1 /*
2  * This program source code file is part of KiCad, a free EDA CAD application.
3  *
4  * Copyright (C) 2015-2017 Cirilo Bernardo <cirilo.bernardo@gmail.com>
5  * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, you may find one here:
19  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
20  * or you may search the http://www.gnu.org website for the version 2 license,
21  * or you may write to the Free Software Foundation, Inc.,
22  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
23  */
24 
25 /**
26  * @file sg_coords.h
27  */
28 
29 #ifndef SG_COORDS_H
30 #define SG_COORDS_H
31 
32 #include <vector>
33 #include "3d_cache/sg/sg_node.h"
34 
35 class SGFACESET;
36 
37 /**
38  * Define a vertex coordinate set for a scenegraph object.
39  */
40 class SGCOORDS : public SGNODE
41 {
42 public:
43     SGCOORDS( SGNODE* aParent );
44     virtual ~SGCOORDS();
45 
46     void unlinkChildNode( const SGNODE* aNode ) noexcept override;
47     void unlinkRefNode( const SGNODE* aNode ) noexcept override;
48 
49     virtual bool SetParent( SGNODE* aParent, bool notify = true ) override;
50 
51     SGNODE* FindNode(const char *aNodeName, const SGNODE *aCaller) noexcept override;
52     bool AddRefNode( SGNODE* aNode ) noexcept override;
53     bool AddChildNode( SGNODE* aNode ) noexcept override;
54 
55     bool GetCoordsList( size_t& aListSize, SGPOINT*& aCoordsList );
56     void SetCoordsList( size_t aListSize, const SGPOINT* aCoordsList );
57     void AddCoord( double aXValue, double aYValue, double aZValue );
58     void AddCoord( const SGPOINT& aPoint );
59 
60     /**
61      * Calculate normals for this coordinate list and sets the normals list in the
62      * parent #SGFACESET.
63      */
64     bool CalcNormals( SGFACESET* callingNode, SGNODE** aPtr = nullptr );
65 
66     void ReNameNodes( void ) override;
67     bool WriteVRML( std::ostream& aFile, bool aReuseFlag ) override;
68 
69     bool WriteCache( std::ostream& aFile, SGNODE* parentNode ) override;
70     bool ReadCache( std::istream& aFile, SGNODE* parentNode ) override;
71 
72     std::vector< SGPOINT > coords;
73 };
74 
75 #endif  // SG_COORDS_H
76