/* * Copyright (C) 2015-2016 Département de l'Instruction Publique (DIP-SEM) * * Copyright (C) 2013 Open Education Foundation * * Copyright (C) 2010-2013 Groupement d'Intérêt Public pour * l'Education Numérique en Afrique (GIP ENA) * * This file is part of OpenBoard. * * OpenBoard 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, version 3 of the License, * with a specific linking exception for the OpenSSL project's * "OpenSSL" library (or with modified versions of it that use the * same license as the "OpenSSL" library). * * OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>. */ #ifndef UBGRAPHICSSTROKE_H_ #define UBGRAPHICSSTROKE_H_ #include <QtGui> #include "core/UB.h" class UBGraphicsPolygonItem; class UBGraphicsScene; class UBGraphicsStroke { friend class UBGraphicsPolygonItem; public: UBGraphicsStroke(UBGraphicsScene* scene = NULL); virtual ~UBGraphicsStroke(); bool hasPressure(); QList<UBGraphicsPolygonItem*> polygons() const; void remove(UBGraphicsPolygonItem* polygonItem); UBGraphicsStroke *deepCopy(); bool hasAlpha() const; void clear(); QList<QPair<QPointF, qreal> > addPoint(const QPointF& point, qreal width, bool interpolate = false); const QList<QPair<QPointF, qreal> >& points() { return mDrawnPoints; } UBGraphicsStroke* simplify(); protected: void addPolygon(UBGraphicsPolygonItem* pol); private: UBGraphicsScene * mScene; QList<UBGraphicsPolygonItem*> mPolygons; /// Points that were drawn by the user (i.e, actually received through input device) QList<QPair<QPointF, qreal> > mReceivedPoints; /// All the points (including interpolated) that are used to draw the stroke QList<QPair<QPointF, qreal> > mDrawnPoints; qreal mAntiScaleRatio; }; #endif /* UBGRAPHICSSTROKE_H_ */