#include "Video.h"


Video::Video() 
     : m_width( 0 ),
       m_height( 0 ),
       m_resX( 1.0 ),
       m_resY( 1.0 )
{
}

Video::~Video()
{
  Clear();
}

unsigned long Video::GetWidth()
{
  return m_width;
}

unsigned long Video::GetHeight()
{
  return m_height;
}

void Video::SetSize( unsigned long width, unsigned long height )
{
  m_width = width;
  m_height = height;
}

void Video::SetResolution( double resX, double resY )
{
  m_resX = resX;
  m_resY = resY;
}

ExtendedImage* Video::GetFrame( unsigned int i )
{
  if ( i < m_frames.size() )
  {
    return m_frames[ i ];
  }

  return NULL;
}

char* Video::GetFrameBitmap( unsigned int i )
{
  if ( i < m_frames.size() )
  {
    return m_frames[ i ]->GetBuffer();
  }

  return NULL;
}

unsigned int Video::GetFrameCount()
{
  return (unsigned int)m_frames.size();
}

void Video::AddFrame( unsigned char* data, bool isMonochrome )
{
  if ( data )
  {
    ExtendedImage* image = new ExtendedImage;

    if ( image )
    {
      if ( image->Create( m_width, m_height, 24 ) )
      {
        unsigned char* l = (unsigned char*)image->GetBuffer();
	int n = m_width * m_height;
	
	if ( isMonochrome )
	{
	  while ( n-- )
	  {
	    *l++ = *data;
	    *l++ = *data;
	    *l++ = *data++;
	  }
	}
	else
	{
	  while ( n-- )
	  {
	    *l++ = *( data + 2 );
	    *l++ = *( data + 1 );
	    *l++ = *data;
	    data += 3;
	  }
	}
	
        m_frames.push_back( image );
      }
    }
  }
}

void Video::EraseFirstFrame()
{
  m_frames.erase( m_frames.begin() ); 
}

bool Video::IsNull()
{
  return ( m_frames.size() == 0 ) ? true : false;
}

void Video::Clear()
{
  std::vector< ExtendedImage* >::iterator
    f = m_frames.begin(),
    fe = m_frames.end();

  while ( f != fe )
  {
    if ( !(*f)->IsNull() )
    {
      (*f)->Destroy();
    }

    delete *f;

    ++f;
  }

  m_frames.clear();
}