Coin Logo http://www.sim.no
http://www.coin3d.org

SbClip.h

00001 #ifndef COIN_SBCLIP_H
00002 #define COIN_SBCLIP_H
00003  
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/lists/SbList.h>
00028 #include <Inventor/SbVec3f.h>
00029 #include <stddef.h>
00030 
00031 class SbPlane;
00032 class SbVec2f;
00033 
00034 typedef void * SbClipCallback(const SbVec3f & v0, void * vdata0, 
00035                               const SbVec3f & v1, void * vdata1,
00036                               const SbVec3f & newvertex,
00037                               void * userdata);
00038 
00039 class COIN_DLL_API SbClip {
00040 public:
00041   SbClip(SbClipCallback * callback = NULL, void * userdata = NULL);
00042   
00043   void addVertex(const SbVec3f &v, void * vdata = NULL);  
00044   void reset(void);
00045 
00046   void clip(const SbPlane & plane);
00047 
00048   int getNumVertices(void) const;
00049   void getVertex(const int idx, SbVec3f & v, void ** vdata = NULL) const; 
00050   void * getVertexData(const int idx) const;
00051   
00052 private:
00053   class SbClipData {
00054   public:
00055     SbClipData(void) {}
00056     SbClipData(const SbVec3f & v, void * data) 
00057       : vertex(v),
00058         data(data) {}
00059   public:
00060     void get(SbVec3f &v, void *& dataref) {
00061       v = this->vertex;
00062       dataref = this->data;
00063     }
00064 
00065     SbVec3f vertex;
00066     void * data;
00067   };
00068 
00069   SbClipCallback * callback;
00070   void * cbdata;
00071   SbList <SbClipData> array[2];
00072   int curr;
00073   void outputVertex(const SbVec3f &v, void * data);
00074 };
00075 
00076 
00077 #endif // !COIN_SBCLIP_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

Generated on Mon Feb 28 2011 10:11:52 for Coin by Doxygen. 1.7.3