OpenCV 利用cvui实现界面的创建

重新搭建了VS2015和OpenCV3.1。使用OpenCV如何创建简单的界面控制，cvui可以完成这项工作，只需要下载cvui并将cvui.h放到程序中，即可

#include <opencv2/opencv.hpp>
#define CVUI_IMPLEMENTATION 
#include "cvui.h"

#define WINDOW_NAME "CVUI Canny Edge"

int main(void)
{
	cv::Mat pic = cv::imread("lena.jpg");
	int width = pic.rows, height = pic.cols;
	cv::Mat frame = cv::Mat(cv::Size(width + 30, height), 0);
	int low_threshold = 50, high_threshold = 150;
	bool use_canny = false;

	cv::namedWindow(WINDOW_NAME);
	cvui::init(WINDOW_NAME);

	while (cv::waitKey(30) != 27) {
		if (use_canny) {
			cv::cvtColor(pic, frame, CV_BGR2GRAY);
			cv::Canny(frame, frame, low_threshold, high_threshold, 3);
		}
		else {
			pic.copyTo(frame);
		}

		cvui::window(frame, 320, 50, 180, 180, "Setting");
		cvui::checkbox(frame, 330, 80, "Use Canny Edge", &use_canny);
		cvui::trackbar(frame, 330, 110, 165, &low_threshold, 5, 150);
		cvui::trackbar(frame, 330, 180, 165, &high_threshold, 80, 300);

		cvui::update();
		cv::imshow(WINDOW_NAME, frame);


	}
	return 0;
}

之前运行总是出错，原因在于缺少了

#define CVUI_IMPLEMENTATION 

成功运行后的结果


可以在图像上面创建按钮，实现一些简单的程序，接下来用它来实现项目。加油！