KDChartVectorSeries.cpp

/*
   KDChart - a multi-platform charting engine
   */
 
/****************************************************************************
 ** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KDChart library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KDChart licenses may use this file in
 ** accordance with the KDChart Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.klaralvdalens-datakonsult.se/?page=products for
 **   information about KDChart Commercial License Agreements.
 **
 ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/
 
#include "KDChartVectorSeries.h"
#include "KDChartSeriesCollection.h"
 
 
KDChartVectorSeries::~KDChartVectorSeries()
{
}
 
 
 
uint KDChartVectorSeries::rows() const
{
    return size();
}
 
const KDChartData& KDChartVectorSeries::cell( uint row ) const
{
    Q_ASSERT( row < size() );
    // make it compile on windows using qt232
    return this->at(row);
}
 
void KDChartVectorSeries::setCell( uint row, const KDChartData& element)
{
    Q_ASSERT( row < size() );
    // make it compile on windows using qt232
    this->at(row) = element;
}
 
void KDChartVectorSeries::expand( uint rows )
{
    resize(rows);
}
 
 
// we return !ok if its on the infinite axis
double KDChartVectorSeries::maxValue( int coordinate, bool &ok ) const
{
    double maxValue = 0.0;
    bool bStart = true;
 
    KDChartVectorSeries::const_iterator i;
    for ( i = begin(); i != end(); i ++ )
    {
        const KDChartData& d = *i;
        if ( d.isDouble( coordinate ) )
        {
            if ( bStart )
            {
                maxValue = d.doubleValue( coordinate );
                bStart = false;
            }
            else
                maxValue = TQMAX( maxValue, d.doubleValue( coordinate ) );
        }
    }
 
    ok = !bStart;
    return maxValue;
}
 
 
 
double KDChartVectorSeries::minValue( int coordinate, bool &ok ) const
{
    double minValue = 0.0;
    bool bStart = true;
 
    KDChartVectorSeries::const_iterator i;
    for ( i = begin(); i != end(); i ++ )
    {
        const KDChartData& d = *i;
        if ( d.isDouble( coordinate ) ) 
        {
            if ( bStart ) 
            {
                minValue = d.doubleValue( coordinate );
                bStart = false;
            }
            else
                minValue = TQMIN( minValue, d.doubleValue( coordinate ) );
        }
    }
 
    ok = !bStart;
    return minValue;
}