Diferencia entre revisiones de «METAFONT»

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'''METAFONT''' es un [[lenguaje de programación]] usado para definir [[fuente vectorial|fuentes vectoriales]]. Es también el nombre de un [[intérprete (software)|intérprete]] que ejecuta código METAFONT, convirtiendo las fuentes vectoriales en fuentes de mapas de bitsque pueden ser incluídas en documentos [[PostScript]].
 
[[Donald Knuth]] startedempezó worka ontrabajar font creationen software inde creación de tipografías en [[1977]], andy producedprodujo thela firstprimera versionversión ofde METAFONT inen [[1979]]. Due to shortcomings in the original METAFONT language, Knuth developed an entirely new METAFONT system in [[1984]], and it is this revised system that is used today; METAFONT has a versioning system similar to that of [[TeX]], where the number asymptotically approaches ''[[e (mathematical constant)|e]]'' with each revision. This programming language was devised by Donald Knuth as counterpart to his TeX typesetting system. One of the characteristics of METAFONT is that all of the shapes of the [[glyph]]s are defined with powerful geometrical equations, e.g., you can define a given point to be the intersection of a line segment and a [[Bézier curve|Bézier cubic]].
 
Unlike more common outline font formats (such as [[TrueType]] or [[PostScript#Font handling|PostScript Type 1]]), a METAFONT font is primarily made up of strokes with finite-width "pens", along with filled regions. Thus, rather than describing the outline of the glyph directly, a METAFONT file describes the pen paths. Some simpler METAFONT fonts, such as the calligraphic mathematics fonts in the [[Computer Modern]] family, use a single pen stroke with a relatively large pen to define each visual "stroke" of the glyphs. More complex fonts such as the [[Roman type|Roman]] text fonts in the Computer Modern family use a small pen to trace around the outline of the visual "strokes", which are then filled; the result is much like an outline font, but with slightly softened corners defined by the pen shape.