| 28 |
|
getframe(s) /* get a new frame */ |
| 29 |
|
char *s; |
| 30 |
|
{ |
| 31 |
< |
int x0, y0, x1, y1; |
| 32 |
< |
|
| 33 |
< |
if (!strcmp("all", s)) { |
| 34 |
< |
pframe.l = pframe.d = 0; |
| 35 |
< |
pframe.r = ourview.hresolu; |
| 36 |
< |
pframe.u = ourview.vresolu; |
| 37 |
< |
pdepth = 0; |
| 31 |
> |
if (getrect(s, &pframe) < 0) |
| 32 |
|
return; |
| 39 |
– |
} |
| 40 |
– |
if (sscanf(s, "%d %d %d %d", &x0, &y0, &x1, &y1) != 4) { |
| 41 |
– |
if (dev->getcur == NULL) |
| 42 |
– |
return; |
| 43 |
– |
(*dev->comout)("Pick first corner\n"); |
| 44 |
– |
if ((*dev->getcur)(&x0, &y0) == ABORT) |
| 45 |
– |
return; |
| 46 |
– |
(*dev->comout)("Pick second corner\n"); |
| 47 |
– |
if ((*dev->getcur)(&x1, &y1) == ABORT) |
| 48 |
– |
return; |
| 49 |
– |
} |
| 50 |
– |
if (x0 < x1) { |
| 51 |
– |
pframe.l = x0; |
| 52 |
– |
pframe.r = x1; |
| 53 |
– |
} else { |
| 54 |
– |
pframe.l = x1; |
| 55 |
– |
pframe.r = x0; |
| 56 |
– |
} |
| 57 |
– |
if (y0 < y1) { |
| 58 |
– |
pframe.d = y0; |
| 59 |
– |
pframe.u = y1; |
| 60 |
– |
} else { |
| 61 |
– |
pframe.d = y1; |
| 62 |
– |
pframe.u = y0; |
| 63 |
– |
} |
| 64 |
– |
if (pframe.l < 0) pframe.l = 0; |
| 65 |
– |
if (pframe.d < 0) pframe.d = 0; |
| 66 |
– |
if (pframe.r > ourview.hresolu) pframe.r = ourview.hresolu; |
| 67 |
– |
if (pframe.u > ourview.vresolu) pframe.u = ourview.vresolu; |
| 68 |
– |
if (pframe.l > pframe.r) pframe.l = pframe.r; |
| 69 |
– |
if (pframe.d > pframe.u) pframe.d = pframe.u; |
| 33 |
|
pdepth = 0; |
| 34 |
|
} |
| 35 |
|
|
| 36 |
|
|
| 37 |
+ |
getrepaint(s) /* get area and repaint */ |
| 38 |
+ |
char *s; |
| 39 |
+ |
{ |
| 40 |
+ |
RECT box; |
| 41 |
+ |
|
| 42 |
+ |
if (getrect(s, &box) < 0) |
| 43 |
+ |
return; |
| 44 |
+ |
paintrect(&ptrunk, 0, 0, ourview.hresolu, ourview.vresolu, &box); |
| 45 |
+ |
} |
| 46 |
+ |
|
| 47 |
+ |
|
| 48 |
|
getview(s) /* get/show view parameters */ |
| 49 |
|
char *s; |
| 50 |
|
{ |
| 158 |
|
bcopy(&oldview, &ourview, sizeof(VIEW)); |
| 159 |
|
bcopy(&nv, &oldview, sizeof(VIEW)); |
| 160 |
|
newimage(); |
| 187 |
– |
} |
| 188 |
– |
|
| 189 |
– |
|
| 190 |
– |
getinterest(s, direc, vec, mp) /* get area of interest */ |
| 191 |
– |
char *s; |
| 192 |
– |
int direc; |
| 193 |
– |
FVECT vec; |
| 194 |
– |
double *mp; |
| 195 |
– |
{ |
| 196 |
– |
int x, y; |
| 197 |
– |
RAY thisray; |
| 198 |
– |
register int i; |
| 199 |
– |
|
| 200 |
– |
if (sscanf(s, "%lf", mp) != 1) |
| 201 |
– |
*mp = 1.0; |
| 202 |
– |
else if (*mp < -FTINY) /* negative zoom is reduction */ |
| 203 |
– |
*mp = -1.0 / *mp; |
| 204 |
– |
else if (*mp <= FTINY) { /* too small */ |
| 205 |
– |
error(COMMAND, "illegal magnification"); |
| 206 |
– |
return(-1); |
| 207 |
– |
} |
| 208 |
– |
if (sscanf(s, "%*lf %lf %lf %lf", &vec[0], &vec[1], &vec[2]) != 3) { |
| 209 |
– |
if (dev->getcur == NULL) |
| 210 |
– |
return(-1); |
| 211 |
– |
(*dev->comout)("Pick view center\n"); |
| 212 |
– |
if ((*dev->getcur)(&x, &y) == ABORT) |
| 213 |
– |
return(-1); |
| 214 |
– |
rayview(thisray.rorg, thisray.rdir, &ourview, x+.5, y+.5); |
| 215 |
– |
if (!direc || ourview.type == VT_PAR) { |
| 216 |
– |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 217 |
– |
if (!localhit(&thisray, &thescene)) { |
| 218 |
– |
error(COMMAND, "not a local object"); |
| 219 |
– |
return(-1); |
| 220 |
– |
} |
| 221 |
– |
} |
| 222 |
– |
if (direc) |
| 223 |
– |
if (ourview.type == VT_PAR) |
| 224 |
– |
for (i = 0; i < 3; i++) |
| 225 |
– |
vec[i] = thisray.rop[i] - ourview.vp[i]; |
| 226 |
– |
else |
| 227 |
– |
VCOPY(vec, thisray.rdir); |
| 228 |
– |
else |
| 229 |
– |
VCOPY(vec, thisray.rop); |
| 230 |
– |
} else if (direc) |
| 231 |
– |
for (i = 0; i < 3; i++) |
| 232 |
– |
vec[i] -= ourview.vp[i]; |
| 233 |
– |
return(0); |
| 161 |
|
} |
| 162 |
|
|
| 163 |
|
|
