#include <iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include<opencv2/imgproc/imgproc.hpp>
#include <cmath>
using namespace cv;
using namespace std;
int main()
{
double t = 9;
int rate = 30;//帧率
Mat src_in;
VideoCapture cap("1.mp4");
VideoWriter writer("1_1.avi", CV_FOURCC('M', 'J', 'P', 'G'), rate, Size(854, 480));
if (!cap.isOpened()) {
return -1;
}
while (1) {
cap >> src_in;
Mat src_clone = src_in.clone();
Mat src = Mat(Size(src_in.cols * 1.0 / t, src_in.rows * 1.0 / t), src.type());
Mat dst(src_in.size(), src_in.type(), Scalar(255, 255, 255));
resize(src_in, src, Size(src_in.cols / t, src_in.rows / t), 2);
string str[10] = { "9","8", "7", "6", "5", "4", "3", "2", "1", "0" };
cvtColor(src, src, CV_BGR2GRAY);
blur(src, src, Size(3, 3));
for (int i = 0; i < src.rows; i++) {
for (int j = 0; j < src.cols; j++) {
int c = (int)src.at<uchar>(i, j);
int b = (int)src_clone.at<Vec3b>(i + i * (t - 1), j + j * (t - 1))[0];
int g = (int)src_clone.at<Vec3b>(i + i * (t - 1), j + j * (t - 1))[1];
int r = (int)src_clone.at<Vec3b>(i + i * (t - 1), j + j * (t - 1))[2];
putText(dst, str[(c * 9) / 255], Point(j + j * (t - 1), i + i * (t - 1)), FONT_HERSHEY_PLAIN,
0.5, Scalar(b, g, r), 1, 8);
}
}
imshow("效果图", dst);
writer << dst;
if (waitKey(rate) >= 0) {
break;
}
}
return 0;
}