It's possible now to save to a PNG. OK, I still

have performance problems, but it's a start.
  Updated install.txt.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@662 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/dc.h

@@ -66,7 +66,7 @@ class wxDC: public wxObject
     void BeginDrawing(void) {};
     void EndDrawing(void) {};
     
-    virtual bool Ok(void) const { return m_ok; };
+    virtual bool Ok(void) const;
 
     virtual void FloodFill( long x1, long y1, wxColour *col, int style=wxFLOOD_SURFACE ) = 0;
     virtual bool GetPixel( long x1, long y1, wxColour *col ) const = 0;