package cn.csbr.app.Facerecognition;

import org.bytedeco.javacv.*;

import javax.swing.*;

public class JavaCvTest {
    public static void main(String[] args) {
//        try {
//            testCamera();
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        } catch (FrameGrabber.Exception e) {
//            e.printStackTrace();
//        }
        FaceWindow faceWindow=new FaceWindow();
        faceWindow.start(null);
    }
    public static void testCamera() throws InterruptedException, FrameGrabber.Exception {
        OpenCVFrameGrabber grabber = new OpenCVFrameGrabber(1);
        grabber.start();   //开始获取摄像头数据
        CanvasFrame canvas = new CanvasFrame("摄像头");//新建一个窗口
        canvas.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        canvas.setAlwaysOnTop(true);

        while (true) {
            if (!canvas.isDisplayable()) {//窗口是否关闭
                grabber.stop();//停止抓取
                System.exit(-1);//退出
            }

            Frame frame = grabber.grab();

            canvas.showImage(frame);//获取摄像头图像并放到窗口上显示， 这里的Frame frame=grabber.grab(); frame是一帧视频图像
            Thread.sleep(50);//50毫秒刷新一次图像
        }
    }
    OpenCVFrameGrabber grabber = new OpenCVFrameGrabber(1);
    public void open() throws FrameGrabber.Exception {
        grabber.start();
    }
    public void close() throws FrameGrabber.Exception {
        grabber.stop();//停止抓取
    }
    public Frame getImage() throws  FrameGrabber.Exception {
            return grabber.grab();
    }
    public static void testCamera1() throws FrameGrabber.Exception, InterruptedException {
        VideoInputFrameGrabber grabber = VideoInputFrameGrabber.createDefault(1);
        grabber.start();
        CanvasFrame canvasFrame = new CanvasFrame("摄像头");
        canvasFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        canvasFrame.setAlwaysOnTop(true);
        while (true) {
            if (!canvasFrame.isDisplayable()) {
                grabber.stop();
                System.exit(-1);
            }
            Frame frame = grabber.grab();

            canvasFrame.showImage(frame);
            Thread.sleep(30);
        }
    }
}