279 lines
6.8 KiB
C++
279 lines
6.8 KiB
C++
// 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/v5.1/GraphicsView/include/CGAL/Qt/SegmentDelaunayGraphGraphicsItem.h $
|
|
// $Id: SegmentDelaunayGraphGraphicsItem.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
|
|
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
|
|
//
|
|
//
|
|
// Author(s) : Laurent Rineau <Laurent.Rineau@geometryfactory.com>
|
|
|
|
#ifndef CGAL_QT_SEGMENT_DELAUNAY_GRAPH_GRAPHICS_ITEM_H
|
|
#define CGAL_QT_SEGMENT_DELAUNAY_GRAPH_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 <CGAL/Qt/Converter.h>
|
|
|
|
#include <QGraphicsScene>
|
|
#include <QPainter>
|
|
#include <QStyleOption>
|
|
|
|
|
|
|
|
namespace CGAL {
|
|
|
|
namespace Qt {
|
|
|
|
template <typename T>
|
|
class SegmentDelaunayGraphGraphicsItem : public GraphicsItem
|
|
{
|
|
typedef typename T::Geom_traits Geom_traits;
|
|
typedef typename T::Point_2 Point_2;
|
|
typedef typename Kernel_traits<Point_2> ::Kernel Kern;
|
|
|
|
T* t;
|
|
QPainter* m_painter;
|
|
PainterOstream<Kern> painterostream;
|
|
|
|
QPen vertices_pen, segment_pen, voronoi_pen ;
|
|
Bbox_2 bb;
|
|
bool bb_initialized;
|
|
|
|
public:
|
|
SegmentDelaunayGraphGraphicsItem(T * t_)
|
|
: t(t_), painterostream(0),
|
|
segment_pen(::Qt::blue, 0),
|
|
voronoi_pen(::Qt::blue, 0)
|
|
{
|
|
}
|
|
|
|
|
|
void updateBoundingBox();
|
|
|
|
void modelChanged();
|
|
|
|
|
|
QRectF boundingRect() const;
|
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
|
|
const QPen& verticesPen() const
|
|
{
|
|
return vertices_pen;
|
|
}
|
|
|
|
void setVerticesPen(const QPen& pen)
|
|
{
|
|
vertices_pen = pen;
|
|
}
|
|
|
|
|
|
const QPen& segmentPen() const
|
|
{
|
|
return segment_pen;
|
|
}
|
|
|
|
void setSegmentPen(const QPen& pen)
|
|
{
|
|
segment_pen = pen;
|
|
}
|
|
|
|
|
|
|
|
const QPen& voronoiPen() const
|
|
{
|
|
return voronoi_pen;
|
|
}
|
|
|
|
void setVoronoiPen(const QPen& pen)
|
|
{
|
|
voronoi_pen = pen;
|
|
}
|
|
|
|
|
|
protected:
|
|
void drawAll(QPainter *painter, const QStyleOptionGraphicsItem *option);
|
|
void drawDualEdge(QPainter *painter, typename T::Edge e);
|
|
|
|
|
|
|
|
};
|
|
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::drawDualEdge(QPainter * /*painter*/, typename T::Edge e)
|
|
{
|
|
CGAL_precondition( ! t->is_infinite(e) );
|
|
|
|
typename Geom_traits::Line_2 l;
|
|
typename Geom_traits::Segment_2 s;
|
|
typename Geom_traits::Ray_2 r;
|
|
CGAL::Parabola_segment_2<Geom_traits> ps;
|
|
|
|
Object o = t->primal(e);
|
|
|
|
if (CGAL::assign(l, o)) { /* m_painter->setPen(::Qt::cyan); std::cerr << "line " << std::endl; */ painterostream << l; }
|
|
else if (CGAL::assign(s, o)) { /* m_painter->setPen(::Qt::magenta); std::cerr << "segment " << std::endl; */ painterostream << s;}
|
|
else if (CGAL::assign(r, o)) { /* m_painter->setPen(::Qt::darkMagenta); std::cerr << "ray " << r << std::endl; */ painterostream << r; }
|
|
else if (CGAL::assign(ps, o)) { /* std::cerr << "ps " << std::endl; */ painterostream << ps;}
|
|
else { std::cerr << "unknown" << std::endl; }
|
|
|
|
/* m_painter->setPen(::Qt::black); */
|
|
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::drawAll(QPainter *painter, const QStyleOptionGraphicsItem *option)
|
|
{
|
|
QRectF rect = option->exposedRect;
|
|
m_painter = painter;
|
|
painterostream = PainterOstream<Kern>(m_painter, rect);
|
|
m_painter->setPen(this->voronoiPen());
|
|
typename T::Finite_edges_iterator eit = t->finite_edges_begin();
|
|
for (; eit != t->finite_edges_end(); ++eit) {
|
|
drawDualEdge(m_painter, *eit);
|
|
}
|
|
{
|
|
m_painter->setPen(this->segmentPen());
|
|
typename T::Finite_vertices_iterator vit;
|
|
for (vit = t->finite_vertices_begin();
|
|
vit != t->finite_vertices_end(); ++vit) {
|
|
typename T::Site_2 s = vit->site();
|
|
if ( s.is_segment() ) {
|
|
painterostream << s.segment();
|
|
}
|
|
}
|
|
}
|
|
{
|
|
m_painter->setPen(this->verticesPen());
|
|
QTransform matrix = m_painter->worldTransform();
|
|
m_painter->resetTransform();
|
|
Converter<Kern> convert;
|
|
typename T::Finite_vertices_iterator vit;
|
|
for (vit = t->finite_vertices_begin();
|
|
vit != t->finite_vertices_end(); ++vit) {
|
|
typename T::Site_2 s = vit->site();
|
|
if ( s.is_input() ) {
|
|
//*widget << CGAL::red();
|
|
} else {
|
|
//*widget << CGAL::yellow();
|
|
}
|
|
if ( s.is_point() ) {
|
|
QPointF point = matrix.map(convert(s.point()));
|
|
m_painter->drawPoint(point);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::operator()(typename T::Face_handle fh)
|
|
{
|
|
if(visibleFacesInDomain()) {
|
|
if(fh->is_in_domain()){
|
|
this->painterostream = PainterOstream<typename T::Geom_traits>(this->m_painter);
|
|
this->m_painter->setBrush(facesInDomainBrush());
|
|
this->m_painter->setPen(::Qt::NoPen) ;
|
|
this->painterostream << this->t->triangle(fh);
|
|
}
|
|
}
|
|
Base::operator()(fh);
|
|
}
|
|
*/
|
|
|
|
|
|
template <typename T>
|
|
QRectF
|
|
SegmentDelaunayGraphGraphicsItem<T>::boundingRect() const
|
|
{
|
|
|
|
QRectF rect = CGAL::Qt::viewportsBbox(scene());
|
|
return rect;
|
|
}
|
|
|
|
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::modelChanged()
|
|
{
|
|
if((t->number_of_vertices() == 0) ){
|
|
this->hide();
|
|
} else if((t->number_of_vertices() > 0) && (! this->isVisible())){
|
|
this->show();
|
|
}
|
|
update();
|
|
}
|
|
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::updateBoundingBox()
|
|
{
|
|
prepareGeometryChange();
|
|
if(t->number_of_vertices() == 0){
|
|
bb = Bbox_2(0,0,0,0);
|
|
bb_initialized = false;
|
|
return;
|
|
} else if(! bb_initialized){
|
|
// bb = t->finite_vertices_begin()->point().bbox();
|
|
bb_initialized = true;
|
|
}
|
|
/*
|
|
if(t->dimension() <2){
|
|
for(typename T::Finite_vertices_iterator it = t->finite_vertices_begin();
|
|
it != t->finite_vertices_end();
|
|
++it){
|
|
bb = bb + it->point().bbox();
|
|
}
|
|
} else {
|
|
typename T::Vertex_handle inf = t->infinite_vertex();
|
|
typename T::Vertex_circulator vc = t->incident_vertices(inf), done(vc);
|
|
do {
|
|
bb = bb + vc->point().bbox();
|
|
++vc;
|
|
} while(vc != done);
|
|
}
|
|
bounding_rect = QRectF(bb.xmin(),
|
|
bb.ymin(),
|
|
bb.xmax()-bb.xmin(),
|
|
bb.ymax()-bb.ymin());
|
|
*/
|
|
}
|
|
|
|
|
|
|
|
template <typename T>
|
|
void
|
|
SegmentDelaunayGraphGraphicsItem<T>::paint(QPainter *painter,
|
|
const QStyleOptionGraphicsItem *option,
|
|
QWidget * /*widget*/)
|
|
{
|
|
|
|
// painter->drawRect(boundingRect());
|
|
// if ( t->dimension()<2 || option->exposedRect.contains(boundingRect()) ) {
|
|
|
|
drawAll(painter, option);
|
|
// } else {
|
|
// std::cerr << "else" << std::endl;
|
|
// }
|
|
}
|
|
|
|
|
|
|
|
} // namespace Qt
|
|
} // namespace CGAL
|
|
|
|
#endif // CGAL_QT_SEGMENT_DELAUNAY_GRAPH_GRAPHICS_ITEM_H
|