93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
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// Copyright (c) 2009,2010,2012,2015 GeometryFactory Sarl (France)
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Laurent RINEAU
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#ifndef SCENE_DRAW_INTERFACE_H
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#define SCENE_DRAW_INTERFACE_H
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#include <CGAL/license/Three.h>
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#include <QPoint>
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class QKeyEvent;
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class QPoint;
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namespace CGAL
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{
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namespace Three {
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class Viewer_interface;
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class Scene_item;
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//! Base class to interact with the scene from the viewer.
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class Scene_draw_interface {
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public:
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virtual ~Scene_draw_interface(){}
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/*! Is called by Viewer::initializeGL(). Allows all the initialization
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* of OpenGL code that needs a context.
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*/
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virtual void initializeGL(CGAL::Three::Viewer_interface*) = 0;
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//! \brief Draws the items.
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//! It is called by Viewer::draw().
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virtual void draw(CGAL::Three::Viewer_interface*) = 0;
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//!\brief draws the scene in a hidden frame to perform picking.
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//! Is called by Viewer::drawWithNames().
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virtual void drawWithNames(CGAL::Three::Viewer_interface*) = 0;
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//!Pick the point `e` on the screen.
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virtual void setPickedPixel(const QPoint &e) = 0;
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//! \brief Manages the key events.
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//! Override this function to perform actions when keys are pressed.
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//! @returns true if the keyEvent executed well.
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//!
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virtual bool keyPressEvent(QKeyEvent* e) = 0;
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//!\brief print theTextItems.
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virtual void printPrimitiveId(QPoint point, CGAL::Three::Viewer_interface*) = 0;
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//!\brief update theTextItems.
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virtual void updatePrimitiveIds(CGAL::Three::Viewer_interface* , CGAL::Three::Scene_item*) = 0;
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/*!
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* \brief checks if the text at position (x,y,z) is visible or not.
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* \param x the X coordinate of theTextItem's position.
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* \param y the Y coordinate of theTextItem's position.
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* \param z the Z coordinate of theTextItem's position.
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* \param viewer the viewer used to display the Scene.
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* \return true if the TextItem is visible. */
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virtual bool testDisplayId(double x, double y, double z, CGAL::Three::Viewer_interface* viewer) = 0;
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///\brief displays all the vertices ids if there are less than max_textItems.
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virtual void printVertexIds(CGAL::Three::Viewer_interface*) = 0;
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///\brief displays all the edges ids if there are less than max_textItems.
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virtual void printEdgeIds(CGAL::Three::Viewer_interface*) = 0;
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///\brief displays all the faces ids if there are less than max_textItems.
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virtual void printFaceIds(CGAL::Three::Viewer_interface*) = 0;
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///\brief displays all the primitive ids if there are less than max_textItems.
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virtual void printAllIds(CGAL::Three::Viewer_interface*) = 0;
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//!\brief moves the camera orthogonally to the picked sface.
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//!
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//! \param point the picked point
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//! \param viewer the active viewer
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virtual void zoomToPosition(QPoint point,
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CGAL::Three::Viewer_interface* viewer) = 0;
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};
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}
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}
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#endif // SCENE_DRAW_INTERFACE_H;
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