Open Inventor Reference
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00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1990,91 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | This file defines the SoShapeHintsElement class. 00048 | 00049 | Author(s) : Paul S. Strauss 00050 | 00051 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00052 _______________________________________________________________________ 00053 */ 00054 00055 #ifndef _SO_SHAPE_HINTS_ELEMENT 00056 #define _SO_SHAPE_HINTS_ELEMENT 00057 00058 #include <Inventor/elements/SoReplacedElement.h> 00059 00070 00071 SoEXTENDER class INVENTOR_API SoShapeHintsElement : public SoElement { 00072 00073 SO_ELEMENT_HEADER(SoShapeHintsElement); 00074 00075 public: 00077 enum VertexOrdering { 00078 UNKNOWN_ORDERING, 00079 CLOCKWISE, 00080 COUNTERCLOCKWISE, 00081 ORDERING_AS_IS 00082 }; 00083 00085 enum ShapeType { 00086 UNKNOWN_SHAPE_TYPE, 00087 SOLID, 00088 SHAPE_TYPE_AS_IS 00089 }; 00090 00092 enum FaceType { 00093 UNKNOWN_FACE_TYPE, 00094 CONVEX, 00095 FACE_TYPE_AS_IS 00096 }; 00097 00099 virtual void init(SoState *state); 00100 00103 static void set(SoState *state, VertexOrdering vertexOrdering, 00104 ShapeType shapeType, FaceType faceType); 00105 00107 static void set(SoState *state, SbBool useVBO); 00108 00109 #ifndef IV_STRICT 00110 static void set(SoState *state, SoNode *, 00111 VertexOrdering vertexOrdering, 00112 ShapeType shapeType, FaceType faceType) 00113 { set(state, vertexOrdering, shapeType, faceType); } 00114 #endif 00115 00117 static void get(SoState *state, 00118 VertexOrdering &vertexOrdering, 00119 ShapeType &shapeType, FaceType &faceType); 00120 00121 static SbBool isVBOUsed(SoState *state); 00122 00124 static VertexOrdering getDefaultVertexOrdering() {return UNKNOWN_ORDERING;} 00125 static ShapeType getDefaultShapeType() { return UNKNOWN_SHAPE_TYPE; } 00126 static FaceType getDefaultFaceType() { return CONVEX; } 00127 static SbBool getDefaultVBOUsage() { return TRUE; } 00128 00131 virtual void push(SoState *state); 00132 00134 virtual SbBool matches(const SoElement *elt) const; 00135 00137 virtual SoElement *copyMatchInfo() const; 00138 00140 virtual void print(FILE *fp) const; 00141 00142 SoINTERNAL public: 00144 static void initClass(); 00145 00146 protected: 00148 virtual void setElt(VertexOrdering vertexOrdering, 00149 ShapeType shapeType, FaceType faceType); 00150 00151 VertexOrdering vertexOrdering; 00152 ShapeType shapeType; 00153 FaceType faceType; 00154 SbBool useVBO; 00155 00156 virtual ~SoShapeHintsElement(); 00157 }; 00158 00159 #endif /* _SO_SHAPE_HINTS_ELEMENT */ 00160