KChartPrintingParameters.h

/*
 * 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
 */
 
#ifndef PRINTINGPARAMETERS_H
#define PRINTINGPARAMETERS_H
 
#include <QPen>
#include <QDebug>
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the KD Chart API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
namespace KChart {
    /**
     * PrintingParameters stores the scale factor which lines has to been scaled with when printing.
     * It's essentially printer's logical DPI / widget's logical DPI
     * \internal
     */
    class PrintingParameters {
    public:
        static qreal scaleFactor();
        static void setScaleFactor( const qreal scaleFactor );
        static void resetScaleFactor();
        static QPen scalePen( const QPen& pen );
 
    private:
        PrintingParameters();
        static PrintingParameters* instance();
 
        qreal m_scaleFactor;
    };
}
 
#endif