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Fallback Font
A fallback font is a reserve typeface containing symbols for as many Unicode characters as possible. When a display system encounters a character that is not part of the repertoire of any of the other available fonts, a symbol from a fallback font is used instead. Typically, a fallback font will contain symbols representative of the various types of Unicode characters. Systems that do not offer a fallback font typically display black or white rectangles, question marks, the Unicode Replacement Character (U+FFFD), or nothing at all, in place of missing characters. Placing one or more fallback fonts at the end of a list of preferred fonts ensures that there are no missing characters. Unicode BMP Fallback font 0 0 2 0 The Unicode BMP Fallback font is a Unicode font that was originally created for debugging purposes. It contains a glyph for every character in the Unicode Basic Multilingual Plane. Each glyph consists of a box containing the four hexadeci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Typeface
A typeface (or font family) is the design of lettering that can include variations in size, weight (e.g. bold), slope (e.g. italic), width (e.g. condensed), and so on. Each of these variations of the typeface is a font. There are list of typefaces, thousands of different typefaces in existence, with new ones being developed constantly. The art and craft of designing typefaces is called ''type design''. Designers of typefaces are called ''type designers'' and are often employed by ''type foundry, type foundries''. In desktop publishing, type designers are sometimes also called ''font developers'' or ''font designers''. Every typeface is a collection of glyphs, each of which represents an individual letter, number, punctuation mark, or other symbol. The same glyph may be used for character (symbol), characters from different scripts, e.g. Roman uppercase A looks the same as Cyrillic uppercase А and Greek uppercase alpha. There are typefaces tailored for special applications, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Macintosh Operating Systems
Two major famlies of Mac operating systems were developed by Apple Inc. In 1984, Apple debuted the operating system that is now known as the "Classic" Mac OS with its release of the original Macintosh System Software. The system, rebranded "Mac OS" in 1997, was preinstalled on every Macintosh until 2002 and offered on Macintosh clones for a short time in the 1990s. Noted for its ease of use, it was also criticized for its lack of modern technologies compared to its competitors. The current Mac operating system is macOS, originally named "Mac OS X" until 2012 and then "OS X" until 2016. Developed between 1997 and 2001 after Apple's purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that the classic Mac OS faced. The current macOS is preinstalled with every Mac and receives a major update annually. It is the basis of Apple's current system software for its other devices – iOS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arial Unicode MS
In digital typography, the TrueType font Arial Unicode MS is an extended version of the font Arial. Compared to Arial, it includes higher line height, omits kerning pairs and adds enough glyphs to cover a large subset of Unicode 2.1—thus supporting most Microsoft code pages, but also requiring much more storage space (22 megabytes). It also adds Ideographic layout tables, but unlike Arial, it mandates no smoothing in the 14–18 point range, and contains Roman (upright) glyphs only; there is no oblique ( italic) version. Arial Unicode MS was previously distributed with Microsoft Office, but this ended in 2016 version. It is bundled with Mac OS X v10.5 and later. It may also be purchased separately (as ''Arial Unicode'') from Ascender Corporation, who licenses the font from Microsoft. When rendered with the same engine and without making adjustments for the different font metrics, the glyphs that appear in both Arial and Arial Unicode MS appear to be slightly wider, and thus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Code2000
Code2000 is a serif font, serif and pan-Unicode typefaces, Unicode digital font, which includes Grapheme, characters and symbols from a very large range of writing systems. As of the current final version 1.171 released in 2008, Code2000 is designed and implemented by James Kass to include as much of the Unicode, Unicode 5.2 standard as practical (whereas 12.0 is the currently-released version), and to support OpenType digital typography features. Code2000 supports the Basic Multilingual Plane. Code2001 was a designed to support the Supplementary Multilingual Plane, with ISO 8859-1 characters shared with Code2000 for compatibility. A third font, Code2002, was left substantially unfinished and never officially released. Code2000 was released as shareware/donationware, with the licensing fee set at $5.00. Code2001 was released under a free software license that prohibited most derivative works but otherwise allowed free use, redistribution and font embedding, embedding. The pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fonts On Macintosh
Apple's Macintosh computer supports a wide variety of fonts. This support was one of the features that initially distinguished it from other systems. Fonts System fonts The primary system font in OS X El Capitan and above is San Francisco (sans-serif typeface), San Francisco. OS X Yosemite used Helvetica, Helvetica Neue, and preceding versions largely employed Lucida Grande. For labels and other small text, 10 pt Lucida Grande was typically used. Lucida Grande is almost identical in appearance to the prevalent Windows font Lucida Sans, and contains a larger variety of glyphs. MacOS ships with multiple typefaces, for multiple scripts, licensed from several sources. MacOS includes Latin alphabet, Roman, Japanese language, Japanese and Chinese character, Chinese fonts. It also supports sophisticated font techniques, such as Typographic ligature, ligatures and filtering. Many of the classic Macintosh typefaces included with previous versions remained available, including the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Open-source Unicode Typefaces
There are Unicode typefaces which are open-source and designed to contain glyphs of all Unicode characters, or at least a broad selection of Unicode scripts. There are also numerous projects aimed at providing only a certain script, such as the Arabeyes Arabic font. The advantage of targeting only some scripts with a font was that certain Unicode characters should be rendered differently depending on which language they are used in, and that a font that only includes the characters a certain user needs will be much smaller in file size compared to one with many glyphs. Unicode fonts in modern formats such as OpenType can in theory cover multiple languages by including multiple glyphs per character, though very few actually cover more than one language's forms of the unified Han characters. History GNU Unifont GNU Unifont is a bitmap-based font created by Roman Czyborra that is present in most free operating systems and windowing systems such as Linux, XFree86 or the X.Org Serve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bitmap
In computing, a bitmap is a mapping from some domain (for example, a range of integers) to bits. It is also called a bit array A bit array (also known as bitmask, bit map, bit set, bit string, or bit vector) is an array data structure that compactly stores bits. It can be used to implement a simple set data structure. A bit array is effective at exploiting bit-level ... or bitmap index. As a noun, the term "bitmap" is very often used to refer to a particular bitmapping application: the pix-map, which refers to a map of pixels, where each one may store more than two colors, thus using more than one bit per pixel. In such a case, the domain in question is the array of pixels which constitute a digital graphic output device (a screen or monitor). In some contexts, the term ''bitmap'' implies one bit per pixel, whereas ''pixmap'' is used for images with multiple bits per pixel. A bitmap is a type of computer storage, memory organization or image file format used to store dig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Basic Multilingual Plane
In the Unicode standard, a plane is a continuous group of 65,536 (216) code points. There are 17 planes, identified by the numbers 0 to 16, which corresponds with the possible values 00–1016 of the first two positions in six position hexadecimal format (U+''hhhhhh''). Plane 0 is the Basic Multilingual Plane (BMP), which contains most commonly used characters. The higher planes 1 through 16 are called "supplementary planes". The last code point in Unicode is the last code point in plane 16, U+10FFFF. As of Unicode version , five of the planes have assigned code points (characters), and seven are named. The limit of 17 planes is due to UTF-16, which can encode 220 code points (16 planes) as pairs of words, plus the BMP as a single word. UTF-8 was designed with a much larger limit of 231 (2,147,483,648) code points (32,768 planes), and would still be able to encode 221 (2,097,152) code points (32 planes) even under the current limit of 4 bytes. The 17 planes can accommodate 1,114,1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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] |
Evertype
Michael Everson (born January 9, 1963) is an American and Irish linguist, script encoder, typesetter, type designer and publisher. He runs a publishing company called Evertype, through which he has published over a hundred books since 2006. His central area of expertise is with writing systems of the world, specifically in the representation of these systems in formats for computer and digital media. In 2003 Rick McGowan said he was "probably the world's leading expert in the computer encoding of scripts" for his work to add a wide variety of scripts and characters to the Universal Character Set. Since 1993, he has written over two hundred proposals which have added thousands of characters to ISO/IEC 10646 and the Unicode standard; as of 2003, he was credited as the leading contributor of Unicode proposals. Life Everson was born in Norristown, Pennsylvania, and moved to Tucson, Arizona, at the age of 12. His interest in the works of J. R. R. Tolkien led him to study Old Engli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael Everson
Michael Everson (born January 9, 1963) is an American and Irish linguist, script encoder, typesetter, type designer and publisher. He runs a publishing company called Evertype, through which he has published over a hundred books since 2006. His central area of expertise is with writing systems of the world, specifically in the representation of these systems in formats for computer and digital media. In 2003 Rick McGowan said he was "probably the world's leading expert in the computer encoding of scripts" for his work to add a wide variety of scripts and characters to the Universal Character Set. Since 1993, he has written over two hundred proposals which have added thousands of characters to ISO/IEC 10646 and the Unicode standard; as of 2003, he was credited as the leading contributor of Unicode proposals. Life Everson was born in Norristown, Pennsylvania, and moved to Tucson, Arizona, at the age of 12. His interest in the works of J. R. R. Tolkien led him to study Old Englis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mac OS X 10
macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers it is the second most widely used desktop OS, after Microsoft Windows and ahead of ChromeOS. macOS succeeded the classic Mac OS, a Mac operating system with nine releases from 1984 to 1999. During this time, Apple cofounder Steve Jobs had left Apple and started another company, NeXT, developing the NeXTSTEP platform that would later be acquired by Apple to form the basis of macOS. The first desktop version, Mac OS X 10.0, was released in March 2001, with its first update, 10.1, arriving later that year. All releases from Mac OS X 10.5 Leopard and after are UNIX 03 certified, with an exception for OS X 10.7 Lion. Apple's other operating systems (iOS, iPadOS, watchOS, tvOS, audioOS) are derivatives of macOS. A prominent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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