15 |
|
|
16 |
|
#include "color.h" |
17 |
|
|
18 |
+ |
#include "resolu.h" |
19 |
+ |
|
20 |
|
#include "random.h" |
21 |
|
|
22 |
|
#include "targa.h" |
34 |
|
|
35 |
|
extern char *ecalloc(), *emalloc(); |
36 |
|
|
37 |
< |
extern double atof(), pow(); |
37 |
> |
extern double pow(); |
38 |
|
|
39 |
< |
double gamma = 2.0; /* gamma correction */ |
39 |
> |
double gamma = 2.2; /* gamma correction */ |
40 |
|
|
41 |
+ |
int bradj = 0; /* brightness adjustment */ |
42 |
+ |
|
43 |
|
char *progname; |
44 |
|
|
45 |
|
char msg[128]; |
71 |
|
case '3': |
72 |
|
head.dataBits = 24; |
73 |
|
break; |
74 |
+ |
case 'e': |
75 |
+ |
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
76 |
+ |
goto userr; |
77 |
+ |
bradj = atoi(argv[++i]); |
78 |
+ |
break; |
79 |
|
default: |
80 |
|
goto userr; |
81 |
|
} |
107 |
|
printargs(i, argv, stdout); |
108 |
|
fputformat(COLRFMT, stdout); |
109 |
|
putchar('\n'); |
110 |
< |
fputresolu(YMAJOR|YDECR, head.x, head.y, stdout); |
110 |
> |
fprtresolu(head.x, head.y, stdout); |
111 |
|
/* convert file */ |
112 |
|
tg2ra(&head); |
113 |
|
} else { |
114 |
|
if (checkheader(stdin, COLRFMT, NULL) < 0 || |
115 |
< |
fgetresolu(&head.x, &head.y, stdin) != (YMAJOR|YDECR)) |
115 |
> |
fgetresolu(&head.x, &head.y, stdin) < 0) |
116 |
|
quiterr("bad picture file"); |
117 |
|
/* assign header */ |
118 |
|
head.textSize = 0; |
128 |
|
} |
129 |
|
exit(0); |
130 |
|
userr: |
131 |
< |
fprintf(stderr, "Usage: %s [-2|-3|-r][-g gamma] [input [output]]\n", |
131 |
> |
fprintf(stderr, "Usage: %s [-2|-3|-r][-g gamma][-e +/-stops] [input [output]]\n", |
132 |
|
progname); |
133 |
|
exit(1); |
134 |
|
} |
276 |
|
} |
277 |
|
} |
278 |
|
gambs_colrs(scanline, hp->x); |
279 |
+ |
if (bradj) |
280 |
+ |
shiftcolrs(scanline, hp->x, bradj); |
281 |
|
if (fwritecolrs(scanline, hp->x, stdout) < 0) |
282 |
|
quiterr("error writing RADIANCE file"); |
283 |
|
} |
299 |
|
for (j = hp->y-1; j >= 0; j--) { |
300 |
|
if (freadcolrs(inl, hp->x, stdin) < 0) |
301 |
|
quiterr("error reading RADIANCE file"); |
302 |
+ |
if (bradj) |
303 |
+ |
shiftcolrs(inl, hp->x, bradj); |
304 |
|
colrs_gambs(inl, hp->x); |
305 |
|
if (hp->dataBits == 16) { |
306 |
|
register unsigned short *dp; |