17 |
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#include <fcntl.h> |
18 |
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#endif |
19 |
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|
20 |
< |
extern char *malloc(); |
20 |
> |
extern char *malloc(), *realloc(), *tempbuffer(); |
21 |
> |
extern int addhline(); |
22 |
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|
23 |
+ |
#define dumpheader(fp) fwrite(headlines, 1, headlen, fp) |
24 |
+ |
|
25 |
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int bradj = 0; /* brightness adjustment */ |
26 |
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|
27 |
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int doflat = 1; /* produce flat file */ |
28 |
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|
29 |
+ |
int force = 0; /* force file overwrite? */ |
30 |
+ |
|
31 |
+ |
int findframe = 0; /* find a specific frame? */ |
32 |
+ |
|
33 |
+ |
int frameno = 0; /* current frame number */ |
34 |
+ |
int fmterr = 0; /* got input format error */ |
35 |
+ |
char *headlines; /* current header info. */ |
36 |
+ |
int headlen; /* current header length */ |
37 |
+ |
|
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char *progname; |
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|
40 |
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|
42 |
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int argc; |
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char *argv[]; |
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{ |
45 |
+ |
char *ospec; |
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int i; |
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< |
#ifdef MSDOS |
35 |
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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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> |
|
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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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goto userr; |
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bradj = atoi(argv[++i]); |
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break; |
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case 'n': |
62 |
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findframe = atoi(argv[++i]); |
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break; |
64 |
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case 'f': |
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force++; |
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break; |
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case '\0': |
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goto gotfile; |
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default: |
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goto userr; |
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} |
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else |
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break; |
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< |
|
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> |
gotfile: |
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if (i < argc-2) |
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goto userr; |
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< |
if (i <= argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
77 |
> |
if (i <= argc-1 && strcmp(argv[i], "-") && |
78 |
> |
freopen(argv[i], "r", stdin) == NULL) { |
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fprintf(stderr, "%s: can't open input \"%s\"\n", |
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progname, argv[i]); |
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exit(1); |
82 |
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} |
83 |
< |
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) { |
84 |
< |
fprintf(stderr, "%s: can't open output \"%s\"\n", |
85 |
< |
progname, argv[i+1]); |
86 |
< |
exit(1); |
87 |
< |
} |
88 |
< |
transfer(); |
83 |
> |
#ifdef MSDOS |
84 |
> |
setmode(fileno(stdin), O_BINARY); |
85 |
> |
#endif |
86 |
> |
ospec = i==argc-2 ? argv[i+1] : (char *)NULL; |
87 |
> |
while (transfer(ospec)) |
88 |
> |
; |
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exit(0); |
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userr: |
91 |
< |
fprintf(stderr, "Usage: %s [-r][-e +/-stops] [input [output]]\n", |
91 |
> |
fprintf(stderr, |
92 |
> |
"Usage: %s [-r][-e +/-stops][-f][-n frame] [input [outspec]]\n", |
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progname); |
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exit(1); |
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} |
96 |
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|
97 |
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|
98 |
< |
quiterr(err) /* print message and exit */ |
99 |
< |
char *err; |
98 |
> |
transfer(ospec) /* transfer a Radiance picture */ |
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> |
char *ospec; |
100 |
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{ |
101 |
< |
if (err != NULL) { |
102 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
85 |
< |
exit(1); |
86 |
< |
} |
87 |
< |
exit(0); |
88 |
< |
} |
89 |
< |
|
90 |
< |
|
91 |
< |
transfer() /* transfer Radiance picture */ |
92 |
< |
{ |
101 |
> |
char oname[128]; |
102 |
> |
FILE *fp; |
103 |
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int order; |
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int xmax, ymax; |
105 |
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COLR *scanin; |
106 |
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int y; |
107 |
< |
/* get header info. */ |
108 |
< |
if (checkheader(stdin, COLRFMT, stdout) < 0 || |
109 |
< |
(order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
110 |
< |
quiterr("bad picture format"); |
111 |
< |
fputs(progname, stdout); |
112 |
< |
if (bradj) |
103 |
< |
printf(" -e %+d", bradj); |
104 |
< |
if (doflat) |
105 |
< |
fputs("\n", stdout); |
106 |
< |
else { |
107 |
< |
fputs(" -r\n", stdout); |
108 |
< |
fputformat(COLRFMT, stdout); |
107 |
> |
/* get header info. */ |
108 |
> |
if (!(y = loadheader(stdin))) |
109 |
> |
return(0); |
110 |
> |
if (y < 0 || (order = fgetresolu(&xmax, &ymax, stdin)) < 0) { |
111 |
> |
fprintf(stderr, "%s: bad input format\n", progname); |
112 |
> |
exit(1); |
113 |
|
} |
114 |
+ |
/* did we pass the target frame? */ |
115 |
+ |
if (findframe && findframe < frameno) |
116 |
+ |
return(0); |
117 |
+ |
/* allocate scanline */ |
118 |
+ |
scanin = (COLR *)tempbuffer(xmax*sizeof(COLR)); |
119 |
+ |
if (scanin == NULL) { |
120 |
+ |
perror(progname); |
121 |
+ |
exit(1); |
122 |
+ |
} |
123 |
+ |
/* skip frame? */ |
124 |
+ |
if (findframe > frameno) { |
125 |
+ |
for (y = ymax; y--; ) |
126 |
+ |
if (freadcolrs(scanin, xmax, stdin) < 0) { |
127 |
+ |
fprintf(stderr, |
128 |
+ |
"%s: error reading input picture\n", |
129 |
+ |
progname); |
130 |
+ |
exit(1); |
131 |
+ |
} |
132 |
+ |
return(1); |
133 |
+ |
} |
134 |
+ |
/* open output file/command */ |
135 |
+ |
if (ospec == NULL) { |
136 |
+ |
strcpy(oname, "<stdout>"); |
137 |
+ |
fp = stdout; |
138 |
+ |
} else { |
139 |
+ |
sprintf(oname, ospec, frameno); |
140 |
+ |
if (oname[0] == '!') { |
141 |
+ |
if ((fp = popen(oname+1, "w")) == NULL) { |
142 |
+ |
fprintf(stderr, "%s: cannot start \"%s\"\n", |
143 |
+ |
progname, oname); |
144 |
+ |
exit(1); |
145 |
+ |
} |
146 |
+ |
} else { |
147 |
+ |
if (!force && access(oname, 0) >= 0) { |
148 |
+ |
fprintf(stderr, |
149 |
+ |
"%s: output file \"%s\" exists\n", |
150 |
+ |
progname, oname); |
151 |
+ |
exit(1); |
152 |
+ |
} |
153 |
+ |
if ((fp = fopen(oname, "w")) == NULL) { |
154 |
+ |
fprintf(stderr, "%s: ", progname); |
155 |
+ |
perror(oname); |
156 |
+ |
exit(1); |
157 |
+ |
} |
158 |
+ |
} |
159 |
+ |
} |
160 |
+ |
#ifdef MSDOS |
161 |
+ |
setmode(fileno(fp), O_BINARY); |
162 |
+ |
#endif |
163 |
+ |
dumpheader(fp); /* put out header */ |
164 |
+ |
fputs(progname, fp); |
165 |
|
if (bradj) |
166 |
< |
fputexpos(pow(2.0, (double)bradj), stdout); |
167 |
< |
fputs("\n", stdout); |
168 |
< |
fputresolu(order, xmax, ymax, stdout); |
169 |
< |
/* allocate scanline */ |
170 |
< |
scanin = (COLR *)malloc(xmax*sizeof(COLR)); |
171 |
< |
if (scanin == NULL) |
172 |
< |
quiterr("out of memory in transfer"); |
173 |
< |
/* convert image */ |
174 |
< |
for (y = ymax-1; y >= 0; y--) { |
175 |
< |
if (freadcolrs(scanin, xmax, stdin) < 0) |
176 |
< |
quiterr("error reading input picture"); |
166 |
> |
fprintf(fp, " -e %+d", bradj); |
167 |
> |
if (!doflat) |
168 |
> |
fputs(" -r", fp); |
169 |
> |
fputc('\n', fp); |
170 |
> |
if (bradj) |
171 |
> |
fputexpos(pow(2.0, (double)bradj), fp); |
172 |
> |
fputc('\n', fp); |
173 |
> |
fputresolu(order, xmax, ymax, fp); |
174 |
> |
/* transfer picture */ |
175 |
> |
for (y = ymax; y--; ) { |
176 |
> |
if (freadcolrs(scanin, xmax, stdin) < 0) { |
177 |
> |
fprintf(stderr, "%s: error reading input picture\n", |
178 |
> |
progname); |
179 |
> |
exit(1); |
180 |
> |
} |
181 |
|
if (bradj) |
182 |
|
shiftcolrs(scanin, xmax, bradj); |
183 |
|
if (doflat) |
184 |
< |
fwrite((char *)scanin, sizeof(COLR), xmax, stdout); |
184 |
> |
fwrite((char *)scanin, sizeof(COLR), xmax, fp); |
185 |
|
else |
186 |
< |
fwritecolrs(scanin, xmax, stdout); |
187 |
< |
if (ferror(stdout)) |
188 |
< |
quiterr("error writing output picture"); |
186 |
> |
fwritecolrs(scanin, xmax, fp); |
187 |
> |
if (ferror(fp)) { |
188 |
> |
fprintf(stderr, "%s: error writing output to \"%s\"\n", |
189 |
> |
progname, oname); |
190 |
> |
exit(1); |
191 |
> |
} |
192 |
|
} |
193 |
< |
/* free scanline */ |
194 |
< |
free((char *)scanin); |
193 |
> |
/* clean up */ |
194 |
> |
if (oname[0] == '!') |
195 |
> |
pclose(fp); |
196 |
> |
else if (ospec != NULL) |
197 |
> |
fclose(fp); |
198 |
> |
return(1); |
199 |
> |
} |
200 |
> |
|
201 |
> |
|
202 |
> |
addhline(s) /* add a line to our info. header */ |
203 |
> |
char *s; |
204 |
> |
{ |
205 |
> |
char fmt[32]; |
206 |
> |
int n; |
207 |
> |
|
208 |
> |
if (formatval(fmt, s)) |
209 |
> |
fmterr += !globmatch(PICFMT, fmt); |
210 |
> |
else if (!strncmp(s, "FRAME=", 6)) |
211 |
> |
frameno = atoi(s+6); |
212 |
> |
n = strlen(s); |
213 |
> |
if (headlen) |
214 |
> |
headlines = (char *)realloc(headlines, headlen+n+1); |
215 |
> |
else |
216 |
> |
headlines = (char *)malloc(n+1); |
217 |
> |
if (headlines == NULL) { |
218 |
> |
perror(progname); |
219 |
> |
exit(1); |
220 |
> |
} |
221 |
> |
strcpy(headlines+headlen, s); |
222 |
> |
headlen += n; |
223 |
> |
} |
224 |
> |
|
225 |
> |
|
226 |
> |
loadheader(fp) /* load an info. header into memory */ |
227 |
> |
FILE *fp; |
228 |
> |
{ |
229 |
> |
fmterr = 0; frameno = 0; |
230 |
> |
if (headlen) { /* free old header */ |
231 |
> |
free(headlines); |
232 |
> |
headlen = 0; |
233 |
> |
} |
234 |
> |
if (getheader(fp, addhline, NULL) < 0) |
235 |
> |
return(0); |
236 |
> |
if (fmterr) |
237 |
> |
return(-1); |
238 |
> |
return(1); |
239 |
|
} |