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misc-fixed is a collection of monospace bitmap fonts that is distributed with the X Window System. It is a set of independent bitmap fonts which—apart from all being sans-serif fonts—cannot be described as belonging to a single font family. The misc-fixed fonts were the first fonts available for the X Window System.
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.
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.
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.
In 1991, Apple's Human Interface Group contracted with LetterPerfect Fonts' Garrett Boge and Damon Clark, to design a family of bitmap screen fonts to replace Chicago and Geneva for the Mac OS version 7.5. The family consisted of Sans & Serif, Regular and Bold in discrete bitmap sizes of 8, 9, 10, 12 & 14 pt.
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 ...
The Apple Icon Image format (.icns) is an icon format used in Apple Inc.'s macOS.It supports icons of 16 × 16, 32 × 32, 48 × 48, 128 × 128, 256 × 256, 512 × 512 points at 1x and 2x scale, with both 1-and 8-bit alpha channels and multiple image states (example: open and closed folders).