#include "cv.h"

#include "highgui.h"

IplImage *doPyrUp(IplImage *in){

	//assert(in->width%2 == 0 && in->height%2 == 0);

	//IplImage *out = cvCreateImage(cvSize(in->width/2, in->height/2), in->depth, in->nChannels);

	IplImage *out = cvCreateImage(cvSize(in->width*2, in->height*2), in->depth, in->nChannels);

	//cvPyrDown(in, out);

	cvPyrUp(in, out);

	return out;

}

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

	IplImage *img = cvLoadImage(argv[1]);

	//IplImage *img2 = cvCreateImage(cvSize(img->width/2, img->height/2), img->depth, img->nChannels);

	IplImage *img2 = cvCreateImage(cvSize(img->width*2, img->height*2), img->depth, img->nChannels);

	cvNamedWindow("hello1", CV_WINDOW_AUTOSIZE);

	cvNamedWindow("hello2", CV_WINDOW_AUTOSIZE);

	cvShowImage("hello1", img);

	//img2 = doPyrDown(img);

	img2 = doPyrUp(img);

	cvShowImage("hello2", img2);

	cvWaitKey(0);

	cvReleaseImage(&img);

	cvReleaseImage(&img2);

	cvDestroyWindow("hello1");

	cvDestroyWindow("hello2");

	return 0;

}