opencv-draw.js

if (results != null) {
        for (index in results) {
            let result = results[index];
 
            let upperLeft = new cv.Point(result.x1, result.y1)
            let bottomLeft = new cv.Point(result.x2, result.y2)
            let upperRight = new cv.Point(result.x3, result.y3)
            let bottomRight = new cv.Point(result.x4, result.y4)
 
            img.drawLine(
                upperLeft,
                bottomLeft,
                drawParams
            )
            img.drawLine(
                bottomLeft,
                upperRight,
                drawParams
            )
 
            img.drawLine(
                upperRight,
                bottomRight,
                drawParams
            )
            img.drawLine(
                bottomRight,
                upperLeft,
                drawParams
            )
 
            img.putText(result.value, new cv.Point(result.x1, result.y1 + 10), fontFace, fontScale, textColor, thickness);
        }
 
    }