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Comparing ray/src/common/image.c (file contents):
Revision 2.15 by gwlarson, Fri Feb 26 12:24:07 1999 UTC vs.
Revision 2.17 by greg, Tue Feb 25 02:47:21 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1996 Regents of the University of California */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   *  image.c - routines for image generation.
6 + *
7 + *  External symbols declared in view.h
8   */
9  
10 + #include "copyright.h"
11 +
12   #include  "standard.h"
13  
14   #include  "view.h"
15  
15 – #include  "resolu.h"
16 –
16   #include  "paths.h"
17  
18   #define  FEQ(x,y)       (fabs((x)-(y)) <= FTINY)
# Line 108 | Line 107 | register VIEW  *v;
107   }
108  
109  
110 + void
111   normaspect(va, ap, xp, yp)              /* fix pixel aspect or resolution */
112   double  va;                     /* view aspect ratio */
113   double  *ap;                    /* pixel aspect in (or out if 0) */
# Line 199 | Line 199 | double  x, y;
199   }
200  
201  
202 + void
203   viewloc(ip, v, p)               /* find image location for point */
204   FVECT  ip;
205   register VIEW  *v;
# Line 268 | Line 269 | FVECT  p;
269   }
270  
271  
272 + void
273   pix2loc(loc, rp, px, py)        /* compute image location from pixel pos. */
274   FLOAT  loc[2];
275   register RESOLU  *rp;
# Line 275 | Line 277 | int  px, py;
277   {
278          register int  x, y;
279  
280 <        if (rp->or & YMAJOR) {
280 >        if (rp->rt & YMAJOR) {
281                  x = px;
282                  y = py;
283          } else {
284                  x = py;
285                  y = px;
286          }
287 <        if (rp->or & XDECR)
287 >        if (rp->rt & XDECR)
288                  x = rp->xr-1 - x;
289 <        if (rp->or & YDECR)
289 >        if (rp->rt & YDECR)
290                  y = rp->yr-1 - y;
291          loc[0] = (x+.5)/rp->xr;
292          loc[1] = (y+.5)/rp->yr;
293   }
294  
295  
296 + void
297   loc2pix(pp, rp, lx, ly)         /* compute pixel pos. from image location */
298   int  pp[2];
299   register RESOLU  *rp;
# Line 300 | Line 303 | double  lx, ly;
303  
304          x = lx * rp->xr;
305          y = ly * rp->yr;
306 <        if (rp->or & XDECR)
306 >        if (rp->rt & XDECR)
307                  x = rp->xr-1 - x;
308 <        if (rp->or & YDECR)
308 >        if (rp->rt & YDECR)
309                  y = rp->yr-1 - y;
310 <        if (rp->or & YMAJOR) {
310 >        if (rp->rt & YMAJOR) {
311                  pp[0] = x;
312                  pp[1] = y;
313          } else {
# Line 413 | Line 416 | register char  *s;
416   }
417  
418  
419 + void
420   fprintview(vp, fp)                      /* write out view parameters */
421   register VIEW  *vp;
422   FILE  *fp;
# Line 536 | Line 540 | RESOLU  *rp;
540          struct myview   mvs;
541          FILE  *fp;
542  
543 <        if ((fp = fopen(fname, "r")) == NULL)
543 >        if (fname == NULL || !strcmp(fname, "-"))
544 >                fp = stdin;
545 >        else if ((fp = fopen(fname, "r")) == NULL)
546                  return(-1);
547  
548          mvs.hv = vp;
549          mvs.ok = 0;
550  
551 <        getheader(fp, gethview, &mvs);
551 >        getheader(fp, (int (*)(char *, char *))&gethview, (char *)&mvs);
552  
553          if (rp != NULL && !fgetsresolu(rp, fp))
554                  mvs.ok = 0;

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