RotatingColor.h

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/*
 *  Copyright (C) 2010 - 2015 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 *
 */

#ifndef ROTATINGCOLOR_H_6014714286
#define ROTATINGCOLOR_H_6014714286

#include <Carna/Carna.h>
#include <Carna/base/Color.h>

namespace Carna
{

namespace base
{



// ----------------------------------------------------------------------------------
// RotatingColor
// ----------------------------------------------------------------------------------

class CARNA_LIB RotatingColor
{

public:

    enum ColorIdentifier
    {
        blue  = ( 1 << 0 ), 
        green = ( 1 << 1 ), 
        red   = ( 1 << 2 ), 

        orange = red | green,       
        teal   = green | blue,      
        violet = red | blue,        
        white  = red | green | blue 
    };

    RotatingColor( ColorIdentifier initialColor = blue );

    const ColorIdentifier initialColor;

    RotatingColor& operator++();

    RotatingColor operator++( int )
    {
        RotatingColor rc = RotatingColor( *this );
        ++( *this );
        return rc;
    }

    operator const Color&() const
    {
        return color;
    }

    void reset();

private:

    unsigned int nextColor;
    Color color;

}; // RotatingColor



}  // namespace Carna :: base

}  // namespace Carna

#endif // ROTATINGCOLOR_H_6014714286