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root/radiance/ray/src/rt/rpict.c
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Comparing ray/src/rt/rpict.c (file contents):
Revision 2.68 by greg, Sun Mar 28 16:31:14 2004 UTC vs.
Revision 2.69 by schorsch, Tue Mar 30 16:13:01 2004 UTC

# Line 7 | Line 7 | static const char RCSid[] = "$Id";
7  
8   #include "copyright.h"
9  
10 – #include  "platform.h"
11 – #include  "ray.h"
12 – #include  "paths.h"
13 –
10   #include  <sys/types.h>
11  
12   #ifndef NON_POSIX
# Line 26 | Line 22 | static const char RCSid[] = "$Id";
22   #include  <time.h>
23   #include  <signal.h>
24  
25 + #include  "platform.h"
26 + #include  "ray.h"
27 + #include  "paths.h"
28 + #include  "ambient.h"
29   #include  "view.h"
30   #include  "random.h"
31   #include  "paths.h"
# Line 47 | Line 47 | int  dimlist[MAXDIM];                  /* sampling dimensions */
47   int  ndims = 0;                         /* number of sampling dimensions */
48   int  samplendx;                         /* sample index number */
49  
50 < extern void  ambnotify();
50 > //extern void  ambnotify();
51   void  (*addobjnotify[])() = {ambnotify, NULL};
52  
53   VIEW  ourview = STDVIEW;                /* view parameters */
# Line 111 | Line 111 | int  hres, vres;                       /* resolution for this frame */
111  
112   static VIEW     lastview;               /* the previous view input */
113  
114 < extern char  *mktemp();  /* XXX should be in stdlib.h or unistd.h */
114 > //extern char  *mktemp();  /* XXX should be in stdlib.h or unistd.h */
115  
116 < void  report();
116 > //double        pixvalue();
117  
118 < double  pixvalue();
118 > static void report(int);
119 > static int nextview(FILE *fp);
120 > static void render(char *zfile, char *oldfile);
121 > static void fillscanline(COLOR *scanline, float *zline, char *sd, int xres,
122 >                int y, int xstep);
123 > static void fillscanbar(COLOR *scanbar[], float *zbar[], int xres,
124 >                int y, int ysize);
125 > static int fillsample(COLOR *colline, float *zline, int x, int y,
126 >                int xlen, int ylen, int b);
127 > static double pixvalue(COLOR  col, int  x, int  y);
128 > static int salvage(char  *oldfile);
129 > static int pixnumber(int  x, int  y, int  xres, int  yres);
130  
131 +
132 +
133   #ifdef RHAS_STAT
134   #include  <sys/types.h>
135   #include  <sys/stat.h>
# Line 138 | Line 151 | quit(code)                     /* quit program */
151   int  code;
152   {
153          if (code)                       /* report status */
154 <                report();
154 >                report(0);
155   #ifndef NON_POSIX
156          headclean();                    /* delete header file */
157          pfclean();                      /* clean up persist files */
# Line 148 | Line 161 | int  code;
161  
162  
163   #ifndef NON_POSIX
164 < void
165 < report()                /* report progress */
164 > static void
165 > report(int dummy)               /* report progress */
166   {
167          double  u, s;
168   #ifdef BSD
# Line 188 | Line 201 | report()               /* report progress */
201   #endif
202   }
203   #else
204 < void
205 < report()                /* report progress */
204 > static void
205 > report(int)             /* report progress */
206   {
207          tlastrept = time((time_t *)NULL);
208          sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n",
# Line 199 | Line 212 | report()               /* report progress */
212   #endif
213  
214  
215 < void
216 < rpict(seq, pout, zout, prvr)                    /* generate image(s) */
217 < int  seq;
218 < char  *pout, *zout, *prvr;
215 > extern void
216 > rpict(                  /* generate image(s) */
217 >        int  seq,
218 >        char  *pout,
219 >        char  *zout,
220 >        char  *prvr
221 > )
222   /*
223   * If seq is greater than zero, then we will render a sequence of
224   * images based on view parameter strings read from the standard input.
# Line 341 | Line 357 | char  *pout, *zout, *prvr;
357   }
358  
359  
360 < nextview(fp)                            /* get next view from fp */
361 < FILE  *fp;
360 > static int
361 > nextview(                               /* get next view from fp */
362 >        FILE  *fp
363 > )
364   {
365          char  linebuf[256];
366  
# Line 354 | Line 372 | FILE  *fp;
372   }      
373  
374  
375 < render(zfile, oldfile)                          /* render the scene */
376 < char  *zfile, *oldfile;
375 > static void
376 > render(                         /* render the scene */
377 >        char  *zfile,
378 >        char  *oldfile
379 > )
380   {
381          COLOR  *scanbar[MAXDIV+1];      /* scanline arrays of pixel values */
382          float  *zbar[MAXDIV+1];         /* z values */
# Line 417 | Line 438 | char  *zfile, *oldfile;
438                  error(SYSTEM, "z-file seek error in render");
439          pctdone = 100.0*i/vres;
440          if (ralrm > 0)                  /* report init stats */
441 <                report();
441 >                report(0);
442   #ifdef SIGCONT
443          else
444          signal(SIGCONT, report);
# Line 463 | Line 484 | char  *zfile, *oldfile;
484                                                          /* record progress */
485                  pctdone = 100.0*(vres-1-ypos)/vres;
486                  if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm)
487 <                        report();
487 >                        report(0);
488   #ifdef SIGCONT
489                  else
490                          signal(SIGCONT, report);
# Line 492 | Line 513 | alldone:
513                  free(sampdens);
514          pctdone = 100.0;
515          if (ralrm > 0)
516 <                report();
516 >                report(0);
517   #ifdef SIGCONT
518          signal(SIGCONT, SIG_DFL);
519   #endif
# Line 504 | Line 525 | memerr:
525   }
526  
527  
528 < fillscanline(scanline, zline, sd, xres, y, xstep)       /* fill scan at y */
529 < register COLOR  *scanline;
530 < register float  *zline;
531 < register char  *sd;
532 < int  xres, y, xstep;
528 > static void
529 > fillscanline(   /* fill scan at y */
530 >        register COLOR  *scanline,
531 >        register float  *zline,
532 >        register char  *sd,
533 >        int  xres,
534 >        int  y,
535 >        int  xstep
536 > )
537   {
538          static int  nc = 0;             /* number of calls */
539          int  bl = xstep, b = xstep;
# Line 539 | Line 564 | int  xres, y, xstep;
564   }
565  
566  
567 < fillscanbar(scanbar, zbar, xres, y, ysize)      /* fill interior */
568 < register COLOR  *scanbar[];
569 < register float  *zbar[];
570 < int  xres, y, ysize;
567 > static void
568 > fillscanbar(    /* fill interior */
569 >        register COLOR  *scanbar[],
570 >        register float  *zbar[],
571 >        int  xres,
572 >        int  y,
573 >        int  ysize
574 > )
575   {
576          COLOR  vline[MAXDIV+1];
577          float  zline[MAXDIV+1];
# Line 568 | Line 597 | int  xres, y, ysize;
597   }
598  
599  
600 < int
601 < fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */
602 < register COLOR  *colline;
603 < register float  *zline;
604 < int  x, y;
605 < int  xlen, ylen;
606 < int  b;
600 > static int
601 > fillsample( /* fill interior points */
602 >        register COLOR  *colline,
603 >        register float  *zline,
604 >        int  x,
605 >        int  y,
606 >        int  xlen,
607 >        int  ylen,
608 >        int  b
609 > )
610   {
611          double  ratio;
612          double  z;
# Line 621 | Line 653 | int  b;
653   }
654  
655  
656 < double
657 < pixvalue(col, x, y)             /* compute pixel value */
658 < COLOR  col;                     /* returned color */
659 < int  x, y;                      /* pixel position */
656 > static double
657 > pixvalue(               /* compute pixel value */
658 >        COLOR  col,                     /* returned color */
659 >        int  x,                 /* pixel position */
660 >        int  y
661 > )
662   {
663          RAY  thisray;
664          FVECT   lorg, ldir;
665 <        double  hpos, vpos, lmax, d;
665 >        double  hpos, vpos, lmax;
666                                                  /* compute view ray */
667          hpos = (x+pixjitter())/hres;
668          vpos = (y+pixjitter())/vres;
# Line 665 | Line 699 | int  x, y;                     /* pixel position */
699   }
700  
701  
702 < int
703 < salvage(oldfile)                /* salvage scanlines from killed program */
704 < char  *oldfile;
702 > static int
703 > salvage(                /* salvage scanlines from killed program */
704 >        char  *oldfile
705 > )
706   {
707          COLR  *scanline;
708          FILE  *fp;
# Line 721 | Line 756 | gotzip:
756   writerr:
757          sprintf(errmsg, "write error during recovery of \"%s\"", oldfile);
758          error(SYSTEM, errmsg);
759 +        return -1; /* pro forma return */
760   }
761  
762  
763 < int
764 < pixnumber(x, y, xres, yres)             /* compute pixel index (brushed) */
765 < register int  x, y;
766 < int  xres, yres;
763 > static int
764 > pixnumber(              /* compute pixel index (brushed) */
765 >        register int  x,
766 >        register int  y,
767 >        int  xres,
768 >        int  yres
769 > )
770   {
771          x -= y;
772          while (x < 0)

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