testing-repository/OpenCV_test/test5_brightless/main.cpp

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2022-07-17 14:34:02 +08:00
#include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
int main(int argc, char **argv)
{
std::string filename;
Mat image;
int brightless = 0;
// Get Filename
std::cout << "Input Filename:";
std::cin >> filename;
if (filename != "")
{
image = imread(filename, IMREAD_COLOR);
if (image.empty())
{
std::cout << "Failed to open the image!" << std::endl;
return -1;
}
}
Mat dst = Mat::zeros(image.size(), image.type());
Mat m = Mat::zeros(image.size(), image.type());
namedWindow("Image brightless test", WINDOW_NORMAL);
imshow("Image brightless test", image);
while (1)
{
int c = waitKey(1);
if (c != -1)
{
std::cout << c << std::endl;
}
if (c == 27)
{
break;
}
if (c == 45)
{
if (brightless > 0)
{
brightless -= 5;
}
m = Scalar(brightless, brightless, brightless);
add(image, m, dst);
imshow("Image brightless test", dst);
}
if (c == 61)
{
if (brightless < 100)
{
brightless += 5;
}
m = Scalar(brightless, brightless, brightless);
add(image, m, dst);
imshow("Image brightless test", dst);
}
}
destroyAllWindows();
return 0;
}