Switches the Foreground and Background color.

开关的前景和背景颜色。

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In order to matting image, that is to separate the foreground and background.

实现图像的抠图功能，即把前景和背景分开。

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JFaceColors can assign specific colors to the foreground and background of a widget dynamically.

JFaceColors可以把特定颜色动态指派给小部件的前景和背景。

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As with its little brother, though, the flash was borderline useless -- washing out anything in the foreground and casting the background into almost complete darkness.

ENGADGET: Samsung Focus S review Mobile

Also, in many common situations, such as taking a simple picture of a single face or object, the refocusing ability just doesn't come into play, since it works best when there are multiple objects arranged so that some are in the foreground and some are in the background.

WSJ: Lytro Takes Fresh View on Picture Taking

Magisto will soon offer even more sophisticated effects like morphing between faces and creating a 3D effect by manipulating the background and foreground of integrated images.

ENGADGET: Magisto adds still photos to its AI video editing witchery (video)