Is there, directly or by inheritance, a font specified for this character?.Mapping from characters to abstract glyphs.Ī visual user agent must address the following issues before actually A font is a set of glyphs,Īll observing the same basic motif according to design, size,Īppearance, and other attributes associated with the entire set, and a Style, in the form of outlines or bitmaps that A glyph is the actualĪrtistic representation of an abstract glyph, in some typographic More characters may be depicted by one or more abstract glyphs, inĪ possibly context-dependent fashion. Information elements) must be mapped to abstract glyphs. When a document's text is to be displayed visually, characters (abstract Implementation and performance notes for fonts 15.5.1 Mapping font weight values to font names.15.4.3 Coordinate units on the em square.15.4.1 Introducing Font Characteristics.15.3.8 Descriptors for Alignment: 'baseline', 'centerline', 'mathline', and 'topline'.15.3.7 Descriptors for Synthesis: 'widths', 'bbox' and 'definition-src'.15.3.6 Descriptors for Matching: 'panose-1', 'stemv', 'stemh', 'slope', 'cap-height', 'x-height', 'ascent', and 'descent'.15.3.5 Descriptor for Referencing: 'src'.15.3.4 Descriptor for Numeric Values: 'units-per-em'.15.3.3 Descriptors for Font Data Qualification: 'unicode-range'.15.3.1 Font Descriptions and 15.3.2 Descriptors for Selecting a Font: 'font-family', 'font-style', 'font-variant', 'font-weight', 'font-stretch' and 'font-size'.15.2.5 Shorthand font property: the 'font' property.15.2.4 Font size: the 'font-size' and 'font-size-adjust' properties.15.2.3 Font styling: the 'font-style', 'font-variant', 'font-weight' and 'font-stretch' properties.15.2.2 Font family: the 'font-family' property.12 Generated content, automatic numbering, and lists.6 Assigning property values, Cascading, and Inheritance.3 Conformance: Requirements and Recommendations.
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