//////////////////////////////////////////////////////////////////////////////
//
// License Agreement:
//
// The following are Copyright © 2007, Casey Langen
//
// Sources and Binaries of: win32cpp
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright 
//      notice, this list of conditions and the following disclaimer in the 
//      documentation and/or other materials provided with the distribution.
//
//    * Neither the name of the author nor the names of other contributors may 
//      be used to endorse or promote products derived from this software 
//      without specific prior written permission. 
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
// POSSIBILITY OF SUCH DAMAGE. 
//
//////////////////////////////////////////////////////////////////////////////

#pragma once

//////////////////////////////////////////////////////////////////////////////

#include <win32cpp/Win32Config.hpp>
#include <win32cpp/Types.hpp>

//////////////////////////////////////////////////////////////////////////////

namespace win32cpp {

//////////////////////////////////////////////////////////////////////////////

///\brief
///An RGBA color. This class can be implicitly casted to and from
///Win32 COLORREF objects.
///
///\code
///COLORREF baseColor = RGB(255, 0, 0);
///Color myColor = baseColor;
///Color::Lighten(myColor, 15);
///COLORREF newColor = myColor;
///\endcode
struct Color
{
public: // constructors
    /*ctor*/    Color(byte red = 255, byte green = 255, byte blue = 255, byte alpha = 0);
    /*ctor*/    Color(COLORREF color);

public: // fields
    byte red;
    byte green;
    byte blue;
    byte alpha;

public: // methods
    static byte ClampByte(int value);
    static Color SystemColor(DWORD systemColorID);
    static Color Lighten(const Color& color, byte amount);
    static Color Darken(const Color& color, byte amount);

public: // operators
    virtual operator COLORREF();
};

//////////////////////////////////////////////////////////////////////////////

} // win32cpp
