going private with refdata

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50623 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/pen.cpp

@@ -19,6 +19,44 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
 
+class WXDLLEXPORT wxPenRefData: public wxGDIRefData
+{
+    friend class WXDLLIMPEXP_FWD_CORE wxPen;
+public:
+    wxPenRefData();
+    wxPenRefData(const wxPenRefData& data);
+    virtual ~wxPenRefData();
+
+    wxPenRefData& operator=(const wxPenRefData& data);
+
+    bool operator==(const wxPenRefData& data) const
+    {
+        // we intentionally don't compare m_hPen fields here
+        return m_style == data.m_style &&
+               m_width == data.m_width &&
+               m_join == data.m_join &&
+               m_cap == data.m_cap &&
+               m_colour == data.m_colour &&
+               (m_style != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
+               (m_style != wxUSER_DASH ||
+                (m_nbDash == data.m_nbDash &&
+                    memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
+    }
+
+protected:
+  int           m_width;
+  int           m_style;
+  int           m_join ;
+  int           m_cap ;
+  wxBitmap      m_stipple ;
+  int           m_nbDash ;
+  wxDash *      m_dash ;
+  wxColour      m_colour;
+/* TODO: implementation
+  WXHPEN        m_hPen;
+*/
+};
+
 wxPenRefData::wxPenRefData()
 {
     m_style = wxSOLID;
@@ -47,6 +85,8 @@ wxPenRefData::~wxPenRefData()
 
 // Pens
 
+#define M_PENDATA ((wxPenRefData *)m_refData)
+
 wxPen::wxPen()
 {
 }
@@ -86,6 +126,49 @@ wxPen::wxPen(const wxBitmap& stipple, int Width)
     RealizeResource();
 }
 
+bool wxPen::operator == (const wxPen& pen) const
+{
+    const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
+
+    // an invalid pen is only equal to another invalid pen
+    return m_refData ? penData && *M_PENDATA == *penData : !penData;
+}
+
+wxColour& wxPen::GetColour() const 
+{ 
+    return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); 
+}
+
+int wxPen::GetWidth() const 
+{ 
+    return (M_PENDATA ? M_PENDATA->m_width : 0); 
+}
+
+int wxPen::GetStyle() const 
+{ 
+    return (M_PENDATA ? M_PENDATA->m_style : 0); 
+}
+
+int wxPen::GetJoin() const 
+{ 
+    return (M_PENDATA ? M_PENDATA->m_join : 0); 
+}
+
+int wxPen::GetCap() const 
+{ 
+    return (M_PENDATA ? M_PENDATA->m_cap : 0); 
+}
+
+int wxPen::GetDashes(wxDash **ptr) const 
+{
+    *ptr = (M_PENDATA ? M_PENDATA->m_dash : (wxDash*) NULL); return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
+}
+
+wxBitmap *wxPen::GetStipple() const 
+{ 
+    return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); 
+}
+
 void wxPen::Unshare()
 {
     // Don't change shared data