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[wxWidgets.git] / include / wx / mac / carbon / colour.h

/////////////////////////////////////////////////////////////////////////////
// Name:        colour.h
// Purpose:     wxColour class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_COLOUR_H_
#define _WX_COLOUR_H_

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "colour.h"
#endif

#include "wx/object.h"
#include "wx/string.h"

// Colour
class WXDLLEXPORT wxColour: public wxObject
{
public:
  // ctors
    // default
  wxColour() { Init(); }
    // from RGB
  wxColour( unsigned char red, unsigned char green, unsigned char blue )
      { Set(red, green, blue); }
  wxColour( unsigned long colRGB )
      { Set(colRGB); }

    // implicit conversion from the colour name
  wxColour( const wxString &colourName )
      { InitFromName(colourName); }
  wxColour( const wxChar *colourName )
      { InitFromName(colourName); }

    // copy ctors and assignment operators
  wxColour( const wxColour& col );
  wxColour& operator = ( const wxColour& col );

    // dtor
  ~wxColour();

  // Set() functions
  void Set( unsigned char red, unsigned char green, unsigned char blue );
  void Set( unsigned long colRGB )
  {
    // we don't need to know sizeof(long) here because we assume that the three
    // least significant bytes contain the R, G and B values
    Set((unsigned char)colRGB,
        (unsigned char)(colRGB >> 8),
        (unsigned char)(colRGB >> 16));
  }

  // 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_isInit == colour.m_isInit
            && m_red == colour.m_red
            && m_green == colour.m_green
            && m_blue == colour.m_blue);
  }
  bool operator != (const wxColour& colour) const { return !(*this == colour); }

  const WXCOLORREF& GetPixel() const { return m_pixel; };

    void InitFromName(const wxString& col);

protected :

    // Helper function
    void Init();

private:
  bool          m_isInit;
  unsigned char m_red;
  unsigned char m_blue;
  unsigned char m_green;

public:
  WXCOLORREF m_pixel ;
  void Set( const WXCOLORREF* color ) ;

private:
  DECLARE_DYNAMIC_CLASS(wxColour)
};

#endif
  // _WX_COLOUR_H_