Changes

std::streambuf* coutbuf = std::cout.rdbuf();

std::cout.rdbuf(nullptr);

// Convert the image to grayscale

cv::Mat grayscale;

cv::cvtColor(image, grayscale, cv::COLOR_BGR2GRAY);

// Apply the kernel to the grayscale image

//finds areas with quick jumps from dark to light, increases contrast there

}

}

//stop supressing

std::cout.rdbuf(coutbuf);

}

</syntaxhighlight lang="cpp">

<syntaxhighlight lang="cpp">

void openMP_imgProcessor::brightenImg(cv::Mat& image, int brightnessLvl) {

//supressing OpenCV messages

std::cout.rdbuf(coutbuf);

}

</syntaxhighlight lang="cpp">