Generate Striped Image

genimage.cpp

#include <iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>

using namespace std;
using namespace cv;

int main()
{
	Mat image(200,300,CV_8UC3,Scalar(0,0,255));
	char win[] = "Striped Image"; //String with the name of the window
	int location;
	for(int i=0; i<image.rows;i++)
	{
		for(int j=0;j<image.cols;j++)
		{
			image.at<Vec3b>(i,j)[0]=0;
			image.at<Vec3b>(i,j)[1]=0;
			image.at<Vec3b>(i,j)[2]=0;
			if(i<image.rows/3)
				image.at<Vec3b>(i,j)[0]=255;	//Blue
			else if(i>=(2*image.rows)/3)
				image.at<Vec3b>(i,j)[2]=255;	//Red
			else
				image.at<Vec3b>(i,j)[1]=255;	//Green
		}
	}
	namedWindow(win,CV_WINDOW_AUTOSIZE);
	imshow(win,image);
	waitKey(0);
	return 0;
}