In Listing 2, the image is already in the image buffer and all we have to do is save it to the file on disk.

在清单2中，图像已经在图像缓冲区中，我们只需将它保存到磁盘上的文件中。

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It then fills the area with a mapping, which is an image buffer used to color up the painting area of each stroke.

然后，它使用一个映射填充该区域，这个映射是用于对每个笔触的绘图区域着色的图像缓冲区。

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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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Valleywag's specialty, however, remained afflicting those who thought they had built a buffer between their business and personal practices and their image, with stories such as a running series on the trouble at Google's vaunted free cafeterias.

FORBES: Magazine Article

In short, Buffer wants to improve the painful experience of sharing any link, image or video you come across more conveniently to all your social media accounts from one place.

FORBES: Buffer - A New Social Sharing Standard?