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gdi32: Don't use WideCharToMultiByte in font.c. 

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 2021-09-29 14:07:45 +02:00 committed by Alexandre Julliard
parent 09362dbf75
commit 8ebd516f9b
1 changed files with 48 additions and 8 deletions
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56
dlls/gdi32/font.c
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@ -3204,11 +3204,52 @@ static UINT get_glyph_index_symbol( struct gdi_font *font, UINT glyph )
return index;
}
static CPTABLEINFO *get_cptable( WORD cp )
{
static CPTABLEINFO tables[100];
unsigned int i;
USHORT *ptr;
SIZE_T size;
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];
}
static BOOL wc_to_index( UINT cp, WCHAR wc, unsigned char *dst, BOOL allow_default )
{
const CPTABLEINFO *info;
if (!(info = get_cptable( cp ))) return FALSE;
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
if (uni2cp[wc] & 0xff00) return FALSE;
*dst = uni2cp[wc];
}
else
{
char *uni2cp = info->WideCharTable;
*dst = uni2cp[wc];
}
if (info->MultiByteTable[*dst] != wc)
{
if (!allow_default) return FALSE;
*dst = info->DefaultChar;
}
return TRUE;
}
static UINT get_glyph_index( struct gdi_font *font, UINT glyph )
{
WCHAR wc = glyph;
char ch;
BOOL used;
unsigned char ch;
if (font_funcs->get_glyph_index( font, &glyph, TRUE )) return glyph;
@ -3217,11 +3258,11 @@ static UINT get_glyph_index( struct gdi_font *font, UINT glyph )
glyph = get_glyph_index_symbol( font, wc );
if (!glyph)
{
if (WideCharToMultiByte( CP_ACP, WC_NO_BEST_FIT_CHARS, &wc, 1, &ch, 1, NULL, NULL ))
if (wc_to_index( CP_ACP, wc, &ch, TRUE ))
glyph = get_glyph_index_symbol( font, (unsigned char)ch );
}
}
else if (WideCharToMultiByte( font->codepage, WC_NO_BEST_FIT_CHARS, &wc, 1, &ch, 1, NULL, &used ) && !used)
else if (wc_to_index( font->codepage, wc, &ch, FALSE ))
{
glyph = (unsigned char)ch;
font_funcs->get_glyph_index( font, &glyph, FALSE );
@ -3505,8 +3546,8 @@ static DWORD CDECL font_GetGlyphIndices( PHYSDEV dev, const WCHAR *str, INT coun
{
struct font_physdev *physdev = get_font_dev( dev );
UINT default_char;
char ch;
BOOL used, got_default = FALSE;
unsigned char ch;
BOOL got_default = FALSE;
int i;
if (!physdev->font)
@ -3535,8 +3576,7 @@ static DWORD CDECL font_GetGlyphIndices( PHYSDEV dev, const WCHAR *str, INT coun
if (str[i] >= 0xf020 && str[i] <= 0xf100) glyph = str[i] - 0xf000;
else if (str[i] < 0x100) glyph = str[i];
}
else if (WideCharToMultiByte( physdev->font->codepage, WC_NO_BEST_FIT_CHARS, &str[i], 1,
&ch, 1, NULL, &used ) && !used)
else if (wc_to_index( physdev->font->codepage, str[i], &ch, FALSE ))
glyph = (unsigned char)ch;
}
if (!glyph)