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00005  * UNPUBLISHED -- Rights reserved under the copyright laws of the United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
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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      : Paul S. Strauss (MMM yyyy)
00025 ** Modified by : Nick Thompson (MMM yyyy)
00026 **=======================================================================*/
00027 /*=======================================================================
00028  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00029  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00030  ***                                                                                ***
00031  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00032  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00033  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00034  ***                                                                                ***
00035  ***                        RESTRICTED RIGHTS LEGEND                                ***
00036  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00037  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00038  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00039  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00040  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00041  ***                                                                                ***
00042  ***                   COPYRIGHT (C) 1996-2020 BY FEI S.A.S,                        ***
00043  ***                        BORDEAUX, FRANCE                                        ***
00044  ***                      ALL RIGHTS RESERVED                                       ***
00045 **=======================================================================*/
00046 /*=======================================================================
00047 ** Modified by : VSG (MMM YYYY)
00048 **=======================================================================*/
00049 
00050 
00051 #ifndef  _SO_VRML_LINE_SET_
00052 #define  _SO_VRML_LINE_SET_
00053 
00054 #include <Inventor/fields/SoMFInt32.h>
00055 #include <Inventor/VRMLnodes/SoVRMLNode.h>
00056 
00057 
00058 #if defined(OIV_IGNORE_VRML_DEPRECATED)
00059   #include <SoDeprecationRules.h>
00060   #pragma push_macro("SoDEPRECATED_CLASS")
00061   #pragma push_macro("SoDEPRECATED_TYPEDEF")
00062   #undef SoDEPRECATED_CLASS
00063   #undef SoDEPRECATED_TYPEDEF
00064   #define SoDEPRECATED_CLASS(x,y)
00065   #define SoDEPRECATED_TYPEDEF(x,y)
00066 #endif
00067 
00068 class SoState;
00069 class SoPrimitiveVertex;
00070 
00072 //
00073 //  Class: SoVRMLIndexedLineSet
00074 //
00075 //  Indexed set of (poly)lines. Each line consists of 2 or more
00076 //  vertices, each of which is denoted by an integer index (from the
00077 //  coordIndex field) into the current coordinates. Depending on the
00078 //  current material and normal binding values, the materials and
00079 //  normals for the lines or vertices may be accessed in order or
00080 //  indexed. If they are indexed, the colorlIndex and normalIndex
00081 //  fields are used. Texture coordinates may also be indexed, using
00082 //  the textureCoordIndex field.
00083 //
00085 
00086 // This coordinate index indicates that the current line ends and the
00087 // next line begins
00088 #define SO_END_LINE_INDEX       (-1)
00089 class SoDEPRECATED  SoVRMLLineSet : public SoVRMLNode {
00163 
00164   SO_NODE_HEADER(SoVRMLLineSet);
00165 
00166  public:
00167   // Fields
00168 
00173   SoSFNode            coord;
00178   SoSFNode            color;
00183    SoMFInt32          vertexCount;
00187   SoVRMLLineSet();
00188 
00189  private:
00190   // Implements actions
00191   virtual void        GLRender(SoGLRenderAction *action);
00192   virtual void        generatePick(SoRayPickAction *action, SoNode *node);
00193   virtual void        getPrimitiveCount(SoGetPrimitiveCountAction *action);
00194 
00195 
00196   // Redefine this to tell open caches that they contain lines
00197   virtual void        getBoundingBox(SoGetBoundingBoxAction *action);
00198                                                
00199   //Typedef of pointer to method on IndexedLineSet;
00200   //This will be used to simplify declaration and initialization.
00201   typedef void (SoVRMLLineSet::*PMILS)(SoGLRenderAction *);
00202                                                   
00203  private:
00204   static void         initClass();
00205   static void         exitClass();
00206 
00207  private:
00208   // This enum is used to indicate the current material binding
00209   enum Binding {
00210     OVERALL,
00211     PER_SEGMENT,    PER_SEGMENT_INDEXED,
00212     PER_LINE,       PER_LINE_INDEXED,
00213     PER_VERTEX,     PER_VERTEX_INDEXED
00214   };
00215   // Generates line segments representing line set
00216   virtual void        generatePrimitives(SoAction *action);
00217 
00218   // Overrides standard method to create an SoLineDetail instance
00219   virtual SoDetail *  createLineSegmentDetail(SoRayPickAction *action,
00220                                               const SoPrimitiveVertex *v1,
00221                                               const SoPrimitiveVertex *v2,
00222                                               SoPickedPoint *pp);
00223   virtual ~SoVRMLLineSet();
00224 
00225  private:
00226   // Returns current material or normal binding from action's state
00227   static Binding      getMaterialBinding(SoAction *action);
00228   //static Binding    getNormalBinding(SoAction *action);
00229 
00230   // Reset numVertices/numSegments/numPolylines when notified
00231   virtual void        notify(SoNotList *list);
00232     
00233   // Fill in numPolylines, numSegments 
00234   void countPolylinesAndSegments();
00235     
00236   // Number of polylines, number of line segments, and vertices per polyline
00237 
00238   int         numSegments;
00239   int         numPolylines;
00240   int *       numVertices;
00241         
00242   // Returns TRUE if normal binding is AUTO and there aren't enough
00243   // PER_VERTEX normals, in which case we turn off lighting and draw
00244   // BASE_COLOR.
00245   //wouldGenerateNormals(SoState *state);
00246 
00247   // 32 different render functions; names are formed like this:
00248   // Om -- overall material  Pm -- per part material
00249   // Fm -- per face material Vm -- per vertex material
00250   // On -- overall normal    Pm -- per part normal
00251   // Fn -- per face normal   Vm -- per vertex normal
00252   // T  -- per vertex texture coordinates
00253   void OmOn(SoGLRenderAction *); void OmOnT(SoGLRenderAction *);
00254   void OmPn(SoGLRenderAction *); void OmPnT(SoGLRenderAction *);
00255   void OmFn(SoGLRenderAction *); void OmFnT(SoGLRenderAction *);
00256   void OmVn(SoGLRenderAction *); void OmVnT(SoGLRenderAction *);
00257   void PmOn(SoGLRenderAction *); void PmOnT(SoGLRenderAction *);
00258   void PmPn(SoGLRenderAction *); void PmPnT(SoGLRenderAction *);
00259   void PmFn(SoGLRenderAction *); void PmFnT(SoGLRenderAction *);
00260   void PmVn(SoGLRenderAction *); void PmVnT(SoGLRenderAction *);
00261   void FmOn(SoGLRenderAction *); void FmOnT(SoGLRenderAction *);
00262   void FmPn(SoGLRenderAction *); void FmPnT(SoGLRenderAction *);
00263   void FmFn(SoGLRenderAction *); void FmFnT(SoGLRenderAction *);
00264   void FmVn(SoGLRenderAction *); void FmVnT(SoGLRenderAction *);
00265   void VmOn(SoGLRenderAction *); void VmOnT(SoGLRenderAction *);
00266   void VmPn(SoGLRenderAction *); void VmPnT(SoGLRenderAction *);
00267   void VmFn(SoGLRenderAction *); void VmFnT(SoGLRenderAction *);
00268   void VmVn(SoGLRenderAction *); void VmVnT(SoGLRenderAction *);
00269 
00270   // Array of function pointers to render functions:
00271   static PMILS renderFunc[32];
00272     
00273   static const int AUTO_CACHE_MIN_WITHOUT_VP;
00274   static const int AUTO_CACHE_MAX;
00275 
00276 };
00277 
00278     
00279 
00280 
00281 #if defined(OIV_IGNORE_VRML_DEPRECATED)
00282   #pragma pop_macro("SoDEPRECATED_TYPEDEF")
00283   #pragma pop_macro("SoDEPRECATED_CLASS")
00284 #endif
00285 
00286 #endif /* _SO_VRML_LINE_SET_ */
00287
Inventor/VRMLnodes/SoVRMLLineSet.h
