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https://bitbucket.org/smil3y/kde-playground.git
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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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/****************************************************************************
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** Copyright (C) 2001-2013 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#ifndef TERNARYPOINT_H
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#define TERNARYPOINT_H
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#include <QtDebug>
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#include <QPointF>
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/**
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* @brief TernaryPoint defines a point within a ternary coordinate plane
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* \internal
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*/
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class TernaryPoint
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{
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public:
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TernaryPoint();
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TernaryPoint( qreal a, qreal b );
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qreal a() const { return m_a; }
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qreal b() const { return m_b; }
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qreal c() const { return 1.0 - m_a - m_b; }
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void set( qreal a, qreal b );
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bool isValid() const;
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private:
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qreal m_a;
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qreal m_b;
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};
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QDebug operator<<( QDebug stream, const TernaryPoint& point );
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QPointF translate( const TernaryPoint& );
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#endif
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