KChartPrintingParameters.cpp

/*
 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
 *
 * This file is part of the KD Chart library.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "KChartPrintingParameters.h"
 
using namespace KChart;
 
PrintingParameters::PrintingParameters()
    : m_scaleFactor( 1.0 )
{
}
 
PrintingParameters* PrintingParameters::instance()
{
    static PrintingParameters instance;
    return &instance;
}
 
qreal PrintingParameters::scaleFactor()
{
    return instance()->m_scaleFactor;
}
 
void PrintingParameters::setScaleFactor( const qreal scaleFactor )
{
    instance()->m_scaleFactor = scaleFactor;
}
 
void PrintingParameters::resetScaleFactor()
{
    instance()->m_scaleFactor = 1.0;
}
 
QPen PrintingParameters::scalePen( const QPen& pen )
{
    if ( instance()->m_scaleFactor == 1.0 )
        return pen;
 
    QPen resultPen = pen;
    resultPen.setWidthF( resultPen.widthF() * instance()->m_scaleFactor );
    if ( resultPen.widthF() == 0.0 )
        resultPen.setWidthF( instance()->m_scaleFactor );
 
    return resultPen;
}