+DWORD
+FASTCALL
+GreGetGlyphIndicesW(
+ HDC hdc,
+ LPWSTR pwc,
+ INT cwc,
+ LPWORD pgi,
+ DWORD iMode,
+ DWORD Unknown)
+{
+ PDC dc;
+ PDC_ATTR pdcattr;
+ PTEXTOBJ TextObj;
+ PFONTGDI FontGDI;
+ HFONT hFont = 0;
+ OUTLINETEXTMETRICW *potm;
+ INT i;
+ FT_Face face;
+ WCHAR DefChar = 0xffff;
+ PWSTR Buffer = NULL;
+ ULONG Size;
+
+ if ((!pwc) && (!pgi)) return cwc;
+
+ dc = DC_LockDc(hdc);
+ if (!dc)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return GDI_ERROR;
+ }
+ pdcattr = dc->pdcattr;
+ hFont = pdcattr->hlfntNew;
+ TextObj = RealizeFontInit(hFont);
+ DC_UnlockDc(dc);
+ if (!TextObj)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return GDI_ERROR;
+ }
+
+ FontGDI = ObjToGDI(TextObj->Font, FONT);
+ TEXTOBJ_UnlockText(TextObj);
+
+ Buffer = ExAllocatePoolWithTag(PagedPool, cwc*sizeof(WORD), TAG_GDITEXT);
+ if (!Buffer)
+ {
+ SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
+ return GDI_ERROR;
+ }
+
+ if (iMode & GGI_MARK_NONEXISTING_GLYPHS) DefChar = 0x001f; /* Indicate non existence */
+ else
+ {
+ Size = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
+ potm = ExAllocatePoolWithTag(PagedPool, Size, TAG_GDITEXT);
+ if (!potm)
+ {
+ SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
+ cwc = GDI_ERROR;
+ goto ErrorRet;
+ }
+ IntGetOutlineTextMetrics(FontGDI, Size, potm);
+ DefChar = potm->otmTextMetrics.tmDefaultChar; // May need this.
+ ExFreePool(potm);
+ }
+
+ IntLockFreeType;
+ face = FontGDI->face;
+
+ for (i = 0; i < cwc; i++)
+ {
+ Buffer[i] = FT_Get_Char_Index(face, pwc[i]);
+ if (Buffer[i] == 0)
+ {
+ if (DefChar == 0xffff && FT_IS_SFNT(face))
+ {
+ TT_OS2 *pOS2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2);
+ DefChar = (pOS2->usDefaultChar ? FT_Get_Char_Index(face, pOS2->usDefaultChar) : 0);
+ }
+ Buffer[i] = DefChar;
+ }
+ }
+
+ IntUnLockFreeType;
+
+ RtlCopyMemory( pgi, Buffer, cwc*sizeof(WORD));
+
+ErrorRet:
+ if (Buffer) ExFreePoolWithTag(Buffer, TAG_GDITEXT);
+ return cwc;
+}
+
projects / reactos.git / blobdiff