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) 1995-96 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 SoShapeStyleElement class. 00048 | It takes values from the following: 00049 | SoDrawStyleElement 00050 | SoComplexityTypeElement 00051 | SoGLTextureEnabledElement 00052 | SoLazyElement 00053 | TransparencyType field of SoGLRenderAction 00054 | CoordType of SoTextureCoordinateElement 00055 | number and value of SoTransparencyElement 00056 | isColorIndex from SoGLLazyElement 00057 | to determine 00058 | whether to use fast-path rendering, and 00059 | which fast-path rendering code to use 00060 | 00061 | Author(s) : Alan Norton, Gavin Bell 00062 | 00063 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00064 _______________________________________________________________________ 00065 */ 00066 00067 #ifndef _SO_SHAPE_STYLE_ELEMENT 00068 #define _SO_SHAPE_STYLE_ELEMENT 00069 00070 #include <Inventor/elements/SoInt32Element.h> 00071 #include <Inventor/elements/SoLazyElement.h> 00072 00073 00074 00093 00094 SoEXTENDER class INVENTOR_API SoShapeStyleElement : public SoElement { 00095 00096 SO_ELEMENT_HEADER(SoShapeStyleElement); 00097 00098 public: 00099 00103 00105 static const SoShapeStyleElement * get(SoState *state); 00106 00108 SbBool mightNotRender() const { return delayFlags; } 00109 00111 SbBool needNormals() const { return needNorms; } 00112 00114 SbBool needTexCoords() const 00115 { return (texEnabled && (!texFunc)); } 00116 00121 int getRenderCaseMask() const 00122 { return renderCaseMask; } 00123 00125 00126 static void setDrawStyle(SoState *state, int32_t value); 00127 static void setComplexityType(SoState *state, int32_t value); 00128 static void setTransparencyType(SoState *state, int32_t value); 00129 static void setTextureEnabled(SoState *state, SbBool value); 00130 static void setTextureFunction(SoState *state, SbBool value); 00131 static void setLightModel(SoState *state, int32_t value); 00134 static void setOverrides(SoState *state, SbBool value); 00135 00136 static SbBool isScreenDoor(SoState *state); 00137 00138 SoINTERNAL public: 00139 SbBool isTextureFunction() const 00140 {return texFunc;} 00141 virtual void init(SoState *state); 00142 virtual SbBool matches(const SoElement *elt) const; 00143 virtual void push(SoState *state); 00144 virtual SoElement *copyMatchInfo() const; 00145 static void initClass(); 00146 virtual void print(FILE *fp) const; 00147 00148 protected: 00149 virtual ~SoShapeStyleElement(); 00150 00151 private: 00152 int delayFlags; 00153 SbBool needNorms; 00154 SbBool texEnabled, texFunc; 00155 int renderCaseMask; 00156 }; 00157 00158 #endif /* _SO_SHAPE_STYLE_ELEMENT */