Method save

packages/melonjs/src/video/renderer.js:899–899

* Push the current transform / alpha / clip state onto an internal * stack. Pair with Renderer#restore. Implemented by subclasses.

()

	 * stack. Pair with {@link Renderer#restore}. Implemented by subclasses.
	 */
	save() {}

	/**
	 * Pop the topmost saved state from the stack, restoring transform,