TAPsReadOff.hpp

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/******************************************************************************
TAPsReadOff.hpp

Create an OpenGL Model Object from a .off file

SUKITTI PUNAK   (05/24/2006)
UPDATE          (06/01/2006)
******************************************************************************/
#ifndef TAPs_READ_OFF_HPP
#define TAPs_READ_OFF_HPP

// The necessary headers are included in TAPsReadModel.hpp which directly uses
// this header.

BEGIN_NAMESPACE_TAPs
//=============================================================================
template <typename T> class ReadModels;
//=============================================================================
template <typename T>
class ReadOff {
    friend class ReadModels<T>;
// Member Functions  ----------------------------------------------------------
public:
    //-------------------------------------------------------------------------
    // Read an input file
    //  I/P: fileName
    //  O/P: *prModel
    // More than one fn per each operation due to the design of Model types;
    //   E.g.
    //   One for PolygonalModel and its derived classes
    //   The other for XPolygonalModel and its derived classes
    //
    //   Each pairs are exactly identical (both declaration and definition) 
    //   except the passed prModel pointer.
    //-------------------------------------------------------------------------
    static bool readFile( const char *fileName, OpenGL::PolygonalModel<T> * const prModel );
    static bool readFile( const char *fileName, OpenGL::XPolygonalModel<T> * const prModel );
    static bool readFile( const char *fileName, OpenGL::HalfEdgeModel<T> * const prModel );
    //-------------------------------------------------------------------------
private:
    //-------------------------------------------------------------------------
    // Process Each Node
    //-------------------------------------------------------------------------
    static bool ProcessHEADER( FILE * inputFile, OpenGL::MeshModel<T> * const prModel );
    //-------------------------------------------------------------------------
    static void ProcessVERTEX_LIST( FILE * inputFile, OpenGL::PolygonalModel<T> * const prModel );
    static void ProcessVERTEX_LIST( FILE * inputFile, OpenGL::XPolygonalModel<T> * const prModel );
    static void ProcessVERTEX_LIST( FILE * inputFile, OpenGL::HalfEdgeModel<T> * const prModel );
    //-------------------------------------------------------------------------
    static void ProcessFACE_LIST( FILE * inputFile, OpenGL::PolygonalModel<T> * const prModel );
    static void ProcessFACE_LIST( FILE * inputFile, OpenGL::XPolygonalModel<T> * const prModel );
    static void ProcessFACE_LIST( FILE * inputFile, OpenGL::HalfEdgeModel<T> * const prModel );
    //-------------------------------------------------------------------------
// Data Members ---------------------------------------------------------------
private:
    //---------------------------------------------------------------
    static int vertexNo;            // current vertex number
    static int halfEdgeCounter;     // count number of half-edges
//  static FILE *fileIn;
    /*
    // for half-edge originated vertex look up
    static HEVertex<T> ** vertexList;
    // hash table for vertex ring list
    // used for half-edge pair look up
    static HashTableBySTLVector<int> * vertexRingList;
    // hash table for halfedge ring list
    // used for half-edge pair look up
    static HashTableBySTLVector< HEHalfEdge<T>* > * halfEdgeRingList;
    // (bounday) half-edges on hole faces
    static HEHalfEdge<T> * boundaryHalfEdgePtr;
    //*/
};
//=============================================================================
END_NAMESPACE_TAPs
//-----------------------------------------------------------------------------
// Include definition if TAPs_USE_EXPORT is not defined
//#if !defined( TAPs_USE_EXPORT )
    #include "TAPsReadOff.cpp"
//#endif
//-----------------------------------------------------------------------------
#endif
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