| 11 |
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| 12 |
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#include "paths.h" |
| 13 |
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#include "rtio.h" |
| 14 |
– |
#include "rterror.h" |
| 14 |
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#include "font.h" |
| 15 |
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|
| 16 |
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#define galloc(nv) (GLYPH *)malloc(sizeof(GLYPH)+2*sizeof(GORD)*(nv)) |
| 17 |
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|
| 19 |
– |
|
| 18 |
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int retainfonts = 0; /* retain loaded fonts? */ |
| 19 |
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|
| 20 |
|
static FONT *fontlist = NULL; /* list of loaded fonts */ |
| 21 |
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| 22 |
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| 23 |
|
FONT * |
| 24 |
< |
getfont(fname) /* return font fname */ |
| 25 |
< |
char *fname; |
| 24 |
> |
getfont( /* return font fname */ |
| 25 |
> |
char *fname |
| 26 |
> |
) |
| 27 |
|
{ |
| 28 |
|
FILE *fp; |
| 29 |
|
char *pathname, *err = NULL; |
| 30 |
|
unsigned wsum, hsum, ngly; |
| 31 |
|
int gn, ngv, gv; |
| 32 |
< |
register GLYPH *g; |
| 32 |
> |
GLYPH *g; |
| 33 |
|
GORD *gp; |
| 34 |
< |
register FONT *f; |
| 34 |
> |
FONT *f; |
| 35 |
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|
| 36 |
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for (f = fontlist; f != NULL; f = f->next) |
| 37 |
|
if (!strcmp(f->name, fname)) { |
| 40 |
|
} |
| 41 |
|
/* load the font file */ |
| 42 |
|
if ((pathname = getpath(fname, getrlibpath(), R_OK)) == NULL) { |
| 43 |
< |
sprintf(errmsg, "cannot find font file \"%s\"", fname); |
| 44 |
< |
error(USER, errmsg); |
| 43 |
> |
fprintf(stderr, "cannot find font file \"%s\"\n", fname); |
| 44 |
> |
return(NULL); |
| 45 |
|
} |
| 46 |
+ |
if ((fp = fopen(pathname, "r")) == NULL) { |
| 47 |
+ |
fprintf(stderr, "cannot open font file \"%s\"\n", pathname); |
| 48 |
+ |
return(NULL); |
| 49 |
+ |
} |
| 50 |
|
f = (FONT *)calloc(1, sizeof(FONT)); |
| 51 |
|
if (f == NULL) |
| 52 |
|
goto memerr; |
| 53 |
< |
f->name = savestr(fname); |
| 53 |
> |
strcpy(f->name, fname); |
| 54 |
|
f->nref = 1; |
| 52 |
– |
if ((fp = fopen(pathname, "r")) == NULL) { |
| 53 |
– |
sprintf(errmsg, "cannot open font file \"%s\"", |
| 54 |
– |
pathname); |
| 55 |
– |
error(SYSTEM, errmsg); |
| 56 |
– |
} |
| 55 |
|
wsum = hsum = ngly = 0; /* get each glyph */ |
| 56 |
|
while ((ngv = fgetval(fp, 'i', (char *)&gn)) != EOF) { |
| 57 |
|
if (ngv == 0) |
| 110 |
|
f->next = fontlist; |
| 111 |
|
return(fontlist = f); |
| 112 |
|
nonint: |
| 113 |
< |
sprintf(errmsg, "non-integer in font file \"%s\"", pathname); |
| 114 |
< |
error(USER, errmsg); |
| 113 |
> |
fprintf(stderr, "non-integer in font file \"%s\"\n", pathname); |
| 114 |
> |
fclose(fp); |
| 115 |
> |
return(NULL); |
| 116 |
|
fonterr: |
| 117 |
< |
sprintf(errmsg, "%s character (%d) in font file \"%s\"", |
| 117 |
> |
fprintf(stderr, "%s character (%d) in font file \"%s\"\n", |
| 118 |
|
err, gn, pathname); |
| 119 |
< |
error(USER, errmsg); |
| 119 |
> |
fclose(fp); |
| 120 |
> |
return(NULL); |
| 121 |
|
memerr: |
| 122 |
< |
error(SYSTEM, "out of memory in fontglyph"); |
| 123 |
< |
return NULL; /* pro forma return */ |
| 122 |
> |
fprintf(stderr, "out of memory in getfont()\n"); |
| 123 |
> |
fclose(fp); |
| 124 |
> |
return(NULL); |
| 125 |
|
} |
| 126 |
|
|
| 127 |
|
|
| 128 |
|
void |
| 129 |
< |
freefont(fnt) /* release a font (free all if NULL) */ |
| 130 |
< |
FONT *fnt; |
| 129 |
> |
freefont( /* release a font (free all if NULL) */ |
| 130 |
> |
FONT *fnt |
| 131 |
> |
) |
| 132 |
|
{ |
| 133 |
|
FONT head; |
| 134 |
< |
register FONT *fl, *f; |
| 135 |
< |
register int i; |
| 134 |
> |
FONT *fl, *f; |
| 135 |
> |
int i; |
| 136 |
|
/* check reference count */ |
| 137 |
|
if (fnt != NULL && ((fnt->nref-- > 1) | retainfonts)) |
| 138 |
|
return; |
| 144 |
|
for (i = 0; i < 256; i++) |
| 145 |
|
if (f->fg[i] != NULL) |
| 146 |
|
free((void *)f->fg[i]); |
| 145 |
– |
freestr(f->name); |
| 147 |
|
free((void *)f); |
| 148 |
|
} else |
| 149 |
|
fl = f; |
| 152 |
|
|
| 153 |
|
|
| 154 |
|
int |
| 155 |
< |
uniftext(sp, tp, f) /* uniformly space text line */ |
| 156 |
< |
register short *sp; /* returned character spacing */ |
| 157 |
< |
register char *tp; /* text line */ |
| 158 |
< |
register FONT *f; /* font */ |
| 155 |
> |
uniftext( /* uniformly space text line */ |
| 156 |
> |
short *sp, /* returned character spacing */ |
| 157 |
> |
char *tp, /* text line */ |
| 158 |
> |
FONT *f /* font */ |
| 159 |
> |
) |
| 160 |
|
{ |
| 161 |
|
int linelen; |
| 162 |
|
|
| 171 |
|
|
| 172 |
|
|
| 173 |
|
int |
| 174 |
< |
squeeztext(sp, tp, f, cis) /* squeeze text line */ |
| 175 |
< |
short *sp; /* returned character spacing */ |
| 176 |
< |
char *tp; /* text line */ |
| 177 |
< |
FONT *f; /* font */ |
| 178 |
< |
int cis; /* intercharacter spacing */ |
| 174 |
> |
squeeztext( /* squeeze text line */ |
| 175 |
> |
short *sp, /* returned character spacing */ |
| 176 |
> |
char *tp, /* text line */ |
| 177 |
> |
FONT *f, /* font */ |
| 178 |
> |
int cis /* intercharacter spacing */ |
| 179 |
> |
) |
| 180 |
|
{ |
| 181 |
|
int linelen; |
| 182 |
< |
register GLYPH *gp; |
| 182 |
> |
GLYPH *gp; |
| 183 |
|
|
| 184 |
|
linelen = 0; |
| 185 |
|
gp = NULL; |
| 207 |
|
|
| 208 |
|
|
| 209 |
|
int |
| 210 |
< |
proptext(sp, tp, f, cis, nsi) /* space line proportionally */ |
| 211 |
< |
short *sp; /* returned character spacing */ |
| 212 |
< |
char *tp; /* text line */ |
| 213 |
< |
FONT *f; /* font */ |
| 214 |
< |
int cis; /* target intercharacter spacing */ |
| 215 |
< |
int nsi; /* minimum number of spaces for indent */ |
| 210 |
> |
proptext( /* space line proportionally */ |
| 211 |
> |
short *sp, /* returned character spacing */ |
| 212 |
> |
char *tp, /* text line */ |
| 213 |
> |
FONT *f, /* font */ |
| 214 |
> |
int cis, /* target intercharacter spacing */ |
| 215 |
> |
int nsi /* minimum number of spaces for indent */ |
| 216 |
> |
) |
| 217 |
|
{ |
| 218 |
< |
register char *end, *tab = NULL; |
| 218 |
> |
char *end, *tab = NULL; |
| 219 |
|
GLYPH *gp; |
| 220 |
|
short *nsp; |
| 221 |
|
int alen, len, width; |
