| 29 |
|
FILE *fp; /* stream pointer */ |
| 30 |
|
COLOR *scan[WINSIZ]; /* input scanline window */ |
| 31 |
|
COLOR coef; /* coefficient */ |
| 32 |
+ |
COLOR expos; /* recorded exposure */ |
| 33 |
|
} input[MAXINP]; /* input pictures */ |
| 34 |
|
|
| 35 |
|
int nfiles; /* number of input files */ |
| 36 |
|
|
| 37 |
|
char *vcolin[3] = {"ri", "gi", "bi"}; |
| 38 |
|
char *vcolout[3] = {"ro", "go", "bo"}; |
| 39 |
< |
#define vbrtin "li" |
| 40 |
< |
#define vbrtout "lo" |
| 39 |
> |
char vbrtin[] = "li"; |
| 40 |
> |
char vbrtout[] = "lo"; |
| 41 |
> |
char *vcolexp[3] = {"re", "ge", "be"}; |
| 42 |
> |
char vbrtexp[] = "le"; |
| 43 |
|
|
| 44 |
|
#define vnfiles "nfiles" |
| 45 |
|
#define vxres "xres" |
| 58 |
|
int wrongformat = 0; |
| 59 |
|
|
| 60 |
|
|
| 58 |
– |
tputs(s) /* put out string preceded by a tab */ |
| 59 |
– |
char *s; |
| 60 |
– |
{ |
| 61 |
– |
char fmt[32]; |
| 62 |
– |
double d; |
| 63 |
– |
COLOR ctmp; |
| 64 |
– |
|
| 65 |
– |
if (isformat(s)) { /* check format */ |
| 66 |
– |
formatval(fmt, s); |
| 67 |
– |
wrongformat = strcmp(fmt, COLRFMT); |
| 68 |
– |
} else if (original && isexpos(s)) { /* exposure */ |
| 69 |
– |
d = 1.0/exposval(s); |
| 70 |
– |
scalecolor(input[nfiles].coef, d); |
| 71 |
– |
} else if (original && iscolcor(s)) { /* color correction */ |
| 72 |
– |
colcorval(ctmp, s); |
| 73 |
– |
colval(input[nfiles].coef,RED) /= colval(ctmp,RED); |
| 74 |
– |
colval(input[nfiles].coef,GRN) /= colval(ctmp,GRN); |
| 75 |
– |
colval(input[nfiles].coef,BLU) /= colval(ctmp,BLU); |
| 76 |
– |
} else { /* echo unaffected line */ |
| 77 |
– |
putchar('\t'); |
| 78 |
– |
fputs(s, stdout); |
| 79 |
– |
} |
| 80 |
– |
|
| 81 |
– |
} |
| 82 |
– |
|
| 83 |
– |
|
| 61 |
|
main(argc, argv) |
| 62 |
|
int argc; |
| 63 |
|
char *argv[]; |
| 64 |
|
{ |
| 88 |
– |
extern double l_redin(), l_grnin(), l_bluin(), l_brtin(), atof(); |
| 65 |
|
double f; |
| 66 |
|
int a, i; |
| 67 |
< |
|
| 68 |
< |
funset(vcolin[RED], 1, '=', l_redin); |
| 93 |
< |
funset(vcolin[GRN], 1, '=', l_grnin); |
| 94 |
< |
funset(vcolin[BLU], 1, '=', l_bluin); |
| 95 |
< |
funset(vbrtin, 1, '=', l_brtin); |
| 96 |
< |
|
| 97 |
< |
for (a = 1; a < argc; a++) |
| 67 |
> |
/* scan options */ |
| 68 |
> |
for (a = 1; a < argc; a++) { |
| 69 |
|
if (argv[a][0] == '-') |
| 70 |
|
switch (argv[a][1]) { |
| 100 |
– |
case '\0': |
| 101 |
– |
case 's': |
| 102 |
– |
case 'c': |
| 103 |
– |
goto getfiles; |
| 71 |
|
case 'x': |
| 72 |
|
xres = atoi(argv[++a]); |
| 73 |
< |
break; |
| 73 |
> |
continue; |
| 74 |
|
case 'y': |
| 75 |
|
yres = atoi(argv[++a]); |
| 76 |
< |
break; |
| 76 |
> |
continue; |
| 77 |
|
case 'w': |
| 78 |
|
nowarn = !nowarn; |
| 79 |
< |
break; |
| 113 |
< |
case 'o': |
| 114 |
< |
original = !original; |
| 115 |
< |
break; |
| 79 |
> |
continue; |
| 80 |
|
case 'f': |
| 117 |
– |
fcompile(argv[++a]); |
| 118 |
– |
break; |
| 81 |
|
case 'e': |
| 82 |
< |
scompile(argv[++a], NULL, 0); |
| 83 |
< |
break; |
| 122 |
< |
default: |
| 123 |
< |
goto usage; |
| 82 |
> |
a++; |
| 83 |
> |
continue; |
| 84 |
|
} |
| 85 |
< |
else |
| 86 |
< |
break; |
| 87 |
< |
getfiles: |
| 88 |
< |
for (nfiles = 0; nfiles < MAXINP; nfiles++) |
| 85 |
> |
break; |
| 86 |
> |
} |
| 87 |
> |
/* process files */ |
| 88 |
> |
for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
| 89 |
|
setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
| 90 |
+ |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
| 91 |
+ |
} |
| 92 |
|
nfiles = 0; |
| 93 |
|
for ( ; a < argc; a++) { |
| 94 |
|
if (nfiles >= MAXINP) { |
| 102 |
|
input[nfiles].name = "<stdin>"; |
| 103 |
|
input[nfiles].fp = stdin; |
| 104 |
|
break; |
| 105 |
+ |
case 'o': |
| 106 |
+ |
original++; |
| 107 |
+ |
break; |
| 108 |
|
case 's': |
| 109 |
|
f = atof(argv[++a]); |
| 110 |
|
scalecolor(input[nfiles].coef, f); |
| 125 |
|
quit(1); |
| 126 |
|
} |
| 127 |
|
} |
| 128 |
< |
fputs(input[nfiles].name, stdout); |
| 129 |
< |
fputs(":\n", stdout); |
| 165 |
< |
getheader(input[nfiles].fp, tputs, NULL); |
| 166 |
< |
if (wrongformat) { |
| 167 |
< |
eputs(input[nfiles].name); |
| 168 |
< |
eputs(": not in Radiance picture format\n"); |
| 169 |
< |
quit(1); |
| 170 |
< |
} |
| 171 |
< |
if (fgetresolu(&xpos, &ypos, input[nfiles].fp) != |
| 172 |
< |
(YMAJOR|YDECR)) { |
| 173 |
< |
eputs(input[nfiles].name); |
| 174 |
< |
eputs(": bad picture size\n"); |
| 175 |
< |
quit(1); |
| 176 |
< |
} |
| 177 |
< |
if (xres == 0 && yres == 0) { |
| 178 |
< |
xres = xpos; |
| 179 |
< |
yres = ypos; |
| 180 |
< |
} else if (xpos != xres || ypos != yres) { |
| 181 |
< |
eputs(argv[0]); |
| 182 |
< |
eputs(": resolution mismatch\n"); |
| 183 |
< |
quit(1); |
| 184 |
< |
} |
| 185 |
< |
for (i = 0; i < WINSIZ; i++) |
| 186 |
< |
input[nfiles].scan[i] = |
| 187 |
< |
(COLOR *)emalloc(xres*sizeof(COLOR)); |
| 128 |
> |
checkfile(); |
| 129 |
> |
original = 0; |
| 130 |
|
nfiles++; |
| 131 |
|
} |
| 132 |
+ |
init(); /* set constant expressions */ |
| 133 |
+ |
/* go back and get expressions */ |
| 134 |
+ |
for (a = 1; a < argc; a++) { |
| 135 |
+ |
if (argv[a][0] == '-') |
| 136 |
+ |
switch (argv[a][1]) { |
| 137 |
+ |
case 'x': |
| 138 |
+ |
case 'y': |
| 139 |
+ |
a++; |
| 140 |
+ |
continue; |
| 141 |
+ |
case 'w': |
| 142 |
+ |
continue; |
| 143 |
+ |
case 'f': |
| 144 |
+ |
fcompile(argv[++a]); |
| 145 |
+ |
continue; |
| 146 |
+ |
case 'e': |
| 147 |
+ |
scompile(argv[++a], NULL, 0); |
| 148 |
+ |
continue; |
| 149 |
+ |
} |
| 150 |
+ |
break; |
| 151 |
+ |
} |
| 152 |
+ |
/* complete header */ |
| 153 |
|
printargs(argc, argv, stdout); |
| 154 |
|
fputformat(COLRFMT, stdout); |
| 155 |
|
putchar('\n'); |
| 156 |
|
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
| 157 |
+ |
/* combine pictures */ |
| 158 |
|
combine(); |
| 159 |
|
quit(0); |
| 160 |
|
usage: |
| 166 |
|
} |
| 167 |
|
|
| 168 |
|
|
| 169 |
+ |
tputs(s) /* put out string preceded by a tab */ |
| 170 |
+ |
char *s; |
| 171 |
+ |
{ |
| 172 |
+ |
char fmt[32]; |
| 173 |
+ |
double d; |
| 174 |
+ |
COLOR ctmp; |
| 175 |
+ |
|
| 176 |
+ |
if (isformat(s)) { /* check format */ |
| 177 |
+ |
formatval(fmt, s); |
| 178 |
+ |
wrongformat = strcmp(fmt, COLRFMT); |
| 179 |
+ |
return; /* don't echo */ |
| 180 |
+ |
} |
| 181 |
+ |
if (isexpos(s)) { /* exposure */ |
| 182 |
+ |
d = exposval(s); |
| 183 |
+ |
scalecolor(input[nfiles].expos, d); |
| 184 |
+ |
if (original) |
| 185 |
+ |
scalecolor(input[nfiles].coef, 1.0/d); |
| 186 |
+ |
} else if (iscolcor(s)) { /* color correction */ |
| 187 |
+ |
colcorval(ctmp, s); |
| 188 |
+ |
multcolor(input[nfiles].expos, ctmp); |
| 189 |
+ |
if (original) { |
| 190 |
+ |
colval(input[nfiles].coef,RED) /= colval(ctmp,RED); |
| 191 |
+ |
colval(input[nfiles].coef,GRN) /= colval(ctmp,GRN); |
| 192 |
+ |
colval(input[nfiles].coef,BLU) /= colval(ctmp,BLU); |
| 193 |
+ |
} |
| 194 |
+ |
} |
| 195 |
+ |
/* echo line */ |
| 196 |
+ |
putchar('\t'); |
| 197 |
+ |
fputs(s, stdout); |
| 198 |
+ |
} |
| 199 |
+ |
|
| 200 |
+ |
|
| 201 |
+ |
checkfile() /* ready a file */ |
| 202 |
+ |
{ |
| 203 |
+ |
register int i; |
| 204 |
+ |
/* process header */ |
| 205 |
+ |
fputs(input[nfiles].name, stdout); |
| 206 |
+ |
fputs(":\n", stdout); |
| 207 |
+ |
getheader(input[nfiles].fp, tputs, NULL); |
| 208 |
+ |
if (wrongformat) { |
| 209 |
+ |
eputs(input[nfiles].name); |
| 210 |
+ |
eputs(": not in Radiance picture format\n"); |
| 211 |
+ |
quit(1); |
| 212 |
+ |
} |
| 213 |
+ |
if (fgetresolu(&xpos, &ypos, input[nfiles].fp) != (YMAJOR|YDECR)) { |
| 214 |
+ |
eputs(input[nfiles].name); |
| 215 |
+ |
eputs(": bad picture size\n"); |
| 216 |
+ |
quit(1); |
| 217 |
+ |
} |
| 218 |
+ |
if (xres == 0 && yres == 0) { |
| 219 |
+ |
xres = xpos; |
| 220 |
+ |
yres = ypos; |
| 221 |
+ |
} else if (xpos != xres || ypos != yres) { |
| 222 |
+ |
eputs(input[nfiles].name); |
| 223 |
+ |
eputs(": resolution mismatch\n"); |
| 224 |
+ |
quit(1); |
| 225 |
+ |
} |
| 226 |
+ |
/* allocate scanlines */ |
| 227 |
+ |
for (i = 0; i < WINSIZ; i++) |
| 228 |
+ |
input[nfiles].scan[i] = (COLOR *)emalloc(xres*sizeof(COLOR)); |
| 229 |
+ |
} |
| 230 |
+ |
|
| 231 |
+ |
|
| 232 |
+ |
init() /* perform final setup */ |
| 233 |
+ |
{ |
| 234 |
+ |
double l_colin(), l_expos(); |
| 235 |
+ |
register int i; |
| 236 |
+ |
/* prime input */ |
| 237 |
+ |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
| 238 |
+ |
advance(); |
| 239 |
+ |
/* define constants */ |
| 240 |
+ |
varset(vnfiles, ':', (double)nfiles); |
| 241 |
+ |
varset(vxres, ':', (double)xres); |
| 242 |
+ |
varset(vyres, ':', (double)yres); |
| 243 |
+ |
/* set functions */ |
| 244 |
+ |
for (i = 0; i < 3; i++) { |
| 245 |
+ |
funset(vcolexp[i], 1, ':', l_expos); |
| 246 |
+ |
funset(vcolin[i], 1, '=', l_colin); |
| 247 |
+ |
} |
| 248 |
+ |
funset(vbrtexp, 1, ':', l_expos); |
| 249 |
+ |
funset(vbrtin, 1, '=', l_colin); |
| 250 |
+ |
} |
| 251 |
+ |
|
| 252 |
+ |
|
| 253 |
|
combine() /* combine pictures */ |
| 254 |
|
{ |
| 255 |
|
EPNODE *coldef[3], *brtdef; |
| 267 |
|
brtdef = eparse(vbrtout); |
| 268 |
|
else |
| 269 |
|
brtdef = NULL; |
| 222 |
– |
/* define constants */ |
| 223 |
– |
varset(vnfiles, ':', (double)nfiles); |
| 224 |
– |
varset(vxres, ':', (double)xres); |
| 225 |
– |
varset(vyres, ':', (double)yres); |
| 270 |
|
/* allocate scanline */ |
| 271 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
| 228 |
– |
/* initialize input */ |
| 229 |
– |
initinp(); |
| 272 |
|
/* combine files */ |
| 273 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
| 274 |
|
advance(); |
| 305 |
|
} |
| 306 |
|
|
| 307 |
|
|
| 266 |
– |
initinp() /* initilize scan windows */ |
| 267 |
– |
{ |
| 268 |
– |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
| 269 |
– |
advance(); |
| 270 |
– |
} |
| 271 |
– |
|
| 272 |
– |
|
| 308 |
|
advance() /* read in next scanline */ |
| 309 |
|
{ |
| 310 |
|
register COLOR *st; |
| 329 |
|
|
| 330 |
|
|
| 331 |
|
double |
| 332 |
< |
colin(ci) /* return color value for picture */ |
| 333 |
< |
register int ci; |
| 332 |
> |
l_expos(nam) /* return picture exposure */ |
| 333 |
> |
register char *nam; |
| 334 |
|
{ |
| 335 |
< |
int n, fn; |
| 301 |
< |
register int xoff, yoff; |
| 335 |
> |
register int fn, n; |
| 336 |
|
double d; |
| 337 |
|
|
| 338 |
< |
fn = (d = argument(1)) - .5; |
| 339 |
< |
if (d <= -.5 || fn >= nfiles) { |
| 338 |
> |
d = argument(1); |
| 339 |
> |
if (d > -.5 && d < .5) |
| 340 |
> |
return((double)nfiles); |
| 341 |
> |
fn = d - .5; |
| 342 |
> |
if (fn < 0 || fn >= nfiles) { |
| 343 |
|
errno = EDOM; |
| 344 |
|
return(0.0); |
| 345 |
|
} |
| 346 |
< |
if (d < .5) |
| 346 |
> |
if (nam == vbrtexp) |
| 347 |
> |
return(bright(input[fn].expos)); |
| 348 |
> |
n = 3; |
| 349 |
> |
while (n--) |
| 350 |
> |
if (nam == vcolexp[n]) |
| 351 |
> |
return(colval(input[fn].expos,n)); |
| 352 |
> |
eputs("Bad call to l_expos()!\n"); |
| 353 |
> |
quit(1); |
| 354 |
> |
} |
| 355 |
> |
|
| 356 |
> |
|
| 357 |
> |
double |
| 358 |
> |
l_colin(nam) /* return color value for picture */ |
| 359 |
> |
register char *nam; |
| 360 |
> |
{ |
| 361 |
> |
int fn; |
| 362 |
> |
register int n, xoff, yoff; |
| 363 |
> |
double d; |
| 364 |
> |
|
| 365 |
> |
d = argument(1); |
| 366 |
> |
if (d > -.5 && d < .5) |
| 367 |
|
return((double)nfiles); |
| 368 |
+ |
fn = d - .5; |
| 369 |
+ |
if (fn < 0 || fn >= nfiles) { |
| 370 |
+ |
errno = EDOM; |
| 371 |
+ |
return(0.0); |
| 372 |
+ |
} |
| 373 |
|
xoff = yoff = 0; |
| 374 |
|
n = nargum(); |
| 375 |
|
if (n >= 2) { |
| 400 |
|
yoff = yres-1-ypos; |
| 401 |
|
} |
| 402 |
|
} |
| 403 |
< |
if (ci == BRT) |
| 403 |
> |
if (nam == vbrtin) |
| 404 |
|
return(bright(input[fn].scan[MIDSCN+yoff][xpos+xoff])); |
| 405 |
< |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],ci)); |
| 406 |
< |
} |
| 407 |
< |
|
| 408 |
< |
|
| 409 |
< |
double |
| 410 |
< |
l_redin() /* get red color */ |
| 349 |
< |
{ |
| 350 |
< |
return(colin(RED)); |
| 351 |
< |
} |
| 352 |
< |
|
| 353 |
< |
|
| 354 |
< |
double |
| 355 |
< |
l_grnin() /* get green color */ |
| 356 |
< |
{ |
| 357 |
< |
return(colin(GRN)); |
| 358 |
< |
} |
| 359 |
< |
|
| 360 |
< |
|
| 361 |
< |
double |
| 362 |
< |
l_bluin() /* get blue color */ |
| 363 |
< |
{ |
| 364 |
< |
return(colin(BLU)); |
| 365 |
< |
} |
| 366 |
< |
|
| 367 |
< |
|
| 368 |
< |
double |
| 369 |
< |
l_brtin() /* get brightness value */ |
| 370 |
< |
{ |
| 371 |
< |
return(colin(BRT)); |
| 405 |
> |
n = 3; |
| 406 |
> |
while (n--) |
| 407 |
> |
if (nam == vcolin[n]) |
| 408 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],n)); |
| 409 |
> |
eputs("Bad call to l_colin()!\n"); |
| 410 |
> |
quit(1); |
| 411 |
|
} |
| 412 |
|
|
| 413 |
|
|