Fossil

struct PClass {
  const char *zName;                     /* Name of class */
  char isLine;                           /* True if a line class */
  char eJust;                            /* Use box-style text justification */
  void (*xInit)(Pik*,PElem*);              /* Initializer */
  void (*xNumProp)(Pik*,PElem*,PToken*);   /* Value change notification */
  void (*xCheck)(Pik*,PElem*);             /* Checks to after parsing */
  PPoint (*xChop)(Pik*,PElem*,PPoint*);    /* Chopper */
  PPoint (*xOffset)(Pik*,PElem*,int);      /* Offset from .c to edge point */
  void (*xFit)(Pik*,PElem*,PNum w,PNum h); /* Size to fit text */
  void (*xRender)(Pik*,PElem*);            /* Render */
};


/* Forward declarations */

    case CP_S:   pt.x = 0.0;      pt.y = -h2;    break;
    case CP_SW:  pt.x = rx-w2;    pt.y = rx-h2;  break;
    case CP_W:   pt.x = -w2;      pt.y = 0.0;    break;
    case CP_NW:  pt.x = rx-w2;    pt.y = h2-rx;  break;
  }
  return pt;
}
static PPoint boxChop(Pik *p, PElem *pElem, PPoint *pPt){
  PNum dx, dy;
  int cp = CP_C;
  PPoint chop = pElem->ptAt;
  if( pElem->w<=0.0 ) return chop;
  if( pElem->h<=0.0 ) return chop;
  dx = (pPt->x - pElem->ptAt.x)*pElem->h/pElem->w;
  dy = (pPt->y - pElem->ptAt.y);

      cp = CP_W;
    }else if( dy>2.414*dx ){
      cp = CP_SW;
    }else{
      cp = CP_S;
    }
  }
  chop = pElem->type->xOffset(p,pElem,cp);
  chop.x += pElem->ptAt.x;
  chop.y += pElem->ptAt.y;
  return chop;
}
static void boxFit(Pik *p, PElem *pElem, PNum w, PNum h){
  if( w>0 ) pElem->w = w;
  if( h>0 ) pElem->h = h;

      break;
    case T_HEIGHT:
      pElem->w = pElem->h;
      pElem->rad = 0.5*pElem->w;
      break;
  }
}
static PPoint circleChop(Pik *p, PElem *pElem, PPoint *pPt){
  PPoint chop;
  PNum dx = pPt->x - pElem->ptAt.x;
  PNum dy = pPt->y - pElem->ptAt.y;
  PNum dist = hypot(dx,dy);
  if( dist<pElem->rad ) return pElem->ptAt;
  chop.x = pElem->ptAt.x + dx*pElem->rad/dist;
  chop.y = pElem->ptAt.y + dy*pElem->rad/dist;

/* Methods for the "ellipse" class */
static void ellipseInit(Pik *p, PElem *pElem){
  pElem->w = pik_value(p, "ellipsewid",10,0);
  pElem->h = pik_value(p, "ellipseht",9,0);
}
static PPoint ellipseChop(Pik *p, PElem *pElem, PPoint *pPt){
  PPoint chop;
  PNum s, dq, dist;
  PNum dx = pPt->x - pElem->ptAt.x;
  PNum dy = pPt->y - pElem->ptAt.y;
  if( pElem->w<=0.0 ) return pElem->ptAt;
  if( pElem->h<=0.0 ) return pElem->ptAt;
  s = pElem->h/pElem->w;

  for(j=1, cnt=0; j<n-1; j++){
    if( (z[j] & 0xc0)==0xc0 ) continue;
    cnt++;
    if( z[j]=='\\' && z[j+1]!='&' ){
      j++;
    }else if( z[j]=='&' ){
      int k;
      for(k=j+1; k<j+7 && z[k]!=0 && z[k]!=';'; k++){}
      if( z[k]==';' ) j = k;
    }
  }
  return cnt;
}

/* Adjust the width, height, and/or radius of the object so that

** If point pTo is the exact enter of a choppable object,
** then adjust pTo by the appropriate amount in the direction
** of pFrom.
*/
static void pik_autochop(Pik *p, PPoint *pFrom, PPoint *pTo){
  PElem *pElem = pik_find_chopper(p->list, pTo);
  if( pElem ){
    *pTo = pElem->type->xChop(p, pElem, pFrom);
  }
}

/* This routine runs after all attributes have been received
** on an element.
*/
static void pik_after_adding_attributes(Pik *p, PElem *pElem){

    case ';':
    case '\n': {
      pToken->eType = T_EOL;
      return 1;
    }
    case '"': {
      for(i=1; (c = z[i])!=0; i++){
        if( c=='\\' ){ 
          if( z[i+1]==0 ) break;
          i++;
          continue;
        }
        if( c=='"' ){
          pToken->eType = T_STRING;
          return i+1;
        }
      }
      pToken->eType = T_ERROR;
      return i;

          if( pFound && (pFound->eEdge>0 ||
                         pFound->eType==T_EDGEPT ||
                         pFound->eType==T_START ||
                         pFound->eType==T_END )
          ){
            /* Dot followed by something that is a 2-D place value */
            pToken->eType = T_DOT_E;
          }else if( pFound && (pFound->eType==T_X || pFound->eType==T_Y) ){
            /* Dot followed by "x" or "y" */
            pToken->eType = T_DOT_XY;
          }else{
            /* Any other "dot" */
            pToken->eType = T_DOT_L;
          }
          return 1;

      if( (c>='0' && c<='9') || c=='.' ){
        int nDigit;
        int isInt = 1;
        if( c!='.' ){
          nDigit = 1;
          for(i=1; (c = z[i])>='0' && c<='9'; i++){ nDigit++; }
          if( i==1 && (c=='x' || c=='X') ){
            for(i=2; (c = z[i])!=0 && isxdigit(c); i++){}
            pToken->eType = T_NUMBER;
            return i;
          }
        }else{
          isInt = 0;
          nDigit = 0;
        }

            i -= 2;
          }else{
            i++;
            isInt = 0;
            while( (c = z[i])>=0 && c<='9' ){ i++; }
          }
        }
        c2 = c ? z[i+1] : 0;
        if( isInt ){
          if( (c=='t' && c2=='h')
           || (c=='r' && c2=='d')
           || (c=='n' && c2=='d')
           || (c=='s' && c2=='t')
          ){
            pToken->eType = T_NTH;

    }
  }
  printf("</body></html>\n");
  return 0; 
}
#endif /* PIKCHR_SHELL */

#line 7085 "pikchr.c"