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gdi32: Cache the codepage tables also for OpenType names mapping. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-02-03 20:55:06 +01:00
parent 0ec38429f3
commit 9581b2df8c
1 changed files with 18 additions and 16 deletions
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34
dlls/gdi32/freetype.c
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@ -714,21 +714,27 @@ static const LANGID mac_langid_table[] =
MAKELANGID(LANG_AZERI,SUBLANG_AZERI_LATIN), /* TT_MAC_LANGID_AZERBAIJANI_ROMAN_SCRIPT */
};
static CPTABLEINFO *get_mac_code_page( const FT_SfntName *name )
static CPTABLEINFO *get_cptable( WORD cp )
{
static CPTABLEINFO tables[100];
int id = name->encoding_id;
unsigned int i;
USHORT *ptr;
SIZE_T size;
if (name->encoding_id == TT_MAC_ID_SIMPLIFIED_CHINESE) id = 8; /* special case */
if (id >= ARRAY_SIZE(tables)) return NULL;
if (!tables[id].CodePage)
{
if (NtGetNlsSectionPtr( 11, 10000 + id, NULL, (void **)&ptr, &size )) return NULL;
RtlInitCodePageTable( ptr, &tables[id] );
for (i = 0; i < ARRAY_SIZE(tables) && tables[i].CodePage; i++)
if (tables[i].CodePage == cp) return &tables[i];
if (NtGetNlsSectionPtr( 11, cp, NULL, (void **)&ptr, &size )) return NULL;
if (i == ARRAY_SIZE(tables)) ERR( "too many code pages\n" );
RtlInitCodePageTable( ptr, &tables[i] );
return &tables[i];
}
return &tables[id];
static CPTABLEINFO *get_mac_code_page( const FT_SfntName *name )
{
int id = name->encoding_id;
if (name->encoding_id == TT_MAC_ID_SIMPLIFIED_CHINESE) id = 8; /* special case */
return get_cptable( 10000 + id );
}
static int match_name_table_language( const FT_SfntName *name, LANGID lang )
@ -1144,9 +1150,6 @@ static BOOL search_face_name_callback( LANGID langid, struct opentype_name *name
static WCHAR *decode_opentype_name( struct opentype_name *name )
{
CPTABLEINFO codepage_info;
USHORT *codepage_ptr;
SIZE_T codepage_size;
WCHAR buffer[512];
DWORD len;
@ -1158,11 +1161,10 @@ static WCHAR *decode_opentype_name( struct opentype_name *name )
}
else
{
NtGetNlsSectionPtr( 11, name->codepage, NULL, (void **)&codepage_ptr, &codepage_size );
RtlInitCodePageTable( codepage_ptr, &codepage_info );
RtlCustomCPToUnicodeN( &codepage_info, buffer, sizeof(buffer), &len, name->bytes, name->length );
CPTABLEINFO *cptable = get_cptable( name->codepage );
if (!cptable) return NULL;
RtlCustomCPToUnicodeN( cptable, buffer, sizeof(buffer), &len, name->bytes, name->length );
len /= sizeof(WCHAR);
NtUnmapViewOfSection( GetCurrentProcess(), codepage_ptr );
}
buffer[ARRAY_SIZE(buffer) - 1] = 0;