diff options
author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/texk/dvipsk/makefont.c | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff) |
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipsk/makefont.c')
-rw-r--r-- | Build/source/texk/dvipsk/makefont.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/Build/source/texk/dvipsk/makefont.c b/Build/source/texk/dvipsk/makefont.c new file mode 100644 index 00000000000..ef303888a57 --- /dev/null +++ b/Build/source/texk/dvipsk/makefont.c @@ -0,0 +1,300 @@ +/* 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, "%.99s", 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); + } + } +} |