let image = NSImage(contentsOfFile: path as String);

class MyView: NSView {

    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        let bounds = NSRect(x: 0, y: 0, width: 100, height: 100);
        let context = NSGraphicsContext.current()?.cgContext;
        context.draw(image: self.image!, in: bounds)
    }
}

image!.draw(in: bounds);