Example OpenCV

openfile.cpp

#include<opencv2\core\core.hpp>
#include<opencv2\highgui\highgui.hpp>
#define TEST_IMAGE "D:\\opencv.png"

int main(){
	// Open the file.
	cv::Mat img = cv::imread(TEST_IMAGE);

	// Display the image.
	cv::namedWindow("Image:", CV_WINDOW_AUTOSIZE);
	cv::imshow("Image:", img);

	// Wait for the user to press a key in the GUI window.
	cv::waitKey(0);

	// Free the resources.
	cv::destroyWindow("Image:");

	return 0;
}