |
+ |
if (origexp > 0.0) |
| 166 |
+ |
exp2do /= origexp; |
| 167 |
|
/* compute transform */ |
| 168 |
|
if (rgbout) { |
| 169 |
|
if (rgbinp) { /* RGBE -> RGBE */ |
| 170 |
|
comprgb2rgbWBmat(xfm, inprims, outprims); |
| 171 |
|
} else { /* XYZE -> RGBE */ |
| 172 |
|
compxyz2rgbWBmat(xfm, outprims); |
| 173 |
< |
ourexp *= WHTEFFICACY; |
| 173 |
> |
if (origexp > 0.0) |
| 174 |
> |
exp2do /= WHTEFFICACY; |
| 175 |
> |
else |
| 176 |
> |
exp2report *= WHTEFFICACY; |
| 177 |
|
} |
| 178 |
|
} else { |
| 179 |
|
if (rgbinp) { /* RGBE -> XYZE */ |
| 180 |
|
comprgb2xyzWBmat(xfm, inprims); |
| 181 |
< |
ourexp /= WHTEFFICACY; |
| 181 |
> |
if (origexp > 0.0) |
| 182 |
> |
exp2do *= WHTEFFICACY; |
| 183 |
> |
else |
| 184 |
> |
exp2report /= WHTEFFICACY; |
| 185 |
|
} else { /* XYZE -> XYZE */ |
| 186 |
|
for (y = 0; y < 3; y++) |
| 187 |
|
for (x = 0; x < 3; x++) |
| 190 |
|
} |
| 191 |
|
for (y = 0; y < 3; y++) |
| 192 |
|
for (x = 0; x < 3; x++) |
| 193 |
< |
xfm[y][x] *= expcomp; |
| 193 |
> |
xfm[y][x] *= exp2do; |
| 194 |
|
/* get input resolution */ |
| 195 |
|
if ((order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
| 196 |
|
quiterr("bad picture format"); |
| 197 |
|
/* complete output header */ |
| 198 |
< |
if (ourexp < 0.99 || ourexp > 1.01) |
| 199 |
< |
fputexpos(ourexp, stdout); |
| 198 |
> |
if ((exp2report < 0.99) | (exp2report > 1.01)) |
| 199 |
> |
fputexpos(exp2report, stdout); |
| 200 |
|
if (rgbout) { |
| 201 |
|
fputprims(outprims, stdout); |
| 202 |
|
fputformat(COLRFMT, stdout); |
