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#include "copyright.h" |
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#include "standard.h" |
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#include <stdlib.h> |
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#include "paths.h" |
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#include "rtio.h" |
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#include "rterror.h" |
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#include "font.h" |
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#define galloc(nv) (GLYPH *)malloc(sizeof(GLYPH)+2*sizeof(GORD)*(nv)) |
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FONT * |
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getfont(fname) /* return font fname */ |
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char *fname; |
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getfont( /* return font fname */ |
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char *fname |
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) |
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{ |
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FILE *fp; |
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char *pathname, *err; |
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char *pathname, *err = NULL; |
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unsigned wsum, hsum, ngly; |
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int gn, ngv, gv; |
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register GLYPH *g; |
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GLYPH *g; |
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GORD *gp; |
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register FONT *f; |
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FONT *f; |
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for (f = fontlist; f != NULL; f = f->next) |
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if (!strcmp(f->name, fname)) { |
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return(f); |
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} |
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/* load the font file */ |
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if ((pathname = getpath(fname, getlibpath(), R_OK)) == NULL) { |
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if ((pathname = getpath(fname, getrlibpath(), R_OK)) == NULL) { |
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sprintf(errmsg, "cannot find font file \"%s\"", fname); |
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error(USER, errmsg); |
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error(SYSTEM, errmsg); |
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} |
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f = (FONT *)calloc(1, sizeof(FONT)); |
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if (f == NULL) |
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error(USER, errmsg); |
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memerr: |
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error(SYSTEM, "out of memory in fontglyph"); |
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return NULL; /* pro forma return */ |
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} |
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void |
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freefont(fnt) /* release a font (free all if NULL) */ |
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FONT *fnt; |
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freefont( /* release a font (free all if NULL) */ |
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FONT *fnt |
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) |
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{ |
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FONT head; |
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register FONT *fl, *f; |
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register int i; |
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FONT *fl, *f; |
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int i; |
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/* check reference count */ |
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if (fnt != NULL && (fnt->nref-- > 1 | retainfonts)) |
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if (fnt != NULL && ((fnt->nref-- > 1) | retainfonts)) |
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return; |
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head.next = fontlist; |
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fl = &head; |
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while ((f = fl->next) != NULL) |
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if ((fnt == NULL | fnt == f)) { |
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if ((fnt == NULL) | (fnt == f)) { |
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fl->next = f->next; |
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for (i = 0; i < 256; i++) |
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if (f->fg[i] != NULL) |
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int |
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uniftext(sp, tp, f) /* uniformly space text line */ |
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register short *sp; /* returned character spacing */ |
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register char *tp; /* text line */ |
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register FONT *f; /* font */ |
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uniftext( /* uniformly space text line */ |
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short *sp, /* returned character spacing */ |
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char *tp, /* text line */ |
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FONT *f /* font */ |
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) |
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{ |
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int linelen; |
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int |
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squeeztext(sp, tp, f, cis) /* squeeze text line */ |
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short *sp; /* returned character spacing */ |
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char *tp; /* text line */ |
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FONT *f; /* font */ |
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int cis; /* intercharacter spacing */ |
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> |
squeeztext( /* squeeze text line */ |
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short *sp, /* returned character spacing */ |
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> |
char *tp, /* text line */ |
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FONT *f, /* font */ |
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int cis /* intercharacter spacing */ |
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> |
) |
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{ |
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int linelen; |
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< |
register GLYPH *gp; |
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> |
GLYPH *gp; |
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linelen = 0; |
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gp = NULL; |
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int |
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proptext(sp, tp, f, cis, nsi) /* space line proportionally */ |
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< |
short *sp; /* returned character spacing */ |
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char *tp; /* text line */ |
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FONT *f; /* font */ |
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int cis; /* target intercharacter spacing */ |
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< |
int nsi; /* minimum number of spaces for indent */ |
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> |
proptext( /* space line proportionally */ |
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> |
short *sp, /* returned character spacing */ |
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char *tp, /* text line */ |
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> |
FONT *f, /* font */ |
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> |
int cis, /* target intercharacter spacing */ |
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> |
int nsi /* minimum number of spaces for indent */ |
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> |
) |
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{ |
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< |
register char *end, *tab; |
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> |
char *end, *tab = NULL; |
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GLYPH *gp; |
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short *nsp; |
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int alen, len, width; |
