1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* findfile.c
* Copyright 1985 Massachusetts Institute of Technology
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/dir.h>
#include "findfile.h"
int
findfileindir(area, name, mag, s, nname, nmag)
char *area,*name,*s,*nname;
int mag,*nmag;
{
FILE *f;
char buf[BUFSIZ];
int found = 0;
sprintf(s,"%s/SUBDIR",area);
if (!access(s,0)) sprintf(s,"%s/%s/%s.%dpxl",area,name,name,mag);
else sprintf(s,"%s/%s.%dpxl",area,name,mag);
if (!access(s,4)) {
strcpy(nname,name);
*nmag = mag;
return(-1);
} else {
sprintf(buf,"%s/NEEDED",area);
if (!access(buf,2)) {
sprintf(s,"%s.%dpxl\n",name,mag);
f = fopen(buf,"r+");
while (fgets(buf,sizeof(buf),f)) if (!strcmp(buf,s)) found++;
if (!found) fputs(s,f);
fclose(f);
}
return(0);
}
}
/* true if it found a file, false otherwise; name is in s */
int findfile(dirvec,dirveclen,area, name, mag, s, nname, nmag)
char *dirvec[],*area,*name,*s,*nname;
int dirveclen,mag,*nmag;
{
int i,point;
char family[128];
strcpy(nname,name);
*nmag = mag;
point = -1;
(void) sscanf(name,"%[^0123456789.]%d",family,&point);
/* First check dir area given in DVI file */
if (*area && findfileindir(area, name, mag, s, nname, nmag)) return(-1);
/* Then check along dirvec */
for (i = 0; i < dirveclen; i++)
if (findfileindir(dirvec[i], name, mag, s, nname, nmag)) return(-1);
/* next check for closest magnification along dirvec */
return(findanyfile(dirvec,dirveclen,family,point,mag,name,s,nname,nmag));
}
int strdiff(s1,s2)
char *s1,*s2;
{
register int diff = 0;
while (*s1 && *s2) diff += abs(*s1++ - *s2++);
while (*s1) diff += *s1++;
while (*s2) diff += *s2++;
return(diff);
}
scanpdir(dir,name,
family,point,mag,
bestfamily,bestname,bestpoint,bestmag,
min_df,min_dp,min_dm)
char *dir,*name,*family,*bestfamily,*bestname;
int point,mag,*bestpoint,*bestmag,*min_df,*min_dp,*min_dm;
{
DIR *dirstream;
struct direct *dirrecord;
char qfamily[128];
int qpoint,qmag,df,dp,dm;
if (dirstream = opendir(dir)) {
while (dirrecord = readdir(dirstream)) {
if (!strcmp(dirrecord->d_name+dirrecord->d_namlen-3,"pxl")) {
qpoint = -1; qmag = -1;
(void) sscanf(dirrecord->d_name,"%[^0123456789.]%d.%d",
qfamily,&qpoint,&qmag);
df = strdiff(family,qfamily);
dp = abs(point - qpoint);
dm = abs(mag - qmag);
if ((df < *min_df)
|| (df == *min_df && dp < *min_dp)
|| (df == *min_df && dp == *min_dp && dm < *min_dm)) {
sprintf(bestname,"%s/%s",dir,dirrecord->d_name);
strcpy(bestfamily,qfamily);
*bestpoint = qpoint;
*bestmag = qmag;
*min_df = df;
*min_dp = dp;
*min_dm = dm;
}
}
}
closedir(dirstream);
}
}
scandir(dir,name,
family,point,mag,
bestfamily,bestname,bestpoint,bestmag,
min_df,min_dp,min_dm)
char *dir,*name,*family,*bestfamily,*bestname;
int point,mag,*bestpoint,*bestmag,*min_df,*min_dp,*min_dm;
{
DIR *dirstream;
struct direct *dirrecord;
int df;
char pdir[MAXNAMLEN];
if (dirstream = opendir(dir)) {
while (dirrecord = readdir(dirstream)) {
if (dirrecord->d_name[0] != '.') {
df = strdiff(name,dirrecord->d_name);
if (df <= *min_df) {
sprintf(pdir,"%s/%s",dir,dirrecord->d_name);
scanpdir(pdir,name,
family,point,mag,
bestfamily,bestname,bestpoint,bestmag,
min_df,min_dp,min_dm);
}
}
}
closedir(dirstream);
}
}
/* finds the best match to the desired font */
int findanyfile(dirvec,dirveclen,family,point,mag,name,s,nname,nmag)
char *dirvec[],*family,*name,*s,*nname;
int dirveclen,point,mag,*nmag;
{
char foo[MAXNAMLEN],bestname[MAXNAMLEN],bestfamily[128];
int min_df,min_dp,min_dm,df,dp,dm,i,bestpoint,bestmag;
bestname[0] = '\0';
min_df = min_dp = min_dm = 9999999;
for (i = 0; i < dirveclen; i++) {
sprintf(foo,"%s/SUBDIR",dirvec[i]);
if (!access(foo,0)) scandir(dirvec[i],name,
family,point,mag,
bestfamily,bestname,&bestpoint,&bestmag,
&min_df,&min_dp,&min_dm);
else scanpdir(dirvec[i],name,
family,point,mag,
bestfamily,bestname,&bestpoint,&bestmag,
&min_df,&min_dp,&min_dm);
}
if (bestname[0]) {
if (bestpoint > 0) sprintf(nname,"%s%d",bestfamily,bestpoint);
else strcpy(nname,bestfamily);
*nmag = bestmag;
strcpy(s,bestname);
if ((strcmp(bestfamily,family)
|| bestpoint != point || abs(bestmag - mag) > 2))
fprintf(stderr,
"Substituted font %s at mag %d for %s at mag %d.\n",
nname,(bestmag * 4 + 3) / 6,
name,(mag * 4 + 3) / 6);
return(-1);
}
return(0);
}
|
