RandomColorMap.ih

// IMPLEMENTATION of inline methods.

#include <cstdlib>



// Implementation of inline methods                                          //





inline 
DGtal::RandomColorMap::RandomColorMap(const unsigned int &aFirstIndex, const unsigned int & aLastIndex, 
              const Color &aFirstColor, const Color &aLastColor)
{
  myMin = aFirstIndex;
  myMax  = aLastIndex;
  myGradientMap = new GradientColorMap<unsigned int> (aFirstIndex, aLastIndex);
  myGradientMap->addColor(aFirstColor);
  myGradientMap->addColor(aLastColor);
  associateRandomIndexColor();  
}



inline
void
DGtal::RandomColorMap::associateRandomIndexColor(){
  for(unsigned int i=myMin; i<=myMax; i++){
    myColorIndex.push_back(myMax+1);
    myFreeColorIndex.push_back(i);
  }
  unsigned int i=0;
  while(myFreeColorIndex.size()!=0){
    unsigned int pos = rand()%myFreeColorIndex.size();
    myColorIndex[i]=myFreeColorIndex.at(pos);
    myFreeColorIndex.erase(myFreeColorIndex.begin()+pos);
    i++;
  }
  
}

inline
DGtal::RandomColorMap::~RandomColorMap()
{
  delete myGradientMap;
}



inline
void
DGtal::RandomColorMap::addColor( const Color &aColor) 
{
  myGradientMap->addColor(aColor);
  associateRandomIndexColor();
}

inline
void
DGtal::RandomColorMap::selfDisplay ( std::ostream & out ) const
{
    out << "[RandomColorMap]";
}


inline 
bool
DGtal::RandomColorMap::isValid() const
{
    return true;
}


inline
DGtal::RandomColorMap &
DGtal::RandomColorMap::operator=(const DGtal::RandomColorMap & anOther)
{
if ( &anOther != this ) {
    myMin = anOther.myMin;
    myMax = anOther.myMax;
    myColorIndex = anOther.myColorIndex;
    myFreeColorIndex= anOther.myFreeColorIndex;
    myGradientMap = new GradientColorMap<unsigned int> (myMin, myMax);
 }
  return *this;
}

inline
Color 
DGtal::RandomColorMap::operator()( const unsigned int & aValue ) const
{
  return (*myGradientMap)(myColorIndex.at(aValue));    
}


inline
const unsigned int &
DGtal::RandomColorMap::min() const
{
  return myMin;
}

inline
const unsigned int &
DGtal::RandomColorMap::max() const
{
  return myMax;
}


// Implementation of inline functions and external operators                 //

inline
std::ostream&
DGtal::operator<< ( std::ostream & out,
                  const RandomColorMap & object )
{
    object.selfDisplay ( out );
    return out;
}

//                                                                           //