KD Chart 2: TernaryPoint.h Source File

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# TernaryPoint.h

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    00001 /* -*- Mode: C++ -*-
    00002    KDChart - a multi-platform charting engine
    00003    */
    00004
    00005 /****************************************************************************
    00006  ** Copyright (C) 2005-2007 Klarälvdalens Datakonsult AB.  All rights reserved.
    00007  **
    00008  ** This file is part of the KD Chart library.
    00009  **
    00010  ** This file may be distributed and/or modified under the terms of the
    00011  ** GNU General Public License version 2 as published by the Free Software
    00012  ** Foundation and appearing in the file LICENSE.GPL included in the
    00013  ** packaging of this file.
    00014  **
    00015  ** Licensees holding valid commercial KD Chart licenses may use this file in
    00016  ** accordance with the KD Chart Commercial License Agreement provided with
    00017  ** the Software.
    00018  **
    00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    00021  **
    00022  ** See http://www.kdab.net/kdchart for
    00023  **   information about KD Chart Commercial License Agreements.
    00024  **
    00025  ** Contact info@kdab.net if any conditions of this
    00026  ** licensing are not clear to you.
    00027  **
    00028  **********************************************************************/
    00029
    00030 #ifndef TERNARYPOINT_H
    00031 #define TERNARYPOINT_H
    00032
    00033 #include <QtDebug>
    00034 #include <QPointF>
    00035
    00040 class TernaryPoint
    00041 {
    00042 public:
    00043     TernaryPoint();
    00044     TernaryPoint( double a, double b );
    00045
    00046     double a() const { return m_a; }
    00047     double b() const { return m_b; }
    00048     double c() const { return 1.0 - m_a - m_b; }
    00049
    00050     void set( double a, double b );
    00051
    00052     bool isValid() const;
    00053
    00054 private:
    00055     double m_a;
    00056     double m_b;
    00057 };
    00058
    00059 QDebug operator<<( QDebug stream, const TernaryPoint& point );
    00060
    00061 QPointF translate( const TernaryPoint& );
    00062
    00063 #endif