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 SoCoordinateElement 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_COORDINATE_ELEMENT 00056 #define _SO_COORDINATE_ELEMENT 00057 00058 #include <Inventor/SbLinear.h> 00059 #include <Inventor/elements/SoReplacedElement.h> 00060 00061 00076 00077 SoEXTENDER class INVENTOR_API SoCoordinateElement : public SoReplacedElement { 00078 00079 SO_ELEMENT_HEADER(SoCoordinateElement); 00080 00081 public: 00083 virtual void init(SoState *state); 00084 00086 static void set3(SoState *state, SoNode *node, 00087 int32_t numCoords, const SbVec3f *coords); 00088 static void set4(SoState *state, SoNode *node, 00089 int32_t numCoords, const SbVec4f *coords); 00090 00092 static const SoCoordinateElement * getInstance(SoState *state) 00093 {return (const SoCoordinateElement *) 00094 getConstElement(state, classStackIndex);} 00095 00097 int32_t getNum() const { return numCoords; } 00098 00101 SbBool is3D() const { return coordsAre3D; } 00102 00106 const SbVec3f & get3(int index) const; 00107 const SbVec4f & get4(int index) const; 00108 00110 static SbVec3f getDefault3() { return SbVec3f(0, 0, 0); } 00111 static SbVec4f getDefault4() { return SbVec4f(0, 0, 0, 1); } 00112 00114 virtual void print(FILE *fp) const; 00115 00116 SoINTERNAL public: 00118 static void initClass(); 00119 00120 protected: 00121 int32_t numCoords; 00122 const SbVec3f *coords3; 00123 const SbVec4f *coords4; 00124 SbBool coordsAre3D; 00125 00126 virtual ~SoCoordinateElement(); 00127 00128 private: 00131 static SbVec3f *defaultCoord3; 00132 00133 SbVec3f convert3; 00134 SbVec4f convert4; 00135 }; 00136 00137 #endif /* _SO_COORDINATE_ELEMENT */