/* 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 . */ #ifndef QETGRAPHICSHANDLERUTILITY_H #define QETGRAPHICSHANDLERUTILITY_H #include #include #include #include class QPainter; /** * @brief The QetGraphicsHandlerUtility class * This class provide some methods to create and use handler for * modify graphics shape like line rectangle etc... * They also provide some conveniance static method. */ class QetGraphicsHandlerUtility { public: static QVector pointsForRect (const QRectF &rect); static QVector pointsForLine (const QLineF &line); static QVector 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 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