16 |
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|
17 |
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#include "color.h" |
18 |
|
|
19 |
+ |
#include "resolu.h" |
20 |
+ |
|
21 |
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#include "calcomp.h" |
22 |
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|
23 |
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#define MAXINP 32 /* maximum number of input files */ |
24 |
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#define WINSIZ 9 /* scanline window size */ |
25 |
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#define MIDSCN 4 /* current scan position */ |
26 |
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|
25 |
– |
#define BRT (-1) /* special index for brightness */ |
26 |
– |
|
27 |
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struct { |
28 |
< |
char *name; /* file name */ |
28 |
> |
char *name; /* file or command name */ |
29 |
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FILE *fp; /* stream pointer */ |
30 |
|
COLOR *scan[WINSIZ]; /* input scanline window */ |
31 |
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COLOR coef; /* coefficient */ |
34 |
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|
35 |
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int nfiles; /* number of input files */ |
36 |
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|
37 |
< |
char *vcolin[3] = {"ri", "gi", "bi"}; |
38 |
< |
char *vcolout[3] = {"ro", "go", "bo"}; |
37 |
> |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
38 |
> |
char vcolout[3][4] = {"ro", "go", "bo"}; |
39 |
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char vbrtin[] = "li"; |
40 |
|
char vbrtout[] = "lo"; |
41 |
< |
char *vcolexp[3] = {"re", "ge", "be"}; |
41 |
> |
char vcolexp[3][4] = {"re", "ge", "be"}; |
42 |
|
char vbrtexp[] = "le"; |
43 |
|
|
44 |
< |
#define vnfiles "nfiles" |
45 |
< |
#define vxres "xres" |
46 |
< |
#define vyres "yres" |
47 |
< |
#define vxpos "x" |
48 |
< |
#define vypos "y" |
44 |
> |
char vnfiles[] = "nfiles"; |
45 |
> |
char vxmax[] = "xmax"; |
46 |
> |
char vymax[] = "ymax"; |
47 |
> |
char vxres[] = "xres"; |
48 |
> |
char vyres[] = "yres"; |
49 |
> |
char vxpos[] = "x"; |
50 |
> |
char vypos[] = "y"; |
51 |
|
|
52 |
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int nowarn = 0; /* no warning messages? */ |
53 |
|
|
54 |
< |
int original = 0; /* origninal values? */ |
54 |
> |
int xmax = 0, ymax = 0; /* input resolution */ |
55 |
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|
56 |
< |
int xres=0, yres=0; /* picture resolution */ |
56 |
> |
int xscan, yscan; /* input position */ |
57 |
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|
58 |
< |
int xpos, ypos; /* picture position */ |
58 |
> |
int xres, yres; /* output resolution */ |
59 |
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|
60 |
+ |
int xpos, ypos; /* output position */ |
61 |
+ |
|
62 |
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int wrongformat = 0; |
63 |
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|
64 |
+ |
FILE *popen(); |
65 |
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|
66 |
+ |
|
67 |
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main(argc, argv) |
68 |
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int argc; |
69 |
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char *argv[]; |
70 |
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{ |
71 |
+ |
int original; |
72 |
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double f; |
73 |
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int a, i; |
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/* scan options */ |
76 |
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if (argv[a][0] == '-') |
77 |
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switch (argv[a][1]) { |
78 |
|
case 'x': |
72 |
– |
xres = atoi(argv[++a]); |
73 |
– |
continue; |
79 |
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case 'y': |
80 |
< |
yres = atoi(argv[++a]); |
80 |
> |
a++; |
81 |
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continue; |
82 |
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case 'w': |
83 |
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nowarn = !nowarn; |
95 |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
96 |
|
} |
97 |
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nfiles = 0; |
98 |
+ |
original = 0; |
99 |
|
for ( ; a < argc; a++) { |
100 |
|
if (nfiles >= MAXINP) { |
101 |
|
eputs(argv[0]); |
110 |
|
break; |
111 |
|
case 'o': |
112 |
|
original++; |
113 |
< |
break; |
113 |
> |
continue; |
114 |
|
case 's': |
115 |
|
f = atof(argv[++a]); |
116 |
|
scalecolor(input[nfiles].coef, f); |
124 |
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goto usage; |
125 |
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} |
126 |
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else { |
127 |
< |
input[nfiles].name = argv[a]; |
128 |
< |
input[nfiles].fp = fopen(argv[a], "r"); |
127 |
> |
if (argv[a][0] == '!') { |
128 |
> |
input[nfiles].name = "<Command>"; |
129 |
> |
input[nfiles].fp = popen(argv[a]+1, "r"); |
130 |
> |
} else { |
131 |
> |
input[nfiles].name = argv[a]; |
132 |
> |
input[nfiles].fp = fopen(argv[a], "r"); |
133 |
> |
} |
134 |
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if (input[nfiles].fp == NULL) { |
135 |
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perror(argv[a]); |
136 |
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quit(1); |
137 |
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} |
138 |
|
} |
139 |
|
checkfile(); |
140 |
< |
original = 0; |
140 |
> |
if (original) { |
141 |
> |
colval(input[nfiles].coef,RED) /= |
142 |
> |
colval(input[nfiles].expos,RED); |
143 |
> |
colval(input[nfiles].coef,GRN) /= |
144 |
> |
colval(input[nfiles].expos,GRN); |
145 |
> |
colval(input[nfiles].coef,BLU) /= |
146 |
> |
colval(input[nfiles].expos,BLU); |
147 |
> |
} |
148 |
|
nfiles++; |
149 |
+ |
original = 0; |
150 |
|
} |
151 |
< |
init(); /* set constant expressions */ |
151 |
> |
init(); /* set constants */ |
152 |
|
/* go back and get expressions */ |
153 |
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for (a = 1; a < argc; a++) { |
154 |
|
if (argv[a][0] == '-') |
155 |
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switch (argv[a][1]) { |
156 |
|
case 'x': |
157 |
+ |
varset(vxres, ':', eval(argv[++a])); |
158 |
+ |
continue; |
159 |
|
case 'y': |
160 |
< |
a++; |
160 |
> |
varset(vyres, ':', eval(argv[++a])); |
161 |
|
continue; |
162 |
|
case 'w': |
163 |
|
continue; |
170 |
|
} |
171 |
|
break; |
172 |
|
} |
173 |
+ |
/* set/get output resolution */ |
174 |
+ |
if (!vardefined(vxres)) |
175 |
+ |
varset(vxres, ':', (double)xmax); |
176 |
+ |
if (!vardefined(vyres)) |
177 |
+ |
varset(vyres, ':', (double)ymax); |
178 |
+ |
xres = varvalue(vxres) + .5; |
179 |
+ |
yres = varvalue(vyres) + .5; |
180 |
+ |
if (xres <= 0 || yres <= 0) { |
181 |
+ |
eputs(argv[0]); |
182 |
+ |
eputs(": illegal output resolution\n"); |
183 |
+ |
quit(1); |
184 |
+ |
} |
185 |
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/* complete header */ |
186 |
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printargs(argc, argv, stdout); |
187 |
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fputformat(COLRFMT, stdout); |
188 |
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putchar('\n'); |
189 |
< |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
189 |
> |
fprtresolu(xres, yres, stdout); |
190 |
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/* combine pictures */ |
191 |
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combine(); |
192 |
|
quit(0); |
194 |
|
eputs("Usage: "); |
195 |
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eputs(argv[0]); |
196 |
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eputs( |
197 |
< |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
197 |
> |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
198 |
|
quit(1); |
199 |
|
} |
200 |
|
|
214 |
|
if (isexpos(s)) { /* exposure */ |
215 |
|
d = exposval(s); |
216 |
|
scalecolor(input[nfiles].expos, d); |
184 |
– |
if (original) |
185 |
– |
scalecolor(input[nfiles].coef, 1.0/d); |
217 |
|
} else if (iscolcor(s)) { /* color correction */ |
218 |
|
colcorval(ctmp, s); |
219 |
|
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 |
– |
} |
220 |
|
} |
221 |
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/* echo line */ |
222 |
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putchar('\t'); |
226 |
|
|
227 |
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checkfile() /* ready a file */ |
228 |
|
{ |
229 |
+ |
int xinp, yinp; |
230 |
|
register int i; |
231 |
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/* process header */ |
232 |
|
fputs(input[nfiles].name, stdout); |
237 |
|
eputs(": not in Radiance picture format\n"); |
238 |
|
quit(1); |
239 |
|
} |
240 |
< |
if (fgetresolu(&xpos, &ypos, input[nfiles].fp) != (YMAJOR|YDECR)) { |
240 |
> |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) < 0) { |
241 |
|
eputs(input[nfiles].name); |
242 |
|
eputs(": bad picture size\n"); |
243 |
|
quit(1); |
244 |
|
} |
245 |
< |
if (xres == 0 && yres == 0) { |
246 |
< |
xres = xpos; |
247 |
< |
yres = ypos; |
248 |
< |
} else if (xpos != xres || ypos != yres) { |
245 |
> |
if (xmax == 0 && ymax == 0) { |
246 |
> |
xmax = xinp; |
247 |
> |
ymax = yinp; |
248 |
> |
} else if (xinp != xmax || yinp != ymax) { |
249 |
|
eputs(input[nfiles].name); |
250 |
|
eputs(": resolution mismatch\n"); |
251 |
|
quit(1); |
252 |
|
} |
253 |
|
/* allocate scanlines */ |
254 |
|
for (i = 0; i < WINSIZ; i++) |
255 |
< |
input[nfiles].scan[i] = (COLOR *)emalloc(xres*sizeof(COLOR)); |
255 |
> |
input[nfiles].scan[i] = (COLOR *)emalloc(xmax*sizeof(COLOR)); |
256 |
|
} |
257 |
|
|
258 |
|
|
259 |
< |
init() /* perform final setup */ |
259 |
> |
init() /* perform final setup */ |
260 |
|
{ |
261 |
|
double l_colin(), l_expos(); |
262 |
|
register int i; |
236 |
– |
/* prime input */ |
237 |
– |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
238 |
– |
advance(); |
263 |
|
/* define constants */ |
264 |
|
varset(vnfiles, ':', (double)nfiles); |
265 |
< |
varset(vxres, ':', (double)xres); |
266 |
< |
varset(vyres, ':', (double)yres); |
265 |
> |
varset(vxmax, ':', (double)xmax); |
266 |
> |
varset(vymax, ':', (double)ymax); |
267 |
|
/* set functions */ |
268 |
|
for (i = 0; i < 3; i++) { |
269 |
|
funset(vcolexp[i], 1, ':', l_expos); |
293 |
|
brtdef = NULL; |
294 |
|
/* allocate scanline */ |
295 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
296 |
+ |
/* set input position */ |
297 |
+ |
yscan = ymax+MIDSCN; |
298 |
|
/* combine files */ |
299 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
300 |
|
advance(); |
301 |
|
varset(vypos, '=', (double)ypos); |
302 |
|
for (xpos = 0; xpos < xres; xpos++) { |
303 |
+ |
xscan = (long)xpos*xmax/xres; |
304 |
|
varset(vxpos, '=', (double)xpos); |
305 |
|
eclock++; |
306 |
|
if (brtdef != NULL) { |
315 |
|
} else { |
316 |
|
d = 0.0; |
317 |
|
for (i = 0; i < nfiles; i++) |
318 |
< |
d += colval(input[i].scan[MIDSCN][xpos],j); |
318 |
> |
d += colval(input[i].scan[MIDSCN][xscan],j); |
319 |
|
} |
320 |
|
if (d < 0.0) |
321 |
|
d = 0.0; |
332 |
|
} |
333 |
|
|
334 |
|
|
335 |
< |
advance() /* read in next scanline */ |
335 |
> |
advance() /* read in data for next scanline */ |
336 |
|
{ |
337 |
+ |
extern double fabs(); |
338 |
+ |
int ytarget; |
339 |
|
register COLOR *st; |
340 |
|
register int i, j; |
341 |
|
|
342 |
< |
for (i = 0; i < nfiles; i++) { |
343 |
< |
st = input[i].scan[WINSIZ-1]; |
344 |
< |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
345 |
< |
input[i].scan[j] = input[i].scan[j-1]; |
346 |
< |
input[i].scan[0] = st; |
347 |
< |
if (ypos < MIDSCN) /* hit bottom */ |
348 |
< |
continue; |
349 |
< |
if (freadscan(st, xres, input[i].fp) < 0) { |
350 |
< |
eputs(input[i].name); |
351 |
< |
eputs(": read error\n"); |
352 |
< |
quit(1); |
342 |
> |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
343 |
> |
for (i = 0; i < nfiles; i++) { |
344 |
> |
st = input[i].scan[WINSIZ-1]; |
345 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
346 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
347 |
> |
input[i].scan[0] = st; |
348 |
> |
if (yscan <= MIDSCN) /* hit bottom? */ |
349 |
> |
continue; |
350 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
351 |
> |
eputs(input[i].name); |
352 |
> |
eputs(": read error\n"); |
353 |
> |
quit(1); |
354 |
> |
} |
355 |
> |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
356 |
> |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
357 |
> |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
358 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
359 |
> |
multcolor(st[j], input[i].coef); |
360 |
|
} |
325 |
– |
for (j = 0; j < xres; j++) /* adjust color */ |
326 |
– |
multcolor(st[j], input[i].coef); |
327 |
– |
} |
361 |
|
} |
362 |
|
|
363 |
|
|
366 |
|
register char *nam; |
367 |
|
{ |
368 |
|
register int fn, n; |
336 |
– |
double d; |
369 |
|
|
370 |
< |
d = argument(1); |
371 |
< |
if (d > -.5 && d < .5) |
372 |
< |
return((double)nfiles); |
341 |
< |
fn = d - .5; |
342 |
< |
if (fn < 0 || fn >= nfiles) { |
343 |
< |
errno = EDOM; |
344 |
< |
return(0.0); |
345 |
< |
} |
370 |
> |
fn = argument(1) - .5; |
371 |
> |
if (fn < 0 || fn >= nfiles) |
372 |
> |
return(1.0); |
373 |
|
if (nam == vbrtexp) |
374 |
|
return(bright(input[fn].expos)); |
375 |
|
n = 3; |
403 |
|
d = argument(2); |
404 |
|
if (d < 0.0) { |
405 |
|
xoff = d-.5; |
406 |
< |
if (xpos+xoff < 0) |
407 |
< |
xoff = -xpos; |
406 |
> |
if (xscan+xoff < 0) |
407 |
> |
xoff = -xscan; |
408 |
|
} else { |
409 |
|
xoff = d+.5; |
410 |
< |
if (xpos+xoff >= xres) |
411 |
< |
xoff = xres-1-xpos; |
410 |
> |
if (xscan+xoff >= xmax) |
411 |
> |
xoff = xmax-1-xscan; |
412 |
|
} |
413 |
|
} |
414 |
|
if (n >= 3) { |
417 |
|
yoff = d-.5; |
418 |
|
if (yoff+MIDSCN < 0) |
419 |
|
yoff = -MIDSCN; |
420 |
< |
if (ypos+yoff < 0) |
421 |
< |
yoff = -ypos; |
420 |
> |
if (yscan+yoff < 0) |
421 |
> |
yoff = -yscan; |
422 |
|
} else { |
423 |
|
yoff = d+.5; |
424 |
|
if (yoff+MIDSCN >= WINSIZ) |
425 |
|
yoff = WINSIZ-1-MIDSCN; |
426 |
< |
if (ypos+yoff >= yres) |
427 |
< |
yoff = yres-1-ypos; |
426 |
> |
if (yscan+yoff >= ymax) |
427 |
> |
yoff = ymax-1-yscan; |
428 |
|
} |
429 |
|
} |
430 |
|
if (nam == vbrtin) |
431 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xpos+xoff])); |
431 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
432 |
|
n = 3; |
433 |
|
while (n--) |
434 |
|
if (nam == vcolin[n]) |
435 |
< |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],n)); |
435 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
436 |
|
eputs("Bad call to l_colin()!\n"); |
437 |
|
quit(1); |
438 |
|
} |
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
+ |
#ifdef NIX |
457 |
+ |
|
458 |
|
quit(code) |
459 |
< |
int code; |
459 |
> |
int code; |
460 |
|
{ |
461 |
|
exit(code); |
462 |
|
} |
463 |
+ |
|
464 |
+ |
#else |
465 |
+ |
|
466 |
+ |
#include <signal.h> |
467 |
+ |
|
468 |
+ |
quit(code) /* exit gracefully */ |
469 |
+ |
int code; |
470 |
+ |
{ |
471 |
+ |
int status; |
472 |
+ |
|
473 |
+ |
if (code) { /* abnormal exit -- kill children */ |
474 |
+ |
signal(SIGPIPE, SIG_IGN); |
475 |
+ |
kill(0, SIGPIPE); |
476 |
+ |
} |
477 |
+ |
/* reap any children */ |
478 |
+ |
while (wait(&status) != -1) |
479 |
+ |
if (code == 0) |
480 |
+ |
code = status>>8 & 0xff; |
481 |
+ |
exit(code); |
482 |
+ |
} |
483 |
+ |
|
484 |
+ |
#endif |