| 18 |
|
#else |
| 19 |
|
#include <signal.h> |
| 20 |
|
#endif |
| 21 |
< |
#include <sys/fcntl.h> |
| 21 |
> |
#include <fcntl.h> |
| 22 |
|
|
| 23 |
|
#include "view.h" |
| 24 |
|
|
| 141 |
|
fputresolu(YMAJOR|YDECR, hresolu, vresolu, stdout); |
| 142 |
|
/* recover file and compute first */ |
| 143 |
|
i = salvage(oldfile); |
| 144 |
< |
if (zfd != -1 && lseek(zfd, (long)i*hresolu*sizeof(float), 0) == -1) |
| 144 |
> |
if (zfd != -1 && i > 0 && |
| 145 |
> |
lseek(zfd, (long)i*hresolu*sizeof(float), 0) == -1) |
| 146 |
|
error(SYSTEM, "z file seek error in render"); |
| 147 |
|
ypos = vresolu-1 - i; |
| 148 |
|
fillscanline(scanbar[0], zbar[0], hresolu, ypos, psample); |
| 150 |
|
/* compute scanlines */ |
| 151 |
|
for (ypos -= ystep; ypos > -ystep; ypos -= ystep) { |
| 152 |
|
/* record progress */ |
| 153 |
< |
pctdone = 100.0*(vresolu-ypos-ystep)/vresolu; |
| 153 |
> |
pctdone = 100.0*(vresolu-1-ypos-ystep)/vresolu; |
| 154 |
|
/* bottom adjust? */ |
| 155 |
|
if (ypos < 0) { |
| 156 |
|
ystep += ypos; |
| 168 |
|
fillscanbar(scanbar, zbar, hresolu, ypos, ystep); |
| 169 |
|
/* write it out */ |
| 170 |
|
for (i = ystep; i > 0; i--) { |
| 171 |
< |
if (zfd!=-1 && write(zfd,zbar[i],hresolu*sizeof(float)) |
| 171 |
> |
if (zfd != -1 && write(zfd, (char *)zbar[i], |
| 172 |
> |
hresolu*sizeof(float)) |
| 173 |
|
< hresolu*sizeof(float)) |
| 174 |
|
goto writerr; |
| 175 |
< |
if (fwritescan(scanbar[i],hresolu,stdout) < 0) |
| 175 |
> |
if (fwritescan(scanbar[i], hresolu, stdout) < 0) |
| 176 |
|
goto writerr; |
| 177 |
|
} |
| 178 |
|
if (fflush(stdout) == EOF) |
| 180 |
|
} |
| 181 |
|
/* clean up */ |
| 182 |
|
if (zfd != -1) { |
| 183 |
< |
if (write(zfd,zbar[0],hresolu*sizeof(float)) |
| 183 |
> |
if (write(zfd, (char *)zbar[0], hresolu*sizeof(float)) |
| 184 |
|
< hresolu*sizeof(float)) |
| 185 |
|
goto writerr; |
| 186 |
< |
close(zfd); |
| 186 |
> |
if (close(zfd) == -1) |
| 187 |
> |
goto writerr; |
| 188 |
|
for (i = 0; i <= psample; i++) |
| 189 |
|
free((char *)zbar[i]); |
| 190 |
|
} |
| 236 |
|
COLOR vline[MAXDIV+1]; |
| 237 |
|
float zline[MAXDIV+1]; |
| 238 |
|
int b = ysize; |
| 236 |
– |
double z; |
| 239 |
|
register int i, j; |
| 240 |
|
|
| 241 |
|
for (i = 0; i < xres; i++) { |
| 321 |
|
{ |
| 322 |
|
static RAY thisray; /* our ray for this pixel */ |
| 323 |
|
|
| 324 |
< |
viewray(thisray.rorg, thisray.rdir, &ourview, |
| 325 |
< |
(x+pixjitter())/hresolu, (y+pixjitter())/vresolu); |
| 324 |
> |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
| 325 |
> |
(x+pixjitter())/hresolu, (y+pixjitter())/vresolu) < 0) { |
| 326 |
> |
setcolor(col, 0.0, 0.0, 0.0); |
| 327 |
> |
return(0.0); |
| 328 |
> |
} |
| 329 |
|
|
| 330 |
|
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 331 |
|
|
| 333 |
|
|
| 334 |
|
copycolor(col, thisray.rcol); /* return color */ |
| 335 |
|
|
| 336 |
< |
return(thisray.rot); /* return distance */ |
| 336 |
> |
return(thisray.rt); /* return distance */ |
| 337 |
|
} |
| 338 |
|
|
| 339 |
|
|
