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// Copyright (c) 2009,2010,2012,2015 GeometryFactory Sarl (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/Three/include/CGAL/Three/Scene_print_item_interface.h $
// $Id: include/CGAL/Three/Scene_print_item_interface.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Maxime GIMENO
#ifndef SCENE_PRINT_ITEM_INTERFACE_H
#define SCENE_PRINT_ITEM_INTERFACE_H
#include <CGAL/license/Three.h>
#include <QtPlugin>
#include <QPoint>
namespace CGAL
{
namespace Three {
class Viewer_interface;
class Scene_item;
//! An item that wants to print its primitive IDs must derive from this interface.
class Scene_print_item_interface {
public:
virtual ~Scene_print_item_interface(){}
//! Finds the spot the closest to `point` and prints the id of the corresponding Primitive (vertex, edge or face).
virtual void printPrimitiveId(QPoint, CGAL::Three::Viewer_interface*) = 0;
//! Prints all the vertices ids if their number is not too high. The limit is
//! editable in the View menu of the application.
//! \returns `false` if the number of ids is too high to be displayed.
virtual bool printVertexIds() const= 0;
//! Prints all the edges ids if their number is not too high. The limit is
//! editable in the View menu of the application.
//! \returns `false` if the number of ids is too high to be displayed.
virtual bool printEdgeIds() const= 0;
//! Prints all the faces ids if their number is not too high. The limit is
//! editable in the View menu of the application.
//! \returns `false` if the number of ids is too high to be displayed.
virtual bool printFaceIds() const= 0;
//! Prints all the primitive ids if their number is not too high. The limit is
//! editable in the View menu of the application.
virtual void printAllIds() = 0;
//! \brief tests if an id should be displayed or not.
//!
//! \returns true if the Id should be displayed
//! \returns false if the Id should not be displayed (if it is hidden for example)
virtual bool testDisplayId(double, double, double, CGAL::Three::Viewer_interface*)const = 0;
//! \brief tests if this item should display its ids.
//!
//! The default behavior is to only display ids of the currently selected item (\see mainSelectionIndex()).
//! This function allows to override this behavior.
//! @param test_item the currently tested TextListItem.
//! \return true if this item should display its ids when `test_item` is tested.
virtual bool shouldDisplayIds(CGAL::Three::Scene_item* test_item)const = 0;
};
}
}
Q_DECLARE_INTERFACE(CGAL::Three::Scene_print_item_interface, "com.geometryfactory.CGALLab.PrintInterface/1.0")
#endif // SCENE_PRINT_ITEM_INTERFACE_H
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