34 |
|
|
35 |
|
extern double atof(), pow(); |
36 |
|
|
37 |
< |
double gamma = 2.0; /* gamma correction */ |
37 |
> |
double gamma = 2.2; /* gamma correction */ |
38 |
|
|
39 |
+ |
int bradj = 0; /* brightness adjustment */ |
40 |
+ |
|
41 |
|
char *progname; |
42 |
|
|
43 |
|
char msg[128]; |
69 |
|
case '3': |
70 |
|
head.dataBits = 24; |
71 |
|
break; |
72 |
+ |
case 'e': |
73 |
+ |
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
74 |
+ |
goto userr; |
75 |
+ |
bradj = atoi(argv[++i]); |
76 |
+ |
break; |
77 |
|
default: |
78 |
|
goto userr; |
79 |
|
} |
126 |
|
} |
127 |
|
exit(0); |
128 |
|
userr: |
129 |
< |
fprintf(stderr, "Usage: %s [-2|-3|-r][-g gamma] [input [output]]\n", |
129 |
> |
fprintf(stderr, "Usage: %s [-2|-3|-r][-g gamma][-e +/-stops] [input [output]]\n", |
130 |
|
progname); |
131 |
|
exit(1); |
132 |
|
} |
274 |
|
} |
275 |
|
} |
276 |
|
gambs_colrs(scanline, hp->x); |
277 |
+ |
if (bradj) |
278 |
+ |
shiftcolrs(scanline, hp->x, bradj); |
279 |
|
if (fwritecolrs(scanline, hp->x, stdout) < 0) |
280 |
|
quiterr("error writing RADIANCE file"); |
281 |
|
} |
297 |
|
for (j = hp->y-1; j >= 0; j--) { |
298 |
|
if (freadcolrs(inl, hp->x, stdin) < 0) |
299 |
|
quiterr("error reading RADIANCE file"); |
300 |
+ |
if (bradj) |
301 |
+ |
shiftcolrs(inl, hp->x, bradj); |
302 |
|
colrs_gambs(inl, hp->x); |
303 |
|
if (hp->dataBits == 16) { |
304 |
|
register unsigned short *dp; |