//------------------------------------------------------------------------
//
//  SimpleDataLoader.cpp
//  
//  This class shows how to extend the CVisDataLoader class to load some
//  data.  Currently, it only does a Random or Wave waveform.
//
//   -------------------------------------------------------------------
//  * COPYRIGHT 2001, Greg Ratajik and Ratajik Software                 *
//  * All rights Reserved                                               *
//   -------------------------------------------------------------------
//
//  This program is free software; you can redistribute it and/or
//  modify it under the terms of the GNU General Public License
//  as published by the Free Software Foundation; either version 2
//  of the License, or (at your option) any later version.
//  
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//  
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
//  More information about this program can be found at:
//          http://www.ratajik.com/VisInterface

//                            C H A N G E    L O G                           
// =====================================================================
// Change ID    Date        Programmer  Description                                      
// ============ =========   =========== ================================
//              02-21-01    Ratajik     Initial Development
//------------------------------------------------------------------------
#include "Stdafx.h"
#include "VisInterface.h"
#include "SimpleDataLoader.h"

//------------------------------------------------------------------------
//                                                                           
//      Method: CSimpleDataLoader
//                                                                           
// Description: The ctor
//
//       Parms: N/A
//
//      Return: N/A
//
//  Exceptions: N/A
//
//                            C H A N G E    L O G                           
// =====================================================================
// Change ID    Date        Programmer  Description                                      
// ============ =========   =========== ================================
//              02-21-01    Ratajik     Initial Development
//_________________________________________________________________________
CSimpleDataLoader::CSimpleDataLoader() 
{
}

//------------------------------------------------------------------------
//                                                                           
//      Method: LoadData
//                                                                           
// Description: Using the passed pointers, load the data.  This only does
//              two very basic waveforms.  Others will be added later...
//
//       Parms: unsigned char * - Waveform left channel
//              unsigned char * - Waveform right channel
//              unsigned char * - Spec left channel
//              unsigned char * - Spec right channel
//
//      Return: bool - TRUE = worked
//
//  Exceptions: N/A
//
//                            C H A N G E    L O G                           
// =====================================================================
// Change ID    Date        Programmer  Description                                      
// ============ =========   =========== ================================
//              02-21-01    Ratajik     Initial Development
//_________________________________________________________________________
bool CSimpleDataLoader::LoadData(unsigned char *pWaveLeft, unsigned char *pWaveRight, unsigned char *pSpecLeft, unsigned char *pSpecRight)
{
    ASSERT(pWaveLeft && pSpecLeft);
    
    int i;
    if(pWaveLeft && pSpecLeft && pSpecLeft && pSpecRight)
    {
        //
        // Fill for the size of the buffer.
        //
        for( i = 0;   i < VIS_BUFFER_SIZE;i++ )
        {
            pSpecLeft [i] = rand();
            pSpecRight[i] = rand();                
            
            pWaveLeft [i] = rand();
            pWaveRight[i] = rand();
        }

        return(true);
    }
    else
        return(false);    
}

//------------------------------------------------------------------------
//                                                                           
//      Method: IsValid
//                                                                           
// Description: This is a very simple one, so it's ALWAYS valid....
//
//       Parms: N/A
//
//      Return: bool - TRUE = is Valid.
//
//  Exceptions: N/A
//
//                            C H A N G E    L O G                           
// =====================================================================
// Change ID    Date        Programmer  Description                                      
// ============ =========   =========== ================================
//              02-21-01    Ratajik     Initial Development
//_________________________________________________________________________
bool CSimpleDataLoader::IsValid( void )
{
    return(true);
}