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basic implementation of GetLangScriptFromName and NormalizeScriptType

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Vincent Wei
2019-03-13 18:57:39 +08:00
parent 4c9e8138b1
commit cc9d9f6d42
2 changed files with 25 additions and 12 deletions
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include/gdi.h
+8
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@@ -11806,6 +11806,14 @@ static inline int GUIAPI LanguageCodeFromISO639s1Code (const char* iso639_1)
iso639_1[0]));
}
/** Get language code and script type from ISO639 language name. */
MG_EXPORT UCharScriptType GUIAPI GetLangScriptFromName(const char* lang_name,
int* lang_code);
/** Normalize script type according to language code */
MG_EXPORT UCharScriptType GUIAPI NormalizeScriptType(LanguageCode cl,
UCharScriptType ws);
/** @} end of language_code */
/**
src/font/unicode-script.c
+17 -12
View File
@@ -298,7 +298,8 @@ static int comp_lang(const void *k1, const void *k2)
return strcmp(sl1->lang, sl2->lang);
}
UCharScriptType GetLangScriptFromName(const char* lang_name, int* lang_code)
UCharScriptType GUIAPI GetLangScriptFromName(const char* lang_name,
int* lang_code)
{
const UCharScriptTypeForLang* matched;
@@ -321,23 +322,27 @@ UCharScriptType GetLangScriptFromName(const char* lang_name, int* lang_code)
/*
* https://www.w3.org/TR/css-text-3/#script-tagging
*/
UCharScriptType _unicode_normalize_script(LanguageCode cl,
UCharScriptType GUIAPI NormalizeScriptType(LanguageCode cl,
UCharScriptType ws)
{
if (cl == LANGCODE_zh && ws == UCHAR_SCRIPT_INVALID_CODE) {
if (ws == UCHAR_SCRIPT_BOPOMOFO) {
return UCHAR_SCRIPT_HAN;
}
else if (ws == UCHAR_SCRIPT_BOPOMOFO) {
if (ws != UCHAR_SCRIPT_INVALID_CODE)
return ws;
switch (cl) {
case LANGCODE_zh:
return UCHAR_SCRIPT_HAN;
}
else if (cl == LANGCODE_ja && ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_KATAKANA;
}
else if (cl == LANGCODE_ko && ws == UCHAR_SCRIPT_INVALID_CODE) {
case LANGCODE_ja:
return UCHAR_SCRIPT_HAN;
case LANGCODE_ko:
return UCHAR_SCRIPT_HANGUL;
}
else if (cl == LANGCODE_unknown || ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_INVALID_CODE;
case LANGCODE_unknown:
return UCHAR_SCRIPT_COMMON;
default:
break;
}
return ws;