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win32u: Use the first vertical alternates table regardless of script.

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Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56658
This commit is contained in:
Akihiro Sagawa 2024-05-14 21:55:17 +09:00
parent 93c71b6db7
commit 7b7d7270be
2 changed files with 12 additions and 124 deletions
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2
dlls/gdi32/tests/font.c
View file

@ -6317,7 +6317,7 @@ static void test_vertical_font(void)
ok(selected, "@WineTestVertical2 is not selected\n");
/* use the first vertical alternates table that doesn't replace U+2025 */
todo_wine ok(hgi == vgi, "different glyph h:%u v:%u\n", hgi, vgi);
ok(hgi == vgi, "different glyph h:%u v:%u\n", hgi, vgi);
ret = RemoveFontResourceExA(ttf_name, FR_PRIVATE, 0);
ok(ret, "RemoveFontResourceEx() error %ld\n", GetLastError());

134
dlls/win32u/font.c
View file

@ -2525,39 +2525,6 @@ typedef struct
WORD LookupList;
} GSUB_Header;
typedef struct
{
CHAR ScriptTag[4];
WORD Script;
} GSUB_ScriptRecord;
typedef struct
{
WORD ScriptCount;
GSUB_ScriptRecord ScriptRecord[1];
} GSUB_ScriptList;
typedef struct
{
CHAR LangSysTag[4];
WORD LangSys;
} GSUB_LangSysRecord;
typedef struct
{
WORD DefaultLangSys;
WORD LangSysCount;
GSUB_LangSysRecord LangSysRecord[1];
} GSUB_Script;
typedef struct
{
WORD LookupOrder; /* Reserved */
WORD ReqFeatureIndex;
WORD FeatureCount;
WORD FeatureIndex[1];
} GSUB_LangSys;
typedef struct
{
CHAR FeatureTag[4];
@ -2627,91 +2594,13 @@ typedef struct
WORD Substitute[1];
} GSUB_SingleSubstFormat2;
static GSUB_Script *GSUB_get_script_table( GSUB_Header *header, const char *tag )
{
GSUB_ScriptList *script;
GSUB_Script *deflt = NULL;
int i;
script = (GSUB_ScriptList *)((BYTE *)header + GET_BE_WORD(header->ScriptList));
TRACE("%i scripts in this font\n", GET_BE_WORD(script->ScriptCount) );
for (i = 0; i < GET_BE_WORD(script->ScriptCount); i++)
{
int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
GSUB_Script *scr = (GSUB_Script *)((BYTE *)script + offset);
if (!memcmp( script->ScriptRecord[i].ScriptTag, tag, 4 )) return scr;
if (!memcmp( script->ScriptRecord[i].ScriptTag, "dflt", 4 )) deflt = scr;
}
return deflt;
}
static GSUB_LangSys *GSUB_get_lang_table( GSUB_Script *script, const char *tag )
{
int i, offset;
GSUB_LangSys *lang;
TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script->DefaultLangSys), GET_BE_WORD(script->LangSysCount));
for (i = 0; i < GET_BE_WORD(script->LangSysCount) ; i++)
{
offset = GET_BE_WORD(script->LangSysRecord[i].LangSys);
lang = (GSUB_LangSys *)((BYTE *)script + offset);
if (!memcmp( script->LangSysRecord[i].LangSysTag, tag, 4 )) return lang;
}
offset = GET_BE_WORD(script->DefaultLangSys);
if (offset) return (GSUB_LangSys *)((BYTE *)script + offset);
return NULL;
}
static GSUB_Feature *GSUB_get_feature( GSUB_Header *header, GSUB_LangSys *lang, const char *tag )
{
int i;
const GSUB_FeatureList *feature;
feature = (GSUB_FeatureList *)((BYTE *)header + GET_BE_WORD(header->FeatureList));
TRACE("%i features\n",GET_BE_WORD(lang->FeatureCount));
for (i = 0; i < GET_BE_WORD(lang->FeatureCount); i++)
{
int index = GET_BE_WORD(lang->FeatureIndex[i]);
if (!memcmp( feature->FeatureRecord[index].FeatureTag, tag, 4 ))
return (GSUB_Feature *)((BYTE *)feature + GET_BE_WORD(feature->FeatureRecord[index].Feature));
}
return NULL;
}
static const char *get_opentype_script( const struct gdi_font *font )
{
/*
* I am not sure if this is the correct way to generate our script tag
*/
switch (font->charset)
{
case ANSI_CHARSET: return "latn";
case BALTIC_CHARSET: return "latn"; /* ?? */
case CHINESEBIG5_CHARSET: return "hani";
case EASTEUROPE_CHARSET: return "latn"; /* ?? */
case GB2312_CHARSET: return "hani";
case GREEK_CHARSET: return "grek";
case HANGUL_CHARSET: return "hang";
case RUSSIAN_CHARSET: return "cyrl";
case SHIFTJIS_CHARSET: return "kana";
case TURKISH_CHARSET: return "latn"; /* ?? */
case VIETNAMESE_CHARSET: return "latn";
case JOHAB_CHARSET: return "latn"; /* ?? */
case ARABIC_CHARSET: return "arab";
case HEBREW_CHARSET: return "hebr";
case THAI_CHARSET: return "thai";
default: return "latn";
}
}
static void *get_GSUB_vert_feature( struct gdi_font *font )
{
int i, j;
GSUB_Header *header;
GSUB_Script *script;
GSUB_LangSys *language;
GSUB_Feature *feature;
GSUB_FeatureList *feature_list;
UINT length = font_funcs->get_font_data( font, MS_GSUB_TAG, 0, NULL, 0 );
static const char* feature_tag[] = { "vrt2", "vert" };
if (length == GDI_ERROR) return NULL;
@ -2719,22 +2608,21 @@ static void *get_GSUB_vert_feature( struct gdi_font *font )
font_funcs->get_font_data( font, MS_GSUB_TAG, 0, header, length );
TRACE( "Loaded GSUB table of %i bytes\n", length );
if ((script = GSUB_get_script_table( header, get_opentype_script(font) )))
/* gdi doesn't use ScriptList and LangSys for vertical writing feature */
feature_list = (GSUB_FeatureList *)((BYTE *)header + GET_BE_WORD(header->FeatureList));
for (i = 0; i < ARRAY_SIZE(feature_tag); i++)
{
if ((language = GSUB_get_lang_table( script, "xxxx" ))) /* Need to get Lang tag */
for (j = 0; j < GET_BE_WORD(feature_list->FeatureCount); j++)
{
feature = GSUB_get_feature( header, language, "vrt2" );
if (!feature) feature = GSUB_get_feature( header, language, "vert" );
if (feature)
GSUB_FeatureRecord *feature = &feature_list->FeatureRecord[j];
if (!memcmp( feature->FeatureTag, feature_tag[i], 4 ))
{
font->gsub_table = header;
return feature;
return (BYTE *)feature_list + GET_BE_WORD(feature->Feature);
}
TRACE("vrt2/vert feature not found\n");
}
else TRACE("Language not found\n");
}
else TRACE("Script not found\n");
TRACE("vrt2/vert feature not found\n");
free( header );
return NULL;