gdi32: Implement GetFontUnicodeRanges as a standard driver entry point.

dlls/gdi32/font.c

@@ -3397,14 +3397,16 @@ BOOL WINAPI GetCharWidthI(HDC hdc, UINT first, UINT count, LPWORD glyphs, LPINT
  */
 DWORD WINAPI GetFontUnicodeRanges(HDC hdc, LPGLYPHSET lpgs)
 {
-    DWORD ret = 0;
+    DWORD ret;
+    PHYSDEV dev;
     DC *dc = get_dc_ptr(hdc);
 
     TRACE("(%p, %p)\n", hdc, lpgs);
 
     if (!dc) return 0;
 
-    if (dc->gdiFont) ret = WineEngGetFontUnicodeRanges(dc->gdiFont, lpgs);
+    dev = GET_DC_PHYSDEV( dc, pGetFontUnicodeRanges );
+    ret = dev->funcs->pGetFontUnicodeRanges( dev, lpgs );
     release_dc_ptr(dc);
     return ret;
 }

dlls/gdi32/freetype.c

@@ -6675,11 +6675,21 @@ static DWORD get_font_unicode_ranges(FT_Face face, GLYPHSET *gs)
     return num_ranges;
 }
 
-DWORD WineEngGetFontUnicodeRanges(GdiFont *font, LPGLYPHSET glyphset)
+/*************************************************************
+ * freetype_GetFontUnicodeRanges
+ */
+static DWORD freetype_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphset )
 {
-    DWORD size = 0;
-    DWORD num_ranges = get_font_unicode_ranges(font->ft_face, glyphset);
+    struct freetype_physdev *physdev = get_freetype_dev( dev );
+    DWORD size, num_ranges;
 
+    if (!physdev->font)
+    {
+        dev = GET_NEXT_PHYSDEV( dev, pGetFontUnicodeRanges );
+        return dev->funcs->pGetFontUnicodeRanges( dev, glyphset );
+    }
+
+    num_ranges = get_font_unicode_ranges(physdev->font->ft_face, glyphset);
     size = sizeof(GLYPHSET) + sizeof(WCRANGE) * (num_ranges - 1);
     if (glyphset)
     {
@@ -7072,7 +7082,7 @@ static const struct gdi_dc_funcs freetype_funcs =
     NULL,                               /* pGetDeviceCaps */
     NULL,                               /* pGetDeviceGammaRamp */
     NULL,                               /* pGetFontData */
-    NULL,                               /* pGetFontUnicodeRanges */
+    freetype_GetFontUnicodeRanges,      /* pGetFontUnicodeRanges */
     NULL,                               /* pGetGlyphIndices */
     NULL,                               /* pGetGlyphOutline */
     NULL,                               /* pGetICMProfile */
@@ -7245,12 +7255,6 @@ BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph)
     return FALSE;
 }
 
-DWORD WineEngGetFontUnicodeRanges(GdiFont *font, LPGLYPHSET glyphset)
-{
-    FIXME("(%p, %p): stub\n", font, glyphset);
-    return 0;
-}
-
 BOOL WineEngFontIsLinked(GdiFont *font)
 {
     return FALSE;

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 DWORD WineEngGetFontData(GdiFont*, DWORD, DWORD, LPVOID, DWORD) DECLSPEC_HIDDEN;
-extern DWORD WineEngGetFontUnicodeRanges(GdiFont *, LPGLYPHSET) DECLSPEC_HIDDEN;
 extern DWORD WineEngGetGlyphIndices(GdiFont *font, LPCWSTR lpstr, INT count,
                                     LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
 extern DWORD WineEngGetGlyphOutline(GdiFont*, UINT glyph, UINT format,