1 |
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/* Copyright (c) 1989 Regents of the University of California */ |
2 |
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|
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 |
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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 "paths.h" |
13 |
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#include "color.h" |
18 |
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|
14 |
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#include "calcomp.h" |
15 |
+ |
#include "view.h" |
16 |
|
|
17 |
< |
#define MAXINP 16 /* maximum number of input files */ |
17 |
> |
#define MAXINP 1024 /* maximum number of input files */ |
18 |
> |
#define WINSIZ 127 /* scanline window size */ |
19 |
> |
#define MIDSCN ((WINSIZ-1)/2+1) |
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|
21 |
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struct { |
22 |
< |
char *name; /* file name */ |
22 |
> |
char *name; /* file or command name */ |
23 |
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FILE *fp; /* stream pointer */ |
24 |
< |
COLOR *scan; /* input scanline */ |
24 |
> |
VIEW vw; /* view for picture */ |
25 |
> |
RESOLU rs; /* image resolution and orientation */ |
26 |
> |
int infloat; /* input is floating point (#comp)? */ |
27 |
> |
float pa; /* pixel aspect ratio */ |
28 |
> |
COLOR *scan[WINSIZ]; /* input scanline window */ |
29 |
> |
COLOR coef; /* coefficient */ |
30 |
> |
COLOR expos; /* recorded exposure */ |
31 |
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} input[MAXINP]; /* input pictures */ |
32 |
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|
33 |
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int nfiles; /* number of input files */ |
34 |
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|
35 |
< |
char *vcolin[3] = {"ri", "gi", "bi"}; |
32 |
< |
char *vcolout[3] = {"ro", "go", "bo"}; |
35 |
> |
VIEW *commvp = NULL; /* common view parameters */ |
36 |
|
|
37 |
< |
#define vxpos "x" |
38 |
< |
#define vypos "y" |
37 |
> |
char ourfmt[MAXFMTLEN] = PICFMT; /* input picture format */ |
38 |
> |
int outfloat = 0; /* #component float output? */ |
39 |
|
|
40 |
+ |
char StandardInput[] = "<stdin>"; |
41 |
+ |
char Command[] = "<Command>"; |
42 |
+ |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
43 |
+ |
char vcolout[3][4] = {"ro", "go", "bo"}; |
44 |
+ |
char vbrtin[] = "li"; |
45 |
+ |
char vbrtout[] = "lo"; |
46 |
+ |
char vcolexp[3][4] = {"re", "ge", "be"}; |
47 |
+ |
char vbrtexp[] = "le"; |
48 |
+ |
char vpixaspect[] = "pa"; |
49 |
+ |
|
50 |
+ |
char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
51 |
+ |
|
52 |
+ |
char vpsize[] = "S"; |
53 |
+ |
|
54 |
+ |
char vnfiles[] = "nfiles"; |
55 |
+ |
char vwhteff[] = "WE"; |
56 |
+ |
char vxmax[] = "xmax"; |
57 |
+ |
char vymax[] = "ymax"; |
58 |
+ |
char vxres[] = "xres"; |
59 |
+ |
char vyres[] = "yres"; |
60 |
+ |
char vxpos[] = "x"; |
61 |
+ |
char vypos[] = "y"; |
62 |
+ |
|
63 |
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int nowarn = 0; /* no warning messages? */ |
64 |
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|
65 |
< |
int xres=0, yres=0; /* picture resolution */ |
65 |
> |
int xmax = 0, ymax = 0; /* input resolution */ |
66 |
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|
67 |
< |
int xpos, ypos; /* picture position */ |
67 |
> |
int xscan, yscan; /* input position */ |
68 |
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|
69 |
+ |
int xres, yres; /* output resolution */ |
70 |
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|
71 |
< |
tputs(s) /* put out string preceded by a tab */ |
45 |
< |
char *s; |
46 |
< |
{ |
47 |
< |
putchar('\t'); |
48 |
< |
fputs(s, stdout); |
49 |
< |
} |
71 |
> |
int xpos, ypos; /* output position */ |
72 |
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|
73 |
+ |
char *progname; /* global argv[0] */ |
74 |
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|
75 |
< |
main(argc, argv) |
76 |
< |
int argc; |
77 |
< |
char *argv[]; |
75 |
> |
int echoheader = 1; |
76 |
> |
int wrongformat = 0; |
77 |
> |
int gotview; |
78 |
> |
|
79 |
> |
|
80 |
> |
static gethfunc headline; |
81 |
> |
static void checkfile(int orig); |
82 |
> |
static double rgb_bright(COLOR clr); |
83 |
> |
static double xyz_bright(COLOR clr); |
84 |
> |
static void init(void); |
85 |
> |
static void combine(void); |
86 |
> |
static void advance(void); |
87 |
> |
static double l_expos(char *nam); |
88 |
> |
static double l_pixaspect(char *nm); |
89 |
> |
static double l_colin(char *nam); |
90 |
> |
static double l_ray(char *nam); |
91 |
> |
static double l_psize(char *nm); |
92 |
> |
|
93 |
> |
|
94 |
> |
int |
95 |
> |
main( |
96 |
> |
int argc, |
97 |
> |
char *argv[] |
98 |
> |
) |
99 |
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{ |
100 |
< |
extern double l_redin(), l_grnin(), l_bluin(); |
100 |
> |
int original; |
101 |
> |
double f; |
102 |
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int a; |
103 |
< |
|
104 |
< |
funset(vcolin[RED], 1, l_redin); |
105 |
< |
funset(vcolin[GRN], 1, l_grnin); |
106 |
< |
funset(vcolin[BLU], 1, l_bluin); |
107 |
< |
|
108 |
< |
for (a = 1; a < argc; a++) |
103 |
> |
|
104 |
> |
SET_DEFAULT_BINARY(); |
105 |
> |
SET_FILE_BINARY(stdin); |
106 |
> |
SET_FILE_BINARY(stdout); |
107 |
> |
progname = argv[0]; |
108 |
> |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
109 |
> |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
110 |
> |
/* scan options */ |
111 |
> |
for (a = 1; a < argc; a++) { |
112 |
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if (argv[a][0] == '-') |
113 |
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switch (argv[a][1]) { |
66 |
– |
case '\0': |
67 |
– |
goto getfiles; |
114 |
|
case 'x': |
69 |
– |
xres = atoi(argv[++a]); |
70 |
– |
break; |
115 |
|
case 'y': |
116 |
< |
yres = atoi(argv[++a]); |
117 |
< |
break; |
116 |
> |
a++; |
117 |
> |
continue; |
118 |
|
case 'w': |
119 |
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nowarn = !nowarn; |
120 |
< |
break; |
120 |
> |
continue; |
121 |
> |
case 'h': |
122 |
> |
echoheader = !echoheader; |
123 |
> |
continue; |
124 |
|
case 'f': |
125 |
< |
fcompile(argv[++a]); |
126 |
< |
break; |
125 |
> |
if (argv[a][2]) { |
126 |
> |
outfloat = (argv[a][2] == 'f'); |
127 |
> |
continue; |
128 |
> |
} |
129 |
> |
/* fall through */ |
130 |
|
case 'e': |
131 |
< |
scompile(NULL, argv[++a]); |
132 |
< |
break; |
83 |
< |
default: |
84 |
< |
eputs("Usage: "); |
85 |
< |
eputs(argv[0]); |
86 |
< |
eputs(" [-w][-x xres][-y yres][-e expr][-f file] [picture ..]\n"); |
87 |
< |
quit(1); |
131 |
> |
a++; |
132 |
> |
continue; |
133 |
|
} |
134 |
< |
else |
135 |
< |
break; |
136 |
< |
getfiles: |
134 |
> |
break; |
135 |
> |
} |
136 |
> |
newheader("RADIANCE", stdout); /* start header */ |
137 |
> |
fputnow(stdout); |
138 |
> |
/* process files */ |
139 |
> |
for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
140 |
> |
setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
141 |
> |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
142 |
> |
input[nfiles].vw = stdview; |
143 |
> |
input[nfiles].pa = 1.0; |
144 |
> |
} |
145 |
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nfiles = 0; |
146 |
+ |
original = 0; |
147 |
|
for ( ; a < argc; a++) { |
148 |
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if (nfiles >= MAXINP) { |
149 |
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eputs(argv[0]); |
150 |
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eputs(": too many picture files\n"); |
151 |
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quit(1); |
152 |
|
} |
153 |
< |
if (argv[a][0] == '-') { |
154 |
< |
input[nfiles].name = "<stdin>"; |
155 |
< |
input[nfiles].fp = stdin; |
156 |
< |
} else { |
157 |
< |
input[nfiles].name = argv[a]; |
158 |
< |
input[nfiles].fp = fopen(argv[a], "r"); |
153 |
> |
if (argv[a][0] == '-') |
154 |
> |
switch (argv[a][1]) { |
155 |
> |
case '\0': |
156 |
> |
input[nfiles].name = StandardInput; |
157 |
> |
input[nfiles].fp = stdin; |
158 |
> |
break; |
159 |
> |
case 'o': |
160 |
> |
original++; |
161 |
> |
continue; |
162 |
> |
case 's': |
163 |
> |
f = atof(argv[++a]); |
164 |
> |
scalecolor(input[nfiles].coef, f); |
165 |
> |
continue; |
166 |
> |
case 'c': |
167 |
> |
colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
168 |
> |
colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
169 |
> |
colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
170 |
> |
continue; |
171 |
> |
default: |
172 |
> |
goto usage; |
173 |
> |
} |
174 |
> |
else { |
175 |
> |
if (argv[a][0] == '!') { |
176 |
> |
input[nfiles].name = Command; |
177 |
> |
input[nfiles].fp = popen(argv[a]+1, "r"); |
178 |
> |
} else { |
179 |
> |
input[nfiles].name = argv[a]; |
180 |
> |
input[nfiles].fp = fopen(argv[a], "r"); |
181 |
> |
} |
182 |
|
if (input[nfiles].fp == NULL) { |
183 |
< |
eputs(argv[a]); |
107 |
< |
eputs(": cannot open\n"); |
183 |
> |
perror(argv[a]); |
184 |
|
quit(1); |
185 |
|
} |
186 |
|
} |
187 |
< |
fputs(input[nfiles].name, stdout); |
188 |
< |
fputs(":\n", stdout); |
189 |
< |
getheader(input[nfiles].fp, tputs); |
190 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
187 |
> |
checkfile(original); |
188 |
> |
nfiles++; |
189 |
> |
original = 0; |
190 |
> |
} |
191 |
> |
init(); /* set constants */ |
192 |
> |
/* go back and get expressions */ |
193 |
> |
for (a = 1; a < argc; a++) { |
194 |
> |
char *fpath; |
195 |
> |
if (argv[a][0] == '-') |
196 |
> |
switch (argv[a][1]) { |
197 |
> |
case 'x': |
198 |
> |
varset(vxres, ':', eval(argv[++a])); |
199 |
> |
continue; |
200 |
> |
case 'y': |
201 |
> |
varset(vyres, ':', eval(argv[++a])); |
202 |
> |
continue; |
203 |
> |
case 'w': |
204 |
> |
continue; |
205 |
> |
case 'h': |
206 |
> |
continue; |
207 |
> |
case 'f': |
208 |
> |
if (argv[a][2]) |
209 |
> |
continue; |
210 |
> |
fpath = getpath(argv[++a], getrlibpath(), 0); |
211 |
> |
if (fpath == NULL) { |
212 |
> |
eputs(argv[0]); |
213 |
> |
eputs(": cannot find file '"); |
214 |
> |
eputs(argv[a]); |
215 |
> |
eputs("'\n"); |
216 |
> |
quit(1); |
217 |
> |
} |
218 |
> |
fcompile(fpath); |
219 |
> |
continue; |
220 |
> |
case 'e': |
221 |
> |
scompile(argv[++a], NULL, 0); |
222 |
> |
continue; |
223 |
> |
} |
224 |
> |
break; |
225 |
> |
} |
226 |
> |
/* get output resolution */ |
227 |
> |
xres = varvalue(vxres) + .5; |
228 |
> |
yres = varvalue(vyres) + .5; |
229 |
> |
if (xres <= 0 || yres <= 0) { |
230 |
> |
eputs(argv[0]); |
231 |
> |
eputs(": illegal output resolution\n"); |
232 |
> |
quit(1); |
233 |
> |
} |
234 |
> |
if (!vardefined(vbrtout)) /* single or 3-channel? */ |
235 |
> |
outfloat *= 3; |
236 |
> |
|
237 |
> |
printargs(argc, argv, stdout); /* complete header */ |
238 |
> |
if (commvp != NULL) { |
239 |
> |
fputs(VIEWSTR, stdout); |
240 |
> |
fprintview(commvp, stdout); |
241 |
> |
fputc('\n', stdout); |
242 |
> |
} |
243 |
> |
if (outfloat) { /* print format if known */ |
244 |
> |
printf("NROWS=%d\nNCOLS=%d\n", yres, xres); |
245 |
> |
fputncomp(outfloat, stdout); |
246 |
> |
fputendian(stdout); |
247 |
> |
fputformat("float", stdout); |
248 |
> |
} else if (strcmp(ourfmt, PICFMT)) |
249 |
> |
fputformat(ourfmt, stdout); |
250 |
> |
fputc('\n', stdout); /* end header */ |
251 |
> |
if (!outfloat) |
252 |
> |
fprtresolu(xres, yres, stdout); |
253 |
> |
|
254 |
> |
doptimize(1); /* optimize definitions */ |
255 |
> |
combine(); /* combine pictures */ |
256 |
> |
quit(0); |
257 |
> |
usage: |
258 |
> |
eputs("Usage: "); |
259 |
> |
eputs(argv[0]); |
260 |
> |
eputs( |
261 |
> |
" [-w][-h][-ff][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] hdr ..]\n"); |
262 |
> |
quit(1); |
263 |
> |
return 1; /* pro forma return */ |
264 |
> |
} |
265 |
> |
|
266 |
> |
|
267 |
> |
static int |
268 |
> |
headline( /* check header line & echo if requested */ |
269 |
> |
char *s, |
270 |
> |
void *p |
271 |
> |
) |
272 |
> |
{ |
273 |
> |
int orig = *(int *)p; |
274 |
> |
char fmt[MAXFMTLEN]; |
275 |
> |
double d; |
276 |
> |
int bigend; |
277 |
> |
COLOR ctmp; |
278 |
> |
|
279 |
> |
if (isheadid(s)) /* header id */ |
280 |
> |
return(0); /* don't echo */ |
281 |
> |
if (formatval(fmt, s)) { /* check format */ |
282 |
> |
if (globmatch(ourfmt, fmt)) { |
283 |
> |
wrongformat = 0; |
284 |
> |
strcpy(ourfmt, fmt); |
285 |
> |
} else if (!strcmp("float", fmt)) |
286 |
> |
input[nfiles].infloat *= -1; |
287 |
> |
else |
288 |
> |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
289 |
> |
return(0); /* don't echo */ |
290 |
> |
} |
291 |
> |
if ((bigend = isbigendian(s)) >= 0) { |
292 |
> |
if (bigend != nativebigendian()) { |
293 |
|
eputs(input[nfiles].name); |
294 |
< |
eputs(": bad picture size\n"); |
294 |
> |
eputs(": unsupported input byte ordering\n"); |
295 |
|
quit(1); |
296 |
|
} |
297 |
< |
if (xres == 0 && yres == 0) { |
298 |
< |
xres = xpos; |
299 |
< |
yres = ypos; |
300 |
< |
} else if (xpos != xres || ypos != yres) { |
301 |
< |
eputs(argv[0]); |
302 |
< |
eputs(": resolution mismatch\n"); |
303 |
< |
quit(1); |
297 |
> |
return(0); /* don't echo */ |
298 |
> |
} |
299 |
> |
if (!strncmp("NROWS=", s, 6)) { /* X-resolution */ |
300 |
> |
input[nfiles].rs.yr = atoi(s+6); |
301 |
> |
return(0); /* don't echo */ |
302 |
> |
} |
303 |
> |
if (!strncmp("NCOLS=", s, 6)) { /* Y-resolution */ |
304 |
> |
input[nfiles].rs.xr = atoi(s+6); |
305 |
> |
return(0); /* don't echo */ |
306 |
> |
} |
307 |
> |
if (isncomp(s)) /* # components */ |
308 |
> |
input[nfiles].infloat *= ncompval(s); |
309 |
> |
|
310 |
> |
if (orig) { /* undo exposure? */ |
311 |
> |
if (isexpos(s)) { |
312 |
> |
d = 1./exposval(s); |
313 |
> |
scalecolor(input[nfiles].coef, d); |
314 |
> |
return(0); /* don't echo */ |
315 |
|
} |
316 |
< |
input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
317 |
< |
nfiles++; |
316 |
> |
if (iscolcor(s)) { |
317 |
> |
int i; |
318 |
> |
colcorval(ctmp, s); |
319 |
> |
for (i = 3; i--; ) |
320 |
> |
colval(input[nfiles].coef,i) /= colval(ctmp,i); |
321 |
> |
return(0); /* don't echo */ |
322 |
> |
} |
323 |
> |
} else if (isexpos(s)) { /* record exposure? */ |
324 |
> |
d = exposval(s); |
325 |
> |
scalecolor(input[nfiles].expos, d); |
326 |
> |
} else if (iscolcor(s)) { |
327 |
> |
colcorval(ctmp, s); |
328 |
> |
multcolor(input[nfiles].expos, ctmp); |
329 |
|
} |
330 |
< |
printargs(argc, argv, stdout); |
331 |
< |
putchar('\n'); |
332 |
< |
printf("-Y %d +X %d\n", yres, xres); |
333 |
< |
combine(); |
334 |
< |
quit(0); |
330 |
> |
if (isaspect(s)) |
331 |
> |
input[nfiles].pa *= aspectval(s); |
332 |
> |
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
333 |
> |
gotview++; |
334 |
> |
|
335 |
> |
if (echoheader) { /* echo line */ |
336 |
> |
putchar('\t'); |
337 |
> |
return(fputs(s, stdout)); |
338 |
> |
} |
339 |
> |
return(0); |
340 |
|
} |
341 |
|
|
342 |
|
|
343 |
< |
combine() /* combine pictures */ |
343 |
> |
static void |
344 |
> |
checkfile(int orig) /* ready a file */ |
345 |
|
{ |
346 |
< |
int coldef[3]; |
346 |
> |
int i; |
347 |
> |
/* process header */ |
348 |
> |
gotview = 0; |
349 |
> |
input[nfiles].infloat = -1; |
350 |
> |
input[nfiles].rs.rt = PIXSTANDARD; |
351 |
> |
input[nfiles].rs.xr = input[nfiles].rs.yr = 0; |
352 |
> |
if (echoheader) { |
353 |
> |
fputs(input[nfiles].name, stdout); |
354 |
> |
fputs(":\n", stdout); |
355 |
> |
} |
356 |
> |
getheader(input[nfiles].fp, headline, &orig); |
357 |
> |
|
358 |
> |
if (input[nfiles].infloat <= 0) |
359 |
> |
input[nfiles].infloat = 0; |
360 |
> |
else if ((input[nfiles].infloat != 3) & |
361 |
> |
(input[nfiles].infloat != 1)) { |
362 |
> |
eputs(input[nfiles].name); |
363 |
> |
eputs(": unsupported number of components\n"); |
364 |
> |
quit(1); |
365 |
> |
} |
366 |
> |
if (wrongformat < 0) { |
367 |
> |
eputs(input[nfiles].name); |
368 |
> |
eputs(": not a Radiance picture or float matrix\n"); |
369 |
> |
quit(1); |
370 |
> |
} |
371 |
> |
if (wrongformat > 0) { |
372 |
> |
wputs(input[nfiles].name); |
373 |
> |
wputs(": warning -- incompatible picture format\n"); |
374 |
> |
} |
375 |
> |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
376 |
> |
input[nfiles].vw.type = 0; |
377 |
> |
else if (commvp == NULL) |
378 |
> |
commvp = &input[nfiles].vw; |
379 |
> |
if ((input[nfiles].rs.xr <= 0) | (input[nfiles].rs.yr <= 0) && |
380 |
> |
!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
381 |
> |
eputs(input[nfiles].name); |
382 |
> |
eputs(": bad picture size\n"); |
383 |
> |
quit(1); |
384 |
> |
} |
385 |
> |
if (xmax == 0 && ymax == 0) { |
386 |
> |
xmax = scanlen(&input[nfiles].rs); |
387 |
> |
ymax = numscans(&input[nfiles].rs); |
388 |
> |
} else if (scanlen(&input[nfiles].rs) != xmax || |
389 |
> |
numscans(&input[nfiles].rs) != ymax) { |
390 |
> |
eputs(input[nfiles].name); |
391 |
> |
eputs(": resolution mismatch\n"); |
392 |
> |
quit(1); |
393 |
> |
} |
394 |
> |
/* allocate scanlines */ |
395 |
> |
for (i = 0; i < WINSIZ; i++) |
396 |
> |
input[nfiles].scan[i] = (COLOR *)emalloc(xmax*sizeof(COLOR)); |
397 |
> |
} |
398 |
> |
|
399 |
> |
|
400 |
> |
static double |
401 |
> |
rgb_bright( |
402 |
> |
COLOR clr |
403 |
> |
) |
404 |
> |
{ |
405 |
> |
return(bright(clr)); |
406 |
> |
} |
407 |
> |
|
408 |
> |
|
409 |
> |
static double |
410 |
> |
xyz_bright( |
411 |
> |
COLOR clr |
412 |
> |
) |
413 |
> |
{ |
414 |
> |
return(clr[CIEY]); |
415 |
> |
} |
416 |
> |
|
417 |
> |
|
418 |
> |
double (*ourbright)() = rgb_bright; |
419 |
> |
|
420 |
> |
|
421 |
> |
static void |
422 |
> |
init(void) /* perform final setup */ |
423 |
> |
{ |
424 |
> |
int i; |
425 |
> |
/* define constants */ |
426 |
> |
varset("PI", ':', PI); |
427 |
> |
varset(vnfiles, ':', (double)nfiles); |
428 |
> |
varset(vxmax, ':', (double)xmax); |
429 |
> |
varset(vymax, ':', (double)ymax); |
430 |
> |
/* set functions */ |
431 |
> |
for (i = 0; i < 3; i++) { |
432 |
> |
funset(vcolexp[i], 1, ':', l_expos); |
433 |
> |
funset(vcolin[i], 1, '=', l_colin); |
434 |
> |
} |
435 |
> |
funset(vbrtexp, 1, ':', l_expos); |
436 |
> |
funset(vbrtin, 1, '=', l_colin); |
437 |
> |
funset(vpixaspect, 1, ':', l_pixaspect); |
438 |
> |
for (i = 0; i < 7; i++) |
439 |
> |
funset(vray[i], 1, '=', l_ray); |
440 |
> |
funset(vpsize, 1, '=', l_psize); |
441 |
> |
/* set brightness function */ |
442 |
> |
if (!strcmp(ourfmt, CIEFMT)) { |
443 |
> |
varset(vwhteff, ':', 1.0); |
444 |
> |
ourbright = xyz_bright; |
445 |
> |
} else |
446 |
> |
varset(vwhteff, ':', WHTEFFICACY); |
447 |
> |
/* these may be overridden */ |
448 |
> |
varset(vxres, ':', (double)xmax); |
449 |
> |
varset(vyres, ':', (double)ymax); |
450 |
> |
} |
451 |
> |
|
452 |
> |
|
453 |
> |
static void |
454 |
> |
combine(void) /* combine pictures */ |
455 |
> |
{ |
456 |
> |
EPNODE *coldef[3], *brtdef; |
457 |
> |
int set_x, set_y; |
458 |
|
COLOR *scanout; |
459 |
< |
register int i, j; |
459 |
> |
double d; |
460 |
> |
int i, j; |
461 |
|
/* check defined variables */ |
462 |
< |
for (j = 0; j < 3; j++) |
463 |
< |
coldef[j] = vardefined(vcolout[j]); |
462 |
> |
for (j = 0; j < 3; j++) { |
463 |
> |
if (vardefined(vcolout[j])) |
464 |
> |
coldef[j] = eparse(vcolout[j]); |
465 |
> |
else |
466 |
> |
coldef[j] = NULL; |
467 |
> |
} |
468 |
> |
if (vardefined(vbrtout)) |
469 |
> |
brtdef = eparse(vbrtout); |
470 |
> |
else |
471 |
> |
brtdef = NULL; |
472 |
> |
/* what to set */ |
473 |
> |
set_x = varlookup(vxpos) != NULL && !vardefined(vxpos); |
474 |
> |
set_y = varlookup(vypos) != NULL && !vardefined(vypos); |
475 |
|
/* allocate scanline */ |
476 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
477 |
+ |
/* set input position */ |
478 |
+ |
yscan = ymax+MIDSCN; |
479 |
|
/* combine files */ |
480 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
481 |
< |
for (i = 0; i < nfiles; i++) |
482 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
483 |
< |
eputs(input[i].name); |
484 |
< |
eputs(": read error\n"); |
485 |
< |
quit(1); |
481 |
> |
advance(); |
482 |
> |
if (set_y) varset(vypos, '=', (double)ypos); |
483 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
484 |
> |
xscan = (xpos+.5)*xmax/xres; |
485 |
> |
if (set_x) varset(vxpos, '=', (double)xpos); |
486 |
> |
eclock++; |
487 |
> |
if (brtdef != NULL) { |
488 |
> |
d = evalue(brtdef); |
489 |
> |
d *= (outfloat > 0) | (d >= 0); |
490 |
> |
setcolor(scanout[xpos], d, d, d); |
491 |
> |
} else { |
492 |
> |
for (j = 0; j < 3; j++) { |
493 |
> |
if (coldef[j] != NULL) { |
494 |
> |
d = evalue(coldef[j]); |
495 |
> |
} else { |
496 |
> |
d = 0.0; |
497 |
> |
for (i = 0; i < nfiles; i++) |
498 |
> |
d += colval(input[i].scan[MIDSCN][xscan],j); |
499 |
|
} |
500 |
< |
varset(vypos, (double)ypos); |
501 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
502 |
< |
varset(vxpos, (double)xpos); |
159 |
< |
eclock++; |
160 |
< |
for (j = 0; j < 3; j++) |
161 |
< |
if (coldef[j]) { |
162 |
< |
colval(scanout[xpos],j) = varvalue(vcolout[j]); |
163 |
< |
if (colval(scanout[xpos],j) < 0.0) |
164 |
< |
colval(scanout[xpos],j) = 0.0; |
165 |
< |
} else { |
166 |
< |
colval(scanout[xpos],j) = 0.0; |
167 |
< |
for (i = 0; i < nfiles; i++) |
168 |
< |
colval(scanout[xpos],j) += colval(input[i].scan[xpos],j); |
169 |
< |
colval(scanout[xpos],j) /= (double)nfiles; |
170 |
< |
} |
500 |
> |
d *= (outfloat > 0) | (d >= 0); |
501 |
> |
colval(scanout[xpos],j) = d; |
502 |
> |
} |
503 |
|
} |
504 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
505 |
< |
eputs("write error\n"); |
506 |
< |
quit(1); |
507 |
< |
} |
504 |
> |
} |
505 |
> |
switch (outfloat) { |
506 |
> |
case 3: /* writing out float triplets */ |
507 |
> |
if (fwrite(scanout, sizeof(float)*3, xres, stdout) != xres) |
508 |
> |
goto writerr; |
509 |
> |
break; |
510 |
> |
case 1: /* writing out gray float values */ |
511 |
> |
for (xpos = 0; xpos < xres; xpos++) |
512 |
> |
if (putbinary(&scanout[xpos][CIEY], |
513 |
> |
sizeof(float), 1, stdout) != 1) |
514 |
> |
goto writerr; |
515 |
> |
break; |
516 |
> |
default: /* writing out Radiance picture */ |
517 |
> |
if (fwritescan(scanout, xres, stdout) < 0) |
518 |
> |
goto writerr; |
519 |
> |
break; |
520 |
> |
} |
521 |
|
} |
522 |
< |
efree(scanout); |
522 |
> |
efree((char *)scanout); |
523 |
> |
return; |
524 |
> |
writerr: |
525 |
> |
perror("write error"); |
526 |
> |
quit(1); |
527 |
|
} |
528 |
|
|
529 |
|
|
530 |
< |
double |
531 |
< |
colin(fn, ci) /* return color value for picture */ |
183 |
< |
register int fn, ci; |
530 |
> |
static void |
531 |
> |
advance(void) /* read in data for next scanline */ |
532 |
|
{ |
533 |
< |
if (fn == 0) |
533 |
> |
int ytarget; |
534 |
> |
COLOR *st; |
535 |
> |
int i, j; |
536 |
> |
|
537 |
> |
for (ytarget = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
538 |
> |
for (i = 0; i < nfiles; i++) { |
539 |
> |
st = input[i].scan[WINSIZ-1]; |
540 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
541 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
542 |
> |
input[i].scan[0] = st; |
543 |
> |
if (yscan <= MIDSCN) /* hit bottom? */ |
544 |
> |
continue; |
545 |
> |
/* read scanline */ |
546 |
> |
if (input[i].infloat) { |
547 |
> |
if (fread(st, sizeof(float)*input[i].infloat, |
548 |
> |
xmax, input[i].fp) != xmax) |
549 |
> |
goto readerr; |
550 |
> |
if (input[i].infloat == 1) { |
551 |
> |
const COLORV *f = st[0] + xmax; |
552 |
> |
int x = xmax; |
553 |
> |
while (x-- > 0) |
554 |
> |
st[x][BLU] = st[x][GRN] = |
555 |
> |
st[x][RED] = *--f; |
556 |
> |
} |
557 |
> |
} else if (freadscan(st, xmax, input[i].fp) < 0) |
558 |
> |
goto readerr; |
559 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
560 |
> |
multcolor(st[j], input[i].coef); |
561 |
> |
} |
562 |
> |
return; |
563 |
> |
readerr: |
564 |
> |
eputs(input[i].name); |
565 |
> |
eputs(": read error\n"); |
566 |
> |
quit(1); |
567 |
> |
} |
568 |
> |
|
569 |
> |
|
570 |
> |
static double |
571 |
> |
l_expos( /* return picture exposure */ |
572 |
> |
char *nam |
573 |
> |
) |
574 |
> |
{ |
575 |
> |
int fn, n; |
576 |
> |
double d; |
577 |
> |
|
578 |
> |
d = argument(1); |
579 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
580 |
> |
errno = EDOM; |
581 |
> |
return(0.0); |
582 |
> |
} |
583 |
> |
if (d < 0.5) |
584 |
|
return((double)nfiles); |
585 |
< |
if (fn < 1 || fn > nfiles) { |
585 |
> |
fn = d - 0.5; |
586 |
> |
if (nam == vbrtexp) |
587 |
> |
return((*ourbright)(input[fn].expos)); |
588 |
> |
n = 3; |
589 |
> |
while (n--) |
590 |
> |
if (nam == vcolexp[n]) |
591 |
> |
return(colval(input[fn].expos,n)); |
592 |
> |
eputs("Bad call to l_expos()!\n"); |
593 |
> |
quit(1); |
594 |
> |
return 1; /* pro forma return */ |
595 |
> |
} |
596 |
> |
|
597 |
> |
|
598 |
> |
static double |
599 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
600 |
> |
{ |
601 |
> |
int fn; |
602 |
> |
double d; |
603 |
> |
|
604 |
> |
d = argument(1); |
605 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
606 |
|
errno = EDOM; |
607 |
|
return(0.0); |
608 |
|
} |
609 |
< |
return(colval(input[fn-1].scan[xpos],ci)); |
609 |
> |
if (d < 0.5) |
610 |
> |
return((double)nfiles); |
611 |
> |
fn = d - 0.5; |
612 |
> |
return(input[fn].pa); |
613 |
|
} |
614 |
|
|
615 |
|
|
616 |
< |
double |
617 |
< |
l_redin() /* get red color */ |
616 |
> |
static double |
617 |
> |
l_colin( /* return color value for picture */ |
618 |
> |
char *nam |
619 |
> |
) |
620 |
|
{ |
621 |
< |
return(colin((int)(argument(1)+.5), RED)); |
621 |
> |
int fn; |
622 |
> |
int n, xoff, yoff; |
623 |
> |
double d; |
624 |
> |
|
625 |
> |
d = argument(1); |
626 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
627 |
> |
errno = EDOM; |
628 |
> |
return(0.0); |
629 |
> |
} |
630 |
> |
if (d < 0.5) |
631 |
> |
return((double)nfiles); |
632 |
> |
fn = d - 0.5; |
633 |
> |
xoff = yoff = 0; |
634 |
> |
n = nargum(); |
635 |
> |
if (n >= 2) { |
636 |
> |
d = argument(2); |
637 |
> |
if (d < 0.0) { |
638 |
> |
xoff = d-.5; |
639 |
> |
if (xscan+xoff < 0) |
640 |
> |
xoff = -xscan; |
641 |
> |
} else { |
642 |
> |
xoff = d+.5; |
643 |
> |
if (xscan+xoff >= xmax) |
644 |
> |
xoff = xmax-1-xscan; |
645 |
> |
} |
646 |
> |
} |
647 |
> |
if (n >= 3) { |
648 |
> |
d = argument(3); |
649 |
> |
if (d < 0.0) { |
650 |
> |
yoff = d-.5; |
651 |
> |
if (yoff+MIDSCN < 0) |
652 |
> |
yoff = -MIDSCN; |
653 |
> |
if (yscan+yoff < 0) |
654 |
> |
yoff = -yscan; |
655 |
> |
} else { |
656 |
> |
yoff = d+.5; |
657 |
> |
if (yoff+MIDSCN >= WINSIZ) |
658 |
> |
yoff = WINSIZ-1-MIDSCN; |
659 |
> |
if (yscan+yoff >= ymax) |
660 |
> |
yoff = ymax-1-yscan; |
661 |
> |
} |
662 |
> |
} |
663 |
> |
if (nam == vbrtin) |
664 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
665 |
> |
n = 3; |
666 |
> |
while (n--) |
667 |
> |
if (nam == vcolin[n]) |
668 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
669 |
> |
eputs("Bad call to l_colin()!\n"); |
670 |
> |
quit(1); |
671 |
> |
return 1; /* pro forma return */ |
672 |
|
} |
673 |
|
|
674 |
|
|
675 |
< |
double |
676 |
< |
l_grnin() /* get green color */ |
675 |
> |
static double |
676 |
> |
l_ray( /* return ray origin or direction */ |
677 |
> |
char *nam |
678 |
> |
) |
679 |
|
{ |
680 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
680 |
> |
static unsigned long ltick[MAXINP]; |
681 |
> |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
682 |
> |
static double ldist[MAXINP]; |
683 |
> |
RREAL loc[2]; |
684 |
> |
double d; |
685 |
> |
int fn; |
686 |
> |
int i; |
687 |
> |
|
688 |
> |
d = argument(1); |
689 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
690 |
> |
errno = EDOM; |
691 |
> |
return(0.0); |
692 |
> |
} |
693 |
> |
if (d < 0.5) |
694 |
> |
return((double)nfiles); |
695 |
> |
fn = d - 0.5; |
696 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
697 |
> |
if (input[fn].vw.type == 0) { |
698 |
> |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
699 |
> |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
700 |
> |
ldist[fn] = -1.0; |
701 |
> |
errno = EDOM; |
702 |
> |
} else { |
703 |
> |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
704 |
> |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
705 |
> |
&input[fn].vw, loc[0], loc[1]); |
706 |
> |
if (ldist[fn] < -FTINY) |
707 |
> |
errno = EDOM; |
708 |
> |
} |
709 |
> |
ltick[fn] = eclock; |
710 |
> |
} |
711 |
> |
if (nam == vray[i=6]) |
712 |
> |
return(ldist[fn]); |
713 |
> |
while (i--) |
714 |
> |
if (nam == vray[i]) |
715 |
> |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
716 |
> |
eputs("Bad call to l_ray()!\n"); |
717 |
> |
quit(1); |
718 |
> |
return 1; /* pro forma return */ |
719 |
|
} |
720 |
|
|
721 |
|
|
722 |
< |
double |
723 |
< |
l_bluin() /* get blue color */ |
722 |
> |
static double |
723 |
> |
l_psize(char *nm) /* compute pixel size in steradians */ |
724 |
|
{ |
725 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
725 |
> |
static unsigned long ltick[MAXINP]; |
726 |
> |
static double psize[MAXINP]; |
727 |
> |
FVECT dir0, org, dirx, diry; |
728 |
> |
RREAL locx[2], locy[2]; |
729 |
> |
double d; |
730 |
> |
int fn; |
731 |
> |
int i; |
732 |
> |
|
733 |
> |
d = argument(1); |
734 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
735 |
> |
errno = EDOM; |
736 |
> |
return(0.0); |
737 |
> |
} |
738 |
> |
if (d < 0.5) |
739 |
> |
return((double)nfiles); |
740 |
> |
fn = d - 0.5; |
741 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
742 |
> |
psize[fn] = 0.0; |
743 |
> |
if (input[fn].vw.type == 0) |
744 |
> |
errno = EDOM; |
745 |
> |
else if (input[fn].vw.type != VT_PAR && |
746 |
> |
funvalue(vray[6], 1, &d) >= -FTINY) { |
747 |
> |
for (i = 0; i < 3; i++) |
748 |
> |
dir0[i] = funvalue(vray[3+i], 1, &d); |
749 |
> |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
750 |
> |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
751 |
> |
if (viewray(org, dirx, &input[fn].vw, |
752 |
> |
locx[0], locx[1]) >= -FTINY && |
753 |
> |
viewray(org, diry, &input[fn].vw, |
754 |
> |
locy[0], locy[1]) >= -FTINY) { |
755 |
> |
/* approximate solid angle */ |
756 |
> |
for (i = 0; i < 3; i++) { |
757 |
> |
dirx[i] -= dir0[i]; |
758 |
> |
diry[i] -= dir0[i]; |
759 |
> |
} |
760 |
> |
fcross(dir0, dirx, diry); |
761 |
> |
psize[fn] = VLEN(dir0); |
762 |
> |
} |
763 |
> |
} |
764 |
> |
ltick[fn] = eclock; |
765 |
> |
} |
766 |
> |
return(psize[fn]); |
767 |
|
} |
768 |
|
|
769 |
|
|
770 |
< |
wputs(msg) |
771 |
< |
char *msg; |
770 |
> |
extern void |
771 |
> |
wputs(const char *msg) |
772 |
|
{ |
773 |
|
if (!nowarn) |
774 |
|
eputs(msg); |
775 |
|
} |
776 |
|
|
777 |
|
|
778 |
< |
eputs(msg) |
779 |
< |
char *msg; |
778 |
> |
extern void |
779 |
> |
eputs(const char *msg) |
780 |
|
{ |
781 |
|
fputs(msg, stderr); |
782 |
|
} |
783 |
|
|
784 |
|
|
785 |
< |
quit(code) |
786 |
< |
int code; |
785 |
> |
extern void |
786 |
> |
quit(int code) /* exit gracefully */ |
787 |
|
{ |
788 |
+ |
int i; |
789 |
+ |
/* close input files */ |
790 |
+ |
for (i = 0; i < nfiles; i++) |
791 |
+ |
if (input[i].name == Command) |
792 |
+ |
pclose(input[i].fp); |
793 |
+ |
else |
794 |
+ |
fclose(input[i].fp); |
795 |
|
exit(code); |
796 |
|
} |