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86 lines
2.3 KiB
86 lines
2.3 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBGRAPHICSSTROKE_H_
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#define UBGRAPHICSSTROKE_H_
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#include <QtGui>
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#include "core/UB.h"
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class UBGraphicsPolygonItem;
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class UBGraphicsScene;
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class UBGraphicsStroke
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{
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friend class UBGraphicsPolygonItem;
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public:
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UBGraphicsStroke(UBGraphicsScene* scene = NULL);
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virtual ~UBGraphicsStroke();
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bool hasPressure();
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QList<UBGraphicsPolygonItem*> polygons() const;
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void remove(UBGraphicsPolygonItem* polygonItem);
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UBGraphicsStroke *deepCopy();
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bool hasAlpha() const;
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void clear();
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QList<QPair<QPointF, qreal> > addPoint(const QPointF& point, qreal width, bool interpolate = false);
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const QList<QPair<QPointF, qreal> >& points() { return mDrawnPoints; }
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UBGraphicsStroke* simplify();
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protected:
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void addPolygon(UBGraphicsPolygonItem* pol);
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private:
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UBGraphicsScene * mScene;
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QList<UBGraphicsPolygonItem*> mPolygons;
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/// Points that were drawn by the user (i.e, actually received through input device)
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QList<QPair<QPointF, qreal> > mReceivedPoints;
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/// All the points (including interpolated) that are used to draw the stroke
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QList<QPair<QPointF, qreal> > mDrawnPoints;
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qreal mAntiScaleRatio;
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};
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#endif /* UBGRAPHICSSTROKE_H_ */
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