OpenMesh
OpenMesh/Apps/Unsupported/IvViewer/SoOpenMeshNodeT.hh
00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
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00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *  This file is part of OpenMesh.                                           *
00009  *                                                                           *
00010  *  OpenMesh is free software: you can redistribute it and/or modify         * 
00011  *  it under the terms of the GNU Lesser General Public License as           *
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00016  *  If other files instantiate templates or use macros                       *
00017  *  or inline functions from this file, or you compile this file and         *
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00020  *  GNU Lesser General Public License. This exception does not however       *
00021  *  invalidate any other reasons why the executable file might be            *
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00023  *                                                                           *
00024  *  OpenMesh is distributed in the hope that it will be useful,              *
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00026  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
00027  *  GNU Lesser General Public License for more details.                      *
00028  *                                                                           *
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00032  *                                                                           *
00033 \*===========================================================================*/ 
00034 
00035 /*===========================================================================*\
00036  *                                                                           *             
00037  *   $Revision: 362 $                                                         *
00038  *   $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $                   *
00039  *                                                                           *
00040 \*===========================================================================*/
00041 
00042 //=============================================================================
00043 //
00044 //  Class SoOpenMeshNode
00045 //
00046 //  This class defines an basic inventor node to display an OpenMesh
00047 //
00048 //=============================================================================
00049 
00050 
00051 #ifndef OPENMESH_SOOPENMESHNODE_HH
00052 #define OPENMESH_SOOPENMESHNODE_HH
00053 
00054 
00055 //== INCLUDES =================================================================
00056 
00057 
00058 #include <OpenMesh/Core/Utils/GenProg.hh>
00059 #include <Inventor/nodes/SoNode.h>
00060 #include <Inventor/nodes/SoShape.h>
00061 
00062 //== NAMESPACES ===============================================================
00063 
00064 
00065 namespace OpenMesh {
00066 
00067 
00068 //== CLASS DEFINITION =========================================================
00069 
00070 
00071 template <class Mesh>
00072 class SoOpenMeshNodeT : public SoShape
00073 {
00074 
00075   SO_NODE_HEADER(SoOpenMeshNodeT<Mesh>);
00076 
00077     
00078 public:
00079 
00080   static void initClass();
00081   SoOpenMeshNodeT(const Mesh* _mesh=0);
00082   void setMesh(const Mesh* mesh) { d_mesh = mesh; }
00083 
00084 
00085 protected:
00086 
00087   virtual void GLRender(SoGLRenderAction *action);
00088   virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
00089   virtual void generatePrimitives(SoAction *action);
00090 
00091 
00092 private:
00093 
00094   virtual ~SoOpenMeshNodeT() {};
00095 
00096 
00097   // Draw faces as triangles / polygons
00098   void drawFaces(bool _send_normals) { 
00099     typedef typename Mesh::Face Face;
00100     drawFaces(_send_normals, typename Face::IsTriangle());
00101   }
00102   void drawFaces(bool _send_normals, OpenMesh::GenProg::Bool2Type<true>);
00103   void drawFaces(bool _send_normals, OpenMesh::GenProg::Bool2Type<false>);
00104 
00105 
00106   // Generate primitives
00107   void genPrimitives(SoAction* _action) { 
00108     typedef typename Mesh::Face Face;
00109     genPrimitives(_action, typename Face::IsTriangle());
00110   }
00111   void genPrimitives(SoAction* _action, OpenMesh::GenProg::Bool2Type<true>);
00112   void genPrimitives(SoAction* _action, OpenMesh::GenProg::Bool2Type<false>);
00113 
00114 
00115   const Mesh*  mesh_;
00116 };
00117 
00118 
00119 //=============================================================================
00120 } // namespace OpenMesh
00121 //=============================================================================
00122 #if defined(INCLUDE_TEMPLATES) && !defined(OPENMESH_SOOPENMESHNODE_CC)
00123 #  define OPENMESH_SOOPENMESHMODE_TEMPLATES
00124 #  include "SoOpenMeshNodeT.cc"
00125 #endif
00126 //=============================================================================
00127 #endif // OPENMESH_SOOPENMESHNODE_HH
00128 //=============================================================================