27 |
|
|
28 |
|
double pj = 0.; |
29 |
|
|
30 |
+ |
double pd = 0.; |
31 |
+ |
|
32 |
|
int zfd = -1; |
33 |
|
|
34 |
|
int fromstdin = 0; |
35 |
|
|
36 |
+ |
int unbuffered = 0; |
37 |
+ |
|
38 |
+ |
int repeatcnt = 1; |
39 |
+ |
|
40 |
|
char *progname; |
41 |
|
|
42 |
|
|
48 |
|
{ |
49 |
|
char *err; |
50 |
|
int rval, getdim = 0; |
51 |
< |
register int i; |
51 |
> |
int i; |
52 |
|
|
53 |
|
progname = argv[0]; |
54 |
|
if (argc < 2) |
62 |
|
break; |
63 |
|
case 'f': /* float */ |
64 |
|
putr = putf; |
65 |
+ |
SET_FILE_BINARY(stdout); |
66 |
|
break; |
67 |
|
case 'd': /* double */ |
68 |
|
putr = putd; |
69 |
+ |
SET_FILE_BINARY(stdout); |
70 |
|
break; |
71 |
|
default: |
72 |
|
goto userr; |
79 |
|
fprintf(stderr, |
80 |
|
"%s: no view in file\n", |
81 |
|
argv[i]); |
82 |
< |
exit(1); |
82 |
> |
return(1); |
83 |
|
} |
84 |
|
break; |
85 |
|
} |
96 |
|
if (rs.xr <= 0) { |
97 |
|
fprintf(stderr, "%s: bad x resolution\n", |
98 |
|
progname); |
99 |
< |
exit(1); |
99 |
> |
return(1); |
100 |
|
} |
101 |
|
break; |
102 |
|
case 'y': /* y resolution */ |
104 |
|
if (rs.yr <= 0) { |
105 |
|
fprintf(stderr, "%s: bad y resolution\n", |
106 |
|
progname); |
107 |
< |
exit(1); |
107 |
> |
return(1); |
108 |
|
} |
109 |
|
break; |
110 |
+ |
case 'c': /* repeat count */ |
111 |
+ |
repeatcnt = atoi(argv[++i]); |
112 |
+ |
break; |
113 |
|
case 'p': /* pixel aspect or jitter */ |
114 |
|
if (argv[i][2] == 'a') |
115 |
|
pa = atof(argv[++i]); |
116 |
|
else if (argv[i][2] == 'j') |
117 |
< |
pj= atof(argv[++i]); |
117 |
> |
pj = atof(argv[++i]); |
118 |
> |
else if (argv[i][2] == 'd') |
119 |
> |
pd = atof(argv[++i]); |
120 |
|
else |
121 |
|
goto userr; |
122 |
|
break; |
123 |
|
case 'i': /* get pixels from stdin */ |
124 |
|
fromstdin = 1; |
125 |
|
break; |
126 |
+ |
case 'u': /* unbuffered output */ |
127 |
+ |
unbuffered = 1; |
128 |
+ |
break; |
129 |
|
default: |
130 |
|
goto userr; |
131 |
|
} |
135 |
|
rval = viewfile(argv[i], &vw, &rs); |
136 |
|
if (rval <= 0) { |
137 |
|
fprintf(stderr, "%s: no view in picture\n", argv[i]); |
138 |
< |
exit(1); |
138 |
> |
return(1); |
139 |
|
} |
140 |
< |
if (i+1 < argc) { |
141 |
< |
zfd = open(argv[i+1], O_RDONLY); |
142 |
< |
if (zfd < 0) { |
143 |
< |
fprintf(stderr, |
128 |
< |
"%s: cannot open depth buffer\n", |
129 |
< |
argv[i+1]); |
130 |
< |
exit(1); |
131 |
< |
} |
140 |
> |
if (!getdim & (i+1 < argc)) { |
141 |
> |
zfd = open_float_depth(argv[i+1], (long)rs.xr*rs.yr); |
142 |
> |
if (zfd < 0) |
143 |
> |
return(1); |
144 |
|
} |
145 |
|
} |
146 |
|
if ((err = setview(&vw)) != NULL) { |
147 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
148 |
< |
exit(1); |
148 |
> |
return(1); |
149 |
|
} |
150 |
|
if (i == argc) |
151 |
|
normaspect(viewaspect(&vw), &pa, &rs.xr, &rs.yr); |
152 |
|
if (getdim) { |
153 |
< |
printf("-x %d -y %d -ld%c\n", rs.xr, rs.yr, |
154 |
< |
vw.vaft > FTINY ? '+' : '-'); |
155 |
< |
exit(0); |
153 |
> |
printf("-x %d -y %d%s\n", rs.xr, rs.yr, |
154 |
> |
(vw.vaft > FTINY) ? " -ld+" : ""); |
155 |
> |
return(0); |
156 |
|
} |
157 |
|
if (fromstdin) |
158 |
|
pix2rays(stdin); |
159 |
|
else |
160 |
|
putrays(); |
161 |
< |
exit(0); |
161 |
> |
return(0); |
162 |
|
userr: |
163 |
|
fprintf(stderr, |
164 |
< |
"Usage: %s [ -i -f{a|f|d} | -d ] { view opts .. | picture [zbuf] }\n", |
164 |
> |
"Usage: %s [ -i -u -f{a|f|d} -c rept | -d ] { view opts .. | picture [zbuf] }\n", |
165 |
|
progname); |
166 |
< |
exit(1); |
166 |
> |
return(1); |
167 |
|
} |
168 |
|
|
169 |
|
|
190 |
|
RREAL loc[2]; |
191 |
|
int pp[2]; |
192 |
|
double d; |
193 |
< |
register int i; |
193 |
> |
int i, c; |
194 |
|
|
195 |
|
while (fscanf(fp, "%lf %lf", &px, &py) == 2) { |
196 |
|
px += .5; py += .5; |
185 |
– |
if (px < 0 || px >= rs.xr || |
186 |
– |
py < 0 || py >= rs.yr) { |
187 |
– |
fprintf(stderr, |
188 |
– |
"%s: (x,y) pair (%.0f,%.0f) out of range\n", |
189 |
– |
progname, px, py); |
190 |
– |
exit(1); |
191 |
– |
} |
197 |
|
loc[0] = px/rs.xr; loc[1] = py/rs.yr; |
198 |
|
if (zfd >= 0) { |
199 |
+ |
if ((loc[0] < 0) | (loc[0] >= 1) | |
200 |
+ |
(loc[1] < 0) | (loc[1] >= 1)) { |
201 |
+ |
fprintf(stderr, "%s: input pixel outside image\n", |
202 |
+ |
progname); |
203 |
+ |
exit(1); |
204 |
+ |
} |
205 |
|
loc2pix(pp, &rs, loc[0], loc[1]); |
206 |
|
if (lseek(zfd, |
207 |
|
(pp[1]*scanlen(&rs)+pp[0])*sizeof(float), |
213 |
|
exit(1); |
214 |
|
} |
215 |
|
} |
216 |
< |
jitterloc(loc); |
217 |
< |
d = viewray(rorg, rdir, &vw, loc[0], loc[1]); |
218 |
< |
if (d < -FTINY) |
219 |
< |
rorg[0] = rorg[1] = rorg[2] = |
220 |
< |
rdir[0] = rdir[1] = rdir[2] = 0.; |
221 |
< |
else if (zfd >= 0) |
222 |
< |
for (i = 0; i < 3; i++) { |
223 |
< |
rorg[i] += rdir[i]*zval; |
224 |
< |
rdir[i] = -rdir[i]; |
216 |
> |
for (c = repeatcnt; c-- > 0; ) { |
217 |
> |
jitterloc(loc); |
218 |
> |
d = viewray(rorg, rdir, &vw, loc[0], loc[1]); |
219 |
> |
if (d < -FTINY || !jitteraperture(rorg, rdir, &vw, pd)) |
220 |
> |
rorg[0] = rorg[1] = rorg[2] = |
221 |
> |
rdir[0] = rdir[1] = rdir[2] = 0.; |
222 |
> |
else if (zfd >= 0) |
223 |
> |
for (i = 0; i < 3; i++) { |
224 |
> |
rorg[i] += rdir[i]*zval; |
225 |
> |
rdir[i] = -rdir[i]; |
226 |
> |
} |
227 |
> |
else if (d > FTINY) { |
228 |
> |
rdir[0] *= d; rdir[1] *= d; rdir[2] *= d; |
229 |
|
} |
230 |
< |
else if (d > FTINY) { |
231 |
< |
rdir[0] *= d; rdir[1] *= d; rdir[2] *= d; |
230 |
> |
(*putr)(rorg, rdir); |
231 |
> |
if (c) { |
232 |
> |
loc[0] = px/rs.xr; loc[1] = py/rs.yr; |
233 |
> |
} |
234 |
|
} |
235 |
< |
(*putr)(rorg, rdir); |
235 |
> |
if (unbuffered) |
236 |
> |
fflush(stdout); |
237 |
|
} |
238 |
|
if (!feof(fp)) { |
239 |
|
fprintf(stderr, "%s: expected px py on input\n", progname); |
250 |
|
float *zbuf = NULL; |
251 |
|
int sc; |
252 |
|
double d; |
253 |
< |
register int si, i; |
253 |
> |
int si, i, c; |
254 |
|
|
255 |
|
if (zfd >= 0) { |
256 |
|
zbuf = (float *)malloc(scanlen(&rs)*sizeof(float)); |
269 |
|
} |
270 |
|
} |
271 |
|
for (si = 0; si < scanlen(&rs); si++) { |
272 |
+ |
for (c = repeatcnt; c-- > 0; ) { |
273 |
|
pix2loc(loc, &rs, si, sc); |
274 |
|
jitterloc(loc); |
275 |
|
d = viewray(rorg, rdir, &vw, loc[0], loc[1]); |
276 |
< |
if (d < -FTINY) |
276 |
> |
if (d < -FTINY || !jitteraperture(rorg, rdir, &vw, pd)) |
277 |
|
rorg[0] = rorg[1] = rorg[2] = |
278 |
|
rdir[0] = rdir[1] = rdir[2] = 0.; |
279 |
|
else if (zfd >= 0) |
280 |
|
for (i = 0; i < 3; i++) { |
281 |
< |
rorg[i] += rdir[i]*zbuf[si]; |
282 |
< |
rdir[i] = -rdir[i]; |
281 |
> |
rdir[i] = -rdir[i]*zbuf[si]; |
282 |
> |
rorg[i] -= rdir[i]; |
283 |
|
} |
284 |
|
else if (d > FTINY) { |
285 |
|
rdir[0] *= d; rdir[1] *= d; rdir[2] *= d; |
286 |
|
} |
287 |
|
(*putr)(rorg, rdir); |
288 |
+ |
} |
289 |
|
} |
290 |
|
} |
291 |
|
if (zfd >= 0) |
315 |
|
|
316 |
|
v[0] = ro[0]; v[1] = ro[1]; v[2] = ro[2]; |
317 |
|
v[3] = rd[0]; v[4] = rd[1]; v[5] = rd[2]; |
318 |
< |
fwrite(v, sizeof(float), 6, stdout); |
318 |
> |
putbinary(v, sizeof(float), 6, stdout); |
319 |
|
} |
320 |
|
|
321 |
|
|
329 |
|
|
330 |
|
v[0] = ro[0]; v[1] = ro[1]; v[2] = ro[2]; |
331 |
|
v[3] = rd[0]; v[4] = rd[1]; v[5] = rd[2]; |
332 |
< |
fwrite(v, sizeof(double), 6, stdout); |
332 |
> |
putbinary(v, sizeof(double), 6, stdout); |
333 |
|
} |