moved mgl/colour.{cpp,h} to generic so that it can be reused by other ports without native colour representation

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/colour.h

@@ -0,0 +1,70 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/colour.h
+// Purpose:     wxColour class
+// Author:      Julian Smart
+// Modified by:
+// Created:     01/02/97
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GENERIC_COLOUR_H_
+#define _WX_GENERIC_COLOUR_H_
+
+#include "wx/object.h"
+
+// Colour
+class WXDLLEXPORT wxColour: public wxColourBase
+{
+public:
+    // constructors
+    // ------------
+
+    // default
+    wxColour();
+    DEFINE_STD_WXCOLOUR_CONSTRUCTORS
+
+    // copy ctors and assignment operators
+    wxColour(const wxColour& col);
+    wxColour& operator = (const wxColour& col);
+
+    // dtor
+    ~wxColour();
+
+    // accessors
+    bool Ok() const { return m_isInit; }
+
+    unsigned char Red() const { return m_red; }
+    unsigned char Green() const { return m_green; }
+    unsigned char Blue() const { return m_blue; }
+
+    // comparison
+    bool operator == (const wxColour& colour) const
+    {
+        return (m_red == colour.m_red &&
+                m_green == colour.m_green &&
+                m_blue == colour.m_blue &&
+                m_isInit == colour.m_isInit);
+    }
+    bool operator != (const wxColour& colour) const { return !(*this == colour); }
+
+
+protected:
+
+    // Helper function
+    void Init();
+
+    virtual void InitWith(unsigned char red, unsigned char green, unsigned char blue);
+
+private:
+    bool m_isInit;
+    unsigned char m_red;
+    unsigned char m_blue;
+    unsigned char m_green;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxColour)
+};
+
+#endif // _WX_GENERIC_COLOUR_H_