must derive from wxDC, not wxDCBase

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22220 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/dcmirror.h b/include/wx/dcmirror.h
index fcb396113cfe1e23443998d50575597e0a3f092c..acf88579cde258f500d2cfe355056bfe2fe0e918 100644 (file)
--- a/include/wx/dcmirror.h
+++ b/include/wx/dcmirror.h
@@ -18,7 +18,7 @@
 // wxMirrorDC allows to write the same code for horz/vertical layout
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxMirrorDC : public wxDCBase
+class WXDLLEXPORT wxMirrorDC : public wxDC
 {
 public:
     // constructs a mirror DC associated with the given real DC
@@ -67,6 +67,12 @@ public:
     virtual void SetLogicalFunction(int function)
         { m_dc.SetLogicalFunction(function); }
 
+    // helper functions which may be useful for the users of this class
+    wxSize Reflect(const wxSize& sizeOrig)
+    {
+        return m_mirror ? wxSize(sizeOrig.y, sizeOrig.x) : sizeOrig;
+    }
+
 protected:
     // returns x and y if not mirroring or y and x if mirroring
     wxCoord GetX(wxCoord x, wxCoord y) const { return m_mirror ? y : x; }