143 lines
2.7 KiB
C++
Executable File
143 lines
2.7 KiB
C++
Executable File
// Copyright (c) 2008 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
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// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
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#ifndef CGAL_QT_LINE_GRAPHICS_ITEM_H
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#define CGAL_QT_LINE_GRAPHICS_ITEM_H
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#include <CGAL/license/GraphicsView.h>
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#include <CGAL/Bbox_2.h>
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#include <CGAL/Qt/PainterOstream.h>
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#include <CGAL/Qt/GraphicsItem.h>
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#include <CGAL/Qt/utility.h>
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#include <QGraphicsScene>
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#include <QPainter>
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#include <QStyleOption>
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namespace CGAL {
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namespace Qt {
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template <typename CK>
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class LineGraphicsItem : public GraphicsItem
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{
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typedef typename CK::Line_2 Line_2;
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public:
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LineGraphicsItem();
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void modelChanged();
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public:
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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const QPen& Pen() const
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{
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return this->pen;
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}
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void setPen(const QPen& pen_)
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{
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this->pen = pen_;
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}
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void setLine(const Line_2& a);
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Line_2 line() const
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{
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return line_;
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}
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protected:
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QPainter* m_painter;
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PainterOstream<CK> painterostream;
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QPen pen;
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Line_2 line_;
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};
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template <typename CK>
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void
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LineGraphicsItem<CK>::setLine(const Line_2& a)
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{
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line_ = a;
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update();
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}
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template <typename CK>
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LineGraphicsItem<CK>::LineGraphicsItem()
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: painterostream(0)
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{
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this->hide();
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setZValue(13);
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}
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template <typename CK>
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QRectF
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LineGraphicsItem<CK>::boundingRect() const
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{
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if(scene()){
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return CGAL::Qt::viewportsBbox(scene());
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}
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return QRectF();
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}
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template <typename CK>
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void
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LineGraphicsItem<CK>::paint(QPainter *painter,
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const QStyleOptionGraphicsItem * /*option*/,
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QWidget * /*widget*/)
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{
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painter->setPen(this->Pen());
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painterostream = PainterOstream<CK>(painter, boundingRect());
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painterostream << line_;
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}
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template <typename CK>
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void
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LineGraphicsItem<CK>::modelChanged()
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{
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update();
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}
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} // namespace Qt
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} // namespace CGAL
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#endif // CGAL_QT_LINE_GRAPHICS_ITEM_H
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