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ScaleDraw.cpp
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ScaleDraw.cpp
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
* THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
* ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the Open Source Modelica
* Consortium (OSMC) Public License (OSMC-PL) are obtained
* from OSMC, either from the above address,
* from the URLs: http://www.ida.liu.se/projects/OpenModelica or
* http://www.openmodelica.org, and in the OpenModelica distribution.
* GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
*
* This program is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
* IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
*
* See the full OSMC Public License conditions for more details.
*
*/
/*
* @author Adeel Asghar <adeel.asghar@liu.se>
*/
#include "ScaleDraw.h"
#include <QtMath>
using namespace OMPlot;
ScaleDraw::ScaleDraw(bool prefixLabel, Plot *pParent)
: QwtScaleDraw()
{
mPrefixLabel = prefixLabel;
mpParentPlot = pParent;
mUnitPrefix = "";
mExponent = 0;
}
/*!
* \brief ScaleDraw::label
* Override QwtAbstractScaleDraw::label since the default implementation uses 6 as precision value.
* Fixes Ticket #2696.
* \param value - the actual value.
* \return the display representation of the value.
*/
QwtText ScaleDraw::label(double value) const
{
mUnitPrefix = "";
mExponent = 0;
if (mpParentPlot->getParentPlotWindow()->getPrefixUnits() && mPrefixLabel && !mpParentPlot->getPlotCurvesList().isEmpty()
&& !mpParentPlot->getParentPlotWindow()->isPlotParametric() && !mpParentPlot->getParentPlotWindow()->isPlotArrayParametric()) {
Plot::getUnitPrefixAndExponent(scaleDiv().lowerBound(), scaleDiv().upperBound(), mUnitPrefix, mExponent);
value = value / qPow(10, mExponent);
}
return QLocale().toString(value, 'g', 4);
}