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#include "copyright.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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int retainfonts = 0; /* retain loaded fonts? */ |
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static FONT *fontlist = NULL; /* list of loaded fonts */ |
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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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char embuf[512]; |
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FILE *fp; |
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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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} |
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/* load the font file */ |
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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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> |
sprintf(embuf, "cannot find font file \"%s\"\n", fname); |
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eputs(embuf); |
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return(NULL); |
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} |
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if ((fp = fopen(pathname, "r")) == NULL) { |
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sprintf(embuf, "cannot open font file \"%s\"\n", pathname); |
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eputs(embuf); |
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return(NULL); |
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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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goto memerr; |
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< |
f->name = savestr(fname); |
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> |
strcpy(f->name, fname); |
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f->nref = 1; |
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if ((fp = fopen(pathname, "r")) == NULL) { |
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– |
sprintf(errmsg, "cannot open font file \"%s\"", |
| 51 |
– |
pathname); |
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error(SYSTEM, errmsg); |
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– |
} |
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wsum = hsum = ngly = 0; /* get each glyph */ |
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while ((ngv = fgetval(fp, 'i', (char *)&gn)) != EOF) { |
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if (ngv == 0) |
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f->next = fontlist; |
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return(fontlist = f); |
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nonint: |
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< |
sprintf(errmsg, "non-integer in font file \"%s\"", pathname); |
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< |
error(USER, errmsg); |
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> |
sprintf(embuf, "non-integer in font file \"%s\"\n", pathname); |
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> |
eputs(embuf); |
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> |
fclose(fp); |
| 120 |
> |
return(NULL); |
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fonterr: |
| 122 |
< |
sprintf(errmsg, "%s character (%d) in font file \"%s\"", |
| 122 |
> |
sprintf(embuf, "%s character (%d) in font file \"%s\"\n", |
| 123 |
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err, gn, pathname); |
| 124 |
< |
error(USER, errmsg); |
| 124 |
> |
eputs(embuf); |
| 125 |
> |
fclose(fp); |
| 126 |
> |
return(NULL); |
| 127 |
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memerr: |
| 128 |
< |
error(SYSTEM, "out of memory in fontglyph"); |
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< |
return NULL; /* pro forma return */ |
| 128 |
> |
eputs("out of memory in getfont()\n"); |
| 129 |
> |
fclose(fp); |
| 130 |
> |
return(NULL); |
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} |
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void |
| 135 |
< |
freefont(fnt) /* release a font (free all if NULL) */ |
| 136 |
< |
FONT *fnt; |
| 135 |
> |
freefont( /* release a font (free all if NULL) */ |
| 136 |
> |
FONT *fnt |
| 137 |
> |
) |
| 138 |
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{ |
| 139 |
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FONT head; |
| 140 |
< |
register FONT *fl, *f; |
| 141 |
< |
register int i; |
| 140 |
> |
FONT *fl, *f; |
| 141 |
> |
int i; |
| 142 |
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/* check reference count */ |
| 143 |
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if (fnt != NULL && ((fnt->nref-- > 1) | retainfonts)) |
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return; |
| 150 |
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for (i = 0; i < 256; i++) |
| 151 |
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if (f->fg[i] != NULL) |
| 152 |
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free((void *)f->fg[i]); |
| 142 |
– |
freestr(f->name); |
| 153 |
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free((void *)f); |
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} else |
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fl = f; |
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| 159 |
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int |
| 161 |
< |
uniftext(sp, tp, f) /* uniformly space text line */ |
| 162 |
< |
register short *sp; /* returned character spacing */ |
| 163 |
< |
register char *tp; /* text line */ |
| 164 |
< |
register FONT *f; /* font */ |
| 161 |
> |
uniftext( /* uniformly space text line */ |
| 162 |
> |
short *sp, /* returned character spacing */ |
| 163 |
> |
char *tp, /* text line */ |
| 164 |
> |
FONT *f /* font */ |
| 165 |
> |
) |
| 166 |
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{ |
| 167 |
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int linelen; |
| 168 |
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| 177 |
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| 178 |
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| 179 |
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int |
| 180 |
< |
squeeztext(sp, tp, f, cis) /* squeeze text line */ |
| 181 |
< |
short *sp; /* returned character spacing */ |
| 182 |
< |
char *tp; /* text line */ |
| 183 |
< |
FONT *f; /* font */ |
| 184 |
< |
int cis; /* intercharacter spacing */ |
| 180 |
> |
squeeztext( /* squeeze text line */ |
| 181 |
> |
short *sp, /* returned character spacing */ |
| 182 |
> |
char *tp, /* text line */ |
| 183 |
> |
FONT *f, /* font */ |
| 184 |
> |
int cis /* intercharacter spacing */ |
| 185 |
> |
) |
| 186 |
|
{ |
| 187 |
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int linelen; |
| 188 |
< |
register GLYPH *gp; |
| 188 |
> |
GLYPH *gp; |
| 189 |
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|
| 190 |
|
linelen = 0; |
| 191 |
|
gp = NULL; |
| 213 |
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| 214 |
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| 215 |
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int |
| 216 |
< |
proptext(sp, tp, f, cis, nsi) /* space line proportionally */ |
| 217 |
< |
short *sp; /* returned character spacing */ |
| 218 |
< |
char *tp; /* text line */ |
| 219 |
< |
FONT *f; /* font */ |
| 220 |
< |
int cis; /* target intercharacter spacing */ |
| 221 |
< |
int nsi; /* minimum number of spaces for indent */ |
| 216 |
> |
proptext( /* space line proportionally */ |
| 217 |
> |
short *sp, /* returned character spacing */ |
| 218 |
> |
char *tp, /* text line */ |
| 219 |
> |
FONT *f, /* font */ |
| 220 |
> |
int cis, /* target intercharacter spacing */ |
| 221 |
> |
int nsi /* minimum number of spaces for indent */ |
| 222 |
> |
) |
| 223 |
|
{ |
| 224 |
< |
register char *end, *tab = NULL; |
| 224 |
> |
char *end, *tab = NULL; |
| 225 |
|
GLYPH *gp; |
| 226 |
|
short *nsp; |
| 227 |
|
int alen, len, width; |
