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In European and West Asian typography and penmanship, the baseline is the line upon which most letters sit and below which descenders extend. [1]
In the example to the right, the letter 'p' has a descender; the other letters sit on the (red) baseline.
Most, though not all, typefaces are similar in the following ways as regards the baseline:
The vertical distance of the base lines of consecutive lines in a paragraph is also known as line height or leading, although the latter can also refer to the baseline distance minus the font size.
Northern Brahmic scripts have a characteristic hanging baseline; the letters are aligned to the top of the writing line, marked by an overbar, with diacritics extending above the baseline.
East Asian scripts have no baseline; each glyph sits in a square box, with neither ascenders nor descenders. When mixed with scripts with a low baseline, East Asian characters should be set so that the bottom of the character is between the baseline and the descender height.
Q, or q, is the seventeenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is pronounced, most commonly spelled cue, but also kew, kue and que.
Type design is the art and process of designing typefaces. This involves drawing each letterform using a consistent style. The basic concepts and design variables are described below.
A typeface is a design of letters, numbers and other symbols, to be used in printing or for electronic display. Most typefaces include variations in size, weight, slope, width, and so on. Each of these variations of the typeface is a font.
Although people in many parts of the world share common alphabets and numeral systems, styles of handwritten letterforms vary between individuals, and sometimes also vary systematically between regions.
In typography, leading is the space between adjacent lines of type; the exact definition varies.
Blackletter, also known as Gothic script, Gothic minuscule or Gothic type, was a script used throughout Western Europe from approximately 1150 until the 17th century. It continued to be commonly used for Danish, Norwegian, and Swedish until the 1870s, Finnish until the turn of the 20th century, Latvian until the 1930s, and for the German language until the 1940s, when Hitler officially discontinued it in 1941. Fraktur is a notable script of this type, and sometimes the entire group of blackletter faces is referred to as Fraktur. Blackletter is sometimes referred to as Old English, but it is not to be confused with the Old English language, which predates blackletter by many centuries and was written in the insular script or in Futhorc. Along with Italic type and Roman type, blackletter served as one of the major typefaces in the history of Western typography.
In typography and handwriting, a descender is the portion of a letter that extends below the baseline of a font.
Scribal abbreviations or sigla are abbreviations used by ancient and medieval scribes writing in various languages, including Latin, Greek, Old English and Old Norse.
In typography, the x-height, or corpus size, is the distance between the baseline and the mean line of lowercase letters in a typeface. Typically, this is the height of the letter x in the font, as well as the letters v, w, and z. One of the most important dimensions of a font, x-height defines how high lowercase letters without ascenders are compared to the cap height of uppercase letters.
The following is an alphabetical index of articles related to graphonomics. Most pages are generic and may not include any graphonomics material.
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.
Microsoft Sans Serif is a sans-serif typeface introduced with early Microsoft Windows versions. It is the successor of MS Sans Serif, formerly Helv, a proportional bitmap font introduced in Windows 1.0. Both typefaces are very similar in design to Arial and Helvetica. The typeface was designed to match the MS Sans bitmap included in the early releases of Microsoft Windows.
In typography, the mean line is the imaginary line at the top of the x-height.
Legibility is the ease with which a reader can decode symbols. In addition to written language, it can also refer to behaviour or architecture, for example. From the perspective of communication research, it can be described as a measure of the permeability of a communication channel. A large number of known factors can affect legibility.
A subscript or superscript is a character that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, while superscripts are above. Subscripts and superscripts are perhaps most often used in formulas, mathematical expressions, and specifications of chemical compounds and isotopes, but have many other uses as well.
GNU Unifont is a free Unicode bitmap font 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.
In typography, cap height is the height of a capital letter above the baseline for a particular typeface. It specifically is the height of capital letters that are flat—such as H or I—as opposed to round letters such as O, or pointed letters like A, both of which may display overshoot. The height of the small letters is the x-height.
In typeface design, the overshoot of a round or pointed letter is the degree to which it extends higher or lower than a comparably sized "flat" letter, to achieve an optical effect of being the same size; it compensates for inaccuracies in human visual perception.
Toronto Subway is a geometric sans-serif typeface designed for the original section of the Toronto Transit Commission's Yonge subway. It is today used at station entrances, fare booths and track level signage throughout the system.
Typeface anatomy describes the graphic elements that make up letters in a typeface.
Typefaces are born from the struggle between rules and results. Squeezing a square about 1% helps it look more like a square; to appear the same height as a square, a circle must be measurably taller. The two strokes in an X aren't the same thickness, nor are their parallel edges actually parallel; the vertical stems of a lowercase alphabet are thinner than those of its capitals; the ascender on a d isn't the same length as the descender on a p, and so on. For the rational mind, type design can be a maddening game of drawing things differently in order to make them appear the same.