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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvidjc/turbo-c
Initial commit
Diffstat (limited to 'dviware/dvidjc/turbo-c')
-rw-r--r--dviware/dvidjc/turbo-c/dvidjc.c995
-rw-r--r--dviware/dvidjc/turbo-c/dvivgac.c1231
-rw-r--r--dviware/dvidjc/turbo-c/maketcc.bat3
-rw-r--r--dviware/dvidjc/turbo-c/makevga.bat2
4 files changed, 2231 insertions, 0 deletions
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 <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);
+ 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<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);
+ 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 <stdio.h>
+#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 maxink 16
+#define inkshift 4 /* maxink == 1<<inkshift */
+#define smax 100
+#define xm 319
+#define ym 447
+
+#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
+
+static uchar maskmat[5][4] = {
+ {14,4,16,2},{7,9,5,11},{15,1,13,3},{6,12,8,10},{0x88,0x44,0x22,0x11}};
+typedef struct greydesc { uchar maskc, maskm, masky; } greydesc;
+
+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 greydesc greymask[8];
+static uchar maskb[maxink + 1][4];
+static uchar cb[256], *pxlmem[ym+1];
+
+static uchar alles, clearing, fini;
+static short colst, xres=300, yres=300, xmax, hoff, voff;
+static ushort darkfac;
+static short xmb, ymax, hoffa=0, voffa=0;
+static ulong zoelli;
+static FILE *prot=stderr;
+
+static void finale();
+static void Tptr(p) void *p; { if(p==NULL) {
+ fprintf(prot, " - not enough memory :-( "); finale();
+ } /* else fprintf(prot, "(free:%ld)", (long)coreleft());*/
+}
+static void initpxmem() { short i;
+ for (i = 0; i <= ym; i++) Tptr(pxlmem[i] = (uchar *)malloc(xm + 1));
+}
+static void clrpxlmem() { short i;
+ for (i = 0; i <= ym; i++) memset(pxlmem[i], 0, xm + 1);
+}
+static void pixet(y, x, b) ushort y, x; uchar b; {
+ uchar *wo; greydesc *WITH1;
+ wo = pxlmem[y] + x; WITH1 = &greymask[y & 7];
+ if (clearing) * wo &= ~b; else * wo |= (b & WITH1->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 <conio.h>
+#include <dos.h>
+#include <bios.h>
+#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<starting page> (default: 1 i.e. first in file)\n");
+ fprintf(prot, " -m<new magnification> (default: from DVIfile)\n");
+ fprintf(prot, " -f<font directory> (default: %s)\n", fontprefix);
+ fprintf(prot, " -t<TFMfile directory> (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