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- /*
- * This software is Copyright 1988 by Radical Eye Software.
- */
- #include "dvips.h"
- extern int quiet ;
- extern int filter ;
- extern int dontmakefont ;
- extern int system() ;
- extern Boolean secure ;
- extern char *getenv(), *newstring() ;
- extern char *mfmode ;
- #ifdef OS2
- #include <stdlib.h>
- #endif
- #ifdef RISCOS
- /* This allows us to increase the wimpslot when we have to make a font */
- #include <kernel.h>
- #include <swis.h>
- static _kernel_swi_regs in_regs, out_regs ;
- #endif
- #if defined MSDOS || defined OS2
- extern char *mfjobname ;
- extern FILE *mfjobfile ;
- extern char *pkpath ;
- extern int actualdpi ;
- extern int vactualdpi ;
- /*
- * Write mfjob file
- */
- void
- mfjobout(font,mag)
- char *font;
- double mag;
- {
- if (mfjobfile == (FILE *)NULL) {
- char pkout[128];
- char *p;
- int i;
- for (p=pkpath, i=0; *p && *p!=PATHSEP && i<127; p++) {
- if (*p=='%') {
- p++;
- switch(*p) { /* convert %x codes to mfjob @y codes */
- case 'b':
- sprintf(pkout+i,"%d",actualdpi);
- break;
- case 'd':
- strcpy(pkout+i,"@Rr");
- break;
- case 'f':
- strcpy(pkout+i,"@f");
- break;
- case 'p':
- strcpy(pkout+i,"pk");
- break;
- case 'm':
- strcpy(pkout+i,mfmode);
- break;
- case '%':
- strcpy(pkout+i,"%");
- break;
- default:
- sprintf(pkout+i, "%%%c", *p) ;
- fprintf(stderr,"Unknown option %%%c in pk path\n",*p);
- }
- i += strlen(pkout+i);
- }
- else
- pkout[i++] = *p;
- }
- *p='\0'; /* Could some DOS person explain to me what this does? */
- pkout[i] = 0 ;
- mfjobfile = fopen(mfjobname,"w");
- if (mfjobfile == (FILE *)NULL)
- return;
- fprintf(mfjobfile,"input[dvidrv];\n{\ndriver=dvips;\n");
- if (actualdpi == vactualdpi)
- fprintf(mfjobfile,"mode=%s[%d];\n",mfmode,actualdpi);
- else
- fprintf(mfjobfile,"mode=%s[%d %d];\n",mfmode,actualdpi,vactualdpi);
- fprintf(mfjobfile,"output=pk[%s];\n",pkout);
- }
- fprintf(mfjobfile,"{font=%s; mag=%f;}\n",font,mag);
- (void)fprintf(stderr,
- "Appending {font=%s; mag=%f;} to %s\n",font,mag,mfjobname) ;
- }
- #endif
- /*
- * Calculate magstep values.
- */
- static int
- magstep(n, bdpi)
- register int n, bdpi ;
- {
- register float t ;
- int neg = 0 ;
-
- if (n < 0) {
- neg = 1 ;
- n = -n ;
- }
- if (n & 1) {
- n &= ~1 ;
- t = 1.095445115 ;
- } else
- t = 1.0 ;
- while (n > 8) {
- n -= 8 ;
- t = t * 2.0736 ;
- }
- while (n > 0) {
- n -= 2 ;
- t = t * 1.2 ;
- }
- if (neg)
- return((int)(0.5 + bdpi / t)) ;
- else
- return((int)(0.5 + bdpi * t)) ;
- }
- #ifdef MAKEPKCMD
- static char *defcommand = MAKEPKCMD " %n %d %b %m" ;
- #else
- #ifdef OS2
- static char *doscommand = "command /c MakeTeXP %n %d %b %m" ;
- static char *os2command = "MakeTeXP %n %d %b %m" ;
- #define defcommand ( _osmode==OS2_MODE ? os2command : doscommand )
- #else
- #ifdef MSDOS
- static char *defcommand = "command /c MakeTeXP %n %d %b %m" ;
- #else
- #ifdef VMCMS
- static char *defcommand = "EXEC MakeTeXPK %n %d %b %m" ;
- #else
- static char *defcommand = "MakeTeXPK %n %d %b %m" ;
- #endif
- #endif
- #endif
- #endif
- char *command = 0 ;
- /*
- * This routine tries to create a font by executing a command, and
- * then opening the font again if possible.
- */
- static char buf[125] ;
- void
- makefont(name, dpi, bdpi)
- char *name ;
- int dpi, bdpi ;
- {
- register char *p, *q ;
- register int m, n ;
- #if defined MSDOS || defined OS2
- double t;
- #endif
- #ifdef RISCOS
- in_regs.r[0] = -1 ;
- in_regs.r[1] = -1 ;
- _kernel_swi(Wimp_SlotSize,&in_regs,&out_regs) ;
- if (out_regs.r[0] < 0xe8000) {
- fprintf (stderr,"! not enough free memory to call METAFONT.\n") ;
- return ;
- }
- #endif
- if (command == 0)
- if (secure == 0 && (command=getenv("MAKETEXPK")))
- command = newstring(command) ;
- else
- command = defcommand ;
- for (p=command, q=buf; *p; p++)
- if (*p != '%')
- *q++ = *p ;
- else {
- switch (*++p) {
- case 'n' : case 'N' :
- (void)strcpy(q, name) ;
- break ;
- case 'd' : case 'D' :
- (void)sprintf(q, "%d", dpi) ;
- break ;
- case 'b' : case 'B' :
- (void)sprintf(q, "%d", bdpi) ;
- break ;
- case 'm' : case 'M' :
- /*
- * Here we want to return a string. If we can find some integer
- * m such that floor(0.5 + bdpi * 1.2 ^ (m/2)) = dpi, we write out
- * magstep(m/2)
- * where m/2 is a decimal number; else we write out
- * dpi/bdpi
- * We do this for the very slight improvement in accuracy that
- * magstep() gives us over the rounded dpi/bdpi.
- */
- m = 0 ;
- if (dpi < bdpi) {
- while (1) {
- m-- ;
- n = magstep(m, bdpi) ;
- if (n == dpi)
- break ;
- if (n < dpi || m < -40) {
- m = 9999 ;
- break ;
- }
- }
- } else if (dpi > bdpi) {
- while (1) {
- m++ ;
- n = magstep(m, bdpi) ;
- if (n == dpi)
- break ;
- if (n > dpi || m > 40) {
- m = 9999 ;
- break ;
- }
- }
- }
- #if defined MSDOS || defined OS2
- /* write out magnification as decimal number */
- if (m == 9999) {
- t = (double)dpi/bdpi;
- } else {
- if (m < 0)
- n = -m;
- else
- n = m;
- if (n & 1) {
- n &= ~1 ;
- t = 1.095445115 ;
- } else
- t = 1.0 ;
- while (n > 0) {
- n -= 2 ;
- t = t * 1.2 ;
- }
- if (m < 0)
- t = 1 / t ;
- }
- (void)sprintf(q, "%12.9f", t) ;
- #else
- if (m == 9999) {
- (void)sprintf(q, "%d+%d/%d", dpi/bdpi, dpi%bdpi, bdpi) ;
- } else if (m >= 0) {
- (void)sprintf(q, "magstep\\(%d.%d\\)", m/2, (m&1)*5) ;
- } else {
- (void)sprintf(q, "magstep\\(-%d.%d\\)", (-m)/2, (m&1)*5) ;
- }
- #endif
- break ;
- case 0 : *q = 0 ;
- break ;
- default: *q++ = *p ;
- *q = 0 ;
- break ;
- }
- q += strlen(q) ;
- }
- *q = 0 ;
- if (mfmode) {
- strcpy(q, " ") ;
- strcat(q, mfmode) ;
- }
- #ifdef OS2
- if ((_osmode == OS2_MODE) && filter)
- (void)strcat(buf, quiet ? " >nul" : " 1>&2") ;
- #else
- #ifndef VMCMS /* no filters and no need to print to stderr */
- #ifndef MVSXA
- #ifndef MSDOS
- if (filter)
- (void)strcat(buf, quiet ? " >/dev/null" : " 1>&2") ;
- #endif
- #endif
- #endif
- #endif
-
- #if defined MSDOS || defined OS2
- if (! quiet && mfjobname == (char *)NULL)
- (void)fprintf(stderr, "- %s\n", buf) ;
- if (dontmakefont == 0) {
- if (mfjobname != (char *)NULL)
- mfjobout(name,t);
- else
- (void)system(buf) ;
- }
- #else
- if (! quiet)
- (void)fprintf(stderr, "- %s\n", buf) ;
- if (dontmakefont == 0)
- (void)system(buf) ;
- #endif
- else {
- static FILE *fontlog = 0 ;
-
- if (fontlog == 0) {
- fontlog = fopen("missfont.log", "a") ;
- if (fontlog != 0) {
- (void)fprintf(stderr,
- #ifndef VMCMS
- "Appending font creation commands to missfont.log\n") ;
- #else
- "\nMissing font data will be passed to DVIPS EXEC via MISSFONT LOG\n");
- #endif
- }
- }
- if (fontlog != 0) {
- (void)fprintf(fontlog, "%s\n", buf) ;
- (void)fflush(fontlog) ;
- }
- }
- }
-