A policy for discarding tile images according to some criteria. This type describes an
interface and is not intended to be instantiated directly.
方法
Determines if the discard policy is ready to process images.
返回值:
True if the discard policy is ready to process images; otherwise, false.
Given a tile image, decide whether to discard that image.
参数名称 | 类型 | 描述信息 |
---|---|---|
image |
HTMLImageElement | An image to test. |
返回值:
True if the image should be discarded; otherwise, false.