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Implement NtGdiGetTextCharsetInfo, it tested good.

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svn path=/trunk/; revision=21015
This commit is contained in:
James Tabor 2006-01-25 07:39:46 +00:00
parent aeffcda51e
commit 317de5eb11
1 changed files with 85 additions and 2 deletions
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87
reactos/subsys/win32k/objects/text.c
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@ -2184,8 +2184,91 @@ NtGdiGetTextCharsetInfo(
OUT OPTIONAL LPFONTSIGNATURE lpSig,
IN DWORD dwFlags)
{
UNIMPLEMENTED;
return 0;
PDC Dc;
UINT Ret = DEFAULT_CHARSET, i = 0, fs_fsCsb0 = 0;
HFONT hFont;
PTEXTOBJ TextObj;
PFONTGDI FontGdi;
FONTSIGNATURE fs;
TT_OS2 *pOS2;
FT_Face Face;
NTSTATUS Status;
Dc = DC_LockDc(hdc);
if (!Dc)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return Ret;
}
hFont = Dc->w.hFont;
TextObj = TEXTOBJ_LockText(hFont);
DC_UnlockDc( Dc );
if ( TextObj == NULL)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return Ret;
}
FontGdi = ObjToGDI(TextObj->Font, FONT);
Face = FontGdi->face;
TEXTOBJ_UnlockText(TextObj);
IntLockFreeType;
pOS2 = FT_Get_Sfnt_Table(Face, ft_sfnt_os2);
IntUnLockFreeType;
memset(&fs, 0, sizeof(FONTSIGNATURE));
if (NULL != pOS2)
{
fs.fsCsb[0] = pOS2->ulCodePageRange1;
fs.fsCsb[1] = pOS2->ulCodePageRange2;
fs.fsUsb[0] = pOS2->ulUnicodeRange1;
fs.fsUsb[1] = pOS2->ulUnicodeRange2;
fs.fsUsb[2] = pOS2->ulUnicodeRange3;
fs.fsUsb[3] = pOS2->ulUnicodeRange4;
fs_fsCsb0 = pOS2->ulCodePageRange1;
if (pOS2->version == 0)
{
FT_UInt dummy;
if(FT_Get_First_Char( Face, &dummy ) < 0x100)
fs_fsCsb0 |= 1;
else
fs_fsCsb0 |= 1L << 31;
}
}
DPRINT("Csb 1=%x 0=%x\n", fs.fsCsb[1],fs.fsCsb[0]);
if (lpSig)
{
Status = MmCopyToCaller(lpSig, &fs, sizeof(FONTSIGNATURE));
if (! NT_SUCCESS(Status))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return Ret;
}
}
if (0 == fs_fsCsb0)
{ /* let's see if we can find any interesting cmaps */
for (i = 0; i < Face->num_charmaps; i++)
{
switch (Face->charmaps[i]->encoding)
{
case ft_encoding_unicode:
case ft_encoding_apple_roman:
fs_fsCsb0 |= 1;
break;
case ft_encoding_symbol:
fs_fsCsb0 |= 1L << 31;
break;
default:
break;
}
}
}
while (0 == (fs_fsCsb0 >> i & 0x0001) && i < MAXTCIINDEX)
{
i++;
}
Ret = FontTci[i].ciCharset;
DPRINT("CharSet %d\n",Ret);
return Ret;
}
static BOOL