60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Valentina project All Rights Reserved.
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**
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** This file is part of Valentina.
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**
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** Tox 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, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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****************************************************************************/
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#ifndef VCONTROLPOINTSPLINE_H
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#define VCONTROLPOINTSPLINE_H
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#include <QGraphicsEllipseItem>
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#include <QObject>
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#include "geometry/vsplinepath.h"
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class VControlPointSpline : public QObject, public QGraphicsEllipseItem
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{
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Q_OBJECT
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public:
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VControlPointSpline(const qint32 &indexSpline, SplinePoint::Position position,
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const QPointF &controlPoint, const QPointF &splinePoint,
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QGraphicsItem * parent = 0);
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signals:
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void ControlPointChangePosition(const qint32 &indexSpline, SplinePoint::Position position,
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const QPointF pos);
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public slots:
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void RefreshLine(const qint32 &indexSpline, SplinePoint::Position pos, const QPointF &controlPoint,
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const QPointF &splinePoint);
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void setEnabledPoint(bool enable);
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protected:
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qreal radius;
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QGraphicsLineItem *controlLine;
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virtual void hoverMoveEvent ( QGraphicsSceneHoverEvent * event );
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virtual void hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
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QVariant itemChange ( GraphicsItemChange change, const QVariant &value );
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private:
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Q_DISABLE_COPY(VControlPointSpline)
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qint32 indexSpline;
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SplinePoint::Position position;
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qint32 LineIntersectCircle(QPointF center, qreal radius, QLineF line, QPointF &p1, QPointF &p2) const;
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QPointF ClosestPoint(QLineF line, QPointF p) const;
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QPointF addVector (QPointF p, QPointF p1, QPointF p2, qreal k) const;
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};
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#endif // VCONTROLPOINTSPLINE_H
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