BMP是一种包含位图图像的图形文件格式。它可以指定图像像素以在任何设备中显示图像，这就是为什么它与设备无关。它使用文件头来包含所有位图信息。它支持彩色和灰色模型。它还有一个包含图像颜色的颜色表。
BMP is a graphic file format that contains Bitmap images. It can specify image pixels to show the image in any devices, that’s why it is device independent. It uses the file header to contain all the Bitmap info. It supports both colored and gray color models. It also have a color table that contains image colors.
