diagramsortkeys.h

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/*
        Copyright 2006-2026 The QElectroTech Team
        This file is part of QElectroTech.
 
        QElectroTech is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 2 of the License, or
        (at your option) any later version.
 
        QElectroTech is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.
 
        You should have received a copy of the GNU General Public License
        along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DIAGRAMSORTKEYS_H
#define DIAGRAMSORTKEYS_H
 
#include <QPointF>
#include <QString>
#include <QtGlobal>

namespace DiagramSortKeys {

        inline QString coordinateKey(double v)
        {
                        //Diagram coordinates are nowhere near this range; the offset and
                        //width just need to be big enough that shifted values are always
                        //non-negative and always the same digit count.
                constexpr double offset = 1e9;
                qint64 scaled = qint64(qRound64((v + offset) * 10000.0));
                return QStringLiteral("%1").arg(scaled, 20, 10, QLatin1Char('0'));
        }
 
        inline QString positionKey(const QPointF &pos)
        {
                return coordinateKey(pos.x()) + QLatin1Char('|') + coordinateKey(pos.y());
        }
 
}
 
#endif