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/* hpcdtoppm (Hadmut's pcdtoppm) v0.5
* Copyright (c) 1992, 1993 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"
uBYTE sbuffer[SECSIZE];
enum TURNS turn = T_UNSPEC;
enum TURNS contori = T_UNSPEC;
enum SIZES size = S_UNSPEC;
enum OUTFOR outfor = O_UNSPEC;
enum CORR corrmode = C_UNSPEC;
sINT do_info,do_diff,do_overskip,do_sharp,monochrome,paper;
sINT do_melde,do_rep,do_crop;
sINT flhori=0,flvert=0;
sINT bufpos=0;
char *pcdname=0,*ppmname=0;
static FILE *fin=0,*fout=0;
static char *suba1=0,*suba2=0;
static implane Luma, Chroma1,Chroma2;
static implane *PLuma,*PChroma1,*PChroma2;
static sINT contsize=1;
static sINT emulate_seek=0;
static sINT print_pos;
#define PrintPos(x) {if(print_pos) fprintf(stderr,"File-Offset: %8d = %8x (hex)\n",(x),(x));}
static void checkin(void);
static void parseargs(int,char**);
static void sizecontrol(sizeinfo *,dim,dim);
static void f_1 (dim,dim,sINT,sINT);
static void f_3 (dim,dim,sINT);
static void f_4 (dim,dim,sINT);
static void f_5 (dim,dim);
static void f_ov(dim,dim,sINT,sINT);
static void f_co(dim,dim,sINT,sINT);
void close_all(void)
{
if(fin && (fin != stdin)) fclose(fin);
if(fout)
{if(fout==stdout)
fflush(fout);
else
fclose(fout);
}
}
void main(int argc,char **argv)
{
typecheck();
do_info=do_diff=do_overskip=do_sharp=monochrome=paper=0;
do_melde=do_rep=do_crop=0;
print_pos=0;
parseargs(argc,argv);
if(size == S_UNSPEC) size = S_DEFAULT;
if(outfor == O_UNSPEC) outfor = O_DEFAULT;
if(corrmode == C_UNSPEC) corrmode = C_DEFAULT;
if(turn == T_UNSPEC) turn = T_DEFAULT;
monochrome=(outfor==O_PGM)||(outfor==O_PSG)||(outfor==O_EPSG)||(outfor==O_PSD)||(outfor==O_EPSD);
paper =(outfor==O_PS )||(outfor==O_EPS)||(outfor==O_PSG )||(outfor==O_EPSG)||(outfor==O_PSD)||(outfor==O_EPSD);
if((size==S_Over) && (!ppmname)) error(E_ARG);
if((size==S_Contact) && do_crop) error(E_ARG);
if(do_overskip && do_diff) error(E_OPT);
if(do_diff && (size != S_4Base) && (size != S_16Base)) error(E_OPT);
if(do_overskip && (size != S_Base16) && (size != S_Base4) && (size != S_Base) && (size != S_4Base) ) error(E_OVSKIP);
if(print_pos && (size != S_Base16) && (size != S_Base4) && (size != S_Base) && (size != S_4Base) ) error(E_OPT);
if(do_info && (size != S_Base16) && (size != S_Base4) && (size != S_Base) && (size != S_4Base) ) error(E_OPT);
if(monochrome && do_overskip) error(E_OPT);
if((size==S_Contact) &&((contsize<1) || (contsize>100))) error(E_OPT);
if(suba1 && ( size==S_Contact || size==S_Over)) error(E_OPT);
if(suba1 && do_crop) error(E_OPT);
if((!paper) && (PSIZE_SET || DPI_SET || FAK_SET)) error(E_OPT);
if(PSIZE_SET && DPI_SET && FAK_SET) error(E_OPT);
if((DPI_SET || FAK_SET) && (outfor!=O_PSD) && (outfor!=O_EPSD)) error(E_OPT);
if(strcmp(pcdname,"-"))
{ if(!(fin=fopen(pcdname,R_OP))) error(E_READ);
emulate_seek=0;
}
else
{pcdname="<stdin>";
emulate_seek=1;
#ifdef USE_FDOPEN
fin=fdopen(fileno(stdin),R_OP);
if(!fin) error(E_READ);
#else
fin=stdin;
#endif
}
bufpos=0;
if((size != S_Over) && (size != S_Contact)) checkin();
PLuma= &Luma;
PChroma1= monochrome ? 0 : &Chroma1;
PChroma2= monochrome ? 0 : &Chroma2;
switch(size)
{
case S_Base16: f_1(BaseW/4,BaseH/4,L_Head,(L_Head+L_Base16));
break;
case S_Base4: f_1(BaseW/2,BaseH/2,(L_Head+L_Base16),(L_Head+L_Base16+L_Base4));
break;
case S_Base: f_3(BaseW,BaseH,(L_Head+L_Base16+L_Base4));
break;
case S_4Base: f_4(BaseW*2,BaseH*2,(L_Head+L_Base16+L_Base4));
break;
case S_16Base: f_5(BaseW*4,BaseH*4);
break;
case S_Over: f_ov(BaseW/4,BaseH/4,5,SeBase16);
break;
case S_Contact: f_co(BaseW/4,BaseH/4,5,SeBase16);
break;
default: error(E_INTERN);
}
close_all();
exit(0);
}
static void openoutput(void)
{
if(!ppmname)
{
#ifdef USE_FDOPEN
fout=fdopen(fileno(stdout),W_OP);
if(!fout) error(E_WRITE);
#else
fout=stdout;
#endif
}
else
{if (!(fout=fopen(ppmname,W_OP))) error(E_WRITE);
}
}
static void f_1(dim w,dim h,sINT normal,sINT overskip)
{sizeinfo si;
sizecontrol(&si,w,h);
planealloc(PLuma ,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma1,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma2,si.rdhlen,si.rdvlen);
PrintPos(normal*SECSIZE);
SEEK(normal+1);
if(!do_overskip)
{ error(readplain(&si,1,PLuma,PChroma1,PChroma2));
if (!monochrome)
{interpolate(PChroma1);
interpolate(PChroma2);
}
}
else
{ error(readplain(&si,1,PLuma,nullplane,nullplane));
SEEK(overskip+1);
error(readplain(&si,2,nullplane,PChroma1,PChroma2));
}
colconvert(&si,PLuma,PChroma1,PChroma2);
/* Now Luma holds red, Chroma1 hold green, Chroma2 holds blue */
openoutput();
writepicture(fout,&si,PLuma,PChroma1,PChroma2,turn);
}
static void f_3(dim w,dim h,sINT normal)
{sINT cd_offset,cd_offhelp;
sizeinfo si;
sizecontrol(&si,w,h);
PrintPos(normal*SECSIZE);
SEEK(normal+1);
if(!do_overskip)
{ planealloc(PLuma ,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma1,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma2,si.rdhlen,si.rdvlen);
error(readplain(&si,1,PLuma,PChroma1,PChroma2));
if (!monochrome)
{interpolate(PChroma1);
interpolate(PChroma2);
}
}
else
{planealloc(PLuma , si.rdhlen, si.rdvlen);
planealloc(PChroma1,2*si.rdhlen,2*si.rdvlen);
planealloc(PChroma2,2*si.rdhlen,2*si.rdvlen);
error(readplain(&si,1,PLuma,PChroma1,PChroma2));
interpolate(PChroma1);
interpolate(PChroma2);
interpolate(PChroma1);
interpolate(PChroma2);
cd_offset=Skip4Base();
SEEK(cd_offset+10); EREADBUF; cd_offhelp=(((uINT)sbuffer[2])<<8)|sbuffer[3];
SEEK(cd_offset+12); readhqt(3);
SEEK(cd_offset+cd_offhelp); decode(&si,4,nullplane,PChroma1,PChroma2,1);
halve(PChroma1);
halve(PChroma2);
}
colconvert(&si,PLuma,PChroma1,PChroma2);
/* Now Luma holds red, Chroma1 hold green, Chroma2 holds blue */
openoutput();
writepicture(fout,&si,PLuma,PChroma1,PChroma2,turn);
}
static void f_4(dim w,dim h,sINT normal)
{sINT cd_offset,cd_offhelp;
sizeinfo si;
sizecontrol(&si,w,h);
planealloc(PLuma ,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma1,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma2,si.rdhlen,si.rdvlen);
PrintPos((L_Head+L_Base16+L_Base4+L_Base)*SECSIZE);
if(!do_overskip)
{SEEK(L_Head+L_Base16+L_Base4+1);
error(readplain(&si,-2,PLuma,PChroma1,PChroma2));
interpolate(PLuma);
if (!monochrome)
{interpolate(PChroma1);
interpolate(PChroma1);
interpolate(PChroma2);
interpolate(PChroma2);
}
if(do_diff) {clear(PLuma,neutrLum);clear(PChroma1,neutrCh1);clear(PChroma2,neutrCh2);}
cd_offset = L_Head + L_Base16 + L_Base4 + L_Base ;
SEEK(cd_offset + 4); readhqt(1);
SEEK(cd_offset + 5); decode(&si,1,PLuma,nullplane,nullplane,0);
}
else
{SEEK(L_Head+L_Base16+L_Base4+1);
error(readplain(&si,-2,PLuma,PChroma1,PChroma2));
interpolate(PLuma);
interpolate(PChroma1);
interpolate(PChroma1);
interpolate(PChroma2);
interpolate(PChroma2);
cd_offset = L_Head + L_Base16 + L_Base4 + L_Base ;
SEEK(cd_offset + 4); readhqt(1);
SEEK(cd_offset + 5); decode(&si,1,PLuma,nullplane,nullplane,0);
cd_offset=bufpos;
if(cd_offset % SECSIZE) error(E_POS);
cd_offset/=SECSIZE;
SEEK(cd_offset+10); EREADBUF; cd_offhelp=(((uINT)sbuffer[2])<<8)|sbuffer[3];
SEEK(cd_offset+12); readhqt(3);
SEEK(cd_offset+cd_offhelp); decode(&si,2,nullplane,PChroma1,PChroma2,1);
}
colconvert(&si,PLuma,PChroma1,PChroma2);
/* Now Luma holds red, Chroma1 hold green, Chroma2 holds blue */
openoutput();
writepicture(fout,&si,PLuma,PChroma1,PChroma2,turn);
}
static void f_5(dim w,dim h)
{sINT cd_offset;
sizeinfo si;
sizecontrol(&si,w,h);
planealloc(PLuma ,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma1,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma2,si.rdhlen,si.rdvlen);
SEEK(L_Head+L_Base16+L_Base4+1);
error(readplain(&si,-4,PLuma,PChroma1,PChroma2));
interpolate(PLuma);
if(!monochrome)
{interpolate(PChroma1);
interpolate(PChroma1);
interpolate(PChroma2);
interpolate(PChroma2);
}
cd_offset = L_Head + L_Base16 + L_Base4 + L_Base ;
SEEK(cd_offset + 4); readhqt(1);
SEEK(cd_offset + 5); decode(&si,-2,PLuma,nullplane,nullplane,0);
interpolate(PLuma);
if(do_diff) {clear(PLuma,neutrLum);clear(PChroma1,neutrCh1);clear(PChroma2,neutrCh2);}
cd_offset=bufpos;
if(cd_offset % SECSIZE) error(E_POS);
PrintPos(cd_offset);
cd_offset/=SECSIZE;
SEEK(cd_offset+12); readhqt(3);
SEEK(cd_offset+14); decode(&si,1,PLuma,PChroma1,PChroma2,0);
if(!monochrome)
{interpolate(PChroma1);
interpolate(PChroma2);
}
colconvert(&si,PLuma,PChroma1,PChroma2);
/* Now Luma holds red, Chroma1 hold green, Chroma2 holds blue */
openoutput();
writepicture(fout,&si,PLuma,PChroma1,PChroma2,turn);
}
static void f_ov(dim w,dim h,sINT offset,sINT imsize)
{sINT bildnr,bilder;
dim wx,hx;
enum ERRORS eret;
enum TURNS imorient;
char nbuf[100];
uBYTE hbuf[SECSIZE];
sizeinfo si;
sizecontrol(&si,w,h);
wx=w; hx=h;
planealloc(PLuma ,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma1,si.rdhlen,si.rdvlen);
if (!monochrome) planealloc(PChroma2,si.rdhlen,si.rdvlen);
SEEK(0);
if(READ(hbuf,sizeof(hbuf))<1) error(E_READ);
bilder=(((sINT) hbuf[10])<<8) | hbuf[11];
for(bildnr=0;bildnr<bilder;bildnr++)
{w=wx;h=hx;
sizecontrol(&si,w,h);
PLuma->im=PLuma->mp;
if(PChroma1) PChroma1->im=PChroma1->mp;
if(PChroma2) PChroma2->im=PChroma2->mp;
SEEK(offset+imsize*bildnr);
eret=readplain(&si,1,PLuma,PChroma1,PChroma2);
if(eret==E_READ) break;
error(eret);
if(!monochrome)
{interpolate(PChroma1);
interpolate(PChroma2);
}
colconvert(&si,PLuma,PChroma1,PChroma2);
sprintf(nbuf,"%s%04d",ppmname,bildnr+1);
if (!(fout=fopen(nbuf,W_OP))) error(E_WRITE);
switch(hbuf[12+bildnr] & 3)
{case 0: imorient=T_NONE; break;
case 1: imorient=T_LEFT; break;
case 2: imorient=T_HEAD; break;
case 3: imorient=T_RIGHT; break;
default: imorient=T_NONE;
}
writepicture(fout,&si,PLuma,PChroma1,PChroma2,turn != T_AUTO ? turn : imorient);
}
}
static void f_co(dim w,dim h,sINT offset,sINT imsize)
{sINT bildnr,bilder,cols,rows,xstep,ystep,mw,mh;
enum ERRORS eret;
enum TURNS imorient;
implane mLuma,mChroma1,mChroma2;
implane *pmL,*pmCh1,*pmCh2;
uBYTE hbuf[SECSIZE];
sizeinfo sibig,sismall;
pmL= &mLuma;
pmCh1= monochrome ? 0 : &mChroma1;
pmCh2= monochrome ? 0 : &mChroma2;
SEEK(0);
if(READ(hbuf,sizeof(hbuf))<1) error(E_READ);
bilder=(((sINT) hbuf[10])<<8) | hbuf[11];
cols=contsize;
rows=(bilder+cols-1)/cols;
xstep=ystep=0;
switch(turn)
{case T_NONE:
case T_HEAD: xstep=w;ystep=h; break;
case T_RIGHT:
case T_LEFT: xstep=h;ystep=w; break;
case T_AUTO: xstep=ystep=w; break;
default: error(E_INTERN);
}
mw=cols*xstep;
mh=rows*ystep;
sizecontrol(&sibig ,mw,mh);
sizecontrol(&sismall, w, h);
planealloc(PLuma ,w,h);
if (!monochrome) planealloc(PChroma1,w,h);
if (!monochrome) planealloc(PChroma2,w,h);
planealloc(pmL,mw,mh);
mLuma.iwidth=mw;
mLuma.iheight=mh;
clear(pmL,CONTLUM);
if(!monochrome)
{ planealloc(pmCh1,mw,mh);
mChroma1.iwidth=mw;
mChroma1.iheight=mh;
clear(pmCh1,CONTCH1);
planealloc(pmCh2,mw,mh);
mChroma2.iwidth=mw;
mChroma2.iheight=mh;
clear(pmCh2,CONTCH2);
}
for(bildnr=0;bildnr<bilder;bildnr++)
{SEEK(offset+imsize*bildnr);
eret=readplain(&sismall,1,PLuma,PChroma1,PChroma2);
if(eret==E_READ) break;
error(eret);
if(!monochrome)
{interpolate(PChroma1);
interpolate(PChroma2);
}
switch(hbuf[12+bildnr] & 3)
{case 0: imorient=T_NONE; break;
case 1: imorient=T_LEFT; break;
case 2: imorient=T_HEAD; break;
case 3: imorient=T_RIGHT; break;
default: imorient=T_NONE;
}
pastein(pmL,(bildnr%cols)*xstep,xstep,(bildnr/cols)*ystep,ystep,PLuma,((turn==T_AUTO)? imorient:turn));
if(!monochrome)
{pastein(pmCh1,(bildnr%cols)*xstep,xstep,(bildnr/cols)*ystep,ystep,PChroma1,((turn==T_AUTO)? imorient:turn));
pastein(pmCh2,(bildnr%cols)*xstep,xstep,(bildnr/cols)*ystep,ystep,PChroma2,((turn==T_AUTO)? imorient:turn));
}
}
colconvert(&sibig,pmL,pmCh1,pmCh2);
openoutput();
writepicture(fout,&sibig,pmL,pmCh1,pmCh2,contori);
}
#define ASKIP { argc--; argv ++;}
static void parseargs(int argc,char **argv)
{
char *opt;
ASKIP;
while((argc>0) && argv[0][0]=='-' && argv[0][1])
{
opt= (*argv)+1;
ASKIP;
/**** additional options ****/
if(!strcmp(opt,"x"))
{ if (!do_overskip) do_overskip=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"s"))
{ if (!do_sharp) do_sharp=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"d"))
{ if (!do_diff) do_diff=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"i"))
{ if (!do_info) do_info=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"m"))
{ if (!do_melde) do_melde=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"crop"))
{ if (!do_crop) do_crop=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"pos"))
{ if (!print_pos) print_pos=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"rep"))
{ if (!do_rep) do_rep=1;
else error(E_ARG);
continue;
}
/**** Orientation options ****/
if(!strcmp(opt,"n"))
{if (turn == T_UNSPEC) turn=T_NONE;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"r"))
{if (turn == T_UNSPEC) turn=T_RIGHT;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"l"))
{if (turn == T_UNSPEC) turn=T_LEFT;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"h"))
{if (turn == T_UNSPEC) turn=T_HEAD;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"a"))
{if (turn == T_UNSPEC) turn=T_AUTO;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"vert"))
{if (!flvert) flvert=1;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"hori"))
{if (!flhori) flhori=1;
else error(E_ARG);
continue;
}
/**** Output options ****/
if((!strcmp(opt,"ppm")) || (!strcmp(opt,"PPM")))
{ if (outfor == O_UNSPEC) outfor=O_PPM;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"pgm")) || (!strcmp(opt,"PGM")))
{ if (outfor == O_UNSPEC) outfor=O_PGM;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"ycc"))
{ if (outfor == O_UNSPEC) outfor=O_YCC;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"ps")) || (!strcmp(opt,"PS")))
{ if (outfor == O_UNSPEC) outfor=O_PS;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"eps")) || (!strcmp(opt,"EPS")))
{ if (outfor == O_UNSPEC) outfor=O_EPS;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"psg")) || (!strcmp(opt,"PSG")))
{ if (outfor == O_UNSPEC) outfor=O_PSG;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"epsg")) || (!strcmp(opt,"EPSG")))
{ if (outfor == O_UNSPEC) outfor=O_EPSG;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"psd")) || (!strcmp(opt,"PSD")))
{ if (outfor == O_UNSPEC) outfor=O_PSD;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"epsd")) || (!strcmp(opt,"EPSD")))
{ if (outfor == O_UNSPEC) outfor=O_EPSD;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"pl" ))
{ if(argc<1) error(E_ARG);
if((sscanf(*argv,SSFLTPT,&PAPER_LEFT))!=1) error(E_ARG);
ASKIP;
continue;
}
if(!strcmp(opt,"pb" ))
{ if(argc<1) error(E_ARG);
if((sscanf(*argv,SSFLTPT,&PAPER_BOTTOM))!=1) error(E_ARG);
ASKIP;
continue;
}
if(!strcmp(opt,"pw" ))
{ if(argc<1) error(E_ARG);
PSIZE_SET=1;
if((sscanf(*argv,SSFLTPT,&PAPER_WIDTH))!=1) error(E_ARG);
ASKIP;
continue;
}
if(!strcmp(opt,"ph" ))
{ if(argc<1) error(E_ARG);
PSIZE_SET=1;
if((sscanf(*argv,SSFLTPT,&PAPER_HEIGHT))!=1) error(E_ARG);
ASKIP;
continue;
}
if(!strcmp(opt,"dpi" ))
{ if(argc<1) error(E_ARG);
DPI_SET=1;
if((sscanf(*argv,SSFLTPT,&PRINTER_XDPI))!=1) error(E_ARG);
if(PRINTER_XDPI <= 0.0) error(E_OPT);
PRINTER_YDPI=PRINTER_XDPI;
ASKIP;
continue;
}
if(!strcmp(opt,"fak" ))
{ if(argc<1) error(E_ARG);
FAK_SET=1;
if((sscanf(*argv,SSFLTPT,&PRINTER_FAK))!=1) error(E_ARG);
if(PRINTER_FAK <= 0.0) error(E_OPT);
if(PRINTER_FAK > 1000.0) error(E_OPT);
ASKIP;
continue;
}
/**** Color model options ****/
if(!strcmp(opt,"c0"))
{ if (corrmode == C_UNSPEC) corrmode = C_LINEAR;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"c-"))
{ if (corrmode == C_UNSPEC) corrmode = C_DARK;
else error(E_ARG);
continue;
}
if(!strcmp(opt,"c+"))
{ if (corrmode == C_UNSPEC) corrmode = C_BRIGHT;
else error(E_ARG);
continue;
}
/**** Subrectangel option ****/
if(!strcmp(opt,"S"))
{ if (suba1) error(E_ARG);
if(argc<2) error(E_ARG);
suba1=argv[0];
ASKIP;
suba2=argv[0];
ASKIP;
continue;
}
/**** Resolution options ****/
if((!strcmp(opt,"Base/16")) || (!strcmp(opt,"1")) || (!strcmp(opt,"128x192")))
{ if (size == S_UNSPEC) size = S_Base16;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"Base/4" )) || (!strcmp(opt,"2")) || (!strcmp(opt,"256x384")))
{ if (size == S_UNSPEC) size = S_Base4;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"Base" )) || (!strcmp(opt,"3")) || (!strcmp(opt,"512x768")))
{ if (size == S_UNSPEC) size = S_Base;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"4Base" )) || (!strcmp(opt,"4")) || (!strcmp(opt,"1024x1536")))
{ if (size == S_UNSPEC) size = S_4Base;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"16Base" )) || (!strcmp(opt,"5")) || (!strcmp(opt,"2048x3072")))
{ if (size == S_UNSPEC) size = S_16Base;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"Overview" )) || (!strcmp(opt,"0")) || (!strcmp(opt,"O")))
{ if (size == S_UNSPEC) size = S_Over;
else error(E_ARG);
continue;
}
if((!strcmp(opt,"Contact" )) || (!strcmp(opt,"C")))
{ if (size == S_UNSPEC) size = S_Contact;
else error(E_ARG);
if(argc<2) error(E_ARG);
if((sscanf(*argv,"%d",&contsize))!=1) error(E_ARG);
ASKIP;
if (!strcmp(*argv,"n")) contori=T_NONE;
else if(!strcmp(*argv,"r")) contori=T_RIGHT;
else if(!strcmp(*argv,"l")) contori=T_LEFT;
else if(!strcmp(*argv,"h")) contori=T_HEAD;
else error(E_ARG);
ASKIP;
continue;
}
fprintf(stderr,"Unknown option: -%s\n",opt);
error(E_ARG);
}
if(argc<1) error(E_ARG);
pcdname= *argv;
ASKIP;
if(argc>0)
{ppmname= *argv;
ASKIP;
}
if(argc>0) error(E_ARG);
}
#undef ASKIP
void checkin(void)
{
if (do_info || (turn==T_AUTO))
{ SEEK(1);
EREADBUF;
}
if(turn==T_AUTO)
{
switch(sbuffer[0xe02 & 0x7ff]&0x03)
{case 0x00: turn=T_NONE; break;
case 0x01: turn=T_LEFT; break;
case 0x02: turn=T_HEAD; break;
case 0x03: turn=T_RIGHT; break;
default: error(E_TCANT);
}
}
if(do_info) druckeid();
}
/************************** file access functions **************/
int READ(uBYTE *ptr,int n)
{int d;
if(!n) return 1;
bufpos+=n;
for(;;)
{d=fread((char *)ptr,1,n,fin);
if(d<1) return 0;
n-=d;
if (!n) break;
ptr+=d;
}
return 1;
}
static int friss(int n)
{int d;
while(n>0)
{
d= n>sizeof(sbuffer) ? sizeof(sbuffer) : n;
n-=d;
if(READ(sbuffer,d) !=1) return 1;
}
return 0;
}
void SEEK(int x)
{
x *= SECSIZE;
if(x<bufpos) error(E_INTERN);
if(x==bufpos) return;
if(emulate_seek)
{if(friss(x-bufpos)) error(E_READ);
if(x!=bufpos) error(E_INTERN);
}
else
{bufpos=x;
if (fseek(fin,x,0)) error(E_READ);
}
#ifdef DEBUG
fprintf(stderr,"S-Position %x\n",bufpos);
#endif
}
int SKIPn(int n)
{
if(!n) return 0;
if(n<0) error(E_INTERN);
if(emulate_seek)
{return friss(n);
}
else
{bufpos+=n;
return fseek(fin,(n),1);
}
}
/************************** size control functions **************/
#define ISDIGIT(x) (((x)>='0') && ((x)<='9'))
static void number(char **s,char **i,char **f)
{char *p;
p= *s;
(*i)=(*f)=0;
if(!ISDIGIT(*p)) error(E_SUBR);
while(ISDIGIT(*p)) p++;
if(*p != '.')
{ *i=*s;
*s=p;
return;
}
p++;
if(!ISDIGIT(*p)) error(E_SUBR);
while(ISDIGIT(*p)) p++;
*f=*s;
*s=p;
}
static sdim makedim(full,i,f)
sdim full;
char *i,*f;
{sdim val;
FLTPT fl;
if(i)
{if(f) error(E_INTERN);
if(sscanf(i,"%u",&val) != 1) error(E_SUBR);
if((val<0) || (val >full)) error(E_SUBR);
return val;
}
else
{if(!f) error(E_INTERN);
if(sscanf(f,SSFLTPT,&fl) != 1) error(E_SUBR);
if((fl < 0.0) || (fl > 1.0)) error(E_SUBR);
val= full * fl + 0.5;
return val;
}
}
#define sMASK (~7)
static void sizealign(char *str,dim full,
dim *rdoff,dim *rdlen,dim *imoff,dim *imlen)
{char *i1,*f1,*tr,*i2,*f2,*ptr;
int vonbis=0;
sdim von,len,rest;
i1=f1=tr=i2=f2=0;
ptr=str;
number(&ptr,&i1,&f1);
if(*ptr == '-') vonbis=1;
else if (*ptr == '+') vonbis=0;
else error(E_SUBR);
ptr++;
number(&ptr,&i2,&f2);
if(*ptr) error(E_SUBR);
von=makedim(full,i1,f1);
len=makedim(full,i2,f2);
if(vonbis) len-=von;
rest=full-von-len;
if((von<0) || (len<1) || (rest<0)) error(E_SUBR);
*imlen = (dim) len;
*rdoff = (dim) (von & sMASK);
*rdlen = full - *rdoff - ((dim)( rest & sMASK) );
*imoff = ((dim) von) - *rdoff;
}
static void sizecontrol(sizeinfo *si,dim w,dim h)
{
si->w=w;
si->h=h;
if(!suba1)
{
si->rdhlen=w;
si->rdvlen=h;
si->rdhoff=0;
si->rdvoff=0;
si->imhlen=0;
si->imvlen=0;
si->imhoff=0;
si->imvoff=0;
}
else
{sizealign(suba1,w,&si->rdhoff,&si->rdhlen,&si->imhoff,&si->imhlen);
sizealign(suba2,h,&si->rdvoff,&si->rdvlen,&si->imvoff,&si->imvlen);
}
#ifdef DEBUG
fprintf(stderr,"Align: %5d %5d \n",si->w,si->h);
fprintf(stderr,"Align: %5d %5d %5d %5d \n",si->rdhoff,si->rdhlen,si->rdvoff,si->rdvlen);
fprintf(stderr,"Align: %5d %5d %5d %5d \n",si->imhoff,si->imhlen,si->imvoff,si->imvlen);
#endif
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.