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 SoLineSet node 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_LINE_SET_ 00056 #define _SO_LINE_SET_ 00057 00058 #include <Inventor/fields/SoMFInt32.h> 00059 #include <Inventor/fields/SoSFBool.h> 00060 #include <Inventor/nodes/SoNonIndexedShape.h> 00061 00062 class SoState; 00063 00064 00065 00066 #ifndef IV_STRICT 00067 00068 00069 00070 #define SO_LINE_SET_USE_REST_OF_VERTICES (-1) 00071 #endif 00072 00073 00076 00143 00144 00145 class INVENTOR_API SoLineSet : public SoNonIndexedShape { 00146 00147 SO_NODE_HEADER(SoLineSet); 00148 00149 public: 00151 00152 00153 SoMFInt32 numVertices; 00154 00156 SoSFBool sendAdjacency; 00158 00160 SoLineSet(); 00161 00162 SoEXTENDER public: 00164 virtual void GLRender(SoGLRenderAction *action); 00165 00167 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00168 00169 SoINTERNAL public: 00170 static void initClass(); 00171 00173 enum Binding { 00174 OVERALL, PER_LINE, PER_SEGMENT, PER_VERTEX 00175 }; 00176 00179 typedef void (SoLineSet::*PMLS)(SoGLRenderAction *); 00180 00181 protected: 00183 virtual void generatePrimitives(SoAction *action); 00184 00186 virtual void computeBBox(SoAction *action, SbBox3f &box, 00187 SbVec3f ¢er); 00188 00190 virtual SoDetail * createLineSegmentDetail(SoRayPickAction *action, 00191 const SoPrimitiveVertex *v1, 00192 const SoPrimitiveVertex *v2, 00193 SoPickedPoint *pp); 00194 00195 virtual ~SoLineSet(); 00196 00197 private: 00199 void GLRenderInternal( SoGLRenderAction * action, uint32_t useTexCoordsAnyway, const SoShapeStyleElement * shapeStyle); 00200 00202 static Binding getMaterialBinding(SoAction *action); 00203 static Binding getNormalBinding(SoAction *action); 00204 00208 SbBool wouldGenerateNormals(SoState *state); 00209 00211 virtual void notify(SoNotList *list); 00212 00218 int totalNumVertices; 00219 00226 void OmOn(SoGLRenderAction *); void OmOnT(SoGLRenderAction *); 00227 void OmPn(SoGLRenderAction *); void OmPnT(SoGLRenderAction *); 00228 void OmFn(SoGLRenderAction *); void OmFnT(SoGLRenderAction *); 00229 void OmVn(SoGLRenderAction *); void OmVnT(SoGLRenderAction *); 00230 void PmOn(SoGLRenderAction *); void PmOnT(SoGLRenderAction *); 00231 void PmPn(SoGLRenderAction *); void PmPnT(SoGLRenderAction *); 00232 void PmFn(SoGLRenderAction *); void PmFnT(SoGLRenderAction *); 00233 void PmVn(SoGLRenderAction *); void PmVnT(SoGLRenderAction *); 00234 void FmOn(SoGLRenderAction *); void FmOnT(SoGLRenderAction *); 00235 void FmPn(SoGLRenderAction *); void FmPnT(SoGLRenderAction *); 00236 void FmFn(SoGLRenderAction *); void FmFnT(SoGLRenderAction *); 00237 void FmVn(SoGLRenderAction *); void FmVnT(SoGLRenderAction *); 00238 void VmOn(SoGLRenderAction *); void VmOnT(SoGLRenderAction *); 00239 void VmPn(SoGLRenderAction *); void VmPnT(SoGLRenderAction *); 00240 void VmFn(SoGLRenderAction *); void VmFnT(SoGLRenderAction *); 00241 void VmVn(SoGLRenderAction *); void VmVnT(SoGLRenderAction *); 00242 00244 static PMLS renderFunc[32]; 00245 00246 }; 00247 00248 #endif /* _SO_LINE_SET_ */