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The X Window System is based on a client–server model: a single server controls the input/output hardware, such as the screen, the keyboard, and the mouse; all application programs act as clients, interacting with the user and with the other clients via the server. This interaction is regulated by the X Window System core protocol.
The X Window terminology takes the perspective that the X Window program is at the centre of all activity, i.e. the X Window program accepts and responds to requests from applications, and from the user's mouse and keyboard input. Therefore, applications (on remote computers) are viewed as clients of the X Window server program.
The X Window System (X11, or simply X; stylized 𝕏) is a windowing system for bitmap displays, common on Unix-like operating systems. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. [3] The X protocol has been at version 11 (hence "X11") since September 1987.
Because a single bit represents each pixel (0 for white or 1 for black), each byte in the array contains the information for eight pixels, with the upper left pixel in the bitmap represented by the low bit of the first byte in the array. If the image width does not match a multiple of 8, the extra bits in the last byte of each row are ignored.
X PixMap (XPM) is an image file format used by the X Window System, created in 1989 by Daniel Dardailler and Colas Nahaboo working at Bull Research Center at Sophia Antipolis, France, and later enhanced by Arnaud Le Hors. [2] [3] It is intended primarily for creating icon pixmaps, and supports transparent pixels.
Green x and y value most significant 8 bits 31–32: Blue x and y value most significant 8 bits 33–34: Default white point x and y value most significant 8 bits 35–37 Established timing bitmap. Supported bitmap for (formerly) very common timing modes. 35: Bit 7: 720×400 @ 70 Hz Bit 6: 720×400 @ 88 Hz Bit 5: 640×480 @ 60 Hz Bit 4
In some contexts, the term bitmap implies one bit per pixel, whereas pixmap is used for images with multiple bits per pixel. [3] [4] A bitmap is a type of memory organization or image file format used to store digital images. The term bitmap comes from the computer programming terminology, meaning just a map of bits, a spatially mapped array of ...
Unicode fonts for Mac OS X computers — Survey of Unicode fonts included with Mac OS X and Microsoft Office 2004. Microsoft's ClearType website; Fondu – program to convert (and separate) Mac OS X dfont data fork files to TrueType, OpenType, Type 1, and Glyph Bitmap parts