basic blitting implementation

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41274 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dfb/dc.h

@@ -203,6 +203,10 @@ private:
     void DoDrawSubBitmap(const wxBitmap &bmp,
                          wxCoord x, wxCoord y, wxCoord w, wxCoord h,
                          wxCoord destx, wxCoord desty, int rop, bool useMask);
+    bool DoBlitFromSurface(const wxIDirectFBSurfacePtr& src,
+                           wxCoord srcx, wxCoord srcy,
+                           wxCoord w, wxCoord h,
+                           wxCoord dstx, wxCoord dsty);
 
     // selects colour into surface's state
     void SelectColour(const wxColour& clr);

include/wx/dfb/dcmemory.h

@@ -22,6 +22,13 @@ public:
 
     virtual void SelectObject(const wxBitmap& bitmap);
 
+    // implementation from now on:
+
+    wxBitmap GetSelectedObject() const { return m_bmp; }
+
+private:
+    wxBitmap m_bmp;
+
     DECLARE_DYNAMIC_CLASS(wxMemoryDC)
 };
 

include/wx/dfb/wrapdfb.h

@@ -274,6 +274,14 @@ struct wxIDirectFBSurface : public wxDfbWrapper<IDirectFBSurface>
               int x, int y)
         { return Check(m_ptr->Blit(m_ptr, source, source_rect, x, y)); }
 
+    bool StretchBlit(const wxIDirectFBSurfacePtr& source,
+              const DFBRectangle *source_rect,
+              const DFBRectangle *dest_rect)
+    {
+        return Check(m_ptr->StretchBlit(m_ptr, source->GetRaw(),
+                                        source_rect, dest_rect));
+    }
+
 
     /// Returns bit depth used by the surface or -1 on error
     int GetDepth();