E:/Projetos_Primeiro_Semestre_2012/TerraView/terralib/src/terralib/kernel/TeDecoderSmartMem.h

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/************************************************************************************
TerraLib - a library for developing GIS applications.
Copyright � 2001-2007 INPE and Tecgraf/PUC-Rio.

This code is part of the TerraLib library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

You should have received a copy of the GNU Lesser General Public
License along with this library.

The authors reassure the license terms regarding the warranties.
They specifically disclaim any warranties, including, but not limited to,
the implied warranties of merchantability and fitness for a particular purpose.
The library provided hereunder is on an "as is" basis, and the authors have no
obligation to provide maintenance, support, updates, enhancements, or modifications.
In no event shall INPE and Tecgraf / PUC-Rio be held liable to any party for direct,
indirect, special, incidental, or consequential damages arising out of the use
of this library and its documentation.
*************************************************************************************/
#ifndef  __TERRALIB_INTERNAL_DECODERSMARTMEM_H
#define  __TERRALIB_INTERNAL_DECODERSMARTMEM_H

#include "TeDecoder.h"
#include "TeRasterMemManager.h"
#include "TeAgnostic.h"

class TL_DLL TeDecoderSmartMem : public TeDecoder
{

public:

  TeDecoderSmartMem ();

  TeDecoderSmartMem ( const TeRasterParams& par );

  virtual ~TeDecoderSmartMem ();


  inline bool setElement (int col,int lin, double val, int band=0)
  {
    TEAGN_DEBUG_CONDITION( ( setelement_ptrs_vec_ != 0 ),
      "invalid setElement function pointers vector" )
    TEAGN_DEBUG_CONDITION( ( col < params_.ncols_ ),
      "Invalid number of columns" )
    TEAGN_DEBUG_CONDITION( ( lin < params_.nlines_ ),
      "Invalid number of lines" )
    TEAGN_DEBUG_CONDITION( ( band < params_.nBands() ),
      "Invalid band" )
    TEAGN_DEBUG_CONDITION( 
      ( params_.status_ != TeRasterParams::TeNotReady),
      "Raster not Ready" );      
    
    ( this->*( setelement_ptrs_vec_[ band ] ) )( col, lin, val, band );
  
    return true;  
  };
  

  inline bool getElement (int col,int lin, double &val,int band=0)
  {
    TEAGN_DEBUG_CONDITION( ( getelement_ptrs_vec_ != 0 ),
      "invalid getElement function pointers vector" )
    TEAGN_DEBUG_CONDITION( ( col < params_.ncols_ ),
      "Invalid number of columns" )
    TEAGN_DEBUG_CONDITION( ( lin < params_.nlines_ ),
      "Invalid number of lines" )
    TEAGN_DEBUG_CONDITION( ( band < params_.nBands() ),
      "Invalid band" )    
    TEAGN_DEBUG_CONDITION( 
      ( params_.status_ != TeRasterParams::TeNotReady),
      "Raster not Ready" );      
    
    ( this->*( getelement_ptrs_vec_[ band ] ) )( col, lin, val, band );
    
    return true;  
  };
  
  template< typename ValueType > 
  inline void setValue( const int& col, const int& lin, 
    const ValueType& val, const int& band )
  {
    TEAGN_DEBUG_CONDITION( ( getelement_ptrs_vec_ != 0 ),
      "invalid getElement function pointers vector" )
    TEAGN_DEBUG_CONDITION( ( col < params_.ncols_ ),
      "Invalid number of columns" )
    TEAGN_DEBUG_CONDITION( ( lin < params_.nlines_ ),
      "Invalid number of lines" )
    TEAGN_DEBUG_CONDITION( ( band < params_.nBands() ),
      "Invalid band" )    
    TEAGN_DEBUG_CONDITION( 
      ( params_.status_ != TeRasterParams::TeNotReady),
      "Raster not Ready" );  
        
    *( ( (ValueType*)man_manager_.getTilePointer( band, lin ) ) + col ) = val;  
  };  
  
  template< typename ValueType >    
  inline void getValue( const int& col, const int& lin, 
    ValueType& val, const int& band ) const
  {
    TEAGN_DEBUG_CONDITION( ( getelement_ptrs_vec_ != 0 ),
      "invalid getElement function pointers vector" )
    TEAGN_DEBUG_CONDITION( ( col < params_.ncols_ ),
      "Invalid number of columns" )
    TEAGN_DEBUG_CONDITION( ( lin < params_.nlines_ ),
      "Invalid number of lines" )
    TEAGN_DEBUG_CONDITION( ( band < params_.nBands() ),
      "Invalid band" )    
    TEAGN_DEBUG_CONDITION( 
      ( params_.status_ != TeRasterParams::TeNotReady),
      "Raster not Ready" );  
        
    val = ( *( ( (ValueType*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };  

  inline void* getScanLine( const int& lin, const int& band )
  {
    TEAGN_DEBUG_CONDITION( ( lin < params_.nlines_ ),
      "Invalid number of lines" )
    TEAGN_DEBUG_CONDITION( ( band < params_.nBands() ),
      "Invalid band" )    
    TEAGN_DEBUG_CONDITION( 
      ( params_.status_ != TeRasterParams::TeNotReady),
      "Raster not Ready" );  
        
    return man_manager_.getTilePointer( band, lin );
  };    

  virtual void  init  ();
  
  virtual bool  clear  ();

protected:

  typedef void (TeDecoderSmartMem::*GetEleFunctPtrT)( const int& col,
    const int& lin, double& val, const int& band );

  typedef void (TeDecoderSmartMem::*SetEleFunctPtrT)( const int& col, 
    const int& lin, const double& val, const int& band );
  
  mutable TeRasterMemManager man_manager_;

  GetEleFunctPtrT* getelement_ptrs_vec_;

  SetEleFunctPtrT* setelement_ptrs_vec_;
  
  void initVars();
  
  void updateFuncPtrVectors();  
  
  void dummyFill();    

  inline void setElement_TeBIT( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (unsigned char*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (unsigned char)val;  
  };
  
  inline void setElement_TeUNSIGNEDCHAR( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (unsigned char*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (unsigned char)val;  
  };  
  
  inline void setElement_TeCHAR( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (char*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (char)val;  
  };      

  inline void setElement_TeUNSIGNEDSHORT( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (unsigned short*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (unsigned short)val;  
  };

  inline void setElement_TeSHORT( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (short*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (short)val;
  };

  inline void setElement_TeINTEGER( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (int*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (int)val;
  }

  inline void setElement_TeUNSIGNEDLONG( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (unsigned long*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (unsigned long)val;  
  };

  inline void setElement_TeLONG( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (long*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (long)val;  
  };

  inline void setElement_TeFLOAT( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (float*)man_manager_.getTilePointer( band, lin ) ) + col ) = 
      (float)val;    
  };

  inline void setElement_TeDOUBLE( const int& col, const int& lin, 
    const double& val, const int& band )
  {
    *( ( (double*)man_manager_.getTilePointer( band, lin ) ) + col ) = val;    
  };
  
  inline void getElement_TeBIT( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (unsigned char*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };
    
  inline void getElement_TeUNSIGNEDCHAR( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (unsigned char*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };
  
  inline void getElement_TeCHAR( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (char*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeUNSIGNEDSHORT( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (unsigned short*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeSHORT( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (short*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeINTEGER( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (int*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeUNSIGNEDLONG( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (unsigned long*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeLONG( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (long*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeFLOAT( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = (double)( *( ( (float*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };

  inline void getElement_TeDOUBLE( const int& col, const int& lin, 
    double& val, const int& band )
  {
    val = ( *( ( (double*)man_manager_.getTilePointer( band, 
      lin ) ) + col ) );
  };
  
};

class TL_DLL TeDecoderSmartMemFactory : public TeDecoderFactory
{
public:

  TeDecoderSmartMemFactory(const string& name) : TeDecoderFactory(name) {}

  virtual TeDecoder* build (const TeRasterParams& arg)
  {  return new TeDecoderSmartMem(arg); }
};
#endif