/usr/include/CGAL/Qt/ConstrainedTriangulationGraphicsItem.h is in libcgal-qt5-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | // Copyright (c) 2008 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// 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.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
#ifndef CGAL_QT_CONSTRAINED_TRIANGULATION_GRAPHICS_ITEM_H
#define CGAL_QT_CONSTRAINED_TRIANGULATION_GRAPHICS_ITEM_H
#include <CGAL/Qt/TriangulationGraphicsItem.h>
#include <QPen>
namespace CGAL {
namespace Qt {
template <typename T>
class ConstrainedTriangulationGraphicsItem : public TriangulationGraphicsItem<T>
{
typedef typename T::Geom_traits Geom_traits;
public:
ConstrainedTriangulationGraphicsItem(T * t_)
: TriangulationGraphicsItem<T>(t_), visible_constraints(true)
{
constraints_pen = this->edgesPen();
constraints_pen.setColor(::Qt::red);
}
void operator()(typename T::Face_handle fh);
const QPen& constraintsPen() const
{
return constraints_pen;
}
QPen& constraintsPen()
{
return constraints_pen;
}
void setConstraintsPen(const QPen& pen)
{
constraints_pen = pen;
}
bool visibleConstraints() const
{
return visible_constraints;
}
void setVisibleConstraints(const bool b)
{
visible_constraints = b;
this->update();
}
protected:
void drawAll(QPainter *painter);
QPen constraints_pen;
private:
bool visible_constraints;
};
template <typename T>
void
ConstrainedTriangulationGraphicsItem<T>::drawAll(QPainter *painter)
{
this->painterostream = PainterOstream<Geom_traits>(painter);
for(typename T::Finite_edges_iterator eit = this->t->finite_edges_begin();
eit != this->t->finite_edges_end();
++eit){
if(this->visibleConstraints() && this->t->is_constrained(*eit)){
painter->setPen(constraintsPen());
this->painterostream << this->t->segment(*eit);
} else if( this->visibleEdges() ){
painter->setPen(this->edgesPen());
this->painterostream << this->t->segment(*eit);
}
}
this->paintVertices(painter);
}
template <typename T>
void
ConstrainedTriangulationGraphicsItem<T>::operator()(typename T::Face_handle fh)
{
for (int i=0; i<3; i++) {
if ( fh < fh->neighbor(i) || this->t->is_infinite(fh->neighbor(i)) ) {
if(this->visibleConstraints() && this->t->is_constrained(typename T::Edge(fh,i))){
this->m_painter->setPen(constraintsPen());
this->painterostream << this->t->segment(fh,i);
} else if( this->visibleEdges() ){
this->m_painter->setPen(this->edgesPen());
this->painterostream << this->t->segment(fh,i);
}
}
if(this->visibleVertices()) {
this->paintOneVertex(fh->vertex(i)->point());
}
}
}
} // namespace Qt
} // namespace CGAL
#endif // CGAL_Q_CONSTRAINED_TRIANGULATION_GRAPHICS_ITEM_H
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