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gdi32: Use NtGdiGetCharWidthW for GetCharWidth.

Browse source 
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 2021-08-26 13:45:14 +01:00 committed by Alexandre Julliard
parent c3ad3f2bd0
commit baa6056980
3 changed files with 103 additions and 41 deletions
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45
dlls/gdi32/font.c
View file

@ -4862,11 +4862,10 @@ static LPSTR FONT_GetCharsByRangeA(HDC hdc, UINT firstChar, UINT lastChar, PINT
}
/***********************************************************************
* GetCharWidthW (GDI32.@)
* GetCharWidth32W (GDI32.@)
* NtGdiGetCharWidthW (win32u.@)
*/
BOOL WINAPI GetCharWidth32W( HDC hdc, UINT firstChar, UINT lastChar,
LPINT buffer )
BOOL WINAPI NtGdiGetCharWidthW( HDC hdc, UINT firstChar, UINT lastChar, WCHAR *chars,
ULONG flags, void *buf )
{
UINT i;
BOOL ret;
@ -4876,10 +4875,11 @@ BOOL WINAPI GetCharWidth32W( HDC hdc, UINT firstChar, UINT lastChar,
if (!dc) return FALSE;
dev = GET_DC_PHYSDEV( dc, pGetCharWidth );
ret = dev->funcs->pGetCharWidth( dev, firstChar, lastChar, buffer );
ret = dev->funcs->pGetCharWidth( dev, firstChar, lastChar, buf );
if (ret)
{
INT *buffer = buf;
/* convert device units to logical */
for( i = firstChar; i <= lastChar; i++, buffer++ )
*buffer = width_to_LP( dc, *buffer );
@ -4889,41 +4889,6 @@ BOOL WINAPI GetCharWidth32W( HDC hdc, UINT firstChar, UINT lastChar,
}
/***********************************************************************
* GetCharWidthA (GDI32.@)
* GetCharWidth32A (GDI32.@)
*/
BOOL WINAPI GetCharWidth32A( HDC hdc, UINT firstChar, UINT lastChar,
LPINT buffer )
{
INT i, wlen;
LPSTR str;
LPWSTR wstr;
BOOL ret = TRUE;
str = FONT_GetCharsByRangeA(hdc, firstChar, lastChar, &i);
if(str == NULL)
return FALSE;
wstr = FONT_mbtowc(hdc, str, i, &wlen, NULL);
for(i = 0; i < wlen; i++)
{
if(!GetCharWidth32W(hdc, wstr[i], wstr[i], buffer))
{
ret = FALSE;
break;
}
buffer++;
}
HeapFree(GetProcessHeap(), 0, str);
HeapFree(GetProcessHeap(), 0, wstr);
return ret;
}
/* helper for nulldrv_ExtTextOut */
static DWORD get_glyph_bitmap( HDC hdc, UINT index, UINT flags, UINT aa_flags,
GLYPHMETRICS *metrics, struct gdi_image_bits *image )

93
dlls/gdi32/text.c
View file

@ -1570,3 +1570,96 @@ UINT WINAPI GetOutlineTextMetricsW( HDC hdc, UINT size, OUTLINETEXTMETRICW *otm
{
return NtGdiGetOutlineTextMetricsInternalW( hdc, size, otm, 0 );
}
/***********************************************************************
* GetCharWidthW (GDI32.@)
* GetCharWidth32W (GDI32.@)
*/
BOOL WINAPI GetCharWidth32W( HDC hdc, UINT first, UINT last, INT *buffer )
{
return NtGdiGetCharWidthW( hdc, first, last, NULL, NTGDI_GETCHARWIDTH_INT, buffer );
}
static char *get_chars_by_range( HDC hdc, UINT first, UINT last, INT *byte_len )
{
INT i, count = last - first + 1;
UINT mbcp;
UINT c;
LPSTR str;
if (count <= 0)
return NULL;
mbcp = GdiGetCodePage( hdc );
switch (mbcp)
{
case 932:
case 936:
case 949:
case 950:
case 1361:
if (last > 0xffff)
return NULL;
if ((first ^ last) > 0xff)
return NULL;
break;
default:
if (last > 0xff)
return NULL;
mbcp = 0;
break;
}
if (!(str = HeapAlloc( GetProcessHeap(), 0, count * 2 + 1 )))
return NULL;
for (i = 0, c = first; c <= last; i++, c++)
{
if (mbcp) {
if (c > 0xff)
str[i++] = (BYTE)(c >> 8);
if (c <= 0xff && IsDBCSLeadByteEx( mbcp, c ))
str[i] = 0x1f; /* FIXME: use default character */
else
str[i] = (BYTE)c;
}
else
str[i] = (BYTE)c;
}
str[i] = '\0';
*byte_len = i;
return str;
}
/***********************************************************************
* GetCharWidthA (GDI32.@)
* GetCharWidth32A (GDI32.@)
*/
BOOL WINAPI GetCharWidth32A( HDC hdc, UINT first, UINT last, INT *buffer )
{
INT i, wlen;
LPSTR str;
LPWSTR wstr;
BOOL ret = TRUE;
str = get_chars_by_range( hdc, first, last, &i );
if (str == NULL)
return FALSE;
wstr = text_mbtowc( hdc, str, i, &wlen, NULL );
for(i = 0; i < wlen; i++)
{
if(!GetCharWidth32W( hdc, wstr[i], wstr[i], buffer ))
{
ret = FALSE;
break;
}
buffer++;
}
HeapFree( GetProcessHeap(), 0, str );
HeapFree( GetProcessHeap(), 0, wstr );
return ret;
}

6
include/ntgdi.h
View file

@ -123,6 +123,9 @@ enum
NtGdiSetDIBColorTable,
};
#define NTGDI_GETCHARWIDTH_INT 0x02
#define NTGDI_GETCHARWIDTH_INDICES 0x08
#define MWT_SET 4
/* structs not compatible with native Windows */
@ -227,7 +230,8 @@ INT WINAPI NtGdiGetAppClipBox( HDC hdc, RECT *rect );
BOOL WINAPI NtGdiGetBitmapDimension( HBITMAP bitmap, SIZE *size );
UINT WINAPI NtGdiGetBoundsRect( HDC hdc, RECT *rect, UINT flags );
BOOL WINAPI NtGdiGetCharABCWidthsW( HDC hdc, UINT first_char, UINT last_char, ABC *abc );
BOOL WINAPI NtGdiGetCharWidthW( HDC hdc, UINT first_char, UINT last_char, INT *buffer );
BOOL WINAPI NtGdiGetCharWidthW( HDC hdc, UINT first_char, UINT last_char, WCHAR *chars,
ULONG flags, void *buffer );
BOOL WINAPI NtGdiGetDCDword( HDC hdc, UINT method, DWORD *result );
BOOL WINAPI NtGdiGetDCPoint( HDC hdc, UINT method, POINT *result );
INT WINAPI NtGdiGetDeviceCaps( HDC hdc, INT cap );