1 /*
2 Open Asset Import Library (assimp)
3 ----------------------------------------------------------------------
4 
5 Copyright (c) 2006-2017, assimp team
6 
7 All rights reserved.
8 
9 Redistribution and use of this software in source and binary forms,
10 with or without modification, are permitted provided that the
11 following conditions are met:
12 
13 * Redistributions of source code must retain the above
14   copyright notice, this list of conditions and the
15   following disclaimer.
16 
17 * Redistributions in binary form must reproduce the above
18   copyright notice, this list of conditions and the
19   following disclaimer in the documentation and/or other
20   materials provided with the distribution.
21 
22 * Neither the name of the assimp team, nor the names of its
23   contributors may be used to endorse or promote products
24   derived from this software without specific prior
25   written permission of the assimp team.
26 
27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 
39 ----------------------------------------------------------------------
40 */
41 
42 /** @file Defines a post processing step to triangulate all faces
43           with more than three vertices.
44  */
45 #ifndef AI_TRIANGULATEPROCESS_H_INC
46 #define AI_TRIANGULATEPROCESS_H_INC
47 
48 #include "BaseProcess.h"
49 
50 struct aiMesh;
51 
52 class TriangulateProcessTest;
53 
54 namespace Assimp {
55 
56 // ---------------------------------------------------------------------------
57 /** The TriangulateProcess splits up all faces with more than three indices
58  * into triangles. You usually want this to happen because the graphics cards
59  * need their data as triangles.
60  */
61 class ASSIMP_API TriangulateProcess : public BaseProcess
62 {
63 public:
64 
65     TriangulateProcess();
66     ~TriangulateProcess();
67 
68 public:
69     // -------------------------------------------------------------------
70     /** Returns whether the processing step is present in the given flag field.
71      * @param pFlags The processing flags the importer was called with. A bitwise
72      *   combination of #aiPostProcessSteps.
73      * @return true if the process is present in this flag fields, false if not.
74     */
75     bool IsActive( unsigned int pFlags) const;
76 
77     // -------------------------------------------------------------------
78     /** Executes the post processing step on the given imported data.
79     * At the moment a process is not supposed to fail.
80     * @param pScene The imported data to work at.
81     */
82     void Execute( aiScene* pScene);
83 
84 public:
85     // -------------------------------------------------------------------
86     /** Triangulates the given mesh.
87      * @param pMesh The mesh to triangulate.
88      */
89     bool TriangulateMesh( aiMesh* pMesh);
90 };
91 
92 } // end of namespace Assimp
93 
94 #endif // AI_TRIANGULATEPROCESS_H_INC
95