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: 1.2 $ 00045 | 00046 | Description: 00047 | This file defines the SoGate class. 00048 | 00049 | Author(s) : Ronen Barzel, Gavin Bell 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_GATE_ 00056 #define _SO_GATE_ 00057 00058 #include <Inventor/system/SbSystem.h> 00059 #include <Inventor/SoDB.h> 00060 #include <Inventor/engines/SoSubEngine.h> 00061 #include <Inventor/fields/SoSFBool.h> 00062 #include <Inventor/fields/SoSFName.h> 00063 #include <Inventor/fields/SoSFTrigger.h> 00064 00065 00066 00069 00094 00095 00096 class INVENTOR_API SoGate : public SoEngine { 00097 00098 SO_ENGINE_HEADER(SoGate); 00099 00100 public: 00101 00103 SoGate(SoType mfInputType); 00104 00105 SoSFBool enable; 00106 SoSFTrigger trigger; 00107 00110 SoMField *input; 00111 00114 SoEngineOutput *output; 00115 00116 SoINTERNAL public: 00117 static void initClass(); 00118 00119 protected: 00120 00121 virtual void inputChanged(SoField *whichInput); 00122 00123 virtual SoFieldContainer * copyThroughConnection() const; 00124 00125 private: 00126 SoGate(); 00127 ~SoGate(); 00128 00131 virtual SbBool readInstance(SoInput *in, unsigned short flags); 00132 virtual void writeInstance(SoOutput *out); 00133 00134 void setup(SoType); 00135 00136 virtual void evaluate(); 00137 00138 int conversionCase; 00139 00140 SoFieldData *myInputData; 00141 SoEngineOutputData *myOutputData; 00142 00143 SoSFName typeField; 00144 }; 00145 00146 #endif /* _SO_GATE_ */