1 |
– |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
– |
|
4 |
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/* |
5 |
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* Combine picture files according to calcomp functions. |
6 |
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* |
7 |
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* 1/4/89 |
8 |
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*/ |
9 |
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|
10 |
< |
#include <stdio.h> |
14 |
< |
|
15 |
< |
#include <errno.h> |
16 |
< |
|
10 |
> |
#include "standard.h" |
11 |
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#include "color.h" |
18 |
– |
|
12 |
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#include "calcomp.h" |
13 |
+ |
#include "view.h" |
14 |
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|
15 |
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#define MAXINP 32 /* maximum number of input files */ |
16 |
< |
#define WINSIZ 9 /* scanline window size */ |
17 |
< |
#define MIDSCN 4 /* current scan position */ |
16 |
> |
#define WINSIZ 64 /* scanline window size */ |
17 |
> |
#define MIDSCN ((WINSIZ-1)/2+1) |
18 |
|
|
25 |
– |
#define BRT (-1) /* special index for brightness */ |
26 |
– |
|
19 |
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struct { |
20 |
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char *name; /* file or command name */ |
21 |
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FILE *fp; /* stream pointer */ |
22 |
+ |
VIEW vw; /* view for picture */ |
23 |
+ |
RESOLU rs; /* image resolution and orientation */ |
24 |
+ |
float pa; /* pixel aspect ratio */ |
25 |
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COLOR *scan[WINSIZ]; /* input scanline window */ |
26 |
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COLOR coef; /* coefficient */ |
27 |
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COLOR expos; /* recorded exposure */ |
29 |
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|
30 |
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int nfiles; /* number of input files */ |
31 |
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|
32 |
< |
char *vcolin[3] = {"ri", "gi", "bi"}; |
33 |
< |
char *vcolout[3] = {"ro", "go", "bo"}; |
32 |
> |
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
33 |
> |
|
34 |
> |
char Command[] = "<Command>"; |
35 |
> |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
36 |
> |
char vcolout[3][4] = {"ro", "go", "bo"}; |
37 |
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char vbrtin[] = "li"; |
38 |
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char vbrtout[] = "lo"; |
39 |
< |
char *vcolexp[3] = {"re", "ge", "be"}; |
39 |
> |
char vcolexp[3][4] = {"re", "ge", "be"}; |
40 |
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char vbrtexp[] = "le"; |
41 |
+ |
char vpixaspect[] = "pa"; |
42 |
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|
43 |
+ |
char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
44 |
+ |
|
45 |
+ |
char vpsize[] = "S"; |
46 |
+ |
|
47 |
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char vnfiles[] = "nfiles"; |
48 |
+ |
char vwhteff[] = "WE"; |
49 |
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char vxmax[] = "xmax"; |
50 |
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char vymax[] = "ymax"; |
51 |
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char vxres[] = "xres"; |
63 |
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|
64 |
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int xpos, ypos; /* output position */ |
65 |
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|
66 |
+ |
char *progname; /* global argv[0] */ |
67 |
+ |
|
68 |
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int wrongformat = 0; |
69 |
+ |
int gotview; |
70 |
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|
71 |
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FILE *popen(); |
72 |
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|
73 |
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extern char *emalloc(); |
74 |
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|
75 |
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|
76 |
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main(argc, argv) |
77 |
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int argc; |
78 |
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char *argv[]; |
79 |
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{ |
71 |
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char buf[128]; |
80 |
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int original; |
81 |
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double f; |
82 |
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int a, i; |
83 |
+ |
SET_DEFAULT_BINARY(); |
84 |
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SET_FILE_BINARY(stdin); |
85 |
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SET_FILE_BINARY(stdout); |
86 |
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progname = argv[0]; |
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/* scan options */ |
88 |
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for (a = 1; a < argc; a++) { |
89 |
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if (argv[a][0] == '-') |
102 |
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} |
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break; |
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} |
105 |
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newheader("RADIANCE", stdout); /* start header */ |
106 |
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fputnow(stdout); |
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/* process files */ |
108 |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
109 |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
110 |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
111 |
+ |
copystruct(&input[nfiles].vw, &stdview); |
112 |
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input[nfiles].pa = 1.0; |
113 |
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} |
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nfiles = 0; |
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original = 0; |
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break; |
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case 'o': |
129 |
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original++; |
130 |
< |
break; |
130 |
> |
continue; |
131 |
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case 's': |
132 |
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f = atof(argv[++a]); |
133 |
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scalecolor(input[nfiles].coef, f); |
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goto usage; |
142 |
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} |
143 |
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else { |
144 |
< |
input[nfiles].name = argv[a]; |
145 |
< |
input[nfiles].fp = argv[a][0]=='!' ? |
146 |
< |
popen(argv[a]+1, "r") : |
147 |
< |
fopen(argv[a], "r"); |
144 |
> |
if (argv[a][0] == '!') { |
145 |
> |
input[nfiles].name = Command; |
146 |
> |
input[nfiles].fp = popen(argv[a]+1, "r"); |
147 |
> |
} else { |
148 |
> |
input[nfiles].name = argv[a]; |
149 |
> |
input[nfiles].fp = fopen(argv[a], "r"); |
150 |
> |
} |
151 |
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if (input[nfiles].fp == NULL) { |
152 |
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perror(argv[a]); |
153 |
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quit(1); |
161 |
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colval(input[nfiles].expos,GRN); |
162 |
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colval(input[nfiles].coef,BLU) /= |
163 |
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colval(input[nfiles].expos,BLU); |
164 |
+ |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
165 |
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} |
166 |
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nfiles++; |
167 |
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original = 0; |
172 |
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if (argv[a][0] == '-') |
173 |
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switch (argv[a][1]) { |
174 |
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case 'x': |
175 |
< |
strcpy(buf, vxres); |
156 |
< |
strcat(buf, ":"); |
157 |
< |
strcat(buf, argv[++a]); |
158 |
< |
scompile(buf, NULL, 0); |
175 |
> |
varset(vxres, ':', eval(argv[++a])); |
176 |
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continue; |
177 |
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case 'y': |
178 |
< |
strcpy(buf, vyres); |
162 |
< |
strcat(buf, ":"); |
163 |
< |
strcat(buf, argv[++a]); |
164 |
< |
scompile(buf, NULL, 0); |
178 |
> |
varset(vyres, ':', eval(argv[++a])); |
179 |
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continue; |
180 |
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case 'w': |
181 |
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continue; |
202 |
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} |
203 |
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/* complete header */ |
204 |
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printargs(argc, argv, stdout); |
205 |
< |
fputformat(COLRFMT, stdout); |
205 |
> |
if (strcmp(ourfmt, PICFMT)) |
206 |
> |
fputformat(ourfmt, stdout); /* print format if known */ |
207 |
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putchar('\n'); |
208 |
< |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
208 |
> |
fprtresolu(xres, yres, stdout); |
209 |
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/* combine pictures */ |
210 |
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combine(); |
211 |
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quit(0); |
213 |
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eputs("Usage: "); |
214 |
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eputs(argv[0]); |
215 |
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eputs( |
216 |
< |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
216 |
> |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
217 |
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quit(1); |
218 |
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} |
219 |
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|
220 |
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|
221 |
< |
tputs(s) /* put out string preceded by a tab */ |
221 |
> |
tabputs(s) /* put out string preceded by a tab */ |
222 |
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char *s; |
223 |
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{ |
224 |
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char fmt[32]; |
225 |
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double d; |
226 |
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COLOR ctmp; |
227 |
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|
228 |
< |
if (isformat(s)) { /* check format */ |
229 |
< |
formatval(fmt, s); |
230 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
231 |
< |
return; /* don't echo */ |
228 |
> |
if (isheadid(s)) /* header id */ |
229 |
> |
return(0); /* don't echo */ |
230 |
> |
if (formatval(fmt, s)) { /* check format */ |
231 |
> |
if (globmatch(ourfmt, fmt)) { |
232 |
> |
wrongformat = 0; |
233 |
> |
strcpy(ourfmt, fmt); |
234 |
> |
} else |
235 |
> |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
236 |
> |
return(0); /* don't echo */ |
237 |
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} |
238 |
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if (isexpos(s)) { /* exposure */ |
239 |
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d = exposval(s); |
241 |
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} else if (iscolcor(s)) { /* color correction */ |
242 |
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colcorval(ctmp, s); |
243 |
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multcolor(input[nfiles].expos, ctmp); |
244 |
< |
} |
244 |
> |
} else if (isaspect(s)) |
245 |
> |
input[nfiles].pa *= aspectval(s); |
246 |
> |
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
247 |
> |
gotview++; |
248 |
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/* echo line */ |
249 |
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putchar('\t'); |
250 |
< |
fputs(s, stdout); |
250 |
> |
return(fputs(s, stdout)); |
251 |
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} |
252 |
|
|
253 |
|
|
254 |
|
checkfile() /* ready a file */ |
255 |
|
{ |
233 |
– |
int xinp, yinp; |
256 |
|
register int i; |
257 |
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/* process header */ |
258 |
+ |
gotview = 0; |
259 |
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fputs(input[nfiles].name, stdout); |
260 |
|
fputs(":\n", stdout); |
261 |
< |
getheader(input[nfiles].fp, tputs, NULL); |
262 |
< |
if (wrongformat) { |
261 |
> |
getheader(input[nfiles].fp, tabputs, NULL); |
262 |
> |
if (wrongformat < 0) { |
263 |
|
eputs(input[nfiles].name); |
264 |
< |
eputs(": not in Radiance picture format\n"); |
264 |
> |
eputs(": not a Radiance picture\n"); |
265 |
|
quit(1); |
266 |
|
} |
267 |
< |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) != (YMAJOR|YDECR)) { |
267 |
> |
if (wrongformat > 0) { |
268 |
> |
wputs(input[nfiles].name); |
269 |
> |
wputs(": warning -- incompatible picture format\n"); |
270 |
> |
} |
271 |
> |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
272 |
> |
input[nfiles].vw.type = 0; |
273 |
> |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
274 |
|
eputs(input[nfiles].name); |
275 |
|
eputs(": bad picture size\n"); |
276 |
|
quit(1); |
277 |
|
} |
278 |
|
if (xmax == 0 && ymax == 0) { |
279 |
< |
xmax = xinp; |
280 |
< |
ymax = yinp; |
281 |
< |
} else if (xinp != xmax || yinp != ymax) { |
279 |
> |
xmax = scanlen(&input[nfiles].rs); |
280 |
> |
ymax = numscans(&input[nfiles].rs); |
281 |
> |
} else if (scanlen(&input[nfiles].rs) != xmax || |
282 |
> |
numscans(&input[nfiles].rs) != ymax) { |
283 |
|
eputs(input[nfiles].name); |
284 |
|
eputs(": resolution mismatch\n"); |
285 |
|
quit(1); |
290 |
|
} |
291 |
|
|
292 |
|
|
293 |
+ |
double |
294 |
+ |
rgb_bright(clr) |
295 |
+ |
COLOR clr; |
296 |
+ |
{ |
297 |
+ |
return(bright(clr)); |
298 |
+ |
} |
299 |
+ |
|
300 |
+ |
|
301 |
+ |
double |
302 |
+ |
xyz_bright(clr) |
303 |
+ |
COLOR clr; |
304 |
+ |
{ |
305 |
+ |
return(clr[CIEY]); |
306 |
+ |
} |
307 |
+ |
|
308 |
+ |
|
309 |
+ |
double (*ourbright)() = rgb_bright; |
310 |
+ |
|
311 |
+ |
|
312 |
|
init() /* perform final setup */ |
313 |
|
{ |
314 |
< |
double l_colin(), l_expos(); |
314 |
> |
double l_colin(), l_expos(), l_pixaspect(), l_ray(), l_psize(); |
315 |
|
register int i; |
316 |
|
/* define constants */ |
317 |
+ |
varset("PI", ':', PI); |
318 |
|
varset(vnfiles, ':', (double)nfiles); |
319 |
|
varset(vxmax, ':', (double)xmax); |
320 |
|
varset(vymax, ':', (double)ymax); |
325 |
|
} |
326 |
|
funset(vbrtexp, 1, ':', l_expos); |
327 |
|
funset(vbrtin, 1, '=', l_colin); |
328 |
+ |
funset(vpixaspect, 1, ':', l_pixaspect); |
329 |
+ |
for (i = 0; i < 7; i++) |
330 |
+ |
funset(vray[i], 1, '=', l_ray); |
331 |
+ |
funset(vpsize, 1, '=', l_psize); |
332 |
+ |
/* set brightness function */ |
333 |
+ |
if (!strcmp(ourfmt, CIEFMT)) { |
334 |
+ |
varset(vwhteff, ':', 1.0); |
335 |
+ |
ourbright = xyz_bright; |
336 |
+ |
} else |
337 |
+ |
varset(vwhteff, ':', WHTEFFICACY); |
338 |
|
} |
339 |
|
|
340 |
|
|
392 |
|
quit(1); |
393 |
|
} |
394 |
|
} |
395 |
< |
efree(scanout); |
395 |
> |
efree((char *)scanout); |
396 |
|
} |
397 |
|
|
398 |
|
|
410 |
|
input[i].scan[0] = st; |
411 |
|
if (yscan <= MIDSCN) /* hit bottom? */ |
412 |
|
continue; |
413 |
< |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
413 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
414 |
|
eputs(input[i].name); |
415 |
|
eputs(": read error\n"); |
416 |
|
quit(1); |
417 |
|
} |
418 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
419 |
< |
multcolor(st[j], input[i].coef); |
418 |
> |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
419 |
> |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
420 |
> |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
421 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
422 |
> |
multcolor(st[j], input[i].coef); |
423 |
|
} |
424 |
|
} |
425 |
|
|
434 |
|
if (fn < 0 || fn >= nfiles) |
435 |
|
return(1.0); |
436 |
|
if (nam == vbrtexp) |
437 |
< |
return(bright(input[fn].expos)); |
437 |
> |
return((*ourbright)(input[fn].expos)); |
438 |
|
n = 3; |
439 |
|
while (n--) |
440 |
|
if (nam == vcolexp[n]) |
445 |
|
|
446 |
|
|
447 |
|
double |
448 |
+ |
l_pixaspect() /* return pixel aspect ratio */ |
449 |
+ |
{ |
450 |
+ |
register int fn; |
451 |
+ |
|
452 |
+ |
fn = argument(1) - .5; |
453 |
+ |
if (fn < 0 || fn >= nfiles) |
454 |
+ |
return(1.0); |
455 |
+ |
return(input[fn].pa); |
456 |
+ |
} |
457 |
+ |
|
458 |
+ |
|
459 |
+ |
double |
460 |
|
l_colin(nam) /* return color value for picture */ |
461 |
|
register char *nam; |
462 |
|
{ |
464 |
|
register int n, xoff, yoff; |
465 |
|
double d; |
466 |
|
|
467 |
< |
d = argument(1); |
393 |
< |
if (d > -.5 && d < .5) |
394 |
< |
return((double)nfiles); |
395 |
< |
fn = d - .5; |
467 |
> |
fn = argument(1) - .5; |
468 |
|
if (fn < 0 || fn >= nfiles) { |
469 |
|
errno = EDOM; |
470 |
|
return(0.0); |
500 |
|
} |
501 |
|
} |
502 |
|
if (nam == vbrtin) |
503 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
503 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
504 |
|
n = 3; |
505 |
|
while (n--) |
506 |
|
if (nam == vcolin[n]) |
510 |
|
} |
511 |
|
|
512 |
|
|
513 |
+ |
double |
514 |
+ |
l_ray(nam) /* return ray origin or direction */ |
515 |
+ |
register char *nam; |
516 |
+ |
{ |
517 |
+ |
static unsigned long ltick[MAXINP]; |
518 |
+ |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
519 |
+ |
static double ldist[MAXINP]; |
520 |
+ |
FLOAT loc[2]; |
521 |
+ |
int fn; |
522 |
+ |
register int i; |
523 |
+ |
|
524 |
+ |
fn = argument(1) - .5; |
525 |
+ |
if (fn < 0 || fn >= nfiles) { |
526 |
+ |
errno = EDOM; |
527 |
+ |
return(0.0); |
528 |
+ |
} |
529 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
530 |
+ |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
531 |
+ |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
532 |
+ |
ldist[fn] = -1.0; |
533 |
+ |
if (input[fn].vw.type == 0) |
534 |
+ |
errno = EDOM; |
535 |
+ |
else { |
536 |
+ |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
537 |
+ |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
538 |
+ |
&input[fn].vw, loc[0], loc[1]); |
539 |
+ |
} |
540 |
+ |
ltick[fn] = eclock; |
541 |
+ |
} |
542 |
+ |
if (nam == vray[i=6]) |
543 |
+ |
return(ldist[fn]); |
544 |
+ |
while (i--) |
545 |
+ |
if (nam == vray[i]) |
546 |
+ |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
547 |
+ |
eputs("Bad call to l_ray()!\n"); |
548 |
+ |
quit(1); |
549 |
+ |
} |
550 |
+ |
|
551 |
+ |
|
552 |
+ |
double |
553 |
+ |
l_psize() /* compute pixel size in steradians */ |
554 |
+ |
{ |
555 |
+ |
static unsigned long ltick[MAXINP]; |
556 |
+ |
static double psize[MAXINP]; |
557 |
+ |
FVECT dir0, org, dirx, diry; |
558 |
+ |
FLOAT locx[2], locy[2]; |
559 |
+ |
double d; |
560 |
+ |
int fn; |
561 |
+ |
register int i; |
562 |
+ |
|
563 |
+ |
d = argument(1); |
564 |
+ |
if (d < .5 || d >= nfiles+.5) { |
565 |
+ |
errno = EDOM; |
566 |
+ |
return(0.0); |
567 |
+ |
} |
568 |
+ |
fn = d - .5; |
569 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
570 |
+ |
psize[fn] = 0.0; |
571 |
+ |
if (input[fn].vw.type == 0) |
572 |
+ |
errno = EDOM; |
573 |
+ |
else if (input[fn].vw.type != VT_PAR && |
574 |
+ |
funvalue(vray[6], 1, &d) >= 0) { |
575 |
+ |
for (i = 0; i < 3; i++) |
576 |
+ |
dir0[i] = funvalue(vray[3+i], 1, &d); |
577 |
+ |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
578 |
+ |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
579 |
+ |
if (viewray(org, dirx, &input[fn].vw, |
580 |
+ |
locx[0], locx[1]) >= 0 && |
581 |
+ |
viewray(org, diry, &input[fn].vw, |
582 |
+ |
locy[0], locy[1]) >= 0) { |
583 |
+ |
/* approximate solid angle */ |
584 |
+ |
for (i = 0; i < 3; i++) { |
585 |
+ |
dirx[i] -= dir0[i]; |
586 |
+ |
diry[i] -= dir0[i]; |
587 |
+ |
} |
588 |
+ |
fcross(dir0, dirx, diry); |
589 |
+ |
psize[fn] = sqrt(DOT(dir0,dir0)); |
590 |
+ |
} |
591 |
+ |
} |
592 |
+ |
ltick[fn] = eclock; |
593 |
+ |
} |
594 |
+ |
return(psize[fn]); |
595 |
+ |
} |
596 |
+ |
|
597 |
+ |
|
598 |
+ |
void |
599 |
|
wputs(msg) |
600 |
|
char *msg; |
601 |
|
{ |
604 |
|
} |
605 |
|
|
606 |
|
|
607 |
+ |
void |
608 |
|
eputs(msg) |
609 |
|
char *msg; |
610 |
|
{ |
612 |
|
} |
613 |
|
|
614 |
|
|
615 |
< |
quit(code) |
616 |
< |
int code; |
615 |
> |
void |
616 |
> |
quit(code) /* exit gracefully */ |
617 |
> |
int code; |
618 |
|
{ |
619 |
+ |
register int i; |
620 |
+ |
/* close input files */ |
621 |
+ |
for (i = 0; i < nfiles; i++) |
622 |
+ |
if (input[i].name == Command) |
623 |
+ |
pclose(input[i].fp); |
624 |
+ |
else |
625 |
+ |
fclose(input[i].fp); |
626 |
|
exit(code); |
627 |
|
} |