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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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#include "x11icon.h" |
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|
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< |
#define CTRL(c) ((c)-'@') |
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#ifndef RAYQLEN |
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#define RAYQLEN 50000 /* max. rays to queue before flush */ |
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#endif |
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|
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#ifndef FEQ |
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#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
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#endif |
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|
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#define GAMMA 2.2 /* default gamma correction */ |
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|
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#define MOVPCT 10 /* percent distance to move */ |
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#define MOVPCT 7 /* percent distance to move /frame */ |
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#define MOVDIR(b) ((b)==Button1 ? 1 : (b)==Button2 ? 0 : -1) |
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#define MOVDEG (-5) /* degrees to orbit CW/down /frame */ |
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#define MOVORB(s) ((s)&ShiftMask ? 1 : (s)&ControlMask ? -1 : 0) |
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|
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#define MINWIDTH 480 /* minimum graphics window width */ |
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#define MINHEIGHT 400 /* minimum graphics window height */ |
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static unsigned long ourblack=0, ourwhite=1; |
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|
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static Display *ourdisplay = NULL; /* our display */ |
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|
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static XVisualInfo ourvinfo; /* our visual information */ |
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|
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static Window gwind = 0; /* our graphics window */ |
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|
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static GC ourgc = 0; /* our graphics context for drawing */ |
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|
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static Colormap ourmap = 0; /* our color map */ |
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|
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static double pwidth, pheight; /* pixel dimensions (mm) */ |
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for (cp = tail; *cp && *cp != '.'; cp++) |
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; |
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if (cp-tail == 3 && !strncmp(tail, "x11", 3)) |
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return(TM_F_CAMERA); |
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return(TM_F_CAMERA|TM_F_NOSTDERR); |
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if (cp-tail == 4 && !strncmp(tail, "x11h", 4)) |
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return(TM_F_HUMAN); |
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return(TM_F_HUMAN|TM_F_NOSTDERR); |
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error(USER, "illegal driver name"); |
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} |
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|
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char *id; |
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{ |
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extern char *getenv(); |
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char *gv; |
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static RGBPRIMS myprims = STDPRIMS; |
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char *ev; |
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double gamval = GAMMA; |
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RGBPRIMP dpri = stdprims; |
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int nplanes; |
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XSetWindowAttributes ourwinattr; |
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XWMHints ourxwmhints; |
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XSizeHints oursizhints; |
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/* set quadtree globals */ |
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qtDepthEps = 0.02; |
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qtMinNodesiz = 1; |
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qtMinNodesiz = 2; |
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/* open display server */ |
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ourdisplay = XOpenDisplay(NULL); |
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if (ourdisplay == NULL) |
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ourwhite = WhitePixel(ourdisplay,ourscreen); |
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} |
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/* set gamma and tone mapping */ |
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if ((gv = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL |
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|| (gv = getenv("DISPLAY_GAMMA")) != NULL) |
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gamval = atof(gv); |
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if (tmInit(mytmflags(), stdprims, gamval) == NULL) |
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if ((ev = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL |
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|| (ev = getenv("DISPLAY_GAMMA")) != NULL) |
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gamval = atof(ev); |
138 |
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if ((ev = getenv("DISPLAY_PRIMARIES")) != NULL && |
139 |
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sscanf(ev, "%f %f %f %f %f %f %f %f", |
140 |
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&myprims[RED][CIEX],&myprims[RED][CIEY], |
141 |
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&myprims[GRN][CIEX],&myprims[GRN][CIEY], |
142 |
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&myprims[BLU][CIEX],&myprims[BLU][CIEY], |
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&myprims[WHT][CIEX],&myprims[WHT][CIEY]) >= 6) |
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dpri = myprims; |
145 |
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if (tmInit(mytmflags(), dpri, gamval) == NULL) |
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error(SYSTEM, "not enough memory in dev_open"); |
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/* open window */ |
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ourwinattr.background_pixel = ourblack; |
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oursizhints.min_height = MINHEIGHT; |
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oursizhints.flags = PMinSize; |
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XSetNormalHints(ourdisplay, gwind, &oursizhints); |
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/* map the window and get its size */ |
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XMapWindow(ourdisplay, gwind); |
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dev_input(); |
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/* allocate our leaf pile */ |
166 |
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if (!qtAllocLeaves(DisplayWidth(ourdisplay,ourscreen) * |
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DisplayHeight(ourdisplay,ourscreen) / |
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(qtMinNodesiz*qtMinNodesiz))) |
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error(SYSTEM, "insufficient memory for leaf storage"); |
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|
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/* figure out sensible view */ |
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pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) / |
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DisplayWidth(ourdisplay, ourscreen); |
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pheight = (double)DisplayHeightMM(ourdisplay, ourscreen) / |
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DisplayHeight(ourdisplay, ourscreen); |
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copystruct(&odev.v, &stdview); |
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odev.name = id; |
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odev.v.type = VT_PER; |
181 |
< |
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
182 |
< |
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
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/* map the window and get its size */ |
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> |
XMapWindow(ourdisplay, gwind); |
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> |
dev_input(); /* sets size and view angles */ |
184 |
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/* allocate our leaf pile */ |
185 |
> |
if (!qtAllocLeaves(DisplayWidth(ourdisplay,ourscreen) * |
186 |
> |
DisplayHeight(ourdisplay,ourscreen) * 3 / |
187 |
> |
(qtMinNodesiz*qtMinNodesiz*2))) |
188 |
> |
error(SYSTEM, "insufficient memory for leaf storage"); |
189 |
> |
odev.name = id; |
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odev.ifd = ConnectionNumber(ourdisplay); |
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} |
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|
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} |
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|
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|
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+ |
|
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dev_clear() /* clear our quadtree */ |
213 |
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{ |
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qtCompost(100); |
215 |
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if (ncolors > 0) |
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new_ctab(ncolors); |
217 |
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rayqleft = 0; /* hold off update */ |
218 |
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} |
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|
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|
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int |
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dev_view(nv) /* assign new driver view */ |
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VIEW *nv; |
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{ |
225 |
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if (nv != &odev.v) |
225 |
> |
if (nv->type == VT_PAR || /* check view legality */ |
226 |
> |
nv->horiz > 160. || nv->vert > 160.) { |
227 |
> |
error(COMMAND, "illegal view type/angle"); |
228 |
> |
nv->type = VT_PER; |
229 |
> |
nv->horiz = odev.v.horiz; |
230 |
> |
nv->vert = odev.v.vert; |
231 |
> |
return(0); |
232 |
> |
} |
233 |
> |
if (nv->vfore > FTINY) { |
234 |
> |
error(COMMAND, "cannot handle fore clipping"); |
235 |
> |
nv->vfore = 0.; |
236 |
> |
return(0); |
237 |
> |
} |
238 |
> |
if (nv != &odev.v) { |
239 |
> |
if (!FEQ(nv->horiz,odev.v.horiz) || /* resize window? */ |
240 |
> |
!FEQ(nv->vert,odev.v.vert)) { |
241 |
> |
int dw = DisplayWidth(ourdisplay,ourscreen); |
242 |
> |
int dh = DisplayHeight(ourdisplay,ourscreen); |
243 |
> |
|
244 |
> |
dw -= 25; /* for window frame */ |
245 |
> |
dh -= 50; |
246 |
> |
odev.hres = 2.*VIEWDIST/pwidth * |
247 |
> |
tan(PI/180./2.*nv->horiz); |
248 |
> |
odev.vres = 2.*VIEWDIST/pheight * |
249 |
> |
tan(PI/180./2.*nv->vert); |
250 |
> |
if (odev.hres > dw) { |
251 |
> |
odev.vres = dw * odev.vres / odev.hres; |
252 |
> |
odev.hres = dw; |
253 |
> |
} |
254 |
> |
if (odev.vres > dh) { |
255 |
> |
odev.hres = dh * odev.hres / odev.vres; |
256 |
> |
odev.vres = dh; |
257 |
> |
} |
258 |
> |
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
259 |
> |
dev_input(); /* wait for resize event */ |
260 |
> |
} |
261 |
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copystruct(&odev.v, nv); |
262 |
+ |
} |
263 |
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qtReplant(); |
264 |
+ |
return(1); |
265 |
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} |
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|
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|
268 |
+ |
dev_auxcom(cmd, args) /* process an auxiliary command */ |
269 |
+ |
char *cmd, *args; |
270 |
+ |
{ |
271 |
+ |
sprintf(errmsg, "%s: unknown command", cmd); |
272 |
+ |
error(COMMAND, errmsg); |
273 |
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} |
274 |
+ |
|
275 |
+ |
|
276 |
+ |
VIEW * |
277 |
+ |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
278 |
+ |
int n; |
279 |
+ |
int hvres[2]; |
280 |
+ |
{ |
281 |
+ |
if (n) |
282 |
+ |
return(NULL); |
283 |
+ |
hvres[0] = odev.hres; hvres[1] = odev.vres; |
284 |
+ |
return(&odev.v); |
285 |
+ |
} |
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+ |
|
287 |
+ |
|
288 |
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int |
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dev_input() /* get X11 input */ |
290 |
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{ |
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inpresflags = 0; |
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+ |
|
293 |
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do |
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getevent(); |
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|
321 |
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dev_flush() /* flush output */ |
322 |
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{ |
323 |
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qtUpdate(); |
324 |
+ |
rayqleft = RAYQLEN; |
325 |
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return(XPending(ourdisplay)); |
326 |
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} |
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|
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|
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static |
461 |
< |
moveview(dx, dy, move) /* move our view */ |
462 |
< |
int dx, dy, move; |
461 |
> |
ilclip(dp, wp) /* clip world coordinates to device */ |
462 |
> |
int dp[2][2]; |
463 |
> |
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]); |
470 |
+ |
if (!clip(ip[0], ip[1], vmin, vmax)) |
471 |
+ |
return(0); |
472 |
+ |
dp[0][0] = ip[0][0]*odev.hres; |
473 |
+ |
dp[0][1] = ip[0][1]*odev.vres; |
474 |
+ |
dp[1][0] = ip[1][0]*odev.hres; |
475 |
+ |
dp[1][1] = ip[1][1]*odev.vres; |
476 |
+ |
return(1); |
477 |
+ |
} |
478 |
+ |
|
479 |
+ |
|
480 |
+ |
static |
481 |
+ |
draw3dline(wp) /* draw 3d line in world coordinates */ |
482 |
+ |
FVECT wp[2]; |
483 |
+ |
{ |
484 |
+ |
int dp[2][2]; |
485 |
+ |
|
486 |
+ |
if (!ilclip(dp, wp)) |
487 |
+ |
return; |
488 |
+ |
XDrawLine(ourdisplay, gwind, ourgc, |
489 |
+ |
dp[0][0], odev.vres-1 - dp[0][1], |
490 |
+ |
dp[1][0], odev.vres-1 - dp[1][1]); |
491 |
+ |
} |
492 |
+ |
|
493 |
+ |
|
494 |
+ |
static |
495 |
+ |
draw_grids() /* draw holodeck section grids */ |
496 |
+ |
{ |
497 |
+ |
static BYTE gridrgb[3] = {0x0, 0xff, 0xff}; |
498 |
+ |
unsigned long pixel; |
499 |
+ |
|
500 |
+ |
if (!mapped) |
501 |
+ |
return; |
502 |
+ |
if (ncolors > 0) |
503 |
+ |
pixel = pixval[get_pixel(gridrgb, xnewcolr)]; |
504 |
+ |
else |
505 |
+ |
pixel = true_pixel(gridrgb); |
506 |
+ |
XSetForeground(ourdisplay, ourgc, pixel); |
507 |
+ |
/* draw each grid line */ |
508 |
+ |
gridlines(draw3dline); |
509 |
+ |
} |
510 |
+ |
|
511 |
+ |
|
512 |
+ |
static |
513 |
+ |
moveview(dx, dy, mov, orb) /* move our view */ |
514 |
+ |
int dx, dy, mov, orb; |
515 |
+ |
{ |
516 |
|
VIEW nv; |
517 |
+ |
FVECT odir, v1; |
518 |
|
double d; |
519 |
< |
register int i; |
519 |
> |
register int li; |
520 |
|
/* start with old view */ |
521 |
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copystruct(&nv, &odev.v); |
522 |
|
/* change view direction */ |
523 |
< |
if (move) { |
524 |
< |
register RLEAF *lp; |
393 |
< |
if ((lp = qtFindLeaf(dx, dy)) == NULL) |
523 |
> |
if (mov | orb) { |
524 |
> |
if ((li = qtFindLeaf(dx, dy)) < 0) |
525 |
|
return(0); /* not on window */ |
526 |
< |
for (i = 0; i < 3; i++) |
396 |
< |
nv.vdir[i] = lp->wp[i] - nv.vp[i]; |
526 |
> |
VSUM(odir, qtL.wp[li], nv.vp, -1.); |
527 |
|
} else { |
528 |
|
if (viewray(nv.vp, nv.vdir, &odev.v, |
529 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
530 |
|
return(0); /* outside view */ |
531 |
|
} |
532 |
< |
/* move viewpoint */ |
533 |
< |
if (move > 0) |
534 |
< |
for (i = 0; i < 3; i++) |
535 |
< |
nv.vp[i] += MOVPCT/100. * nv.vdir[i]; |
536 |
< |
else if (move < 0) |
537 |
< |
for (i = 0; i < 3; i++) |
538 |
< |
nv.vp[i] -= MOVPCT/100. * nv.vdir[i]; |
539 |
< |
if (move && headlocked) { |
540 |
< |
d = 0; /* bring head back to same height */ |
541 |
< |
for (i = 0; i < 3; i++) |
542 |
< |
d += odev.v.vup[i] * (odev.v.vp[i] - nv.vp[i]); |
543 |
< |
for (i = 0; i < 3; i++) |
544 |
< |
nv.vp[i] += d * odev.v.vup[i]; |
532 |
> |
if (orb && mov) { /* orbit left/right */ |
533 |
> |
spinvector(odir, odir, nv.vup, d=MOVDEG*PI/180.*mov); |
534 |
> |
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
535 |
> |
spinvector(nv.vdir, nv.vdir, nv.vup, d); |
536 |
> |
} else if (orb) { /* orbit up/down */ |
537 |
> |
fcross(v1, odir, nv.vup); |
538 |
> |
if (normalize(v1) == 0.) |
539 |
> |
return(0); |
540 |
> |
spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb); |
541 |
> |
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
542 |
> |
spinvector(nv.vdir, nv.vdir, v1, d); |
543 |
> |
} else if (mov) { /* move forward/backward */ |
544 |
> |
d = MOVPCT/100. * mov; |
545 |
> |
VSUM(nv.vp, nv.vp, odir, d); |
546 |
|
} |
547 |
+ |
if (!mov ^ !orb && headlocked) { /* restore head height */ |
548 |
+ |
VSUM(v1, odev.v.vp, nv.vp, -1.); |
549 |
+ |
d = DOT(v1, odev.v.vup); |
550 |
+ |
VSUM(nv.vp, nv.vp, odev.v.vup, d); |
551 |
+ |
} |
552 |
|
if (setview(&nv) != NULL) |
553 |
|
return(0); /* illegal view */ |
554 |
|
dev_view(&nv); |
555 |
< |
inpresflags |= DEV_NEWVIEW; |
555 |
> |
inpresflags |= DFL(DC_SETVIEW); |
556 |
|
return(1); |
557 |
|
} |
558 |
|
|
561 |
|
getmove(ebut) /* get view change */ |
562 |
|
XButtonPressedEvent *ebut; |
563 |
|
{ |
564 |
< |
int whichbutton = ebut->button; |
564 |
> |
int movdir = MOVDIR(ebut->button); |
565 |
> |
int movorb = MOVORB(ebut->state); |
566 |
|
int oldnodesiz = qtMinNodesiz; |
567 |
|
Window rootw, childw; |
568 |
|
int rootx, rooty, wx, wy; |
569 |
|
unsigned int statemask; |
570 |
|
|
571 |
|
qtMinNodesiz = 16; /* for quicker update */ |
572 |
+ |
XNoOp(ourdisplay); |
573 |
|
|
574 |
< |
do { |
574 |
> |
while (!XCheckMaskEvent(ourdisplay, |
575 |
> |
ButtonReleaseMask, levptr(XEvent))) { |
576 |
> |
|
577 |
|
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
578 |
|
&rootx, &rooty, &wx, &wy, &statemask)) |
579 |
|
break; /* on another screen */ |
580 |
|
|
581 |
< |
if (!moveview(wx, odev.vres-1-wy, MOVDIR(whichbutton))) |
581 |
> |
if (!moveview(wx, odev.vres-1-wy, movdir, movorb)) { |
582 |
|
sleep(1); |
583 |
< |
|
584 |
< |
} while (!XCheckMaskEvent(ourdisplay, |
585 |
< |
ButtonReleaseMask, levptr(XEvent))); |
586 |
< |
|
587 |
< |
if (!(inpresflags & DEV_NEWVIEW)) { /* do final motion */ |
588 |
< |
whichbutton = levptr(XButtonReleasedEvent)->button; |
583 |
> |
continue; |
584 |
> |
} |
585 |
> |
XClearWindow(ourdisplay, gwind); |
586 |
> |
qtUpdate(); |
587 |
> |
draw_grids(); |
588 |
> |
} |
589 |
> |
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */ |
590 |
> |
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button); |
591 |
|
wx = levptr(XButtonReleasedEvent)->x; |
592 |
|
wy = levptr(XButtonReleasedEvent)->y; |
593 |
< |
moveview(wx, odev.vres-1-wy, MOVDIR(whichbutton)); |
593 |
> |
moveview(wx, odev.vres-1-wy, movdir, movorb); |
594 |
|
} |
595 |
+ |
dev_flush(); |
596 |
|
|
597 |
|
qtMinNodesiz = oldnodesiz; /* restore quadtree resolution */ |
598 |
|
} |
615 |
|
case 'H': /* turn off height motion lock */ |
616 |
|
headlocked = 0; |
617 |
|
return; |
618 |
< |
case CTRL('Z'): |
618 |
> |
case 'l': /* retrieve last view */ |
619 |
> |
inpresflags |= DFL(DC_LASTVIEW); |
620 |
> |
return; |
621 |
|
case 'p': /* pause computation */ |
622 |
< |
inpresflags |= DEV_WAIT; |
622 |
> |
inpresflags |= DFL(DC_PAUSE); |
623 |
|
return; |
624 |
+ |
case 'v': /* spit out view */ |
625 |
+ |
inpresflags |= DFL(DC_GETVIEW); |
626 |
+ |
return; |
627 |
|
case '\n': |
628 |
< |
case '\r': /* release */ |
628 |
> |
case '\r': /* resume computation */ |
629 |
> |
inpresflags |= DFL(DC_RESUME); |
630 |
|
return; |
631 |
< |
case CTRL('D'): |
632 |
< |
case 'Q': |
631 |
> |
case CTRL('R'): /* redraw screen */ |
632 |
> |
if (ncolors > 0) |
633 |
> |
new_ctab(ncolors); |
634 |
> |
qtRedraw(0, 0, odev.hres, odev.vres); |
635 |
> |
return; |
636 |
> |
case CTRL('L'): /* refresh from server */ |
637 |
> |
if (inpresflags & DFL(DC_REDRAW)) |
638 |
> |
return; |
639 |
> |
XClearWindow(ourdisplay, gwind); |
640 |
> |
draw_grids(); |
641 |
> |
XFlush(ourdisplay); |
642 |
> |
qtCompost(100); /* unload the old tree */ |
643 |
> |
if (ncolors > 0) |
644 |
> |
new_ctab(ncolors); |
645 |
> |
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
646 |
> |
rayqleft = 0; /* hold off update */ |
647 |
> |
return; |
648 |
> |
case 'K': /* kill rtrace process(es) */ |
649 |
> |
inpresflags |= DFL(DC_KILL); |
650 |
> |
break; |
651 |
> |
case 'R': /* restart rtrace */ |
652 |
> |
inpresflags |= DFL(DC_RESTART); |
653 |
> |
break; |
654 |
> |
case 'C': /* clobber holodeck */ |
655 |
> |
inpresflags |= DFL(DC_CLOBBER); |
656 |
> |
break; |
657 |
|
case 'q': /* quit the program */ |
658 |
< |
inpresflags |= DEV_SHUTDOWN; |
658 |
> |
inpresflags |= DFL(DC_QUIT); |
659 |
|
return; |
660 |
|
default: |
661 |
|
XBell(ourdisplay, 0); |
671 |
|
if (odev.hres == 0 || odev.vres == 0) { /* first exposure */ |
672 |
|
odev.hres = eexp->width; |
673 |
|
odev.vres = eexp->height; |
501 |
– |
inpresflags |= DEV_NEWSIZE; |
674 |
|
} |
675 |
|
qtRedraw(eexp->x, odev.vres - eexp->y - eexp->height, |
676 |
|
eexp->x + eexp->width, odev.vres - eexp->y); |
684 |
|
if (ersz->width == odev.hres && ersz->height == odev.vres) |
685 |
|
return; |
686 |
|
|
515 |
– |
if (odev.hres != 0 && odev.vres != 0) { |
516 |
– |
odev.v.horiz = 2.*180./PI * atan( |
517 |
– |
tan(PI/180./2.*odev.v.horiz) * ersz->width/odev.hres ); |
518 |
– |
odev.v.vert = 2.*180./PI * atan( |
519 |
– |
tan(PI/180./2.*odev.v.vert) * ersz->height/odev.vres ); |
520 |
– |
inpresflags |= DEV_NEWVIEW; |
521 |
– |
} |
687 |
|
odev.hres = ersz->width; |
688 |
|
odev.vres = ersz->height; |
689 |
|
|
690 |
< |
inpresflags |= DEV_NEWSIZE; |
690 |
> |
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
691 |
> |
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
692 |
> |
|
693 |
> |
inpresflags |= DFL(DC_SETVIEW); |
694 |
|
} |