// This may look like C code, but it is really -*- C++ -*-
//
// Copyright Bob Friesenhahn, 1999, 2000, 2003
//
// Test STL averageImages function
//

#include <Magick++.h>
#include <string>
#include <iostream>
#include <list>
#include <vector>

using namespace std;

using namespace Magick;

int main( int /*argc*/, char ** argv)
{

  // Initialize ImageMagick install location for Windows
  InitializeMagick(*argv);

  int failures=0;

  try {

    string srcdir("");
    if(getenv("SRCDIR") != 0)
      srcdir = getenv("SRCDIR");

    //
    // Test averageImages
    //

    list<Image> imageList;
    readImages( &imageList, srcdir + "test_image_anim.miff" );

    Image averaged;
    averageImages( &averaged, imageList.begin(), imageList.end() );
    // averaged.display();
    if ( averaged.signature() != "e0c649d1cb9c773507799c22ee437f32e15570e55d58ecc62f0c5a0c6dc36368" &&
         averaged.signature() != "76e3d52bdb28335843afa0f82adcedd1b0794472bb193f311399322863266ed2" &&
         averaged.signature() != "c2a2a727df34c85e3b6528c06cb12967574d6c85e1d0501055506765c578f7cc")
      {
        cout << "Line: " << __LINE__
             << "  Averaging image failed, signature = "
             << averaged.signature() << endl;
        averaged.display();
        ++failures;
      }
  }

  catch( Exception &error_ )
    {
      cout << "Caught exception: " << error_.what() << endl;
      return 1;
    }
  catch( exception &error_ )
    {
      cout << "Caught exception: " << error_.what() << endl;
      return 1;
    }

  if ( failures )
    {
      cout << failures << " failures" << endl;
      return 1;
    }

  return 0;
}
