Opencv 旋转和镜像

Opencv 旋转和镜像

//旋转
cv::rotata(src,dst,type);
type:
-ROTATE_180;
-ROTATE_90_CLOCKWISE
-ROTATE_90_COUNTERCLOCKWISE;
//cv::flip(src,dst,type);//type:0(围绕x轴做镜像),1（y轴做镜像）,-1（两种都做）

#include<iostream>
#include<stdio.h>
#include <opencv2/core.hpp>
#include <opencv2/imgcodecs.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
using namespace cv;
using namespace std;

int main(int argc, char *argv)
{
    Mat src1 = imread("lena.jpg");
    Mat dst1;
    Mat dst2;
    cv::rotate(src1, dst1, ROTATE_90_CLOCKWISE);
    cv::flip(src1, dst2, -1);
    namedWindow("dst1");
    moveWindow("dst1", 0, 0);
    namedWindow("dst2");
    moveWindow("dst2", 512,0 );

    imshow("dst1",dst1);
    imshow("dst2", dst2);
    waitKey(0);


    return 0;
}