14 |
|
#include "platform.h" |
15 |
|
#include "color.h" |
16 |
|
#include "resolu.h" |
17 |
+ |
#include "rtio.h" |
18 |
|
|
19 |
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int rgbinp = -1; /* input is RGBE? */ |
20 |
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int rgbout = 0; /* output should be RGBE? */ |
22 |
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RGBPRIMS outprims = STDPRIMS; /* output primaries */ |
23 |
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double expcomp = 1.0; /* exposure compensation */ |
24 |
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int doflat = -1; /* produce flat file? */ |
25 |
+ |
double origexp = -1.0; /* original exposure */ |
26 |
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char *progname; |
27 |
|
|
28 |
|
static gethfunc headline; |
48 |
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rgbinp = -2; |
49 |
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return(0); /* don't echo */ |
50 |
|
} |
51 |
+ |
if (origexp > 0.0 && isexpos(s)) { |
52 |
+ |
origexp *= exposval(s); |
53 |
+ |
return(0); /* don't echo */ |
54 |
+ |
} |
55 |
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if (isprims(s)) { /* get input primaries */ |
56 |
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primsval(inprims, s); |
57 |
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return(0); /* don't echo */ |
94 |
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outprims[WHT][CIEX] = atof(argv[++i]); |
95 |
|
outprims[WHT][CIEY] = atof(argv[++i]); |
96 |
|
break; |
97 |
+ |
case 'o': /* original exposure */ |
98 |
+ |
origexp = 1.0; |
99 |
+ |
break; |
100 |
|
case 'e': /* exposure compensation */ |
101 |
|
expcomp = atof(argv[++i]); |
102 |
|
if (argv[i][0] == '+' || argv[i][0] == '-') |
131 |
|
convert(); /* convert picture */ |
132 |
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exit(0); |
133 |
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userr: |
134 |
< |
fprintf(stderr, "Usage: %s [-r][-e exp][-c|-u]", progname); |
134 |
> |
fprintf(stderr, "Usage: %s [-r][-o][-e exp][-c|-u]", progname); |
135 |
|
fprintf(stderr, "[-p rx ry gx gy bx by wx wy] [input [output]]\n"); |
136 |
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exit(1); |
137 |
|
} |
158 |
|
COLORMAT xfm; |
159 |
|
register COLOR *scanin; |
160 |
|
register COLR *scanout; |
161 |
< |
double ourexp = expcomp; |
161 |
> |
double exp2do = expcomp; |
162 |
> |
double exp2report = expcomp; |
163 |
|
int y; |
164 |
|
register int x; |
165 |
+ |
/* recover original? */ |
166 |
+ |
if (origexp > 0.0) |
167 |
+ |
exp2do /= origexp; |
168 |
|
/* compute transform */ |
169 |
|
if (rgbout) { |
170 |
|
if (rgbinp) { /* RGBE -> RGBE */ |
171 |
|
comprgb2rgbWBmat(xfm, inprims, outprims); |
172 |
|
} else { /* XYZE -> RGBE */ |
173 |
|
compxyz2rgbWBmat(xfm, outprims); |
174 |
< |
ourexp *= WHTEFFICACY; |
174 |
> |
if (origexp > 0.0) |
175 |
> |
exp2do /= WHTEFFICACY; |
176 |
> |
else |
177 |
> |
exp2report *= WHTEFFICACY; |
178 |
|
} |
179 |
|
} else { |
180 |
|
if (rgbinp) { /* RGBE -> XYZE */ |
181 |
|
comprgb2xyzWBmat(xfm, inprims); |
182 |
< |
ourexp /= WHTEFFICACY; |
182 |
> |
if (origexp > 0.0) |
183 |
> |
exp2do *= WHTEFFICACY; |
184 |
> |
else |
185 |
> |
exp2report /= WHTEFFICACY; |
186 |
|
} else { /* XYZE -> XYZE */ |
187 |
|
for (y = 0; y < 3; y++) |
188 |
|
for (x = 0; x < 3; x++) |
191 |
|
} |
192 |
|
for (y = 0; y < 3; y++) |
193 |
|
for (x = 0; x < 3; x++) |
194 |
< |
xfm[y][x] *= expcomp; |
194 |
> |
xfm[y][x] *= exp2do; |
195 |
|
/* get input resolution */ |
196 |
|
if ((order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
197 |
|
quiterr("bad picture format"); |
198 |
|
/* complete output header */ |
199 |
< |
if (ourexp < 0.99 || ourexp > 1.01) |
200 |
< |
fputexpos(ourexp, stdout); |
199 |
> |
if ((exp2report < 0.99) | (exp2report > 1.01)) |
200 |
> |
fputexpos(exp2report, stdout); |
201 |
|
if (rgbout) { |
202 |
|
fputprims(outprims, stdout); |
203 |
|
fputformat(COLRFMT, stdout); |
225 |
|
setcolr(scanout[x], colval(scanin[x],RED), |
226 |
|
colval(scanin[x],GRN), |
227 |
|
colval(scanin[x],BLU)); |
228 |
< |
fwrite((char *)scanout, sizeof(COLR), xmax, stdout); |
228 |
> |
putbinary((char *)scanout, sizeof(COLR), xmax, stdout); |
229 |
|
} else |
230 |
|
fwritescan(scanin, xmax, stdout); |
231 |
|
if (ferror(stdout)) |