#include <stdio.h>

#ifdef _CH_
#pragma package <opencv>
#endif

#ifndef _EiC
#include "cv.h"
#include "highgui.h"
#include <math.h>
#endif

int main(int argc, char** argv)
{
  int i, j;
  CvMemStorage* memStorage = cvCreateMemStorage(0);

  // open image
  IplImage* img = 0;
  char* filename = argc == 2 ? argv[1] : (char*)"pyrup-sample.jpg";
  if( (img = cvLoadImage(filename,1)) == 0 )
  {
    printf("open image \t\t\t[failed]\n");
    exit(0);
  }
  else
  {
    printf("open image \t\t\t[ok]\n");
  }
  
  // show orginal image
  printf("show orginal \t\t\t[ok]\n");
  cvNamedWindow("img_base", 1);
  cvShowImage("img_base", img);
  cvWaitKey(0);

  // create clone and pyr
  printf("create clone \t\t\t[ok]\n");
  CvSize size = cvSize(img->width, img->height);
  IplImage* pyr = cvCreateImage(cvSize(size.width*2, size.height*2), 8, 3 );

  // pyrUp
  printf("pyrUp clone \t\t\t[ok]\n");
  cvPyrUp(img, pyr, 7 );

  // show clone image
  printf("show clone \t\t\t[ok]\n");
  cvNamedWindow("img_clone", 1);
  cvShowImage("img_clone", pyr);
  cvWaitKey(0);
  cvDestroyWindow("img_base");
  cvDestroyWindow("img_clone");

  // save image
  printf("save create \t\t\t[ok]\n");
  cvSaveImage("pyrup-output.jpg", pyr);
  cvWaitKey(0);

  // ending program
  printf("exit program \t\t\t[ok]\n");
  cvReleaseMemStorage(&memStorage);
  cvReleaseImage(&img);
  return 0;
}

#ifdef _EiC
main(1,"");
#endif