wxGTK: Fixed printing to use fonts sizes adjustment consistent with wxMSW. In

particular, screen resolution no longer affects text size in printed output
when using wx's map-screen-to-paper approach to printing.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55928 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dc.h

@@ -562,6 +562,10 @@ protected:
                                   double sa, double ea );
 #endif // __WXWINCE__
 
+    // returns adjustment factor for converting wxFont "point size"; in wx
+    // it is point size on screen and needs to be multiplied by this value
+    // for rendering on higher-resolution DCs such as printer ones
+    static float GetFontPointSizeAdjustment(float dpi);
 
     // window on which the DC draws or NULL
     wxWindow   *m_window;