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/* -*- Mode: C++ -*-
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 [email protected] if any conditions of this
** licensing are not clear to you.
**
**********************************************************************/
#include "KDChartPlaneSeries.h"
KDChartPlaneSeries::KDChartPlaneSeries( bool isX, double location )
{
setXAxis(isX);
setLocation(location);
}
KDChartPlaneSeries::~KDChartPlaneSeries()
{
}
uint KDChartPlaneSeries::rows() const
{
return 2;
}
const KDChartData& KDChartPlaneSeries::cell( uint row ) const
{
switch (row)
{
case 0: return _start;
case 1: return _stop;
default: Q_ASSERT(0);
return _start; // won't get here
}
}
void KDChartPlaneSeries::setCell( uint row, const KDChartData& element)
{
Q_ASSERT(0); // not possible
// avoid compiler warnings
row = (uint)element.doubleValue();
}
void KDChartPlaneSeries::expand( uint rows )
{
Q_ASSERT(0); // not possible
// avoid compiler warnings
rows = 0;
}
// NOW for our special API.
bool KDChartPlaneSeries::isXAxis() const
{
return _isX;
}
double KDChartPlaneSeries::location() const
{
return _location;
}
void KDChartPlaneSeries::setXAxis( bool isX )
{
_isX = isX;
update();
}
void KDChartPlaneSeries::setLocation( double location )
{
_location = location;
update();
}
// this is the magic part of the class.
// draw a line from DBL_MIN to DBL_MAX.
void KDChartPlaneSeries::update()
{
if ( _isX )
{
_start = KDChartData( DBL_MIN, _location );
_stop = KDChartData( DBL_MAX, _location );
}
else
{
_start = KDChartData( _location, DBL_MIN );
_stop = KDChartData( _location, DBL_MAX );
}
}
// we return !ok if its on the infinite axis
double KDChartPlaneSeries::maxValue( int coordinate, bool &ok ) const
{
// coordinate==0 is the x value...
// is not ok
if ( _isX == (coordinate==0) )
{
ok = false;
return 0;
}
ok = true;
return _location;
}
double KDChartPlaneSeries::minValue( int coordinate, bool &ok ) const
{
return maxValue(coordinate,ok);
}
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