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gdi32: Use local helpers for Unicode conversion in Unix lib. 

Based on ntdll.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-10-04 15:03:20 +01:00 committed by Alexandre Julliard
parent 6996627353
commit 763d8aa1cd
3 changed files with 106 additions and 8 deletions
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99
dlls/gdi32/font.c
View File

@ -3200,6 +3200,7 @@ static UINT get_glyph_index_symbol( struct gdi_font *font, UINT glyph )
CPTABLEINFO *get_cptable( WORD cp )
{
static CPTABLEINFO tables[100];
CPTABLEINFO *info;
unsigned int i;
USHORT *ptr;
SIZE_T size;
@ -3207,9 +3208,101 @@ CPTABLEINFO *get_cptable( WORD cp )
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];
if (i == ARRAY_SIZE(tables))
{
ERR( "too many code pages\n" );
return NULL;
}
info = &tables[i];
info->CodePage = ptr[1];
info->MaximumCharacterSize = ptr[2];
info->DefaultChar = ptr[3];
info->UniDefaultChar = ptr[4];
info->TransDefaultChar = ptr[5];
info->TransUniDefaultChar = ptr[6];
memcpy( info->LeadByte, ptr + 7, sizeof(info->LeadByte) );
ptr += ptr[0];
info->WideCharTable = ptr + ptr[0] + 1;
info->MultiByteTable = ++ptr;
ptr += 256;
if (*ptr++) ptr += 256; /* glyph table */
info->DBCSRanges = ptr;
if (*ptr) /* dbcs ranges */
{
info->DBCSCodePage = 1;
info->DBCSOffsets = ptr + 1;
}
else
{
info->DBCSCodePage = 0;
info->DBCSOffsets = NULL;
}
return info;
}
DWORD win32u_wctomb( CPTABLEINFO *info, char *dst, DWORD dstlen, const WCHAR *src, DWORD srclen )
{
DWORD i, ret;
if (!info && !(info = get_cptable( get_acp() ))) return 0;
srclen /= sizeof(WCHAR);
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
for (i = dstlen; srclen && i; i--, srclen--, src++)
{
if (uni2cp[*src] & 0xff00)
{
if (i == 1) break; /* do not output a partial char */
i--;
*dst++ = uni2cp[*src] >> 8;
}
*dst++ = (char)uni2cp[*src];
}
ret = dstlen - i;
}
else
{
char *uni2cp = info->WideCharTable;
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = uni2cp[src[i]];
}
return ret;
}
DWORD win32u_mbtowc( CPTABLEINFO *info, WCHAR *dst, DWORD dstlen, const char *src, DWORD srclen )
{
DWORD i, ret;
if (!info && !(info = get_cptable( get_acp() ))) return 0;
dstlen /= sizeof(WCHAR);
if (info->DBCSOffsets)
{
for (i = dstlen; srclen && i; i--, srclen--, src++, dst++)
{
USHORT off = info->DBCSOffsets[(unsigned char)*src];
if (off && srclen > 1)
{
src++;
srclen--;
*dst = info->DBCSOffsets[off + (unsigned char)*src];
}
else *dst = info->MultiByteTable[(unsigned char)*src];
}
ret = dstlen - i;
}
else
{
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = info->MultiByteTable[(unsigned char)src[i]];
}
return ret * sizeof(WCHAR);
}
static BOOL wc_to_index( UINT cp, WCHAR wc, unsigned char *dst, BOOL allow_default )

10
dlls/gdi32/freetype.c
View File

@ -602,7 +602,7 @@ static WCHAR *towstr(const char *str)
{
DWORD len = strlen(str) + 1;
WCHAR *wstr = malloc( len * sizeof(WCHAR) );
RtlMultiByteToUnicodeN( wstr, len * sizeof(WCHAR), &len, str, len );
win32u_mbtowc( NULL, wstr, len * sizeof(WCHAR), str, len );
return wstr;
}
@ -805,8 +805,8 @@ static WCHAR *copy_name_table_string( const FT_SfntName *name )
case TT_PLATFORM_MACINTOSH:
if (!(cp = get_mac_code_page( name ))) return NULL;
ret = malloc( (name->string_len + 1) * sizeof(WCHAR) );
RtlCustomCPToUnicodeN( cp, ret, name->string_len * sizeof(WCHAR), &i,
(char *)name->string, name->string_len );
i = win32u_mbtowc( cp, ret, name->string_len * sizeof(WCHAR),
(char *)name->string, name->string_len );
ret[i / sizeof(WCHAR)] = 0;
return ret;
}
@ -1165,7 +1165,7 @@ static WCHAR *decode_opentype_name( struct opentype_name *name )
{
CPTABLEINFO *cptable = get_cptable( name->codepage );
if (!cptable) return NULL;
RtlCustomCPToUnicodeN( cptable, buffer, sizeof(buffer), &len, name->bytes, name->length );
len = win32u_mbtowc( cptable, buffer, sizeof(buffer), name->bytes, name->length );
len /= sizeof(WCHAR);
}
@ -2577,7 +2577,7 @@ static BOOL CDECL freetype_get_glyph_index( struct gdi_font *font, UINT *glyph,
DWORD len;
char ch;
RtlUnicodeToMultiByteN( &ch, 1, &len, &wc, sizeof(wc) );
len = win32u_wctomb( NULL, &ch, 1, &wc, sizeof(wc) );
if (len) *glyph = get_glyph_index_symbol( font, (unsigned char)ch );
}
return TRUE;

5
dlls/gdi32/win32u_private.h
View File

@ -395,4 +395,9 @@ static inline LONG win32u_wcstol( LPCWSTR s, LPWSTR *end, INT base )
#define wcsrchr(s,c) win32u_wcsrchr(s,c)
#define wcstol(s,e,b) win32u_wcstol(s,e,b)
DWORD win32u_mbtowc( CPTABLEINFO *info, WCHAR *dst, DWORD dstlen, const char *src,
DWORD srclen ) DECLSPEC_HIDDEN;
DWORD win32u_wctomb( CPTABLEINFO *info, char *dst, DWORD dstlen, const WCHAR *src,
DWORD srclen ) DECLSPEC_HIDDEN;
#endif /* __WINE_WIN32U_PRIVATE */