GF_VERT is only used once, move it

Change-Id: I15289eecfbfb29ee549470a7f752e0c7fd9f811e
Reviewed-on: https://gerrit.libreoffice.org/31820Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Khaled Hosny <khaledhosny@eglug.org>

vcl/inc/salglyphid.hxx

@@ -22,14 +22,6 @@
 typedef sal_uInt32 sal_GlyphId;
 
 // Glyph Flags
-#ifdef _WIN32
-// caution !!!
-#define GF_VERT     0x02000000
-// GF_VERT is only for windows implementation
-// (win/gdi/salgdi3.cxx, win/gdi/winlayout.cxx)
-// don't use this elsewhere !!!
-#endif
-
 #define GF_FONTMASK 0xF0000000
 #define GF_FONTSHIFT 28
 

vcl/win/gdi/winlayout.cxx

@@ -296,7 +296,7 @@ bool ExTextOutRenderer::operator ()(SalLayout const &rLayout, HDC hDC,
         bGlyphs = true;
         WORD glyphWStr[] = { pGlyph->maGlyphId };
         if (pGlyph->IsVertical())
-            glyphWStr[0] |= GF_VERT;
+            glyphWStr[0] |= 0x02000000; // A (undocumented?) GDI flag for vertical glyphs
         ExtTextOutW(hDC, pPos->X(), pPos->Y(), ETO_GLYPH_INDEX, nullptr, LPCWSTR(&glyphWStr), 1, nullptr);
     }