dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Three/Scene_draw_interface.h

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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).
// 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.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
//
// Author(s) : Laurent RINEAU
#ifndef SCENE_DRAW_INTERFACE_H
#define SCENE_DRAW_INTERFACE_H
#include <CGAL/license/Three.h>
#include <QPoint>
class QKeyEvent;
class QPoint;
namespace CGAL
{
namespace Three {
class Viewer_interface;
class Scene_item;
//! Base class to interact with the scene from the viewer.
class Scene_draw_interface {
public:
virtual ~Scene_draw_interface(){}
/*! Is called by Viewer::initializeGL(). Allows all the initialization
* of OpenGL code that needs a context.
*/
virtual void initializeGL(CGAL::Three::Viewer_interface*) = 0;
//! \brief Draws the items.
//! It is called by Viewer::draw().
virtual void draw(CGAL::Three::Viewer_interface*) = 0;
//!\brief draws the scene in a hidden frame to perform picking.
//! Is called by Viewer::drawWithNames().
virtual void drawWithNames(CGAL::Three::Viewer_interface*) = 0;
//!Pick the point `e` on the screen.
virtual void setPickedPixel(const QPoint &e) = 0;
//! \brief Manages the key events.
//! Override this function to perform actions when keys are pressed.
//! @returns true if the keyEvent executed well.
//!
virtual bool keyPressEvent(QKeyEvent* e) = 0;
//!\brief print theTextItems.
virtual void printPrimitiveId(QPoint point, CGAL::Three::Viewer_interface*) = 0;
//!\brief update theTextItems.
virtual void updatePrimitiveIds(CGAL::Three::Viewer_interface* , CGAL::Three::Scene_item*) = 0;
/*!
* \brief checks if the text at position (x,y,z) is visible or not.
* \param x the X coordinate of theTextItem's position.
* \param y the Y coordinate of theTextItem's position.
* \param z the Z coordinate of theTextItem's position.
* \param viewer the viewer used to display the Scene.
* \return true if the TextItem is visible. */
virtual bool testDisplayId(double x, double y, double z, CGAL::Three::Viewer_interface* viewer) = 0;
///\brief displays all the vertices ids if there are less than max_textItems.
virtual void printVertexIds(CGAL::Three::Viewer_interface*) = 0;
///\brief displays all the edges ids if there are less than max_textItems.
virtual void printEdgeIds(CGAL::Three::Viewer_interface*) = 0;
///\brief displays all the faces ids if there are less than max_textItems.
virtual void printFaceIds(CGAL::Three::Viewer_interface*) = 0;
///\brief displays all the primitive ids if there are less than max_textItems.
virtual void printAllIds(CGAL::Three::Viewer_interface*) = 0;
//!\brief moves the camera orthogonally to the picked sface.
//!
//! \param point the picked point
//! \param viewer the active viewer
virtual void zoomToPosition(QPoint point,
CGAL::Three::Viewer_interface* viewer) = 0;
};
}
}
#endif // SCENE_DRAW_INTERFACE_H;