support SDK < 10.6, fixes #14902

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

diff --git a/include/wx/dcgraph.h b/include/wx/dcgraph.h
index 0db43629ac31bed941137e9693d845a60d5ad8fc..d010b63ae405804ebf4c11102a3f0aa1ada049cf 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:
@@ -29,14 +29,27 @@ 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)
-    DECLARE_NO_COPY_CLASS(wxGCDC)
+    wxDECLARE_NO_COPY_CLASS(wxGCDC);
 };
 
 
@@ -47,13 +60,13 @@ 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();
 
+    virtual ~wxGCDCImpl();
 
     // implement base class pure virtuals
     // ----------------------------------
@@ -65,7 +78,7 @@ public:
 
     virtual void StartPage();
     virtual void EndPage();
-    
+
     // flushing the content of this dc immediately onto screen
     virtual void Flush();
 
@@ -86,8 +99,6 @@ public:
     virtual int GetDepth() const;
     virtual wxSize GetPPI() const;
 
-    virtual void SetMapMode(wxMappingMode mode);
-
     virtual void SetLogicalFunction(wxRasterOperationMode function);
 
     virtual void SetTextForeground(const wxColour& colour);
@@ -95,9 +106,11 @@ public:
 
     virtual void ComputeScaleAndOrigin();
 
-    wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; }
+    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);
@@ -150,7 +163,7 @@ 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,
@@ -185,19 +198,29 @@ public:
 
     virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
 
+#ifdef __WXMSW__
+    virtual wxRect MSWApplyGDIPlusTransform(const wxRect& r) const;
+#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;
-    double       m_mm_to_pix_x, m_mm_to_pix_y;
     wxGraphicsMatrix m_matrixOriginal;
     wxGraphicsMatrix m_matrixCurrent;
 
     double m_formerScaleX, m_formerScaleY;
 
     wxGraphicsContext* m_graphicContext;
-    
+
+private:
+    void Init(wxGraphicsContext*);
+
     DECLARE_CLASS(wxGCDCImpl)
-    DECLARE_NO_COPY_CLASS(wxGCDCImpl)
+    wxDECLARE_NO_COPY_CLASS(wxGCDCImpl);
 };
 
 #endif // wxUSE_GRAPHICS_CONTEXT