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- /* hpcdtoppm (Hadmut's pcdtoppm) v0.6.beta
- * Copyright (c) 1992, 1993, 1994 by Hadmut Danisch (danisch@ira.uka.de).
- * Permission to use and distribute this software and its
- * documentation for noncommercial use and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and that
- * both that copyright notice and this permission notice appear in
- * supporting documentation. It is not allowed to sell this software in
- * any way. This software is not public domain.
- */
-
- #include "hpcdtoppm.h"
-
- struct pcdquad { uBYTE len,highseq,lowseq,key;};
- struct pcdhqt { uBYTE entries; struct pcdquad entry[256];};
- struct myhqt { uINT seq,mask,len; uBYTE key; };
-
- static struct myhqt myhuff0[256],myhuff1[256],myhuff2[256];
- static sINT myhufflen0=0,myhufflen1=0,myhufflen2=0;
-
-
-
-
- static void readhqtsub(struct pcdhqt *quelle,struct myhqt *ziel,sINT *anzahl)
- #define E ((uINT) 1)
- {sINT i;
- struct pcdquad *sub;
- struct myhqt *help;
- *anzahl=(quelle->entries)+1;
-
- for(i=0;i<*anzahl;i++)
- {sub = (struct pcdquad *)(((uBYTE *)quelle)+1+i*sizeof(*sub));
- help=ziel+i;
-
- help->seq = (((uINT) sub->highseq) << 24) |(((uINT) sub->lowseq) << 16);
- help->len = ((uINT) sub->len) +1;
- help->key = sub->key;
-
- #ifdef DEBUGhuff
- fprintf(stderr," Anz: %d A1: %08x A2: %08x X:%02x %02x %02x %02x Seq: %08x Laenge: %d %d\n",
- *anzahl,(uINT)sbuffer,(uINT)sub,
- ((uBYTE *)sub)[0],((uBYTE *)sub)[1],((uBYTE *)sub)[2],((uBYTE *)sub)[3],
- help->seq,help->len,sizeof(uBYTE));
- #endif
-
- if(help->len > 16) error(E_HUFF);
-
- help->mask = ~ ( (E << (32-help->len)) -1);
-
- }
- #ifdef DEBUG
- for(i=0;i<*anzahl;i++)
- {help=ziel+i;
- fprintf(stderr,"H: %3d %08lx & %08lx (%2d) = %02x = %5d %8x\n",
- i, help->seq,help->mask,help->len,help->key,(signed char)help->key,
- help->seq & (~help->mask));
- }
- #endif
-
- #undef E
- }
-
-
-
-
-
-
-
- void readhqt(sINT n)
- {
- uBYTE *ptr;
-
- melde("readhqt\n");
- EREADBUF;
- ptr = sbuffer;
-
- readhqtsub((struct pcdhqt *)ptr,myhuff0,&myhufflen0);
-
- if(n<2) return;
- ptr+= 1 + 4* myhufflen0;
- readhqtsub((struct pcdhqt *)ptr,myhuff1,&myhufflen1);
-
- if(n<3) return;
- ptr+= 1 + 4* myhufflen1;
- readhqtsub((struct pcdhqt *)ptr,myhuff2,&myhufflen2);
-
- }
-
- void readhqtx(sINT n)
- {
- uBYTE *ptr;
-
- melde("readhqtx\n");
- ptr = sbuffer;
-
- readhqtsub((struct pcdhqt *)ptr,myhuff0,&myhufflen0);
-
- if(n<2) return;
- ptr+= 1 + 4* myhufflen0;
- readhqtsub((struct pcdhqt *)ptr,myhuff1,&myhufflen1);
-
- if(n<3) return;
- ptr+= 1 + 4* myhufflen1;
- readhqtsub((struct pcdhqt *)ptr,myhuff2,&myhufflen2);
-
- }
-
-
-
-
-
-
-
-
-
- #ifdef FASTHUFF
-
- static struct myhqt *HTAB0[0x10000],*HTAB1[0x10000],*HTAB2[0x10000];
-
- static void inithuff(sINT hlen,struct myhqt *ptr,struct myhqt *TAB[])
- {sINT i,n;
- sINT seq,len;
- struct myhqt *help;
-
- for(i=0;i<0x10000;i++) TAB[i]=0;
-
- for(n=0;n<hlen;n++)
- {help=ptr+n;
- seq=(help->seq)>>16;
- len=help->len;
-
- for(i=0;i<(1<<(16-len));i++)
- TAB[seq | i] = help;
- }
- }
- #endif
-
-
-
-
- static char *pn[]={"Luma Channel","Chroma1 Channel","Chroma2 Channel"};
-
-
- void decode(sizeinfo *si,int fak,implane *f,implane *f1,implane *f2,sINT autosync)
- {dim w,h,hoff,hlen,hende,voff,vlen,vende,anfang,ende;
- sINT htlen,sum,do_inform,part;
- uINT sreg,maxwidth;
- uINT inh,n,zeile,segment,ident;
- struct myhqt *hp;
-
- uBYTE *nptr;
- uBYTE *lptr;
-
- #define nextbuf { nptr=sbuffer; if(READBUF<1) { if(!do_rep) error(E_READ); \
- fprintf(stderr,"Read error\n"); \
- return; } }
- #define checkbuf { if (nptr >= sbuffer + sizeof(sbuffer)) nextbuf; }
-
- #ifdef U_TOO_LONG
- #define shiftreg(n) sreg = (sreg<< n ) & 0xffffffff;
- #else
- #define shiftreg(n) sreg<<=n;
- #endif
-
- #define shiftout(n){ shiftreg(n); inh-=n; \
- while (inh<=24) \
- {checkbuf; \
- sreg |= ((uINT)(*(nptr++)))<<(24-inh);\
- inh+=8;\
- }\
- }
- #define issync ((sreg & 0xffffff00) == 0xfffffe00)
- #define brutesync ((sreg & 0x00fff000) == 0x00fff000)
- #define seeksync { while (!brutesync) shiftout(8); while (!issync) shiftout(1);}
-
- #ifdef FASTHUFF
- struct myhqt **HTAB;
- HTAB=0;
- inithuff(myhufflen0,myhuff0,HTAB0);
- inithuff(myhufflen1,myhuff1,HTAB1);
- inithuff(myhufflen2,myhuff2,HTAB2);
- #define SETHUFF0 HTAB=HTAB0;
- #define SETHUFF1 HTAB=HTAB1;
- #define SETHUFF2 HTAB=HTAB2;
- #define FINDHUFF(x) {x=HTAB[sreg>>16];}
-
- #else
-
- sINT i;
- struct myhqt *htptr;
- htptr=0;
- #define SETHUFF0 { htlen=myhufflen0 ; htptr = myhuff0 ; }
- #define SETHUFF1 { htlen=myhufflen1 ; htptr = myhuff1 ; }
- #define SETHUFF2 { htlen=myhufflen2 ; htptr = myhuff2 ; }
- #define FINDHUFF(x) {for(i=0, x=htptr;(i<htlen) && ((sreg & x ->mask)!= x->seq); i++,x++); \
- if(i>=htlen) x=0;}
- #endif
-
- melde("decode\n");
- anfang=ende=0;
-
- if(fak >= 0)
- {w =si->w *fak;
- h =si->h *fak;
- hoff=si->rdhoff*fak; if(hoff & 1 ) error(E_INTERN); /* Must be all even */
- hlen=si->rdhlen*fak; if(hlen & 1 ) error(E_INTERN); hende=hlen+hoff;
- voff=si->rdvoff*fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen*fak; if(vlen & 1 ) error(E_INTERN); vende=vlen+voff;
- }
- else
- {fak = -fak;
- w =si->w /fak;
- h =si->h /fak;
- hoff=si->rdhoff/fak; if(hoff & 1 ) error(E_INTERN); /* Must be all even */
- hlen=si->rdhlen/fak; if(hlen & 1 ) error(E_INTERN); hende=hlen+hoff;
- voff=si->rdvoff/fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen/fak; if(vlen & 1 ) error(E_INTERN); vende=vlen+voff;
- }
-
-
- if( f && ((! f->im) || ( f->iheight != vlen ) || (f->iwidth != hlen ))) error(E_INTERN);
- if( f1 && ((!f1->im) || (f1->iheight != vlen/2) || (f1->iwidth != hlen/2))) error(E_INTERN);
- if( f2 && ((!f2->im) || (f2->iheight != vlen/2) || (f2->iwidth != hlen/2))) error(E_INTERN);
-
- htlen=sreg=maxwidth=0;
- zeile=0;
- nextbuf;
- inh=32;
- lptr=0;
- part=do_inform=0;
- shiftout(16);
- shiftout(16);
-
- if(autosync) seeksync;
-
- if(!issync)
- { if(!do_rep) error(E_SEQ6);
- else
- {fprintf(stderr,"Image does not start with synchron mark, seeking...\n");
- seeksync;
- do_inform=1;
- }
- }
-
- n=0;
-
- for(;;)
- {
- if (issync)
- {shiftout(24);
- ident=sreg>>16;
- shiftout(16);
-
- zeile=(ident>>1) & 0x1fff;
- segment=ident>>14;
- if(do_inform) {fprintf(stderr,"Synchron mark found Line %d\n",zeile);do_inform=0;}
- #ifdef DEBUG
- fprintf(stderr,"Id %4x Zeile: %6d Seg %3d Pix bisher: %5d Position: %8lx+%5lx=%8x\n",
- ident,zeile,segment,n,bufpos,nptr-sbuffer,bufpos+nptr-sbuffer);
- #endif
-
-
- if(lptr && (n!=maxwidth))
- {if(!do_rep)error(E_SEQ1);
- else fprintf(stderr,"Line %d in %s : wrong length of last line (%d)\n",zeile,pn[part],n);
- }
- n=0;
-
- if(zeile==h) {RPRINT; return; }
- if(zeile >h)
- { if(!do_rep) error(E_SEQ2);
- else
- {fprintf(stderr,"Wrong line number %d, ignoring line\n",zeile);
- seeksync;
- n=maxwidth;
- do_inform=1;
- }
- }
- else switch(segment)
- {
- case 1: if(!do_rep) error(E_SEQ3);
- fprintf(stderr,"Abnormal line tag in %d, interpreting as Luma tag\n",zeile);
- case 0: maxwidth=w;
- if((!f) && autosync) {seeksync; n=maxwidth; break;}
- if(!f) error(E_SEQ7);
- if((zeile<voff) || (zeile >= vende)) {seeksync; n=maxwidth; break;}
- anfang=hoff; ende=hende;
- lptr=f->im + (zeile-voff)*f->mwidth;
- SETHUFF0;
- part=0;
- break;
-
- case 2: maxwidth=w>>1;
- if(!f1) return;
- /*if((!f1) && autosync) {seeksync; break;}*/
- if((zeile<voff) || (zeile >= vende)) {seeksync; n=maxwidth; break;}
- anfang=hoff>>1; ende=hende>>1;
- lptr=f1->im + ((zeile-voff)>>1)*f1->mwidth;
- SETHUFF1;
- part=1;
- break;
-
- case 3: maxwidth=w>>1;
- if(!f2) return;
- /*if((!f2) && autosync) {seeksync; break;}*/
- if((zeile<voff) || (zeile >= vende)) {seeksync; n=maxwidth; break;}
- anfang=hoff>>1; ende=hende>>1;
- lptr=f2->im + ((zeile-voff)>>1)*f2->mwidth;
- SETHUFF2;
- part=2;
- break;
-
- default:error(E_SEQ3);
- }
- }
- else
- {
- if(!lptr) error(E_SEQ6);
-
- if(n>maxwidth)
- {
- #ifdef DEBUG
- fprintf(stderr,"Register: %08lx Pos: %08lx\n",sreg,bufpos+nptr-sbuffer);
- #endif
- if (!do_rep) error(E_SEQ4);
- else { fprintf(stderr,"Missing synchron mark in %s line %d\n",pn[part],zeile);
- seeksync;
- do_inform=1;
- n=maxwidth;
- }
- }
- else
- {FINDHUFF(hp);
- if(!hp)
- { if(!do_rep) error(E_SEQ5);
- fprintf(stderr,"Unable to decode, ignoring rest of line\n");
- seeksync;
- n=maxwidth;
- do_inform=1;
- }
- else
- {if((n>= anfang) && (n<ende))
- {sum=((sINT)(*lptr)) + ((sBYTE)hp->key);
- NORM(sum);
- *(lptr++) = sum;
- }
-
- n++;
- shiftout(hp->len);
- }
- }
- }
-
- }
-
-
- #undef nextbuf
- #undef checkbuf
- #undef shiftout
- #undef issync
- #undef seeksync
-
- }
-
-
-
- /* Decode the 64Base files */
- void decodex(FILE *fp, int tag , struct ic_descr *descr,sizeinfo *si,int fak,implane *f,sINT autosync)
- {dim w,h,hoff,hlen,hende,voff,vlen,vende,anfang,ende;
- sINT htlen,sum,do_inform,part;
- uINT sreg,maxwidth;
- uINT inh,n,pos,zeile,segment,ident,sector,offset,length;
- struct myhqt *hp;
-
- uBYTE *nptr;
- uBYTE *lptr;
-
- int bufcont;
-
-
-
- #define nextbuf { nptr=sbuffer; \
- bufcont=fread(sbuffer,1,sizeof(sbuffer),fp);\
- if(bufcont<1)\
- {if(feof(fp)) {fprintf(stderr,"EOF\n"); return;}\
- if(!do_rep) error(E_READ); \
- fprintf(stderr,"Read error\n"); \
- return; } }
-
-
- #define checkbuf { if (nptr >= sbuffer + bufcont) nextbuf; }
-
- #ifdef U_TOO_LONG
- #define shiftreg(n) sreg = (sreg<< n ) & 0xffffffff;
- #else
- #define shiftreg(n) sreg<<=n;
- #endif
-
- #define shiftout(n){ shiftreg(n); inh-=n; \
- while (inh<=24) \
- {checkbuf; \
- sreg |= ((uINT)(*(nptr++)))<<(24-inh);\
- inh+=8;\
- }\
- }
- #define issync ((sreg & 0xffffff00) == 0xfffffe00)
- #define brutesync ((sreg & 0x00fff000) == 0x00fff000)
- #define seeksync { while ((!brutesync) && (bufcont>0)) shiftout(8); \
- while ((!issync) && (bufcont>0)) shiftout(1);}
-
- #ifdef FASTHUFF
- struct myhqt **HTAB;
- HTAB=0;
- switch(tag)
- {case 0: inithuff(myhufflen0,myhuff0,HTAB0); break;
- case 1: inithuff(myhufflen1,myhuff1,HTAB1); break;
- case 2: inithuff(myhufflen2,myhuff2,HTAB2); break;
- default: error(E_INTERN);
- }
- #define SETHUFF0 HTAB=HTAB0;
- #define SETHUFF1 HTAB=HTAB1;
- #define SETHUFF2 HTAB=HTAB2;
- #define FINDHUFF(x) {x=HTAB[sreg>>16];}
-
- #else
-
- sINT i;
- struct myhqt *htptr;
- htptr=0;
- #define SETHUFF0 { htlen=myhufflen0 ; htptr = myhuff0 ; }
- #define SETHUFF1 { htlen=myhufflen1 ; htptr = myhuff1 ; }
- #define SETHUFF2 { htlen=myhufflen2 ; htptr = myhuff2 ; }
- #define FINDHUFF(x) {for(i=0, x=htptr;(i<htlen) && ((sreg & x ->mask)!= x->seq); i++,x++); \
- if(i>=htlen) x=0;}
- #endif
-
-
-
-
-
-
-
- melde("decodex\n");
- anfang=ende=0;
- maxwidth=FILE32(descr->length);
- h =FILE16(descr->height);
- offset =FILE16(descr->offset);
- length =FILE32(descr->length);
-
-
- if(fak >= 0)
- {w =si->w *fak;
- h =si->h *fak;
- hoff=si->rdhoff*fak; if(hoff & 1 ) error(E_INTERN);
- hlen=si->rdhlen*fak; if(hlen & 1 ) error(E_INTERN); hende=hlen+hoff;
- voff=si->rdvoff*fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen*fak; if(vlen & 1 ) error(E_INTERN); vende=vlen+voff;
- }
- else
- {fak = -fak;
- w =si->w /fak;
- h =si->h /fak;
- hoff=si->rdhoff/fak; if(hoff & 1 ) error(E_INTERN);
- hlen=si->rdhlen/fak; if(hlen & 1 ) error(E_INTERN); hende=hlen+hoff;
- voff=si->rdvoff/fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen/fak; if(vlen & 1 ) error(E_INTERN); vende=vlen+voff;
- }
-
-
- if(!f) error(E_INTERN);
-
- #ifdef DEBUG
- fprintf(stderr,"fak %d\n",fak);
- fprintf(stderr,"f->im %x \n",(unsigned)f->im);
- fprintf(stderr,"f->iheight %d %d\n",f->iheight,vlen);
- fprintf(stderr,"f->iwidth %d %d\n",f->iwidth,hlen);
- fprintf(stderr,"hoffset %d hende %d voffset %d vende %d\n",hoff,hende,voff,vende);
- #endif
-
- if((! f->im) || ( f->iheight != vlen ) || (f->iwidth != hlen )) error(E_INTERN);
-
-
- switch(tag)
- {case 0: SETHUFF0; break;
- case 1: SETHUFF1; break;
- case 2: SETHUFF2; break;
- default: error(E_INTERN);
- }
-
-
-
- htlen=sreg=0;
- zeile=0;
- nextbuf;
- inh=32;
- lptr=0;
- part=do_inform=0;
- shiftout(16);
- shiftout(16);
-
- if(autosync) seeksync;
-
- if(!issync)
- { if(!do_rep) error(E_SEQ6);
- else
- {fprintf(stderr,"Image does not start with synchron mark, seeking...\n");
- seeksync;
- do_inform=1;
- }
- }
-
-
- n=pos=0;
-
-
- for(;;)
- {if (issync)
- {shiftout(24);
- ident=(sreg>>8) & 0xffffff;
- shiftout(24);
-
- segment=(ident>>20) & 0xf;
- zeile =(ident>>6 ) & 0x3fff;
- sector =(ident>>1 ) & 0x1f;
-
- if(segment != tag) {fprintf(stderr,"Falsches Segment\n"); return;}
- if(do_inform) {fprintf(stderr,"Synchron mark found Line %d\n",zeile);do_inform=0;}
-
- if(zeile < voff ) {n=maxwidth; seeksync; continue;}
- if(zeile >= vende) return;
-
-
-
- #ifdef DEBUG
- fprintf(stderr,"Id %4x Zeile: %6d Seg %3d Sect %d Pix bisher: %5d \n",
- ident,zeile,segment,sector,n);
- #endif
-
-
- if(lptr && (n!=maxwidth))
- {if(!do_rep)error(E_SEQ1);
- else fprintf(stderr,"Line %d in %s : wrong length of last line (%d)\n",zeile,pn[part],n);
- }
-
-
- n=0;
-
- if(zeile==h) {RPRINT; return; }
- if(zeile >h)
- { if(!do_rep) error(E_SEQ2);
- else
- {fprintf(stderr,"Wrong line number %d, ignoring line\n",zeile);
- seeksync;
- n=maxwidth;
- do_inform=1;
- }
- }
- else
- {switch(tag)
- {case 0: anfang=hoff; ende=hende;
- pos=offset + sector*length;
- if((pos>=ende) || (pos+length < anfang)) { n=maxwidth; seeksync; continue;}
- lptr=f->im + (zeile-voff)*f->mwidth + (pos>anfang?(pos-anfang):0) ;
-
- break;
- case 1:
- case 2: anfang=hoff; ende=hende;
- pos=(offset>>1) + sector*length;
- if((pos>=ende) || (pos+length < anfang)) { n=maxwidth; seeksync; continue;}
- lptr=f->im + (zeile-voff)*f->mwidth + (pos>anfang?(pos-anfang):0) ;
-
- break;
-
-
- default: error(E_INTERN);
- }
- }
- }
- else /* for if (issync) */
- {if(!lptr) error(E_SEQ6);
-
- FINDHUFF(hp);
- if(!hp)
- { if(!do_rep) error(E_SEQ5);
- fprintf(stderr,"Unable to decode %08x, ignoring rest of line\n",sreg);
- seeksync;
- n=maxwidth;
- do_inform=1;
- }
- else
- {if((pos >= anfang) && (pos<ende))
- {sum=((sINT)(*lptr)) + ((sBYTE)hp->key);
- NORM(sum);
- *(lptr++) = sum;
- }
- n++; pos++;
- shiftout(hp->len);
- if(n==maxwidth)
- { if ((zeile >= vende -1) && (pos >= hende)) return;
- seeksync;
- }
- }
- }
- }
-
-
-
-
- #undef nextbuf
- #undef checkbuf
- #undef shiftout
- #undef issync
- #undef seeksync
-
- }
-
-
-
-
-
-
-
-
-
-
-
-
- enum ERRORS readplain(sizeinfo *si,int fak,implane *l,implane *c1,implane *c2)
- {dim i,w,h,hoff,hlen,voff,vlen;
- uBYTE *pl=0,*pc1=0,*pc2=0;
-
- melde("readplain\n");
-
- #ifdef DEBUG
- fprintf(stderr,"readplain %d %d %d %d %d %d %d\n",fak,si->w,si->h,si->rdhoff,si->rdhlen,si->rdvoff,si->rdvlen);
- #endif
-
- if(fak >= 0)
- {w =si->w *fak;
- h =si->h *fak;
- hoff=si->rdhoff*fak; if(hoff & 1 ) error(E_INTERN); /* Must be all even */
- hlen=si->rdhlen*fak; if(hlen & 1 ) error(E_INTERN);
- voff=si->rdvoff*fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen*fak; if(vlen & 1 ) error(E_INTERN);
- }
- else
- {fak = -fak;
- w =si->w /fak;
- h =si->h /fak;
- hoff=si->rdhoff/fak; if(hoff & 1 ) error(E_INTERN); /* Must be all even */
- hlen=si->rdhlen/fak; if(hlen & 1 ) error(E_INTERN);
- voff=si->rdvoff/fak; if(voff & 1 ) error(E_INTERN);
- vlen=si->rdvlen/fak; if(vlen & 1 ) error(E_INTERN);
- }
-
-
-
- if(l)
- { if ((l->mwidth<hlen) || (l->mheight<vlen) || (!l->im)) error(E_INTERN);
- l->iwidth=hlen;
- l->iheight=vlen;
- pl=l->im;
- }
-
- if(c1)
- { if ((c1->mwidth<(hlen>>1)) || (c1->mheight<(vlen>>1)) || (!c1->im)) error(E_INTERN);
- c1->iwidth=hlen>>1;
- c1->iheight=vlen>>1;
- pc1=c1->im;
- }
-
- if(c2)
- { if ((c2->mwidth<(hlen>>1)) || (c2->mheight<(vlen>>1)) || (!c2->im)) error(E_INTERN);
- c2->iwidth=hlen>>1;
- c2->iheight=vlen>>1;
- pc2=c2->im;
- }
-
- if(voff) SKIPr(w*3*(voff>>1));
-
- for(i=0;i<vlen>>1;i++)
- {
- if(pl)
- { if(hlen==w)
- {if(READ(pl,w)<1) return(E_READ);
- pl+= l->mwidth;
-
- if(READ(pl,w)<1) return(E_READ);
- pl+= l->mwidth;
- }
- else
- {SKIPr(hoff);
-
- if(READ(pl,hlen)<1) return(E_READ);
- pl+= l->mwidth;
-
- SKIPr(w-hlen); /* w - hlen - hoff + hoff */
-
- if(READ(pl,hlen)<1) return(E_READ);
- pl+= l->mwidth;
-
- SKIPr(w-hoff-hlen);
- }
- }
- else SKIPr(2*w);
-
- if(pc1)
- {
- if(hlen==w)
- {
- if(READ(pc1,w>>1)<1) return(E_READ);
- pc1+= c1->mwidth;
- }
- else
- {SKIPr((hoff)>>1);
- if(READ(pc1,hlen>>1)<1) return(E_READ);
- pc1+= c1->mwidth;
- SKIPr((w-hoff-hlen)>>1);
- }
- }
- else SKIPr(w>>1);
-
- if(pc2)
- {
- if(hlen==w)
- {
- if(READ(pc2,w>>1)<1) return(E_READ);
- pc2+= c2->mwidth;
- }
- else
- {SKIPr((hoff)>>1);
- if(READ(pc2,hlen>>1)<1) return(E_READ);
- pc2+= c2->mwidth;
- SKIPr((w-hoff-hlen)>>1);
- }
- }
- else SKIPr(w>>1);
-
-
- }
- RPRINT;
- return E_NONE;
- }
-