Rasterimage formats store the picture as a bitmap describing the state of pixels, as opposed to recording the length and locations of primitives such as lines and curves.
光栅图像格式将图片存储为描述像素状态的位图，而不是记录图元（譬如，线和曲线）的长度和位置。
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GIMP is a rasterimage editing application that also provides dialog, window, and screen capture capabilities.
GIMP是一个栅格图像编辑应用程序，它也提供对话框、窗口和屏幕捕获功能。
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GIMP is a popular rasterimage editing application that is available for almost all modern graphical computing platforms and provides many of the same capabilities as Adobe Photoshop.