263 |
|
return; |
264 |
|
} |
265 |
|
for (x = 0; x < ourview.hresolu; x++) |
266 |
< |
yback[x] = -1; |
266 |
> |
yback[x] = -2; |
267 |
|
/* fill image */ |
268 |
< |
for (y = 0; y < ourview.vresolu; y++) |
268 |
> |
for (y = 0; y < ourview.vresolu; y++) { |
269 |
> |
xback = -2; |
270 |
|
for (x = 0; x < ourview.hresolu; x++) |
271 |
< |
if (zscan(y)[x] <= 0.0) { /* found hole */ |
272 |
< |
xback = x-1; |
273 |
< |
do { /* find boundary */ |
274 |
< |
if (yback[x] < 0) { |
275 |
< |
for (i = y+1; |
276 |
< |
i < ourview.vresolu; |
276 |
< |
i++) |
277 |
< |
if (zscan(i)[x] > 0.0) |
278 |
< |
break; |
279 |
< |
if (i < ourview.vresolu |
271 |
> |
if (zscan(y)[x] <= 0.0) { /* empty pixel */ |
272 |
> |
if (yback[x] == -2) { |
273 |
> |
for (i = y+1; i < ourview.vresolu; i++) |
274 |
> |
if (zscan(i)[x] > 0.0) |
275 |
> |
break; |
276 |
> |
if (i < ourview.vresolu |
277 |
|
&& (y <= 0 || zscan(y-1)[x] < zscan(i)[x])) |
278 |
< |
yback[x] = i; |
279 |
< |
else |
280 |
< |
yback[x] = y-1; |
284 |
< |
} |
285 |
< |
} while (++x < ourview.hresolu |
286 |
< |
&& zscan(y)[x] <= 0.0); |
287 |
< |
i = xback; /* pick background */ |
288 |
< |
if (x < ourview.hresolu |
289 |
< |
&& (i < 0 || zscan(y)[i] < zscan(y)[x])) |
290 |
< |
xback = x; |
291 |
< |
/* fill hole */ |
292 |
< |
if (xback < 0) { |
293 |
< |
while (++i < x) |
294 |
< |
if (yback[i] >= 0) |
295 |
< |
copycolr(pscan(y)[i],pscan(yback[i])[i]); |
296 |
< |
} else { |
297 |
< |
while (++i < x) |
298 |
< |
if (yback[i] < 0 |
299 |
< |
|| ABS(i-xback) <= 1 || (ABS(y-yback[i]) > 1 |
300 |
< |
&& zscan(yback[i])[i] < zscan(y)[xback])) |
301 |
< |
copycolr(pscan(y)[i],pscan(y)[xback]); |
302 |
< |
else |
303 |
< |
copycolr(pscan(y)[i],pscan(yback[i])[i]); |
278 |
> |
yback[x] = i; |
279 |
> |
else |
280 |
> |
yback[x] = y-1; |
281 |
|
} |
282 |
< |
} else |
283 |
< |
yback[x] = -1; /* clear boundary */ |
282 |
> |
if (xback == -2) { |
283 |
> |
for (i = x+1; x < ourview.hresolu; i++) |
284 |
> |
if (zscan(y)[i] > 0.0) |
285 |
> |
break; |
286 |
> |
if (i < ourview.hresolu |
287 |
> |
&& (x <= 0 || zscan(y)[x-1] < zscan(y)[i])) |
288 |
> |
xback = i; |
289 |
> |
else |
290 |
> |
xback = x-1; |
291 |
> |
} |
292 |
> |
if (xback < 0 && yback[x] < 0) |
293 |
> |
continue; |
294 |
> |
if (yback[x] < 0 || ABS(x-xback) <= 1 |
295 |
> |
|| ( ABS(y-yback[x]) > 1 |
296 |
> |
&& zscan(yback[x])[x] < zscan(y)[xback] )) |
297 |
> |
copycolr(pscan(y)[x],pscan(y)[xback]); |
298 |
> |
else |
299 |
> |
copycolr(pscan(y)[x],pscan(yback[x])[x]); |
300 |
> |
} else { /* full pixel */ |
301 |
> |
yback[x] = -2; |
302 |
> |
xback = -2; |
303 |
> |
} |
304 |
> |
} |
305 |
|
free((char *)yback); |
306 |
|
} |
307 |
|
|