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USW
2025-04-02 12:07:31 +09:00
parent 86a66bbeff
commit f2f018da0c
50 changed files with 2399 additions and 51 deletions
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139
ch04/Drawing/Drawing.vcxproj Normal file
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ch04/Drawing/main.cpp Normal file
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#include <iostream>
#include "opencv2/opencv.hpp"
int drawLines();
int drawPolys();
int main() {
return drawPolys();
}
int drawLines() {
cv::Mat img(400, 400, CV_8UC3, cv::Scalar(255, 255, 255));
cv::line(img, cv::Point(50, 50), cv::Point(200, 50), cv::Scalar(0, 0, 255));
cv::line(img, cv::Point(50, 100), cv::Point(200, 100), cv::Scalar(255, 0, 255), 3);
cv::line(img, cv::Point(50, 150), cv::Point(200, 150), cv::Scalar(255, 0, 0), 10);
cv::line(img, cv::Point(250, 50), cv::Point(350, 100), cv::Scalar(0, 0, 255), 1, cv::LINE_4);
cv::line(img, cv::Point(250, 70), cv::Point(350, 120), cv::Scalar(255, 0, 255), 1, cv::LINE_8);
cv::line(img, cv::Point(250, 90), cv::Point(350, 140), cv::Scalar(255, 0, 0), 1, cv::LINE_AA);
cv::arrowedLine(img, cv::Point(50, 200), cv::Point(150, 200), cv::Scalar(0, 0, 255), 1);
cv::arrowedLine(img, cv::Point(50, 250), cv::Point(350, 250), cv::Scalar(255, 0, 255), 1);
cv::arrowedLine(img, cv::Point(50, 300), cv::Point(350, 300), cv::Scalar(255, 0, 0), 1, cv::LINE_8, 0, 0.05);
cv::drawMarker(img, cv::Point(50, 350), cv::Scalar(0, 0, 255), cv::MARKER_CROSS);
cv::drawMarker(img, cv::Point(100, 350), cv::Scalar(0, 0, 255), cv::MARKER_TILTED_CROSS);
cv::drawMarker(img, cv::Point(150, 350), cv::Scalar(0, 0, 255), cv::MARKER_STAR);
cv::drawMarker(img, cv::Point(200, 350), cv::Scalar(0, 0, 255), cv::MARKER_DIAMOND);
cv::drawMarker(img, cv::Point(250, 350), cv::Scalar(0, 0, 255), cv::MARKER_SQUARE);
cv::drawMarker(img, cv::Point(300, 350), cv::Scalar(0, 0, 255), cv::MARKER_TRIANGLE_UP);
cv::drawMarker(img, cv::Point(350, 350), cv::Scalar(0, 0, 255), cv::MARKER_TRIANGLE_DOWN);
cv::imshow("img", img);
cv::waitKey(0);
cv::destroyAllWindows();
return 0;
}
int drawPolys() {
cv::Mat img(400, 400, CV_8UC3, cv::Scalar(255, 255, 255));
cv::rectangle(img, cv::Rect(50, 50, 100, 50), cv::Scalar(0, 0, 255), 2);
cv::rectangle(img, cv::Rect(50, 150, 100, 50), cv::Scalar(0, 0, 128), -1);
cv::circle(img, cv::Point(300, 120), 30, cv::Scalar(255, 255, 0), -1, cv::LINE_AA);
cv::circle(img, cv::Point(300, 120), 60, cv::Scalar(255, 0, 0), 3, cv::LINE_AA);
cv::ellipse(img, cv::Point(120, 300), cv::Size(60, 30), 20, 0, 270, cv::Scalar(255, 255, 0), -1, cv::LINE_AA);
cv::ellipse(img, cv::Point(120, 300), cv::Size(100, 50), 20, 0, 360, cv::Scalar(0, 255, 0), 2, cv::LINE_AA);
std::vector<cv::Point> pts;
pts.push_back(cv::Point(250, 250)); pts.push_back(cv::Point(300, 250));
pts.push_back(cv::Point(300, 300)); pts.push_back(cv::Point(350, 300));
pts.push_back(cv::Point(350, 350)); pts.push_back(cv::Point(250, 350));
cv::polylines(img, pts, true, cv::Scalar(255, 0, 255), 2);
cv::putText(img, "KimMinSu 20518009", cv::Point(50, 30), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(255, 0, 255), 2, cv::LINE_AA);
cv::imshow("img", img);
cv::waitKey(0);
cv::destroyAllWindows();
return 0;
}

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#include <iostream>
#include "opencv2/opencv.hpp"
int camera_in();
int camera_in_video_out();
int main() {
return camera_in_video_out();
}
int camera_in() {
cv::VideoCapture camera(0);
if (!camera.isOpened()) {
std::cerr << "camera.isopened()" << std::endl;
return 1;
}
cv::Mat img;
double fps = 1000 / camera.get(cv::VideoCaptureProperties::CAP_PROP_FPS);
std::cout << "\n\n" << fps << "\n\n";
while (true) {
camera >> img;
if (img.empty()) {
std::cerr << "img.empty()" << std::endl;
return 1;
}
cv::imshow("img", img);
if (cv::waitKey(fps) == 27)
break;
}
return 0;
}
int camera_in_video_out() {
cv::VideoCapture camera(0);
if (!camera.isOpened()) {
std::cerr << "camera.isopened()" << std::endl;
return 1;
}
cv::Mat img;
int w = cvRound(camera.get(cv::VideoCaptureProperties::CAP_PROP_FRAME_WIDTH));
int h = cvRound(camera.get(cv::VideoCaptureProperties::CAP_PROP_FRAME_HEIGHT));
double fps = camera.get(cv::VideoCaptureProperties::CAP_PROP_FPS);
cv::VideoWriter outputVideo("output.avi", cv::VideoWriter::fourcc('D', 'I', 'V', 'X'), fps, cv::Size(w, h));
while (true) {
camera >> img;
if (img.empty()) {
std::cerr << "img.empty()" << std::endl;
return 1;
}
outputVideo << ~img;
cv::imshow("img", img);
if (cv::waitKey(fps) == 27)
break;
}
return 0;
}