1 |
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/* 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> |
11 |
< |
|
12 |
< |
#include <errno.h> |
16 |
< |
|
10 |
> |
#include "platform.h" |
11 |
> |
#include "standard.h" |
12 |
> |
#include "rtprocess.h" |
13 |
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#include "color.h" |
18 |
– |
|
14 |
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#include "calcomp.h" |
15 |
+ |
#include "view.h" |
16 |
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|
17 |
< |
#define MAXINP 32 /* maximum number of input files */ |
18 |
< |
#define WINSIZ 9 /* scanline window size */ |
19 |
< |
#define MIDSCN 4 /* current scan position */ |
17 |
> |
#define MAXINP 1024 /* maximum number of input files */ |
18 |
> |
#define WINSIZ 64 /* scanline window size */ |
19 |
> |
#define MIDSCN ((WINSIZ-1)/2+1) |
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|
21 |
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struct { |
22 |
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char *name; /* file or command name */ |
23 |
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FILE *fp; /* stream pointer */ |
24 |
+ |
VIEW vw; /* view for picture */ |
25 |
+ |
RESOLU rs; /* image resolution and orientation */ |
26 |
+ |
float pa; /* pixel aspect ratio */ |
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COLOR *scan[WINSIZ]; /* input scanline window */ |
28 |
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COLOR coef; /* coefficient */ |
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COLOR expos; /* recorded exposure */ |
31 |
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|
32 |
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int nfiles; /* number of input files */ |
33 |
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|
34 |
+ |
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
35 |
+ |
|
36 |
+ |
char StandardInput[] = "<stdin>"; |
37 |
+ |
char Command[] = "<Command>"; |
38 |
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char vcolin[3][4] = {"ri", "gi", "bi"}; |
39 |
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char vcolout[3][4] = {"ro", "go", "bo"}; |
40 |
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char vbrtin[] = "li"; |
41 |
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char vbrtout[] = "lo"; |
42 |
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char vcolexp[3][4] = {"re", "ge", "be"}; |
43 |
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char vbrtexp[] = "le"; |
44 |
+ |
char vpixaspect[] = "pa"; |
45 |
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|
46 |
+ |
char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
47 |
+ |
|
48 |
+ |
char vpsize[] = "S"; |
49 |
+ |
|
50 |
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char vnfiles[] = "nfiles"; |
51 |
+ |
char vwhteff[] = "WE"; |
52 |
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char vxmax[] = "xmax"; |
53 |
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char vymax[] = "ymax"; |
54 |
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char vxres[] = "xres"; |
66 |
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|
67 |
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int xpos, ypos; /* output position */ |
68 |
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|
69 |
+ |
char *progname; /* global argv[0] */ |
70 |
+ |
|
71 |
+ |
int echoheader = 1; |
72 |
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int wrongformat = 0; |
73 |
+ |
int gotview; |
74 |
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|
62 |
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FILE *popen(); |
75 |
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|
76 |
+ |
static gethfunc headline; |
77 |
+ |
static void checkfile(void); |
78 |
+ |
static double rgb_bright(COLOR clr); |
79 |
+ |
static double xyz_bright(COLOR clr); |
80 |
+ |
static void init(void); |
81 |
+ |
static void combine(void); |
82 |
+ |
static void advance(void); |
83 |
+ |
static double l_expos(char *nam); |
84 |
+ |
static double l_pixaspect(char *nm); |
85 |
+ |
static double l_colin(char *nam); |
86 |
+ |
static double l_ray(char *nam); |
87 |
+ |
static double l_psize(char *nm); |
88 |
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|
89 |
< |
main(argc, argv) |
90 |
< |
int argc; |
91 |
< |
char *argv[]; |
89 |
> |
|
90 |
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int |
91 |
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main( |
92 |
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int argc, |
93 |
> |
char *argv[] |
94 |
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) |
95 |
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{ |
96 |
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int original; |
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double f; |
98 |
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int a, i; |
98 |
> |
int a; |
99 |
> |
SET_DEFAULT_BINARY(); |
100 |
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SET_FILE_BINARY(stdin); |
101 |
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SET_FILE_BINARY(stdout); |
102 |
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progname = argv[0]; |
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/* scan options */ |
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for (a = 1; a < argc; a++) { |
105 |
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if (argv[a][0] == '-') |
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case 'w': |
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nowarn = !nowarn; |
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continue; |
114 |
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case 'h': |
115 |
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echoheader = !echoheader; |
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continue; |
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case 'f': |
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case 'e': |
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a++; |
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} |
122 |
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break; |
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} |
124 |
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newheader("RADIANCE", stdout); /* start header */ |
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fputnow(stdout); |
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/* process files */ |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
129 |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
130 |
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input[nfiles].vw = stdview; |
131 |
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input[nfiles].pa = 1.0; |
132 |
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} |
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nfiles = 0; |
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original = 0; |
141 |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
143 |
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case '\0': |
144 |
< |
input[nfiles].name = "<stdin>"; |
144 |
> |
input[nfiles].name = StandardInput; |
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input[nfiles].fp = stdin; |
146 |
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break; |
147 |
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case 'o': |
148 |
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original++; |
149 |
< |
break; |
149 |
> |
continue; |
150 |
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case 's': |
151 |
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f = atof(argv[++a]); |
152 |
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scalecolor(input[nfiles].coef, f); |
160 |
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goto usage; |
161 |
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} |
162 |
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else { |
163 |
< |
input[nfiles].name = argv[a]; |
164 |
< |
input[nfiles].fp = argv[a][0]=='!' ? |
165 |
< |
popen(argv[a]+1, "r") : |
166 |
< |
fopen(argv[a], "r"); |
163 |
> |
if (argv[a][0] == '!') { |
164 |
> |
input[nfiles].name = Command; |
165 |
> |
input[nfiles].fp = popen(argv[a]+1, "r"); |
166 |
> |
} else { |
167 |
> |
input[nfiles].name = argv[a]; |
168 |
> |
input[nfiles].fp = fopen(argv[a], "r"); |
169 |
> |
} |
170 |
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if (input[nfiles].fp == NULL) { |
171 |
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perror(argv[a]); |
172 |
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quit(1); |
180 |
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colval(input[nfiles].expos,GRN); |
181 |
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colval(input[nfiles].coef,BLU) /= |
182 |
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colval(input[nfiles].expos,BLU); |
183 |
+ |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
184 |
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} |
185 |
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nfiles++; |
186 |
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original = 0; |
198 |
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continue; |
199 |
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case 'w': |
200 |
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continue; |
201 |
+ |
case 'h': |
202 |
+ |
continue; |
203 |
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case 'f': |
204 |
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fcompile(argv[++a]); |
205 |
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continue; |
223 |
|
} |
224 |
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/* complete header */ |
225 |
|
printargs(argc, argv, stdout); |
226 |
< |
fputformat(COLRFMT, stdout); |
226 |
> |
if (strcmp(ourfmt, PICFMT)) |
227 |
> |
fputformat(ourfmt, stdout); /* print format if known */ |
228 |
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putchar('\n'); |
229 |
< |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
229 |
> |
fprtresolu(xres, yres, stdout); |
230 |
|
/* combine pictures */ |
231 |
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combine(); |
232 |
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quit(0); |
234 |
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eputs("Usage: "); |
235 |
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eputs(argv[0]); |
236 |
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eputs( |
237 |
< |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
237 |
> |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] hdr ..]\n"); |
238 |
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quit(1); |
239 |
+ |
return 1; /* pro forma return */ |
240 |
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} |
241 |
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|
242 |
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|
243 |
< |
tputs(s) /* put out string preceded by a tab */ |
244 |
< |
char *s; |
243 |
> |
static int |
244 |
> |
headline( /* check header line & echo if requested */ |
245 |
> |
char *s, |
246 |
> |
void *p |
247 |
> |
) |
248 |
|
{ |
249 |
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char fmt[32]; |
250 |
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double d; |
251 |
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COLOR ctmp; |
252 |
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|
253 |
< |
if (isformat(s)) { /* check format */ |
254 |
< |
formatval(fmt, s); |
255 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
256 |
< |
return; /* don't echo */ |
253 |
> |
if (isheadid(s)) /* header id */ |
254 |
> |
return(0); /* don't echo */ |
255 |
> |
if (formatval(fmt, s)) { /* check format */ |
256 |
> |
if (globmatch(ourfmt, fmt)) { |
257 |
> |
wrongformat = 0; |
258 |
> |
strcpy(ourfmt, fmt); |
259 |
> |
} else |
260 |
> |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
261 |
> |
return(0); /* don't echo */ |
262 |
|
} |
263 |
|
if (isexpos(s)) { /* exposure */ |
264 |
|
d = exposval(s); |
266 |
|
} else if (iscolcor(s)) { /* color correction */ |
267 |
|
colcorval(ctmp, s); |
268 |
|
multcolor(input[nfiles].expos, ctmp); |
269 |
+ |
} else if (isaspect(s)) |
270 |
+ |
input[nfiles].pa *= aspectval(s); |
271 |
+ |
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
272 |
+ |
gotview++; |
273 |
+ |
|
274 |
+ |
if (echoheader) { /* echo line */ |
275 |
+ |
putchar('\t'); |
276 |
+ |
return(fputs(s, stdout)); |
277 |
|
} |
278 |
< |
/* echo line */ |
217 |
< |
putchar('\t'); |
218 |
< |
fputs(s, stdout); |
278 |
> |
return(0); |
279 |
|
} |
280 |
|
|
281 |
|
|
282 |
< |
checkfile() /* ready a file */ |
282 |
> |
static void |
283 |
> |
checkfile(void) /* ready a file */ |
284 |
|
{ |
224 |
– |
int xinp, yinp; |
285 |
|
register int i; |
286 |
|
/* process header */ |
287 |
< |
fputs(input[nfiles].name, stdout); |
288 |
< |
fputs(":\n", stdout); |
289 |
< |
getheader(input[nfiles].fp, tputs, NULL); |
290 |
< |
if (wrongformat) { |
287 |
> |
gotview = 0; |
288 |
> |
if (echoheader) { |
289 |
> |
fputs(input[nfiles].name, stdout); |
290 |
> |
fputs(":\n", stdout); |
291 |
> |
} |
292 |
> |
getheader(input[nfiles].fp, headline, NULL); |
293 |
> |
if (wrongformat < 0) { |
294 |
|
eputs(input[nfiles].name); |
295 |
< |
eputs(": not in Radiance picture format\n"); |
295 |
> |
eputs(": not a Radiance picture\n"); |
296 |
|
quit(1); |
297 |
|
} |
298 |
< |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) != (YMAJOR|YDECR)) { |
298 |
> |
if (wrongformat > 0) { |
299 |
> |
wputs(input[nfiles].name); |
300 |
> |
wputs(": warning -- incompatible picture format\n"); |
301 |
> |
} |
302 |
> |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
303 |
> |
input[nfiles].vw.type = 0; |
304 |
> |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
305 |
|
eputs(input[nfiles].name); |
306 |
|
eputs(": bad picture size\n"); |
307 |
|
quit(1); |
308 |
|
} |
309 |
|
if (xmax == 0 && ymax == 0) { |
310 |
< |
xmax = xinp; |
311 |
< |
ymax = yinp; |
312 |
< |
} else if (xinp != xmax || yinp != ymax) { |
310 |
> |
xmax = scanlen(&input[nfiles].rs); |
311 |
> |
ymax = numscans(&input[nfiles].rs); |
312 |
> |
} else if (scanlen(&input[nfiles].rs) != xmax || |
313 |
> |
numscans(&input[nfiles].rs) != ymax) { |
314 |
|
eputs(input[nfiles].name); |
315 |
|
eputs(": resolution mismatch\n"); |
316 |
|
quit(1); |
321 |
|
} |
322 |
|
|
323 |
|
|
324 |
< |
init() /* perform final setup */ |
324 |
> |
static double |
325 |
> |
rgb_bright( |
326 |
> |
COLOR clr |
327 |
> |
) |
328 |
|
{ |
329 |
< |
double l_colin(), l_expos(); |
329 |
> |
return(bright(clr)); |
330 |
> |
} |
331 |
> |
|
332 |
> |
|
333 |
> |
static double |
334 |
> |
xyz_bright( |
335 |
> |
COLOR clr |
336 |
> |
) |
337 |
> |
{ |
338 |
> |
return(clr[CIEY]); |
339 |
> |
} |
340 |
> |
|
341 |
> |
|
342 |
> |
double (*ourbright)() = rgb_bright; |
343 |
> |
|
344 |
> |
|
345 |
> |
static void |
346 |
> |
init(void) /* perform final setup */ |
347 |
> |
{ |
348 |
|
register int i; |
349 |
|
/* define constants */ |
350 |
+ |
varset("PI", ':', PI); |
351 |
|
varset(vnfiles, ':', (double)nfiles); |
352 |
|
varset(vxmax, ':', (double)xmax); |
353 |
|
varset(vymax, ':', (double)ymax); |
358 |
|
} |
359 |
|
funset(vbrtexp, 1, ':', l_expos); |
360 |
|
funset(vbrtin, 1, '=', l_colin); |
361 |
+ |
funset(vpixaspect, 1, ':', l_pixaspect); |
362 |
+ |
for (i = 0; i < 7; i++) |
363 |
+ |
funset(vray[i], 1, '=', l_ray); |
364 |
+ |
funset(vpsize, 1, '=', l_psize); |
365 |
+ |
/* set brightness function */ |
366 |
+ |
if (!strcmp(ourfmt, CIEFMT)) { |
367 |
+ |
varset(vwhteff, ':', 1.0); |
368 |
+ |
ourbright = xyz_bright; |
369 |
+ |
} else |
370 |
+ |
varset(vwhteff, ':', WHTEFFICACY); |
371 |
|
} |
372 |
|
|
373 |
|
|
374 |
< |
combine() /* combine pictures */ |
374 |
> |
static void |
375 |
> |
combine(void) /* combine pictures */ |
376 |
|
{ |
377 |
|
EPNODE *coldef[3], *brtdef; |
378 |
|
COLOR *scanout; |
398 |
|
advance(); |
399 |
|
varset(vypos, '=', (double)ypos); |
400 |
|
for (xpos = 0; xpos < xres; xpos++) { |
401 |
< |
xscan = (long)xpos*xmax/xres; |
401 |
> |
xscan = (xpos+.5)*xmax/xres; |
402 |
|
varset(vxpos, '=', (double)xpos); |
403 |
|
eclock++; |
404 |
|
if (brtdef != NULL) { |
426 |
|
quit(1); |
427 |
|
} |
428 |
|
} |
429 |
< |
efree(scanout); |
429 |
> |
efree((char *)scanout); |
430 |
|
} |
431 |
|
|
432 |
|
|
433 |
< |
advance() /* read in data for next scanline */ |
433 |
> |
static void |
434 |
> |
advance(void) /* read in data for next scanline */ |
435 |
|
{ |
436 |
|
int ytarget; |
437 |
|
register COLOR *st; |
438 |
|
register int i, j; |
439 |
|
|
440 |
< |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
440 |
> |
for (ytarget = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
441 |
|
for (i = 0; i < nfiles; i++) { |
442 |
|
st = input[i].scan[WINSIZ-1]; |
443 |
|
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
445 |
|
input[i].scan[0] = st; |
446 |
|
if (yscan <= MIDSCN) /* hit bottom? */ |
447 |
|
continue; |
448 |
< |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
448 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
449 |
|
eputs(input[i].name); |
450 |
|
eputs(": read error\n"); |
451 |
|
quit(1); |
456 |
|
} |
457 |
|
|
458 |
|
|
459 |
< |
double |
460 |
< |
l_expos(nam) /* return picture exposure */ |
461 |
< |
register char *nam; |
459 |
> |
static double |
460 |
> |
l_expos( /* return picture exposure */ |
461 |
> |
char *nam |
462 |
> |
) |
463 |
|
{ |
464 |
< |
register int fn, n; |
464 |
> |
int fn, n; |
465 |
> |
double d; |
466 |
|
|
467 |
< |
fn = argument(1) - .5; |
468 |
< |
if (fn < 0 || fn >= nfiles) |
469 |
< |
return(1.0); |
467 |
> |
d = argument(1); |
468 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
469 |
> |
errno = EDOM; |
470 |
> |
return(0.0); |
471 |
> |
} |
472 |
> |
if (d < 0.5) |
473 |
> |
return((double)nfiles); |
474 |
> |
fn = d - 0.5; |
475 |
|
if (nam == vbrtexp) |
476 |
< |
return(bright(input[fn].expos)); |
476 |
> |
return((*ourbright)(input[fn].expos)); |
477 |
|
n = 3; |
478 |
|
while (n--) |
479 |
|
if (nam == vcolexp[n]) |
480 |
|
return(colval(input[fn].expos,n)); |
481 |
|
eputs("Bad call to l_expos()!\n"); |
482 |
|
quit(1); |
483 |
+ |
return 1; /* pro forma return */ |
484 |
|
} |
485 |
|
|
486 |
|
|
487 |
< |
double |
488 |
< |
l_colin(nam) /* return color value for picture */ |
377 |
< |
register char *nam; |
487 |
> |
static double |
488 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
489 |
|
{ |
490 |
|
int fn; |
380 |
– |
register int n, xoff, yoff; |
491 |
|
double d; |
492 |
|
|
493 |
|
d = argument(1); |
494 |
< |
if (d > -.5 && d < .5) |
494 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
495 |
> |
errno = EDOM; |
496 |
> |
return(0.0); |
497 |
> |
} |
498 |
> |
if (d < 0.5) |
499 |
|
return((double)nfiles); |
500 |
< |
fn = d - .5; |
501 |
< |
if (fn < 0 || fn >= nfiles) { |
500 |
> |
fn = d - 0.5; |
501 |
> |
return(input[fn].pa); |
502 |
> |
} |
503 |
> |
|
504 |
> |
|
505 |
> |
static double |
506 |
> |
l_colin( /* return color value for picture */ |
507 |
> |
register char *nam |
508 |
> |
) |
509 |
> |
{ |
510 |
> |
int fn; |
511 |
> |
register int n, xoff, yoff; |
512 |
> |
double d; |
513 |
> |
|
514 |
> |
d = argument(1); |
515 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
516 |
|
errno = EDOM; |
517 |
|
return(0.0); |
518 |
|
} |
519 |
+ |
if (d < 0.5) |
520 |
+ |
return((double)nfiles); |
521 |
+ |
fn = d - 0.5; |
522 |
|
xoff = yoff = 0; |
523 |
|
n = nargum(); |
524 |
|
if (n >= 2) { |
550 |
|
} |
551 |
|
} |
552 |
|
if (nam == vbrtin) |
553 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
553 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
554 |
|
n = 3; |
555 |
|
while (n--) |
556 |
|
if (nam == vcolin[n]) |
557 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
558 |
|
eputs("Bad call to l_colin()!\n"); |
559 |
|
quit(1); |
560 |
+ |
return 1; /* pro forma return */ |
561 |
|
} |
562 |
|
|
563 |
|
|
564 |
< |
wputs(msg) |
565 |
< |
char *msg; |
564 |
> |
static double |
565 |
> |
l_ray( /* return ray origin or direction */ |
566 |
> |
register char *nam |
567 |
> |
) |
568 |
|
{ |
569 |
+ |
static unsigned long ltick[MAXINP]; |
570 |
+ |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
571 |
+ |
static double ldist[MAXINP]; |
572 |
+ |
RREAL loc[2]; |
573 |
+ |
double d; |
574 |
+ |
int fn; |
575 |
+ |
register int i; |
576 |
+ |
|
577 |
+ |
d = argument(1); |
578 |
+ |
if (d <= -0.5 || d >= nfiles+0.5) { |
579 |
+ |
errno = EDOM; |
580 |
+ |
return(0.0); |
581 |
+ |
} |
582 |
+ |
if (d < 0.5) |
583 |
+ |
return((double)nfiles); |
584 |
+ |
fn = d - 0.5; |
585 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
586 |
+ |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
587 |
+ |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
588 |
+ |
ldist[fn] = -1.0; |
589 |
+ |
if (input[fn].vw.type == 0) |
590 |
+ |
errno = EDOM; |
591 |
+ |
else { |
592 |
+ |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
593 |
+ |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
594 |
+ |
&input[fn].vw, loc[0], loc[1]); |
595 |
+ |
} |
596 |
+ |
ltick[fn] = eclock; |
597 |
+ |
} |
598 |
+ |
if (nam == vray[i=6]) |
599 |
+ |
return(ldist[fn]); |
600 |
+ |
while (i--) |
601 |
+ |
if (nam == vray[i]) |
602 |
+ |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
603 |
+ |
eputs("Bad call to l_ray()!\n"); |
604 |
+ |
quit(1); |
605 |
+ |
return 1; /* pro forma return */ |
606 |
+ |
} |
607 |
+ |
|
608 |
+ |
|
609 |
+ |
static double |
610 |
+ |
l_psize(char *nm) /* compute pixel size in steradians */ |
611 |
+ |
{ |
612 |
+ |
static unsigned long ltick[MAXINP]; |
613 |
+ |
static double psize[MAXINP]; |
614 |
+ |
FVECT dir0, org, dirx, diry; |
615 |
+ |
RREAL locx[2], locy[2]; |
616 |
+ |
double d; |
617 |
+ |
int fn; |
618 |
+ |
register int i; |
619 |
+ |
|
620 |
+ |
d = argument(1); |
621 |
+ |
if (d <= -0.5 || d >= nfiles+0.5) { |
622 |
+ |
errno = EDOM; |
623 |
+ |
return(0.0); |
624 |
+ |
} |
625 |
+ |
if (d < 0.5) |
626 |
+ |
return((double)nfiles); |
627 |
+ |
fn = d - 0.5; |
628 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
629 |
+ |
psize[fn] = 0.0; |
630 |
+ |
if (input[fn].vw.type == 0) |
631 |
+ |
errno = EDOM; |
632 |
+ |
else if (input[fn].vw.type != VT_PAR && |
633 |
+ |
funvalue(vray[6], 1, &d) >= -FTINY) { |
634 |
+ |
for (i = 0; i < 3; i++) |
635 |
+ |
dir0[i] = funvalue(vray[3+i], 1, &d); |
636 |
+ |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
637 |
+ |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
638 |
+ |
if (viewray(org, dirx, &input[fn].vw, |
639 |
+ |
locx[0], locx[1]) >= -FTINY && |
640 |
+ |
viewray(org, diry, &input[fn].vw, |
641 |
+ |
locy[0], locy[1]) >= -FTINY) { |
642 |
+ |
/* approximate solid angle */ |
643 |
+ |
for (i = 0; i < 3; i++) { |
644 |
+ |
dirx[i] -= dir0[i]; |
645 |
+ |
diry[i] -= dir0[i]; |
646 |
+ |
} |
647 |
+ |
fcross(dir0, dirx, diry); |
648 |
+ |
psize[fn] = VLEN(dir0); |
649 |
+ |
} |
650 |
+ |
} |
651 |
+ |
ltick[fn] = eclock; |
652 |
+ |
} |
653 |
+ |
return(psize[fn]); |
654 |
+ |
} |
655 |
+ |
|
656 |
+ |
|
657 |
+ |
extern void |
658 |
+ |
wputs(char *msg) |
659 |
+ |
{ |
660 |
|
if (!nowarn) |
661 |
|
eputs(msg); |
662 |
|
} |
663 |
|
|
664 |
|
|
665 |
< |
eputs(msg) |
666 |
< |
char *msg; |
665 |
> |
extern void |
666 |
> |
eputs(char *msg) |
667 |
|
{ |
668 |
|
fputs(msg, stderr); |
669 |
|
} |
670 |
|
|
671 |
|
|
672 |
< |
quit(code) |
673 |
< |
int code; |
672 |
> |
extern void |
673 |
> |
quit(int code) /* exit gracefully */ |
674 |
|
{ |
675 |
+ |
register int i; |
676 |
+ |
/* close input files */ |
677 |
+ |
for (i = 0; i < nfiles; i++) |
678 |
+ |
if (input[i].name == Command) |
679 |
+ |
pclose(input[i].fp); |
680 |
+ |
else |
681 |
+ |
fclose(input[i].fp); |
682 |
|
exit(code); |
683 |
|
} |