6주차 수업 끝

ch05/brightness/main.cpp

@@ -0,0 +1,111 @@
+#include <iostream>
+#include "opencv2/opencv.hpp"
+
+using namespace std;
+using namespace cv;
+
+int brightness1();
+int brightness2();
+int brightness3();
+int brightness4();
+int mosaic();
+
+int main() {
+	return brightness4();
+}
+
+int brightness1() {
+	Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
+	if (src.empty()) {
+		cerr << "imread()" << endl;
+		return 1;
+	}
+	Mat dst = src + 100;
+
+	imshow("src", src);
+	imshow("dst", dst);
+	waitKey();
+	destroyAllWindows();
+	return 0;
+}
+
+int brightness2() {
+	Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
+	if (src.empty()) {
+		cerr << "imread()" << endl;
+		return 1;
+	}
+	Mat dst(src.rows, src.cols, src.type());
+
+	for (int j = 0; j < src.rows; j++) {
+		for (int i = 0; i < src.cols; i++) {
+			dst.at<uchar>(j, i) = src.at<uchar>(j, i) + 100;
+		}
+	}
+
+	imshow("src", src);
+	imshow("dst", dst);
+	waitKey();
+	destroyAllWindows();
+	return 0;
+}
+
+int brightness3() {
+	Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
+	if (src.empty()) {
+		cerr << "imread()" << endl;
+		return 1;
+	}
+	Mat dst(src.rows, src.cols, src.type());
+
+	for (int j = 0; j < src.rows; j++) {
+		for (int i = 0; i < src.cols; i++) {
+			dst.at<uchar>(j, i) = saturate_cast<uchar>(src.at<uchar>(j, i) + 100);
+		}
+	}
+
+	imshow("src", src);
+	imshow("dst", dst);
+	waitKey();
+	destroyAllWindows();
+	return 0;
+}
+
+void on_brightness(int pos, void* userdata) {
+	Mat src = *(Mat*)userdata;
+	Mat dst = src + pos;
+
+	imshow("dst", dst);
+}
+
+int brightness4() {
+	Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_GRAYSCALE);
+	if (src.empty()) {
+		cerr << "imread()" << endl;
+		return 1;
+	}
+	namedWindow("dst");
+	createTrackbar("Brightness", "dst", 0, 100, on_brightness, (void*)&src);
+
+	waitKey();
+	destroyAllWindows();
+	return 0;
+}
+
+int mosaic() {
+	Mat src = imread("..\\..\\resources\\images\\lenna.bmp", IMREAD_COLOR_RGB);
+	if (src.empty()) {
+		cerr << "imread()" << endl;
+		return 1;
+	}
+
+	const 
+
+	Mat dst(src.rows, src.cols, src.type());
+
+	for (int j = 0; j < src.rows; j++) {
+		for (int i = 0; i < src.cols; i++) {
+			dst.at<uchar>(j, i) = src.at<uchar>(j, i) + 100;
+		}
+	}
+}