/**
* @file ICETools.cpp
* @brief simple ICE GUI tools
* @author Erik Rodner
* @date 03/13/2008

*/
#include "core/image/ImageT.h"
#include "core/vector/VectorT.h"
#include "core/vector/MatrixT.h"
#include <core/imagedisplay/ImageDisplay.h>
#include <core/image/Filter.h>
#include <core/image/Convert.h>

#include <iostream>

#include <core/image/RectT.h>

#include "vislearning/baselib/ICETools.h"

#include "core/basics/Exception.h"

using namespace OBJREC;

using namespace std;

using namespace NICE;

ICETools::ICETools()
{
}

ICETools::~ICETools()
{
}

void ICETools::selectRectangles ( const NICE::Image & panel, NICE::Image & overlay, vector<Vector> & x, int color )
{
  fthrow ( Exception, "ICETools::selectRectangles -- not yet implemented due to old ICE version." );
// #ifndef NOVISUAL
//     // new NICE code
//     vector<RectT<double> > rectangles;
//   //TODO check this!
// //     NICE::selectRectangles ( panel, rectangles, "select rectangles" );
// //   selectRectangles ( panel, rectangles, "select rectangles" );
//
//     for ( vector<RectT<double> >::const_iterator i = rectangles.begin();
//  i != rectangles.end(); i++ )
//     {
//  Vector vec (4);
//  vec[0] = i->left;
//  vec[1] = i->top;
//  vec[2] = i->right();
//  vec[3] = i->bottom();
//
//  x.push_back ( vec );
//     }
// #else
//     fprintf (stderr, "ICETools::selectRectangles: visualization disabled !\n");
// #endif
}

void ICETools::selectPoints ( const NICE::Image & panel, NICE::Image & overlay, vector<Vector> & x, int color )
{
  fthrow ( Exception, "ICETools::selectPoints -- not yet implemented due to old ICE version." );
// #ifndef NOVISUAL
//     vector<CoordT<double> > points;
//   //TODO check this!
// //     NICE::selectPoints ( panel, points, "select points" );
// //  selectPoints ( panel, points, "select points" );
//
//     for ( vector<CoordT<double> >::const_iterator i = points.begin();
//  i != points.end(); i++ )
//     {
//  Vector vec (2);
//  vec[0] = i->x;
//  vec[1] = i->y;
//
//  x.push_back ( vec );
//     }
//
//     /** OLD ICE Code
//     int p[2];
//     int rc = -1;
//
//     while ( (rc = SelPoint ( DEFAULT, panel, p )) != -1 )
//     {
//         int x1, y1;
//         x1 = p[0]; y1 = p[1];
//         // refactor-nice.pl: check this substitution
//         // old: Marker ( DEFAULT, p[0], p[1], color, 5, overlay );
//         // REFACTOR-FIXME Unable to map this statement
//         // refactor-nice.pl: check this substitution
//         // old: x.push_back ( Vector(x1, y1) );
//         // REFACTOR-FIXME Unable to std::map this statement
//     }
//     */
// #else
//     fprintf (stderr, "ICETools::selectPoints: visualization disabled !\n");
// #endif

}

void ICETools::convertToRGB ( const NICE::Matrix & m, NICE::ColorImage & img )
{
  matrixToPseudoColor(m, img);
}

void ICETools::convertToRGB ( const NICE::FloatImage & m, NICE::ColorImage & img )
{
  imageToPseudoColor(m, img);
}

void ICETools::calcGrayImage ( const NICE::ColorImage & img, NICE::Image & imgg )
{
  imgg.resize ( img.width(), img.height() );
  for ( int y = 0 ; y < img.height(); y++ )
    for ( int x = 0 ; x < img.width() ; x++ )
    {
      unsigned char g = ( unsigned char ) ( 0.299 * img.getPixel ( x, y, 0 ) +
                                            0.587 * img.getPixel ( x, y, 1 ) + 0.114 * img.getPixel ( x, y, 2 ) );
      imgg.setPixel ( x, y, g );
    }
}

double *ICETools::convertICE2M ( const NICE::Matrix & M )
{
  double *raw = new double [ M.rows() * M.cols() ];
  long index = 0;
  for ( uint i = 0 ; i < M.rows() ; i++ )
    for ( uint j = 0 ; j < M.cols() ; j++, index++ )
      raw[index] = M ( i, j );

  return raw;
}

void ICETools::convertM2ICE ( NICE::Matrix & M, double *raw )
{
  long index = 0;
  for ( int i = 0 ; i < ( int ) M.rows() ; i++ )
    for ( int j = 0 ; j < ( int ) M.cols() ; j++, index++ )
      M ( i, j ) = raw[index];
}

#ifndef NOVISUAL
int ICETools::markImage ( const NICE::Image & img, NICE::Image & mark, int marksize, int color )
{
  fprintf ( stderr, "ICETools::markImage: reimplement this function for NICE\n" );
  exit ( -1 );

  /*
      int flags;
      int p[2];
      int xo = -1;
      int yo = -1;

      while(1) {
   // refactor-nice.pl: check this substitution
   // old: flags = Mouse(img,p[0],p[1]);
   // REFACTOR-FIXME Unable to map this statement
   if ( (flags & M_LEFT_DOWN) > 0 ) {
       if ( (p[0] != xo) || (p[1] != yo) ) {
    if ( marksize == 1 ) {
        // refactor-nice.pl: check this substitution
        // old: PutVal( mark, p[0], p[1], color );
        mark.setPixel(p[0],p[1],color);
    } else {
        // refactor-nice.pl: check this substitution
        // old: Marker(3, p[0], p[1], color, marksize, mark);
        // REFACTOR-FIXME Unable to map this statement
    }

    xo = p[0];
    yo = p[1];
       }
   }
   if ( (flags & M_RIGHT_DOWN) > 0 ) {
       while ( (flags & M_RIGHT_DOWN) > 0 ) {
    // refactor-nice.pl: check this substitution
    // old: flags = Mouse(img,p[0],p[1]);
    // REFACTOR-FIXME Unable to map this statement
       };
       return -1;
   }
      }
  */

  return 0;
}

// refactor-nice.pl: check this substitution
// old: int ICETools::showImages ( vector<Image> & imagelist )
int ICETools::showImages ( vector<NICE::Image> & imagelist )
{
#ifndef NOVISUAL
  for ( size_t j = 0 ; j < imagelist.size() ; j++ )
  {
    // refactor-nice.pl: check this substitution
    // old: Show(ON, imagelist[j]);
    showImage ( imagelist[j] );
  }
#endif

  // assumption: same size
  // refactor-nice.pl: check this substitution
  // old: int xsize = imagelist[0]->xsize;
  int xsize = imagelist[0].width();
  // refactor-nice.pl: check this substitution
  // old: int ysize = imagelist[0]->ysize;
  int ysize = imagelist[0].height();

  int n = imagelist.size();
  int n1 = ( int ) sqrt ( (double)n );
  int n2 = n / n1 + 1;

  NICE::Image img ( n1*xsize, n2*ysize );
  img.set ( 0 );
  int k = 0;
  for ( int j = 0 ; j < n2 ; j++ )
    for ( int i = 0 ; i < n1 ; i++, k++ )
      if ( k >= n ) break;
      else {
        for ( int y = 0 ; y < imagelist[k].height(); y++ )
          for ( int x = 0 ; x < imagelist[k].width(); x++ )
          {
            img.setPixel ( i*xsize + x, j*ysize + y,
                           imagelist[k].getPixel ( x, y ) );
          }
      }

  img.write ( "display.bmp" );

  getchar();

  return 0;
}

#endif