1 |
– |
/* Copyright (c) 1994 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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* Interpolate and extrapolate pictures with different view parameters. |
6 |
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* |
7 |
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* Greg Ward 09Dec89 |
8 |
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*/ |
9 |
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|
10 |
< |
#include "standard.h" |
10 |
> |
#include "copyright.h" |
11 |
|
|
12 |
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#include <ctype.h> |
13 |
+ |
#include <string.h> |
14 |
|
|
15 |
+ |
#include "platform.h" |
16 |
+ |
#include "standard.h" |
17 |
+ |
#include "rtprocess.h" /* Windows: must come before color.h */ |
18 |
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#include "view.h" |
18 |
– |
|
19 |
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#include "color.h" |
20 |
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|
21 |
< |
#include "resolu.h" |
21 |
> |
#define LOG2 0.69314718055994530942 |
22 |
|
|
23 |
|
#define pscan(y) (ourpict+(y)*hresolu) |
24 |
+ |
#define sscan(y) (ourspict+(y)*hresolu) |
25 |
+ |
#define wscan(y) (ourweigh+(y)*hresolu) |
26 |
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#define zscan(y) (ourzbuf+(y)*hresolu) |
27 |
+ |
#define bscan(y) (ourbpict+(y)*hresolu) |
28 |
+ |
#define averaging (ourweigh != NULL) |
29 |
+ |
#define blurring (ourbpict != NULL) |
30 |
+ |
#define usematrix (hasmatrix & !averaging) |
31 |
+ |
#define zisnorm ((!usematrix) | (ourview.type != VT_PER)) |
32 |
|
|
33 |
+ |
#define MAXWT 1000. /* maximum pixel weight (averaging) */ |
34 |
+ |
|
35 |
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#define F_FORE 1 /* fill foreground */ |
36 |
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#define F_BACK 2 /* fill background */ |
37 |
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|
38 |
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#define PACKSIZ 256 /* max. calculation packet size */ |
39 |
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|
40 |
< |
#define RTCOM "rtrace -h- -ovl -fff " |
40 |
> |
#define RTCOM "rtrace -h- -ovl -fff -ld- -i- -I- " |
41 |
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|
42 |
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#define ABS(x) ((x)>0?(x):-(x)) |
43 |
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|
55 |
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|
56 |
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double zeps = .02; /* allowed z epsilon */ |
57 |
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|
58 |
< |
COLR *ourpict; /* output picture */ |
58 |
> |
COLR *ourpict; /* output picture (COLR's) */ |
59 |
> |
COLOR *ourspict; /* output pixel sums (averaging) */ |
60 |
> |
float *ourweigh = NULL; /* output pixel weights (averaging) */ |
61 |
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float *ourzbuf; /* corresponding z-buffer */ |
62 |
+ |
COLOR *ourbpict = NULL; /* blurred picture (view averaging) */ |
63 |
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|
64 |
+ |
VIEW avgview; /* average view for -B option */ |
65 |
+ |
int nvavg; /* number of views averaged */ |
66 |
+ |
|
67 |
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char *progname; |
68 |
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|
69 |
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int fillo = F_FORE|F_BACK; /* selected fill options */ |
70 |
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int fillsamp = 0; /* sample separation (0 == inf) */ |
56 |
– |
extern int backfill(), rcalfill(); /* fill functions */ |
57 |
– |
int (*fillfunc)() = backfill; /* selected fill function */ |
71 |
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COLR backcolr = BLKCOLR; /* background color */ |
72 |
+ |
COLOR backcolor = BLKCOLOR; /* background color (float) */ |
73 |
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double backz = 0.0; /* background z value */ |
74 |
< |
int normdist = 1; /* normalized distance? */ |
75 |
< |
double ourexp = -1; /* output picture exposure */ |
74 |
> |
int normdist = 1; /* i/o normalized distance? */ |
75 |
> |
char ourfmt[LPICFMT+1] = PICFMT; /* original picture format */ |
76 |
> |
double ourexp = -1; /* original picture exposure */ |
77 |
> |
int expadj = 0; /* exposure adjustment (f-stops) */ |
78 |
> |
double rexpadj = 1; /* real exposure adjustment */ |
79 |
|
|
80 |
< |
VIEW theirview = STDVIEW; /* input view */ |
80 |
> |
VIEW theirview; /* input view */ |
81 |
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int gotview; /* got input view? */ |
82 |
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int wrongformat = 0; /* input in another format? */ |
83 |
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RESOLU tresolu; /* input resolution */ |
84 |
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double theirexp; /* input picture exposure */ |
85 |
< |
double theirs2ours[4][4]; /* transformation matrix */ |
85 |
> |
MAT4 theirs2ours; /* transformation matrix */ |
86 |
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int hasmatrix = 0; /* has transformation matrix */ |
87 |
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|
88 |
< |
int PDesc[3] = {-1,-1,-1}; /* rtrace process descriptor */ |
72 |
< |
#define childpid (PDesc[2]) |
88 |
> |
static SUBPROC PDesc = SP_INACTIVE; /* rtrace process descriptor */ |
89 |
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unsigned short queue[PACKSIZ][2]; /* pending pixels */ |
90 |
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int packsiz; /* actual packet size */ |
91 |
< |
int queuesiz; /* number of pixels pending */ |
91 |
> |
int queuesiz = 0; /* number of pixels pending */ |
92 |
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|
93 |
+ |
typedef void fillfunc_t(int x, int y); |
94 |
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|
95 |
< |
main(argc, argv) /* interpolate pictures */ |
96 |
< |
int argc; |
97 |
< |
char *argv[]; |
95 |
> |
static gethfunc headline; |
96 |
> |
static int nextview(FILE *fp); |
97 |
> |
static void compavgview(void); |
98 |
> |
static void addpicture(char *pfile, char *zspec); |
99 |
> |
static int pixform(MAT4 xfmat, VIEW *vw1, VIEW *vw2); |
100 |
> |
static void addscanline(struct bound *xl, int y, |
101 |
> |
COLR *pline, float *zline, struct position *lasty); |
102 |
> |
static void addpixel(struct position *p0, struct position *p1, |
103 |
> |
struct position *p2, COLR pix, double w, double z); |
104 |
> |
static double movepixel(FVECT pos); |
105 |
> |
static int getperim(struct bound *xl, struct bound *yl, float *zline, int zfd); |
106 |
> |
static void backpicture(fillfunc_t *fill, int samp); |
107 |
> |
static void fillpicture(fillfunc_t *fill); |
108 |
> |
static int clipaft(void); |
109 |
> |
static int addblur(void); |
110 |
> |
static void writepicture(void); |
111 |
> |
static void writedistance(char *fname); |
112 |
> |
static fillfunc_t backfill; |
113 |
> |
static fillfunc_t rcalfill; |
114 |
> |
static void calstart(char *prog, char *args); |
115 |
> |
static void caldone(void); |
116 |
> |
static void clearqueue(void); |
117 |
> |
static void syserror(char *s); |
118 |
> |
|
119 |
> |
fillfunc_t *fillfunc = backfill; /* selected fill function */ |
120 |
> |
|
121 |
> |
int |
122 |
> |
main( /* interpolate pictures */ |
123 |
> |
int argc, |
124 |
> |
char *argv[] |
125 |
> |
) |
126 |
|
{ |
127 |
< |
#define check(ol,al) if (argv[i][ol] || \ |
128 |
< |
badarg(argc-i-1,argv+i+1,al)) \ |
127 |
> |
#define check(ol,al) if (argv[an][ol] || \ |
128 |
> |
badarg(argc-an-1,argv+an+1,al)) \ |
129 |
|
goto badopt |
130 |
|
int gotvfile = 0; |
131 |
+ |
int doavg = -1; |
132 |
+ |
int doblur = 0; |
133 |
|
char *zfile = NULL; |
134 |
< |
char *err; |
135 |
< |
int i, rval; |
134 |
> |
char *expcomp = NULL; |
135 |
> |
int i, an, rval; |
136 |
|
|
137 |
+ |
SET_DEFAULT_BINARY(); |
138 |
+ |
SET_FILE_BINARY(stdout); |
139 |
+ |
|
140 |
|
progname = argv[0]; |
141 |
|
|
142 |
< |
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
143 |
< |
rval = getviewopt(&ourview, argc-i, argv+i); |
142 |
> |
for (an = 1; an < argc && argv[an][0] == '-'; an++) { |
143 |
> |
rval = getviewopt(&ourview, argc-an, argv+an); |
144 |
|
if (rval >= 0) { |
145 |
< |
i += rval; |
145 |
> |
an += rval; |
146 |
|
continue; |
147 |
|
} |
148 |
< |
switch (argv[i][1]) { |
148 |
> |
switch (argv[an][1]) { |
149 |
> |
case 'e': /* exposure */ |
150 |
> |
check(2,"f"); |
151 |
> |
expcomp = argv[++an]; |
152 |
> |
break; |
153 |
|
case 't': /* threshold */ |
154 |
|
check(2,"f"); |
155 |
< |
zeps = atof(argv[++i]); |
155 |
> |
zeps = atof(argv[++an]); |
156 |
|
break; |
157 |
+ |
case 'a': /* average */ |
158 |
+ |
check(2,NULL); |
159 |
+ |
doavg = 1; |
160 |
+ |
break; |
161 |
+ |
case 'B': /* blur views */ |
162 |
+ |
check(2,NULL); |
163 |
+ |
doblur = 1; |
164 |
+ |
break; |
165 |
+ |
case 'q': /* quick (no avg.) */ |
166 |
+ |
check(2,NULL); |
167 |
+ |
doavg = 0; |
168 |
+ |
break; |
169 |
|
case 'n': /* dist. normalized? */ |
170 |
|
check(2,NULL); |
171 |
|
normdist = !normdist; |
172 |
|
break; |
173 |
|
case 'f': /* fill type */ |
174 |
< |
switch (argv[i][2]) { |
174 |
> |
switch (argv[an][2]) { |
175 |
|
case '0': /* none */ |
176 |
|
check(3,NULL); |
177 |
|
fillo = 0; |
190 |
|
break; |
191 |
|
case 's': /* sample */ |
192 |
|
check(3,"i"); |
193 |
< |
fillsamp = atoi(argv[++i]); |
193 |
> |
fillsamp = atoi(argv[++an]); |
194 |
|
break; |
195 |
|
case 'c': /* color */ |
196 |
|
check(3,"fff"); |
197 |
|
fillfunc = backfill; |
198 |
< |
setcolr(backcolr, atof(argv[i+1]), |
199 |
< |
atof(argv[i+2]), atof(argv[i+3])); |
200 |
< |
i += 3; |
198 |
> |
setcolor(backcolor, atof(argv[an+1]), |
199 |
> |
atof(argv[an+2]), atof(argv[an+3])); |
200 |
> |
setcolr(backcolr, colval(backcolor,RED), |
201 |
> |
colval(backcolor,GRN), |
202 |
> |
colval(backcolor,BLU)); |
203 |
> |
an += 3; |
204 |
|
break; |
205 |
|
case 'z': /* z value */ |
206 |
|
check(3,"f"); |
207 |
|
fillfunc = backfill; |
208 |
< |
backz = atof(argv[++i]); |
208 |
> |
backz = atof(argv[++an]); |
209 |
|
break; |
210 |
|
case 'r': /* rtrace */ |
211 |
|
check(3,"s"); |
212 |
|
fillfunc = rcalfill; |
213 |
< |
calstart(RTCOM, argv[++i]); |
213 |
> |
calstart(RTCOM, argv[++an]); |
214 |
|
break; |
215 |
|
default: |
216 |
|
goto badopt; |
218 |
|
break; |
219 |
|
case 'z': /* z file */ |
220 |
|
check(2,"s"); |
221 |
< |
zfile = argv[++i]; |
221 |
> |
zfile = argv[++an]; |
222 |
|
break; |
223 |
|
case 'x': /* x resolution */ |
224 |
|
check(2,"i"); |
225 |
< |
hresolu = atoi(argv[++i]); |
225 |
> |
hresolu = atoi(argv[++an]); |
226 |
|
break; |
227 |
|
case 'y': /* y resolution */ |
228 |
|
check(2,"i"); |
229 |
< |
vresolu = atoi(argv[++i]); |
229 |
> |
vresolu = atoi(argv[++an]); |
230 |
|
break; |
231 |
|
case 'p': /* pixel aspect */ |
232 |
< |
if (argv[i][2] != 'a') |
232 |
> |
if (argv[an][2] != 'a') |
233 |
|
goto badopt; |
234 |
|
check(3,"f"); |
235 |
< |
pixaspect = atof(argv[++i]); |
235 |
> |
pixaspect = atof(argv[++an]); |
236 |
|
break; |
237 |
|
case 'v': /* view file */ |
238 |
< |
if (argv[i][2] != 'f') |
238 |
> |
if (argv[an][2] != 'f') |
239 |
|
goto badopt; |
240 |
|
check(3,"s"); |
241 |
< |
gotvfile = viewfile(argv[++i], &ourview, 0, 0); |
241 |
> |
gotvfile = viewfile(argv[++an], &ourview, NULL); |
242 |
|
if (gotvfile < 0) |
243 |
< |
syserror(argv[i]); |
243 |
> |
syserror(argv[an]); |
244 |
|
else if (gotvfile == 0) { |
245 |
|
fprintf(stderr, "%s: bad view file\n", |
246 |
< |
argv[i]); |
246 |
> |
argv[an]); |
247 |
|
exit(1); |
248 |
|
} |
249 |
|
break; |
250 |
|
default: |
251 |
|
badopt: |
252 |
|
fprintf(stderr, "%s: command line error at '%s'\n", |
253 |
< |
progname, argv[i]); |
253 |
> |
progname, argv[an]); |
254 |
|
goto userr; |
255 |
|
} |
256 |
|
} |
257 |
|
/* check arguments */ |
258 |
< |
if ((argc-i)%2) |
258 |
> |
if ((argc-an)%2) |
259 |
|
goto userr; |
260 |
|
if (fillsamp == 1) |
261 |
|
fillo &= ~F_BACK; |
262 |
+ |
if (doavg < 0) |
263 |
+ |
doavg = (argc-an) > 2; |
264 |
+ |
if (expcomp != NULL) { |
265 |
+ |
if ((expcomp[0] == '+') | (expcomp[0] == '-')) { |
266 |
+ |
expadj = atof(expcomp) + (expcomp[0]=='+' ? .5 : -.5); |
267 |
+ |
if (doavg | doblur) |
268 |
+ |
rexpadj = pow(2.0, atof(expcomp)); |
269 |
+ |
else |
270 |
+ |
rexpadj = pow(2.0, (double)expadj); |
271 |
+ |
} else { |
272 |
+ |
if (!isflt(expcomp)) |
273 |
+ |
goto userr; |
274 |
+ |
rexpadj = atof(expcomp); |
275 |
+ |
expadj = log(rexpadj)/LOG2 + (rexpadj>1 ? .5 : -.5); |
276 |
+ |
if (!(doavg | doblur)) |
277 |
+ |
rexpadj = pow(2.0, (double)expadj); |
278 |
+ |
} |
279 |
+ |
} |
280 |
|
/* set view */ |
281 |
< |
if ((err = setview(&ourview)) != NULL) { |
282 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
281 |
> |
if (nextview(doblur ? stdin : (FILE *)NULL) == EOF) { |
282 |
> |
fprintf(stderr, "%s: no view on standard input!\n", |
283 |
> |
progname); |
284 |
|
exit(1); |
285 |
|
} |
286 |
|
normaspect(viewaspect(&ourview), &pixaspect, &hresolu, &vresolu); |
287 |
|
/* allocate frame */ |
288 |
< |
ourpict = (COLR *)bmalloc(hresolu*vresolu*sizeof(COLR)); |
288 |
> |
if (doavg) { |
289 |
> |
ourspict = (COLOR *)bmalloc(hresolu*vresolu*sizeof(COLOR)); |
290 |
> |
ourweigh = (float *)bmalloc(hresolu*vresolu*sizeof(float)); |
291 |
> |
if ((ourspict == NULL) | (ourweigh == NULL)) |
292 |
> |
syserror(progname); |
293 |
> |
} else { |
294 |
> |
ourpict = (COLR *)bmalloc(hresolu*vresolu*sizeof(COLR)); |
295 |
> |
if (ourpict == NULL) |
296 |
> |
syserror(progname); |
297 |
> |
} |
298 |
> |
if (doblur) { |
299 |
> |
ourbpict = (COLOR *)bmalloc(hresolu*vresolu*sizeof(COLOR)); |
300 |
> |
if (ourbpict == NULL) |
301 |
> |
syserror(progname); |
302 |
> |
} |
303 |
|
ourzbuf = (float *)bmalloc(hresolu*vresolu*sizeof(float)); |
304 |
< |
if (ourpict == NULL || ourzbuf == NULL) |
304 |
> |
if (ourzbuf == NULL) |
305 |
|
syserror(progname); |
204 |
– |
bzero((char *)ourzbuf, hresolu*vresolu*sizeof(float)); |
306 |
|
/* new header */ |
307 |
|
newheader("RADIANCE", stdout); |
308 |
< |
/* get input */ |
309 |
< |
for ( ; i < argc; i += 2) |
310 |
< |
addpicture(argv[i], argv[i+1]); |
311 |
< |
/* fill in spaces */ |
312 |
< |
if (fillo&F_BACK) |
313 |
< |
backpicture(fillfunc, fillsamp); |
314 |
< |
else |
315 |
< |
fillpicture(fillfunc); |
308 |
> |
fputnow(stdout); |
309 |
> |
/* run pictures */ |
310 |
> |
do { |
311 |
> |
memset((char *)ourzbuf, '\0', hresolu*vresolu*sizeof(float)); |
312 |
> |
for (i = an; i < argc; i += 2) |
313 |
> |
addpicture(argv[i], argv[i+1]); |
314 |
> |
if (fillo&F_BACK) /* fill in spaces */ |
315 |
> |
backpicture(fillfunc, fillsamp); |
316 |
> |
else |
317 |
> |
fillpicture(fillfunc); |
318 |
> |
/* aft clipping */ |
319 |
> |
clipaft(); |
320 |
> |
} while (addblur() && nextview(stdin) != EOF); |
321 |
|
/* close calculation */ |
322 |
|
caldone(); |
217 |
– |
/* aft clipping */ |
218 |
– |
clipaft(); |
323 |
|
/* add to header */ |
324 |
|
printargs(argc, argv, stdout); |
325 |
< |
if (gotvfile) { |
325 |
> |
compavgview(); |
326 |
> |
if (doblur | gotvfile) { |
327 |
|
fputs(VIEWSTR, stdout); |
328 |
< |
fprintview(&ourview, stdout); |
328 |
> |
fprintview(&avgview, stdout); |
329 |
|
putc('\n', stdout); |
330 |
|
} |
331 |
< |
if (pixaspect < .99 || pixaspect > 1.01) |
331 |
> |
if ((pixaspect < .99) | (pixaspect > 1.01)) |
332 |
|
fputaspect(pixaspect, stdout); |
333 |
< |
if (ourexp > 0 && (ourexp < .995 || ourexp > 1.005)) |
333 |
> |
if (ourexp > 0) |
334 |
> |
ourexp *= rexpadj; |
335 |
> |
else |
336 |
> |
ourexp = rexpadj; |
337 |
> |
if ((ourexp < .995) | (ourexp > 1.005)) |
338 |
|
fputexpos(ourexp, stdout); |
339 |
< |
fputformat(COLRFMT, stdout); |
339 |
> |
if (strcmp(ourfmt, PICFMT)) /* print format if known */ |
340 |
> |
fputformat(ourfmt, stdout); |
341 |
|
putc('\n', stdout); |
342 |
|
/* write picture */ |
343 |
|
writepicture(); |
348 |
|
exit(0); |
349 |
|
userr: |
350 |
|
fprintf(stderr, |
351 |
< |
"Usage: %s [view opts][-t eps][-z zout][-fT][-n] pfile zspec ..\n", |
351 |
> |
"Usage: %s [view opts][-t eps][-z zout][-e spec][-B][-a|-q][-fT][-n] pfile zspec ..\n", |
352 |
|
progname); |
353 |
|
exit(1); |
354 |
|
#undef check |
355 |
|
} |
356 |
|
|
357 |
|
|
358 |
< |
headline(s) /* process header string */ |
359 |
< |
char *s; |
358 |
> |
static int |
359 |
> |
headline( /* process header string */ |
360 |
> |
char *s, |
361 |
> |
void *p |
362 |
> |
) |
363 |
|
{ |
364 |
< |
char fmt[32]; |
364 |
> |
char fmt[MAXFMTLEN]; |
365 |
|
|
366 |
|
if (isheadid(s)) |
367 |
< |
return; |
367 |
> |
return(0); |
368 |
|
if (formatval(fmt, s)) { |
369 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
370 |
< |
return; |
369 |
> |
if (globmatch(ourfmt, fmt)) { |
370 |
> |
wrongformat = 0; |
371 |
> |
strcpy(ourfmt, fmt); |
372 |
> |
} else |
373 |
> |
wrongformat = 1; |
374 |
> |
return(0); |
375 |
|
} |
376 |
< |
putc('\t', stdout); |
377 |
< |
fputs(s, stdout); |
378 |
< |
|
376 |
> |
if (nvavg < 2) { |
377 |
> |
putc('\t', stdout); |
378 |
> |
fputs(s, stdout); |
379 |
> |
} |
380 |
|
if (isexpos(s)) { |
381 |
|
theirexp *= exposval(s); |
382 |
< |
return; |
382 |
> |
return(0); |
383 |
|
} |
384 |
|
if (isview(s) && sscanview(&theirview, s) > 0) |
385 |
|
gotview++; |
386 |
+ |
return(0); |
387 |
|
} |
388 |
|
|
389 |
|
|
390 |
< |
addpicture(pfile, zspec) /* add picture to output */ |
391 |
< |
char *pfile, *zspec; |
390 |
> |
static int |
391 |
> |
nextview( /* get and set next view */ |
392 |
> |
FILE *fp |
393 |
> |
) |
394 |
|
{ |
395 |
+ |
char linebuf[256]; |
396 |
+ |
char *err; |
397 |
+ |
int i; |
398 |
+ |
|
399 |
+ |
if (fp != NULL) { |
400 |
+ |
do /* get new view */ |
401 |
+ |
if (fgets(linebuf, sizeof(linebuf), fp) == NULL) |
402 |
+ |
return(EOF); |
403 |
+ |
while (!isview(linebuf) || !sscanview(&ourview, linebuf)); |
404 |
+ |
} |
405 |
+ |
/* set new view */ |
406 |
+ |
if ((err = setview(&ourview)) != NULL) { |
407 |
+ |
fprintf(stderr, "%s: %s\n", progname, err); |
408 |
+ |
exit(1); |
409 |
+ |
} |
410 |
+ |
if (!nvavg) { /* first view */ |
411 |
+ |
avgview = ourview; |
412 |
+ |
return(nvavg++); |
413 |
+ |
} |
414 |
+ |
/* add to average view */ |
415 |
+ |
for (i = 0; i < 3; i++) { |
416 |
+ |
avgview.vp[i] += ourview.vp[i]; |
417 |
+ |
avgview.vdir[i] += ourview.vdir[i]; |
418 |
+ |
avgview.vup[i] += ourview.vup[i]; |
419 |
+ |
} |
420 |
+ |
avgview.vdist += ourview.vdist; |
421 |
+ |
avgview.horiz += ourview.horiz; |
422 |
+ |
avgview.vert += ourview.vert; |
423 |
+ |
avgview.hoff += ourview.hoff; |
424 |
+ |
avgview.voff += ourview.voff; |
425 |
+ |
avgview.vfore += ourview.vfore; |
426 |
+ |
avgview.vaft += ourview.vaft; |
427 |
+ |
return(nvavg++); |
428 |
+ |
} |
429 |
+ |
|
430 |
+ |
|
431 |
+ |
static void |
432 |
+ |
compavgview(void) /* compute average view */ |
433 |
+ |
{ |
434 |
+ |
int i; |
435 |
+ |
double f; |
436 |
+ |
|
437 |
+ |
if (nvavg < 2) |
438 |
+ |
return; |
439 |
+ |
f = 1.0/nvavg; |
440 |
+ |
for (i = 0; i < 3; i++) { |
441 |
+ |
avgview.vp[i] *= f; |
442 |
+ |
avgview.vdir[i] *= f; |
443 |
+ |
avgview.vup[i] *= f; |
444 |
+ |
} |
445 |
+ |
avgview.vdist *= f; |
446 |
+ |
avgview.horiz *= f; |
447 |
+ |
avgview.vert *= f; |
448 |
+ |
avgview.hoff *= f; |
449 |
+ |
avgview.voff *= f; |
450 |
+ |
avgview.vfore *= f; |
451 |
+ |
avgview.vaft *= f; |
452 |
+ |
if (setview(&avgview) != NULL) /* in case of emergency... */ |
453 |
+ |
avgview = ourview; |
454 |
+ |
pixaspect = viewaspect(&avgview) * hresolu / vresolu; |
455 |
+ |
} |
456 |
+ |
|
457 |
+ |
|
458 |
+ |
static void |
459 |
+ |
addpicture( /* add picture to output */ |
460 |
+ |
char *pfile, |
461 |
+ |
char *zspec |
462 |
+ |
) |
463 |
+ |
{ |
464 |
|
FILE *pfp; |
465 |
|
int zfd; |
466 |
|
char *err; |
474 |
|
syserror(pfile); |
475 |
|
/* get header with exposure and view */ |
476 |
|
theirexp = 1.0; |
477 |
+ |
theirview = stdview; |
478 |
|
gotview = 0; |
479 |
< |
printf("%s:\n", pfile); |
479 |
> |
if (nvavg < 2) |
480 |
> |
printf("%s:\n", pfile); |
481 |
|
getheader(pfp, headline, NULL); |
482 |
|
if (wrongformat || !gotview || !fgetsresolu(&tresolu, pfp)) { |
483 |
|
fprintf(stderr, "%s: picture format error\n", pfile); |
487 |
|
ourexp = theirexp; |
488 |
|
else if (ABS(theirexp-ourexp) > .01*ourexp) |
489 |
|
fprintf(stderr, "%s: different exposure (warning)\n", pfile); |
490 |
< |
if (err = setview(&theirview)) { |
490 |
> |
if ( (err = setview(&theirview)) ) { |
491 |
|
fprintf(stderr, "%s: %s\n", pfile, err); |
492 |
|
exit(1); |
493 |
|
} |
497 |
|
zin = (float *)malloc(scanlen(&tresolu)*sizeof(float)); |
498 |
|
if (zin == NULL) |
499 |
|
syserror(progname); |
500 |
< |
if ((zfd = open(zspec, O_RDONLY)) == -1) { |
500 |
> |
if ((zfd = open_float_depth(zspec, (long)tresolu.xr*tresolu.yr)) < 0) { |
501 |
|
double zvalue; |
502 |
< |
register int x; |
503 |
< |
if (!isfloat(zspec) || (zvalue = atof(zspec)) <= 0.0) |
502 |
> |
int x; |
503 |
> |
if (!isflt(zspec) || (zvalue = atof(zspec)) <= 0.0) |
504 |
|
syserror(zspec); |
505 |
|
for (x = scanlen(&tresolu); x-- > 0; ) |
506 |
|
zin[x] = zvalue; |
510 |
|
if (xlim == NULL) |
511 |
|
syserror(progname); |
512 |
|
if (!getperim(xlim, &ylim, zin, zfd)) { /* overlapping area? */ |
513 |
< |
free((char *)zin); |
514 |
< |
free((char *)xlim); |
513 |
> |
free((void *)zin); |
514 |
> |
free((void *)xlim); |
515 |
|
if (zfd != -1) |
516 |
|
close(zfd); |
517 |
|
fclose(pfp); |
521 |
|
scanin = (COLR *)malloc(scanlen(&tresolu)*sizeof(COLR)); |
522 |
|
plast = (struct position *)calloc(scanlen(&tresolu), |
523 |
|
sizeof(struct position)); |
524 |
< |
if (scanin == NULL | plast == NULL) |
524 |
> |
if ((scanin == NULL) | (plast == NULL)) |
525 |
|
syserror(progname); |
526 |
|
/* skip to starting point */ |
527 |
|
for (y = 0; y < ylim.min; y++) |
530 |
|
exit(1); |
531 |
|
} |
532 |
|
if (zfd != -1 && lseek(zfd, |
533 |
< |
(long)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
533 |
> |
(off_t)ylim.min*scanlen(&tresolu)*sizeof(float), |
534 |
> |
SEEK_SET) < 0) |
535 |
|
syserror(zspec); |
536 |
|
/* load image */ |
537 |
|
for (y = ylim.min; y <= ylim.max; y++) { |
546 |
|
addscanline(xlim+y, y, scanin, zin, plast); |
547 |
|
} |
548 |
|
/* clean up */ |
549 |
< |
free((char *)xlim); |
550 |
< |
free((char *)scanin); |
551 |
< |
free((char *)zin); |
552 |
< |
free((char *)plast); |
549 |
> |
free((void *)xlim); |
550 |
> |
free((void *)scanin); |
551 |
> |
free((void *)zin); |
552 |
> |
free((void *)plast); |
553 |
|
fclose(pfp); |
554 |
|
if (zfd != -1) |
555 |
|
close(zfd); |
556 |
|
} |
557 |
|
|
558 |
|
|
559 |
< |
pixform(xfmat, vw1, vw2) /* compute view1 to view2 matrix */ |
560 |
< |
register double xfmat[4][4]; |
561 |
< |
register VIEW *vw1, *vw2; |
559 |
> |
static int |
560 |
> |
pixform( /* compute view1 to view2 matrix */ |
561 |
> |
MAT4 xfmat, |
562 |
> |
VIEW *vw1, |
563 |
> |
VIEW *vw2 |
564 |
> |
) |
565 |
|
{ |
566 |
< |
double m4t[4][4]; |
566 |
> |
MAT4 m4t; |
567 |
|
|
568 |
< |
if (vw1->type != VT_PER && vw1->type != VT_PAR) |
568 |
> |
if ((vw1->type != VT_PER) & (vw1->type != VT_PAR)) |
569 |
|
return(0); |
570 |
< |
if (vw2->type != VT_PER && vw2->type != VT_PAR) |
570 |
> |
if ((vw2->type != VT_PER) & (vw2->type != VT_PAR)) |
571 |
|
return(0); |
572 |
|
setident4(xfmat); |
573 |
|
xfmat[0][0] = vw1->hvec[0]; |
600 |
|
} |
601 |
|
|
602 |
|
|
603 |
< |
addscanline(xl, y, pline, zline, lasty) /* add scanline to output */ |
604 |
< |
struct bound *xl; |
605 |
< |
int y; |
606 |
< |
COLR *pline; |
607 |
< |
float *zline; |
608 |
< |
struct position *lasty; /* input/output */ |
603 |
> |
static void |
604 |
> |
addscanline( /* add scanline to output */ |
605 |
> |
struct bound *xl, |
606 |
> |
int y, |
607 |
> |
COLR *pline, |
608 |
> |
float *zline, |
609 |
> |
struct position *lasty /* input/output */ |
610 |
> |
) |
611 |
|
{ |
612 |
|
FVECT pos; |
613 |
|
struct position lastx, newpos; |
614 |
< |
register int x; |
614 |
> |
double wt; |
615 |
> |
int x; |
616 |
|
|
617 |
|
lastx.z = 0; |
618 |
|
for (x = xl->max; x >= xl->min; x--) { |
619 |
|
pix2loc(pos, &tresolu, x, y); |
620 |
|
pos[2] = zline[x]; |
621 |
< |
if (movepixel(pos) < 0) { |
621 |
> |
if ((wt = movepixel(pos)) <= FTINY) { |
622 |
|
lasty[x].z = lastx.z = 0; /* mark invalid */ |
623 |
|
continue; |
624 |
|
} |
625 |
+ |
/* add pixel to our image */ |
626 |
|
newpos.x = pos[0] * hresolu; |
627 |
|
newpos.y = pos[1] * vresolu; |
628 |
|
newpos.z = zline[x]; |
629 |
< |
/* add pixel to our image */ |
630 |
< |
if (pos[0] >= 0 && newpos.x < hresolu |
631 |
< |
&& pos[1] >= 0 && newpos.y < vresolu) { |
632 |
< |
addpixel(&newpos, &lastx, &lasty[x], pline[x], pos[2]); |
433 |
< |
lasty[x].x = lastx.x = newpos.x; |
434 |
< |
lasty[x].y = lastx.y = newpos.y; |
435 |
< |
lasty[x].z = lastx.z = newpos.z; |
436 |
< |
} else |
437 |
< |
lasty[x].z = lastx.z = 0; /* mark invalid */ |
629 |
> |
addpixel(&newpos, &lastx, &lasty[x], pline[x], wt, pos[2]); |
630 |
> |
lasty[x].x = lastx.x = newpos.x; |
631 |
> |
lasty[x].y = lastx.y = newpos.y; |
632 |
> |
lasty[x].z = lastx.z = newpos.z; |
633 |
|
} |
634 |
|
} |
635 |
|
|
636 |
|
|
637 |
< |
addpixel(p0, p1, p2, pix, z) /* fill in pixel parallelogram */ |
638 |
< |
struct position *p0, *p1, *p2; |
639 |
< |
COLR pix; |
640 |
< |
double z; |
637 |
> |
static void |
638 |
> |
addpixel( /* fill in pixel parallelogram */ |
639 |
> |
struct position *p0, |
640 |
> |
struct position *p1, |
641 |
> |
struct position *p2, |
642 |
> |
COLR pix, |
643 |
> |
double w, |
644 |
> |
double z |
645 |
> |
) |
646 |
|
{ |
647 |
|
double zt = 2.*zeps*p0->z; /* threshold */ |
648 |
+ |
COLOR pval; /* converted+weighted pixel */ |
649 |
|
int s1x, s1y, s2x, s2y; /* step sizes */ |
650 |
|
int l1, l2, c1, c2; /* side lengths and counters */ |
651 |
|
int p1isy; /* p0p1 along y? */ |
652 |
|
int x1, y1; /* p1 position */ |
653 |
< |
register int x, y; /* final position */ |
653 |
> |
int x, y; /* final position */ |
654 |
|
|
655 |
|
/* compute vector p0p1 */ |
656 |
|
if (fillo&F_FORE && ABS(p1->z-p0->z) <= zt) { |
657 |
|
s1x = p1->x - p0->x; |
658 |
|
s1y = p1->y - p0->y; |
659 |
|
l1 = ABS(s1x); |
660 |
< |
if (p1isy = (ABS(s1y) > l1)) |
660 |
> |
if ( (p1isy = (ABS(s1y) > l1)) ) |
661 |
|
l1 = ABS(s1y); |
662 |
+ |
else if (l1 < 1) |
663 |
+ |
l1 = 1; |
664 |
|
} else { |
665 |
|
l1 = s1x = s1y = 1; |
666 |
|
p1isy = -1; |
676 |
|
if (p1isy != 0 && ABS(s2x) > l2) |
677 |
|
l2 = ABS(s2x); |
678 |
|
} |
679 |
+ |
if (l2 < 1) |
680 |
+ |
l2 = 1; |
681 |
|
} else |
682 |
|
l2 = s2x = s2y = 1; |
683 |
|
/* fill the parallelogram */ |
684 |
+ |
if (averaging) { |
685 |
+ |
colr_color(pval, pix); |
686 |
+ |
scalecolor(pval, w); |
687 |
+ |
} |
688 |
|
for (c1 = l1; c1-- > 0; ) { |
689 |
|
x1 = p0->x + c1*s1x/l1; |
690 |
|
y1 = p0->y + c1*s1y/l1; |
691 |
|
for (c2 = l2; c2-- > 0; ) { |
692 |
|
x = x1 + c2*s2x/l2; |
693 |
< |
if (x < 0 || x >= hresolu) |
693 |
> |
if ((x < 0) | (x >= hresolu)) |
694 |
|
continue; |
695 |
|
y = y1 + c2*s2y/l2; |
696 |
< |
if (y < 0 || y >= vresolu) |
696 |
> |
if ((y < 0) | (y >= vresolu)) |
697 |
|
continue; |
698 |
< |
if (zscan(y)[x] <= 0 || zscan(y)[x]-z |
698 |
> |
if (averaging) { |
699 |
> |
if (zscan(y)[x] <= 0 || zscan(y)[x]-z |
700 |
|
> zeps*zscan(y)[x]) { |
701 |
< |
zscan(y)[x] = z; |
701 |
> |
copycolor(sscan(y)[x], pval); |
702 |
> |
wscan(y)[x] = w; |
703 |
> |
zscan(y)[x] = z; |
704 |
> |
} else if (z-zscan(y)[x] <= zeps*zscan(y)[x]) { |
705 |
> |
addcolor(sscan(y)[x], pval); |
706 |
> |
wscan(y)[x] += w; |
707 |
> |
} |
708 |
> |
} else if (zscan(y)[x] <= 0 || zscan(y)[x]-z |
709 |
> |
> zeps*zscan(y)[x]) { |
710 |
|
copycolr(pscan(y)[x], pix); |
711 |
+ |
zscan(y)[x] = z; |
712 |
|
} |
713 |
|
} |
714 |
|
} |
715 |
|
} |
716 |
|
|
717 |
|
|
718 |
< |
getperim(xl, yl, zline, zfd) /* compute overlapping image area */ |
719 |
< |
register struct bound *xl; |
720 |
< |
struct bound *yl; |
721 |
< |
float *zline; |
503 |
< |
int zfd; |
718 |
> |
static double |
719 |
> |
movepixel( /* reposition image point */ |
720 |
> |
FVECT pos |
721 |
> |
) |
722 |
|
{ |
723 |
+ |
FVECT pt, tdir, odir; |
724 |
+ |
double d; |
725 |
+ |
|
726 |
+ |
if (pos[2] <= 0) /* empty pixel */ |
727 |
+ |
return(0); |
728 |
+ |
if (usematrix) { |
729 |
+ |
pos[0] += theirview.hoff - .5; |
730 |
+ |
pos[1] += theirview.voff - .5; |
731 |
+ |
if (normdist & (theirview.type == VT_PER)) |
732 |
+ |
d = sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
733 |
+ |
+ pos[1]*pos[1]*theirview.vn2); |
734 |
+ |
else |
735 |
+ |
d = 1.; |
736 |
+ |
pos[2] += d*theirview.vfore; |
737 |
+ |
if (theirview.type == VT_PER) { |
738 |
+ |
pos[2] /= d; |
739 |
+ |
pos[0] *= pos[2]; |
740 |
+ |
pos[1] *= pos[2]; |
741 |
+ |
} |
742 |
+ |
multp3(pos, pos, theirs2ours); |
743 |
+ |
if (pos[2] <= ourview.vfore) |
744 |
+ |
return(0); |
745 |
+ |
if (ourview.type == VT_PER) { |
746 |
+ |
pos[0] /= pos[2]; |
747 |
+ |
pos[1] /= pos[2]; |
748 |
+ |
} |
749 |
+ |
pos[0] += .5 - ourview.hoff; |
750 |
+ |
pos[1] += .5 - ourview.voff; |
751 |
+ |
pos[2] -= ourview.vfore; |
752 |
+ |
} else { |
753 |
+ |
if (viewray(pt, tdir, &theirview, pos[0], pos[1]) < -FTINY) |
754 |
+ |
return(0); |
755 |
+ |
if ((!normdist) & (theirview.type == VT_PER)) /* adjust */ |
756 |
+ |
pos[2] /= DOT(theirview.vdir, tdir); |
757 |
+ |
pt[0] += tdir[0]*pos[2]; |
758 |
+ |
pt[1] += tdir[1]*pos[2]; |
759 |
+ |
pt[2] += tdir[2]*pos[2]; |
760 |
+ |
if (viewloc(pos, &ourview, pt) <= 0) |
761 |
+ |
return(0); |
762 |
+ |
} |
763 |
+ |
if ((pos[0] < 0) | (pos[0] >= 1-FTINY) | (pos[1] < 0) | (pos[1] >= 1-FTINY)) |
764 |
+ |
return(0); |
765 |
+ |
if (!averaging) |
766 |
+ |
return(1); |
767 |
+ |
/* compute pixel weight */ |
768 |
+ |
if (ourview.type == VT_PAR) { |
769 |
+ |
d = DOT(ourview.vdir,tdir); |
770 |
+ |
d = 1. - d*d; |
771 |
+ |
} else { |
772 |
+ |
VSUB(odir, pt, ourview.vp); |
773 |
+ |
d = DOT(odir,tdir); |
774 |
+ |
d = 1. - d*d/DOT(odir,odir); |
775 |
+ |
} |
776 |
+ |
if (d <= 1./MAXWT/MAXWT) |
777 |
+ |
return(MAXWT); /* clip to maximum weight */ |
778 |
+ |
return(1./sqrt(d)); |
779 |
+ |
} |
780 |
+ |
|
781 |
+ |
|
782 |
+ |
static int |
783 |
+ |
getperim( /* compute overlapping image area */ |
784 |
+ |
struct bound *xl, |
785 |
+ |
struct bound *yl, |
786 |
+ |
float *zline, |
787 |
+ |
int zfd |
788 |
+ |
) |
789 |
+ |
{ |
790 |
|
int step; |
791 |
|
FVECT pos; |
792 |
< |
register int x, y; |
792 |
> |
int x, y; |
793 |
|
/* set up step size */ |
794 |
|
if (scanlen(&tresolu) < numscans(&tresolu)) |
795 |
|
step = scanlen(&tresolu)/NSTEPS; |
808 |
|
yl->min = 32000; yl->max = 0; /* search for points on image */ |
809 |
|
for (y = step - 1; y < numscans(&tresolu); y += step) { |
810 |
|
if (zfd != -1) { |
811 |
< |
if (lseek(zfd, (long)y*scanlen(&tresolu)*sizeof(float), |
812 |
< |
0) < 0) |
811 |
> |
if (lseek(zfd, (off_t)y*scanlen(&tresolu)*sizeof(float), |
812 |
> |
SEEK_SET) < 0) |
813 |
|
syserror("lseek"); |
814 |
|
if (read(zfd, (char *)zline, |
815 |
|
scanlen(&tresolu)*sizeof(float)) |
820 |
|
for (x = scanlen(&tresolu); (x -= step) > 0; ) { |
821 |
|
pix2loc(pos, &tresolu, x, y); |
822 |
|
pos[2] = zline[x]; |
823 |
< |
if (movepixel(pos) == 0 && pos[0] >= 0 && |
539 |
< |
pos[0] < 1 && pos[1] >= 0 && |
540 |
< |
pos[1] < 1) { |
823 |
> |
if (movepixel(pos) > FTINY) { |
824 |
|
xl[y].max = x + step - 1; |
825 |
|
xl[y].min = x - step + 1; /* x min */ |
826 |
|
if (xl[y].min < 0) |
828 |
|
for (x = step - 1; x < xl[y].max; x += step) { |
829 |
|
pix2loc(pos, &tresolu, x, y); |
830 |
|
pos[2] = zline[x]; |
831 |
< |
if (movepixel(pos) == 0 && |
549 |
< |
pos[0] >= 0 && |
550 |
< |
pos[0] < 1 && |
551 |
< |
pos[1] >= 0 && |
552 |
< |
pos[1] < 1) { |
831 |
> |
if (movepixel(pos) > FTINY) { |
832 |
|
xl[y].min = x - step + 1; |
833 |
|
break; |
834 |
|
} |
840 |
|
} |
841 |
|
} |
842 |
|
/* fill in between */ |
843 |
< |
if (xl[y].min < xl[y-step].min) |
843 |
> |
if (y < step) { |
844 |
|
xl[y-1].min = xl[y].min; |
566 |
– |
else |
567 |
– |
xl[y-1].min = xl[y-step].min; |
568 |
– |
if (xl[y].max > xl[y-step].max) |
845 |
|
xl[y-1].max = xl[y].max; |
846 |
< |
else |
847 |
< |
xl[y-1].max = xl[y-step].max; |
846 |
> |
} else { |
847 |
> |
if (xl[y].min < xl[y-step].min) |
848 |
> |
xl[y-1].min = xl[y].min; |
849 |
> |
else |
850 |
> |
xl[y-1].min = xl[y-step].min; |
851 |
> |
if (xl[y].max > xl[y-step].max) |
852 |
> |
xl[y-1].max = xl[y].max; |
853 |
> |
else |
854 |
> |
xl[y-1].max = xl[y-step].max; |
855 |
> |
} |
856 |
|
for (x = 2; x < step; x++) |
857 |
< |
copystruct(xl+y-x, xl+y-1); |
857 |
> |
*(xl+y-x) = *(xl+y-1); |
858 |
|
} |
859 |
|
if (yl->max >= numscans(&tresolu)) |
860 |
|
yl->max = numscans(&tresolu) - 1; |
861 |
+ |
y -= step; |
862 |
|
for (x = numscans(&tresolu) - 1; x > y; x--) /* fill bottom rows */ |
863 |
< |
copystruct(xl+x, xl+y); |
863 |
> |
*(xl+x) = *(xl+y); |
864 |
|
return(yl->max >= yl->min); |
865 |
|
} |
866 |
|
|
867 |
|
|
868 |
< |
movepixel(pos) /* reposition image point */ |
869 |
< |
FVECT pos; |
868 |
> |
static void |
869 |
> |
backpicture( /* background fill algorithm */ |
870 |
> |
fillfunc_t *fill, |
871 |
> |
int samp |
872 |
> |
) |
873 |
|
{ |
586 |
– |
double d0, d1; |
587 |
– |
FVECT pt, direc; |
588 |
– |
|
589 |
– |
if (pos[2] <= 0) /* empty pixel */ |
590 |
– |
return(-1); |
591 |
– |
if (normdist && theirview.type == VT_PER) { /* adjust distance */ |
592 |
– |
d0 = pos[0] + theirview.hoff - .5; |
593 |
– |
d1 = pos[1] + theirview.voff - .5; |
594 |
– |
pos[2] /= sqrt(1. + d0*d0*theirview.hn2 + d1*d1*theirview.vn2); |
595 |
– |
} |
596 |
– |
if (hasmatrix) { |
597 |
– |
pos[0] += theirview.hoff - .5; |
598 |
– |
pos[1] += theirview.voff - .5; |
599 |
– |
if (theirview.type == VT_PER) { |
600 |
– |
pos[0] *= pos[2]; |
601 |
– |
pos[1] *= pos[2]; |
602 |
– |
} |
603 |
– |
multp3(pos, pos, theirs2ours); |
604 |
– |
if (pos[2] <= 0) |
605 |
– |
return(-1); |
606 |
– |
if (ourview.type == VT_PER) { |
607 |
– |
pos[0] /= pos[2]; |
608 |
– |
pos[1] /= pos[2]; |
609 |
– |
} |
610 |
– |
pos[0] += .5 - ourview.hoff; |
611 |
– |
pos[1] += .5 - ourview.voff; |
612 |
– |
return(0); |
613 |
– |
} |
614 |
– |
if (viewray(pt, direc, &theirview, pos[0], pos[1]) < -FTINY) |
615 |
– |
return(-1); |
616 |
– |
pt[0] += direc[0]*pos[2]; |
617 |
– |
pt[1] += direc[1]*pos[2]; |
618 |
– |
pt[2] += direc[2]*pos[2]; |
619 |
– |
viewloc(pos, &ourview, pt); |
620 |
– |
if (pos[2] <= 0) |
621 |
– |
return(-1); |
622 |
– |
return(0); |
623 |
– |
} |
624 |
– |
|
625 |
– |
|
626 |
– |
backpicture(fill, samp) /* background fill algorithm */ |
627 |
– |
int (*fill)(); |
628 |
– |
int samp; |
629 |
– |
{ |
874 |
|
int *yback, xback; |
875 |
|
int y; |
876 |
< |
register int x, i; |
876 |
> |
int x, i; |
877 |
|
/* get back buffer */ |
878 |
|
yback = (int *)malloc(hresolu*sizeof(int)); |
879 |
|
if (yback == NULL) |
937 |
|
< zscan(y)[xback] ) ) { |
938 |
|
if (samp > 0 && ABS(x-xback) >= samp) |
939 |
|
goto fillit; |
940 |
< |
copycolr(pscan(y)[x],pscan(y)[xback]); |
940 |
> |
if (averaging) { |
941 |
> |
copycolor(sscan(y)[x], |
942 |
> |
sscan(y)[xback]); |
943 |
> |
wscan(y)[x] = wscan(y)[xback]; |
944 |
> |
} else |
945 |
> |
copycolr(pscan(y)[x], |
946 |
> |
pscan(y)[xback]); |
947 |
|
zscan(y)[x] = zscan(y)[xback]; |
948 |
|
} else { |
949 |
|
if (samp > 0 && ABS(y-yback[x]) > samp) |
950 |
|
goto fillit; |
951 |
< |
copycolr(pscan(y)[x],pscan(yback[x])[x]); |
951 |
> |
if (averaging) { |
952 |
> |
copycolor(sscan(y)[x], |
953 |
> |
sscan(yback[x])[x]); |
954 |
> |
wscan(y)[x] = |
955 |
> |
wscan(yback[x])[x]; |
956 |
> |
} else |
957 |
> |
copycolr(pscan(y)[x], |
958 |
> |
pscan(yback[x])[x]); |
959 |
|
zscan(y)[x] = zscan(yback[x])[x]; |
960 |
|
} |
961 |
|
continue; |
971 |
|
xback = -2; |
972 |
|
} |
973 |
|
} |
974 |
< |
free((char *)yback); |
974 |
> |
free((void *)yback); |
975 |
|
} |
976 |
|
|
977 |
|
|
978 |
< |
fillpicture(fill) /* paint in empty pixels using fill */ |
979 |
< |
int (*fill)(); |
978 |
> |
static void |
979 |
> |
fillpicture( /* paint in empty pixels using fill */ |
980 |
> |
fillfunc_t *fill |
981 |
> |
) |
982 |
|
{ |
983 |
< |
register int x, y; |
983 |
> |
int x, y; |
984 |
|
|
985 |
|
for (y = 0; y < vresolu; y++) |
986 |
|
for (x = 0; x < hresolu; x++) |
987 |
|
if (zscan(y)[x] <= 0) |
988 |
|
(*fill)(x,y); |
989 |
+ |
if (fill == rcalfill) |
990 |
+ |
clearqueue(); |
991 |
|
} |
992 |
|
|
993 |
|
|
994 |
< |
clipaft() /* perform aft clipping as indicated */ |
994 |
> |
static int |
995 |
> |
clipaft(void) /* perform aft clipping as indicated */ |
996 |
|
{ |
997 |
< |
register int x, y; |
997 |
> |
int x, y; |
998 |
> |
int adjtest = (ourview.type == VT_PER) & zisnorm; |
999 |
|
double tstdist; |
1000 |
|
double yzn2, vx; |
1001 |
|
|
1002 |
|
if (ourview.vaft <= FTINY) |
1003 |
< |
return; |
1004 |
< |
tstdist = ourview.vaft; |
1003 |
> |
return(0); |
1004 |
> |
tstdist = ourview.vaft - ourview.vfore; |
1005 |
|
for (y = 0; y < vresolu; y++) { |
1006 |
< |
if (ourview.type == VT_PER) { /* adjust distance */ |
1006 |
> |
if (adjtest) { /* adjust test */ |
1007 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
1008 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
1009 |
< |
tstdist = ourview.vaft * sqrt(yzn2); |
1009 |
> |
tstdist = (ourview.vaft - ourview.vfore)*sqrt(yzn2); |
1010 |
|
} |
1011 |
|
for (x = 0; x < hresolu; x++) |
1012 |
|
if (zscan(y)[x] > tstdist) { |
1013 |
< |
if (ourview.type == VT_PER) { |
1013 |
> |
if (adjtest) { |
1014 |
|
vx = (x+.5)/hresolu + ourview.hoff - .5; |
1015 |
< |
if (zscan(y)[x] <= ourview.vaft * |
1015 |
> |
if (zscan(y)[x] <= (ourview.vaft - |
1016 |
> |
ourview.vfore) * |
1017 |
|
sqrt(vx*vx*ourview.hn2 + yzn2)) |
1018 |
|
continue; |
1019 |
|
} |
1020 |
< |
bzero(pscan(y)[x], sizeof(COLR)); |
1020 |
> |
if (averaging) |
1021 |
> |
memset(sscan(y)[x], '\0', sizeof(COLOR)); |
1022 |
> |
else |
1023 |
> |
memset(pscan(y)[x], '\0', sizeof(COLR)); |
1024 |
|
zscan(y)[x] = 0.0; |
1025 |
|
} |
1026 |
|
} |
1027 |
+ |
return(1); |
1028 |
|
} |
1029 |
|
|
1030 |
|
|
1031 |
< |
writepicture() /* write out picture */ |
1031 |
> |
static int |
1032 |
> |
addblur(void) /* add to blurred picture */ |
1033 |
|
{ |
1034 |
+ |
COLOR cval; |
1035 |
+ |
double d; |
1036 |
+ |
int i; |
1037 |
+ |
|
1038 |
+ |
if (!blurring) |
1039 |
+ |
return(0); |
1040 |
+ |
i = hresolu*vresolu; |
1041 |
+ |
if (nvavg < 2) |
1042 |
+ |
if (averaging) |
1043 |
+ |
while (i--) { |
1044 |
+ |
copycolor(ourbpict[i], ourspict[i]); |
1045 |
+ |
d = 1.0/ourweigh[i]; |
1046 |
+ |
scalecolor(ourbpict[i], d); |
1047 |
+ |
} |
1048 |
+ |
else |
1049 |
+ |
while (i--) |
1050 |
+ |
colr_color(ourbpict[i], ourpict[i]); |
1051 |
+ |
else |
1052 |
+ |
if (averaging) |
1053 |
+ |
while (i--) { |
1054 |
+ |
copycolor(cval, ourspict[i]); |
1055 |
+ |
d = 1.0/ourweigh[i]; |
1056 |
+ |
scalecolor(cval, d); |
1057 |
+ |
addcolor(ourbpict[i], cval); |
1058 |
+ |
} |
1059 |
+ |
else |
1060 |
+ |
while (i--) { |
1061 |
+ |
colr_color(cval, ourpict[i]); |
1062 |
+ |
addcolor(ourbpict[i], cval); |
1063 |
+ |
} |
1064 |
+ |
/* print view */ |
1065 |
+ |
printf("VIEW%d:", nvavg); |
1066 |
+ |
fprintview(&ourview, stdout); |
1067 |
+ |
putchar('\n'); |
1068 |
+ |
return(1); |
1069 |
+ |
} |
1070 |
+ |
|
1071 |
+ |
|
1072 |
+ |
static void |
1073 |
+ |
writepicture(void) /* write out picture (alters buffer) */ |
1074 |
+ |
{ |
1075 |
|
int y; |
1076 |
+ |
int x; |
1077 |
+ |
double d; |
1078 |
|
|
1079 |
|
fprtresolu(hresolu, vresolu, stdout); |
1080 |
|
for (y = vresolu-1; y >= 0; y--) |
1081 |
< |
if (fwritecolrs(pscan(y), hresolu, stdout) < 0) |
1082 |
< |
syserror(progname); |
1081 |
> |
if (blurring) { |
1082 |
> |
for (x = 0; x < hresolu; x++) { /* compute avg. */ |
1083 |
> |
d = rexpadj/nvavg; |
1084 |
> |
scalecolor(bscan(y)[x], d); |
1085 |
> |
} |
1086 |
> |
if (fwritescan(bscan(y), hresolu, stdout) < 0) |
1087 |
> |
syserror(progname); |
1088 |
> |
} else if (averaging) { |
1089 |
> |
for (x = 0; x < hresolu; x++) { /* average pixels */ |
1090 |
> |
d = rexpadj/wscan(y)[x]; |
1091 |
> |
scalecolor(sscan(y)[x], d); |
1092 |
> |
} |
1093 |
> |
if (fwritescan(sscan(y), hresolu, stdout) < 0) |
1094 |
> |
syserror(progname); |
1095 |
> |
} else { |
1096 |
> |
if (expadj) |
1097 |
> |
shiftcolrs(pscan(y), hresolu, expadj); |
1098 |
> |
if (fwritecolrs(pscan(y), hresolu, stdout) < 0) |
1099 |
> |
syserror(progname); |
1100 |
> |
} |
1101 |
|
} |
1102 |
|
|
1103 |
|
|
1104 |
< |
writedistance(fname) /* write out z file */ |
1105 |
< |
char *fname; |
1104 |
> |
static void |
1105 |
> |
writedistance( /* write out z file (alters buffer) */ |
1106 |
> |
char *fname |
1107 |
> |
) |
1108 |
|
{ |
1109 |
< |
int donorm = normdist && ourview.type == VT_PER; |
1109 |
> |
int donorm = normdist & !zisnorm ? 1 : |
1110 |
> |
(ourview.type == VT_PER) & !normdist & zisnorm ? -1 : 0; |
1111 |
|
int fd; |
1112 |
|
int y; |
780 |
– |
float *zout; |
1113 |
|
|
1114 |
|
if ((fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1) |
1115 |
|
syserror(fname); |
784 |
– |
if (donorm |
785 |
– |
&& (zout = (float *)malloc(hresolu*sizeof(float))) == NULL) |
786 |
– |
syserror(progname); |
1116 |
|
for (y = vresolu-1; y >= 0; y--) { |
1117 |
|
if (donorm) { |
1118 |
< |
double vx, yzn2; |
1119 |
< |
register int x; |
1118 |
> |
double vx, yzn2, d; |
1119 |
> |
int x; |
1120 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
1121 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
1122 |
|
for (x = 0; x < hresolu; x++) { |
1123 |
|
vx = (x+.5)/hresolu + ourview.hoff - .5; |
1124 |
< |
zout[x] = zscan(y)[x] |
1125 |
< |
* sqrt(vx*vx*ourview.hn2 + yzn2); |
1124 |
> |
d = sqrt(vx*vx*ourview.hn2 + yzn2); |
1125 |
> |
if (donorm > 0) |
1126 |
> |
zscan(y)[x] *= d; |
1127 |
> |
else |
1128 |
> |
zscan(y)[x] /= d; |
1129 |
|
} |
1130 |
< |
} else |
1131 |
< |
zout = zscan(y); |
800 |
< |
if (write(fd, (char *)zout, hresolu*sizeof(float)) |
1130 |
> |
} |
1131 |
> |
if (write(fd, (char *)zscan(y), hresolu*sizeof(float)) |
1132 |
|
< hresolu*sizeof(float)) |
1133 |
|
syserror(fname); |
1134 |
|
} |
804 |
– |
if (donorm) |
805 |
– |
free((char *)zout); |
1135 |
|
close(fd); |
1136 |
|
} |
1137 |
|
|
1138 |
|
|
1139 |
< |
isfloat(s) /* see if string is floating number */ |
1140 |
< |
register char *s; |
1139 |
> |
static void |
1140 |
> |
backfill( /* fill pixel with background */ |
1141 |
> |
int x, |
1142 |
> |
int y |
1143 |
> |
) |
1144 |
|
{ |
1145 |
< |
for ( ; *s; s++) |
1146 |
< |
if ((*s < '0' || *s > '9') && *s != '.' && *s != '-' |
1147 |
< |
&& *s != 'e' && *s != 'E' && *s != '+') |
1148 |
< |
return(0); |
1149 |
< |
return(1); |
818 |
< |
} |
819 |
< |
|
820 |
< |
|
821 |
< |
backfill(x, y) /* fill pixel with background */ |
822 |
< |
int x, y; |
823 |
< |
{ |
824 |
< |
register BYTE *dest = pscan(y)[x]; |
825 |
< |
|
826 |
< |
copycolr(dest, backcolr); |
1145 |
> |
if (averaging) { |
1146 |
> |
copycolor(sscan(y)[x], backcolor); |
1147 |
> |
wscan(y)[x] = 1; |
1148 |
> |
} else |
1149 |
> |
copycolr(pscan(y)[x], backcolr); |
1150 |
|
zscan(y)[x] = backz; |
1151 |
|
} |
1152 |
|
|
1153 |
|
|
1154 |
< |
calstart(prog, args) /* start fill calculation */ |
1155 |
< |
char *prog, *args; |
1154 |
> |
static void |
1155 |
> |
calstart( /* start fill calculation */ |
1156 |
> |
char *prog, |
1157 |
> |
char *args |
1158 |
> |
) |
1159 |
|
{ |
1160 |
|
char combuf[512]; |
1161 |
|
char *argv[64]; |
1162 |
|
int rval; |
1163 |
< |
register char **wp, *cp; |
1163 |
> |
char **wp, *cp; |
1164 |
|
|
1165 |
< |
if (childpid != -1) { |
1165 |
> |
if (PDesc.running) { |
1166 |
|
fprintf(stderr, "%s: too many calculations\n", progname); |
1167 |
|
exit(1); |
1168 |
|
} |
1181 |
|
} |
1182 |
|
*wp = NULL; |
1183 |
|
/* start process */ |
1184 |
< |
if ((rval = open_process(PDesc, argv)) < 0) |
1184 |
> |
if ((rval = open_process(&PDesc, argv)) < 0) |
1185 |
|
syserror(progname); |
1186 |
|
if (rval == 0) { |
1187 |
|
fprintf(stderr, "%s: command not found\n", argv[0]); |
1194 |
|
} |
1195 |
|
|
1196 |
|
|
1197 |
< |
caldone() /* done with calculation */ |
1197 |
> |
static void |
1198 |
> |
caldone(void) /* done with calculation */ |
1199 |
|
{ |
1200 |
< |
if (childpid == -1) |
1200 |
> |
if (!PDesc.running) |
1201 |
|
return; |
1202 |
|
clearqueue(); |
1203 |
< |
close_process(PDesc); |
877 |
< |
childpid = -1; |
1203 |
> |
close_process(&PDesc); |
1204 |
|
} |
1205 |
|
|
1206 |
|
|
1207 |
< |
rcalfill(x, y) /* fill with ray-calculated pixel */ |
1208 |
< |
int x, y; |
1207 |
> |
static void |
1208 |
> |
rcalfill( /* fill with ray-calculated pixel */ |
1209 |
> |
int x, |
1210 |
> |
int y |
1211 |
> |
) |
1212 |
|
{ |
1213 |
|
if (queuesiz >= packsiz) /* flush queue if needed */ |
1214 |
|
clearqueue(); |
1219 |
|
} |
1220 |
|
|
1221 |
|
|
1222 |
< |
clearqueue() /* process queue */ |
1222 |
> |
static void |
1223 |
> |
clearqueue(void) /* process queue */ |
1224 |
|
{ |
1225 |
|
FVECT orig, dir; |
1226 |
|
float fbuf[6*(PACKSIZ+1)]; |
1227 |
< |
register float *fbp; |
1228 |
< |
register int i; |
1227 |
> |
float *fbp; |
1228 |
> |
int i; |
1229 |
> |
double vx, vy; |
1230 |
|
|
1231 |
|
if (queuesiz == 0) |
1232 |
|
return; |
1239 |
|
*fbp++ = dir[0]; *fbp++ = dir[1]; *fbp++ = dir[2]; |
1240 |
|
} |
1241 |
|
/* mark end and get results */ |
1242 |
< |
bzero((char *)fbp, 6*sizeof(float)); |
1243 |
< |
if (process(PDesc, fbuf, fbuf, 4*sizeof(float)*queuesiz, |
1242 |
> |
memset((char *)fbp, '\0', 6*sizeof(float)); |
1243 |
> |
if (process(&PDesc, (char *)fbuf, (char *)fbuf, |
1244 |
> |
4*sizeof(float)*(queuesiz+1), |
1245 |
|
6*sizeof(float)*(queuesiz+1)) != |
1246 |
< |
4*sizeof(float)*queuesiz) { |
1246 |
> |
4*sizeof(float)*(queuesiz+1)) { |
1247 |
|
fprintf(stderr, "%s: error reading from rtrace process\n", |
1248 |
|
progname); |
1249 |
|
exit(1); |
1255 |
|
fbp[1] *= ourexp; |
1256 |
|
fbp[2] *= ourexp; |
1257 |
|
} |
1258 |
< |
setcolr(pscan(queue[i][1])[queue[i][0]], |
1259 |
< |
fbp[0], fbp[1], fbp[2]); |
1260 |
< |
zscan(queue[i][1])[queue[i][0]] = fbp[3]; |
1258 |
> |
if (averaging) { |
1259 |
> |
setcolor(sscan(queue[i][1])[queue[i][0]], |
1260 |
> |
fbp[0], fbp[1], fbp[2]); |
1261 |
> |
wscan(queue[i][1])[queue[i][0]] = 1; |
1262 |
> |
} else |
1263 |
> |
setcolr(pscan(queue[i][1])[queue[i][0]], |
1264 |
> |
fbp[0], fbp[1], fbp[2]); |
1265 |
> |
if (zisnorm) |
1266 |
> |
zscan(queue[i][1])[queue[i][0]] = fbp[3]; |
1267 |
> |
else { |
1268 |
> |
vx = (queue[i][0]+.5)/hresolu + ourview.hoff - .5; |
1269 |
> |
vy = (queue[i][1]+.5)/vresolu + ourview.voff - .5; |
1270 |
> |
zscan(queue[i][1])[queue[i][0]] = fbp[3] / sqrt(1. + |
1271 |
> |
vx*vx*ourview.hn2 + vy*vy*ourview.vn2); |
1272 |
> |
} |
1273 |
|
fbp += 4; |
1274 |
|
} |
1275 |
|
queuesiz = 0; |
1276 |
|
} |
1277 |
|
|
1278 |
|
|
1279 |
< |
syserror(s) /* report error and exit */ |
1280 |
< |
char *s; |
1279 |
> |
static void |
1280 |
> |
syserror( /* report error and exit */ |
1281 |
> |
char *s |
1282 |
> |
) |
1283 |
|
{ |
1284 |
|
perror(s); |
1285 |
|
exit(1); |