Fix arbitrary numeric weights in the generic wxNativeFontInfo

Store the weight as int, not wxFontWeight, and rely on the same wrappers
as all the other ports in the port not having native wxNativeFontInfo.

This is a prerequisite for fixing wxDFB and other Unix ports not using
Pango.

include/wx/fontutil.h

@@ -188,7 +188,7 @@ public :
     float         pointSize;
     wxFontFamily  family;
     wxFontStyle   style;
-    wxFontWeight  weight;
+    int           weight;
     bool          underlined;
     bool          strikethrough;
     wxString      faceName;
@@ -229,7 +229,7 @@ public:
 #else
         // translate all font parameters
         SetStyle((wxFontStyle)font.GetStyle());
-        SetWeight((wxFontWeight)font.GetWeight());
+        SetNumericWeight(font.GetNumericWeight());
         SetUnderlined(font.GetUnderlined());
         SetStrikethrough(font.GetStrikethrough());
 #if defined(__WXMSW__)

src/common/fontcmn.cpp

@@ -390,7 +390,7 @@ void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
     SetFractionalPointSize(info.pointSize);
     SetFamily(info.family);
     SetStyle(info.style);
-    SetWeight(info.weight);
+    SetNumericWeight(info.weight);
     SetUnderlined(info.underlined);
     SetStrikethrough(info.strikethrough);
     SetFaceName(info.faceName);
@@ -819,7 +819,7 @@ void wxNativeFontInfo::Init()
     encoding = wxFONTENCODING_DEFAULT;
 }
 
-float wxNativeFontInfo::GetFractionalPointSize()
+float wxNativeFontInfo::GetFractionalPointSize() const
 {
     return pointSize;
 }
@@ -829,7 +829,7 @@ wxFontStyle wxNativeFontInfo::GetStyle() const
     return style;
 }
 
-wxFontWeight wxNativeFontInfo::GetWeight() const
+int wxNativeFontInfo::GetNumericWeight() const
 {
     return weight;
 }
@@ -869,7 +869,7 @@ void wxNativeFontInfo::SetStyle(wxFontStyle style_)
     style = style_;
 }
 
-void wxNativeFontInfo::SetWeight(wxFontWeight weight_)
+void wxNativeFontInfo::SetNumericWeight(int weight_)
 {
     weight = weight_;
 }
@@ -1311,7 +1311,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s)
 
     // set point size to default value if size was not given
     if ( !pointsizefound )
-        SetPointSize(wxNORMAL_FONT->GetPointSize());
+        SetFractionalPointSize(wxNORMAL_FONT->GetFractionalPointSize());
 
     // set font weight to default value if weight was not given
     if ( !weightfound )