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
|
/*
Copyright 2006-2008 Taco Hoekwater <taco@luatex.org>
This file is part of LuaTeX.
LuaTeX is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
LuaTeX is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
*/
#include "ptexlib.h"
#include "font/writettf.h"
#include "font/writecff.h"
/*tex
Here we also support the newer CFF2 specification,
*/
extern unsigned char *ttf_buffer;
void writetype0(PDF pdf, fd_entry * fd)
{
int callback_id;
int file_opened = 0;
long i = 0;
dirtab_entry *tab;
cff_font *cff;
sfnt *sfont;
dir_tab = NULL;
glyph_tab = NULL;
/*tex |fd_cur| is global inside |writettf.c| */
fd_cur = fd;
assert(fd_cur->fm != NULL);
assert(is_opentype(fd_cur->fm) || is_truetype(fd_cur->fm));
assert(is_included(fd_cur->fm));
ttf_curbyte = 0;
ttf_size = 0;
cur_file_name = luatex_find_file(fd_cur->fm->ff_name, find_opentype_file_callback);
if (cur_file_name == NULL) {
cur_file_name =
luatex_find_file(fd_cur->fm->ff_name, find_truetype_file_callback);
if (cur_file_name == NULL) {
formatted_error("type 0","cannot find file '%s'", fd_cur->fm->ff_name);
}
}
callback_id = callback_defined(read_opentype_file_callback);
if (callback_id > 0) {
if (run_callback(callback_id, "S->bSd", cur_file_name,
&file_opened, &ttf_buffer, &ttf_size) &&
file_opened && ttf_size > 0) {
} else {
formatted_error("type 0","cannot find file '%s'", cur_file_name);
}
} else {
if (!otf_open(cur_file_name)) {
formatted_error("type 0","cannot find file '%s'", cur_file_name);
}
ttf_read_file();
ttf_close();
}
fd_cur->ff_found = true;
sfont = sfnt_open(ttf_buffer, ttf_size);
if (sfont->type == SFNT_TYPE_TTC)
i = fd->fm->subfont > 0 ? (fd->fm->subfont - 1): ff_get_ttc_index(fd->fm->ff_name, fd->fm->ps_name);
if (is_subsetted(fd_cur->fm)) {
report_start_file(filetype_subset, cur_file_name);
} else {
report_start_file(filetype_font, cur_file_name);
}
if (sfont->type == SFNT_TYPE_TTC) otc_read_tabdir(i);
else ttf_read_tabdir();
sfnt_close(sfont);
/*tex Read font parameters: */
if (ttf_name_lookup("head", false) != NULL)
ttf_read_head();
if (ttf_name_lookup("hhea", false) != NULL)
ttf_read_hhea();
if (ttf_name_lookup("PCLT", false) != NULL)
ttf_read_pclt();
if (ttf_name_lookup("post", false) != NULL)
ttf_read_post();
/*tex Copy font file, including the newer variant: */
if (ttf_name_lookup("CFF2", false) != NULL)
tab = ttf_seek_tab("CFF2", 0);
else
tab = ttf_seek_tab("CFF ", 0);
cff = read_cff(ttf_buffer + ttf_curbyte, (long) tab->length, 0);
if (!is_subsetted(fd_cur->fm)) {
/*tex not subsetted, copy: */
for (i = (long) tab->length; i > 0; i--)
strbuf_putchar(pdf->fb, (unsigned char) ttf_getnum(1));
} else {
if (cff != NULL) {
if (cff_is_cidfont(cff)) {
write_cid_cff(pdf, cff, fd_cur);
} else {
write_cff(pdf, cff, fd_cur);
}
} else {
/*tex Just copy: */
for (i = (long) tab->length; i > 0; i--)
strbuf_putchar(pdf->fb, (unsigned char) ttf_getnum(1));
}
}
xfree(dir_tab);
xfree(ttf_buffer);
if (is_subsetted(fd_cur->fm)) {
report_stop_file(filetype_subset);
} else {
report_stop_file(filetype_font);
}
cur_file_name = NULL;
}
|