mozCurrentTransform is deprecated and will be removed in the future. Use CanvasRenderingContext2D.getTransform() or CanvasRenderingContext2D.setTransform() instead.
mozCurrentTransform 已弃用，未来将被移除。请改用 CanvasRenderingContext2D.getTransform() 或 CanvasRenderingContext2D.setTransform()。