qetgraphicshandlerutility.h

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/*
        Copyright 2006-2020 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 QETGRAPHICSHANDLERUTILITY_H
#define QETGRAPHICSHANDLERUTILITY_H
 
#include <QRectF>
#include <QLineF>
#include <QColor>
#include <QPolygonF>
 
class QPainter;
 
class QetGraphicsHandlerUtility
{
        public:
                static QVector <QPointF> pointsForRect (const QRectF &rect);
                static QVector <QPointF> pointsForLine (const QLineF &line);
                static QVector <QPointF> pointsForArc  (const QRectF &rect, qreal start_angle, qreal span_angle);
                static QRectF rectForPosAtIndex (const QRectF &old_rect, const QPointF &pos, int index);
                static QRectF mirrorRectForPosAtIndex (const QRectF &old_rect, const QPointF &pos, int index);
                static QLineF lineForPosAtIndex (const QLineF &old_line, const QPointF &pos, int index);
                static QPolygonF polygonForInsertPoint(const QPolygonF &old_polygon, bool closed, const QPointF &pos);
                static QVector <QPointF> pointForRadiusRect (const QRectF &rect, qreal xRadius, qreal yRadius, Qt::SizeMode mode = Qt::AbsoluteSize);
                static qreal radiusForPosAtIndex (const QRectF &rect, const QPointF &pos, int index, Qt::SizeMode mode = Qt::AbsoluteSize);
                static qreal percentageInRange(qreal min, qreal max, qreal value);
};
 
#endif // QETGRAPHICSHANDLERUTILITY_H