00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_PRIMITIVE_VERTEX_ 00051 #define _SO_PRIMITIVE_VERTEX_ 00052 00053 #include <Inventor/SbLinear.h> 00054 00055 class SoDetail; 00056 class SoPointDetail; 00057 class SoTextureCoordinateBundle; 00058 00060 // 00061 // Class: SoPrimitiveVertex 00062 // 00063 // An SoPrimitiveVertex represents a vertex of a primitive (triangle, 00064 // line segment, point) that is being generated via the 00065 // SoCallbackAction. 00066 // 00067 // An SoPrimitiveVertex contains an object-space point, normal, 00068 // texture coordinates, material index, and a pointer to an instance 00069 // of some SoDetail subclass. This detail may contain more 00070 // information about the vertex, or may be a NULL pointer if there is 00071 // no such info. 00072 // 00073 // Instances of SoPrimitiveVertex are typically created on the stack 00074 // by shape classes while they are generating primitives. Anyone who 00075 // wants to save them as return values from SoCallbackAction should 00076 // probably make copies of them. 00077 // 00079 00099 class SoPrimitiveVertex { 00100 00101 public: 00105 SoPrimitiveVertex(); 00106 00116 SoPrimitiveVertex(const SoPrimitiveVertex &pv); 00117 00121 ~SoPrimitiveVertex(); 00122 00126 const SbVec3f & getPoint() const { return point; } 00130 const SbVec3f & getNormal() const { return normal; } 00134 const SbVec4f & getTextureCoords() const; 00135 00140 int getMaterialIndex() const { return materialIndex; } 00141 00146 const SoPointDetail * getPointDetail() const { return m_pointDetail; } 00147 00152 const SoDetail * getDetail() const { return detail; } 00153 00163 SoPrimitiveVertex & operator =(const SoPrimitiveVertex &pv); 00164 00165 private: 00166 00167 // These methods are typically called by shape classes during 00168 // primtiive generation 00169 00170 // These set the object space point, normal, and texture coordinates: 00171 void setPoint(const SbVec3f &pt) { point = pt; } 00172 void setNormal(const SbVec3f &norm) { normal = norm; } 00173 void setTextureCoords( const SbVec4f &t ){ m_texCoords = t; } 00174 void setTextureCoords( const SoTextureCoordinateBundle *tcb, int curCoord ); 00175 00176 // Sets the material index. The index is set to 0 during construction. 00177 void setMaterialIndex(int index) { materialIndex = index; } 00178 00179 // Sets the detail corresponding to the vertex. The pointer may be 00180 // NULL, although it is set to NULL during construction. 00181 void setDetail(SoDetail *d) { detail = d; } 00182 00183 // Sets the point detail corresponding to the vertex. The pointer may be NULL. 00184 void setPointDetail(SoPointDetail *p) { m_pointDetail= p; } 00185 00186 private: 00187 SbVec3f point; // Object-space point 00188 SbVec3f normal; // Object-space normal 00189 int materialIndex; // Material index 00190 SoDetail* detail; // Extra detail info 00191 SoPointDetail* m_pointDetail; //Point detail info 00192 00193 // Please see note in implementation 00194 mutable const SoTextureCoordinateBundle* m_tcb; 00195 mutable int m_currCoord; 00196 mutable SbVec4f m_texCoords; // Object-space texture coordinates 00197 00198 }; 00199 00200 #endif /* _SO_PRIMITIVE_VERTEX_ */ 00201 00202