*** compface/gen.c	Tue Jan 15 23:58:46 2002
--- /home/lkoeller/tmp/ports/mail/faces/work/faces/compface/gen.c	Wed Jun 19 08:29:13 1991
***************
*** 1,10 ****
- 
  /*
-  *  $Header: /cvs/faces/faces/compface/gen.c,v 1.2 2002/01/15 22:58:46 devface Exp $
-  *
   *  Compface - 48x48x1 image compression and decompression
   *
!  *  Copyright (c) 1990-2002 James Ashton - Sydney University
   *
   *  Permission is given to distribute these sources, as long as the
   *  copyright messages are not removed, and no monies are exchanged. 
--- 1,9 ----
  /*
   *  Compface - 48x48x1 image compression and decompression
   *
!  *  Copyright (c) James Ashton - Sydney University - June 1990.
!  *
!  *  Written 11th November 1989.
   *
   *  Permission is given to distribute these sources, as long as the
   *  copyright messages are not removed, and no monies are exchanged. 
***************
*** 18,79 ****
  
  #define GEN(g) F[h] ^= G.g[k]; break
  
! static void Gen(char *);
  
  static void
! Gen(char *f)
  {
!     int m, l, k, j, i, h;
  
!     for (j = 0; j < HEIGHT;  j++) {
!         for (i = 0; i < WIDTH;  i++) {
              h = i + j * WIDTH;
              k = 0;
!             for (l = i - 2; l <= i + 2; l++) {
!                 for (m = j - 2; m <= j; m++) {
!                     if ((l >= i) && (m == j)) {
                          continue;
!                     }
!                     if ((l > 0) && (l <= WIDTH) && (m > 0)) {
                          k = *(f + l + m * WIDTH) ? k * 2 + 1 : k * 2;
                      }
!                 }
!             }
!             switch (i) {
                  case 1 :
!                     switch (j) {
                          case 1 : GEN(g_22);
                          case 2 : GEN(g_21);
                          default : GEN(g_20);
                      }
                      break;
- 
                  case 2 :
!                     switch (j) {
                          case 1 : GEN(g_12);
                          case 2 : GEN(g_11);
                          default : GEN(g_10);
                      }
                      break;
- 
                  case WIDTH - 1 :
!                     switch (j) {
                          case 1 : GEN(g_42);
                          case 2 : GEN(g_41);
                          default : GEN(g_40);
                      }
                      break;
- 
                  case WIDTH :
!                     switch (j) {
                          case 1 : GEN(g_32);
                          case 2 : GEN(g_31);
                          default : GEN(g_30);
                      }
                      break;
- 
                  default :
!                     switch (j) {
                          case 1 : GEN(g_02);
                          case 2 : GEN(g_01);
                          default : GEN(g_00);
--- 17,81 ----
  
  #define GEN(g) F[h] ^= G.g[k]; break
  
! static void Gen P((char *)) ;
  
  static void
! Gen(f)
! register char *f;
  {
! 	register int m, l, k, j, i, h;
  
! 	for (j = 0; j < HEIGHT;  j++)
! 	{
! 		for (i = 0; i < WIDTH;  i++)
! 		{
  			h = i + j * WIDTH;
  			k = 0;
! 			for (l = i - 2; l <= i + 2; l++)
! 				for (m = j - 2; m <= j; m++)
! 				{
! 					if ((l >= i) && (m == j))
  						continue;
! 					if ((l > 0) && (l <= WIDTH) && (m > 0))
  						k = *(f + l + m * WIDTH) ? k * 2 + 1 : k * 2;
  				}
! 			switch (i)
! 			{
  				case 1 :
! 					switch (j)
! 					{
  						case 1 : GEN(g_22);
  						case 2 : GEN(g_21);
  						default : GEN(g_20);
  					}
  					break;
  				case 2 :
! 					switch (j)
! 					{
  						case 1 : GEN(g_12);
  						case 2 : GEN(g_11);
  						default : GEN(g_10);
  					}
  					break;
  				case WIDTH - 1 :
! 					switch (j)
! 					{
  						case 1 : GEN(g_42);
  						case 2 : GEN(g_41);
  						default : GEN(g_40);
  					}
  					break;
  				case WIDTH :
! 					switch (j)
! 					{
  						case 1 : GEN(g_32);
  						case 2 : GEN(g_31);
  						default : GEN(g_30);
  					}
  					break;
  				default :
! 					switch (j)
! 					{
  						case 1 : GEN(g_02);
  						case 2 : GEN(g_01);
  						default : GEN(g_00);
***************
*** 84,109 ****
      }
  }
  
- 
  void
  GenFace()
  {
      static char new[PIXELS];
!     char *f1, *f2;
!     int i;
  
      f1 = new;
      f2 = F;
      i = PIXELS;
!     while (i-- > 0) {
          *(f1++) = *(f2++);
-     }
      Gen(new);
  }
  
- 
  void
  UnGenFace()
  {
      Gen(F);
  }
--- 86,110 ----
  	}
  }
  
  void
  GenFace()
  {
  	static char new[PIXELS];
! 	register char *f1;
! 	register char *f2;
! 	register int i;
  
  	f1 = new;
  	f2 = F;
  	i = PIXELS;
! 	while (i-- > 0)
  		*(f1++) = *(f2++);
  	Gen(new);
  }
  
  void
  UnGenFace()
  {
  	Gen(F);
  }
+