Additional capabilities provide the means of testing the pixel color of a screen coordinate or even capturing a whole area of the screen as an image buffer.

其它的功能还提供了测试一个屏幕坐标的像素颜色的方法，甚至可以将屏幕上的一整块区域作为一个图像缓冲捕捉下来。

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The XWD utility enables you to capture an entire screen (by capturing the X11 root window) or a specific window identified by using a mouse or a window id on the command line.

可以使用xwd实用程序捕获整个屏幕(通过捕获X11根窗口)，也可以使用鼠标或在命令行上指定窗口ID，从而捕获特定的窗口。

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The next article in this series will discuss standard tools for capturing images that show the entire screen or a specific window on UNIX and Linux systems.

本系列的下一篇文章将讨论用于在UNIX和Linux系统上捕获显示整个屏幕或特定窗口的图像的标准工具。

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The iPad offers the convenience and a large screen the makes capturing the exact image easier than on a small camera or smartphone screen.

FORBES: Apple: More than The New iPad

Like a motion-controlled video gaming system, the Virtual Music Instrument employs a camera that is mounted on a computer screen and aimed at someone, capturing their gestures.

CNN: One-handed violinist helps the disabled make music

This latest contender seems to work in a similar manner to the PSP2TV, by capturing video from the console's screen and piping it through composite or S-video outputs to a peripheral display.

ENGADGET: PSP on TV allows you to view PSP content��on your TV