#ifndef CC_LUT_H
#define CC_LUT_H

#include <iclImg.h>
#include <vector>
#include <string>

namespace icl{

  /// static utility function for displaying some progress information in console
  void progress_init(const std::string &text="Creating LUT");

  /// static utility function for displaying some progress information in console
  void progress_finish();

  /// static utility function for displaying some progress information in console
  void progress(int curr, int max);

  class CCLUT{
    public:
    CCLUT(format srcFmt, format dstFmt);
    void cc(const ImgBase *src, ImgBase *dst, bool roiOnly=false);
    
    private:
    Img8u m_oLUT;
    format m_eSrcFmt;
    format m_eDstFmt;
  };
  
  
  /// TODO basisklass CCLUT
  /// unterklassen CCLUT3x3 usw
  /** evtl: kleinere luts durch internes runtersamplen der
      farbinfos z.B. factor 2 oder 4
      2: 3*2 statt 3*16mb
      
      zusätzliche beschleunigung: 
      statt yuvToRGB vielleicht ippiYUVToHLS direkt im grabber!
  **/
  /******************
      class CCLUT{
      static const int OFS1 = 256;
      static const int OFS2 = 65536;
      
      public:
      CCLUT(format srcFmt, format dstFmt){
      m_iSrcChan = getChannelsOfFormat(srcFmt);
      m_iDstChan = getChannelsOfFormat(dstFmt);
      
      int DIM = (int)pow(256,m_iSrcChan);
      
      // alloc lut
      memset(m_apucLUT,0,3*sizeof(icl8u*));
      for(int i=0;i<m_iDstChan;++i){
      m_apucLUT[i] = new icl8u[DIM];
      }
      
      /// this must be much bigger
      Img8u bufSrc(Size(256*256*256,3),srcFmt);
      Img8u bufDst(Size(256*256*256,3),dstFmt);
      
      for(int r=0;r<256;r++){
      std::fill(bufSrc.getData(0)+r*OFS2, bufSrc.getData(0)+(r+1)*OFS2, icl8u(r));
      icl8u *pg = bufSrc.getData(1)+r*OFS2;
      for(int g=0;g<256;g++){
      std::fill(pg+g*OFS1,pg+(g+1)*OFS1, icl8u(g));
      icl8u *pb = bufSrc.getData(2)+r*OFS2 + g*OFS1;
      for(int b=0;b<256;b++){
      pb[b] = icl8u(b);
      }
      }
      }
      }
      icl8u *m_apucLUT[3];
      
      inline void convert3to3(const icl8u &s1,
      const icl8u &s2,const 
      icl8u &s3, icl8u s1, 
      icl8u &d1, icl8u &d2, icl8u &d3){
      int idx = s1+OFS1*s2+OFS3*s3;
      d1 = m_apucLUT[0][idx];
      d2 = m_apucLUT[1][idx];
      d3 = m_apucLUT[2][idx];
      }
      };
      */
}

#endif