--- ray/src/common/font.c 2004/03/26 23:04:23 2.19 +++ ray/src/common/font.c 2021/11/19 22:51:31 2.22 @@ -1,5 +1,5 @@ #ifndef lint -static const char RCSid[] = "$Id: font.c,v 2.19 2004/03/26 23:04:23 greg Exp $"; +static const char RCSid[] = "$Id: font.c,v 2.22 2021/11/19 22:51:31 greg Exp $"; #endif /* * Polygonal font handling routines @@ -11,28 +11,27 @@ static const char RCSid[] = "$Id: font.c,v 2.19 2004/0 #include "paths.h" #include "rtio.h" -#include "rterror.h" #include "font.h" #define galloc(nv) (GLYPH *)malloc(sizeof(GLYPH)+2*sizeof(GORD)*(nv)) - int retainfonts = 0; /* retain loaded fonts? */ static FONT *fontlist = NULL; /* list of loaded fonts */ FONT * -getfont(fname) /* return font fname */ -char *fname; +getfont( /* return font fname */ + char *fname +) { FILE *fp; char *pathname, *err = NULL; unsigned wsum, hsum, ngly; int gn, ngv, gv; - register GLYPH *g; + GLYPH *g; GORD *gp; - register FONT *f; + FONT *f; for (f = fontlist; f != NULL; f = f->next) if (!strcmp(f->name, fname)) { @@ -41,19 +40,18 @@ char *fname; } /* load the font file */ if ((pathname = getpath(fname, getrlibpath(), R_OK)) == NULL) { - sprintf(errmsg, "cannot find font file \"%s\"", fname); - error(USER, errmsg); + fprintf(stderr, "cannot find font file \"%s\"\n", fname); + return(NULL); } + if ((fp = fopen(pathname, "r")) == NULL) { + fprintf(stderr, "cannot open font file \"%s\"\n", pathname); + return(NULL); + } f = (FONT *)calloc(1, sizeof(FONT)); if (f == NULL) goto memerr; - f->name = savestr(fname); + strcpy(f->name, fname); f->nref = 1; - if ((fp = fopen(pathname, "r")) == NULL) { - sprintf(errmsg, "cannot open font file \"%s\"", - pathname); - error(SYSTEM, errmsg); - } wsum = hsum = ngly = 0; /* get each glyph */ while ((ngv = fgetval(fp, 'i', (char *)&gn)) != EOF) { if (ngv == 0) @@ -112,25 +110,29 @@ char *fname; f->next = fontlist; return(fontlist = f); nonint: - sprintf(errmsg, "non-integer in font file \"%s\"", pathname); - error(USER, errmsg); + fprintf(stderr, "non-integer in font file \"%s\"\n", pathname); + fclose(fp); + return(NULL); fonterr: - sprintf(errmsg, "%s character (%d) in font file \"%s\"", + fprintf(stderr, "%s character (%d) in font file \"%s\"\n", err, gn, pathname); - error(USER, errmsg); + fclose(fp); + return(NULL); memerr: - error(SYSTEM, "out of memory in fontglyph"); - return NULL; /* pro forma return */ + fprintf(stderr, "out of memory in getfont()\n"); + fclose(fp); + return(NULL); } void -freefont(fnt) /* release a font (free all if NULL) */ -FONT *fnt; +freefont( /* release a font (free all if NULL) */ + FONT *fnt +) { FONT head; - register FONT *fl, *f; - register int i; + FONT *fl, *f; + int i; /* check reference count */ if (fnt != NULL && ((fnt->nref-- > 1) | retainfonts)) return; @@ -142,7 +144,6 @@ FONT *fnt; for (i = 0; i < 256; i++) if (f->fg[i] != NULL) free((void *)f->fg[i]); - freestr(f->name); free((void *)f); } else fl = f; @@ -151,10 +152,11 @@ FONT *fnt; int -uniftext(sp, tp, f) /* uniformly space text line */ -register short *sp; /* returned character spacing */ -register char *tp; /* text line */ -register FONT *f; /* font */ +uniftext( /* uniformly space text line */ + short *sp, /* returned character spacing */ + char *tp, /* text line */ + FONT *f /* font */ +) { int linelen; @@ -169,14 +171,15 @@ register FONT *f; /* font */ int -squeeztext(sp, tp, f, cis) /* squeeze text line */ -short *sp; /* returned character spacing */ -char *tp; /* text line */ -FONT *f; /* font */ -int cis; /* intercharacter spacing */ +squeeztext( /* squeeze text line */ + short *sp, /* returned character spacing */ + char *tp, /* text line */ + FONT *f, /* font */ + int cis /* intercharacter spacing */ +) { int linelen; - register GLYPH *gp; + GLYPH *gp; linelen = 0; gp = NULL; @@ -204,14 +207,15 @@ int cis; /* intercharacter spacing */ int -proptext(sp, tp, f, cis, nsi) /* space line proportionally */ -short *sp; /* returned character spacing */ -char *tp; /* text line */ -FONT *f; /* font */ -int cis; /* target intercharacter spacing */ -int nsi; /* minimum number of spaces for indent */ +proptext( /* space line proportionally */ + short *sp, /* returned character spacing */ + char *tp, /* text line */ + FONT *f, /* font */ + int cis, /* target intercharacter spacing */ + int nsi /* minimum number of spaces for indent */ +) { - register char *end, *tab = NULL; + char *end, *tab = NULL; GLYPH *gp; short *nsp; int alen, len, width;