63 lines
1.8 KiB
TypeScript
63 lines
1.8 KiB
TypeScript
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/*************************************************************
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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 Implements the CommonSemantics wrapper mixin for the MmlSemantics object
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*
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* @author dpvc@mathjax.org (Davide Cervone)
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*/
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import {AnyWrapper, WrapperConstructor, Constructor} from '../Wrapper.js';
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import {BBox} from '../../../util/BBox.js';
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/*****************************************************************/
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/**
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* The CommonSemantics interface
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*/
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export interface CommonSemantics extends AnyWrapper {
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}
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/**
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* Shorthand for the CommonSemantics constructor
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*/
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export type SemanticsConstructor = Constructor<CommonSemantics>;
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/*****************************************************************/
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/**
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* The CommonSemantics wrapper mixin for the MmlSemantics object
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*
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* @template T The Wrapper class constructor type
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*/
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export function CommonSemanticsMixin<T extends WrapperConstructor>(Base: T): SemanticsConstructor & T {
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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 computeBBox(bbox: BBox, _recompute: boolean = false) {
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if (this.childNodes.length) {
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const {w, h, d} = this.childNodes[0].getBBox();
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bbox.w = w;
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bbox.h = h;
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bbox.d = d;
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}
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}
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};
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}
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