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
|
@x
#include <w2c/config.h>
@y
#include <kpathsea/kpathsea.h>
#include <w2c/config.h>
@z
%
% local variable "nt" && "ct"
@x
halfword lf,tfm_lh,bc,ec,nw,nh,nd; /* subfile size parameters */
@y
halfword lf,tfm_lh,bc,ec,nw,nh,nd,nt; /* subfile size parameters */
@z
@x
int h_and_d; /* height and depth indices being unpacked */
@y
int h_and_d; /* height and depth indices being unpacked */
halfword ct; /* char and type */
halfword id; /* JFM font id */
@z
@x
@<Read the character data and the width, height, and depth tables and
|goto done|@>
@y
@<Read the character type table@>;
@<Read the character data and the width, height, and depth tables and
|goto done|@>
@z
@x
@d read_two(A) { (A)=tfbyte;
@y
@d read_pair(A) { (A)=tfbyte;
tfget; (A)=(A)*0400+tfbyte;
}
@d read_triplekanji(A) { (A)=tfbyte;
tfget; (A)=(A)*0400+tfbyte;
tfget; (A)=(A)+tfbyte*0200000;
}
@d read_two(A) { (A)=tfbyte;
@z
%
% routine to process JFM file format
@x
@<Read the \.{TFM} size fields@>=
tfget; read_two(lf);
@y
@d yoko_jfm_id 11 /* `yoko-kumi' fonts */
@d tate_jfm_id 9 /* `tate-kumi' fonts */
@d font_jfm_p(A) (mp->font_id[(A)]!=0)
@d incr(A) (A)=(A)+1 /* increase a variable by unity */
@<Read the \.{TFM} size fields@>=
tfget; read_two(lf);
if ( (lf==yoko_jfm_id) || (lf==tate_jfm_id) ) {
id=lf;
tfget; read_two(nt);
tfget; read_two(lf);
} else {
id=0; nt=0;
};
@z
@x
whd_size=(size_t)((ec+1-bc)+nw+nh+nd);
@y
whd_size=(size_t)((ec+1-bc)+nt+nw+nh+nd);
@z
%
% reserve space for character type table
@x
mp->char_base[n]=(int)(mp->next_fmem-(size_t)bc);
mp->width_base[n]=(int)(mp->next_fmem+(size_t)(ec-bc)+1);
@y
mp->font_id[n]=id;
mp->font_nt[n]=nt;
mp->ctype_base[n]=mp->next_fmem;
mp->char_base[n]=(int)(mp->next_fmem+nt-(size_t)bc);
mp->width_base[n]=(int)(mp->next_fmem+nt+(size_t)(ec-bc)+1);
@z
%
% read character type table
%
@x
tf_ignore(4*(tfm_lh-2))
@y
tf_ignore(4*(tfm_lh-2))
@ @<Read the character type table@>=
ii=mp->ctype_base[n]+nt;
i=mp->ctype_base[n];
while ( i<ii ) {
tfget; read_triplekanji(ct); /* allow character codes up to 0xffffff */
mp->font_info[i].hh.LH=ct;
tfget; mp->font_info[i].hh.RH=tfbyte;
incr(i);
}
@z
@x
mp_pack_file_name(mp, mp->cur_name,mp->cur_area,mp->cur_ext);
mp->tfm_infile = (mp->open_file)(mp, mp->name_of_file, "r",mp_filetype_metrics);
@y
mp_pack_file_name(mp, mp->cur_name,mp->cur_area,mp->cur_ext);
{
char *fulln;
fulln = kpse_find_file(fname, kpse_tfm_format, 1);
mp->tfm_infile = (mp->open_file)(mp, fulln, "r",mp_filetype_metrics);
if(fulln) mp_xfree(fulln);
}
@z
|
