home *** CD-ROM | disk | FTP | other *** search
- /*
- * This program converts AFM files to TeX TFM files, and optionally
- * to TeX VPL files that retain all kerning and ligature information.
- * Both files make the characters not normally encoded by TeX available
- * by character codes greater than 127.
- */
-
- /* (Modified by Don Knuth from Tom Rokicki's pre-VPL version.) */
- /* VM/CMS port by J. Hafner (hafner@almaden.ibm.com), based on
- * the port by Alessio Guglielmi (guglielmi@ipisnsib.bitnet)
- * and Marco Prevedelli (prevedelli@ipisnsva.bitnet).
- * This port is still in test state. No guarantees.
- * 11/3/92: more corrections to VM/CMS port. Now it looks correct
- * and will be supported by J. Hafner.
- *
- */
-
- #include "config.h"
- #include <kpathsea/c-ctype.h>
-
- /* JLH: added these to make the code easier to read and remove some
- ascii<->ebcdic dependencies */
- #define ASCII_A 65
- #define ASCII_Z 90
- #define ASCII_a 97
- #define ASCII_z 122
- #define ASCII_0 48
- #define ASCII_9 57
-
- #ifdef VMCMS
- #define interesting lookstr /* for 8 character truncation conflicts */
- #include "dvipscms.h"
- extern FILE *cmsfopen() ;
- extern char ebcdic2ascii[] ;
- extern char ascii2ebcdic[] ;
- #ifdef fopen
- #undef fopen
- #endif
- #define fopen cmsfopen
- #endif
-
- #if (defined(MSDOS) && defined(__TURBOC__)) || (defined(OS2) && defined(_MSC_VER))
- #define SMALLMALLOC
- #endif
-
- struct encoding {
- char *name ;
- char *vec[256] ;
- } ;
- struct encoding staticencoding = {
- "TeX text",
- {"Gamma", "Delta", "Theta", "Lambda", "Xi", "Pi", "Sigma",
- "Upsilon", "Phi", "Psi", "Omega", "arrowup", "arrowdown", "quotesingle",
- "exclamdown", "questiondown", "dotlessi", "dotlessj", "grave", "acute",
- "caron", "breve", "macron", "ring", "cedilla", "germandbls", "ae", "oe",
- "oslash", "AE", "OE", "Oslash", "space", "exclam", "quotedbl", "numbersign",
- "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright",
- "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one",
- "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon",
- "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C",
- "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
- "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash",
- "bracketright", "circumflex", "underscore", "quoteleft", "a", "b", "c", "d",
- "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
- "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright",
- "tilde", "dieresis", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
- "", "", "", "", "", "", "" } } ;
- /*
- * It's easier to put this in static storage and parse it as we go
- * than to build the structures ourselves.
- */
- char *staticligkern[] = {
- "% LIGKERN space l =: lslash ; space L =: Lslash ;",
- "% LIGKERN question quoteleft =: questiondown ;",
- "% LIGKERN exclam quoteleft =: exclamdown ;",
- "% LIGKERN hyphen hyphen =: endash ; endash hyphen =: emdash ;",
- "% LIGKERN quoteleft quoteleft =: quotedblleft ;",
- "% LIGKERN quoteright quoteright =: quotedblright ;",
- "% LIGKERN space {} * ; * {} space ; zero {} * ; * {} zero ;",
- "% LIGKERN one {} * ; * {} one ; two {} * ; * {} two ;",
- "% LIGKERN three {} * ; * {} three ; four {} * ; * {} four ;",
- "% LIGKERN five {} * ; * {} five ; six {} * ; * {} six ;",
- "% LIGKERN seven {} * ; * {} seven ; eight {} * ; * {} eight ;",
- "% LIGKERN nine {} * ; * {} nine ;",
- /*
- * These next are only included for deficient afm files that
- * have the lig characters but not the lig commands.
- */
- "% LIGKERN f i =: fi ; f l =: fl ; f f =: ff ; ff i =: ffi ;",
- "% LIGKERN ff l =: ffl ;",
- 0 } ;
- /*
- * The above layout corresponds to TeX Typewriter Type and is compatible
- * with TeX Text because the position of ligatures is immaterial.
- */
- struct encoding *outencoding = 0 ;
- struct encoding *inencoding = 0 ;
- char *outenname, *inenname ;/* the file names for input and output encodings */
- int boundarychar = -1 ; /* the boundary character */
- int ignoreligkern ; /* do we look at ligkern info in the encoding? */
- /*
- * This is what we store Adobe data in.
- */
- struct adobeinfo {
- struct adobeinfo *next ;
- int adobenum, texnum, width ;
- char *adobename ;
- int llx, lly, urx, ury ;
- struct lig *ligs ;
- struct kern *kerns ;
- struct pcc *pccs ;
- int wptr, hptr, dptr, iptr ;
- } *adobechars, *adobeptrs[256], *texptrs[256],
- *uppercase[256], *lowercase[256] ;
- int nexttex[256] ; /* for characters encoded multiple times in output */
- /*
- * These are the eight ligature ops, in VPL terms and in METAFONT terms.
- */
- char *vplligops[] = {
- "LIG", "/LIG", "/LIG>", "LIG/", "LIG/>", "/LIG/", "/LIG/>", "/LIG/>>", 0
- } ;
- char *encligops[] = {
- "=:", "|=:", "|=:>", "=:|", "=:|>", "|=:|", "|=:|>", "|=:|>>", 0
- } ;
- struct lig {
- struct lig *next ;
- char *succ, *sub ;
- short op, boundleft ;
- } ;
- struct kern {
- struct kern *next ;
- char *succ ;
- int delta ;
- } ;
- struct pcc {
- struct pcc *next ;
- char * partname ;
- int xoffset, yoffset ;
- } ;
-
- FILE *afmin, *vplout, *tfmout ;
- char inname[200], outname[200] ; /* names of input and output files */
- char buffer[255]; /* input buffer (modified while parsing) */
- char obuffer[255] ; /* unmodified copy of input buffer */
- char *param ; /* current position in input buffer */
- char *fontname = "Unknown" ;
- char *codingscheme = "Unspecified" ;
- #ifdef VMCMS
- char *ebfontname ;
- char *ebcodingscheme ;
- #endif
- float italicangle = 0.0 ;
- char fixedpitch ;
- char makevpl ;
- char pedantic ;
- int xheight = 400 ;
- int fontspace ;
- int bc, ec ;
- long cksum ;
- float efactor = 1.0, slant = 0.0 ;
- float capheight = 0.8 ;
- char *efactorparam, *slantparam ;
- double newslant ;
- char titlebuf[500] ;
-
- void
- error(s)
- register char *s ;
- {
- (void)fprintf(stderr, "%s\n", s) ;
- if (obuffer[0]) {
- (void)fprintf(stderr, "%s\n", obuffer) ;
- while (param > buffer) {
- (void)fprintf(stderr, " ") ;
- param-- ;
- }
- (void)fprintf(stderr, "^\n") ;
- }
- if (*s == '!')
- exit(1) ;
- }
-
- int
- transform(x,y)
- register int x,y ;
- {
- register double acc ;
- acc = efactor * x + slant *y ;
- return (int)(acc>=0? floor(acc+0.5) : ceil(acc-0.5) ) ;
- }
-
- int
- getline() {
- register char *p ;
- register int c ;
-
- param = buffer ;
- for (p=buffer; (c=getc(afmin)) != EOF && c != '\n';)/* changed 10 to '\n' */
- *p++ = c ;
- *p = 0 ;
- (void)strcpy(obuffer, buffer) ;
- if (p == buffer && c == EOF)
- return(0) ;
- else
- return(1) ;
- }
-
- char *interesting[] = { "FontName", "ItalicAngle", "IsFixedPitch",
- "XHeight", "C", "KPX", "CC", "EncodingScheme", NULL} ;
- #define FontName (0)
- #define ItalicAngle (1)
- #define IsFixedPitch (2)
- #define XHeight (3)
- #define C (4)
- #define KPX (5)
- #define CC (6)
- #define EncodingScheme (7)
- #define NONE (-1)
- int
- interest(s)
- char *s ;
- {
- register char **p ;
- register int n ;
-
- for (p=interesting, n=0; *p; p++, n++)
- if (strcmp(s, *p)==0)
- return(n) ;
- return(NONE) ;
- }
-
- char *
- mymalloc(len)
- unsigned long len ;
- {
- register char *p ;
- int i ;
-
- #ifdef SMALLMALLOC
- if (len > 65500L)
- error("! can't allocate more than 64K!") ;
- #endif
- p = malloc((unsigned)len) ;
- if (p==NULL)
- error("! out of memory") ;
- for (i=0; i<len; i++)
- p[i] = 0 ;
- return(p) ;
- }
-
- char *
- newstring(s)
- char *s ;
- {
- char *q = mymalloc((unsigned long)(strlen(s) + 1)) ;
- (void)strcpy(q, s) ;
- return q ;
- }
-
- char *
- paramnewstring() {
- register char *p, *q ;
-
- p = param ;
- while (*p > ' ')
- p++ ;
- if (*p != 0)
- *p++ = 0 ;
- q = newstring(param) ;
- while (*p && *p <= ' ')
- p++ ;
- param = p ;
- return(q) ;
- }
-
- char *
- paramstring() {
- register char *p, *q ;
-
- p = param ;
- while (*p > ' ')
- p++ ;
- q = param ;
- if (*p != 0)
- *p++ = 0 ;
- while (*p && *p <= ' ')
- p++ ;
- param = p ;
- return(q) ;
- }
-
- int
- paramnum() {
- register char *p ;
- int i ;
-
- p = paramstring() ;
- if (sscanf(p, "%d", &i) != 1)
- error("! integer expected") ;
- return(i) ;
- }
-
- float
- paramfloat() {
- register char *p ;
- float i ;
-
- p = paramstring() ;
- if (sscanf(p, "%f", &i) != 1)
- error("! number expected") ;
- return(i) ;
- }
-
- struct adobeinfo *
- newchar() {
- register struct adobeinfo *ai ;
-
- ai = (struct adobeinfo *)mymalloc((unsigned long)sizeof(struct adobeinfo)) ;
- ai->adobenum = -1 ;
- ai->texnum = -1 ;
- ai->width = -1 ;
- ai->adobename = NULL ;
- ai->llx = -1 ;
- ai->lly = -1 ;
- ai->urx = -1 ;
- ai->ury = -1 ;
- ai->ligs = NULL ;
- ai->kerns = NULL ;
- ai->pccs = NULL ;
- ai->next = adobechars ;
- adobechars = ai ;
- return(ai) ;
- }
-
- struct kern *
- newkern() {
- register struct kern *nk ;
-
- nk = (struct kern *)mymalloc((unsigned long)sizeof(struct kern)) ;
- nk->next = NULL ;
- nk->succ = NULL ;
- nk->delta = 0 ;
- return(nk) ;
- }
-
- struct pcc *
- newpcc() {
- register struct pcc *np ;
-
- np = (struct pcc *)mymalloc((unsigned long)sizeof(struct pcc)) ;
- np->next = NULL ;
- np->partname = NULL ;
- np->xoffset = 0 ;
- np->yoffset = 0 ;
- return(np) ;
- }
-
- struct lig *
- newlig() {
- register struct lig *nl ;
-
- nl = (struct lig *)mymalloc((unsigned long)sizeof(struct lig)) ;
- nl->next = NULL ;
- nl->succ = NULL ;
- nl->sub = NULL ;
- nl->op = 0 ; /* the default =: op */
- nl->boundleft = 0 ;
- return(nl) ;
- }
-
- void
- expect(s)
- char *s ;
- {
- if (strcmp(paramstring(), s) != 0) {
- (void)fprintf(stderr, "%s expected: ", s) ;
- error("! syntax error") ;
- }
- }
-
- void
- handlechar() { /* an input line beginning with C */
- register struct adobeinfo *ai ;
- register struct lig *nl ;
-
- ai = newchar() ;
- ai->adobenum = paramnum() ;
- expect(";") ;
- expect("WX") ;
- ai->width = transform(paramnum(),0) ;
- if (ai->adobenum >= 0 && ai->adobenum < 256) {
- adobeptrs[ai->adobenum] = ai ;
- }
- expect(";") ;
- expect("N") ;
- ai->adobename = paramnewstring() ;
- expect(";") ;
- expect("B") ;
- ai->llx = paramnum() ;
- ai->lly = paramnum() ;
- ai->llx = transform(ai->llx, ai->lly) ;
- ai->urx = paramnum() ;
- ai->ury = paramnum() ;
- ai->urx = transform(ai->urx, ai->ury) ;
- /* We need to avoid negative heights or depths. They break accents in
- math mode, among other things. */
- if (ai->lly > 0)
- ai->lly = 0 ;
- if (ai->ury < 0)
- ai->ury = 0 ;
- expect(";") ;
- /* Now look for ligatures (which aren't present in fixedpitch fonts) */
- while (*param == 'L' && !fixedpitch) {
- expect("L") ;
- nl = newlig() ;
- nl->succ = paramnewstring() ;
- nl->sub = paramnewstring() ;
- nl->next = ai->ligs ;
- ai->ligs = nl ;
- expect(";") ;
- }
- }
-
- struct adobeinfo *
- findadobe(p)
- char *p ;
- {
- register struct adobeinfo *ai ;
-
- for (ai=adobechars; ai; ai = ai->next)
- if (strcmp(p, ai->adobename)==0)
- return(ai) ;
- return(NULL) ;
- }
-
-
- /*
- * The following comment no longer applies; we rely on the LIGKERN
- * entries to kill space kerns. Also, the same applies to numbers.
- *
- * We ignore kerns before and after space characters, because (1) TeX
- * is using the space only for Polish ligatures, and (2) TeX's
- * boundarychar mechanisms are not oriented to kerns (they apply
- * to both spaces and punctuation) so we don't want to use them.
- */
- void
- handlekern() { /* an input line beginning with KPX */
- register struct adobeinfo *ai ;
- register char *p ;
- register struct kern *nk ;
-
- p = paramstring() ;
- ai = findadobe(p) ;
- if (ai == NULL)
- error("kern char not found") ;
- else {
- nk = newkern() ;
- nk->succ = paramnewstring() ;
- nk->delta = transform(paramnum(),0) ;
- nk->next = ai->kerns ;
- ai->kerns = nk ;
- }
- }
-
- void
- handleconstruct() { /* an input line beginning with CC */
- register struct adobeinfo *ai ;
- register char *p ;
- register struct pcc *np ;
- register int n ;
- struct pcc *npp = NULL;
-
- p = paramstring() ;
- ai = findadobe(p) ;
- if (ai == NULL)
- error("! composite character name not found") ;
- n = paramnum() ;
- expect(";") ;
- while (n--) {
- if (strcmp(paramstring(),"PCC") != 0) return ;
- /* maybe I should expect("PCC") instead, but I'm playing it safe */
- np = newpcc() ;
- np->partname = paramnewstring() ;
- if (findadobe(np->partname)==NULL) return ;
- np->xoffset = paramnum() ;
- np->yoffset = paramnum() ;
- np->xoffset = transform(np->xoffset, np->yoffset) ;
- if (npp) npp->next = np ;
- else ai->pccs = np ;
- npp = np ;
- expect(";") ;
- }
- }
-
- struct encoding *readencoding() ;
-
- void
- makeaccentligs() {
- register struct adobeinfo *ai, *aci ;
- register char *p ;
- register struct lig *nl ;
- for (ai=adobechars; ai; ai=ai->next) {
- p = ai->adobename ;
- if (strlen(p)>2)
- if ((aci=findadobe(p+1)) && (aci->adobenum > 127)) {
- nl = newlig() ;
- nl->succ = mymalloc((unsigned long)2) ;
- *(nl->succ + 1) = 0 ;
- *(nl->succ) = *p ;
- nl->sub = ai->adobename ;
- nl->next = aci->ligs ;
- aci->ligs = nl ;
- }
- }
- }
-
- void
- readadobe() {
- struct adobeinfo *ai ;
- #ifdef VMCMS
- int i;
- #endif
-
- /*
- * We allocate a placeholder boundary char.
- */
- ai = newchar() ;
- ai->adobenum = -1 ;
- ai->adobename = "||" ; /* boundary character name */
- while (getline()) {
- switch(interest(paramstring())) {
- case FontName:
- fontname = paramnewstring() ;
- #ifdef VMCMS
- /* fontname comes in as ebcdic but we need it asciified for tfm file
- so we save it in ebfontname and change it in fontname */
- ebfontname = newstring(fontname) ;
- i=0;
- while(fontname[i] != '\0') {
- fontname[i]=ebcdic2ascii[fontname[i]];
- i++;
- };
- #endif
- break ;
- case EncodingScheme:
- codingscheme = paramnewstring() ;
- #ifdef VMCMS
- /* for codingscheme, we do the same as we did for fontname */
- ebcodingscheme = newstring(codingscheme) ;
- i=0;
- while(codingscheme[i] != '\0') {
- codingscheme[i]=ebcdic2ascii[codingscheme[i]];
- i++;
- }
- #endif
- break ;
- case ItalicAngle:
- italicangle = paramfloat() ;
- break ;
- case IsFixedPitch:
- if (*param == 't' || *param == 'T')
- fixedpitch = 1 ;
- else
- fixedpitch = 0 ;
- break ;
- case XHeight:
- xheight = paramnum() ;
- break ;
- case C:
- handlechar() ;
- break ;
- case KPX:
- handlekern() ;
- break ;
- case CC:
- handleconstruct() ;
- break ;
- default:
- break ;
- }
- }
- fclose(afmin) ;
- afmin = 0 ;
- }
- /*
- * Re-encode the adobe font. Assumes that the header file will
- * also contain the appropriate instructions!
- */
- void
- handlereencoding() {
- if (inenname) {
- int i ;
- struct adobeinfo *ai ;
- char *p ;
-
- ignoreligkern = 1 ;
- inencoding = readencoding(inenname) ;
- for (i=0; i<256; i++)
- if (0 != (ai=adobeptrs[i])) {
- ai->adobenum = -1 ;
- adobeptrs[i] = NULL ;
- }
- for (i=0; i<256; i++) {
- p = inencoding->vec[i] ;
- if (p && *p && 0 != (ai = findadobe(p))) {
- ai->adobenum = i ;
- adobeptrs[i] = ai ;
- }
- }
- codingscheme = inencoding->name ;
- }
- ignoreligkern = 0 ;
- if (outenname) {
- outencoding = readencoding(outenname) ;
- } else {
- outencoding = readencoding((char *)0) ;
- }
- }
-
- /*
- * This routine reverses a list. We use it because we accumulate the
- * adobeinfo list in reverse order, but when we go to map the
- * characters, we would prefer to use the original ordering. It just
- * makes more sense.
- */
- struct adobeinfo *revlist(p)
- struct adobeinfo *p ;
- {
- struct adobeinfo *q = 0, *t ;
-
- while (p) {
- t = p->next ;
- p->next = q ;
- q = p ;
- p = t ;
- }
- return (void *)q ;
- }
-
- void
- assignchars() {
- register char **p ;
- register int i, j ;
- register struct adobeinfo *ai, *pai ;
- int nextfree = 128 ;
- struct pcc *pcp ;
-
- /*
- * First, we assign all those that match perfectly.
- */
- for (i=0, p=outencoding->vec; i<256; i++, p++)
- if ((ai=findadobe(*p)) && (ai->adobenum >= 0 || ai->pccs != NULL)) {
- if (ai->texnum >= 0)
- nexttex[i] = ai->texnum ; /* linked list */
- ai->texnum = i ;
- texptrs[i] = ai ;
- }
- if (pedantic)
- return ;
- /*
- * Next, we assign all the others, retaining the adobe positions, possibly
- * multiply assigning characters. Unless the output encoding was
- * precisely specified.
- */
- for (ai=adobechars; ai; ai=ai->next)
- if (ai->adobenum >= 0 && ai->texnum < 0 && texptrs[ai->adobenum]==0) {
- ai->texnum = ai->adobenum ;
- texptrs[ai->adobenum] = ai ;
- }
- /*
- * Finally, we map all remaining characters into free locations beginning
- * with 128, if we know how to construct those characters. We need to
- * make sure the component pieces are mapped.
- */
- adobechars = revlist(adobechars) ;
- for (ai=adobechars; ai; ai=ai->next)
- if (ai->texnum<0 && (ai->adobenum>=0 || ai->pccs != NULL)) {
- while (texptrs[nextfree]) {
- nextfree=(nextfree+1)&255 ;
- if (nextfree==128) goto finishup ; /* all slots full */
- }
- ai->texnum = nextfree ;
- texptrs[nextfree] = ai ;
- }
- finishup:
- /*
- * We now check all of the composite characters. If any of the
- * components are not mapped, we unmap the composite character.
- */
- for (i=0; i<256; i++) {
- ai = texptrs[i] ;
- if (ai && ai->pccs != NULL && ai->texnum >= 0) {
- for (pcp = ai->pccs; pcp; pcp = pcp->next) {
- pai = findadobe(pcp->partname) ;
- if (pai == NULL || pai->texnum < 0) {
- texptrs[ai->texnum] = 0 ;
- ai->texnum = -1 ;
- break ;
- }
- }
- }
- }
- /*
- * Now, if any of the characters are encoded multiple times, we want
- * ai->texnum to be the first one assigned, since that is most likely
- * to be the most important one. So we reverse the above lists.
- */
- for (ai=adobechars; ai; ai=ai->next)
- if (ai->texnum >= 0) {
- j = -1 ;
- while (nexttex[ai->texnum] >= 0) {
- i = nexttex[ai->texnum] ;
- nexttex[ai->texnum] = j ;
- j = ai->texnum ;
- ai->texnum = i ;
- }
- nexttex[ai->texnum] = j ;
- }
- }
-
- void
- upmap() { /* Compute uppercase mapping, when making a small caps font */
- register struct adobeinfo *ai, *Ai ;
- register char *p, *q ;
- register struct pcc *np, *nq ;
- int i ;
- char lwr[50] ;
-
- /* JLH: changed some lines below to be ascii<->ebcdic independent
- any reason we don't use 'isupper'?.
- Looks like we should use isupper to me --karl. */
- for (Ai=adobechars; Ai; Ai=Ai->next) {
- p = Ai->adobename ;
- if (isupper (*p)) {
- q = lwr ;
- for (; *p; p++)
- *q++ = TOLOWER (*p);
- *q = '\0'; /* changed this too! */
-
- if (0 != (ai=findadobe(lwr))) {
- for (i = ai->texnum; i >= 0; i = nexttex[i])
- uppercase[i] = Ai ;
- for (i = Ai->texnum; i >= 0; i = nexttex[i])
- lowercase[i] = ai ;
- }
- }
- }
- /* Note that, contrary to the normal true/false conventions,
- * uppercase[i] is NULL and lowercase[i] is non-NULL when i is the
- * ASCII code of an uppercase letter; and vice versa for lowercase letters */
-
- if (0 != (ai=findadobe("germandbls")))
- if (0 != (Ai=findadobe("S"))) { /* we also construct SS */
- for (i=ai->texnum; i >= 0; i = nexttex[i])
- uppercase[i] = ai ;
- ai->adobenum = -1 ;
- ai->width = Ai->width << 1 ;
- ai->llx = Ai->llx ;
- ai->lly = Ai->lly ;
- ai->urx = Ai->width + Ai->urx ;
- ai->ury = Ai->ury ;
- ai->kerns = Ai->kerns ;
- np = newpcc() ;
- np->partname = "S" ;
- nq = newpcc() ;
- nq->partname = "S" ;
- nq->xoffset = Ai->width ;
- np->next = nq ;
- ai->pccs = np ;
- }
- if ((ai=findadobe("dotlessi")))
- for (i=ai->texnum; i >= 0; i = nexttex[i])
- uppercase[i] = findadobe("I") ;
- if ((ai=findadobe("dotlessj")))
- for (i=ai->texnum; i >= 0; i = nexttex[i])
- uppercase[i] = findadobe("J") ;
- }
- /* The logic above seems to work well enough, but it leaves useless characters
- * like `fi' and `fl' in the font if they were present initially,
- * and it omits characters like `dotlessj' if they are absent initially */
-
- /* Now we turn to computing the TFM file */
-
- int lf, lh, nw, nh, nd, ni, nl, nk, ne, np ;
-
- void
- write16(what)
- register short what ;
- {
- (void)fputc(what >> 8, tfmout) ;
- (void)fputc(what & 255, tfmout) ;
- }
-
- void
- writearr(p, n)
- register long *p ;
- register int n ;
- {
- while (n) {
- write16((short)(*p >> 16)) ;
- write16((short)(*p & 65535)) ;
- p++ ;
- n-- ;
- }
- }
-
- void
- makebcpl(p, s, n)
- register long *p ;
- register char *s ;
- register int n ;
- {
- register long t ;
- register long sc ;
-
- if (strlen(s) < n)
- n = strlen(s) ;
- t = ((long)n) << 24 ;
- sc = 16 ;
- while (n > 0) {
- t |= ((long)(*(unsigned char *)s++)) << sc ;
- sc -= 8 ;
- if (sc < 0) {
- *p++ = t ;
- t = 0 ;
- sc = 24 ;
- }
- n-- ;
- }
- *p++ = t ;
- }
-
- int source[257] ;
- int unsort[257] ;
-
- /*
- * Next we need a routine to reduce the number of distinct dimensions
- * in a TFM file. Given an array what[0]...what[oldn-1], we want to
- * group its elements into newn clusters, in such a way that the maximum
- * difference between elements of a cluster is as small as possible.
- * Furthermore, what[0]=0, and this value must remain in a cluster by
- * itself. Data such as `0 4 6 7 9' with newn=3 shows that an iterative
- * scheme in which 6 is first clustered with 7 will not work. So we
- * borrow a neat algorithm from METAFONT to find the true optimum.
- * Memory location what[oldn] is set to 0x7fffffffL for convenience.
- */
- long nextd ; /* smallest value that will give a different mincover */
- int
- mincover(what,d) /* tells how many clusters result, given max difference d */
- register long d ;
- long *what ;
- {
- register int m ;
- register long l ;
- register long *p ;
-
- nextd = 0x7fffffffL ;
- p = what+1 ;
- m = 1 ;
- while (*p<0x7fffffffL) {
- m++ ;
- l = *p ;
- while (*++p <= l+d) ;
- if (*p-l < nextd) nextd = *p-l ;
- }
- return (m) ;
- }
-
- void
- remap(what, oldn, newn)
- long *what ;
- int oldn, newn ;
- {
- register int i, j ;
- register long d, l ;
-
- what[oldn] = 0x7fffffffL ;
- for (i=oldn-1; i>0; i--) {
- d = what[i] ;
- for (j=i; what[j+1]<d; j++) {
- what[j] = what[j+1] ;
- source[j] = source[j+1] ;
- }
- what[j] = d ;
- source[j] = i ;
- } /* Tom, don't let me ever catch you using bubblesort again! -- Don */
-
- i = mincover(what, 0L) ;
- d = nextd ;
- while (mincover(what,d+d)>newn) d += d ;
- while (mincover(what,d)>newn) d = nextd ;
-
- i = 1 ;
- j = 0 ;
- while (i<oldn) {
- j++ ;
- l = what[i] ;
- unsort[source[i]] = j ;
- while (what[++i] <= l+d) {
- unsort[source[i]] = j ;
- if (i-j == oldn-newn) d = 0 ;
- }
- what[j] = (l+what[i-1])/2 ;
- }
- }
-
- long checksum() {
- int i ;
- long s1 = 0, s2 = 0 ;
- char *p ;
- struct adobeinfo *ai ;
-
- for (i=0; i<256; i++)
- if (0 != (ai=adobeptrs[i])) {
- s1 = (s1 << 1) ^ ai->width ;
- for (p=ai->adobename; *p; p++)
- #ifndef VMCMS
- s2 = (s2 * 3) + *p ;
- #else
- s2 = (s2 * 3) + ebcdic2ascii[*p] ;
- #endif
- }
- s1 = (s1 << 1) ^ s2 ;
- return s1 ;
- }
-
- /*
- * The next routine simply scales something.
- * Input is in 1000ths of an em. Output is in FIXFACTORths of 1000.
- */
- #define FIXFACTOR (0x100000L) /* 2^{20}, the unit fixnum */
- long
- scale(what)
- long what ;
- {
- return(((what / 1000) << 20) +
- (((what % 1000) << 20) + 500) / 1000) ;
- }
-
- long *header, *charinfo, *width, *height, *depth, *ligkern, *kern, *tparam,
- *italic ;
- long *tfmdata ;
-
- void
- buildtfm() {
- register int i, j ;
- register struct adobeinfo *ai ;
-
- header = tfmdata ;
- cksum = checksum() ;
- header[0] = cksum ;
- header[1] = 0xa00000 ; /* 10pt design size */
- makebcpl(header+2, codingscheme, 39) ;
- makebcpl(header+12, fontname, 19) ;
- lh = 17 ;
- charinfo = header + lh ;
-
- for (i=0; i<256 && adobeptrs[i]==NULL; i++) ;
- bc = i ;
- for (i=255; i>=0 && adobeptrs[i]==NULL; i--) ;
- ec = i;
- if (ec < bc)
- error("! no Adobe characters") ;
-
- width = charinfo + (ec - bc + 1) ;
- width[0] = 0 ;
- nw++ ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i])) {
- width[nw]=ai->width ;
- for (j=1; width[j]!=ai->width; j++) ;
- ai->wptr = j ;
- if (j==nw)
- nw++ ;
- }
- if (nw>256)
- error("! 256 chars with different widths") ;
- depth = width + nw ;
- depth[0] = 0 ;
- nd = 1 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i])) {
- depth[nd] = -ai->lly ;
- for (j=0; depth[j]!=-ai->lly; j++) ;
- ai->dptr = j ;
- if (j==nd)
- nd++ ;
- }
- if (nd > 16) {
- remap(depth, nd, 16) ;
- nd = 16 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i]))
- ai->dptr = unsort[ai->dptr] ;
- }
- height = depth + nd ;
- height[0] = 0 ;
- nh = 1 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i])) {
- height[nh]=ai->ury ;
- for (j=0; height[j]!=ai->ury; j++) ;
- ai->hptr = j ;
- if (j==nh)
- nh++ ;
- }
- if (nh > 16) {
- remap(height, nh, 16) ;
- nh = 16 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i]))
- ai->hptr = unsort[ai->hptr] ;
- }
- italic = height + nh ;
- italic[0] = 0 ;
- ni = 1 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i])) {
- italic[ni] = ai->urx - ai->width ;
- if (italic[ni]<0)
- italic[ni] = 0 ;
- for (j=0; italic[j]!=italic[ni]; j++) ;
- ai->iptr = j ;
- if (j==ni)
- ni++ ;
- }
- if (ni > 64) {
- remap(italic, ni, 64) ;
- ni = 64 ;
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i]))
- ai->iptr = unsort[ai->iptr] ;
- }
-
- for (i=bc; i<=ec; i++)
- if (0 != (ai=adobeptrs[i]))
- charinfo[i-bc] = ((long)(ai->wptr)<<24) +
- ((long)(ai->hptr)<<20) +
- ((long)(ai->dptr)<<16) +
- ((long)(ai->iptr)<<10) ;
-
- ligkern = italic + ni ;
- nl = 0 ; /* ligatures and kerns omitted from raw Adobe font */
- kern = ligkern + nl ;
- nk = 0 ;
-
- newslant = (double)slant - efactor * tan(italicangle*(3.1415926535/180.0)) ;
- tparam = kern + nk ;
- tparam[0] = (long)(FIXFACTOR * newslant + 0.5) ;
- tparam[1] = scale((long)fontspace) ;
- tparam[2] = (fixedpitch ? 0 : scale((long)(300*efactor+0.5))) ;
- tparam[3] = (fixedpitch ? 0 : scale((long)(100*efactor+0.5))) ;
- tparam[4] = scale((long)xheight) ;
- tparam[5] = scale((long)(1000*efactor+0.5)) ;
- np = 6 ;
- }
-
- void
- writesarr(what, len)
- long *what ;
- int len ;
- {
- register long *p ;
- int i ;
-
- p = what ;
- i = len ;
- while (i) {
- *p = scale(*p) ;
- (void)scale(*p) ; /* need this kludge for some compilers */
- p++ ;
- i-- ;
- }
- writearr(what, len) ;
- }
-
- void
- writetfm() {
- lf = 6 + lh + (ec - bc + 1) + nw + nh + nd + ni + nl + nk + ne + np ;
- write16(lf) ;
- write16(lh) ;
- write16(bc) ;
- write16(ec) ;
- write16(nw) ;
- write16(nh) ;
- write16(nd) ;
- write16(ni) ;
- write16(nl) ;
- write16(nk) ;
- write16(ne) ;
- write16(np) ;
- writearr(header, lh) ;
- writearr(charinfo, ec-bc+1) ;
- writesarr(width, nw) ;
- writesarr(height, nh) ;
- writesarr(depth, nd) ;
- writesarr(italic, ni) ;
- writearr(ligkern, nl) ;
- writesarr(kern, nk) ;
- writearr(tparam, np) ;
- }
-
- /* OK, the TFM file is done! Now for our next trick, the VPL file. */
-
- /* For TeX we want to compute a character height that works properly
- * with accents. The following list of accents doesn't need to be complete. */
- /*
- * We only do this if the xheight has a reasonable value.
- * (>50)
- */
- char *accents[] = { "acute", "tilde", "caron", "dieresis", NULL} ;
- int
- texheight(ai)
- register struct adobeinfo *ai ;
- {
- register char **p;
- register struct adobeinfo *aci, *acci ;
- if (xheight <= 50 || *(ai->adobename + 1)) return (ai->ury) ;
- /* that was the simple case */
- for (p=accents; *p; p++) /* otherwise we look for accented letters */
- if (0 != (aci=findadobe(*p))) {
- strcpy(buffer,ai->adobename) ;
- strcat(buffer,*p) ;
- if (0 != (acci=findadobe(buffer)))
- return (acci->ury - aci->ury + xheight) ;
- }
- return (ai->ury) ;
- }
-
- /* modified tgr to eliminate varargs problems */
-
- #define vout(s) fprintf(vplout, s)
- int level ; /* the depth of parenthesis nesting in VPL file being written */
- void vlevout() {
- register int l = level ;
- while (l--) vout(" ") ;
- }
- void vlevnlout() {
- vout("\n") ;
- vlevout() ;
- }
- #define voutln(str) {fprintf(vplout,"%s\n",str);vlevout();}
- #define voutln2(f,s) {fprintf(vplout,f,s);vlevnlout();}
- #define voutln3(f,a,b) {fprintf(vplout,f,a,b);vlevnlout();}
- #define voutln4(f,a,b,c) {fprintf(vplout,f,a,b,c);vlevnlout();}
- void
- vleft()
- {
- level++ ;
- vout("(") ;
- }
-
- void
- vright()
- {
- level-- ;
- voutln(")") ;
- }
-
- int forceoctal = 0 ;
-
- char vcharbuf[6] ;
- char *vchar(c)
- int c ;
- {
- if (forceoctal == 0 && ISALNUM (c))
- (void) sprintf(vcharbuf,"C %c",
- #ifndef VMCMS
- c) ;
- #else
- ascii2ebcdic[c]) ;
- #endif
- else (void) sprintf(vcharbuf,"O %o", (unsigned)c) ;
- return (vcharbuf) ;
- }
-
- void
- writevpl()
- {
- register int i, j, k ;
- register struct adobeinfo *ai ;
- register struct lig *nlig ;
- register struct kern *nkern ;
- register struct pcc *npcc ;
- struct adobeinfo *asucc, *asub, *api ;
- int xoff, yoff, ht ;
- char unlabeled ;
-
- voutln2("(VTITLE Created by %s)", titlebuf) ;
- voutln("(COMMENT Please edit that VTITLE if you edit this file)") ;
- (void)sprintf(obuffer, "TeX-%s%s%s%s", outname,
- (efactor==1.0? "" : "-E"), (slant==0.0? "" : "-S"),
- (makevpl==1? "" : "-CSC")) ;
- if (strlen(obuffer)>19) { /* too long, will retain first 9 and last 10 */
- register char *p, *q ;
- for (p = &obuffer[9], q = &obuffer[strlen(obuffer)-10] ; p<&obuffer[19];
- p++, q++) *p = *q ;
- obuffer[19] = '\0' ;
- }
- voutln2("(FAMILY %s)" , obuffer) ;
- {
- char tbuf[300] ;
-
- sprintf(tbuf, "%s + %s", outencoding->name,
- #ifndef VMCMS
- codingscheme) ;
- #else
- ebcodingscheme) ;
- #endif
- if (strlen(tbuf) > 39) {
- error("Coding scheme too long; shortening to 39 characters.") ;
- tbuf[39] = 0 ;
- }
- voutln2("(CODINGSCHEME %s)", tbuf) ;
- }
- voutln("(DESIGNSIZE R 10.0)") ;
- voutln("(DESIGNUNITS R 1000)") ;
- voutln("(COMMENT DESIGNSIZE (1 em) IS IN POINTS)") ;
- voutln("(COMMENT OTHER DIMENSIONS ARE MULTIPLES OF DESIGNSIZE/1000)") ;
- voutln2("(CHECKSUM O %lo)",cksum ^ 0xffffffff) ;
- if (boundarychar >= 0)
- voutln2("(BOUNDARYCHAR O %lo)", (unsigned long)boundarychar) ;
- vleft() ; voutln("FONTDIMEN") ;
- if (newslant)
- voutln2("(SLANT R %f)", newslant) ;
- voutln2("(SPACE D %d)", fontspace) ;
- if (! fixedpitch) {
- voutln2("(STRETCH D %d)", transform(200,0)) ;
- voutln2("(SHRINK D %d)", transform(100,0)) ;
- }
- voutln2("(XHEIGHT D %d)", xheight) ;
- voutln2("(QUAD D %d)", transform(1000,0)) ;
- voutln2("(EXTRASPACE D %d)", fixedpitch ? fontspace : transform(111, 0)) ;
- vright() ;
- vleft() ; voutln("MAPFONT D 0");
- voutln2("(FONTNAME %s)", outname) ;
- voutln2("(FONTCHECKSUM O %lo)", (unsigned long)cksum) ;
- vright() ;
- if (makevpl>1) {
- vleft() ; voutln("MAPFONT D 1");
- voutln2("(FONTNAME %s)", outname) ;
- voutln2("(FONTAT D %d)", (int)(1000.0*capheight+0.5)) ;
- voutln2("(FONTCHECKSUM O %lo)", (unsigned long)cksum) ;
- vright() ;
- }
-
- for (i=0; i<256 && texptrs[i]==NULL; i++) ;
- bc = i ;
- for (i=255; i>=0 && texptrs[i]==NULL; i--) ;
- ec = i;
-
- vleft() ; voutln("LIGTABLE") ;
- ai = findadobe("||") ;
- unlabeled = 1 ;
- for (nlig=ai->ligs; nlig; nlig=nlig->next)
- if (0 != (asucc=findadobe(nlig->succ))) {
- if (0 != (asub=findadobe(nlig->sub)))
- if (asucc->texnum>=0)
- if (asub->texnum>=0) {
- if (unlabeled) {
- voutln("(LABEL BOUNDARYCHAR)") ;
- unlabeled = 0 ;
- }
- for (j = asucc->texnum; j >= 0; j = nexttex[j]) {
- voutln4("(%s %s O %o)", vplligops[nlig->op],
- vchar(j), (unsigned)asub->texnum) ;
- }
- }
- }
- if (! unlabeled) voutln("(STOP)") ;
- for (i=bc; i<=ec; i++)
- if ((ai=texptrs[i]) && ai->texnum == i) {
- unlabeled = 1 ;
- if (uppercase[i]==NULL) /* omit ligatures from smallcap lowercase */
- for (nlig=ai->ligs; nlig; nlig=nlig->next)
- if (0 != (asucc=findadobe(nlig->succ)))
- if (0 != (asub=findadobe(nlig->sub)))
- if (asucc->texnum>=0)
- if (asub->texnum>=0) {
- if (unlabeled) {
- for (j = ai->texnum; j >= 0; j = nexttex[j])
- voutln2("(LABEL %s)", vchar(j)) ;
- unlabeled = 0 ;
- }
- for (j = asucc->texnum; j >= 0; j = nexttex[j]) {
- voutln4("(%s %s O %o)", vplligops[nlig->op],
- vchar(j), (unsigned)asub->texnum) ;
- if (nlig->boundleft)
- break ;
- }
- }
- for (nkern = (uppercase[i] ? uppercase[i]->kerns : ai->kerns);
- nkern; nkern=nkern->next)
- if (0 != (asucc=findadobe(nkern->succ)))
- for (j = asucc->texnum; j >= 0; j = nexttex[j]) {
- if (uppercase[j]==NULL) {
- if (unlabeled) {
- for (k = ai->texnum; k >= 0; k = nexttex[k])
- voutln2("(LABEL %s)", vchar(k)) ;
- unlabeled = 0 ;
- }
- if (uppercase[i]) {
- if (lowercase[j]) {
- for (k=lowercase[j]->texnum; k >= 0; k = nexttex[k])
- voutln3("(KRN %s R %.1f)", vchar(k),
- capheight*nkern->delta) ;
- } else voutln3("(KRN %s R %.1f)",
- vchar(j), capheight*nkern->delta) ;
- } else {
- voutln3("(KRN %s R %d)", vchar(j),
- nkern->delta) ;
- if (lowercase[j])
- for (k=lowercase[j]->texnum; k >= 0; k = nexttex[k])
- voutln3("(KRN %s R %.1f)", vchar(k),
- capheight*nkern->delta) ;
- }
- }
- }
- if (! unlabeled) voutln("(STOP)") ;
- }
- vright() ;
-
- for (i=bc; i<=ec; i++)
- if (0 != (ai=texptrs[i])) {
- vleft() ; fprintf(vplout, "CHARACTER %s", vchar(i)) ;
- if (*vcharbuf=='C') {
- voutln("") ;
- } else
- voutln2(" (comment %s)", ai->adobename) ;
- if (uppercase[i]) {
- ai=uppercase[i] ;
- voutln2("(CHARWD R %.1f)", capheight * (ai->width)) ;
- if (0 != (ht=texheight(ai)))
- voutln2("(CHARHT R %.1f)", capheight * ht) ;
- if (ai->lly)
- voutln2("(CHARDP R %.1f)", -capheight * ai->lly) ;
- if (ai->urx > ai->width)
- voutln2("(CHARIC R %.1f)", capheight * (ai->urx - ai->width)) ;
- } else {
- voutln2("(CHARWD R %d)", ai->width) ;
- if (0 != (ht=texheight(ai)))
- voutln2("(CHARHT R %d)", ht) ;
- if (ai->lly)
- voutln2("(CHARDP R %d)", -ai->lly) ;
- if (ai->urx > ai->width)
- voutln2("(CHARIC R %d)", ai->urx - ai->width) ;
- }
- if (ai->adobenum != i || uppercase[i]) {
- vleft() ; voutln("MAP") ;
- if (uppercase[i]) voutln("(SELECTFONT D 1)") ;
- if (ai->pccs && ai->adobenum < 0) {
- xoff = 0 ; yoff = 0 ;
- for (npcc = ai->pccs; npcc; npcc=npcc->next)
- if (0 != (api=findadobe(npcc->partname)))
- if (api->texnum>=0) {
- if (npcc->xoffset != xoff) {
- if (uppercase[i]) {
- voutln2("(MOVERIGHT R %.1f)",
- capheight * (npcc->xoffset - xoff)) ;
- } else voutln2("(MOVERIGHT R %d)",
- npcc->xoffset - xoff) ;
- xoff = npcc->xoffset ;
- }
- if (npcc->yoffset != yoff) {
- if (uppercase[i]) {
- voutln2("(MOVEUP R %.1f)",
- capheight * (npcc->yoffset - yoff)) ;
- } else voutln2("(MOVEUP R %d)",
- npcc->yoffset - yoff) ;
- yoff = npcc->yoffset ;
- }
- voutln2("(SETCHAR O %o)", (unsigned)api->adobenum) ;
- xoff += texptrs[api->texnum]->width ;
- }
- } else voutln2("(SETCHAR O %o)", (unsigned)ai->adobenum) ;
- vright() ;
- }
- vright() ;
- }
- if (level) error("! I forgot to match the parentheses") ;
- }
-
- void usage(f)
- FILE *f ;
- {
- (void)fprintf(f,
- "afm2tfm 7.8, Copyright 1990-93 by Radical Eye Software\n") ;
- (void)fprintf(f,
- "Usage: afm2tfm foo[.afm] [-O] [-u] [-v|-V bar[.vpl]]\n") ;
- (void)fprintf(f,
- " [-e expansion] [-s slant] [-c capheight]\n") ;
- (void)fprintf(f,
- " [-p|-t|-T encodingfile] [foo[.tfm]]\n") ;
- }
-
- void
- openfiles(argc, argv)
- int argc ;
- char *argv[] ;
- {
- register int lastext ;
- register int i ;
- int arginc ;
- tfmout = (FILE *)NULL ;
- if (argc == 1) {
- usage(stdout) ;
- exit(1) ;
- }
-
- #if defined(MSDOS) || defined(OS2) || defined(ATARIST)
- /* Make VPL file identical to that created under Unix */
- (void)sprintf(titlebuf, "afm2tfm %s", argv[1]) ;
- #else
- #ifdef VMCMS
- /* Make VPL file identical to that created under Unix */
- (void)sprintf(titlebuf, "afm2tfm %s", argv[1]) ;
- #else
- (void)sprintf(titlebuf, "%s %s", argv[0], argv[1]) ;
- #endif
- #endif
- (void)strcpy(inname, argv[1]) ;
- lastext = -1 ;
- for (i=0; inname[i]; i++)
- if (inname[i] == '.')
- lastext = i ;
- else if (inname[i] == '/' || inname[i] == ':')
- lastext = -1 ;
- if (lastext == -1) (void)strcat(inname, ".afm") ;
-
- while (argc>2 && *argv[2]=='-') {
- arginc = 2 ;
- i = argv[2][1] ;
- if (i == '/')
- i = argv[2][2] - 32 ; /* /a ==> A for VMS */
- switch (i) {
- case 'V': makevpl++ ;
- case 'v': makevpl++ ;
- (void)strcpy(outname, argv[3]) ;
- lastext = -1 ;
- for (i=0; outname[i]; i++)
- if (outname[i] == '.')
- lastext = i ;
- else if (outname[i] == '/' || outname[i] == ':')
- lastext = -1 ;
- if (lastext == -1) (void)strcat(outname, ".vpl") ;
- #ifndef VMCMS
- #ifndef ATARIST
- if ((vplout=fopen(outname, WRITEBIN))==NULL)
- #else
- if ((vplout=fopen(outname, "w"))==NULL)
- #endif
- #else
- if ((vplout=fopen(outname, "w"))==NULL)
- #endif
- error("! can't open vpl output file") ;
- break ;
- case 'e': if (sscanf(argv[3], "%f", &efactor)==0 || efactor<0.01)
- error("! Bad extension factor") ;
- efactorparam = argv[3] ;
- break ;
- case 'c':
- if (sscanf(argv[3], "%f", &capheight)==0 || capheight<0.01)
- error("! Bad small caps height") ;
- break ;
- case 's': if (sscanf(argv[3], "%f", &slant)==0)
- error("! Bad slant parameter") ;
- slantparam = argv[3] ;
- break ;
- case 'P':
- case 'p':
- inenname = argv[3] ;
- break ;
- case 'T':
- inenname = outenname = argv[3] ;
- break ;
- case 't':
- outenname = argv[3] ;
- break ;
- case 'O':
- forceoctal = 1 ;
- arginc = 1 ;
- break ;
- case 'u':
- pedantic = 1 ;
- arginc = 1 ;
- break ;
- default: (void)fprintf(stderr, "Unknown option %s %s will be ignored.\n",
- argv[2], argv[3]) ;
- }
- for (i=0; i<arginc; i++) {
- (void)sprintf(titlebuf + strlen(titlebuf), " %s", argv[2]) ;
- argv++ ;
- argc-- ;
- }
- }
-
- if ((afmin=fopen(inname, "r"))==NULL)
- error("! can't open afm input file") ;
-
- if (argc>3 || (argc==3 && *argv[2]=='-')) {
- usage(stderr) ;
- error("! incorrect usage") ;
- }
-
- if (argc == 2) (void)strcpy(outname, inname) ;
- else (void)strcpy(outname, argv[2]) ;
-
- lastext = -1 ;
- for (i=0; outname[i]; i++)
- if (outname[i] == '.')
- lastext = i ;
- else if (outname[i] == '/' || outname[i] == ':' || outname[i] == '\\')
- lastext = -1 ;
- if (argc == 2) {
- outname[lastext] = 0 ;
- lastext = -1 ;
- }
- if (lastext == -1) {
- lastext = strlen(outname) ;
- (void)strcat(outname, ".tfm") ;
- }
- if (tfmout == NULL && (tfmout=fopen(outname, WRITEBIN))==NULL)
- error("! can't open tfm output file") ;
- outname[lastext] = 0 ;
- /*
- * Now we strip off any directory information, so we only use the
- * base name in the vf file. We accept any of /, :, or \ as directory
- * delimiters, so none of these are available for use inside the
- * base name; this shouldn't be a problem.
- */
- for (i=0, lastext=0; outname[i]; i++)
- if (outname[i] == '/' || outname[i] == ':' || outname[i] == '\\')
- lastext = i + 1 ;
- if (lastext)
- strcpy(outname, outname + lastext) ;
- }
- /*
- * Some routines to remove kerns that match certain patterns.
- */
- struct kern *rmkernmatch(k, s)
- struct kern *k ;
- char *s ;
- {
- struct kern *nk ;
-
- while (k && strcmp(k->succ, s)==0)
- k = k->next ;
- if (k) {
- for (nk = k; nk; nk = nk->next)
- while (nk->next && strcmp(nk->next->succ, s)==0)
- nk->next = nk->next->next ;
- }
- return k ;
- }
- /*
- * Recursive to one level.
- */
- void rmkern(s1, s2, ai)
- char *s1, *s2 ;
- struct adobeinfo *ai ;
- {
- if (ai == 0) {
- if (strcmp(s1, "*") == 0) {
- for (ai=adobechars; ai; ai = ai->next)
- rmkern(s1, s2, ai) ;
- return ;
- } else {
- ai = findadobe(s1) ;
- if (ai == 0)
- return ;
- }
- }
- if (strcmp(s2, "*")==0)
- ai->kerns = 0 ; /* drop them on the floor */
- else
- ai->kerns = rmkernmatch(ai->kerns, s2) ;
- }
- int sawligkern ;
- /*
- * Reads a ligkern line, if this is one. Assumes the first character
- * passed is `%'.
- */
- void checkligkern(s)
- char *s ;
- {
- char *oparam = param ;
- char *mlist[5] ;
- int n ;
-
- s++ ;
- while (*s && *s <= ' ')
- s++ ;
- if (strncmp(s, "LIGKERN", 7)==0) {
- sawligkern = 1 ;
- s += 7 ;
- while (*s && *s <= ' ')
- s++ ;
- param = s ;
- while (*param) {
- for (n=0; n<5;) {
- if (*param == 0)
- break ;
- mlist[n] = paramstring() ;
- if (strcmp(mlist[n], ";") == 0)
- break ;
- n++ ;
- }
- if (n > 4)
- error("! too many parameters in lig kern data") ;
- if (n < 3)
- error("! too few parameters in lig kern data") ;
- if (n == 3 && strcmp(mlist[1], "{}") == 0) { /* rmkern command */
- rmkern(mlist[0], mlist[2], (struct adobeinfo *)0) ;
- } else if (n == 3 && strcmp(mlist[0], "||") == 0 &&
- strcmp(mlist[1], "=") == 0) { /* bc command */
- struct adobeinfo *ai = findadobe("||") ;
-
- if (boundarychar != -1)
- error("! multiple boundary character commands?") ;
- if (sscanf(mlist[2], "%d", &n) != 1)
- error("! expected number assignment for boundary char") ;
- if (n < 0 || n > 255)
- error("! boundary character number must be 0..255") ;
- boundarychar = n ;
- if (ai == 0)
- error("! internal error: boundary char") ;
- ai->texnum = n ; /* prime the pump, so to speak, for lig/kerns */
- } else if (n == 4) {
- int op = -1 ;
- struct adobeinfo *ai ;
-
- for (n=0; encligops[n]; n++)
- if (strcmp(mlist[2], encligops[n])==0) {
- op = n ;
- break ;
- }
- if (op < 0)
- error("! bad ligature op specified") ;
- if (0 != (ai = findadobe(mlist[0]))) {
- struct lig *lig ;
-
- if (findadobe(mlist[2])) /* remove coincident kerns */
- rmkern(mlist[0], mlist[1], ai) ;
- if (strcmp(mlist[3], "||") == 0)
- error("! you can't lig to the boundary character!") ;
- if (! fixedpitch) { /* fixed pitch fonts get *0* ligs */
- for (lig=ai->ligs; lig; lig = lig->next)
- if (strcmp(lig->succ, mlist[1]) == 0)
- break ; /* we'll re-use this structure */
- if (lig == 0) {
- lig = newlig() ;
- lig->succ = newstring(mlist[1]) ;
- lig->next = ai->ligs ;
- ai->ligs = lig ;
- }
- lig->sub = newstring(mlist[3]) ;
- lig->op = op ;
- if (strcmp(mlist[1], "||")==0) {
- lig->boundleft = 1 ;
- if (strcmp(mlist[0], "||")==0)
- error("! you can't lig boundarychar boundarychar!") ;
- } else
- lig->boundleft = 0 ;
- }
- }
- } else
- error("! bad form in LIGKERN command") ;
- }
- }
- param = oparam ;
- }
- /*
- * Here we get a token from the AFM file. We parse just as much PostScript
- * as we expect to find in an encoding file. We allow commented lines and
- * names like 0, .notdef, _foo_. We do not allow //abc.
- */
- char smbuffer[100] ; /* for tokens */
- char *gettoken() {
- char *p, *q ;
-
- while (1) {
- while (param == 0 || *param == 0) {
- if (getline() == 0)
- error("! premature end in encoding file") ;
- for (p=buffer; *p; p++)
- if (*p == '%') {
- if (ignoreligkern == 0)
- checkligkern(p) ;
- *p = 0 ;
- break ;
- }
- }
- while (*param && *param <= ' ')
- param++ ;
- if (*param) {
- if (*param == '[' || *param == ']' ||
- *param == '{' || *param == '}') {
- smbuffer[0] = *param++ ;
- smbuffer[1] = 0 ;
- return smbuffer ;
- } else if (*param == '/' || *param == '-' || *param == '_' ||
- *param == '.' ||
- ('0' <= *param && *param <= '9') ||
- ('a' <= *param && *param <= 'z') ||
- ('A' <= *param && *param <= 'Z')) {
- smbuffer[0] = *param ;
- for (p=param+1, q=smbuffer+1;
- *p == '-' || *p == '_' || *p == '.' ||
- ('0' <= *p && *p <= '9') ||
- ('a' <= *p && *p <= 'z') ||
- ('A' <= *p && *p <= 'Z'); p++, q++)
- *q = *p ;
- *q = 0 ;
- param = p ;
- return smbuffer ;
- }
- }
- }
- }
- void getligkerndefaults() {
- int i ;
-
- for (i=0; staticligkern[i]; i++) {
- strcpy(buffer, staticligkern[i]) ;
- strcpy(obuffer, staticligkern[i]) ;
- param = buffer ;
- checkligkern(buffer) ;
- }
- }
- /*
- * This routine reads in an encoding file, given the name. It returns
- * the final total structure. It performs a number of consistency checks.
- */
- struct encoding *readencoding(enc)
- char *enc ;
- {
- char *p ;
- int i ;
- struct encoding *e =
- (struct encoding *)mymalloc((unsigned long)sizeof(struct encoding)) ;
-
- sawligkern = 0 ;
- if (afmin)
- error("! oops; internal afmin error") ;
- if (enc) {
- afmin = fopen(enc, "r") ;
- param = 0 ;
- if (afmin == 0)
- error("! couldn't open that encoding file") ;
- p = gettoken() ;
- if (*p != '/' || p[1] == 0)
- error("! first token in encoding must be literal encoding name") ;
- e->name = newstring(p+1) ;
- p = gettoken() ;
- if (strcmp(p, "["))
- error("! second token in encoding must be mark ([) token") ;
- for (i=0; i<256; i++) {
- p = gettoken() ;
- if (*p != '/' || p[1] == 0)
- error("! tokens 3 to 257 in encoding must be literal names") ;
- e->vec[i] = newstring(p+1) ;
- }
- p = gettoken() ;
- if (strcmp(p, "]"))
- error("! token 258 in encoding must be make-array (])") ;
- while (getline()) {
- for (p=buffer; *p; p++)
- if (*p == '%') {
- if (ignoreligkern == 0)
- checkligkern(p) ;
- *p = 0 ;
- break ;
- }
- }
- fclose(afmin) ;
- afmin = 0 ;
- if (ignoreligkern == 0 && sawligkern == 0)
- getligkerndefaults() ;
- } else {
- e = &staticencoding ;
- getligkerndefaults() ;
- }
- param = 0 ;
- return e ;
- }
- /*
- * This routine prints out the line that needs to be added to psfonts.map.
- */
- void conspsfonts() {
- (void)printf("%s %s", outname,
- #ifndef VMCMS
- fontname) ;
- #else /* VM/CMS: fontname is ascii, so we use ebfontname */
- ebfontname) ;
- #endif
- if (slantparam || efactorparam || inenname) {
- (void)printf(" \"") ;
- if (slantparam)
- (void)printf(" %s SlantFont", slantparam) ;
- if (efactorparam)
- (void)printf(" %s ExtendFont", efactorparam) ;
- if (inenname)
- (void)printf(" %s ReEncodeFont", inencoding->name) ;
- (void)printf(" \"") ;
- if (inenname)
- (void)printf(" <%s", inenname) ;
- }
- (void)printf("\n") ;
- }
- int
- main(argc, argv)
- int argc ;
- char *argv[] ;
- {
- int i ;
- for (i=0; i<256; i++)
- nexttex[i] = -1 ; /* encoding chains have length 0 */
- tfmdata = (long *)mymalloc((unsigned long)40000L) ;
- openfiles(argc, argv) ;
- readadobe() ;
- if (fontspace == 0) {
- struct adobeinfo *ai ;
-
- if (0 != (ai = findadobe("space")))
- fontspace = ai->width ;
- else if (adobeptrs[32])
- fontspace = adobeptrs[32]->width ;
- else
- fontspace = transform(500, 0) ;
- }
- handlereencoding() ;
- buildtfm() ;
- writetfm() ;
- conspsfonts() ;
- if (makevpl) {
- assignchars() ;
- if (makevpl>1) upmap() ;
- writevpl() ;
- }
- return 0 ;
- /*NOTREACHED*/
- }
-