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// Copyright (c) 2008 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/GraphicsView/include/CGAL/Qt/LineGraphicsItem.h $
// $Id: include/CGAL/Qt/LineGraphicsItem.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
#ifndef CGAL_QT_LINE_GRAPHICS_ITEM_H
#define CGAL_QT_LINE_GRAPHICS_ITEM_H
#include <CGAL/license/GraphicsView.h>
#include <CGAL/Bbox_2.h>
#include <CGAL/Qt/PainterOstream.h>
#include <CGAL/Qt/GraphicsItem.h>
#include <CGAL/Qt/utility.h>
#include <QGraphicsScene>
#include <QPainter>
#include <QStyleOption>
namespace CGAL {
namespace Qt {
template <typename CK>
class LineGraphicsItem : public GraphicsItem
{
typedef typename CK::Line_2 Line_2;
public:
LineGraphicsItem();
void modelChanged();
public:
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
const QPen& Pen() const
{
return this->pen;
}
void setPen(const QPen& pen_)
{
this->pen = pen_;
}
void setLine(const Line_2& a);
Line_2 line() const
{
return line_;
}
protected:
QPainter* m_painter;
PainterOstream<CK> painterostream;
QPen pen;
Line_2 line_;
};
template <typename CK>
void
LineGraphicsItem<CK>::setLine(const Line_2& a)
{
line_ = a;
update();
}
template <typename CK>
LineGraphicsItem<CK>::LineGraphicsItem()
: painterostream(0)
{
this->hide();
setZValue(13);
}
template <typename CK>
QRectF
LineGraphicsItem<CK>::boundingRect() const
{
if(scene()){
return CGAL::Qt::viewportsBbox(scene());
}
return QRectF();
}
template <typename CK>
void
LineGraphicsItem<CK>::paint(QPainter *painter,
const QStyleOptionGraphicsItem * /*option*/,
QWidget * /*widget*/)
{
painter->setPen(this->Pen());
painterostream = PainterOstream<CK>(painter, boundingRect());
painterostream << line_;
}
template <typename CK>
void
LineGraphicsItem<CK>::modelChanged()
{
update();
}
} // namespace Qt
} // namespace CGAL
#endif // CGAL_QT_LINE_GRAPHICS_ITEM_H
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