From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- dviware/dvidjc/turbo-c/dvidjc.c | 995 +++++++++++++++++++++++++++++ dviware/dvidjc/turbo-c/dvivgac.c | 1231 ++++++++++++++++++++++++++++++++++++ dviware/dvidjc/turbo-c/maketcc.bat | 3 + dviware/dvidjc/turbo-c/makevga.bat | 2 + 4 files changed, 2231 insertions(+) create mode 100644 dviware/dvidjc/turbo-c/dvidjc.c create mode 100644 dviware/dvidjc/turbo-c/dvivgac.c create mode 100644 dviware/dvidjc/turbo-c/maketcc.bat create mode 100644 dviware/dvidjc/turbo-c/makevga.bat (limited to 'dviware/dvidjc/turbo-c') diff --git a/dviware/dvidjc/turbo-c/dvidjc.c b/dviware/dvidjc/turbo-c/dvidjc.c new file mode 100644 index 0000000000..e0a6f62a5f --- /dev/null +++ b/dviware/dvidjc/turbo-c/dvidjc.c @@ -0,0 +1,995 @@ +/* (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 + +#ifdef __MSDOS__ + #ifdef __TURBOC__ + #include + #else + #include + #endif +#endif + +#ifdef __TURBOC__ + #include + #include + #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); + if(prbe==2048) 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); + 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", (int)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 (default: 1 i.e. first in file)\n"); + fprintf(prot, " -c (default: 9999 i.e. all)\n"); + fprintf(prot, " -m (default: from DVIfile)\n"); + fprintf(prot, " -h (default: %ld (pixels)\n", hoff); + fprintf(prot, " -v (default: %ld (pixels)\n", voff); + fprintf(prot, " -f (default: %s)\n", fontprefix); + fprintf(prot, " -t (default: %s)\n", tfmprefix); + fprintf(prot, " -o (default: %s)\n", prfnam); + fprintf(prot, " prn for goes directly to printer port,\n"); + fprintf(prot, " empty part is replaced by .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); + prclos(); fclose(dvifile); exit(0); +} + \ No newline at end of file diff --git a/dviware/dvidjc/turbo-c/dvivgac.c b/dviware/dvidjc/turbo-c/dvivgac.c new file mode 100644 index 0000000000..77504304dc --- /dev/null +++ b/dviware/dvidjc/turbo-c/dvivgac.c @@ -0,0 +1,1231 @@ +/* This is the color TeX previewer DVIVGA */ +/* (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 */ + +#include +#ifdef __TURBOC__ + #include + #include + #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 maxink 16 +#define inkshift 4 /* maxink == 1<maskc); + if (clearing) *(wo +40) &= ~b; else *(wo +40) |= (b & WITH1->maskm); + if (clearing) *(wo +80) &= ~b; else *(wo +80) |= (b & WITH1->masky); +} +static void paxet(y, x, b) ushort y, x; uchar b; { + uchar *wo = pxlmem[y] + x; + if (clearing) *wo = (*wo * (64 - b)) >> 6; + else *wo += ((ushort)b * darkfac) >> inkshift; +} +static ushort vertfac=7; +static void verteil(x, w, y, h, xp, yp, zp) + ushort x, w, y, h, *xp, *yp, *zp; { + ushort xp1, yp1, zp1, xp2, yp2, zp2, wh, tau; ushort b; + if (w + h > 2) { + if (w > h) { wh = w >> 1; + verteil(x, wh, y, h, &xp1, &yp1, &zp1); + verteil(x + wh, w - wh, y, h, &xp2, &yp2, &zp2); + } else { wh = h >> 1; + verteil(x, w, y, wh, &xp1, &yp1, &zp1); + verteil(x, w, y + wh, h - wh, &xp2, &yp2, &zp2); + } + if (zp2 > zp1) { + tau = xp1; xp1 = xp2; xp2 = tau; tau = yp1; yp1 = yp2; yp2 = tau; + } *zp = zp1 + zp2; + if (*zp < 64) { *xp = xp1; *yp = yp1; return; } + pxlmem[xp1][yp1] += 1; *zp -= 64; *xp = xp2; *yp = yp2; return; + } + *xp = x; *yp = y; b = pxlmem[x][y]; if(b>64) b=64; b*=vertfac; + pxlmem[x][y] = b >> 6; *zp = b & 63; +} +#ifdef __TURBOC__ +#include +#include +#include +#define BIOI 0x10 +static uchar *vgamem=(uchar *)0xa0000000; +static ushort savemode; +static void dispinit() { uchar ret, *p; short i; + _AX = 0x0f00; geninterrupt(BIOI); ret=_AL; savemode=ret; + _AX = 0x1a00; geninterrupt(BIOI); ret=_AL; + if(ret != 0x1a) { fprintf(prot, "Only VGA supported !\n"); exit(1); } + initpxmem(); vgamem+=80*(480-ym-1); +} +static void dispopen() { ushort i; uchar *p; + /*while(!kbhit()) ;*/ + if (alles) { xmax = xm * 8 + 7; ymax = ym * 8 + 7; } + else { xmb = xm >> 3; xmax = xm; ymax = ym; } + clrpxlmem(); if (alles < 3) return; + _AX = 0x12; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0000; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0101; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0202; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0303; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0404; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0505; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0606; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0707; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0708; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x0709; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070a; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070b; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070c; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070d; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070e; geninterrupt(BIOI); + _AX = 0x1000; _BX = 0x070f; geninterrupt(BIOI); + if (vertfac == 7) { + _AX = 0x1010; _BX = 0x0000; _CX = 0x3f3f; _DH = 0x3f; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0001; _CX = 0x3636; _DH = 0x36; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0002; _CX = 0x2d2d; _DH = 0x2d; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0003; _CX = 0x2424; _DH = 0x24; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0004; _CX = 0x1b1b; _DH = 0x1b; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0005; _CX = 0x1212; _DH = 0x12; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0006; _CX = 0x0909; _DH = 0x09; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0007; _CX = 0x0000; _DH = 0x00; geninterrupt(BIOI); + } else { + _AX = 0x1010; _BX = 0x0000; _CX = 0x3f3f; _DH = 0x3f; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0001; _CX = 0x3f00; _DH = 0x3f; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0002; _CX = 0x3f3f; _DH = 0x00; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0003; _CX = 0x3f00; _DH = 0x00; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0004; _CX = 0x003f; _DH = 0x3f; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0005; _CX = 0x0000; _DH = 0x3f; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0006; _CX = 0x003f; _DH = 0x00; geninterrupt(BIOI); + _AX = 0x1010; _BX = 0x0007; _CX = 0x0000; _DH = 0x00; geninterrupt(BIOI); + } gotoxy(9,1); + printf("The HHU TeX colour Previewer (V 94.03) distributed by DANTE e.V."); + gotoxy(25,2); + printf("supporting \\special{color ...}"); + outportb(0x3c4,2); outportb(0x3c5,8); + for (i=0, p=vgamem+39; i<=ym; i++, p+=80) *p=0x01; + memset(vgamem-80, 0xff, 80); + gotoxy(43,4); printf("p(revious page) or backspace"); + gotoxy(43,5); printf("n(ext page) or enter or spacebar"); + gotoxy(43,6); printf("c(olour) g(rey) q(uit)"); + gotoxy(43,8); printf("Moving Magnifying Glass"); + gotoxy(43,10); printf("l(eft) r(ight) u(p) d(own)"); + gotoxy(43,11); printf(" ALT-ed: small stepsize"); + gotoxy(43,12); printf(" unshifted: medium stepsize"); + gotoxy(43,13); printf(" shifted: large stepsize"); + gotoxy(43,15); printf("cursor keys give medium,"); + gotoxy(43,16); printf("CTRL+left/right arrow large,"); + gotoxy(43,17); printf("PGUP/PGDOWN large stepsize"); + gotoxy(43,19); printf("HOME upper left corner"); + gotoxy(43,20); printf("END lower right corner"); + gotoxy(43,22); printf("Any of those keys activates"); + gotoxy(43,23); printf("the magnifying glass here."); +} +static uchar shiftab[4]={1,2,4,4}; +static void dispcopy() { ushort i, j, k; uchar b, *p, *q, l; + if (alles) { + if (vertfac == 7) { + alles = 0; + verteil(0, ym + 1, 0, xm + 1, &i, &j, &k); + for (l = 0; l < 3; l++) { + outportb(0x3c4,2); outportb(0x3c5,shiftab[l]); + for (j = 0; j <= ym; j++) { p = vgamem + j * 80; q = pxlmem[j]; + for (k = 0; k <= xm; k++) { + if ((k & 7) == 0) b = (*q & 0x01); + else { b = (b << 1) | (*q & 0x01); + if ((k & 7) == 7) *p++ = b; + } *q++ >>=1; + } } } + } else { switch (alles) { + case 3: outportb(0x3c4,2); outportb(0x3c5,2); break; + case 2: outportb(0x3c4,2); outportb(0x3c5,4); break; + case 1: outportb(0x3c4,2); outportb(0x3c5,1); break; + } alles--; + verteil(0, ym + 1, 0, xm + 1, &i, &j, &k); + for (j = 0; j <= ym; j++) { p = vgamem + j * 80; q = pxlmem[j]; + for (k = 0; k <= xm; k++) { + if ((k & 7) == 0) b = *q++; + else { b = (b << 1) | *q++; + if ((k & 7) == 7) *p++ = b; + } } } } + } else { ushort x1,x2,x,y1,y2,y; + outportb(0x3ce,4); outportb(0x3cf,3); + outportb(0x3c4,2); outportb(0x3c5,8); + x1 = (hoffa + xres) >> 3; x2 = x1 + (xm >> 3); + y1 = (voffa + yres) >> 3; y2 = y1 + (ym >> 3); + for (x=x1; x<=x2; x++) for (y=y1; y<=y2; y++) + if ((x==x1)||(x==x2)||(y==y1)||(y==y2)) + vgamem[y*80+(x>>3)] &= 0xff7f >> (x & 7); + hoffa = hoff; voffa = voff; + x1 = (hoffa + xres) >> 3; x2 = x1 + (xm >> 3); + y1 = (voffa + yres) >> 3; y2 = y1 + (ym >> 3); + for (x=x1; x<=x2; x++) for (y=y1; y<=y2; y++) + if ((x==x1)||(x==x2)||(y==y1)||(y==y2)) + vgamem[y*80+(x>>3)] |= 0x0080 >> (x & 7); + outportb(0x3c4,2); outportb(0x3c5,2); + for (j = 0, p = vgamem + 40; j <= ym; j++, p += 80) + memcpy(p, pxlmem[j] , 40); + outportb(0x3c4,2); outportb(0x3c5,4); + for (j = 0, p = vgamem + 40; j <= ym; j++, p += 80) + memcpy(p, pxlmem[j] + 40, 40); + outportb(0x3c4,2); outportb(0x3c5,1); + for (j = 0, p = vgamem + 40; j <= ym; j++, p += 80) + memcpy(p, pxlmem[j] + 80, 40); +} } + +static void dispclos() { _AX = savemode; geninterrupt(BIOI); +} +static char evalkbd() { char np=0; while (! kbhit()) ; + hoff += xres; voff += yres; + while (kbhit()) { + switch (getch()) { + case 'h': case 'H': hoff=0; voff=0; break; + case 'u': voff-=64; break; + case 'U': voff-=256; break; + case 'd': voff+=64; break; + case 'D': voff+=256; break; + case 'l': hoff-=64; break; + case 'L': hoff-=256; break; + case 'r': hoff+=64; break; + case 'R': hoff+=256; break; + case 'q': case 'Q': fini=1; break; + case 'n': case 'N': case 13: case ' ': np=1; break; + case 'p': case 'P': case 8: np=-1; break; + case 'c': vertfac=1; alles=3; break; + case 'g': vertfac=7; alles=3; break; + case 0: switch (getch()) { + case 19: hoff+=8; break; + case 22: voff-=8; break; + case 32: voff+=8; break; + case 38: hoff-=8; break; + case 71: hoff=0; voff=0; break; + case 72: voff-=64; break; + case 73: voff-=256; break; + case 75: hoff-=64; break; + case 77: hoff+=64; break; + case 79: hoff=xm << 3; voff=ym << 3; break; + case 80: voff+=64; break; + case 81: voff+=256; break; + case 115: hoff-=256; break; + case 116: hoff+=256; break; + } break; + } + } + if (hoff<0) hoff=0; if (hoff>xm*7-1) hoff=xm*7-1; hoff -= xres; + if (voff<0) voff=0; if (voff>ym*7+7) voff=ym*7+7; voff -= yres; + return(np); +} +#endif +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 void setract(xl, yl, xh, yh) ushort xl, yl, xh, yh; { + ushort xlb, xhb, ylb, yhb, x, y; uchar xf, yf; + xlb = xl >> 3; xhb = xh >> 3; ylb = yl >> 3; yhb = yh >> 3; + if (xlb == xhb) { xf = xh - xl + 1; + if (ylb == yhb) { paxet(ylb, xlb, xf * (yh - yl + 1)); } else { + paxet(ylb, xlb, xf * (8 - (yl & 7))); + paxet(yhb, xlb, xf * ((yh & 7) + 1)); + for (y = ylb + 1; y < yhb; y++) paxet(y, xlb, xf * 8); + } } else if (ylb == yhb) { yf = yh - yl + 1; + paxet(ylb, xlb, yf * (8 - (xl & 7))); + paxet(ylb, xhb, yf * ((xh & 7) + 1)); + for (x = xlb + 1; x < xhb; x++) paxet(ylb, x, yf * 8); + } else { xf = 8 - (xl & 7); + for (x = xlb; x <= xhb; x++) { + yf = 8 - (yl & 7); if (x == xhb) xf = (xh & 7) + 1; + for (y = ylb; y <= yhb; y++) { + if (y == yhb) yf = (yh & 7) + 1; paxet(y, x, xf * yf); yf = 8; + } xf = 8; +} } } + +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); dispclos(); 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, *pkbuf; +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, 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, started, below; + +static void initbitrev() { uchar b, i, j, k, m, n; + for (i = 0; i <= maxink; i++) { + for (j = 0; j <= 3; j++) { b = 0; + for (k = 0; k <= 3; k++) { + if (maskmat[j][k] <= i) b |= maskmat[4][k]; + } maskb[i][j] = b; } } + cb[0] = 0; bitrev[0] = 0; m = 0x80; n = 1; + while (m) { /* count bits / put bits into reverse order within a byte */ + for (j = 0; j < n; j++) { cb[j + n] = cb[j] + 1; + bitrev[j + n] = bitrev[j] | m; + } n += n; m >>= 1; +} } +/*static long prodovz(a, b) ushort a, b; { return ((long)a * (long)b); } +static long scaled(w) long w; { long s; + union { long l; struct { ushort n, h; } U1; } a, b; + a.l = w; b.l = scf; + 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 -= scf << 12; return s; +}*/ +static long scaled(w) long w; { long s; ulong t=w, u=scf; + /* should return w * scf / 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 -= scf << 12; return s; +} + +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)); + 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 = (short)(conv * h + 0.5)-hoff; + vr = (short)(vconv * (v - WITH->U2.tfh) + 0.5)-voff; + br = (short)(conv * (h + WITH->U1.tfw) + 0.5)-hoff; + ar = (short)(vconv * (v + WITH->U2.tfd) + 0.5)-voff; + break; + case 1: + hr = (short)(conv * (landx + v - WITH->U2.tfh) + 0.5)-hoff; + vr = (short)(vconv * (landy - h - WITH->U1.tfw) + 0.5)-voff; + br = (short)(conv * (landx + v + WITH->U2.tfd) + 0.5)-hoff; + ar = (short)(vconv * (landy - h) + 0.5)-voff; + break; + case 3: + hr = (short)(conv * (landx - v - WITH->U2.tfd) + 0.5)-hoff; + vr = (short)(vconv * (landy + h) + 0.5)-voff; + br = (short)(conv * (landx - v + WITH->U2.tfh) + 0.5)-hoff; + ar = (short)(vconv * (landy + h + WITH->U1.tfw) + 0.5)-voff; + break; + case 2: + hr = (short)(conv * (landx - h - WITH->U1.tfw) + 0.5)-hoff; + vr = (short)(vconv * (landy - v - WITH->U2.tfd) + 0.5)-voff; + br = (short)(conv * (landx - h) + 0.5)-hoff; + ar = (short)(vconv * (landy - v + WITH->U2.tfh) + 0.5)-voff; + break; + } + li = 1; re = 1; ob = 1; un = 1; + if (hr < 0) { hr = 0; li = 0; } + if (br > xmax) { br = xmax; re = 0; } + 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 void drawract(xl, yl, xh, yh) ushort xl, yl, xh, yh; { + ushort xlb, xhb, ylb, yhb, x, y; uchar xf, yf; + xlb = xl >> 3; xhb = xh >> 3; ylb = yl >> 3; yhb = yh >> 3; + if (xlb == xhb) { xf = xh - xl; + if (ylb == yhb) { paxet(ylb, xlb, (xf + yh - yl) << 1); } else { + paxet(ylb, xlb, xf - ((yl & 7) << 1) + 15); + paxet(yhb, xlb, xf + ((yh & 7) << 1) + 1); + for (y = ylb + 1; y < yhb; y++) paxet(y, xlb, maxink); return; + } } else if (ylb == yhb) { yf = yh - yl; + paxet(ylb, xlb, yf - ((xl & 7) << 1) + 15); + paxet(ylb, xhb, yf + ((xh & 7) << 1) + 1); + for (x = xlb + 1; x < xhb; x++) paxet(ylb, x, maxink); return; + } else { + for (x = xlb + 1; x < xhb; x++) { paxet(ylb, x, 8); paxet(yhb, x, 8); } + for (y = ylb + 1; y < yhb; y++) { paxet(y, xlb, 8); paxet(y, xhb, 8); } + paxet(ylb, xlb, 15 - (yl & 7) - (xl & 7)); + paxet(ylb, xhb, (xh & 7) - (yl & 7) + 8); + paxet(yhb, xlb, (yh & 7) - (xl & 7) + 8); + paxet(yhb, xhb, (xh & 7) + (yh & 7) + 1); +} } +static void tfmcher() { short hr, vr, br, ar; + chdesc *WITH = &fontvect[fontint]->chv[c]; + switch (dviori) { + case 0: + hr = (short)(conv * h + 0.5); + vr = (short)(vconv * (v - WITH->U2.tfh) + 0.5); + br = (short)(conv * (h + WITH->U1.tfw) + 0.5); + ar = (short)(vconv * (v + WITH->U2.tfd) + 0.5); + break; + case 1: + hr = (short)(conv * (landx + v - WITH->U2.tfh) + 0.5); + vr = (short)(vconv * (landy - h - WITH->U1.tfw) + 0.5); + br = (short)(conv * (landx + v + WITH->U2.tfd) + 0.5); + ar = (short)(vconv * (landy - h) + 0.5); + break; + case 3: + hr = (short)(conv * (landx - v - WITH->U2.tfd) + 0.5); + vr = (short)(vconv * (landy + h) + 0.5); + br = (short)(conv * (landx - v + WITH->U2.tfh) + 0.5); + ar = (short)(vconv * (landy + h + WITH->U1.tfw) + 0.5); + break; + case 2: + hr = (short)(conv * (landx - h - WITH->U1.tfw) + 0.5); + vr = (short)(vconv * (landy - v - WITH->U2.tfd) + 0.5); + br = (short)(conv * (landx - h) + 0.5); + ar = (short)(vconv * (landy - v + WITH->U2.tfh) + 0.5); + break; + } + if (hr < 0) hr = 0; if (br > xmax) br = xmax; + if (vr < 0) vr = 0; if (ar > ymax) ar = ymax; + if (hr <= br) if (vr <= ar) drawract(hr, vr, br, ar); +} + +#define PKN1 *achm++ +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( pkbuf = (uchar *)malloc(WITH->danf) ); + fseek(fofil, 0L, 0); fread(pkbuf, WITH->danf, 1, fofil); + fclose(fofil); WITH->mch = -1; achm=pkbuf; 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; + achm += l; break; + case 244: achm += 4; break; + case 245: terminate = 1; break; + case 246: break; + case 247: b = PKN1; i = PKN1; + achm += i + 4; fofchk = pki4(); + if (chk != 0) if (fofchk != 0) if (chk != fofchk) + fprintf(prot, " *+* wrong checksum *+* "); + achm += 8; break; + case 248: case 249: case 250: case 251: + case 252: case 253: case 254: case 255: break; + } + } else { d = (achm - pkbuf) - 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()); 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()); 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()); pki4(); pki4(); + WITH1->U1.wid = pki4(); WITH1->U1.hei = pki4(); + WITH1->U1.hof = pki4(); WITH1->U1.vof = pki4(); break; + } + achm += l; + if ((unsigned)c <= 255) { + if (WITH->mch < c) WITH->mch = c; + WITH->chv[c].U1.bmp = d; + } } } while (!terminate); free(pkbuf); + 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 { long repc, count; short xs, wid1, dynf, dyng, dynh; + ushort d; uchar db, white, bmerk, buf[ym + 1]; +} 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() { short j, x=0; uchar dd; + if (Lpkc.dynf == 14) { + j = Lpkc.wid1 + Lpkc.xs; + Lpkc.db += Lpkc.xs; + do { + if (Lpkc.db < 8) Lpkc.d = (Lpkc.d << 8) | PKN1; + else Lpkc.db -= 8; + dd = (Lpkc.d >> Lpkc.db) & 255; + if (j >= 8) { j -= 8; Lpkc.buf[x] = dd; + } else { Lpkc.db += 8 - j; + Lpkc.buf[x] = dd & (0xff00L >> j) & 255; + j = 0; + } x++; + } while (j != 0); + Lpkc.d &= 0xffffL >> (16 - Lpkc.db); return; + } + j = Lpkc.wid1; Lpkc.db = 8 - Lpkc.xs; Lpkc.d = 0; + if (Lpkc.repc > 0) { Lpkc.repc--; return; } + while (j > 0) { + if (Lpkc.count == 0) { Lpkc.count = pknum(); Lpkc.white = !Lpkc.white; } + dd = Lpkc.db; + if (dd > j) dd = j; + if (dd > Lpkc.count) dd = Lpkc.count; + if (Lpkc.white) Lpkc.db -= dd; + else { Lpkc.d += 1 << Lpkc.db; + Lpkc.db -= dd; Lpkc.d -= 1 << Lpkc.db; + } + Lpkc.count -= dd; j -= dd; + if (Lpkc.db == 0 || j == 0) { + Lpkc.buf[x] = Lpkc.d & 255; + x++; Lpkc.d = 0; Lpkc.db = 8; +} } } +static void pkchar() { short hr, vr; long bma, bmx; + short x, x1, x2, x3, y1, y2, y; uchar b, bb, mach, mac, mpm, bach; + fontdesc *WITH; chdesc *WITH1; + WITH = fontvect[fontint]; WITH1 = &WITH->chv[c]; + achm += 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: achm += 10; break; + case 4: case 5: case 6: achm += 16; break; + case 7: achm += 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 = (short)(conv * h + 0.5) - WITH1->U1.hof-hoff; + vr = (short)(vconv * v + 0.5) - WITH1->U1.vof-voff; + if (vr > ymax) below = 1; else { + if (vr + WITH1->U1.hei >= 1) { + x1 = (hr & -8L) / 8; x2 = ((hr + WITH1->U1.wid - 1) & -8L) / 8; + Lpkc.xs = hr & 7; y2 = vr + WITH1->U1.hei - 1; + if (y2 > ymax) { y2 = ymax; below = 1; } + x3 = x1; if (x3 < 0) x3 = 0; if (x2 > xmb) x2 = xmb; + if (x3 <= x2) { + for (y = vr; y <= y2; y++) { pkline(); + if (y >= 0) { + for (x = x3; x <= x2; x++) + pixet(y, x, Lpkc.buf[x-x1]); + } } } } } break; + case 1: + hr = (short)(conv * (landx + v) + 0.5) - WITH1->U1.vof-hoff; + vr = (short)(vconv * (landy - h) + 0.5) + WITH1->U1.hof-voff; + 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++) { pkline(); + if (x3 >= 0) { + mach = mac; 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, x, mpm); + mach >>= 1; + if (mach == 0) { + mach = 0x80; bmx++; bach = Lpkc.buf[bmx]; + } } } } } } break; + case 3: + hr = (short)(conv * (landx - v) + 0.5) + WITH1->U1.vof-hoff; + vr = (short)(vconv * (landy + h) + 0.5) - WITH1->U1.hof-voff; + 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--) { pkline(); + if (x3 <= xmax) { + mach = mac; 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, x, mpm); + mach >>= 1; + if (mach == 0) { + mach = 0x80; bmx++; bach = Lpkc.buf[bmx]; + } } } } } } break; + case 2: + hr = (short)(conv * (landx - h) + 0.5) + WITH1->U1.hof-hoff; + vr = (short)(vconv * (landy - v) + 0.5) + WITH1->U1.vof-hoff; + if (vr - WITH1->U1.hei + 1 > ymax) below = 1; else { + if (vr >= 0) { + x1 = (hr & -8L) / 8; x2 = ((hr - WITH1->U1.wid + 1) & -8L) / 8; + Lpkc.xs = (7 - hr) & 7; y2 = vr - WITH1->U1.hei + 1; + if (y2 < 0) y2 = 0; + if (vr > ymax) below = 1; + if (x2 < 0) x2 = 0; x3 = x1; if (x3 > xmb) x3 = xmb; + if (x2 <= x3) { + for (y = vr; y >= y2; y--) { pkline(); + if (y <= ymax) { + for (x = x3; x >= x2; x--) + pixet(y, x, bitrev[Lpkc.buf[x1 - x]]); + } } } } } break; +} } +static void pklene() { short j; uchar dd; short s = 0; + if (Lpkc.dynf == 14) { j = Lpkc.wid1 + Lpkc.xs; Lpkc.db += Lpkc.xs; + do { + if (Lpkc.db < 8) Lpkc.d = (Lpkc.d << 8) | PKN1; + else Lpkc.db -= 8; + dd = (Lpkc.d >> Lpkc.db) & 255; + if (j >= 8) { j -= 8; Lpkc.buf[s] = cb[dd]; + } else { Lpkc.db += 8 - j; + Lpkc.buf[s] = cb[dd & (0xff00L >> j) & 255]; j = 0; + } s++; + } while (j != 0); + Lpkc.d &= 0xffffL >> (16 - Lpkc.db); return; + } + j = Lpkc.wid1; Lpkc.db = 8 - Lpkc.xs; Lpkc.d = 0; + if (Lpkc.repc > 0) { Lpkc.repc--; return; } + while (j > 0) { + if (Lpkc.count == 0) { Lpkc.count = pknum(); Lpkc.white = !Lpkc.white; } + dd = Lpkc.db; if (dd > j) dd = j; + if (dd > Lpkc.count) dd = Lpkc.count; + if (!Lpkc.white) Lpkc.d += dd; + Lpkc.db -= dd; Lpkc.count -= dd; j -= dd; + if (Lpkc.db == 0 || j == 0) { + Lpkc.buf[s] = Lpkc.d; s++; Lpkc.d = 0; Lpkc.db = 8; +} } } +static void pkcher() { short hr, vr, br, ar; + ushort s, s1, s2, t, t1, t2; + uchar ts, te, tr, tt, b, bb; uchar sum[ym + 1]; + fontdesc *WITH; chdesc *WITH1; + WITH = fontvect[fontint]; WITH1 = &WITH->chv[c]; + achm += 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: achm += 10; break; + case 4: case 5: case 6: achm += 16; break; + case 7: achm += 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 = (short)(conv * h + 0.5) - WITH1->U1.hof; + br = hr + WITH1->U1.wid - 1; + vr = (short)(vconv * v + 0.5) - WITH1->U1.vof; + ar = vr + WITH1->U1.hei - 1; + if (vr >= 0) if (ar <= ymax) if (hr >= 0) if (br <= xmax) { + s1 = hr >> 3; s2 = br >> 3; Lpkc.xs = hr & 7; + t1 = vr >> 3; t2 = ar >> 3; ts = vr & 7; + te = 7; tr = ar & 7; + for (t = t1; t <= t2; t++) { if (t == t2) te = tr; + for (s = s1; s <= s2; s++) sum[s] = 0; + for (tt = ts; tt <= te; tt++) { pklene(); + for (s = s1; s <= s2; s++) sum[s] += Lpkc.buf[s - s1]; + } ts = 0; for (s = s1; s <= s2; s++) paxet(t, s, sum[s]); + } } break; + case 1: + hr = (short)(conv * (landx + v) + 0.5) - WITH1->U1.vof; + br = hr + WITH1->U1.hei - 1; + vr = (short)(vconv * (landy - h) + 0.5) + WITH1->U1.hof; + ar = vr - WITH1->U1.wid + 1; + if (ar >= 0) if (vr <= ymax) if (hr >= 0) if (br <= xmax) { + s1 = vr >> 3; s2 = ar >> 3; Lpkc.xs = 7 - (vr & 7); + t1 = hr >> 3; t2 = br >> 3; ts = hr & 7; + te = 7; tr = br & 7; + for (t = t1; t <= t2; t++) { if (t == t2) te = tr; + for (s = s1; s >= s2; s--) sum[s] = 0; + for (tt = ts; tt <= te; tt++) { pklene(); + for (s = s1; s >= s2; s--) sum[s] += Lpkc.buf[s1 - s]; + } ts = 0; for (s = s1; s >= s2; s--) paxet(s, t, sum[s]); + } } break; + case 3: + hr = (short)(conv * (landx - v) + 0.5) + WITH1->U1.vof; + br = hr - WITH1->U1.hei + 1; + vr = (short)(vconv * (landy + h) + 0.5) - WITH1->U1.hof; + ar = vr + WITH1->U1.wid - 1; + if (vr >= 0) if (ar <= ymax) if (br >= 0) if (hr <= xmax) { + s1 = vr >> 3; s2 = ar >> 3; Lpkc.xs = vr & 7; + t1 = hr >> 3; t2 = br >> 3; ts = 7 - (hr & 7); + te = 7; tr = 7 - (br & 7); + for (t = t1; t >= t2; t--) { if (t == t2) te = tr; + for (s = s1; s <= s2; s++) sum[s] = 0; + for (tt = ts; tt <= te; tt++) { pklene(); + for (s = s1; s <= s2; s++) sum[s] += Lpkc.buf[s - s1]; + } ts = 0; for (s = s1; s <= s2; s++) paxet(s, t, sum[s]); + } } break; + case 2: + hr = (short)(conv * (landx - h) + 0.5) + WITH1->U1.hof; + br = hr - WITH1->U1.wid + 1; + vr = (short)(vconv * (landy - v) + 0.5) + WITH1->U1.vof; + ar = vr - WITH1->U1.hei + 1; + if (ar >= 0) if (vr <= ymax) if (br >= 0) if (hr <= xmax) { + s1 = hr >> 3; s2 = br >> 3; Lpkc.xs = 7 - (hr & 7); + t1 = vr >> 3; t2 = ar >> 3; ts = 7 - (vr & 7); + te = 7; tr = 7 - (ar & 7); + for (t = t1; t >= t2; t--) { if (t == t2) te = tr; + for (s = s1; s >= s2; s--) sum[s] = 0; + for (tt = ts; tt <= te; tt++) { pklene(); + for (s = s1; s >= s2; s--) sum[s] += Lpkc.buf[s1 - s]; + } ts = 0; for (s = s1; s >= s2; s--) paxet(t, s, sum[s]); + } } 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 putrale() { short hr, vr, br, ar; + if (b <= 0) return; + switch (dviori) { + case 0: + hr = (short)(conv * h + 0.5); + vr = (short)(vconv * (v - a) + 0.5); + br = (short)(conv * b + 0.5); if (br > 0) br--; + ar = (short)(vconv * a + 0.5); + break; + case 1: + hr = (short)(conv * (landx + v - a) + 0.5); + vr = (short)(vconv * (landy - h - b) + 0.5); + br = (short)(conv * a + 0.5); + ar = (short)(vconv * b + 0.5); if (ar > 0) ar--; + break; + case 3: + hr = (short)(conv * (landx - v) + 0.5); + vr = (short)(vconv * (landy + h) + 0.5); + br = (short)(conv * a + 0.5); + ar = (short)(vconv * b + 0.5); if (ar > 0) ar--; + break; + case 2: + hr = (short)(conv * (landx - h - b) + 0.5); + vr = (short)(vconv * (landy - v) + 0.5); + br = (short)(conv * b + 0.5); if (br > 0) br--; + ar = (short)(vconv * a + 0.5); + break; + } + 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) { + setract(hr, vr, br, ar); +} } +static void putrule() { short hr, vr, br, ar; + if (b <= 0) return; + if (alles) { putrale(); return; } + switch (dviori) { + case 0: + hr = (short)(conv * h + 0.5)-hoff; + vr = (short)(vconv * (v - a) + 0.5)-voff; + br = (short)(conv * b + 0.5); if (br > 0) br--; + ar = (short)(vconv * a + 0.5); + break; + case 1: + hr = (short)(conv * (landx + v - a) + 0.5)-hoff; + vr = (short)(vconv * (landy - h - b) + 0.5)-voff; + br = (short)(conv * a + 0.5); + ar = (short)(vconv * b + 0.5); if (ar > 0) ar--; + break; + case 3: + hr = (short)(conv * (landx - v) + 0.5)-hoff; + vr = (short)(vconv * (landy + h) + 0.5)-voff; + br = (short)(conv * a + 0.5); + ar = (short)(vconv * b + 0.5); if (ar > 0) ar--; + break; + case 2: + hr = (short)(conv * (landx - h - b) + 0.5)-hoff; + vr = (short)(vconv * (landy - v) + 0.5)-voff; + br = (short)(conv * b + 0.5); if (br > 0) br--; + ar = (short)(vconv * a + 0.5); + break; + } + 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) { if (alles) tfmcher(); else tfmchar(); return; } + if (WITH1->U1.bmp == 0) return; + if (WITH->chm == NULL) fontlod(); + achm = WITH->chm; if(alles) pkcher(); else pkchar(); +} +static void pageinit() { greydesc *WITH; + s = 0; w = 0; x = 0; y = 0; z = 0; + if (alles) { + h = (long)(xres / conv + 0.5); + v = (long)(yres / vconv + 0.5); + } else { h = 0; v = 0; } + for (j = 0; j <= 7; j++) { WITH = &greymask[j]; + WITH->maskc = 0xff; WITH->maskm = 0xff; WITH->masky = 0xff; + } darkfac = maxink; +} +static void pagebeg() { uchar j; + for (j = 0; j <= 9; j++) cnt[j] = dvinum(4); + lpp = dvinum(4); pagnum++; alles = 3; + if (pagnum >= pag1) { started = 1; } + zoelli = ftell(dvifile); zoelli += (long)dvibufp - (long)dvibufe; + dispopen(); pageinit(); +} +static void pageend() { char np; + if (s != 0) fprintf(prot, "Stack not empty at EOP\n"); + if (!started) return; dispcopy(); + if (alles) np = 0; else np = evalkbd(); + if (np == 0) { dviposit(zoelli); pageinit(); + dispopen(); + } + if (np < 0) if (lpp) dviposit(lpp); +} +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, b; + 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; + } + cy+=bl; ma+=bl; ye+=bl; bl=cy*0.3+ma*0.59+ye*0.11; + n = (short)(cy * maxink); if (n < 0) n = 0; + if (n > maxink) n = maxink; stackcy[colst] = n; + n = (short)(ma * maxink); if (n < 0) n = 0; + if (n > maxink) n = maxink; stackma[colst] = n; + n = (short)(ye * maxink); if (n < 0) n = 0; + if (n > maxink) n = maxink; stackye[colst] = n; + n = (short)(bl * maxink); if (n < 0) n = 0; + if (n > maxink) n = maxink; stackbl[colst] = n; + } + b = stackbl[colst]; cle = b; + n = stackcy[colst]; cle += n; if (alles == 3) darkfac = n; + for (m = 0; m <= 7; m++) + greymask[m].maskc = maskb[n][m & 3]; + n = stackma[colst]; cle += n; if (alles == 2) darkfac = n; + for (m = 0; m <= 7; m++) + greymask[m].maskm = maskb[n][m & 3]; + n = stackye[colst]; cle += n; if (alles == 1) darkfac = n; + for (m = 0; m <= 7; m++) + greymask[m].masky = maskb[n][m & 3]; + clearing = (cle == 0); if (vertfac == 7) darkfac = b; +} +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 = -xres; voff = -yres; + Tptr( fontvect = (fontdesc **) calloc(256, 4) ); + initbitrev(); colst = 0; dispinit(); + stackcy[colst] = maxink; stackma[colst] = maxink; + stackye[colst] = maxink; stackbl[colst] = maxink; + + fprintf(prot, "This is the VGA Color TeX driver, V 94.02 .\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 (default: 1 i.e. first in file)\n"); + fprintf(prot, " -m (default: from DVIfile)\n"); + fprintf(prot, " -f (default: %s)\n", fontprefix); + fprintf(prot, " -t (default: %s)\n", tfmprefix); + 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 '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; + } } } + dviopen(); postamb(); + do { o = dvibyte(); /* fprintf(prot, "(%u)", (ushort)o); */ + if (o <= 127) { + c = o; if (started) putchar_(); h += q; + } else if (o >= 171 && o <= 234) { + f = o - 171; if (started) fontset(); + } else 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; + } } while (!fini); + dispclos(); fclose(dvifile); exit(0); +} +static void finale() { dispclos(); exit(1); } diff --git a/dviware/dvidjc/turbo-c/maketcc.bat b/dviware/dvidjc/turbo-c/maketcc.bat new file mode 100644 index 0000000000..e4306f682c --- /dev/null +++ b/dviware/dvidjc/turbo-c/maketcc.bat @@ -0,0 +1,3 @@ +tcc -edvi550c -ml -DDJ550C -I. -L. dvidjc.c +tcc -edvi500c -ml -DDJ500C -I. -L. dvidjc.c +tcc -edvi500 -ml -DDJ500 -I. -L. dvidjc.c diff --git a/dviware/dvidjc/turbo-c/makevga.bat b/dviware/dvidjc/turbo-c/makevga.bat new file mode 100644 index 0000000000..5aab8731ca --- /dev/null +++ b/dviware/dvidjc/turbo-c/makevga.bat @@ -0,0 +1,2 @@ +tcc -edvivgac -ml -I. -L. dvivgac.c + \ No newline at end of file -- cgit v1.2.3