138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
#include <iconv.h>
|
|
#include <errno.h>
|
|
#include "find-font.h"
|
|
|
|
struct mac_font_mapping {
|
|
unsigned short encoding_id;
|
|
unsigned short language_id;
|
|
const char *code_page;
|
|
};
|
|
|
|
#define TT_MAC_LANGID_ANY 0xFFFF
|
|
|
|
static const struct mac_font_mapping mac_codes[] = {
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_ENGLISH, "macintosh"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_ICELANDIC, "x-mac-icelandic"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_TURKISH, "x-mac-ce"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_POLISH, "x-mac-ce"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_ROMANIAN, "x-mac-romanian"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_CZECH, "x-mac-ce"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_SLOVAK, "x-mac-ce"},
|
|
{TT_MAC_ID_ROMAN, TT_MAC_LANGID_ANY, "macintosh"},
|
|
{TT_MAC_ID_JAPANESE, TT_MAC_LANGID_JAPANESE, "Shift_JIS"},
|
|
{TT_MAC_ID_JAPANESE, TT_MAC_LANGID_ANY, "Shift_JIS"},
|
|
{TT_MAC_ID_KOREAN, TT_MAC_LANGID_KOREAN, "EUC-KR"},
|
|
{TT_MAC_ID_KOREAN, TT_MAC_LANGID_ANY, "EUC-KR"},
|
|
{TT_MAC_ID_ARABIC, TT_MAC_LANGID_ARABIC, "x-mac-arabic"},
|
|
{TT_MAC_ID_ARABIC, TT_MAC_LANGID_URDU, "x-mac-farsi"},
|
|
{TT_MAC_ID_ARABIC, TT_MAC_LANGID_FARSI, "x-mac-farsi"},
|
|
{TT_MAC_ID_ARABIC, TT_MAC_LANGID_ANY, "x-mac-arabic"},
|
|
{TT_MAC_ID_HEBREW, TT_MAC_LANGID_HEBREW, "x-mac-hebrew"},
|
|
{TT_MAC_ID_HEBREW, TT_MAC_LANGID_ANY, "x-mac-hebrew"},
|
|
{TT_MAC_ID_GREEK, TT_MAC_LANGID_ANY, "x-mac-greek"},
|
|
{TT_MAC_ID_RUSSIAN, TT_MAC_LANGID_ANY, "x-mac-cyrillic"},
|
|
{TT_MAC_ID_DEVANAGARI, TT_MAC_LANGID_ANY, "x-mac-devanagari"},
|
|
{TT_MAC_ID_GURMUKHI, TT_MAC_LANGID_ANY, "x-mac-gurmukhi"},
|
|
{TT_MAC_ID_GUJARATI, TT_MAC_LANGID_ANY, "x-mac-gujarati"},
|
|
{TT_MAC_ID_TRADITIONAL_CHINESE, TT_MAC_LANGID_CHINESE_SIMPLIFIED,
|
|
"Big5"},
|
|
{TT_MAC_ID_TRADITIONAL_CHINESE, TT_MAC_LANGID_ANY, "Big5"},
|
|
{TT_MAC_ID_SIMPLIFIED_CHINESE, TT_MAC_LANGID_CHINESE_SIMPLIFIED,
|
|
"GB2312"},
|
|
{TT_MAC_ID_SIMPLIFIED_CHINESE, TT_MAC_LANGID_ANY, "GB2312"}};
|
|
|
|
const char *iso_codes[] = {"us-ascii", NULL, "iso-8859-1"};
|
|
|
|
const char *ms_codes[] = {"UTF-16BE", "UTF-16BE", "Shift_JIS", NULL,
|
|
"Big5", NULL, NULL, NULL,
|
|
NULL, NULL, "UTF-16BE"};
|
|
|
|
static const size_t mac_code_count = sizeof(mac_codes) / sizeof(mac_codes[0]);
|
|
static const size_t iso_code_count = sizeof(iso_codes) / sizeof(iso_codes[0]);
|
|
static const size_t ms_code_count = sizeof(ms_codes) / sizeof(ms_codes[0]);
|
|
|
|
static const char *get_mac_code(uint16_t encoding_id, uint16_t language_id)
|
|
{
|
|
for (size_t i = 0; i < mac_code_count; i++) {
|
|
const struct mac_font_mapping *mac_code = &mac_codes[i];
|
|
|
|
if (mac_code->encoding_id == encoding_id &&
|
|
mac_code->language_id == language_id)
|
|
return mac_code->code_page;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const char *get_code_page_for_font(uint16_t platform_id,
|
|
uint16_t encoding_id,
|
|
uint16_t language_id)
|
|
{
|
|
const char *ret;
|
|
|
|
switch (platform_id) {
|
|
case TT_PLATFORM_APPLE_UNICODE:
|
|
return "UTF-16BE";
|
|
case TT_PLATFORM_MACINTOSH:
|
|
ret = get_mac_code(encoding_id, language_id);
|
|
if (!ret)
|
|
ret = get_mac_code(encoding_id, TT_MAC_LANGID_ANY);
|
|
return ret;
|
|
case TT_PLATFORM_ISO:
|
|
if (encoding_id < iso_code_count)
|
|
return iso_codes[encoding_id];
|
|
break;
|
|
case TT_PLATFORM_MICROSOFT:
|
|
if (encoding_id < ms_code_count)
|
|
return ms_codes[encoding_id];
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
char *sfnt_name_to_utf8(FT_SfntName *sfnt_name)
|
|
{
|
|
const char *charset = get_code_page_for_font(sfnt_name->platform_id,
|
|
sfnt_name->encoding_id,
|
|
sfnt_name->language_id);
|
|
char utf8[256];
|
|
char *conv_in, *conv_out;
|
|
size_t in_len, out_len;
|
|
|
|
if (!charset) {
|
|
blog(LOG_DEBUG,
|
|
"invalid character set found, "
|
|
"platform_id: %d, encoding_id: %d, "
|
|
"language_id: %d",
|
|
sfnt_name->platform_id, sfnt_name->encoding_id,
|
|
sfnt_name->language_id);
|
|
return NULL;
|
|
}
|
|
|
|
iconv_t ic = iconv_open("UTF-8", charset);
|
|
if (ic == (iconv_t)-1) {
|
|
blog(LOG_DEBUG,
|
|
"couldn't intialize font code page "
|
|
"conversion: '%s' to 'utf-8': errno = %d",
|
|
charset, (int)errno);
|
|
return NULL;
|
|
}
|
|
|
|
conv_in = (char *)sfnt_name->string;
|
|
conv_out = utf8;
|
|
in_len = sfnt_name->string_len;
|
|
out_len = 256;
|
|
|
|
size_t n = iconv(ic, &conv_in, &in_len, &conv_out, &out_len);
|
|
if (n == (size_t)-1) {
|
|
blog(LOG_WARNING, "couldn't convert font name text: errno = %d",
|
|
(int)errno);
|
|
iconv_close(ic);
|
|
return NULL;
|
|
}
|
|
|
|
iconv_close(ic);
|
|
*conv_out = 0;
|
|
return bstrdup(utf8);
|
|
}
|