55 lines
893 B
C++
55 lines
893 B
C++
#include <iostream>
|
|
#include "opencv2/opencv.hpp"
|
|
using namespace cv;
|
|
using namespace std;
|
|
|
|
void MatOp2();
|
|
void MatOp3();
|
|
|
|
int main() {
|
|
MatOp3();
|
|
return 0;
|
|
}
|
|
|
|
void MatOp2() {
|
|
Mat img1 = imread("..\\..\\resources\\images\\dog.bmp");
|
|
Mat img2 = img1;
|
|
Mat img3;
|
|
img3 = img1;
|
|
|
|
Mat img4 = img1.clone();
|
|
Mat img5;
|
|
img1.copyTo(img5);
|
|
|
|
img1.setTo(Scalar(0, 255, 255));
|
|
|
|
imshow("img1", img1);
|
|
imshow("img2", img2);
|
|
imshow("img3", img3);
|
|
imshow("img4", img4);
|
|
imshow("img5", img5);
|
|
|
|
waitKey();
|
|
destroyAllWindows();
|
|
}
|
|
|
|
void MatOp3() {
|
|
Mat img1 = imread("..\\..\\resources\\images\\cat.bmp");
|
|
|
|
if (img1.empty()) {
|
|
cerr << "Image load failed!" << endl;
|
|
return;
|
|
}
|
|
|
|
Mat img2 = img1(Rect(220, 120, 340, 240));
|
|
Mat img3 = img1(Rect(220, 120, 340, 240)).clone();
|
|
|
|
img2 = ~img2;
|
|
|
|
imshow("img1", img1);
|
|
imshow("img2", img2);
|
|
imshow("img3", img3);
|
|
|
|
waitKey();
|
|
destroyAllWindows();
|
|
} |