![]() ![]() When the format was in common use, an XBM typically appeared in headers (.h files) which featured one array per image stored in the header. XBM data consists of a series of static unsigned char arrays containing the monochrome pixel data. The image data is encoded as a comma-separated list of byte values, each written in the C hexadecimal notation, '0x13' for example, so that multiple ASCII characters are used to express a single byte of image information. This means that they can be compiled directly into an application without any preprocessing steps, but it also makes them far larger than their raw pixel data. XBM files differ markedly from most image files in that they take the form of C source files. ![]() The XBM format is superseded by XPM, which first appeared for X11 in 1989. In computer graphics, the X Window System used X BitMap ( XBM), a plain text binary image format, for storing cursor and icon bitmaps used in the X GUI. ![]()
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