Don't create multiple parent-less top level frames in layout sample.

[wxWidgets.git] / include / wx / dcgraph.h

diff --git a/include/wx/dcgraph.h b/include/wx/dcgraph.h
index c0fa7451b1193fd550d80392142834daef1d088d..95f0732d0695d3d0e205400c01885dae32d11b36 100644 (file)
--- a/include/wx/dcgraph.h
+++ b/include/wx/dcgraph.h
@@ -68,9 +68,6 @@ public:
 
     virtual ~wxGCDCImpl();
 
-    void Init();
-
-
     // implement base class pure virtuals
     // ----------------------------------
 
@@ -112,6 +109,8 @@ public:
     wxGraphicsContext* GetGraphicsContext() const { return m_graphicContext; }
     virtual void SetGraphicsContext( wxGraphicsContext* ctx );
 
+    virtual void* GetHandle() const;
+
     // the true implementations
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                              wxFloodFillStyle style = wxFLOOD_SURFACE);
@@ -178,12 +177,12 @@ public:
     virtual void DoGetSize(int *,int *) const;
     virtual void DoGetSizeMM(int* width, int* height) const;
 
-    virtual void DoDrawLines(int n, wxPoint points[],
+    virtual void DoDrawLines(int n, const wxPoint points[],
         wxCoord xoffset, wxCoord yoffset);
-    virtual void DoDrawPolygon(int n, wxPoint points[],
+    virtual void DoDrawPolygon(int n, const wxPoint points[],
                                wxCoord xoffset, wxCoord yoffset,
                                wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
-    virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
+    virtual void DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
                                    wxCoord xoffset, wxCoord yoffset,
                                    wxPolygonFillMode fillStyle);
 
@@ -204,6 +203,10 @@ public:
 #endif // __WXMSW__
 
 protected:
+    // unused int parameter distinguishes this version, which does not create a
+    // wxGraphicsContext, in the expectation that the derived class will do it
+    wxGCDCImpl(wxDC* owner, int);
+
     // scaling variables
     bool m_logicalFunctionSupported;
     wxGraphicsMatrix m_matrixOriginal;
@@ -213,6 +216,9 @@ protected:
 
     wxGraphicsContext* m_graphicContext;
 
+private:
+    void Init(wxGraphicsContext*);
+
     DECLARE_CLASS(wxGCDCImpl)
     wxDECLARE_NO_COPY_CLASS(wxGCDCImpl);
 };