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#ifndef Color_h
#define Color_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Counter.h"
#include "QOrderedSet.h"
#include <QColor>
#include <QTextStream>
namespace Base
{
// color utility
class Color: private Base::Counter<Color>
{
public:
//* universal constructor
template< typename... Args >
explicit Color( Args&&... args ):
Counter( "Base::Color" ),
value_( std::forward<Args>(args)... )
{}
//* destructor
virtual ~Color() = default;
//* sorted set of colors
using Set = QOrderedSet<Color>;
//*@name accessors
//@{
//* conversion to QColor
operator const QColor& () const { return value_; }
//* mutable accessor
const QColor& get() const { return value_; }
//* validity
bool isValid() const { return value_.isValid(); }
//* merge color with intensity to this one
Color merged( const QColor& color, qreal intensity = 0.5 )
{
Color copy( *this );
return copy.merge( color, intensity );
}
//*@}
//*@name modifiers
//@{
//* mutable accessor
QColor& get() { return value_; }
//* merge color with intensity to this one
Color& merge( const QColor& , qreal = 0.5 );
//* add alpha
Color& addAlpha( qreal = 0.5 );
//@}
private:
QColor value_;
};
//* equal to operator
inline bool operator == (const Color& first, const Color& second)
{ return first.get() == second.get(); }
//* less than operator
bool operator < (const Color&, const Color&);
}
//* streamers
QTextStream& operator << ( QTextStream&, const Base::Color& );
QTextStream& operator >> ( QTextStream&, Base::Color& );
#endif
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