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/* makefont.c */
#include "dvips.h" /* The copyright notice in that file is included too! */
#include <math.h>
/*
* The external declarations:
*/
#include "protos.h"
#ifdef OS2
#include <stdlib.h>
#endif
#if !defined(WIN32)
extern char *getenv();
extern int system();
#endif
#if defined MSDOS || defined OS2
/*
* Write mfjob file
*/
void
mfjobout(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 ? mfmode : "default");
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);
fprintf(stderr,
"Appending {font=%s; mag=%f;} to %s\n",font,mag,mfjobname);
}
#endif
/*
* Calculate magstep values.
*/
static int
magstep(register int n, register int 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)floor(0.5 + bdpi / t));
else
return((int)floor(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
#ifdef ATARIST
static char *defcommand = "maketexp %n %d %b %m";
#else
static char *defcommand = "MakeTeXPK %n %d %b %m";
#endif
#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(char *name, int dpi, int bdpi)
{
register char *p, *q;
register int m, n;
int modegiven = 0;
#if defined MSDOS || defined OS2 || defined(ATARIST)
double t;
#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' :
strcpy(q, name);
break;
case 'd' : case 'D' :
sprintf(q, "%d", dpi);
break;
case 'b' : case 'B' :
sprintf(q, "%d", bdpi);
break;
case 'o' : case 'O' :
sprintf(q, "%s", mfmode ? mfmode : "default");
modegiven = 1;
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;
}
sprintf(q, "%12.9f", t);
#else
#ifndef ATARIST
if (m == 9999) {
#else
{
#endif
sprintf(q, "%d+%d/%d", dpi/bdpi, dpi%bdpi, bdpi);
} else if (m >= 0) {
sprintf(q, "magstep\\(%d.%d\\)", m/2, (m&1)*5);
} else {
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 && !modegiven) {
strcpy(q, " ");
strcat(q, mfmode);
}
#ifdef OS2
if ((_osmode == OS2_MODE) && filter)
strcat(buf, quiet ? " >nul" : " 1>&2");
#else
#ifndef VMCMS /* no filters and no need to print to stderr */
#ifndef MVSXA
#ifndef MSDOS
#ifndef ATARIST
if (filter)
strcat(buf, quiet ? " >/dev/null" : " 1>&2");
#endif
#endif
#endif
#endif
#endif
#if defined MSDOS || defined OS2
if (! quiet && mfjobname == (char *)NULL)
fprintf(stderr, "- %s\n", buf);
if (dontmakefont == 0) {
if (mfjobname != (char *)NULL)
mfjobout(name,t);
else
system(buf);
}
#else
if (! quiet)
fprintf(stderr, "- %s\n", buf);
if (dontmakefont == 0)
system(buf);
#endif
else {
static FILE *fontlog = 0;
if (fontlog == 0) {
fontlog = fopen("missfont.log", "a");
if (fontlog != 0) {
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) {
fprintf(fontlog, "%s\n", buf);
fflush(fontlog);
}
}
}
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