OpenCVManager.java

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package com.neuronrobotics.bowlerstudio.opencv;
 
import java.util.ArrayList;
 
import org.opencv.videoio.VideoCapture;
 
import com.neuronrobotics.sdk.common.DeviceManager;
import com.neuronrobotics.sdk.common.NonBowlerDevice;
 
public class OpenCVManager extends NonBowlerDevice {
    private static boolean libLoaded = false;
    private int camerIndex;
    private VideoCapture capture;
    static {
        try {
            nu.pattern.OpenCV.loadLocally();
            libLoaded = true;
        } catch (Throwable t) {
            t.printStackTrace();
        }
    }
 
    private OpenCVManager(int camerIndex) {
        this.camerIndex = camerIndex;
        if (!libLoaded)
            throw new RuntimeException("OpenCV library failed to load");
        connect();
    }
    
    public static OpenCVManager get(int index) {
        return (OpenCVManager)DeviceManager.getSpecificDevice("opencv_"+index, () -> new  OpenCVManager(index));
        
    }
 
    @Override
    public void disconnectDeviceImp() {
        if (getCapture() != null)
            getCapture().release();
    }
 
    @Override
    public boolean connectDeviceImp() {
        try {
            setCapture(new VideoCapture(camerIndex));
            getCapture().open(camerIndex);
            return true;
        } catch (Throwable t) {
            t.printStackTrace();
        }
        return false;
    }
 
    @Override
    public ArrayList<String> getNamespacesImp() {
        // TODO Auto-generated method stub
        return null;
    }
 
    public VideoCapture getCapture() {
        return capture;
    }
 
    private void setCapture(VideoCapture capture) {
        this.capture = capture;
    }
 
}