cv_sample.cpp

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

int main() {
    std::unique_ptr<uint8_t[]> bufl(new uint8_t[320 * 240]);
    memset(bufl.get(), 0x00, 320*240/2*sizeof(uint8_t));
    memset(bufl.get()+320*240/2, 0x44, 320*240/2*sizeof(uint8_t));
    cv::Mat imgl = cv::Mat(cv::Size(160, 240), CV_8UC1, bufl.get(), 320);
    cv::imshow("left", imgl);

    std::unique_ptr<uint8_t[]> bufr(new uint8_t[320 * 240]);
    memset(bufr.get(), 0x88, 320*240/2*sizeof(uint8_t));
    memset(bufr.get()+320*240/2, 0xcc, 320*240/2*sizeof(uint8_t));
    cv::Mat imgr = cv::Mat(cv::Size(160, 240), CV_8UC1, bufr.get(), 320);
    cv::imshow("right", imgr);

    std::vector<cv::Mat> imgs = { imgl, imgr };
    cv::Mat concated;
    cv::hconcat(imgs, concated);
    cv::imshow("concat", concated);

    while (cv::waitKey(0) != 'q');

    return 0;
}