/* (C)opyright 1994 Wolfgang R. Mueller, Computing Centre,
Heinrich-Heine-University Duesseldorf, Germany,
wolfgang@uni-duesseldorf.de, +49-211-311-3905.
This program may be used without any warranty under
the terms of the GNU general public licence. */
/* translated from the original TurboPascal source
partly with p2c, the Pascal-to-C translator */
#undef DJCOLOUR
#ifdef DJ550C
#define DJCOLOUR
#endif
#ifdef DJ500C
#define DJCOLOUR
#endif
#define DINA4
#include <stdio.h>
#ifdef __MSDOS__
#ifdef __TURBOC__
#include <dos.h>
#else
#include <pc.h>
#endif
#endif
#ifdef __TURBOC__
#include <mem.h>
#include <alloc.h>
#define malloc farmalloc
#define calloc farcalloc
#define realloc farrealloc
#define free farfree
#endif
#define uchar unsigned char
#define ushort unsigned short
#define ulong unsigned long
#define ptr void *
#define xmb 294 /* 8.5 inch X 300 dpi / 8 dot per byte*/
#ifdef __TURBOC__
#define ymax 47 /* +1=multiple of 8 */
#else
#define ymax 839 /* +1=multiple of 8 */
#endif
#define linl 299 /* =xmb+2+(xmb+128)div 128 */
#define maxink 16
#define smax 100
#ifdef __MSDOS__
static char tfmprefix[] = "c:\\tex\\fonts\\tfm\\";
static char fontprefix[] = "c:\\tex\\fonts\\canon\\";
#else
static char tfmprefix[] = "/usr/TeX/lib/tex/fonts/";
static char fontprefix[] = "/usr/TeX/lib/tex/fonts/";
#endif
typedef struct colpix { uchar cpix, mpix, ypix, kpix; } colpix;
typedef struct greydesc { uchar maskc, maskm, masky, maskk; } greydesc;
static uchar maskmat[5][4][4] = {
{ {17,2,5,17},{17,17,8,17},{17,17,17,11},{17,17,14,17} },
{ {1,17,17,3},{5,17,17,6},{8,10,12,17},{14,16,17,17} },
{ {17,17,17,17},{17,4,17,17},{17,17,17,17},{17,17,17,12} },
{ {14,4,16,2},{7,9,5,11},{15,1,13,3},{6,12,8,10} },
{ {0x88,0x44,0x22,0x11},{0,0,0,0},{0,0,0,0},{0,0,0,0} } };
static FILE *prot=stderr;
static uchar stackcy[smax], stackma[smax], stackye[smax], stackbl[smax];
static char STR[99], FOPRE[99], FOMAG[16], FONAM[99], FOLOC[99], FOFUL[99];
static char prfnam[99] = "prn";
static char defnam[73];
static colpix *pxlmem[ymax + 1];
static greydesc greymask[8];
static uchar maskb[maxink + 1][4][4];
static uchar zoll, zoll0, vsk1, vsk2, hsk3, prfilout, clearing, prinit = 0;
static long zoelli;
static short zilli, lz, colst, xres, yres, xmax;
static short vskop, hsk1, hsk2, lzd, vchd, prbs, prbe;
static FILE *prfile;
static uchar prbuf[2048];
static void Tptr(void *p) { if(p==NULL) {
fprintf(prot, " - not enough memory :-( "); exit(1);
} }
static void prfeval() {
if (!strcmp(".dvi", defnam+strlen(defnam)-4)) defnam[strlen(defnam)-4]=0;
if (*prfnam == '\0') sprintf(prfnam, "%s.pcl", defnam);
prfilout = (strcmp(prfnam, "prn") != 0);
xres = 300; yres = 300; xmax = xmb * 8 + 7;
zoll0 = (yres * 12 + ymax) / (ymax + 1);
if (prfilout) fprintf(prot, "writing to file %s\n", prfnam);
}
static void propen() { if (prinit) return; prinit = 1;
prbs=0; prbe=0; if(prfilout) prfile = fopen(prfnam, "w+b");
}
static void prflush() { if(prbs>=prbe) return;
if(prfilout) fwrite(&prbuf[prbs], prbe - prbs, 1, prfile);
prbe=0; prbs=prbe;
}
static void put(x) uchar x; {
if (prfilout) {
if (prbe == 2048) prflush();
prbuf[prbe] = x; prbe++;
} else
#ifdef __MSDOS__
outportb(0x378,x);
while((inportb(0x379)&0x80)==0);
outportb(0x37a,13);
inportb(0x379);
outportb(0x37a,12);
#else
putc(x,stdout);
#endif
}
static void esc(s) char *s; { short i, l;
put(0x1b); l = strlen(s);
for (i = 0; i < l; i++) put(s[i]);
}
static void prclos() {
if (!prinit) return;
prflush(); prinit = 0;
if (prfilout) fclose(prfile);
}
static void hardform() { esc("*rbC"); put(0xc); esc("E");
}
static void putint(i) short i; {
if (i >= 10) putint(i / 10);
put(i % 10 + '0');
}
static void putbits(c, pbuf) char c; uchar pbuf[linl+1]; {
uchar qbuf[linl+1]; short i, j, k, l, m, n; uchar b, ba;
n = xmb; while (pbuf[n] == 0 && n >= 0) n--;
if (n < 0) m = 0; else {
b = pbuf[0]; j = 1; k = 2; l = 2; qbuf[k] = b;
for (i = 1; i <= n; i++) { ba = b; b = pbuf[i];
if (ba == b) {
if (l == k) {
if (k == j + 1) k--; else {
l++; qbuf[l] = b;
if (l - j >= 128) { qbuf[j] = k - j - 2; j = k; }
} } else { l++;
if (j < k) { qbuf[j] = k - j - 2; j = k; }
if (l - j >= 128) {
qbuf[j] = 129; j = k + 2; k = j + 1; l = k; qbuf[k] = b;
} } } else {
if (l == k) { k++;
if (k - j > 128) { qbuf[j] = k - j - 2; j = k; k++; }
qbuf[k] = b; l = k;
} else if (j == k) { qbuf[j] = k - l + 256;
j += 2; k = j + 1; l = k; qbuf[k] = b;
} else { l++; k = l; qbuf[k] = b;
} } }
if (l == k) { qbuf[j] = l - j - 1; m = l;
} else if (j == k) { qbuf[j] = k - l + 256; m = j + 1;
} else { qbuf[j] = l - j - 1; m = l;
} }
esc("*b"); putint(m); put(c);
for (i = 1; i <= m; i++) put(qbuf[i]);
}
static short skipper;
static void hardcopy() { uchar pbuf[linl+1];
short x, y; uchar b,nothing; colpix *WITH;
propen();
if (zilli == 0) {
esc("E");
#ifdef DINA4
esc("&l26A");
#endif
esc("&a1N"); esc("*r2360S"); esc("*t300R");
#ifdef DJ550C
esc("*r-4U");
#endif
#ifdef DJ500C
esc("*r-3U");
#endif
esc("*p0x0Y"); esc("*r0A"); esc("*b2M"); skipper=0;
}
for (y = 0; y <= ymax; y++) { nothing=1;
for (x = 0; x <= xmb; x++) { WITH = &pxlmem[y][x];
#ifdef DJCOLOUR
b = WITH->kpix | (WITH->cpix & WITH->mpix & WITH->ypix);
#else
b = WITH->kpix | (WITH->cpix | WITH->mpix | WITH->ypix);
#endif
WITH->kpix = b;
#ifdef DJ550C
b = ~b; WITH->cpix &= b; WITH->mpix &= b; WITH->ypix &= b;
#endif
#ifdef DJ500C
WITH->kpix = WITH->cpix | b; WITH->mpix |= b; WITH->ypix |= b;
#endif
if(WITH->kpix|WITH->cpix|WITH->mpix|WITH->ypix) nothing=0;
}
if(nothing) skipper++; else {
if(skipper>0) { esc("*b"); putint(skipper); put('Y'); skipper=0; }
for (x = 0; x <= xmb; x++) pbuf[x] = pxlmem[y][x].kpix;
#ifdef DJ550C
putbits('V', pbuf);
for (x = 0; x <= xmb; x++) pbuf[x] = pxlmem[y][x].cpix;
#endif
#ifdef DJCOLOUR
putbits('V', pbuf);
for (x = 0; x <= xmb; x++) pbuf[x] = pxlmem[y][x].mpix;
putbits('V', pbuf);
for (x = 0; x <= xmb; x++) pbuf[x] = pxlmem[y][x].ypix;
#endif
putbits('W', pbuf);
} } prflush(); }
static void pixet(y, x, b) ushort y, x; uchar b; {
colpix *WITH; greydesc *WITH1;
WITH = &pxlmem[y][x]; WITH1 = &greymask[y & 7];
if (clearing) { WITH->cpix &= ~b; WITH->mpix &= ~b;
WITH->ypix &= ~b; WITH->kpix &= ~b; return;
}
WITH->cpix |= b & WITH1->maskc; WITH->mpix |= b & WITH1->maskm;
WITH->ypix |= b & WITH1->masky; WITH->kpix |= b & WITH1->maskk;
}
static void setrect(xl, yl, xh, yh) ushort xl, yl, xh, yh; {
ushort x, y, xll, xrr; uchar a, b, c;
xll = xl >> 3; xrr = xh >> 3;
a = (0xff >> (xl & 7)) & 255; c = 0xff << (7 - (xh & 7));
for (y = yl; y <= yh; y++) { b = a;
for (x = xll; x <= xrr; x++) {
if (x == xrr) b &= c;
pixet(y, x, b); b = 0xff;
} } }
/*static long prodovz(a, b) ushort a, b; { return ((long)a * (long)b); }
static long scaled(w, z) long w, z; { long s;
union { long l; struct { ushort n, h; } U1; } a, b;
a.l = w; b.l = z;
s = (((((ulong)prodovz(a.U1.n, b.U1.n)) >> 16) + prodovz(a.U1.n,
b.U1.h) + prodovz(a.U1.h, b.U1.n)) >> 4) +
(prodovz(a.U1.h, b.U1.h) << 12);
if (w < 0) s -= z << 12; return s;
} */
static long scaled(w, z) long w, z; { long s; ulong t=w, u=z;
/* should return w * z / 2**20 */
s = ( ( (((t & 65535L) * (u & 65535L)) >> 16)
+ (t & 65535L) * (u >> 16)
+ (t >> 16) * (u & 65535L) ) >> 4)
+ ( ( (t >> 16) * (u >> 16) ) << 12);
if (w < 0) s -= z << 12; return s;
}
static char dviname[73];
static FILE *dvifile;
static long dvimag;
static uchar dvibuf[2048];
static ushort dvibufp, dvibufe;
static void baddvi(s) char *s; {
fprintf(prot, "bad dvi: %s\n", s); exit(1);
}
static void dvibytes(s, l) char *s; uchar l; { ushort ll;
s[l] = '\0'; ll = dvibufe - dvibufp;
if (ll >= l) {
memmove((ptr)s, (ptr)(&dvibuf[dvibufp]), (long)l);
dvibufp += l; return;
}
if (ll > 0) memmove((ptr)s, (ptr)(&dvibuf[dvibufp]), (long)ll);
dvibufe = fread(dvibuf, 1, 2048, dvifile);
if (dvibufe + ll < l) baddvi("ends prematurely !");
memmove((ptr)(&s[ll]), (ptr)dvibuf, (long)(l - ll));
dvibufp = l - ll;
}
static uchar dvibyte() { uchar b;
if (dvibufp >= dvibufe) { dvibufp = 0;
dvibufe = fread(dvibuf, 1, 2048, dvifile);
}
if (dvibufp >= dvibufe) baddvi("ends prematurely !");
b = dvibuf[dvibufp]; dvibufp++; return b;
}
static void dviskip(l) long l; { uchar b;
while (l > 0) {
l += (long)dvibufp - (long)dvibufe;
if (l <= 0) dvibufp = dvibufe + l;
else { dvibufp = dvibufe; l--; dvibyte(); }
} }
static long dvinum(b) uchar b; { uchar i; long n;
n = 0;
if (dvibufp + b > dvibufe) {
for (i = 1; i <= b; i++) n = (n << 8) | dvibyte(); return n;
}
for (i = 0; i < b; i++) n = (n << 8) | dvibuf[dvibufp + i];
dvibufp += b; return n;
}
static long dviint(b) uchar b; { uchar i; long n;
if (dvibufp + b <= dvibufe) {
n = dvibuf[dvibufp];
if (n > 127) n -= 256;
for (i = 1; i < b; i++) n = (n << 8) | dvibuf[dvibufp + i];
dvibufp += b; return n;
}
n = dvibyte();
if (n > 127) n -= 256;
for (i = 2; i <= b; i++) n = (n << 8) | dvibyte(); return n;
}
static void dviposit(l) long l; { fseek(dvifile, l, 0);
dvibufe = fread(dvibuf, 1, 2048, dvifile); dvibufp = 0;
}
static void dviopen() { long l; uchar j, em; ushort k;
sprintf(STR, "%s.dvi", dviname);
if ((dvifile = fopen(STR, "rb"))==0) { strcpy(STR, dviname);
if ((dvifile = fopen(STR, "rb"))==0) baddvi("not existing !");
}
dvibufe = fread(dvibuf, 1, 2, dvifile);
if (dvibufe < 2) baddvi("empty !");
em = dvibuf[1];
if (dvibuf[0] != 247) baddvi("no valid preamble");
/* now position to postamble */
fseek(dvifile, 0L, 2); l=ftell(dvifile); if(l>2048) l=2048;
fseek(dvifile, -l, 2); k = fread(dvibuf, 1, 2048, dvifile);
do { k--; } while (k >= 4 && dvibuf[k] != em);
if (k < 4) baddvi("no postamble in last 2048 bytes !");
dvibufe = k + 1; dvibufp = k - 4; l = dvinum(4);
fseek(dvifile, l, 0); dvibufe = fread(dvibuf, 1, 2048, dvifile);
dvibufp = 0; dvibyte();
}
typedef union chdesc { uchar b8[16];
struct { short wid, hei, hof, vof; long bmp, tfw; } U1;
struct { long tfh, tfd, dum1, dum2; } U2;
} chdesc;
typedef struct fontdesc {
long dfn; char *fonam; chdesc *chv;
long danf; uchar *chm; short mch, fty;
} fontdesc;
static fontdesc **fontvect;
static uchar fontint;
static FILE *fofil;
static uchar *achm;
static uchar fofbyte() { uchar b;
if (fread(&b, 1, 1, fofil) <= 0) b = 0; return b;
}
static long fofint(b) uchar b; { uchar i; long n;
n = fofbyte(); if (n > 127) n -= 256;
for (i = 2; i <= b; i++) n = (n << 8) | fofbyte();
return n;
}
static long hs[smax], vs[smax], ws[smax], xs[smax], ys[smax], zs[smax];
static long cnt[10];
static uchar bitrev[256];
static char comment[256];
static double conv, vconv;
static long l, landx, landy, newmag;
static long a, b, c, f, q, h, v, hoff, voff, w, x, y, z;
static long chk, scf, dsz, fofchk, num, den, mag, spl, lpp, mxh, mxv;
static int pagnum, pag1, paganz, i, k;
static ushort s, mst, mpn;
static char dviori;
static uchar o, j, post, fini, started, below;
static void initbitrev() { uchar b, i, j, k, m, n;
for (m = 0; m <= 3; m++) { n=m;
#ifdef DJCOLOUR
n=3;
#endif
for (i = 0; i <= maxink; i++) {
for (j = 0; j <= 3; j++) { b = 0;
for (k = 0; k <= 3; k++) {
if (maskmat[n][j][k] <= i) b |= maskmat[4][0][k];
} maskb[i][m][j] = b; } } }
bitrev[0] = 0; m = 0x80; n = 1;
while (m) { /* put bits into reverse order within a byte */
for (j = 0; j < n; j++) bitrev[j + n] = bitrev[j] | m;
n += n; m >>= 1;
} }
static void tfmdef() { short ll, lh, bc, ec, nw, nh, nd, i;
uchar b1, b2, b3; short FORLIM;
fontdesc *WITH = fontvect[fontint];
sprintf(STR, "%s%s.tfm", tfmprefix, FONAM);
fprintf(prot, "trying %s instead", STR);
fofil = fopen(STR, "rb");
if (fofil==0) { fprintf(prot, " - absent as well :-(\n"); return; }
ll = fofint(2); lh = fofint(2); bc = fofint(2); ec = fofint(2);
nw = fofint(2); nh = fofint(2); nd = fofint(2); fseek(fofil, 0L, 2);
if (ll * 4 > ftell(fofil) || ll < lh + ec - bc + nw + nh + nd + 7) {
fprintf(prot, " - not a TFMfile !\n"); fclose(fofil); return;
}
WITH->mch = ec;
Tptr( WITH->chv = (chdesc *)calloc(WITH->mch + 1, sizeof(chdesc)) );
fseek(fofil, 24L, 0); fofchk = fofint(4);
if (chk != 0) if (fofchk != 0) if (chk != fofchk)
fprintf(prot, " *+* wrong checksum *+* ");
fseek(fofil, (lh + ec - bc + 7L) * 4, 0);
FORLIM = nw + nh + nd;
for (i = 0; i < FORLIM; i++)
WITH->chv[i].U2.dum1 = scaled(fofint(4), scf);
fseek(fofil, lh * 4L + 24, 0);
for (i = bc; i <= ec; i++) {
b1 = fofbyte(); b2 = fofbyte(); fofbyte(); fofbyte();
WITH->chv[i].U1.tfw = WITH->chv[b1].U2.dum1;
WITH->chv[i].U2.tfh = WITH->chv[nw + (b2 >> 4)].U2.dum1;
WITH->chv[i].U2.tfd = WITH->chv[nw + nh + (b2 & 15)].U2.dum1;
}
fclose(fofil); WITH->fty = 1; fprintf(prot, " - TFMfile OK\n");
}
static void tfmchar() { short hr, vr, br, ar; uchar li, re, ob, un;
chdesc *WITH = &fontvect[fontint]->chv[c];
switch (dviori) {
case 0:
hr = (long)(conv * h + 0.5);
vr = (long)(vconv * (v - WITH->U2.tfh) + 0.5);
br = (long)(conv * (h + WITH->U1.tfw) + 0.5);
ar = (long)(vconv * (v + WITH->U2.tfd) + 0.5);
break;
case 1:
hr = (long)(conv * (landx + v - WITH->U2.tfh) + 0.5);
vr = (long)(vconv * (landy - h - WITH->U1.tfw) + 0.5);
br = (long)(conv * (landx + v + WITH->U2.tfd) + 0.5);
ar = (long)(vconv * (landy - h) + 0.5);
break;
case 3:
hr = (long)(conv * (landx - v - WITH->U2.tfd) + 0.5);
vr = (long)(vconv * (landy + h) + 0.5);
br = (long)(conv * (landx - v + WITH->U2.tfh) + 0.5);
ar = (long)(vconv * (landy + h + WITH->U1.tfw) + 0.5);
break;
case 2:
hr = (long)(conv * (landx - h - WITH->U1.tfw) + 0.5);
vr = (long)(vconv * (landy - v - WITH->U2.tfd) + 0.5);
br = (long)(conv * (landx - h) + 0.5);
ar = (long)(vconv * (landy - v + WITH->U2.tfh) + 0.5);
break;
}
li = 1; re = 1; ob = 1; un = 1;
if (hr < 0) { hr = 0; li = 0; }
if (br > xmax) { br = xmax; re = 0; }
vr -= zilli; ar -= zilli;
if (vr < 0) { vr = 0; ob = 0; }
if (ar > ymax) { ar = ymax; un = 0; below = 1; }
if (hr > br) return;
if (vr > ar) return;
if (ob) setrect(hr, vr, br, vr);
if (li) setrect(hr, vr, hr, ar);
if (un) setrect(hr, ar, br, ar);
if (re) setrect(br, vr, br, ar);
}
static ushort pkpos;
static uchar pkn1() { uchar Result;
Result = achm[pkpos]; pkpos++; return Result;
}
static short pki1() { short b;
b = pkn1(); if (b > 127) b -= 256; return b;
}
static short pkn2() { short b;
b = pkn1(); return (b * 256 + pkn1());
}
static short pki2() { short b;
b = pkn1(); if (b > 127) b -= 256;
return (b * 256 + pkn1());
}
static long pkn3() { long b; short c;
b = pkn1(); c = pkn1();
return ((b * 256 + c) * 256 + pkn1());
}
static long pki3() { long b;
b = pki1(); return (b * 65536L + pkn2());
}
static long pki4() { long b;
b = pki2(); return (b * 65536L + pkn2());
}
static void pkdef() { long a, l; ushort d; uchar b, bb;
uchar terminate; short i, j, c; fontdesc *WITH; chdesc *WITH1;
WITH = fontvect[fontint]; sprintf(STR, "%spk", FOFUL);
fprintf(prot,"preparing font %ld: %s", f, STR);
if( (fofil = fopen(STR, "rb"))==0) {
fprintf(prot," not found :-(\n");
sprintf(STR, "%spk", FOLOC);
fprintf(prot,"preparing font %ld: %s", f, STR);
fofil = fopen(STR, "rb");
}
if (fofil==0) { WITH->mch = -1;
fprintf(prot, " - file not found !\n"); return;
}
if ((fgetc(fofil)!=0xf7)||(fgetc(fofil)!=0x59)){ WITH->mch = -1;
fprintf(prot, " - not a PKfile !\n"); fclose(fofil); return;
} else {
fseek(fofil, 0L, 2); WITH->danf = ftell(fofil);
if (WITH->danf > 65520L) { WITH->mch = -1; fclose(fofil);
fprintf(prot, " - too big for this driver\n"); return;
} else {
Tptr( WITH->chv = (chdesc *)calloc(256, sizeof(chdesc)) );
Tptr( achm = (uchar *)malloc(WITH->danf) );
fseek(fofil, 0L, 0); fread(achm, WITH->danf, 1, fofil);
fclose(fofil); WITH->mch = -1; pkpos = 0; terminate = 0;
do { b = pkn1();
if (b >= 240) {
switch (b) {
case 240: case 241: case 242: case 243: l = 0;
for (i = 240; i <= b; i++) l = (l << 8) + pkn1();
pkpos += l; break;
case 244: pkpos += 4; break;
case 245: terminate = 1; break;
case 246: break;
case 247: b = pkn1(); i = pkn1();
pkpos += i + 4; fofchk = pki4();
if (chk != 0) if (fofchk != 0) if (chk != fofchk)
fprintf(prot, " *+* wrong checksum *+* ");
pkpos += 8; break;
case 248: case 249: case 250: case 251:
case 252: case 253: case 254: case 255: break;
}
} else { d = pkpos - 1; bb = b & 7;
switch (bb) {
case 0: case 1: case 2: case 3:
l = bb * 256 + pkn1() - 8; c = pkn1(); break;
case 4: case 5: case 6: l = bb - 4;
l = (l << 16) + pkn2() - 13; c = pkn1(); break;
case 7: l = pki4() - 28; c = pki4(); break;
}
WITH1 = &WITH->chv[c];
switch (bb) {
case 0: case 1: case 2: case 3:
WITH1->U1.tfw = scaled(pkn3(), scf); pkn1();
WITH1->U1.wid = pkn1(); WITH1->U1.hei = pkn1();
WITH1->U1.hof = pki1(); WITH1->U1.vof = pki1(); break;
case 4: case 5: case 6:
WITH1->U1.tfw = scaled(pkn3(), scf); pkn2();
WITH1->U1.wid = pkn2(); WITH1->U1.hei = pkn2();
WITH1->U1.hof = pki2(); WITH1->U1.vof = pki2(); break;
case 7:
WITH1->U1.tfw = scaled(pki4(), scf); pki4(); pki4();
WITH1->U1.wid = pki4(); WITH1->U1.hei = pki4();
WITH1->U1.hof = pki4(); WITH1->U1.vof = pki4(); break;
}
pkpos += l;
if ((unsigned)c <= 255) {
if (WITH->mch < c) WITH->mch = c;
WITH->chv[c].U1.bmp = d;
} } } while (!terminate); free(achm);
if (WITH->mch < 0) fprintf(prot, " - PKfile in error !\n");
else fprintf(prot, " - available\n");
WITH->chv = (chdesc *) realloc(WITH->chv, 16*(WITH->mch + 1));
Tptr( WITH->fonam = (char *) malloc(strlen(STR)+1) );
strcpy(WITH->fonam, STR);
} } }
static struct { short xs, x, wid1; short ii, j;
uchar dd, db; ushort d; uchar white; uchar buf[xmb + 1];
uchar bmerk; long repc, count; short dynf, dyng, dynh;
} Lpkc;
static uchar pknib() { uchar Result;
if (Lpkc.bmerk != 0) {
Result = Lpkc.bmerk & 0xf; Lpkc.bmerk = 0; return Result;
}
Lpkc.bmerk = pkn1(); Result = Lpkc.bmerk >> 4;
Lpkc.bmerk |= 0xf0; return Result;
}
static long pknum() { uchar i, j, k; long n;
k = 1;
do { i = pknib(); k++;
if (i == 0) {
do { j = pknib(); i++; } while (j == 0);
n = j;
while (i > 0) { i--; n = (n << 4) + pknib(); }
n += Lpkc.dyng;
} else if (i <= Lpkc.dynf) n = i;
else if (i < 14) n = (i << 4) + pknib() + Lpkc.dynh;
else if (i == 14) k = 0;
else { k = 1; n = 1; }
if (k == 1) Lpkc.repc = n;
} while (k != 2); return n;
}
static void pkline() {
if (Lpkc.dynf == 14) {
Lpkc.j = Lpkc.wid1 + Lpkc.xs;
Lpkc.db += Lpkc.xs;
do {
if (Lpkc.db < 8) Lpkc.d = (Lpkc.d << 8) | pkn1();
else Lpkc.db -= 8;
Lpkc.dd = (Lpkc.d >> Lpkc.db) & 255;
if (Lpkc.j >= 8) { Lpkc.j -= 8; Lpkc.buf[Lpkc.x] = Lpkc.dd;
} else { Lpkc.db += 8 - Lpkc.j;
Lpkc.buf[Lpkc.x] = Lpkc.dd & (0xff00L >> Lpkc.j) & 255;
Lpkc.j = 0;
} Lpkc.x++;
} while (Lpkc.j != 0);
Lpkc.d &= 0xffffL >> (16 - Lpkc.db); return;
}
Lpkc.ii = 0; Lpkc.j = Lpkc.wid1; Lpkc.db = 8 - Lpkc.xs; Lpkc.d = 0;
if (Lpkc.repc > 0) { Lpkc.repc--; return; }
while (Lpkc.j > 0) {
if (Lpkc.count == 0) { Lpkc.count = pknum(); Lpkc.white = !Lpkc.white; }
Lpkc.dd = Lpkc.db;
if (Lpkc.dd > Lpkc.j) Lpkc.dd = Lpkc.j;
if (Lpkc.dd > Lpkc.count) Lpkc.dd = Lpkc.count;
if (Lpkc.white) Lpkc.db -= Lpkc.dd;
else { Lpkc.d += 1 << Lpkc.db;
Lpkc.db -= Lpkc.dd; Lpkc.d -= 1 << Lpkc.db;
}
Lpkc.count -= Lpkc.dd; Lpkc.j -= Lpkc.dd;
if (Lpkc.db == 0 || Lpkc.j == 0) {
Lpkc.buf[Lpkc.x] = Lpkc.d & 255;
Lpkc.x++; Lpkc.d = 0; Lpkc.db = 8;
} } }
static void pkchar() { short hr, vr; long bma, bmx;
short x1, x2, x3, y1, y2, y; uchar b, bb, mach, mac, mpm, bach;
fontdesc *WITH; chdesc *WITH1;
WITH = fontvect[fontint]; WITH1 = &WITH->chv[c];
pkpos = WITH1->U1.bmp; b = pkn1();
Lpkc.white = ((b & 8) == 0); Lpkc.wid1 = WITH1->U1.wid;
Lpkc.dynf = b >> 4;
Lpkc.dyng = (13 - Lpkc.dynf) * 16 + Lpkc.dynf - 15;
Lpkc.dynh = -(Lpkc.dynf + 1) * 15; bb = b & 7;
switch (bb) {
case 0: case 1: case 2: case 3: pkpos += 10; break;
case 4: case 5: case 6: pkpos += 16; break;
case 7: pkpos += 36; break;
}
Lpkc.bmerk = 0; Lpkc.d = 0; Lpkc.db = 0; Lpkc.repc = 0;
Lpkc.count = 0; Lpkc.white = !Lpkc.white;
switch (dviori) {
case 0:
hr = (long)(conv * h + 0.5) - WITH1->U1.hof;
vr = (long)(vconv * v + 0.5) - WITH1->U1.vof - zilli;
if (vr > ymax) below = 1; else {
if (vr + WITH1->U1.hei >= 1) {
x1 = hr / 8; x2 = (hr + WITH1->U1.wid - 1) / 8;
Lpkc.xs = hr & 7; y2 = vr + WITH1->U1.hei - 1;
if (y2 > ymax) { y2 = ymax; below = 1; }
if (0 <= x1) {
if (x2 <= xmb) {
for (y = vr; y <= y2; y++) {
Lpkc.x = x1; pkline();
if (y >= 0) {
for (Lpkc.x = x1; Lpkc.x <= x2; Lpkc.x++)
pixet(y, Lpkc.x, Lpkc.buf[Lpkc.x]);
} } } } } } break;
case 1:
hr = (long)(conv * (landx + v) + 0.5) - WITH1->U1.vof;
vr = (long)(vconv * (landy - h) + 0.5) + WITH1->U1.hof - zilli;
if (vr - WITH1->U1.wid + 1 > ymax) below = 1; else {
if (vr >= 0) { Lpkc.xs = 0; mac = 0x80; bma = 0; y1 = vr;
if (y1 > ymax) { below = 1; bma += ((ulong)(y1 - ymax)) >> 3;
mac = 0x80 >> ((y1 - ymax) & 7); y1 = ymax;
}
y2 = vr - WITH1->U1.wid + 1; if (y2 < 0) y2 = 0;
x2 = hr + WITH1->U1.hei - 1; if (x2 > xmax) x2 = xmax;
for (x3 = hr; x3 <= x2; x3++) {
Lpkc.x = 0; pkline();
if (x3 >= 0) {
mach = mac; Lpkc.x = ((unsigned)x3) >> 3;
mpm = 0x80 >> (x3 & 7); bmx = bma; bach = Lpkc.buf[bmx];
for (y = y1; y >= y2; y--) {
if ((bach & mach) != 0) pixet(y, Lpkc.x, mpm);
mach >>= 1;
if (mach == 0) {
mach = 0x80; bmx++; bach = Lpkc.buf[bmx];
} } } } } } break;
case 3:
hr = (long)(conv * (landx - v) + 0.5) + WITH1->U1.vof;
vr = (long)(vconv * (landy + h) + 0.5) - WITH1->U1.hof - zilli;
if (vr > ymax) below = 1; else {
if (vr + WITH1->U1.wid >= 1) {
Lpkc.xs = 0; mac = 0x80; bma = 0; y1 = vr;
if (y1 < 0) { bma += ((unsigned)(-y1)) >> 3;
mac = 0x80 >> ((-y1) & 7); y1 = 0;
}
y2 = vr + WITH1->U1.wid - 1;
if (y2 > ymax) { y2 = ymax; below = 1; }
x2 = hr - WITH1->U1.hei + 1; if (x2 < 0) x2 = 0;
for (x3 = hr; x3 >= x2; x3--) {
Lpkc.x = 0; pkline();
if (x3 <= xmax) {
mach = mac; Lpkc.x = ((unsigned)x3) >> 3;
mpm = 0x80 >> (x3 & 7); bmx = bma; bach = Lpkc.buf[bmx];
for (y = y1; y <= y2; y++) {
if ((bach & mach) != 0) pixet(y, Lpkc.x, mpm);
mach >>= 1;
if (mach == 0) {
mach = 0x80; bmx++; bach = Lpkc.buf[bmx];
} } } } } } break;
case 2:
hr = (long)(conv * (landx - h) + 0.5) + WITH1->U1.hof;
vr = (long)(vconv * (landy - v) + 0.5) + WITH1->U1.vof - zilli;
if (vr - WITH1->U1.hei + 1 > ymax) below = 1; else {
if (vr >= 0) {
x1 = hr / 8; x2 = (hr - WITH1->U1.wid + 1) / 8;
Lpkc.xs = (7 - hr) & 7; y2 = vr - WITH1->U1.hei + 1;
if (y2 < 0) y2 = 0;
if (vr > ymax) below = 1;
if (0 <= x2) {
if (x1 <= xmb) {
for (y = vr; y >= y2; y--) {
Lpkc.x = xmb - x1; pkline();
if (y <= ymax) {
for (Lpkc.x = x1; Lpkc.x >= x2; Lpkc.x--)
pixet(y, Lpkc.x, bitrev[Lpkc.buf[xmb - Lpkc.x]]);
} } } } } } break;
} }
static void fontdef() { uchar a, b, p, q; fontdesc *WITH;
if (f < 0) baddvi("negative fontnumber");
b = f & 0xff; a = 0;
if ((f > 255) || (fontvect[b] != NULL)) do {
if (fontvect[a] == NULL) b = a;
else if (fontvect[a]->dfn == f) baddvi("double fontnumber");
a++;
} while (a);
if (fontvect[b] != NULL) baddvi("too many fonts");
fontint = b;
Tptr( fontvect[b] = (fontdesc *)malloc(sizeof(fontdesc)) );
WITH = fontvect[fontint]; WITH->dfn = f;
chk = dvinum(4); scf = dvinum(4); dsz = dvinum(4);
WITH->chm = NULL; WITH->fty = -1;
p = dvibyte(); q = dvibyte(); dvibytes(FONAM, q);
if (p == 0) strcpy(FOPRE, fontprefix); else dvibytes(FOPRE, p);
sprintf(FOMAG, "%ld",
(long)(xres * dvimag / 1000.0 * ((double)scf / dsz) + 0.5));
#ifdef __MSDOS__
sprintf(FOFUL, "%s%s\\%s.", FOPRE, FOMAG, FONAM);
sprintf(FOLOC, "%s.", FONAM);
#else
sprintf(FOFUL, "%s%s.%s", FOPRE, FONAM, FOMAG);
sprintf(FOLOC, "%s.%s", FONAM, FOMAG);
#endif
pkdef(); if (WITH->mch < 0) tfmdef();
}
static void fontlod() { uchar b = 0;
fontdesc *WITH = fontvect[fontint];
WITH->chm = (uchar *)malloc(WITH->danf);
if (WITH->chm == NULL) { do {
if (fontvect[b] != NULL) {
if (fontvect[b]->chm) free(fontvect[b]->chm);
fontvect[b]->chm = NULL;
} b++;
} while (b);
Tptr( WITH->chm = (uchar *)malloc(WITH->danf) );
}
fofil = fopen(WITH->fonam, "rb");
fread(WITH->chm, WITH->danf, 1, fofil); fclose(fofil);
}
static void fontset() { uchar a, b, x;
b = f & 0xff; x = 0;
if (fontvect[b] != NULL) if (fontvect[b]->dfn == f) x = 1;
if (x == 0) { a = 0;
do {
if (fontvect[a] == NULL) a++;
else if (fontvect[a]->dfn != f) a++;
else { x = 1; b = a; a = 0; }
} while (a != 0);
}
if (x == 0) baddvi("undefined fontnumber");
fontint = b;
}
static void putrule() { short hr, vr, br, ar;
if (b <= 0) return;
switch (dviori) {
case 0:
hr = (long)(conv * h + 0.5);
vr = (long)(vconv * (v - a) + 0.5);
br = (long)(conv * b + 0.5); if (br > 0) br--;
ar = (long)(vconv * a + 0.5);
break;
case 1:
hr = (long)(conv * (landx + v - a) + 0.5);
vr = (long)(vconv * (landy - h - b) + 0.5);
br = (long)(conv * a + 0.5);
ar = (long)(vconv * b + 0.5); if (ar > 0) ar--;
break;
case 3:
hr = (long)(conv * (landx - v) + 0.5);
vr = (long)(vconv * (landy + h) + 0.5);
br = (long)(conv * a + 0.5);
ar = (long)(vconv * b + 0.5); if (ar > 0) ar--;
break;
case 2:
hr = (long)(conv * (landx - h - b) + 0.5);
vr = (long)(vconv * (landy - v) + 0.5);
br = (long)(conv * b + 0.5); if (br > 0) br--;
ar = (long)(vconv * a + 0.5);
break;
}
vr -= zilli; ar += vr; br += hr;
if (hr < 0) hr = 0;
if (br > xmax) br = xmax;
if (vr < 0) vr = 0;
if (ar > ymax) { ar = ymax; below = 1; }
if (hr <= br) if (vr <= ar) setrect(hr, vr, br, ar);
}
static void putchar_() { fontdesc *WITH; chdesc *WITH1;
WITH = fontvect[fontint];
if (c > WITH->mch) { q = 0; return; }
WITH1 = &WITH->chv[c]; q = WITH1->U1.tfw;
if (WITH->fty == 1) { tfmchar(); return; }
if (WITH1->U1.bmp == 0) return;
if (WITH->chm == NULL) fontlod();
achm = WITH->chm; pkchar();
}
static void clrpxlmem() { short i; below = 0;
for (i = 0; i <= ymax; i++)
memset((ptr)pxlmem[i], 0, (xmb+1)*sizeof(colpix));
}
static void pagebeg() { uchar j; greydesc *WITH;
for (j = 0; j <= 9; j++) cnt[j] = dvinum(4);
lpp = dvinum(4); pagnum++;
if (pagnum >= pag1) { started = 1; fprintf(prot, "[%d", pagnum); }
s = 0; w = 0; x = 0; y = 0; z = 0; zilli = 0; lz = 0; zoll = zoll0;
for (j = 0; j <= 7; j++) { WITH = &greymask[j]; WITH->maskc = 0;
WITH->maskm = 0; WITH->masky = 0; WITH->maskk = 0xff;
}
zoelli = ftell(dvifile); zoelli += (long)dvibufp - (long)dvibufe;
h = (long)((xres - hoff) / conv + 0.5);
v = (long)((yres - voff) / vconv + 0.5);
clrpxlmem();
}
static void pageend() {
if (s != 0) fprintf(prot, "Stack not empty at EOP\n");
if (!started) return;
hardcopy(); /* fprintf(prot, "/%d", (short)zoll); */
if (zoll > 0 && below) { zoll--; dviposit(zoelli);
s = 0; w = 0; x = 0; y = 0; z = 0; zilli += ymax + 1;
h = (long)((xres - hoff) / conv + 0.5);
v = (long)((yres - voff) / vconv + 0.5);
clrpxlmem(); return;
}
hardform(); fprintf(prot, "]");
paganz--; if (paganz <= 0) fini = 1;
}
static void deffont() { ushort l, m;
if (!post) { fontdef(); return; }
dviskip(12L); l = dvibyte(); m = dvibyte(); dviskip((long)(l + m));
}
static void special() { long i, j, k; char *parm;
double x, y, cy, ma, ye, bl; short cle, m, n;
if (spl > 255) { fprintf(prot, "special >>");
for (i = spl; i > 0; i--) fputc(dvibyte(), prot);
fprintf(prot, "<< ignored\n"); return;
}
dvibytes(comment, (int)spl);
if (!memcmp(comment, "landend", 7)) { dviori = 0; return; }
if (!memcmp(comment, "landstart", 9)) {
if (comment[10] == '1') dviori = 1;
else if (comment[10] == '0') dviori = 3;
else dviori = 2;
sscanf(comment+12, "%lg%lg", &x,&y);
j = (long)(x * 65535L + 0.5);
k = (long)(y * 65535L + 0.5);
switch (dviori) {
case 1: landx = h - v; landy = v + j + h; break;
case 3: landx = h + k + v; landy = v - h; break;
case 2: landx = h + h + k; landy = v + j + v; break;
} return; }
if (memcmp(comment, "color", 5)) {
fprintf(prot, "special >>%s<< ignored", comment); return;
}
parm = comment+6;
if (!memcmp(parm, "pop", 3)) { parm +=4; colst--;
if (colst < 0) { colst = 0; fprintf(prot, " color stack underflow"); }
} else {
if (!memcmp(parm, "push cmyk", 9)) { parm +=10; colst++;
if (colst > smax-1) { colst = smax-1;
fprintf(prot, " color stack overflow");
} }
if (sscanf(parm,"%lg%lg%lg%lg",&cy,&ma,&ye,&bl)<4) {
fprintf(prot," color: cmyk values <%s> incomplete ",comment); return;
}
n = (long)(cy * maxink); if (n < 0) n = 0;
if (n > maxink) n = maxink; stackcy[colst] = n;
n = (long)(ma * maxink); if (n < 0) n = 0;
if (n > maxink) n = maxink; stackma[colst] = n;
n = (long)(ye * maxink); if (n < 0) n = 0;
if (n > maxink) n = maxink; stackye[colst] = n;
n = (long)(bl * maxink); if (n < 0) n = 0;
if (n > maxink) n = maxink; stackbl[colst] = n;
}
n = stackcy[colst]; cle = n;
for (m = 0; m <= 7; m++) greymask[m].maskc = maskb[n][0][m & 3];
n = stackma[colst]; cle += n;
for (m = 0; m <= 7; m++) greymask[m].maskm = maskb[n][1][m & 3];
n = stackye[colst]; cle += n;
for (m = 0; m <= 7; m++) greymask[m].masky = maskb[n][2][m & 3];
n = stackbl[colst]; cle += n;
for (m = 0; m <= 7; m++) greymask[m].maskk = maskb[n][3][m & 3];
clearing = (cle == 0);
}
static void preambl() { uchar l;
l = dvibyte(); num = dvinum(4); den = dvinum(4);
dvimag = dvinum(4); if (newmag != 0) dvimag = newmag;
conv = num / 254000.0 * ((double)xres / den) * (dvimag / 1000.0);
vconv = num / 254000.0 * ((double)yres / den) * (dvimag / 1000.0);
l = dvibyte(); dvibytes(comment, l); fprintf(prot, "%s\n", comment);
}
static void postamb() {
lpp = dvinum(4); num = dvinum(4); den = dvinum(4);
dvimag = dvinum(4); if (newmag != 0) dvimag = newmag;
conv = num / 254000.0 * ((double)xres / den) * (dvimag / 1000.0);
vconv = num / 254000.0 * ((double)yres / den) * (dvimag / 1000.0);
mxv = dvinum(4); mxh = dvinum(4); mst = dvinum(2); mpn = dvinum(2);
}
main(int argc, char **argv) { char *parm;
post = 0; fini = 0; started = 0; dviori = 0; pagnum = 0;
pag1 = 1; paganz = 9999; newmag = 0; q = 0; hoff = 78; voff = 156;
for (i = 0; i <= ymax; i++) {
Tptr( pxlmem[i] = (colpix *) malloc((xmb+1)*sizeof(colpix)) );
}
Tptr( fontvect = (fontdesc **) calloc(256, 4) );
initbitrev(); colst = 0;
stackcy[colst] = 0; stackma[colst] = 0;
stackye[colst] = 0; stackbl[colst] = maxink;
fprintf(prot, "This is the HP Deskjet 550 Color TeX driver, V 94.01 .\n");
fprintf(prot, "(C)opyright 1994 Wolfgang R. Mueller, Computing Centre,\n");
fprintf(prot, "Heinrich-Heine-University Duesseldorf, Germany\n");
if (argc == 1) {
fprintf(prot, "Please use with dvifilename and optional parameters\n");
fprintf(prot, " -s<starting page> (default: 1 i.e. first in file)\n");
fprintf(prot, " -c<number of pages> (default: 9999 i.e. all)\n");
fprintf(prot, " -m<new magnification> (default: from DVIfile)\n");
fprintf(prot, " -h<horizontal offset> (default: %ld (pixels)\n", hoff);
fprintf(prot, " -v<vertical offset> (default: %ld (pixels)\n", voff);
fprintf(prot, " -f<font directory> (default: %s)\n", fontprefix);
fprintf(prot, " -t<TFMfile directory> (default: %s)\n", tfmprefix);
fprintf(prot, " -o<outfile> (default: %s)\n", prfnam);
fprintf(prot, " prn for <outfile> goes directly to printer port,\n");
fprintf(prot, " empty <outfile> part is replaced by <DVIfile>.pcl\n");
exit(0);
}
strcpy(dviname, "texput");
for (j = 1; j < argc; j++) { parm = argv[j];
if (parm[0] != '-') { strcpy(dviname, parm);
} else { switch (parm[1]) {
case 's': case 'S': sscanf(parm+2, "%d", &pag1); break;
case 'c': case 'C': sscanf(parm+2, "%d", &paganz); break;
case 'f': case 'F': strcpy(fontprefix, parm+2); break;
case 't': case 'T': strcpy(tfmprefix, parm+2); break;
case 'm': case 'M': sscanf(parm+2, "%ld", &newmag); break;
case 'h': case 'H': sscanf(parm+2, "%ld", &hoff); break;
case 'v': case 'V': sscanf(parm+2, "%ld", &voff); break;
case 'o': case 'O': strcpy(prfnam, parm+2); break;
} } }
strcpy(defnam, dviname); prfeval(); dviopen(); postamb();
do { o = dvibyte(); /* fprintf(prot, "(%u)", (ushort)o); */
switch (o) {
case 128: case 129: case 130: case 131:
c = dvinum(o - 127); if (started) putchar_(); h += q; break;
case 132: a = dviint(4); b = dviint(4);
if (started) putrule(); h += b; break;
case 133: case 134: case 135: case 136:
c = dvinum(o - 132); if (started) putchar_(); break;
case 137: a = dviint(4); b = dviint(4);
if (started) putrule(); break;
case 138: break;
case 139: pagebeg(); break;
case 140: pageend(); break;
case 141: if (s < smax) { s++; hs[s - 1] = h; vs[s - 1] = v;
ws[s - 1] = w; xs[s - 1] = x; ys[s - 1] = y; zs[s - 1] = z;
} else baddvi("stack overflow"); break;
case 142: if (s > 0) { h = hs[s - 1]; v = vs[s - 1];
w = ws[s - 1]; x = xs[s - 1]; y = ys[s - 1]; z = zs[s - 1]; s--;
} else baddvi("stack underflow"); break;
case 143: case 144: case 145: case 146:
h += dviint(o - 142); break;
case 147: h += w; break;
case 148: case 149: case 150: case 151:
w = dviint(o - 147); h += w; break;
case 152: h += x; break;
case 153: case 154: case 155: case 156:
x = dviint(o - 152); h += x; break;
case 157: case 158: case 159: case 160:
v += dviint(o - 156); break;
case 161: v += y; break;
case 162: case 163: case 164: case 165:
y = dviint(o - 161); v += y; break;
case 166: v += z; break;
case 167: case 168: case 169: case 170:
z = dviint(o - 166); v += z; break;
case 235: case 236: case 237: case 238:
f = dvinum(o - 234); if (started) fontset(); break;
case 239: case 240: case 241: case 242:
spl = dvinum(o - 238); special(); break;
case 243: case 244: case 245: case 246:
f = dvinum(o - 242); deffont(); break;
case 247: preambl(); break;
case 248: fini = 1; break;
case 249: dviposit(0L); post = 1; break;
case 250: case 251: case 252:
case 253: case 254: case 255: break;
default:
if (o <= 127) {
c = o; if (started) putchar_(); h += q;
} else if (o >= 171 && o <= 234) {
f = o - 171; if (started) fontset();
} break; } } while (!fini);
fprintf(prot,"\n"); prclos(); fclose(dvifile); exit(0);
}