Method getCanvas

shared/java/Surface.java:661–673

Returns Canvas that draws into Surface. Subsequent calls return the same Canvas. Canvas returned is managed and owned by Surface, and is deleted when Surface is deleted. @return Canvas for Surface

()

     * @return Canvas for Surface
     */
    @NotNull
    public Canvas getCanvas() {
        try {
            if (_canvas == null) {
                Stats.onNativeCall();
                long ptr = _nGetCanvas(_ptr);
                _canvas = ptr == 0 ? null : new Canvas(ptr, false, this);
            }
            return _canvas;
        } finally {
            ReferenceUtil.reachabilityFence(this);
        }
    }

    /**
     * <p>Returns a compatible Surface, or null.</p>