move TRANSPARENT #define from windows.h out of global namespace

so it doesn't conflict with enums

Change-Id: Ic4143130762d6e878d7c23276393ba09d9f86d45
Reviewed-on: https://gerrit.libreoffice.org/11880Tested-by: LibreOffice gerrit bot <gerrit@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/postwin.h

@@ -27,6 +27,12 @@
 #undef Folder
 #undef GradientStyle_RECT
 
+// so it doesn't conflict with enum values
+#undef TRANSPARENT
+#undef OPAQUE
+#define WIN32_TRANSPARENT 1
+#define WIN32_OPAQUE 2
+
 #define WIN_WB_LEFT               0
 #define WIN_WB_RIGHT              1
 #undef WB_LEFT

vcl/win/source/gdi/salgdi.cxx

@@ -489,7 +489,7 @@ void ImplSalInitGraphics( WinSalGraphics* pData )
     }
 
     ::SetTextAlign( pData->getHDC(), TA_BASELINE | TA_LEFT | TA_NOUPDATECP );
-    ::SetBkMode( pData->getHDC(), TRANSPARENT );
+    ::SetBkMode( pData->getHDC(), WIN32_TRANSPARENT );
     ::SetROP2( pData->getHDC(), R2_COPYPEN );
 }
 

vcl/win/source/window/salframe.cxx

@@ -3409,7 +3409,7 @@ static long ImplHandleKeyMsg( HWND hWnd, UINT nMsg,
     // as some tools such as RichWin may have changed it
     if ( pFrame->mpGraphics &&
          pFrame->mpGraphics->getHDC() )
-        SetBkMode( pFrame->mpGraphics->getHDC(), TRANSPARENT );
+        SetBkMode( pFrame->mpGraphics->getHDC(), WIN32_TRANSPARENT );
 
     // determine modifiers
     if ( GetKeyState( VK_SHIFT ) & 0x8000 )
@@ -5144,7 +5144,7 @@ static bool ImplHandleIMEComposition( HWND hWnd, LPARAM lParam )
         // as some tools such as RichWin may have changed it
         if ( pFrame->mpGraphics &&
              pFrame->mpGraphics->getHDC() )
-            SetBkMode( pFrame->mpGraphics->getHDC(), TRANSPARENT );
+            SetBkMode( pFrame->mpGraphics->getHDC(), WIN32_TRANSPARENT );
     }
 
     if ( pFrame && pFrame->mbHandleIME )