adding PICT support in Quartz - whose native metafile format is PDF

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@49032 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/metafile.h

@@ -57,6 +57,10 @@ public:
     // Implementation
     WXHMETAFILE GetHMETAFILE() const ;
     void SetHMETAFILE(WXHMETAFILE mf) ;
+    // Since the native metafile format is PDF for Quartz
+    // we need a call that allows setting PICT content for
+    // backwards compatibility
+    void SetPICT(void* pictHandle) ;
 };
 
 class WXDLLEXPORT wxMetafileDC: public wxDC