获取一个值，该值指示系统能否在软件中呈现位图效果。
Gets a value that indicates whether the system can render bitmap effects in software.
要达到同样的效果，SVG图像的大小要小于位图。
The corresponding size of an SVG image is smaller as compared to that of the bitmap images which are required to achieve the same effect.
描述将噪音和其他效果应用于矢量图像或位图图像的方式。
Describe ways to apply noise and other effects to vector or bitmap images.
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