mirror of https://github.com/CGAL/cgal
157 lines
3.2 KiB
C++
157 lines
3.2 KiB
C++
// Copyright (c) 2008 GeometryFactory Sarl (France).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org); you may redistribute it under
|
|
// the terms of the Q Public License version 1.0.
|
|
// See the file LICENSE.QPL distributed with CGAL.
|
|
//
|
|
// 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_CIRCULAR_ARC_GRAPHICS_ITEM_H
|
|
#define CGAL_QT_CIRCULAR_ARC_GRAPHICS_ITEM_H
|
|
|
|
#include <CGAL/Bbox_2.h>
|
|
#include <CGAL/Qt/PainterOstream.h>
|
|
#include <CGAL/Qt/GraphicsItem.h>
|
|
#include <CGAL/Qt/Converter.h>
|
|
|
|
#include <QGraphicsScene>
|
|
#include <QPainter>
|
|
#include <QStyleOption>
|
|
|
|
namespace CGAL {
|
|
namespace Qt {
|
|
|
|
template <typename CK>
|
|
class CircularArcGraphicsItem : public GraphicsItem
|
|
{
|
|
typedef typename CK::Point_2 Point_2;
|
|
typedef typename CK::Circle_2 Circle_2;
|
|
typedef typename CK::Circular_arc_2 Circular_arc_2;
|
|
|
|
public:
|
|
CircularArcGraphicsItem();
|
|
|
|
void modelChanged();
|
|
|
|
public:
|
|
QRectF boundingRect() const;
|
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
|
|
|
|
const QPen& verticesPen() const
|
|
{
|
|
return vertices_pen;
|
|
}
|
|
|
|
const QPen& edgesPen() const
|
|
{
|
|
return edges_pen;
|
|
}
|
|
|
|
void setVerticesPen(const QPen& pen)
|
|
{
|
|
vertices_pen = pen;
|
|
}
|
|
|
|
void setEdgesPen(const QPen& pen)
|
|
{
|
|
edges_pen = pen;
|
|
}
|
|
|
|
void setArc(const Circular_arc_2& a);
|
|
|
|
protected:
|
|
void updateBoundingBox();
|
|
|
|
QPainter* m_painter;
|
|
PainterOstream<CK> painterostream;
|
|
|
|
QRectF bounding_rect;
|
|
|
|
QPen edges_pen;
|
|
|
|
Circular_arc_2 arc;
|
|
};
|
|
|
|
|
|
template <typename CK>
|
|
void
|
|
CircularArcGraphicsItem<CK>::setArc(const Circular_arc_2& a)
|
|
{
|
|
arc = a;
|
|
updateBoundingBox();
|
|
update();
|
|
}
|
|
|
|
template <typename CK>
|
|
CircularArcGraphicsItem<CK>::CircularArcGraphicsItem()
|
|
: painterostream(0)
|
|
{
|
|
this->hide();
|
|
setZValue(3);
|
|
}
|
|
|
|
template <typename CK>
|
|
QRectF
|
|
CircularArcGraphicsItem<CK>::boundingRect() const
|
|
{
|
|
return QRectF(-500,-500,1000,1000);
|
|
Converter<CK> convert;
|
|
return convert(arc.bbox());
|
|
}
|
|
|
|
|
|
|
|
|
|
template <typename CK>
|
|
void
|
|
CircularArcGraphicsItem<CK>::paint(QPainter *painter,
|
|
const QStyleOptionGraphicsItem *option,
|
|
QWidget * widget)
|
|
{
|
|
std::cout << "CircularArcGraphicsItem<CK>::paint" << std::endl;
|
|
painter->setPen(this->edgesPen());
|
|
painterostream = PainterOstream<CK>(painter);
|
|
|
|
painterostream << arc;
|
|
}
|
|
|
|
// We let the bounding box only grow, so that when vertices get removed
|
|
// the maximal bbox gets refreshed in the GraphicsView
|
|
template <typename CK>
|
|
void
|
|
CircularArcGraphicsItem<CK>::updateBoundingBox()
|
|
{
|
|
Converter<CK> convert;
|
|
prepareGeometryChange();
|
|
bounding_rect = convert(arc.bbox());
|
|
}
|
|
|
|
|
|
template <typename CK>
|
|
void
|
|
CircularArcGraphicsItem<CK>::modelChanged()
|
|
{
|
|
updateBoundingBox();
|
|
update();
|
|
}
|
|
|
|
|
|
} // namespace Qt
|
|
} // namespace CGAL
|
|
|
|
#endif // CGAL_QT_CIRCULAR_ARC_GRAPHICS_ITEM_H
|