102 lines
3 KiB
TypeScript
102 lines
3 KiB
TypeScript
/*************************************************************
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*
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* Copyright (c) 2017-2022 The MathJax Consortium
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview The MathJax TeXFont object
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*
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* @author dpvc@mathjax.org (Davide Cervone)
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*/
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import {FontDataClass, CharOptions, VariantData, DelimiterData, CssFontMap} from '../FontData.js';
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/*****************************************************************/
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/**
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* The CommonTeXFont mixin for the CommonTeXFont object
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*
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* @template C The CharOptions class for this font
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* @template V The VariantData class for this font
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* @template B The FontData class to extend
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*/
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export function CommonTeXFontMixin<
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C extends CharOptions,
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V extends VariantData<C>,
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D extends DelimiterData,
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B extends FontDataClass<C, V, D>
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>(Base: B): FontDataClass<C, V, D> & B {
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return class extends Base {
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/**
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* @override
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*/
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public static NAME = 'TeX';
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/**
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* Add the extra variants for the TeX fonts
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*/
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protected static defaultVariants = [
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...Base.defaultVariants,
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['-smallop', 'normal'],
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['-largeop', 'normal'],
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['-size3', 'normal'],
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['-size4', 'normal'],
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['-tex-calligraphic', 'italic'],
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['-tex-bold-calligraphic', 'bold-italic'],
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['-tex-oldstyle', 'normal'],
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['-tex-bold-oldstyle', 'bold'],
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['-tex-mathit', 'italic'],
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['-tex-variant', 'normal']
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];
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/**
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* The data used for CSS for undefined characters for each variant
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*/
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protected static defaultCssFonts: CssFontMap = {
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...Base.defaultCssFonts,
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'-smallop': ['serif', false, false],
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'-largeop': ['serif', false, false],
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'-size3': ['serif', false, false],
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'-size4': ['serif', false, false],
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'-tex-calligraphic': ['cursive', true, false],
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'-tex-bold-calligraphic': ['cursive', true, true],
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'-tex-oldstyle': ['serif', false, false],
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'-tex-bold-oldstyle': ['serif', false, true],
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'-tex-mathit': ['serif', true, false]
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};
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/**
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* The default variants for the standard stretchy sizes
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*/
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protected static defaultSizeVariants = ['normal', '-smallop', '-largeop', '-size3', '-size4', '-tex-variant'];
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/**
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* The default variants for the standard stretchy assmebly parts
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*/
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protected static defaultStretchVariants = ['-size4'];
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/**
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* @override
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*/
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protected getDelimiterData(n: number) {
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return this.getChar('-smallop', n) || this.getChar('-size4', n);
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}
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};
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}
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