graphicsguide.h

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/***************************************************************************
 SocNetV: Social Network Visualizer
 version: 3.0.2
 Written in Qt
 
 graphicsguide.h - description
 -------------------
 copyright : (C) 2005-2021 by Dimitris B. Kalamaras
 project site : https://socnetv.org
 
 ***************************************************************************/
 
/*******************************************************************************
* This program 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 3 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. *
********************************************************************************/
 
#ifndef GRAPHICSGUIDE_H
#define GRAPHICSGUIDE_H
 
 
#include <QGraphicsItem>
#include <QObject>
 
 
class GraphicsWidget;
 
static const int TypeGuide = QGraphicsItem::UserType+7;
static const int ZValueGuide = 10;
 
class GraphicsGuide : public QObject, public QGraphicsItem {
 Q_OBJECT
 Q_INTERFACES (QGraphicsItem)
 
public:
 GraphicsGuide(GraphicsWidget *,
 const double &x0, const double &y0, const double &radius );
 GraphicsGuide(GraphicsWidget *,
 const double &y0, const int &width);
 bool isCircle();
 void setCircle(const QPointF &center, const double &radius) ;
 void setHorizontalLine(const QPointF &origin, const int &width) ;
 double radius();
 int width();
 enum { Type = UserType + 7 };
 int type() const { return Type; }
 void die();
 
 
protected:
 QRectF boundingRect() const;
 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 
private: 
 GraphicsWidget *graphicsWidget;
 double m_radius;
 int m_width;
 bool circle;
 
};
 
#endif