public void set(Viewport src) {
        this.left = src.left;
        this.top = src.top;
        this.right = src.right;
        this.bottom = src.bottom;
    }
Copy the coordinates from src into this viewport.

@param src The viewport whose coordinates are copied into this viewport.
hellocharts-library/src/lecho/lib/hellocharts/model/Viewport.java