mirror of https://github.com/CGAL/cgal
159 lines
3.8 KiB
C++
159 lines
3.8 KiB
C++
// 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); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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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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//
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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_CONVERTER_H
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#define CGAL_QT_CONVERTER_H
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#include <QPointF>
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#include <QLineF>
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#include <QRectF>
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#include <QPolygonF>
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#include <list>
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#include <CGAL/intersection_2.h>
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namespace CGAL {
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template <typename K>
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class Circular_arc_point_2;
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namespace Qt {
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template <typename K>
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class Converter {
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bool clippingRectIsInitialized;
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CGAL::Iso_rectangle_2<K> clippingRect;
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public:
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Converter()
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: clippingRectIsInitialized(false)
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{
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}
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Converter(QRectF rect)
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{
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if(rect.isValid()) {
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clippingRect = this->operator()(rect);
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clippingRectIsInitialized = true;
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}
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else
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clippingRectIsInitialized = false;
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}
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CGAL::Point_2<K> operator()(const QPointF& qp) const
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{
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return CGAL::Point_2<K>(qp.x(), qp.y());
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}
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QPointF operator()(const CGAL::Point_2<K>& p) const
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{
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return QPointF(to_double(p.x()), to_double(p.y()));
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}
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QPointF operator()(const CGAL::Circular_arc_point_2<K>& p) const
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{
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return QPointF(to_double(p.x()), to_double(p.y()));
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}
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CGAL::Segment_2<K> operator()(const QLineF& qs) const
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{
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return CGAL::Segment_2<K>(operator()(qs.p1()), operator()(qs.p2));
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}
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QLineF operator()(const CGAL::Segment_2<K> &s) const
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{
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return QLineF(operator()(s.source()), operator()(s.target()));
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}
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CGAL::Iso_rectangle_2<K> operator()(const QRectF& qr) const
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{
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return CGAL::Iso_rectangle_2<K>(operator()(qr.bottomLeft()), operator()(qr.topRight()));
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}
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QRectF operator()(const CGAL::Iso_rectangle_2<K>& r) const
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{
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return QRectF(operator()(r[3]), operator()(r[1])); // top left, bottom right
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}
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QRectF operator()(const CGAL::Bbox_2& bb)
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{
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return QRectF(bb.xmin(),
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bb.ymin(),
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bb.xmax()-bb.xmin(),
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bb.ymax()-bb.ymin());
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}
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QLineF operator()(const CGAL::Ray_2<K> &r) const
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{
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CGAL_assertion(clippingRectIsInitialized);
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Object o = CGAL::intersection(r, clippingRect);
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typedef CGAL::Segment_2<K> Segment_2;
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typedef CGAL::Point_2<K> Point_2;
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if(const Segment_2 *s = CGAL::object_cast<Segment_2>(&o)){
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return this->operator()(*s);
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} else if(const Point_2 *p = CGAL::object_cast<Point_2>(&o)){
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return QLineF(operator()(*p), operator()(*p));
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}
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return QLineF();
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}
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QLineF operator()(const CGAL::Line_2<K> &l) const
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{
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CGAL_assertion(clippingRectIsInitialized);
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Object o = CGAL::intersection(l, clippingRect);
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typedef CGAL::Segment_2<K> Segment_2;
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typedef CGAL::Point_2<K> Point_2;
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if(const Segment_2 *s = CGAL::object_cast<Segment_2>(&o)){
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return this->operator()(*s);
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} else if(const Point_2 *p = CGAL::object_cast<Point_2>(&o)){
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return QLineF(operator()(*p), operator()(*p));
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}
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return QLineF();
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}
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QPolygonF operator()(const CGAL::Triangle_2<K> &t)
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{
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QPolygonF qp;
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qp << operator()(t.vertex(0)) << operator()(t.vertex(1)) << operator()(t.vertex(2));
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return qp;
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}
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void operator()(std::list< CGAL::Point_2<K> >& p, const QPolygonF& qp) const
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{
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for(int i = 0; i < qp.size(); i++){
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p.push_back(operator()(qp[i]));
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}
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}
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};
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} // namesapce Qt
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} // namespace CGAL
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#endif // CGAL_QT_CONVERTER_H
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