/////////////////////////////////////////////////////////////
//! rcsid="$Id: exIter.cc,v 1.5 2000/10/04 13:06:05 ees1cg Exp $"

#include "amma/ImagIter.hh"
#include "amma/Image2Iter.hh"
#include "amma/Image3Iter.hh"
#include "amma/ImgPIter.hh"
#include "amma/ByteImag.hh"
#include "amma/YUVImage.hh"
#include "amma/YUVValue.hh"
#include "amma/ImRectIt.hh"

// Example of using image iterators.

int main() {

  // Clear an image (using single iterator).
  ByteImageC x(100,100);
  for(ImageIterC<ByteGreyValueT> it(x);it.IsElm();it.Next()) 
    it.Data() = 0;

  // Image x = image x + image y (using double iterator)
  ByteImageC y(100,100); y.Fill(75);
  Image2IterC<ByteGreyValueT, ByteGreyValueT> it2(x, y);
  for(it2.First(); it2.IsElm(); it2.Next())
    it2.Data2()+= it2.Data1();

  // Create a YUV image from 2 grey-scale images (using triple iterator)
  // NB we don't claim this example does anything useful!
  YUVImageC z(100,100);
  Image3IterC<ByteGreyValueT, ByteGreyValueT, ByteYUVValueC> it3(x, y, z);
  for(it3.First(); it3.IsElm(); it3.Next())
    it3.Data3() = ByteYUVValueC((int) it3.Data1(),(int)  it3.Data1(), (int) it3.Data2());
  
  return 0;
}