/usr/include/CGAL/Qt/PowerdiagramGraphicsItem.h is in libcgal-qt4-dev 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | // 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_POWERDIAGRAM_GRAPHICS_ITEM_H
#define CGAL_QT_POWERDIAGRAM_GRAPHICS_ITEM_H
#include <CGAL/Qt/GraphicsItem.h>
#include <CGAL/Qt/PainterOstream.h>
#include <CGAL/Qt/utility.h>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QStyleOption>
#include <CGAL/intersection_2.h>
class QGraphicsSceneMouseEvent;
namespace CGAL {
namespace Qt {
template <typename RT>
class PowerdiagramGraphicsItem : public GraphicsItem
{
typedef typename RT::Geom_traits Geom_traits;
typedef typename Kernel_traits<typename RT::Bare_point>::Kernel K;
typedef typename K::Segment_2 Segment_2;
typedef typename K::Line_2 Line_2;
typedef typename K::Ray_2 Ray_2;
public:
PowerdiagramGraphicsItem(RT * rt_);
QRectF
boundingRect() const;
void
paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void
modelChanged();
const QPen& edgesPen() const
{
return edges_pen;
}
void setEdgesPen(const QPen& pen)
{
edges_pen = pen;
}
private:
RT * rt;
QPen edges_pen;
};
template <typename RT>
PowerdiagramGraphicsItem<RT>::PowerdiagramGraphicsItem(RT * rt_)
: rt(rt_)
{
setZValue(3);
}
template <typename RT>
QRectF
PowerdiagramGraphicsItem<RT>::boundingRect() const
{
QRectF rect = CGAL::Qt::viewportsBbox(scene());
return rect;
}
template <typename RT>
void
PowerdiagramGraphicsItem<RT>::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget * /*w*/)
{
QRectF rect = option->exposedRect;
PainterOstream<K> pos(painter, rect);
painter->setPen(edgesPen());
for(typename RT::Finite_edges_iterator eit = rt->finite_edges_begin();
eit != rt->finite_edges_end();
eit++){
CGAL::Object o = rt->dual(eit);
Segment_2 s;
Ray_2 r;
Line_2 l;
if(CGAL::assign(s,o)){
pos << s;
} else if(CGAL::assign(r,o)) {
pos << r;
}else if(CGAL::assign(l,o)) {
pos << l;
}
}
}
template <typename T>
void
PowerdiagramGraphicsItem<T>::modelChanged()
{
update();
}
} // namespace Qt
} // namespace CGAL
#endif // CGAL_QT_POWERDIAGRAM_GRAPHICS_ITEM_H
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