gdi32: Implement FontIsLinked as a standard driver entry point.

dlls/gdi32/font.c

@@ -3378,10 +3378,12 @@ DWORD WINAPI GetFontUnicodeRanges(HDC hdc, LPGLYPHSET lpgs)
 BOOL WINAPI FontIsLinked(HDC hdc)
 {
     DC *dc = get_dc_ptr(hdc);
-    BOOL ret = FALSE;
+    PHYSDEV dev;
+    BOOL ret;
 
     if (!dc) return FALSE;
-    if (dc->gdiFont) ret = WineEngFontIsLinked(dc->gdiFont);
+    dev = GET_DC_PHYSDEV( dc, pFontIsLinked );
+    ret = dev->funcs->pFontIsLinked( dev );
     release_dc_ptr(dc);
     TRACE("returning %d\n", ret);
     return ret;

dlls/gdi32/freetype.c

@@ -6748,14 +6748,22 @@ static DWORD freetype_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphset )
 }
 
 /*************************************************************
- *     FontIsLinked
+ * freetype_FontIsLinked
  */
-BOOL WineEngFontIsLinked(GdiFont *font)
+static BOOL freetype_FontIsLinked( PHYSDEV dev )
 {
+    struct freetype_physdev *physdev = get_freetype_dev( dev );
     BOOL ret;
+
+    if (!physdev->font)
+    {
+        dev = GET_NEXT_PHYSDEV( dev, pFontIsLinked );
+        return dev->funcs->pFontIsLinked( dev );
+    }
+
     GDI_CheckNotLock();
     EnterCriticalSection( &freetype_cs );
-    ret = !list_empty(&font->child_fonts);
+    ret = !list_empty(&physdev->font->child_fonts);
     LeaveCriticalSection( &freetype_cs );
     return ret;
 }
@@ -7130,7 +7138,7 @@ static const struct gdi_dc_funcs freetype_funcs =
     NULL,                               /* pFillPath */
     NULL,                               /* pFillRgn */
     NULL,                               /* pFlattenPath */
-    NULL,                               /* pFontIsLinked */
+    freetype_FontIsLinked,              /* pFontIsLinked */
     NULL,                               /* pFrameRgn */
     NULL,                               /* pGdiComment */
     NULL,                               /* pGdiRealizationInfo */
@@ -7266,11 +7274,6 @@ BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph)
     return FALSE;
 }
 
-BOOL WineEngFontIsLinked(GdiFont *font)
-{
-    return FALSE;
-}
-
 /*************************************************************************
  *             GetRasterizerCaps   (GDI32.@)
  */

dlls/gdi32/gdi_private.h

@@ -293,7 +293,6 @@ extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 extern BOOL WineEngDestroyFontInstance(HFONT handle) DECLSPEC_HIDDEN;
 extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph) DECLSPEC_HIDDEN;
-extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
 extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;