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: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | This file defines the SoIndexedLineSet node class. 00048 | 00049 | Author(s) : Paul S. Strauss, Nick Thompson 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_INDEXED_LINE_SET_ 00056 #define _SO_INDEXED_LINE_SET_ 00057 00058 #include <Inventor/nodes/SoIndexedShape.h> 00059 #include <Inventor/fields/SoSFBool.h> 00060 00061 class SoState; 00062 class SoVertexArrayIndexer; 00063 00064 00067 #define SO_END_LINE_INDEX (-1) 00068 00071 00135 00136 00137 class INVENTOR_API SoIndexedLineSet : public SoIndexedShape { 00138 00139 SO_NODE_HEADER(SoIndexedLineSet); 00140 00141 public: 00142 // \name Fields 00144 00145 SoSFBool sendAdjacency; 00147 00149 SoIndexedLineSet(); 00150 00151 SoEXTENDER public: 00153 virtual void GLRender(SoGLRenderAction *action); 00154 00156 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00157 00160 typedef void (SoIndexedLineSet::*PMILS)(SoGLRenderAction *); 00161 00162 SoINTERNAL public: 00163 static void initClass(); 00164 00166 enum Binding { 00167 OVERALL, 00168 PER_SEGMENT, PER_SEGMENT_INDEXED, 00169 PER_LINE, PER_LINE_INDEXED, 00170 PER_VERTEX, PER_VERTEX_INDEXED 00171 }; 00172 00173 protected: 00175 virtual void generatePrimitives(SoAction *action); 00176 00178 virtual SoDetail * createLineSegmentDetail(SoRayPickAction *action, 00179 const SoPrimitiveVertex *v1, 00180 const SoPrimitiveVertex *v2, 00181 SoPickedPoint *pp); 00182 virtual ~SoIndexedLineSet(); 00183 00184 private: 00186 void GLRenderInternal( SoGLRenderAction * action, uint32_t useTexCoordsAnyway, const SoShapeStyleElement * shapeStyle); 00187 00189 static Binding getMaterialBinding(SoAction *action); 00190 static Binding getNormalBinding(SoAction *action); 00191 00193 virtual void notify(SoNotList *list); 00194 00196 void countPolylinesAndSegments(); 00197 00199 00200 int numSegments; 00201 int numPolylines; 00202 int * numVertices; 00203 00204 SoVertexArrayIndexer* _lineIndexer; 00205 00209 SbBool wouldGenerateNormals(SoState *state); 00210 00217 void OmOn(SoGLRenderAction *); void OmOnT(SoGLRenderAction *); 00218 void OmPn(SoGLRenderAction *); void OmPnT(SoGLRenderAction *); 00219 void OmFn(SoGLRenderAction *); void OmFnT(SoGLRenderAction *); 00220 void OmVn(SoGLRenderAction *); void OmVnT(SoGLRenderAction *); 00221 void PmOn(SoGLRenderAction *); void PmOnT(SoGLRenderAction *); 00222 void PmPn(SoGLRenderAction *); void PmPnT(SoGLRenderAction *); 00223 void PmFn(SoGLRenderAction *); void PmFnT(SoGLRenderAction *); 00224 void PmVn(SoGLRenderAction *); void PmVnT(SoGLRenderAction *); 00225 void FmOn(SoGLRenderAction *); void FmOnT(SoGLRenderAction *); 00226 void FmPn(SoGLRenderAction *); void FmPnT(SoGLRenderAction *); 00227 void FmFn(SoGLRenderAction *); void FmFnT(SoGLRenderAction *); 00228 void FmVn(SoGLRenderAction *); void FmVnT(SoGLRenderAction *); 00229 void VmOn(SoGLRenderAction *); void VmOnT(SoGLRenderAction *); 00230 void VmPn(SoGLRenderAction *); void VmPnT(SoGLRenderAction *); 00231 void VmFn(SoGLRenderAction *); void VmFnT(SoGLRenderAction *); 00232 void VmVn(SoGLRenderAction *); void VmVnT(SoGLRenderAction *); 00233 00235 static PMILS renderFunc[32]; 00236 00237 }; 00238 00239 #endif /* _SO_INDEXED_LINE_SET_ */ 00240