Open Inventor Reference
|
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 SoState 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_STATE_ 00056 #define _SO_STATE_ 00057 00073 00074 #define SO_STATE_GET_CONST_ELEMENT(stackIndex)\ 00075 return stack[stackIndex]; 00076 00077 #include <Inventor/SoLists.h> 00078 00079 class SoAction; 00080 class SoElement; 00081 00082 SoEXTENDER class INVENTOR_API SoState { 00083 00084 public: 00087 SoState(SoAction *action, const SoTypeList &enabledElements); 00088 00090 ~SoState(); 00091 00093 SoAction * getAction() const { return action; } 00094 00097 SoElement * getElement(int stackIndex); 00098 00100 const SoElement * getConstElement(int stackIndex) const 00101 { return stack[stackIndex]; } 00102 00108 void push() 00109 { depth++; } 00110 00112 void pop(); 00113 00115 void print(FILE *fp); 00116 00117 SoINTERNAL public: 00119 SbBool isElementEnabled(int stackIndex) const 00120 { return (stack[stackIndex] != NULL); } 00121 00123 int getDepth() const { return depth; } 00124 00128 void setCacheOpen(SbBool flag) { cacheOpen = flag; } 00129 SbBool isCacheOpen() const { return cacheOpen; } 00130 00135 SoElement * getElementNoPush(int stackIndex) const 00136 { return stack[stackIndex]; } 00137 00138 private: 00139 SoAction *action; 00140 int depth; 00141 SoElement **stack; 00142 int numStacks; 00143 SoElement * topElement; 00144 00145 SbBool cacheOpen; 00146 }; 00147 00148 #endif /* _SO_STATE_ */ 00149