/*
* dvi2tty
* Copyright (C) 2003 Marcel J.E. Mol <
[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
/*
* Include files
*/
#include "dvi2tty.h"
#if defined(VMS)
# include types.h
# include stat
#else
# if defined(THINK_C)
# include <unix.h>
# else
# include <sys/types.h>
# include <sys/stat.h>
# endif
#endif
#if defined(MSDOS) || defined(THINK_C)
# include <math.h>
#endif
#include "commands.h"
#include "tex2ucs.h"
/*
* Constant definitions
*/
#if defined(VMS)
#define mseek vmsseek
#define ROUND(a) (a>=0.0 ? (int) (a + 0.5) : (int) (a - 0.5) )
#else
#define mseek fseek
#endif
#define VERSIONID 2 /* dvi version number that pgm handles */
#define VERTICALEPSILON 450000L /* crlf when increasing v more than this */
#define rightmargin MAXTERMWIDTH+20
/* nr of columns allowed to the right of h=0*/
#define leftmargin -50 /* give some room for negative h-coordinate */
#define LINELEN rightmargin - leftmargin + 1
#define MOVE TRUE /* if advancing h when outputing a rule */
#define STAY FALSE /* if not advancing h when outputing a rule */
#define absolute 0 /* for seeking in files */
#define relative 1
#define FORM 12 /* formfeed */
#define SPACE 32 /* space */
#define DEL 127 /* delete */
#define LASTCHAR 127 /* max dvi character, above are commands */
#define LASTCHAR8B 255
#define IS_UNICODE 0x400000 /* flag for unicode */
#define MAX_UNICODE 0x10FFFF /* max unicode */
#define IMIN(a, b) (a<b ? a : b)
#define IMAX(a, b) (a>b ? a : b)
#define get1() num(1)
#define get2() num(2)
#define get3() num(3)
#define get4() num(4)
#define sget1() snum(1)
#define sget2() snum(2)
#define sget3() snum(3)
#define sget4() snum(4)
/*
* Structure and variable definitions
*/
const char *dvistuff = "@(#) dvistuff.c " VERSION " 20101027 M.J.E. Mol (c) 1989-2010";
typedef struct {
long hh;
long vv;
long ww;
long xx;
long yy;
long zz;
} stackitem;
typedef struct lineptr { /* the lines of text to be output to outfile */
long vv; /* vertical position of the line */
int charactercount; /* pos of last char on line */
struct lineptr *prev; /* preceding line */
struct lineptr *next; /* succeeding line */
long text[LINELEN+1]; /* leftmargin...rightmargin */
} linetype;
typedef struct _font {
long num;
struct _font * next;
char * name;
unsigned char flags; /* to store font encoding types */
int fontnum; /* helper for japanese fonts */
bool is8bit; /* 8bit fonts */
} font;
#define TTFONT 0x01
#define SYMFONT 0x02
#define MIFONT 0x03
#define T1FONT 0x04
#define TS1FONT 0x05
#define OT2FONT 0x10
#define T2AFONT 0x11
#define T2BFONT 0x12
#define T2CFONT 0x13
#define X2FONT 0x14
#define JPFONT 0x80
bool pageswitchon; /* true if user-set pages to print */
bool sequenceon; /* false if pagesw-nrs refers to TeX-nrs */
bool scascii; /* if true make Scand. nat. chars right */
bool latin1; /* if true make latin1 chars right */
bool utf8; /* if true print by utf8 encoding */
bool noligaturefi; /* if true do not use ligature for ff,fi,fl,ffi,ffl */
bool accent; /* if true output accents etc: \'{e} etc. */
bool ttfont = FALSE; /* if true we assumed ttfonts, not cmr */
bool symbolfont = FALSE; /* true if font is a symbol font */
bool nttj = FALSE; /* switch to NTT japanese fonts ... */
bool asciip = FALSE; /* switch to ASCII japanese fonts ... */
bool uptex = FALSE; /* switch to upTeX CJK fonts ... */
bool japan = FALSE; /* switch to NTT/ASCII/.. japanese fonts ... */
bool jautodetect = FALSE; /* switch if do auto detection of Japanese TeX */
bool jdetect = FALSE; /* switch if Japanese TeX detection is done */
bool mifont = FALSE; /* ASCII japanese font ??? */
bool is8bit = FALSE; /* true if 8bit encoding font */
bool noffd; /* if true output ^L instead of formfeed */
const char *delim; /* -bdelim for font switch printing */
bool printfont; /* true if user wants font switches printed */
bool compose; /* if true try to compose a combining character sequence */
bool allchar; /* true if user sets all characters */
/* overrides sscasci, accent */
int opcode; /* dvi-opcodes */
long h, v; /* coordinates, horizontal and vertical */
long w, x, y, z; /* horizontal and vertical amounts */
long pagecounter; /* sequence page number counter */
long backpointer; /* pointer for offset to previous page */
long pagenr; /* TeX page number */
int stackmax; /* stacksize required */
long maxpagewidth; /* width of widest page in file */
long charwidth; /* aprox width of character */
long lineheight = VERTICALEPSILON;
/* aprox height of a line */
linetype * currentline; /* pointer to current line on current page */
linetype * firstline; /* pointer to first line on current page */
linetype * lastline; /* pointer to last line on current page */
int firstcolumn; /* 1st column with something to print */
stackitem * stack; /* stack for dvi-pushes */
int sptr; /* stack pointer */
font * fonts = NULL; /* List of fontnames defined */
font * fnt = NULL; /* Current font */
int kanji1 = 0; /* number of rest of trailer bytes in kanji character */
/*
* Function definitions
*/
#if defined(MSDOS)
void postamble (void);
void preamble (void);
void walkpages (void);
void initpage (void);
void dopage (void);
void skippage (void);
void printpage (void);
bool inlist (long);
void rule (bool, long, long);
void ruleaux (long, long, char);
long horizontalmove (long);
int skipnops (void);
linetype * my_getline (void);
linetype * findline (void);
unsigned long num (int);
long snum (int);
void dochar (unsigned char);
void symchar (unsigned char);
void michar (unsigned char);
void normchar (char, unsigned char);
void t1char (unsigned char);
void ts1char (unsigned char);
void ot2char (unsigned char);
void t2char (char, unsigned char);
void outchar (long);
void putcharacter (long);
void setchar (long);
void fontdef (int);
void setfont (long);
void jischar (unsigned long);
int compute_jis (int, unsigned int, unsigned int *, unsigned int *);
void dounichar (long);
void dokanji (long);
int getjsubfont (char *);
#else
void postamble (void);
void preamble (void);
void walkpages (void);
void initpage (void);
void dopage (void);
void skippage (void);
void printpage (void);
bool inlist (long pagenr);
void rule (bool moving, long rulewt, long ruleht);
void ruleaux (long rulewt, long ruleht, char ch);
long horizontalmove (long amount);
int skipnops (void);
linetype * my_getline (void);
linetype * findline (void);
unsigned long num (int size);
long snum (int size);
void dochar (unsigned char ch);
void symchar (unsigned char ch);
void michar (unsigned char ch);
void normchar (char flag, unsigned char ch);
void t1char (unsigned char ch);
void ts1char (unsigned char ch);
void ot2char (unsigned char ch);
void t2char (char flag, unsigned char ch);
void outchar (long ch);
void putcharacter (long charnr);
void setchar (long charnr);
void fontdef (int x);
void setfont (long fntnum);
void jischar (unsigned long ch);
void compute_jis (int f, unsigned int c, unsigned int * ku, unsigned int * ten);
void dounichar (long ch);
void dokanji (long ch);
int getjsubfont (char * s);
#if defined(VMS)
long vmsseek ();
long vms_ftell ();
long vms_ungetc ();
#endif
#endif
/*
* DVIMAIN -- The main function for processing the dvi file.
* Here we assume there are to file pointers: DVIfile and output.
* Also we have a list of pages pointed to by 'currentpage',
* which is only used (in 'inlist()') when a page list is given.
*/
void dvimain(void)
{
postamble(); /* seek and process the postamble */
preamble(); /* process preamble */
/* note that walkpages *must* immediately follow preamble */
walkpages(); /* time to do the actual work! */
return;
} /* dvimain */
/*
* POSTAMBLE -- Find and process postamble, use random access
*/
void postamble(void)
{
register long size;
register int count;
#if !defined (THINK_C) && defined(VMS)
struct stat st;
#endif
#if defined (THINK_C)
size = DVIfile->len;
#elif defined(VMS)
fstat (fileno(DVIfile), &st);
size = (long) st.st_size; /* get size of file */
#else
fseek (DVIfile, 0L, SEEK_END);
size = ftell (DVIfile); /* get size of file */
#endif
count = -1;
do { /* back file up past signature bytes (223), to id-byte */
if (size-- == 0)
errorexit(nopst);
mseek(DVIfile, size, absolute);
opcode = (int) get1();
count++;
} while (opcode == TRAILER);
if (count < 4) { /* must have 4 trailer bytes */
foo = count;
errorexit(fwsgn);
}
if (opcode != VERSIONID)
errorexit(badid);
mseek(DVIfile, size-4, absolute); /* back up to back-pointer */
mseek(DVIfile, sget4(), absolute); /* and to start of postamble */
if (get1() != POST)
errorexit(nopst);
mseek(DVIfile, 20L, relative); /* lastpageoffset, numerator, denominator */
/* magnification, maxpageheight */
maxpagewidth = sget4();
charwidth = maxpagewidth / (ttywidth + espace);
stackmax = (int) get2();
if ((stack = (stackitem *) malloc(stackmax * sizeof(stackitem))) == NULL)
errorexit(stkrq);
/* get2() -- totalpages */
/* fontdefs do fontdefs in flight ... */
return;
} /* postamble */
/*
* PREAMBLE --process preamble, use random access
*/
void preamble(void)
{
mseek(DVIfile, 0L, absolute); /* read the dvifile from the start */
if ((opcode = skipnops()) != PRE)
errorexit(nopre);
opcode = (int) get1(); /* check id in preamble, ignore rest of it */
if (opcode != VERSIONID)
errorexit(badid);
mseek(DVIfile, 12L, relative); /* numerator, denominator, magnification */
mseek(DVIfile, get1(), relative); /* skip job identification */
return;
} /* preamble */
/*
* WALKPAGES -- process the pages in the DVI-file
*/
void walkpages(void)
{
register bool wantpage;
pagecounter = 0L;
while ((opcode = skipnops()) != POST) {
if (opcode != BOP) /* should be at start of page now */
errorexit(nobop);
pagecounter++;
pagenr = sget4(); /* get TeX page number */
mseek(DVIfile, 36L, relative); /* skip page header */
backpointer = sget4(); /* get previous page offset */
if (pageswitchon)
wantpage = inlist(sequenceon ? pagecounter : pagenr);
else
wantpage = TRUE;
if (wantpage) {
initpage();
dopage();
printpage();
}
else
skippage();
}
return;
} /* walkpages */
/*
* INITPAGE -- Setup a new, empty page.
*/
void initpage(void)
{
h = 0L; v = 0L; /* initialize coordinates */
x = 0L; w = 0L; y = 0L; z = 0L; /* initialize amounts */
sptr = 0; /* initialize stack */
currentline = my_getline(); /* initialize list of lines */
currentline->vv = 0L;
firstline = currentline;
lastline = currentline;
firstcolumn = rightmargin;
if (pageswitchon) {
if ((sequenceon ? pagecounter : pagenr) != firstpage->pag) {
if (noffd)
fprintf(output, "^L\n");
else
putc(FORM, output);
}
}
else
if (backpointer != -1) { /* not FORM at first page */
if (noffd)
fprintf(output, "^L\n");
else
putc(FORM, output);
}
return;
} /* initpage */
/*
* DOPAGE -- Process the dvi file until an end-off-page.
* Build up a page image.
*/
void dopage(void)
{
while ((opcode = (int) get1()) != EOP) { /* process page until eop */
if (opcode <= LASTCHAR)
dochar((unsigned char) opcode);
else if ((opcode >= FONT_00) && (opcode <= FONT_63))
setfont((long) opcode - FONT_00);
else if (opcode > POST_POST)
errorexit(illop);
else
switch (opcode) {
case SET1 : nttj ? jischar(get1()) : setchar(get1());break;
case SET2 : (asciip || uptex) ? dokanji(get2()) : setchar(get2()); break;
case SET3 : uptex ? dokanji(get3()) : setchar(get3()); break;
case SET4 : setchar(get4()); break;
case SET_RULE : { long height = sget4();
rule(MOVE, sget4(), height); break;
}
case PUT1 : putcharacter(get1()); break;
case PUT2 : putcharacter(get2()); break;
case PUT3 : putcharacter(get3()); break;
case PUT4 : putcharacter(get4()); break;
case PUT_RULE : { long height = sget4();
rule(STAY, sget4(), height); break;
}
case NOP : break; /* no-op */
case BOP : errorexit(bdbop); break;
/* case EOP : break; strange place to have EOP */
case PUSH : if (sptr >= stackmax) /* push */
errorexit(stkof);
stack[sptr].hh = h;
stack[sptr].vv = v;
stack[sptr].ww = w;
stack[sptr].xx = x;
stack[sptr].yy = y;
stack[sptr].zz = z;
sptr++;
break;
case POP : if (sptr-- == 0) /* pop */
errorexit(stkuf);
h = stack[sptr].hh;
v = stack[sptr].vv;
w = stack[sptr].ww;
x = stack[sptr].xx;
y = stack[sptr].yy;
z = stack[sptr].zz;
break;
case RIGHT1 : (void) horizontalmove(sget1()); break;
case RIGHT2 : (void) horizontalmove(sget2()); break;
case RIGHT3 : (void) horizontalmove(sget3()); break;
case RIGHT4 : (void) horizontalmove(sget4()); break;
case W0 : h += w; break;
case W1 : w = horizontalmove(sget1()); break;
case W2 : w = horizontalmove(sget2()); break;
case W3 : w = horizontalmove(sget3()); break;
case W4 : w = horizontalmove(sget4()); break;
case X0 : h += x; break;
case X1 : x = horizontalmove(sget1()); break;
case X2 : x = horizontalmove(sget2()); break;
case X3 : x = horizontalmove(sget3()); break;
case X4 : x = horizontalmove(sget4()); break;
case DOWN1 : v += sget1(); break;
case DOWN2 : v += sget2(); break;
case DOWN3 : v += sget3(); break;
case DOWN4 : v += sget4(); break;
case Y0 : v += y; break;
case Y1 : y = sget1(); v += y; break;
case Y2 : y = sget2(); v += y; break;
case Y3 : y = sget3(); v += y; break;
case Y4 : y = sget4(); v += y; break;
case Z0 : v += z; break;
case Z1 : z = sget1(); v += z; break;
case Z2 : z = sget2(); v += z; break;
case Z3 : z = sget3(); v += z; break;
case Z4 : z = sget4(); v += z; break;
case FNT1 :
case FNT2 :
case FNT3 :
case FNT4 : setfont(num(opcode - FNT1 + 1));
break;
case XXX1 : mseek(DVIfile, get1(), relative); break;
case XXX2 : mseek(DVIfile, get2(), relative); break;
case XXX3 : mseek(DVIfile, get3(), relative); break;
case XXX4 : mseek(DVIfile, get4(), relative); break;
case FNT_DEF1 :
case FNT_DEF2 :
case FNT_DEF3 :
case FNT_DEF4 : fontdef(opcode - FNT_DEF1 + 1);
break;
case PRE : errorexit(bdpre); break;
case POST : errorexit(bdpst); break;
case POST_POST: errorexit(bdpp); break;
}
}
return;
} /* dopage */
/*
* SKIPPAGE -- Scan the dvi file until an end-off-page.
* Skip this page.
*/
void skippage(void)
{
register int opcode;
while ((opcode = (int) get1()) != EOP) {
if (opcode > POST_POST)
errorexit(illop);
else
switch (opcode) {
case SET1 :
case PUT1 :
case RIGHT1 :
case W1 :
case X1 :
case DOWN1 :
case Y1 :
case Z1 : /* assume FNT change can also be skipped */
case FNT1 : mseek(DVIfile, 1L, relative); break;
case SET2 :
case PUT2 :
case RIGHT2 :
case W2 :
case X2 :
case DOWN2 :
case Y2 :
case Z2 :
case FNT2 : mseek(DVIfile, 2L, relative); break;
case SET3 :
case PUT3 :
case RIGHT3 :
case W3 :
case X3 :
case DOWN3 :
case Y3 :
case Z3 :
case FNT3 : mseek(DVIfile, 3L, relative); break;
case SET4 :
case PUT4 :
case RIGHT4 :
case W4 :
case X4 :
case DOWN4 :
case Y4 :
case Z4 :
case FNT4 : mseek(DVIfile, 4L, relative); break;
case SET_RULE :
case PUT_RULE : mseek(DVIfile, 8L, relative); break;
case BOP : errorexit(bdbop); break;
case XXX1 : mseek(DVIfile, get1(), relative); break;
case XXX2 : mseek(DVIfile, get2(), relative); break;
case XXX3 : mseek(DVIfile, get3(), relative); break;
case XXX4 : mseek(DVIfile, get4(), relative); break;
case FNT_DEF1 :
case FNT_DEF2 :
case FNT_DEF3 :
case FNT_DEF4 : fontdef(opcode - FNT_DEF1 + 1); break;
case PRE : errorexit(bdpre); break;
case POST : errorexit(bdpst); break;
case POST_POST: errorexit(bdpp); break;
}
}
return;
} /* skippage */
/*
* PRINTPAGE -- 'end of page', writes lines of page to output file
*/
void printpage(void)
{
register int i, j, k;
register long ch, mbch;
unsigned char buff[4];
if (sptr != 0)
fprintf(stderr, "dvi2tty: warning - stack not empty at eop.\n");
for (currentline = firstline; currentline != nil;
currentline = currentline->next) {
if (currentline != firstline) {
foo = ((currentline->vv - currentline->prev->vv)/lineheight)-1;
if (foo > 3)
foo = 3; /* linespacings not too large */
for (i = 1; i <= (int) foo; i++)
putc('\n', output);
}
if (currentline->charactercount >= leftmargin) {
foo = ttywidth - 2;
for (i = firstcolumn, j = 1; i <= currentline->charactercount;
i++, j++) {
ch = currentline->text[i - leftmargin];
if (japan && !(ch & IS_UNICODE)) {
if (ch > 127) {
for (k = 0; k < 4; k++) {
if (i - leftmargin + k < LINELEN+1)
buff[k] = currentline->text[i - leftmargin + k];
else buff[k] = '\0';
}
kanji1 = multistrlen(buff, 4, 0) - 1;
}
else kanji1 = 0;
if (kanji1 && (j + kanji1 > (int) foo) &&
(currentline->charactercount > i+1)) {
putc2('*', output);
putc2('\n', output); /* if line to large */
putc2(' ', output);
putc2('*', output); /* mark output */
j = 2;
}
}
if (ch >= SPACE || allchar) {
if (utf8 && (ch & IS_UNICODE)) {
mbch = UCStoUTF8(ch & MAX_UNICODE);
if (BYTE1(mbch) != 0) putc((unsigned char)BYTE1(mbch), output);
if (BYTE2(mbch) != 0) putc((unsigned char)BYTE2(mbch), output);
if (BYTE3(mbch) != 0) putc((unsigned char)BYTE3(mbch), output);
/* always */ putc((unsigned char)BYTE4(mbch), output);
}
else if (japan) {
for (k = 0; k < kanji1; k++) {
putc2(ch, output);
i++; j++;
ch = currentline->text[i - leftmargin];
}
putc2(ch, output);
}
else
putc(ch, output);
}
if ((j > (int) foo) && (currentline->charactercount > i+1)) {
if (japan) {
putc2('*', output);
putc2('\n', output); /* if line to large */
putc2(' ', output);
putc2('*', output); /* mark output */
}
else {
fprintf(output, "*\n"); /* if line to large */
fprintf(output, " *"); /* mark output */
}
j = 2;
}
}
}
if (japan)
putc2('\n', output);
else
putc('\n', output);
}
currentline = firstline;
while (currentline->next != nil) {
currentline = currentline->next;
free(currentline->prev);
}
free(currentline); /* free last line */
currentline = nil;
return;
} /* printpage */
/*
* INLIST -- return true if pagenr is in the list of pages to be printed.
*/
bool inlist(long pagenr)
{
while ((currentpage->pag < 0) && (currentpage->pag != pagenr) &&
!currentpage->all && (currentpage->nxt != nil))
currentpage = currentpage->nxt;
if ((currentpage->all && (pagenr < currentpage->pag)) ||
(currentpage->pag == pagenr))
return TRUE;
else if (pagenr > 0) {
while ((currentpage->pag < pagenr) && (currentpage->nxt != nil))
currentpage = currentpage->nxt;
if (currentpage->pag == pagenr)
return TRUE;
}
return FALSE;
} /* inlist */
/*
* RULE -- Output a rule (vertical or horizontal).
* Increment h if moving is true.
*/
void rule(bool moving, long rulewt, long ruleht)
{
register char ch; /* character to set rule with */
register long saveh = 0, savev;
/* rule -- starts up the recursive routine */
if (!moving)
saveh = h;
if ((ruleht <= 0) || (rulewt <= 0))
h += rulewt;
else {
savev = v;
if ((ruleht / rulewt) > 0) /* value < 1 truncates to 0 */
ch = '|';
else if (ruleht > (lineheight / 2))
ch = '=';
else
ch = '_';
ruleaux(rulewt, ruleht, ch);
v = savev;
}
if (!moving)
h = saveh;
return;
} /* rule */
/*
* RULEAUX -- do the actual output for the rule recursively.
*/
void ruleaux(long rulewt, long ruleht, char ch)
{
register long wt, lmh, rmh;
wt = rulewt;
lmh = h; /* save left margin */
if (h < 0) { /* let rules that start at negative h */
wt -= h; /* start at coordinate 0, but let it */
h = 0; /* have the right length */
}
while (wt > 0) { /* output the part of the rule that */
rmh = h; /* goes on this line */
outchar(ch);
wt -= (h-rmh); /* decrease the width left on line */
}
ruleht -= lineheight; /* decrease the height */
if (ruleht > lineheight) { /* still more vertical? */
rmh = h; /* save current h (right margin) */
h = lmh; /* restore left margin */
v -= (lineheight + lineheight / 10);
ruleaux(rulewt, ruleht, ch);
h = rmh; /* restore right margin */
}
return;
} /* ruleaux */
/*
* HORIZONTALMOVE -- Move the h pointer by amount.
*/
long horizontalmove(long amount)
{
#if defined(MSDOS) || defined(THINK_C)
if (labs(amount) > charwidth / 4L) { /* } to make vi happy */
#else
if (abs(amount) > charwidth / 4L) {
#endif
foo = 3*charwidth / 4;
if (amount > 0)
amount = ((amount+foo) / charwidth) * charwidth;
else
#if defined(VMS)
amount = (ROUND( (float) (amount-foo) / charwidth) + 1)* charwidth;
#else
amount = ((amount-foo) / charwidth) * charwidth;
#endif
h += amount;
return amount;
}
else
return 0;
} /* horizontalmove */
/*
* SKIPNOPS -- Return first non NOP opcode.
*/
int skipnops(void)
{
register int opcode;
while ((opcode = (int) num(1)) == NOP);
return opcode;
} /* skipnops */
/*
* GETLINE -- Returns an initialized line-object
*/
linetype *my_getline(void)
{
register int i;
register linetype *temp;
if ((temp = (linetype *) malloc(sizeof(linetype))) == NULL)
errorexit(lnerq);
temp->charactercount = leftmargin - 1;
temp->prev = nil;
temp->next = nil;
for (i = 0; i < LINELEN; i++)
temp->text[i] = ' ';
temp->text[i] = '\0';
return temp;
} /* my_getline */
/*
* FINDLINE -- Find best fit line were text should go
* and generate new line if needed.
*/
linetype *findline(void)
{
register linetype *temp;
register long topd, botd;
if (v <= firstline->vv) { /* above first line */
if (firstline->vv - v > lineheight) {
temp = my_getline();
temp->next = firstline;
firstline->prev = temp;
temp->vv = v;
firstline = temp;
}
return firstline;
}
if (v >= lastline->vv) { /* below last line */
if (v - lastline->vv > lineheight) {
temp = my_getline();
temp->prev = lastline;
lastline->next = temp;
temp->vv = v;
lastline = temp;
}
return lastline;
}
temp = lastline; /* in between two lines */
while ((temp->vv > v) && (temp != firstline))
temp = temp->prev;
/* temp->vv < v < temp->next->vv --- temp is above, temp->next is below */
topd = v - temp->vv;
botd = temp->next->vv - v;
if ((topd < lineheight) || (botd < lineheight)) {
if (topd < botd) /* take best fit */
return temp;
else
return temp->next;
}
/* no line fits suitable, generate a new one */
currentline = my_getline();
currentline->next = temp->next;
currentline->prev = temp;
temp->next->prev = currentline;
temp->next = currentline;
currentline->vv = v;
return currentline;
} /* findline */
/*
* NUM --
*/
unsigned long num(int size)
{
register int i;
register unsigned long x = 0;
for (i = size; i > 0; i--)
x = (x << 8) + (unsigned) getc(DVIfile);
return x;
} /* num */
/*
* SNUM --
*/
long snum(int size)
{
register int i;
register long x;
x = getc(DVIfile);
if (x & 0x80)
x -= 0x100;
for (i = size - 1; i > 0; i--)
x = (x << 8) + (unsigned) getc(DVIfile);
return x;
} /* snum */
/*
* DOUNICHAR -- Process a Unicode character
*/
void dounichar(long ch)
{
unsigned char c[4] = {}, *cc;
if (noligaturefi && 0xFB00<=ch && ch<=0xFB04) {
switch (ch) {
case 0xFB00: strcpy(c,"ff"); break;
case 0xFB01: strcpy(c,"fi"); break;
case 0xFB02: strcpy(c,"fl"); break;
case 0xFB03: strcpy(c,"ffi"); break;
case 0xFB04: strcpy(c,"ffl"); break;
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
}
if (ch>0x7F)
outchar((long)(ch | IS_UNICODE));
else {
outchar((long)ch);
}
return;
} /* dounichar */
/*
* DOKANJI -- Process a kanji character opcode.
*/
void dokanji(long ch)
{
long i;
i = toBUFF(fromDVI(ch));
kanji1 = 3;
if (BYTE1(i) != 0) outchar((long)BYTE1(i));
kanji1 = 2;
if (BYTE2(i) != 0) outchar((long)BYTE2(i));
kanji1 = 1;
if (BYTE3(i) != 0) outchar((long)BYTE3(i));
kanji1 = 0;
/* always */ outchar((long)BYTE4(i));
return;
} /* dokanji */
/*
* DOCHAR -- Process a character opcode.
*/
void dochar(unsigned char ch)
{
char flag;
flag = fnt->flags;
if (nttj && fnt->fontnum)
jischar((long) ch);
else if (symbolfont)
symchar(ch);
else if (mifont)
michar(ch);
else if (flag == T1FONT)
t1char(ch);
else if (flag == TS1FONT)
ts1char(ch);
else if (flag == OT2FONT)
ot2char(ch);
else if (flag == T2AFONT || flag == T2BFONT ||
flag == T2CFONT || flag == X2FONT)
t2char(flag, ch);
else
normchar(flag, ch);
return;
} /* dochar */
/*
* SYMCHAR -- Process a character opcode for a symbol font.
*/
void symchar(unsigned char ch)
{
unsigned char c[4] = {}, *cc;
long ucs;
ucs = oms_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) { /* can do a lot more on MSDOS/latin1/unicode machines ... */
case 0: c[0] = '-'; break;
case 1: c[0] = '.'; break;
case 2: c[0] = 'x'; break;
case 3: c[0] = '*'; break;
case 4: c[0] = '/'; break;
case 6: c[0] = '+'; c[1] = '-'; break;
case 7: c[0] = '-'; c[1] = '+'; break;
case 13: c[0] = 'O'; break;
case 14: c[0] = 'O'; break;
case 15: c[0] = 'o'; break;
case 24: c[0] = '~'; break;
case 28: c[0] = '<'; c[1] = '<'; break;
case 29: c[0] = '>'; c[1] = '>'; break;
case 32: c[0] = '<'; c[1] = '-'; break;
case 33: c[0] = '-'; c[1] = '>'; break;
case 34: c[0] = '^'; break;
case 35: c[0] = 'v'; break;
case 36: c[0] = '<'; c[1] = '-'; c[2] = '>'; break;
case 40: c[0] = '<'; c[1] = '='; break;
case 41: c[0] = '='; c[1] = '>'; break;
case 42: c[0] = '^'; break;
case 43: c[0] = 'v'; break;
case 44: c[0] = '<'; c[1] = '='; c[2] = '>'; break;
case 60: c[0] = 'R'; c[1] = 'e'; break;
case 61: c[0] = 'I'; c[1] = 'm'; break;
case 102: c[0] = '{'; break;
case 103: c[0] = '}'; break;
case 104: c[0] = '<'; break;
case 105: c[0] = '>'; break;
case 106: c[0] = '|'; break;
case 107: c[0] = '|'; c[1] = '|'; break;
case 110: c[0] = '\\'; break;
case 120: c[0] = 'S'; break;
case 121: c[0] = '*'; break;
case 122: c[0] = '*'; c[1] = '*'; break;
case 123: c[0] = 'P'; break;
default: c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* symchar */
/*
* MICHAR -- Process a character opcode for OML font.
*/
void michar(unsigned char ch)
{
unsigned char c[4] = {}, *cc;
long ucs;
if (allchar) {
outchar(ch);
return;
}
ucs = oml_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 0x3a: c[0] = '.'; break; /* . */
case 0x3b: c[0] = ','; break; /* , */
case 0x3d: c[0] = '/'; break; /* / */
case 0x3e: c[0] = '*'; break; /* \star */
case 0x40: c[0] = 'd'; break; /* \partial */
case 0x60: c[0] = 'l'; break; /* \ell */
case 0x7b: c[0] = 'i'; break; /* dotless i */
case 0x7c: c[0] = 'j'; break; /* dotless j */
case 0x7d: c[0] = 'P'; break; /* \wp */
default : c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* michar */
/*
* NORMCHAR -- Process a character opcode for a normal font.
*/
void normchar(char flag, unsigned char ch)
{
unsigned char c[4] = {}, *cc;
const unsigned short *tex_to_ucs;
long ucs;
if (allchar) {
outchar(ch);
return;
}
if (!accent) {
switch (ch) {
case 18 : /* grave from \` */
case 19 : /* acute from \' */
case 20 : /* caron from \v */
case 21 : /* breve from \u */
case 22 : /* macron from \= */
case 23 : /* ring above from \r */
case 24 : /* cedilla from \c */
case 32 : /* stroke i.e. \L,\l */
case 94 : /* circumflex from \^ */
case 126 : /* tilde from \~ */
case 127 : /* diaeresis from \" */
return;
case 125 : /* double acute from \H */
case 95 : /* dot from \. */
if (!ttfont) return;
}
}
switch (flag) {
case TTFONT : tex_to_ucs=tt_to_ucs; break;
default : tex_to_ucs=ot1_to_ucs;
}
ucs = tex_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 11 : if (ttfont)
c[0] = '^'; /* up symbol */
else {
c[0] = 'f'; c[1] = 'f'; /* ligature */
}
break;
case 12 : if (ttfont)
c[0] = 'v'; /* low symbol */
else {
c[0] = 'f'; c[1] = 'i'; /* ligature */
}
break;
case 13 : if (ttfont)
c[0] = '`';
else {
c[0] = 'f'; c[1] = 'l'; /* ligature */
}
break;
case 14 : if (ttfont)
c[0] = 'i'; /* spanish ! */
else {
c[0] = 'f'; c[1] = 'f';
c[2] = 'i'; /* ligature */
}
break;
case 15 : if (ttfont)
c[0] = '.'; /* spanish ? */
else {
c[0] = 'f'; c[1] = 'f';
c[2] = 'l'; /* ligature */
}
break;
case 16 : c[0] = 'i'; break;
case 17 : c[0] = 'j'; break;
case 25 : if (latin1)
c[0] = 0xdf;
else {
c[0] = 's'; c[1] = 's';
}
break; /* German double s */
case 26 : if (latin1)
c[0] = 0xe6;
else {
c[0] = 'a'; c[1] = 'e';
}
break; /* Dane/Norw ae */
case 27 : c[0] = 'o'; c[1] = 'e';
break; /* Dane/Norw oe */
case 28 : if (scascii)
c[0] = '|';
else if (latin1)
c[0] = 0xf8;
else
c[0] = 'o';
break; /* Dane/Norw /o */
case 29 : if (latin1)
c[0] = 0xc6;
else {
c[0] = 'A'; c[1] = 'E';
}
break; /* Dane/Norw AE */
case 30 : c[0] = 'O'; c[1] = 'E';
break; /* Dane/Norw OE */
case 31 : if (scascii)
c[0] = '\\';
else if (latin1)
c[0] = 0xd8;
else
c[0] = 'O';
break; /* Dane/Norw /O */
case 60 : if (ttfont)
c[0] = ch; /* '>' */
else if (latin1)
c[0] = 0xa1;
else
c[0] = '!';
break; /* inverted ! */
case 62 : if (ttfont)
c[0] = ch; /* '<' */
else if (latin1)
c[0] = 0xbf;
else
c[0] = '?';
break; /* inverted ? */
case 32 : c[0] = ttfont ? ch : '_'; break; /* underlined blank */
case 92 : c[0] = ttfont ? ch : '"'; break; /* \ from `` */
case 123 : if (ttfont)
c[0] = ch; /* { */
else {
c[0] = '-'; c[1] = '-'; /* -- */
}
break;
case 124 : if (ttfont)
c[0] = ch; /* | */
else {
c[0] = '-'; c[1] = '-'; /* --- */
c[2] = '-';
}
break;
case 125 : if (ttfont)
c[0] = ch; /* } */
else
c[0] = '"'; /* double acute from \H */
break;
case 34 : /* " */
case 39 : /* ' */
case 96 : c[0] = ch; break; /* ` */
/* diacritical marks */
case 18 : c[0] = '`' ; break; /* grave from \` */
case 19 : c[0] = latin1 ? 0xb4 : '\''; break;
/* acute from \' */
case 20 : c[0] = '~' ; break; /* caron from \v */
case 21 : c[0] = '~' ; break; /* breve from \u */
case 22 : c[0] = '~' ; break; /* macron from \= */
case 23 : c[0] = latin1 ? 0xb0 : '~'; break;
/* ring above from \r */
case 24 : c[0] = latin1 ? 0xb8 : ','; break;
/* cedilla from \c */
case 94 : c[0] = '^' ; break; /* circumflex from \^ */
case 95 : c[0] = !ttfont ? '.' : ch; break;
/* dot from \. */
case 126 : c[0] = '~' ; break; /* tilde from \~ */
case 127 : c[0] = '"' ; break; /* diaeresis from \" */
default : c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* normchar */
/*
* T1CHAR -- Process a character opcode for a T1 encoding font.
*/
void t1char(unsigned char ch)
{
unsigned char c[4] = {}, *cc;
long ucs;
if (allchar) {
outchar(ch);
return;
}
if (!accent) {
switch (ch) {
case 0x00: /* grave from \` */
case 0x01: /* acute from \' */
case 0x02: /* circumflex from \^ */
case 0x03: /* tilde from \~ */
case 0x04: /* diaeresis from \" */
case 0x05: /* double acute from \H */
case 0x06: /* ring above from \r */
case 0x07: /* caron from \v */
case 0x08: /* breve from \u */
case 0x09: /* macron from \= */
case 0x0a: /* dot from \. */
case 0x0b: /* cedilla from \c */
case 0x0c: /* ogonek from \k */
return;
}
}
if (ch==0xdf) {
outchar('S'); outchar('S'); /* SS */
return;
}
ucs = t1_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 0x17: return; /* \textcompwordmark */
case 0x0d: /* \quotesinglbase */
case 0x27: /* \textquoteright */
case 0x60: c[0] = '\''; break; /* \textquoteleft */
case 0x10: /* \textquotedblleft */
case 0x11: /* \textquotedblright */
case 0x12: c[0] = '"'; break; /* \quotedblbase */
case 0x0e: c[0] = '<'; break; /* \guilsinglleft */
case 0x0f: c[0] = '>'; break; /* \guilsinglright */
case 0x13: c[0] = '<'; c[1] = '<'; /* \guillemotleft */
break;
case 0x14: c[0] = '>'; c[1] = '>'; /* \guillemotright */
break;
case 0x15: c[0] = '-'; c[1] = '-'; /* \textendash */
break;
case 0x16: c[0] = '-'; c[1] = '-'; /* \textemdash */
c[2] = '-'; break;
case 0x20: c[0] = '_'; break; /* \textvisiblespace */
case 0x7f: c[0] = '-'; break; /* - */
case 0x19: c[0] = 'i'; break; /* dotless i */
case 0x1a: c[0] = 'j'; break; /* dotless j */
case 0x1b: c[0] = 'f'; c[1] = 'f'; /* ligature */
break;
case 0x1c: c[0] = 'f'; c[1] = 'i'; /* ligature */
break;
case 0x1d: c[0] = 'f'; c[1] = 'l'; /* ligature */
break;
case 0x1e: c[0] = 'f'; c[1] = 'f';
c[2] = 'i'; /* ligature */
break;
case 0x1f: c[0] = 'f'; c[1] = 'f';
c[2] = 'l'; /* ligature */
break;
case 0xff: c[0] = 's'; c[1] = 's';
break; /* German double s */
case 0xe6: c[0] = 'a'; c[1] = 'e';
break; /* Dane/Norw ae */
case 0xf7: c[0] = 'o'; c[1] = 'e';
break; /* Dane/Norw oe */
case 0xf8: c[0] = '/'; c[1] = 'o';
break; /* Dane/Norw /o */
case 0xc6: c[0] = 'A'; c[1] = 'E';
break; /* Dane/Norw AE */
case 0xd7: c[0] = 'O'; c[1] = 'E';
break; /* Dane/Norw OE */
case 0xd8: c[0] = '/'; c[1] = 'O';
break; /* Dane/Norw /O */
case 0x9c: c[0] = 'I'; c[1] = 'J';
break; /* IJ */
case 0xbc: c[0] = 'i'; c[1] = 'j';
break; /* ij */
case 0x8d: c[0] = 'N'; c[1] = 'G';
break; /* ENG */
case 0xad: c[0] = 'n'; c[1] = 'g';
break; /* eng */
case 0xde: c[0] = 'T'; c[1] = 'H';
break; /* THORN */
case 0xfe: c[0] = 't'; c[1] = 'h';
break; /* thorn */
case 0x80: c[0] = '~'; c[1] ='A'; break; /* uA */
case 0x81: c[0] = ','; c[1] ='A'; break; /* ,A */
case 0x82: c[0] = '\''; c[1] ='C'; break; /* 'C */
case 0x83: c[0] = '~'; c[1] ='C'; break; /* vC */
case 0x84: c[0] = '~'; c[1] ='D'; break; /* vD */
case 0x85: c[0] = '~'; c[1] ='E'; break; /* vE */
case 0x86: c[0] = ','; c[1] ='E'; break; /* ,E */
case 0x87: c[0] = '~'; c[1] ='G'; break; /* uG */
case 0x88: c[0] = '\''; c[1] ='L'; break; /* 'L */
case 0x89: c[0] = '\''; c[1] ='L'; break; /* 'L */
case 0x8a: c[0] = '-'; c[1] ='L'; break; /* -L */
case 0x8b: c[0] = '\''; c[1] ='N'; break; /* 'N */
case 0x8c: c[0] = '~'; c[1] ='N'; break; /* vN */
case 0x8e: c[0] = '"'; c[1] ='O'; break; /* "O */
case 0x8f: c[0] = '\''; c[1] ='R'; break; /* 'R */
case 0x90: c[0] = '~'; c[1] ='R'; break; /* vR */
case 0x91: c[0] = '\''; c[1] ='S'; break; /* 'S */
case 0x92: c[0] = '~'; c[1] ='S'; break; /* vS */
case 0x93: c[0] = ','; c[1] ='S'; break; /* ,S */
case 0x94: c[0] = '~'; c[1] ='T'; break; /* vT */
case 0x95: c[0] = ','; c[1] ='T'; break; /* ,T */
case 0x96: c[0] = '"'; c[1] ='U'; break; /* "U */
case 0x97: c[0] = '\''; c[1] ='U'; break; /* oU */
case 0x98: c[0] = '"'; c[1] ='Y'; break; /* "Y */
case 0x99: c[0] = '\''; c[1] ='Z'; break; /* 'Z */
case 0x9a: c[0] = '~'; c[1] ='Z'; break; /* vZ */
case 0x9b: c[0] = '\''; c[1] ='Z'; break; /* .Z */
case 0x9d: c[0] = '\''; c[1] ='I'; break; /* .I */
case 0x9e: c[0] = '-'; c[1] ='d'; break; /* -d */
case 0x9f: c[0] = 'S'; break; /* section sign */
case 0xa0: c[0] = '~'; c[1] ='a'; break; /* ua */
case 0xa1: c[0] = ','; c[1] ='a'; break; /* ,a */
case 0xa2: c[0] = '\''; c[1] ='c'; break; /* 'c */
case 0xa3: c[0] = '~'; c[1] ='c'; break; /* vc */
case 0xa4: c[0] = '\''; c[1] ='d'; break; /* 'd */
case 0xa5: c[0] = '~'; c[1] ='e'; break; /* ve */
case 0xa6: c[0] = ','; c[1] ='e'; break; /* ,e */
case 0xa7: c[0] = '~'; c[1] ='g'; break; /* ug */
case 0xa8: c[0] = '\''; c[1] ='l'; break; /* 'l */
case 0xa9: c[0] = '\''; c[1] ='l'; break; /* 'l */
case 0xaa: c[0] = '-'; c[1] ='l'; break; /* -l */
case 0xab: c[0] = '\''; c[1] ='n'; break; /* 'n */
case 0xac: c[0] = '~'; c[1] ='n'; break; /* vn */
case 0xae: c[0] = '"'; c[1] ='o'; break; /* "o */
case 0xaf: c[0] = '\''; c[1] ='r'; break; /* 'r */
case 0xb0: c[0] = '~'; c[1] ='r'; break; /* vr */
case 0xb1: c[0] = '\''; c[1] ='s'; break; /* 's */
case 0xb2: c[0] = '~'; c[1] ='s'; break; /* vs */
case 0xb3: c[0] = ','; c[1] ='s'; break; /* ,s */
case 0xb4: c[0] = '\''; c[1] ='t'; break; /* 't */
case 0xb5: c[0] = ','; c[1] ='t'; break; /* ,t */
case 0xb6: c[0] = '"'; c[1] ='u'; break; /* "u */
case 0xb7: c[0] = '\''; c[1] ='u'; break; /* ou */
case 0xb8: c[0] = '"'; c[1] ='y'; break; /* "y */
case 0xb9: c[0] = '\''; c[1] ='z'; break; /* 'z */
case 0xba: c[0] = '~'; c[1] ='z'; break; /* vz */
case 0xbb: c[0] = '\''; c[1] ='z'; break; /* .z */
case 0xbd: c[0] = '!'; break; /* inversed ! */
case 0xbe: c[0] = '?'; break; /* inversed ? */
case 0xbf: c[0] = 'L'; break; /* pound sign */
case 0xc0: c[0] = '`'; c[1] ='A'; break; /* `A */
case 0xc1: c[0] = '\''; c[1] ='A'; break; /* 'A */
case 0xc2: c[0] = '^'; c[1] ='A'; break; /* ^A */
case 0xc3: c[0] = '~'; c[1] ='A'; break; /* ~A */
case 0xc4: c[0] = '"'; c[1] ='A'; break; /* "A */
case 0xc5: c[0] = 'A'; c[1] ='A'; break; /* oA */
case 0xc7: c[0] = ','; c[1] ='C'; break; /* ,C */
case 0xc8: c[0] = '`'; c[1] ='E'; break; /* `E */
case 0xc9: c[0] = '\''; c[1] ='E'; break; /* 'E */
case 0xca: c[0] = '^'; c[1] ='E'; break; /* ^E */
case 0xcb: c[0] = '^'; c[1] ='E'; break; /* "E */
case 0xcc: c[0] = '`'; c[1] ='I'; break; /* `I */
case 0xcd: c[0] = '\''; c[1] ='I'; break; /* 'I */
case 0xce: c[0] = '^'; c[1] ='I'; break; /* ^I */
case 0xcf: c[0] = '"'; c[1] ='I'; break; /* "I */
case 0xd0: c[0] = '-'; c[1] ='D'; break; /* -D */
case 0xd1: c[0] = '~'; c[1] ='n'; break; /* ~n */
case 0xd2: c[0] = '`'; c[1] ='O'; break; /* `O */
case 0xd3: c[0] = '\''; c[1] ='O'; break; /* 'O */
case 0xd4: c[0] = '^'; c[1] ='O'; break; /* ^O */
case 0xd5: c[0] = '~'; c[1] ='O'; break; /* ~O */
case 0xd6: c[0] = '"'; c[1] ='O'; break; /* "O */
case 0xd9: c[0] = '`'; c[1] ='U'; break; /* `U */
case 0xda: c[0] = '\''; c[1] ='U'; break; /* 'U */
case 0xdb: c[0] = '^'; c[1] ='U'; break; /* ^U */
case 0xdc: c[0] = '"'; c[1] ='U'; break; /* "U */
case 0xdd: c[0] = '\''; c[1] ='Y'; break; /* 'Y */
case 0xe0: c[0] = '`'; c[1] ='a'; break; /* `a */
case 0xe1: c[0] = '\''; c[1] ='a'; break; /* 'a */
case 0xe2: c[0] = '^'; c[1] ='a'; break; /* ^a */
case 0xe3: c[0] = '~'; c[1] ='a'; break; /* ~a */
case 0xe4: c[0] = '"'; c[1] ='a'; break; /* "a */
case 0xe5: c[0] = 'a'; c[1] ='a'; break; /* oa */
case 0xe7: c[0] = ','; c[1] ='c'; break; /* ,c */
case 0xe8: c[0] = '`'; c[1] ='e'; break; /* `e */
case 0xe9: c[0] = '\''; c[1] ='e'; break; /* 'e */
case 0xea: c[0] = '^'; c[1] ='e'; break; /* ^e */
case 0xeb: c[0] = '^'; c[1] ='e'; break; /* "e */
case 0xec: c[0] = '`'; c[1] ='i'; break; /* `i */
case 0xed: c[0] = '\''; c[1] ='i'; break; /* 'i */
case 0xee: c[0] = '^'; c[1] ='i'; break; /* ^i */
case 0xef: c[0] = '"'; c[1] ='i'; break; /* "i */
case 0xf0: c[0] = '-'; c[1] ='d'; break; /* -d */
case 0xf1: c[0] = '~'; c[1] ='n'; break; /* ~n */
case 0xf2: c[0] = '`'; c[1] ='o'; break; /* `o */
case 0xf3: c[0] = '\''; c[1] ='o'; break; /* 'o */
case 0xf4: c[0] = '^'; c[1] ='o'; break; /* ^o */
case 0xf5: c[0] = '~'; c[1] ='o'; break; /* ~o */
case 0xf6: c[0] = '"'; c[1] ='o'; break; /* "o */
case 0xf9: c[0] = '`'; c[1] ='u'; break; /* `u */
case 0xfa: c[0] = '\''; c[1] ='u'; break; /* 'u */
case 0xfb: c[0] = '^'; c[1] ='u'; break; /* ^u */
case 0xfc: c[0] = '"'; c[1] ='u'; break; /* "u */
case 0xfd: c[0] = '\''; c[1] ='y'; break; /* 'y */
/* diacritical marks */
case 0x00: c[0] = '`' ; break; /* grave from \` */
case 0x01: c[0] = latin1 ? 0xb4 : '\''; break;
/* acute from \' */
case 0x02: c[0] = '^' ; break; /* circumflex from \^ */
case 0x03: c[0] = '~' ; break; /* tilde from \~ */
case 0x04: c[0] = '"' ; break; /* diaeresis from \" */
case 0x05: c[0] = '"' ; break; /* double acute from \H */
case 0x06: c[0] = latin1 ? 0xb0 : '~'; break;
/* ring above from \r */
case 0x07: c[0] = '~' ; break; /* caron from \v */
case 0x08: c[0] = '~' ; break; /* breve from \u */
case 0x09: c[0] = '~' ; break; /* macron from \= */
case 0x0a: c[0] = '.' ; break; /* dot from \. */
case 0x0b: c[0] = latin1 ? 0xb8 : ','; break;
/* cedilla from \c */
case 0x0c: c[0] = ',' ; break; /* ogonek from \k */
default : c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* t1char */
/*
* TS1CHAR -- Process a character opcode for a TS1 encoding font.
*/
void ts1char(unsigned char ch)
{
unsigned char c[4] = {}, *cc;
long ucs;
if (allchar) {
outchar(ch);
return;
}
ucs = ts1_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 0x17: /* \capitalcompwordmark */
case 0x1F: return; /* \textascendercompwordmark */
case 0x0D: /* \textquotestraightbase */
case 0x27: c[0] = '\''; break; /* \textquotesingle */
case 0x12: c[0] = '"'; break; /* \textquotestraghtdblbase */
case 0x15: c[0] = '-'; break; /* \texttwelveudash */
case 0x16: c[0] = '-'; c[1] = '-'; /* \textthreequartersemdash */
break;
case 0x18: c[0] = '<'; c[1] = '-'; /* \textleftarrow */
break;
case 0x19: c[0] = '-'; c[1] = '>'; /* \textrightarrow */
break;
case 0x2A: c[0] = '*'; break; /* \textasteriskcentered */
case 0x2D: c[0] = '='; break; /* \textdblhyphen */
case 0x2F: c[0] = '/'; break; /* \textfractionsolidus */
case 0x3C: c[0] = '<'; break; /* \textlangle */
case 0x3D: c[0] = '-'; break; /* \textminus */
case 0x3E: c[0] = '>'; break; /* \textrangle */
case 0x5B: c[0] = '['; break; /* \textlbrackdbl */
case 0x5D: c[0] = ']'; break; /* \textrbrackdbl */
case 0x5E: c[0] = '^'; break; /* \textuparrow */
case 0x5F: c[0] = 'v'; break; /* \textdownarrow */
case 0x7E: c[0] = '~'; break; /* \texttildelow */
case 0x7F: c[0] = '='; break; /* \textdblhyphenchar */
case 0x84: c[0] = '*'; break; /* \textdagger */
case 0x85: c[0] = '*'; c[1] = '*'; /* \textdaggerdbl */
break;
case 0x86: c[0] = '|'; c[1] = '|'; /* \textbardbl */
break;
case 0x89: if (latin1) {
c[0] = 0xb0; c[1] = 'C';
}
else
c[0] = 'C';
break; /* \textcelsius */
case 0x8B: c[0] = 'c'; break; /* \textcent */
case 0x8C: c[0] = 'f'; break; /* \textflorin */
case 0x8D: c[0] = 'C'; break; /* \textcentoldstyle */
case 0x8E: c[0] = 'W'; break; /* \textwon */
case 0x8F: c[0] = 'N'; break; /* \textnaira */
case 0x90: c[0] = 'G'; break; /* \textguarani */
case 0x91: c[0] = 'P'; break; /* \textpeso */
case 0x92: c[0] = 'L'; break; /* \textlira */
case 0x93: c[0] = 'R'; break; /* \textrecipe */
case 0x94: /* \textinterrobang */
case 0x95: c[0] = '!'; c[1] = '?'; /* \textinterrobangdown */
break;
case 0x97: c[0] = 'T'; c[1] = 'M'; /* \texttrademark */
break;
case 0x99: c[0] = 'P'; break; /* \textpilcrow */
case 0x9B: c[0] = 'N'; c[1] = 'o'; /* \textnumero */
break;
case 0x9F: c[0] = 'S'; c[1] = 'M'; /* \textservicemark */
break;
case 0xA0: c[0] = '{'; break; /* \textlquill */
case 0xA1: c[0] = '}'; break; /* \textrquill */
case 0xA2: c[0] = 'c'; break; /* \textcent */
case 0xA3: c[0] = 'L'; break; /* \textsterling */
case 0xA5: c[0] = 'Y'; break; /* \textyen */
case 0xA6: c[0] = '|'; break; /* \textbrokenbar */
case 0xA7: c[0] = 'S'; break; /* \textsection */
case 0xA9: c[0] = 'C'; break; /* \textcopyright */
case 0xAD: c[0] = 'P'; break; /* \textcircledP */
case 0xAE: c[0] = 'R'; break; /* \textregistered */
case 0xB6: c[0] = 'P'; break; /* \textparagraph */
case 0xB1: c[0] = '+'; c[1] = '-'; /* \textpm */
break;
case 0xBC: c[0] = '1'; c[1] = '/'; /* \textonequarter */
c[2] = '4'; break;
case 0xBD: c[0] = '1'; c[1] = '/'; /* \textonehalf */
c[2] = '2'; break;
case 0xBE: c[0] = '3'; c[1] = '/'; /* \textthreequarters */
c[2] = '4'; break;
case 0xBF: c[0] = 'E'; break; /* \texteuro */
case 0xD6: c[0] = 'x'; break; /* \texttimes */
case 0xF6: c[0] = '/'; break; /* \textdiv */
case 0x30: case 0x31: case 0x32: case 0x33:
case 0x34: case 0x35: case 0x36: case 0x37:
case 0x38: case 0x39: case 0x3A: case 0x3B:
c[0] = ch; break;
/* diacritical marks */
case 0x00: c[0] = '`' ; break; /* grave from \` */
case 0x01: c[0] = latin1 ? 0xb4 : '\''; break;
/* acute from \' */
case 0x02: c[0] = '^' ; break; /* circumflex from \^ */
case 0x03: c[0] = '~' ; break; /* tilde from \~ */
case 0x04: c[0] = '"' ; break; /* diaeresis from \" */
case 0x05: c[0] = '"' ; break; /* double acute from \H */
case 0x06: c[0] = latin1 ? 0xb0 : '~'; break;
/* ring above from \r */
case 0x07: c[0] = '~' ; break; /* caron from \v */
case 0x08: c[0] = '~' ; break; /* breve from \u */
case 0x09: c[0] = '~' ; break; /* macron from \= */
case 0x0a: c[0] = '.' ; break; /* dot from \. */
case 0x0b: c[0] = latin1 ? 0xb8 : ','; break;
/* cedilla from \c */
case 0x0c: c[0] = ',' ; break; /* ogonek from \k */
default : c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* ts1char */
/*
* T2CHAR -- Process a character opcode for a T2A/T2B/T2C/X2 encoding font.
*/
void t2char(char flag, unsigned char ch)
{
unsigned char c[4] = {}, *cc;
const unsigned short *tex_to_ucs;
long ucs;
if (allchar) {
outchar(ch);
return;
}
if (!accent) {
switch (ch) {
case 0x00: /* grave from \` */
case 0x01: /* acute from \' */
case 0x02: /* circumflex from \^ */
case 0x03: /* tilde from \~ */
case 0x04: /* diaeresis from \" */
case 0x05: /* double acute from \H */
case 0x06: /* ring above from \r */
case 0x07: /* caron from \v */
case 0x08: /* breve from \u */
case 0x09: /* macron from \= */
case 0x0a: /* dot from \. */
case 0x0b: /* cedilla from \c */
case 0x0c: /* ogonek from \k */
case 0x12: /* from \f */
case 0x13: /* from \C */
case 0x14: /* breve from \U */
return;
}
}
switch (flag) {
case T2AFONT: tex_to_ucs=t2a_to_ucs; break;
case T2BFONT: tex_to_ucs=t2b_to_ucs; break;
case T2CFONT: tex_to_ucs=t2c_to_ucs; break;
case X2FONT : tex_to_ucs=x2_to_ucs; break;
default : exit; /* not supported */
}
ucs = tex_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 0x49: c[0] = 'I'; break; /* \CYRII */
case 0x69: c[0] = 'i'; break; /* \cyrii */
case 0x4A: c[0] = 'J'; break; /* \CYRJE */
case 0x6A: c[0] = 'j'; break; /* \cyrje */
case 0x51: c[0] = 'Q'; break; /* \CYRQ */
case 0x53: c[0] = 'S'; break; /* \CYRDZE */
case 0x57: c[0] = 'W'; break; /* \CYRW */
case 0x71: c[0] = 'q'; break; /* \cyrq */
case 0x73: c[0] = 's'; break; /* \cyrdze */
case 0x77: c[0] = 'w'; break; /* \cyrw */
case 0x0E: c[0] = '<'; break; /* \cyrlangle */
case 0x0F: c[0] = '>'; break; /* \cyrrangle */
case 0x15: c[0] = '-'; c[1] = '-'; /* \textendash */
break;
case 0x16: c[0] = '-'; c[1] = '-'; /* \textemdash */
c[2] = '-'; break;
case 0x27: /* \textquoteright */
case 0x60: c[0] = '\''; break; /* \textquoteleft */
case 0x10: /* \textquotedblleft */
case 0x11: /* \textquotedblright */
case 0xBD: c[0] = '"'; break; /* \quotedblbase */
case 0x20: c[0] = '_'; break; /* \textvisiblespace */
case 0x17: return; /* \textcompwordmark */
case 0x7E: c[0] = '~'; break; /* \textasciitilde */
case 0x9D: c[0] = 'N'; c[1] = 'o'; /* \textnumero */
break;
case 0x9F: c[0] = 'S'; break; /* \textsection */
case 0xBE: c[0] = '<'; c[1] = '<'; /* \guillemotleft */
break;
case 0xBF: c[0] = '>'; c[1] = '>'; /* \guillemotright */
break;
/* diacritical marks */
case 0x00: c[0] = '`' ; break; /* grave from \` */
case 0x01: c[0] = latin1 ? 0xb4 : '\''; break;
/* acute from \' */
case 0x02: c[0] = '^' ; break; /* circumflex from \^ */
case 0x03: c[0] = '~' ; break; /* tilde from \~ */
case 0x04: c[0] = '"' ; break; /* diaeresis from \" */
case 0x05: c[0] = '"' ; break; /* double acute from \H */
case 0x06: c[0] = latin1 ? 0xb0 : '~'; break;
/* ring above from \r */
case 0x07: c[0] = '~' ; break; /* caron from \v */
case 0x08: c[0] = '~' ; break; /* breve from \u */
case 0x09: c[0] = '~' ; break; /* macron from \= */
case 0x0a: c[0] = '.' ; break; /* dot from \. */
case 0x0b: c[0] = latin1 ? 0xb8 : ','; break;
/* cedilla from \c */
case 0x0c: c[0] = ',' ; break; /* ogonek from \k */
case 0x14: c[0] = '~' ; break; /* breve from \U */
default : c[0] = '#';
}
if (flag != X2FONT) {
switch (ch) {
case 0x19: c[0] = 'i'; break; /* dotless i */
case 0x1A: c[0] = 'j'; break; /* dotless j */
case 0x1B: c[0] = 'f'; c[1] = 'f'; /* ligature */
break;
case 0x1C: c[0] = 'f'; c[1] = 'i'; /* ligature */
break;
case 0x1D: c[0] = 'f'; c[1] = 'l'; /* ligature */
break;
case 0x1E: c[0] = 'f'; c[1] = 'f'; /* ligature */
c[2] = 'i'; break;
case 0x1F: c[0] = 'f'; c[1] = 'f'; /* ligature */
c[2] = 'l'; break;
}
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* t2char */
/*
* OT2CHAR -- Process a character opcode for a OT2 encoding font.
*/
void ot2char(unsigned char ch)
{
unsigned char c[4] = {}, *cc;
long ucs;
if (allchar) {
outchar(ch);
return;
}
if (!accent) {
switch (ch) {
case 0x20: /* diaeresis from \" */
case 0x24: /* breve from \U */
case 0x26: /* acute from \' */
case 0x40: /* breve from \u */
return;
}
}
ucs = ot2_to_ucs[ch];
if (utf8) {
dounichar(ucs);
return;
}
else if ((latin1 && ucs<0x100) || ucs<0x80) {
outchar(ucs);
return;
}
switch (ch) {
case 0x04: c[0] = 'I'; break; /* \CYRII */
case 0x0C: c[0] = 'i'; break; /* \cyrii */
case 0x4A: c[0] = 'J'; break; /* \CYRJE */
case 0x6A: c[0] = 'j'; break; /* \cyrje */
case 0x16: c[0] = 'S'; break; /* \CYRDZE */
case 0x1E: c[0] = 's'; break; /* \cyrdze */
case 0x7B: c[0] = '-'; c[1] = '-'; /* \textendash */
break;
case 0x7C: c[0] = '-'; c[1] = '-'; /* \textemdash */
c[2] = '-'; break;
case 0x7D: c[0] = 'N'; c[1] = 'o'; /* \textnumero */
break;
case 0x3C: c[0] = '<'; c[1] = '<'; /* \guillemotleft */
break;
case 0x3D: c[0] = 'i'; break; /* dotless i */
case 0x3E: c[0] = '>'; c[1] = '>'; /* \guillemotright */
break;
case 0x27: /* \textquoteright */
case 0x60: c[0] = '\''; break; /* \textquoteleft */
case 0x22: /* \textquotedblright */
case 0x5C: c[0] = '"'; break; /* \textquotedblleft */
/* diacritical marks */
case 0x20: c[0] = '"' ; break; /* diaeresis from \" */
case 0x24: c[0] = '~' ; break; /* breve from \u */
case 0x26: c[0] = latin1 ? 0xb4 : '\''; break;
/* acute from \' */
case 0x40: c[0] = '~' ; break; /* breve from \U */
default : c[0] = '#';
}
cc=c;
while (*cc) { outchar(*cc); cc++; }
return;
} /* ot2char */
/*
* OUTCHAR -- Here we put the character into the current page.
*
* This function includes some code to handle Latin1/Scandinavian
* characters. I think that code doesn't belong here. IT
* SHOULD BE MOVED OUT.
*/
void outchar(long ch)
{
register int i, j;
register long dia;
/* fprintf(stderr, "hor: %ld, ver: %ld\n", h, v); */
#if defined(MSDOS) || defined(THINK_C)
if (labs(v - currentline->vv) > lineheight / 2L)
#else
if (abs(v - currentline->vv) > lineheight / 2L)
#endif
currentline = findline();
#if 0
j = (int) (((double) h / (double) maxpagewidth) * (ttywidth-1)) + 1;
#else
j = (int) (h / charwidth);
#endif
if (j > rightmargin) /* leftmargin <= j <= rightmargin */
j = rightmargin;
else if (j < leftmargin)
j = leftmargin;
foo = leftmargin - 1;
/*
* This code does not really belong here ...
*
* The following is very specialized code, it handles national *
* Swe/Fin characters. They are respectively: a and o with two *
* dots ("a & "o) and a with a circle (Oa). In Swe/Fin "ASCII" *
* these characters replace {}|[] and \. TeX outputs these by *
* first issuing the dots or circle and then backspace and set *
* the a or o. When dvi2tty finds an a or o it searches in the *
* near vicinity for the character codes that represent circle *
* or dots and if one is found the corresponding national char *
* replaces the special character codes. *
*/
if (!allchar && compose && scascii) {
if (strchr("aAoO", ch) != NULL) {
for (i = IMAX(leftmargin, j-2);
i <= IMIN(rightmargin, j+2);
i++)
if ((currentline->text[i - leftmargin] == 127) || /* DEL */
(currentline->text[i - leftmargin] == 34) || /* " */
(currentline->text[i - leftmargin] == 23))
foo = i;
if (foo >= leftmargin) {
j = (int) foo;
switch (currentline->text[j - leftmargin]) {
case 127 :
case 34 : /* DEL or " */
if (ch == 'a')
ch = '{'; /* } vi */
else if (ch == 'A') /* dots ... */
ch = '[';
else if (ch == 'o')
ch = '|';
else if (ch == 'O')
ch = '\\';
break;
case 23 : if (ch == 'a')
ch = '}'; /* { vi */
else if (ch == 'A') /* circle */
ch = ']';
break;
}
}
}
}
if (!allchar && compose && (latin1 || utf8)) {
if (strchr("aAeEiIoOuUnCcNYy", ch) != NULL || (ch & MAX_UNICODE) == 0x131) {
for (i = IMAX(leftmargin, j-2);
i <= IMIN(rightmargin, j+2);
i++) {
dia = currentline->text[i - leftmargin] & MAX_UNICODE;
if ((dia == 0x60) || /* grave */
(dia == 0xB0) || /* ring above */
(dia == 0x2DA) || /* ring above */
(dia == 0xB4) || /* acute */
(dia == 0x5E) || /* circumflex */
(dia == 0xA8) || /* diaeresis */
(dia == 0xB8) || /* cedilla */
(dia == 0x7E) || /* tilde */
(dia == 0x2DC)) /* tilde */
foo = i;
}
if (foo >= leftmargin) {
j = (int) foo;
dia = currentline->text[j - leftmargin] & MAX_UNICODE;
switch (dia) {
case 0x60: /* grave */
if (ch == 'a') ch = 0xe0;
else if (ch == 'A') ch = 0xc0;
else if (ch == 'e') ch = 0xe8;
else if (ch == 'E') ch = 0xc8;
else if (ch == 'i') ch = 0xec;
else if ((ch & MAX_UNICODE) == 0x131) ch = 0xec;
else if (ch == 'I') ch = 0xcc;
else if (ch == 'o') ch = 0xf2;
else if (ch == 'O') ch = 0xd2;
else if (ch == 'u') ch = 0xf9;
else if (ch == 'U') ch = 0xd9;
break;
case 0xB0: /* ring above */
case 0x2DA:
if (ch == 'a') ch = 0xe5;
else if (ch == 'A') ch = 0xc5;
break;
case 0xB4: /* acute */
if (ch == 'a') ch = 0xe1;
else if (ch == 'A') ch = 0xc1;
else if (ch == 'e') ch = 0xe9;
else if (ch == 'E') ch = 0xc9;
else if (ch == 'i') ch = 0xed;
else if ((ch & MAX_UNICODE) == 0x131) ch = 0xed;
else if (ch == 'I') ch = 0xcd;
else if (ch == 'o') ch = 0xf3;
else if (ch == 'O') ch = 0xd3;
else if (ch == 'u') ch = 0xfa;
else if (ch == 'U') ch = 0xda;
else if (ch == 'y') ch = 0xfd;
else if (ch == 'Y') ch = 0xdd;
break;
case 0x5E: /* circumflex */
if (ch == 'a') ch = 0xe2;
else if (ch == 'A') ch = 0xc2;
else if (ch == 'e') ch = 0xea;
else if (ch == 'E') ch = 0xca;
else if (ch == 'i') ch = 0xee;
else if ((ch & MAX_UNICODE) == 0x131) ch = 0xee;
else if (ch == 'I') ch = 0xce;
else if (ch == 'o') ch = 0xf4;
else if (ch == 'O') ch = 0xd4;
else if (ch == 'u') ch = 0xfb;
else if (ch == 'U') ch = 0xdb;
break;
case 0xA8: /* diaeresis */
if (ch == 'a') ch = 0xe4;
else if (ch == 'A') ch = 0xc4;
else if (ch == 'e') ch = 0xeb;
else if (ch == 'E') ch = 0xcb;
else if (ch == 'i') ch = 0xef;
else if ((ch & MAX_UNICODE) == 0x131) ch = 0xef;
else if (ch == 'I') ch = 0xcf;
else if (ch == 'o') ch = 0xf6;
else if (ch == 'O') ch = 0xd6;
else if (ch == 'u') ch = 0xfc;
else if (ch == 'U') ch = 0xdc;
else if (ch == 'y') ch = 0xff;
else if (ch == 'Y' && utf8) ch = 0x178;
break;
case 0xB8: /* cedilla */
if (ch == 'c') ch = 0xe7;
else if (ch == 'C') ch = 0xc7; /* It does not seem to work */
break;
case 0x7E: /* tilde */
case 0x2DC:
if (ch == 'a') ch = 0xe3;
else if (ch == 'A') ch = 0xc3;
else if (ch == 'o') ch = 0xf5;
else if (ch == 'O') ch = 0xd5;
else if (ch == 'n') ch = 0xf1;
else if (ch == 'N') ch = 0xd1;
break;
}
if (utf8 && ch>0x7f) ch |= IS_UNICODE;
}
}
}
/*----------------- end of 'latin1 / Scandinavian code' ----------------*/
if (foo == leftmargin-1) {
if (japan) {
while (((currentline->text[j - leftmargin] != SPACE) ||
(kanji1 && (currentline->text[j+kanji1 - leftmargin] != SPACE)))
&& (j < rightmargin)) {
j++;
h += charwidth;
}
} else {
while (j < rightmargin &&
(currentline->text[j - leftmargin] != SPACE)) {
j++;
h += charwidth;
}
}
}
if ( allchar || ((ch >= SPACE) && (ch != DEL)) ||
((latin1 || scascii) && (ch == 23)) ) {
/* ((latin1 || scascii) && (ch == DEL)) ) if VMS ??? */
if (j < rightmargin)
currentline->text[j - leftmargin] = ch;
else
currentline->text[rightmargin - leftmargin] = '@';
if (j > currentline->charactercount)
currentline->charactercount = j;
if (j < firstcolumn)
firstcolumn = j;
}
h += charwidth;
return;
} /* outchar */
/*
* PUTCHARACTER -- Output character, don't change h
*/
void putcharacter(long charnr)
{
register long saveh;
saveh = h;
if (nttj || is8bit)
dochar((unsigned char) charnr);
else if (allchar || ((charnr >= 0) && (charnr <= LASTCHAR)))
outchar((unsigned char) charnr);
else
setchar(charnr);
h = saveh;
return;
} /* putcharacter */
/*
* SETCHAR -- Should print characters with character code>127 from
* current font. Note that the parameter is a dummy, since
* ascii-chars are<=127.
*/
void setchar(long charnr)
{
if (is8bit)
dochar((unsigned char) charnr);
else
outchar((unsigned char)(allchar ? charnr : '#'));
return;
} /* setchar */
static const char *ptex_fontchk[] = {
"min", "goth", "jis",
"hmin", "hgoth", "hmgoth", /* japanese-otf package */
"nmlmin", "nmlgoth", "nmlmgoth",
"hiramin", "hirakaku", "hiramaru",
NULL /* end */
};
static const char *uptex_fontchk[] = {
"umin", "ugoth", "ujis",
"upjis", "upjpn", "upsch", "uptch", "upkor",
"uphmin", "uphgoth", "uphmgoth", /* japanese-otf package */
"upnmlmin", "upnmlgoth", "upnmlmgoth",
"uphiramin", "uphirakaku", "uphiramaru",
NULL /* end */
};
static const char *jtex_fontchk[] = {
"dmj", "dgj",
NULL /* end */
};
static int checkjfont(const char **jfontlist, const char *name)
{
int i, len;
const char *tmpfont;
i=0;
while ( (tmpfont=jfontlist[i]) != NULL ) {
len=strlen(tmpfont);
if ( !strncmp(tmpfont, name, len) ) return 1;
i++;
}
return 0;
} /* checkjfont */
/*
* FONTDEF -- Process a font definition.
*/
void fontdef(int x)
{
register int i;
char * name;
font * fnt;
int namelen;
long fntnum;
int new = 0;
fntnum = num(x);
(void) get4(); /* checksum */
(void) get4(); /* scale */
(void) get4(); /* design */
namelen = (int) get1() + (int) get1();
fnt = fonts;
while (fnt != NULL && fnt->num != fntnum) /* does fontnum exist */
fnt = fnt->next;
if (fnt == NULL) {
if ((fnt = (font *) malloc(sizeof(font))) == NULL) {
perror("fontdef");
exit(1);
}
fnt->num = fntnum;
new = 1;
}
else
free(fnt->name); /* free old name */
if ((name = (char *) malloc((namelen+1) * sizeof(char))) == NULL) {
perror("fontdef");
exit(1);
}
for (i = 0; i < namelen; i++)
name[i] = get1();
name[i] = '\0'; /* properly end string */
fnt->name = name;
if (new) {
fnt->next = fonts;
fonts = fnt;
}
/*
* some magic to learn about font types...
*/
fonts->flags = 0;
fonts->is8bit = FALSE;
if ((asciip == FALSE && nttj == FALSE && uptex == FALSE)
&& (!jdetect) && jautodetect) {
if ( checkjfont(ptex_fontchk, name) ) {
/* Detect as ASCII TeX */
asciip = TRUE;
nttj = uptex = FALSE;
japan = jdetect = TRUE;
fonts->flags |= MIFONT;
set_enc_string (NULL, PTEX_INTERNAL_ENC);
} else if ( checkjfont(uptex_fontchk, name) ) {
/* Detect as upTeX */
uptex = TRUE;
nttj = asciip = FALSE;
japan = jdetect = TRUE;
fonts->flags |= MIFONT;
enable_UPTEX(true);
set_enc_string (NULL, UPTEX_INTERNAL_ENC);
} else if ( checkjfont(jtex_fontchk, name) ) {
/* Detect as NTT JTeX */
nttj = TRUE;
asciip = uptex = FALSE;
japan = jdetect = TRUE;
fonts->flags |= JPFONT;
set_enc_string (NULL, JTEX_INTERNAL_ENC);
}
}
if (nttj)
fonts->fontnum = getjsubfont(name);
else
fonts->fontnum = 0;
if ((strncmp(name, "ec", 2)) == 0) {
fonts->flags = T1FONT;
fonts->is8bit = TRUE;
return;
}
else if ((strncmp(name, "tc", 2)) == 0 ||
(strncmp(name, "ts1", 3)) == 0) {
fonts->flags = TS1FONT;
fonts->is8bit = TRUE;
return;
}
else if ((strncmp(name, "wn", 2)) == 0) {
fonts->flags = OT2FONT;
return;
}
else if ((strncmp(name, "la", 2)) == 0) {
fonts->flags = T2AFONT;
fonts->is8bit = TRUE;
return;
}
else if ((strncmp(name, "lb", 2)) == 0) {
fonts->flags = T2BFONT;
fonts->is8bit = TRUE;
return;
}
else if ((strncmp(name, "lc", 2)) == 0) {
fonts->flags = T2CFONT;
fonts->is8bit = TRUE;
return;
}
else if ((strncmp(name, "rx", 2)) == 0) {
fonts->flags = X2FONT;
fonts->is8bit = TRUE;
return;
}
if ((strstr(name, "sy")) != NULL)
fonts->flags = SYMFONT;
if ((strstr(name, "tt")) != NULL)
fonts->flags = TTFONT;
if ((strstr(name, "mi")) != NULL)
fonts->flags = MIFONT;
return;
} /* fontdef */
#define NJSUBS 33
const char *jsf_names[]={
"sy", "roma", "hira", "kata", "greek", "russian", "keisen",
"ka", "kb", "kc", "kd", "ke", "kf", "kg", "kh", "ki", "kj",
"kk", "kl", "km", "kn", "ko", "kp", "kq", "kr", "ks", "kt",
"ku", "kv", "kw", "kx", "ky", "kz"
};
int getjsubfont(char *s)
{
int jf;
if (strlen(s) > 3 && s[0] == 'd' && (s[1] == 'm' || s[1] == 'g') && s[2] == 'j') {
for (jf = 0; jf < NJSUBS; jf++) {
if (strncmp(&s[3], jsf_names[jf], strlen(jsf_names[jf])) == 0)
return jf+1;
}
}
return 0;
} /* getjsubfont */
/*
* SETFONT -- Switch to specific font. Try to find out if it is a symbol
* font.
* Option -c allchar does not pertain to this portion, so symbols
* are still translated.
*/
void setfont(long fntnum)
{
char * s;
const char * d;
symbolfont = FALSE;
ttfont = FALSE;
mifont = FALSE;
fnt = fonts;
while (fnt != NULL && fnt->num != fntnum)
fnt = fnt->next;
if (fnt == NULL) {
/* error : font not found */
return;
}
if (fnt->fontnum == 0) {
symbolfont = fnt->flags == SYMFONT;
ttfont = fnt->flags == TTFONT;
mifont = fnt->flags == MIFONT;
is8bit = fnt->is8bit;
}
s = fnt->name;
if (printfont) {
d = delim; /* print delim and font name if -b was chosen */
while (*d) {putcharacter(*d); d++;}
while (*s) {putcharacter(*s); s++;}
while (d-- > delim) {putcharacter(*d);}
}
return;
} /* setfont */
void jischar(unsigned long ch)
{
unsigned int Ku, Ten;
compute_jis(fnt->fontnum, (unsigned int) ch, &Ku, &Ten);
kanji1 = 1;
outchar((unsigned char)(Ku+128));
kanji1 = 0;
outchar((unsigned char)(Ten+128));
return;
} /* jischar */
#define kushift(c) c+0x20
#define tenshift(c) c+0x20
void compute_jis(int f, unsigned int c, unsigned int *ku, unsigned int *ten)
{
int n;
if (f <= 7) {
if (f == 1) {
if (c >= 100) {
*ku = kushift(2);
*ten = tenshift(c-100);
}
else {
*ku = kushift(1);
*ten = tenshift(c);
}
}
else if (f == 2) {
*ku = kushift(3);
*ten = tenshift(c-32);
}
else {
*ku = kushift(f+1);
*ten = tenshift(c);
}
}
else if (f <= 19) { /* Daiichi Suijun */
n = (f-8)*256+c;
*ku = kushift((n/94)+16);
*ten = tenshift((n%94)+1);
}
else { /* Daini Suijun */
n = (f-20)*256+c;
*ku = kushift((n/94)+48);
*ten = tenshift((n%94)+1);
}
return;
} /* compute_jis */
/*
* VMS CODE
*/
#if defined(VMS)
long vmsseek(fp,n,dir)
FILE *fp;
long n;
long dir;
{
long k,m,pos,val,oldpos;
struct stat buffer;
for (;;) { /* loops only once or twice */
switch (dir) {
case 0: /* from BOF */
oldpos = vms_ftell(fp);
k = n & 511;
m = n >> 9;
if (((*fp)->_cnt) && ((oldpos >> 9) == m)) {
val = 0; /* still in */
(*fp)->_ptr = ((*fp)->_base) + k;
(*fp)->_cnt = 512 - k;
}
else {
val = fseek(fp, m << 9, 0);
if (val == 0) {
(*fp)->_cnt = 0;
(void) fgetc(fp);
(*fp)->_ptr = ((*fp)->_base) + k;
(*fp)->_cnt = 512 - k;
}
}
return(val);
case 1: pos = vms_ftell(fp);
if (pos == EOF)
return (EOF);
n += pos;
dir = 0;
break;
case 2: val = fstat(fileno(fp), &buffer);
if (val == EOF)
return (EOF);
n += buffer.st_size - 1;
dir = 0;
break;
default : return (EOF);
}
}
/* NOTREACHED */
} /* vmsseek */
long vms_ftell(fp)
FILE *fp;
{
char c;
long pos;
long val;
if ((*fp)->_cnt == 0) {
c = fgetc(fp);
val = vms_ungetc(c, fp);
if (val != c)
return (EOF);
}
pos = ftell(fp);
if (pos >= 0)
pos += ((*fp)->_ptr) - ((*fp)->_base);
return (pos);
} /* vms_ftell */
long vms_ungetc(c,fp)
char c;
FILE *fp;
{
if ((c == EOF) && feof(fp))
return (EOF);
if ((*fp)->_cnt >= 512)
return (EOF);
(*fp)->_cnt++;
(*fp)->_ptr--;
*((*fp)->_ptr) = c;
return (c);
} /*vms_ungetc */
#endif
