wxWidgets/include/wx/mac/classic/colour.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/mac/classic/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_

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

// Colour
class WXDLLEXPORT wxColour: public wxObject
{
public:
    // constructors
    // ------------

    // default
    wxColour() { Init(); }

    // from separate RGB
    wxColour( unsigned char red, unsigned char green, unsigned char blue )
        { Set(red, green, blue); }

    // from packed RGB
    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( 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_