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MPColorTrackerImage.cpp

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/*
 *  ffimage.cpp
 *  
 *
 *  Created by Ian Fasel on Mon Nov 18 2002.
 *  Copyright (c) 2002 __MyCompanyName__. All rights reserved.
 *
 */

#include "ffimage.h"
#include "mpisearch.h"

// Ideally, we'd have a subclass derived from ostream....
// In the meantime, we have this thingy
static void debug_message(const char* message){
#ifdef DEBUG_FFIMAGE
  cout << message << endl;
#endif
}

// A fast RGBTRIPLE to MPISEARCH_PIXEL_TYPE converting copy constructor
FFImage<MPISEARCH_PIXEL_TYPE>::FFImage<MPISEARCH_PIXEL_TYPE>(const FFImage<RGBTRIPLE> &source){
  debug_message( "FFImage::FFImage(): Converting from RGBTRIPLE to MPISEARCH_PIXEL_TYPE" );
  MPISEARCH_PIXEL_TYPE one_over_255 = 1.0f/255.0f;
  setSize(source.width,source.height,FALSE);
  int numpixels = width*height;
  char message[256];
  sprintf(message,"FFImage::FFImage(): Source image %d", source.isFlipped());
  debug_message( message );
  MPISEARCH_PIXEL_TYPE *dest_ptr = array;
  RGBTRIPLE *source_ptr = source.array;
  if(!source.isFlipped()){
        for(int i = 0; i < numpixels; i++){
          *(dest_ptr++) = static_cast<MPISEARCH_PIXEL_TYPE>((source_ptr->rgbtBlue*.11f
                                                                                                          + source_ptr->rgbtGreen*.59f
                                                                                                          + source_ptr->rgbtRed*.3f)*one_over_255);
          source_ptr++;
        }
  } else{
        RGBTRIPLE *temp;
        for (int y=height-1; y >= 0; y--) {
          temp = source_ptr + y * width;
          for (int x = 0; x < width; x++, temp++) {
                *(dest_ptr++)  = static_cast<MPISEARCH_PIXEL_TYPE>(( temp->rgbtBlue*.11f +
                                                                                                            temp->rgbtGreen*.59f +
                                                                                                            temp->rgbtRed*.3f )*one_over_255);
          }
        }
  }

  //m_flipped = FALSE;  // since we un-flipped it here, the resulting image is not flipped!
}

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