10 |
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*/ |
11 |
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12 |
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#include "standard.h" |
13 |
– |
#include "rhd_qtree.h" |
14 |
– |
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13 |
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#include <X11/Xlib.h> |
14 |
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#include <X11/cursorfont.h> |
15 |
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#include <X11/Xutil.h> |
16 |
< |
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16 |
> |
#include "rhd_qtree.h" |
17 |
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#include "x11icon.h" |
18 |
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19 |
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#ifndef RAYQLEN |
291 |
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do |
292 |
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getevent(); |
293 |
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|
294 |
< |
while (XQLength(ourdisplay) > 0); |
294 |
> |
while (XPending(ourdisplay) > 0); |
295 |
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|
296 |
+ |
odev.inpready = 0; |
297 |
+ |
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298 |
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return(inpresflags); |
299 |
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} |
300 |
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322 |
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{ |
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qtUpdate(); |
324 |
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rayqleft = RAYQLEN; |
325 |
< |
return(XPending(ourdisplay)); |
325 |
> |
return(odev.inpready = XPending(ourdisplay)); |
326 |
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} |
327 |
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328 |
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462 |
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int dp[2][2]; |
463 |
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FVECT wp[2]; |
464 |
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{ |
465 |
< |
static FVECT vmin = {0.,0.,0.}, vmax = {1.,1.,FHUGE}; |
466 |
< |
FVECT ip[2]; |
467 |
< |
/* not exactly right, but who cares? */ |
468 |
< |
viewloc(ip[0], &odev.v, wp[0]); |
469 |
< |
viewloc(ip[1], &odev.v, wp[1]); |
465 |
> |
static FVECT vmin = {0.,0.,0.}, vmax = {1.-FTINY,1.-FTINY,FHUGE}; |
466 |
> |
FVECT wpc[2], ip[2]; |
467 |
> |
double d, d0, d1; |
468 |
> |
/* check for points behind view */ |
469 |
> |
d = DOT(odev.v.vp, odev.v.vdir); |
470 |
> |
d0 = DOT(wp[0], odev.v.vdir) - d; |
471 |
> |
d1 = DOT(wp[1], odev.v.vdir) - d; |
472 |
> |
/* work on copy of world points */ |
473 |
> |
if (d0 <= d1) { |
474 |
> |
VCOPY(wpc[0], wp[0]); VCOPY(wpc[1], wp[1]); |
475 |
> |
} else { |
476 |
> |
d = d0; d0 = d1; d1 = d; |
477 |
> |
VCOPY(wpc[1], wp[0]); VCOPY(wpc[0], wp[1]); |
478 |
> |
} |
479 |
> |
if (d0 <= FTINY) { |
480 |
> |
if (d1 <= FTINY) return(0); |
481 |
> |
VSUB(wpc[0], wpc[0], wpc[1]); |
482 |
> |
d = .99*d1/(d1-d0); |
483 |
> |
VSUM(wpc[0], wpc[1], wpc[0], d); |
484 |
> |
} |
485 |
> |
/* get view coordinates and clip to window */ |
486 |
> |
viewloc(ip[0], &odev.v, wpc[0]); |
487 |
> |
viewloc(ip[1], &odev.v, wpc[1]); |
488 |
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if (!clip(ip[0], ip[1], vmin, vmax)) |
489 |
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return(0); |
490 |
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dp[0][0] = ip[0][0]*odev.hres; |
515 |
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static BYTE gridrgb[3] = {0x0, 0xff, 0xff}; |
516 |
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unsigned long pixel; |
517 |
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|
500 |
– |
if (!mapped) |
501 |
– |
return; |
518 |
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if (ncolors > 0) |
519 |
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pixel = pixval[get_pixel(gridrgb, xnewcolr)]; |
520 |
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else |