stub implementations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43013 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/graphicc.cpp

@@ -1172,6 +1172,8 @@ public :
 
     virtual wxGraphicsContext * CreateContext( wxWindow* window );
 
+    virtual wxGraphicsContext * CreateMeasuringContext();
+
     // Path
 
     virtual wxGraphicsPath CreatePath();
@@ -1237,6 +1239,12 @@ wxGraphicsContext * wxCairoRenderer::CreateContextFromNativeWindow( void * windo
 #endif
 }
 
+wxGraphicsContext * wxCairoRenderer::CreateMeasuringContext()
+{
+    return NULL;
+    // TODO
+}
+
 wxGraphicsContext * wxCairoRenderer::CreateContext( wxWindow* window )
 {
     return new wxCairoContext(this, window );