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Comparing ray/src/rt/text.c (file contents):
Revision 2.13 by greg, Thu Apr 14 04:50:37 1994 UTC vs.
Revision 2.14 by greg, Thu May 25 15:13:43 1995 UTC

# Line 225 | Line 225 | register OBJREC  *tm;
225                                                  /* compute character spacing */
226          i = sndx(tm);
227          d = i < tm->oargs.nfargs ? tm->oargs.farg[i] : 0.0;
228 <        i = d * 256.0;
228 >        i = d * 255.0;
229          t->tl.width = 0;
230          for (tlp = t->tl.next; tlp != NULL; tlp = tlp->next) {
231                  if (i < 0)
# Line 281 | Line 281 | OBJREC  *m;
281          x = DOT(v, tp->right);
282          i = sndx(m);
283          if (i < m->oargs.nfargs)
284 <                x *= tp->f->mwidth + 256.*fabs(m->oargs.farg[i]);
284 >                x *= tp->f->mwidth + 255.*fabs(m->oargs.farg[i]);
285          else
286 <                x *= 256.;
286 >                x *= 255.;
287          h = x;
288          i = y = DOT(v, tp->down);
289          if (x < 0.0 || y < 0.0)
290                  return(0);
291          x -= (double)h;
292 <        y = ((i+1) - y)*256.;
292 >        y = ((i+1) - y)*255.;
293                                  /* find the line position */
294          for (tlp = tp->tl.next; tlp != NULL; tlp = tlp->next)
295                  if (--i < 0)
# Line 297 | Line 297 | OBJREC  *m;
297          if (tlp == NULL || h >= tlp->width)
298                  return(0);
299          for (i = 0; (h -= tlp->spc[i]) >= 0; i++)
300 <                if (h < 256 && inglyph(h+x, y,
300 >                if (h < 255 && inglyph(h+x, y,
301                                  tp->f->fg[TLSTR(tlp)[i]&0xff]))
302                          return(1);
303          return(0);
# Line 305 | Line 305 | OBJREC  *m;
305  
306  
307   inglyph(x, y, gl)               /* (x,y) within font glyph gl? */
308 < double  x, y;           /* real coordinates in range [0,256) */
308 > double  x, y;           /* real coordinates in range [0,255) */
309   register GLYPH  *gl;
310   {
311          int  n, ncross;

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