/* makefont.c */ #include "dvips.h" /* The copyright notice in that file is included too! */ #include /* * The external declarations: */ #include "protos.h" #ifdef OS2 #include #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); } } }