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GNU Unifont
GNU Unifont is a free Unicode bitmap font using an intermediate bitmapped font format created by Roman Czyborra. The main Unifont covers all of the Basic Multilingual Plane (BMP). The "upper" companion covers significant parts of the Supplementary Multilingual Plane (SMP). The "Unifont JP" companion contains Japanese kanji present in the JIS X 0213 character set. It is present in most free operating systems and windowing systems such as Linux, XFree86 or the X.Org Server and some embedded firmware such as RockBox. The source code is released under the GPL-2.0-or-later license. The font is released under the GPL-2.0-or-later license with Font-exception-2.0 (embedding the font in a document does not require the document to be placed under the same license). The manual is released under the GFDL-1.3-or-later license. It became a GNU package in October 2013. The current maintainer is Paul Hardy. Status The Unicode Basic Multilingual Plane covers 216 (65,536) code points. Of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unicode
Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, which is maintained by the Unicode Consortium, defines as of the current version (15.0) 149,186 characters covering 161 modern and historic scripts, as well as symbols, emoji (including in colors), and non-visual control and formatting codes. Unicode's success at unifying character sets has led to its widespread and predominant use in the internationalization and localization of computer software. The standard has been implemented in many recent technologies, including modern operating systems, XML, and most modern programming languages. The Unicode character repertoire is synchronized with ISO/IEC 10646, each being code-for-code identical with the other. ''The Unicode Standard'', however, includes more than just the base code. Along ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Private Use Areas
In Unicode, a Private Use Area (PUA) is a range of code points that, by definition, will not be assigned characters by the Unicode Consortium. Three private use areas are defined: one in the Basic Multilingual Plane (), and one each in, and nearly covering, planes 15 and 16 (, ). The code points in these areas cannot be considered as standardized characters in Unicode itself. They are intentionally left undefined so that third parties may define their own characters without conflicting with Unicode Consortium assignments. Under the Unicode Stability Policy, the Private Use Areas will remain allocated for that purpose in all future Unicode versions. Assignments to Private Use Area characters need not be private in the sense of strictly internal to an organisation; a number of assignment schemes have been published by several organisations. Such publication may include a font that supports the definition (showing the glyphs), and software making use of the private-use characters (e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
APL (programming Language)
APL (named after the book ''A Programming Language'') is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent most functions and operators, leading to very concise code. It has been an important influence on the development of concept modeling, spreadsheets, functional programming, and computer math packages. It has also inspired several other programming languages. History Mathematical notation A mathematical notation for manipulating arrays was developed by Kenneth E. Iverson, starting in 1957 at Harvard University. In 1960, he began work for IBM where he developed this notation with Adin Falkoff and published it in his book ''A Programming Language'' in 1962. The preface states its premise: This notation was used inside IBM for short research reports on computer systems, such as the Burroughs B5000 and its stack mechanism when stack machi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PC Screen Font
PC Screen Font (PSF) is a bitmap font format currently employed by the Linux kernel for console Console may refer to: Computing and video games * System console, a physical device to operate a computer ** Virtual console, a user interface for multiple computer consoles on one device ** Command-line interface, a method of interacting with ... fonts. Documentation of the PSF file format can be found within the source code of the Linux kbd utilities. The format is described by the University Eindhoven. File format File header Every PSF file begins with a header. There are two header types: PSF1 and PSF2. All multibyte integers are in least significant byte order (little endian). All psf1 glyphs are 8 pixels wide. Font modes The font mode in a psf1 header is an 8 bit unsigned integer containing various flags about the font Font flags The font flags field in a psf2 header is a 32 bit unsigned integer containing various flags about the font. There is currently ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable Compiled Format
Portable Compiled Format (PCF) is a bitmap font format used by X Window System in its core font system, and has been used for decades. PCF fonts are usually installed, by default, on most Unix-based operating systems, and are used in terminals such as xterm In computing, xterm is the standard terminal emulator for the X Window System. It allows users to run programs which require a command-line interface. If no particular program is specified, xterm runs the user's shell. An X display can sho .... PCF fonts replaced Bitmap Distribution Format due to a slight efficiency increase, however most applications have moved on to scalable fonts. See also * Glyph Bitmap Distribution Format * Server Normal Format References External links PCF (Portable Compiled Format) Font formats {{Compu-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glyph Bitmap Distribution Format
The Glyph Bitmap Distribution Format (BDF) by Adobe is a file format for storing bitmap fonts. The content takes the form of a text file intended to be human- and computer-readable. BDF is typically used in Unix X Window environments. It has largely been replaced by the PCF font format which is somewhat more efficient, and by scalable fonts such as OpenType and TrueType fonts. Overview the current version of BDF is 2.2. No future revisions are anticipated. Earlier versions were referred to as the Character Bitmap Distribution Format. In 1988, the X Consortium adopted BDF 2.1 as a standard for X Window screen fonts, but X Windows has largely moved to other font standards such as PCF, Opentype, and Truetype. Version 2.2 added support for non-Western writing. For example, glyphs in a BDF 2.2 font definition can specify rendering from top-to-bottom rather than simply left-to-right. A BDF font file contains three sections: #a global section that applies to all glyphs in a font ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TrueType
TrueType is an outline font standard developed by Apple in the late 1980s as a competitor to Adobe's Type 1 fonts used in PostScript. It has become the most common format for fonts on the classic Mac OS, macOS, and Microsoft Windows operating systems. The primary strength of TrueType was originally that it offered font developers a high degree of control over precisely how their fonts are displayed, right down to particular pixels, at various font sizes. With widely varying rendering technologies in use today, pixel-level control is no longer certain in a TrueType font. History ''TrueType'' was known during its development stage, first by the codename "Bass" and later on by the codename "Royal". The system was developed and eventually released as TrueType with the launch of Mac System 7 in May 1991. The initial TrueType outline fonts, four-weight families of '' Times Roman'', ''Helvetica'', ''Courier'', and the pi font "Symbol" replicated the original PostScript fonts of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GNU Unifont Chinese Language (Taiwan) Sample
GNU () is an extensive collection of free software (383 packages as of January 2022), which can be used as an operating system or can be used in parts with other operating systems. The use of the completed GNU tools led to the family of operating systems popularly known as Linux. Most of GNU is licensed under the GNU Project's own General Public License (GPL). GNU is also the project within which the free software concept originated. Richard Stallman, the founder of the project, views GNU as a "technical means to a social end". Relatedly, Lawrence Lessig states in his introduction to the second edition of Stallman's book ''Free Software, Free Society'' that in it Stallman has written about "the social aspects of software and how Free Software can create community and social justice". Name ''GNU'' is a recursive acronym for "GNU's Not Unix!", chosen because GNU's design is Unix-like, but differs from Unix by being free software and containing no Unix code. Stallman chose th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hangul
The Korean alphabet, known as Hangul, . Hangul may also be written as following South Korea's standard Romanization. ( ) in South Korea and Chosŏn'gŭl in North Korea, is the modern official writing system for the Korean language. The letters for the five basic consonants reflect the shape of the speech organs used to pronounce them, and they are systematically modified to indicate phonetic features; similarly, the vowel letters are systematically modified for related sounds, making Hangul a featural writing system. It has been described as a syllabic alphabet as it combines the features of alphabetic and syllabic writing systems, although it is not necessarily an abugida. Hangul was created in 1443 CE by King Sejong the Great in an attempt to increase literacy by serving as a complement (or alternative) to the logographic Sino-Korean ''Hanja'', which had been used by Koreans as its primary script to write the Korean language since as early as the Gojoseon period (spa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
OpenType
OpenType is a format for scalable computer fonts. It was built on its predecessor TrueType, retaining TrueType's basic structure and adding many intricate data structures for prescribing typographic behavior. OpenType is a registered trademark of Microsoft Corporation. The specification germinated at Microsoft, with Adobe Systems also contributing by the time of the public announcement in 1996. Because of wide availability and typographic flexibility, including provisions for handling the diverse behaviors of all the world's writing systems, OpenType fonts are used commonly on major computer platforms. History OpenType's origins date to Microsoft's attempt to license Apple's advanced typography technology GX Typography in the early 1990s. Those negotiations failed, motivating Microsoft to forge ahead with its own technology, dubbed "TrueType Open" in 1994. Adobe joined Microsoft in those efforts in 1996, adding support for the glyph outline technology used in its Type 1 fon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unibit (font)
WenQuanYi (; aka: ''Spring of Letters'') is an open-source project of Chinese computer fonts licensed under GNU General Public License. General WenQuanYi project was started by Qianqian Fang (Screen name: FangQ; ), a Chinese biomedical imaging researcher at the Massachusetts General Hospital, in October, 2004. The fonts of the WenQuanYi project are now included with the Linux distributions Ubuntu, Fedora, Slackware, Magic Linux and CDLinux. Debian, Gentoo, Mandriva, Arch Linux and Frugalware offer the sources for WenQuanYi fonts. The fonts are among the Chinese fonts officially supported by Wikimedia. WenQuanYi's website is using Habitat, a Wiki software derived from UseModWiki by Qianqian Fang. It is allowed to create or modify the glyphs online. Fonts WenQuanYi project aims to create high-quality open-source bitmap and outline fonts for all CJK characters. It includes Zen Hei (Regular, Mono and Sharp), Micro Hei (Regular and Mono), Bitmap Song and Unibit font. As of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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