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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 : Gavin Bell (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_FLOAT_ELEMENT 00051 #define _SO_FLOAT_ELEMENT 00052 00053 00066 #include <Inventor/elements/SoSubElement.h> 00067 00068 SoEXTENDER_Documented class SoFloatElement : public SoElement { 00069 00070 SO_ELEMENT_ABSTRACT_HEADER(SoFloatElement); 00071 00072 private: 00073 00077 virtual SbBool matches(const SoElement* elt) const; 00078 00080 virtual SoElement* copyMatchInfo() const; 00081 00082 private: 00083 // Initializes the SoFloatElement class 00084 static void initClass(); 00085 static void exitClass(); 00086 00087 // Set value. Derived classes have static inline methods 00088 // that pass in the stack index and cast their type into a float. 00089 // This just gets an appropriate instance and calls the virtual 00090 // set. 00091 //static void set(int stackIndex, SoState *state, float value); 00092 static void set(SoType type, int stackIndex, SoState *state, float value); 00093 00094 // Get value. Derived classes have static inline methods to pass 00095 // in the stackIndex and cast the returned value to the right type. 00096 00097 static float get(SoType type, int stackIndex, SoState *state) 00098 {return ((SoFloatElement*)getConstElement(state, type, stackIndex))->data;} 00099 00100 // Prints element (for debugging) 00101 virtual void print(FILE *fp) const; 00102 00103 private: 00104 // Storage for data. 00105 float data; 00106 00107 // Destructor 00108 virtual ~SoFloatElement(); 00109 00110 // Virtual set that subclasses can override to implement 00111 // side-effect behaviors. 00112 virtual void setElt(float value); 00113 }; 00114 00115 #endif /* _SO_FLOAT_ELEMENT */ 00116 00117 00118