Implement wxBG_STYLE_TRANSPARENT support for wxGTK.

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

diff --git a/include/wx/dcgraph.h b/include/wx/dcgraph.h
index 364d4358944826f92b171c9e3582a8f074501a6e..99ecc11fca490e0aeed7d4b29b71f9fa9a5c3e97 100644 (file)
--- a/include/wx/dcgraph.h
+++ b/include/wx/dcgraph.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wx/graphdc.h
+// Name:        wx/dcgraph.h
 // Purpose:     graphics context device bridge header
 // Author:      Stefan Csomor
 // Modified by:
@@ -29,12 +29,25 @@ public:
 #if wxUSE_PRINTING_ARCHITECTURE
     wxGCDC( const wxPrinterDC& dc );
 #endif
+#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
+    wxGCDC( const wxEnhMetaFileDC& dc );
+#endif
+    wxGCDC(wxGraphicsContext* context);
+    
     wxGCDC();
     virtual ~wxGCDC();
- 
-    wxGraphicsContext* GetGraphicsContext();
+
+    wxGraphicsContext* GetGraphicsContext() const;
     void SetGraphicsContext( wxGraphicsContext* ctx );
-    
+
+#ifdef __WXMSW__
+    // override wxDC virtual functions to provide access to HDC associated with
+    // this Graphics object (implemented in src/msw/graphics.cpp)
+    virtual WXHDC AcquireHDC();
+    virtual void ReleaseHDC(WXHDC hdc);
+#endif // __WXMSW__
+
+private:
     DECLARE_DYNAMIC_CLASS(wxGCDC)
     wxDECLARE_NO_COPY_CLASS(wxGCDC);
 };
@@ -47,9 +60,12 @@ public:
     wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc );
 #if wxUSE_PRINTING_ARCHITECTURE
     wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc );
+#endif
+#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
+    wxGCDCImpl( wxDC *owner, const wxEnhMetaFileDC& dc );
 #endif
     wxGCDCImpl( wxDC *owner );
-    
+
     virtual ~wxGCDCImpl();
 
     void Init();
@@ -65,7 +81,7 @@ public:
 
     virtual void StartPage();
     virtual void EndPage();
-    
+
     // flushing the content of this dc immediately onto screen
     virtual void Flush();
 
@@ -95,9 +111,9 @@ public:
 
     virtual void ComputeScaleAndOrigin();
 
-    wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; }
+    wxGraphicsContext* GetGraphicsContext() const { return m_graphicContext; }
     virtual void SetGraphicsContext( wxGraphicsContext* ctx );
-    
+
     // the true implementations
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                              wxFloodFillStyle style = wxFLOOD_SURFACE);
@@ -150,7 +166,7 @@ public:
 
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
-                        wxRasterOperationMode rop = wxCOPY, bool useMask = false, 
+                        wxRasterOperationMode rop = wxCOPY, bool useMask = false,
                         wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
 
     virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
@@ -185,6 +201,10 @@ public:
 
     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
 
+#ifdef __WXMSW__
+    virtual wxRect MSWApplyGDIPlusTransform(const wxRect& r) const;
+#endif // __WXMSW__
+
 protected:
     // scaling variables
     bool m_logicalFunctionSupported;
@@ -195,7 +215,7 @@ protected:
     double m_formerScaleX, m_formerScaleY;
 
     wxGraphicsContext* m_graphicContext;
-    
+
     DECLARE_CLASS(wxGCDCImpl)
     wxDECLARE_NO_COPY_CLASS(wxGCDCImpl);
 };