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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 public: 00074 virtual void print(FILE *fp) const; 00075 00076 private: 00077 00081 virtual SbBool matches(const SoElement* elt) const; 00082 00084 virtual SoElement* copyMatchInfo() const; 00085 00086 private: 00087 // Initializes the SoFloatElement class 00088 static void initClass(); 00089 static void exitClass(); 00090 00091 // Set value. Derived classes have static inline methods 00092 // that pass in the stack index and cast their type into a float. 00093 // This just gets an appropriate instance and calls the virtual 00094 // set. 00095 //static void set(int stackIndex, SoState *state, float value); 00096 static void set(SoType type, int stackIndex, SoState *state, float value); 00097 00098 // Get value. Derived classes have static inline methods to pass 00099 // in the stackIndex and cast the returned value to the right type. 00100 00101 static float get(SoType type, int stackIndex, SoState *state) 00102 {return (static_cast<const SoFloatElement*>(getConstElement(state, type, stackIndex)))->data;} 00103 00104 // Get the value from the element itself 00105 float getValue() const { return data; } 00106 00107 private: 00108 // Storage for data. 00109 float data; 00110 00111 // Destructor 00112 virtual ~SoFloatElement(); 00113 00114 // Virtual set that subclasses can override to implement 00115 // side-effect behaviors. 00116 virtual void setElt(float value); 00117 }; 00118 00119 #endif /* _SO_FLOAT_ELEMENT */ 00120 00121 00122