moved wxIcon implementation for ports where it's identical to wxBitmap to generic/icon.{cpp,h} so that the same code is not duplicated several times

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40531 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/icon.cpp

@@ -0,0 +1,45 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/generic/icon.cpp
+// Purpose:     wxIcon implementation for ports where it's same as wxBitmap
+// Author:      Julian Smart
+// Modified by:
+// Created:     17/09/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/icon.h"
+
+//-----------------------------------------------------------------------------
+// wxIcon
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
+
+wxIcon::wxIcon( const char **bits, int WXUNUSED(width), int WXUNUSED(height) ) :
+    wxBitmap( bits )
+{
+}
+
+wxIcon::wxIcon( char **bits, int WXUNUSED(width), int WXUNUSED(height) ) :
+    wxBitmap( bits )
+{
+}
+
+wxIcon::wxIcon() :  wxBitmap()
+{
+}
+
+void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
+{
+    wxIcon *icon = (wxIcon*)(&bmp);
+    *this = *icon;
+}