68 lines
2 KiB
TypeScript
68 lines
2 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 CHTMLmspace wrapper for the MmlMspace object
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*
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* @author dpvc@mathjax.org (Davide Cervone)
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*/
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import {CHTMLWrapper, CHTMLConstructor} from '../Wrapper.js';
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import {CommonMspaceMixin} from '../../common/Wrappers/mspace.js';
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import {MmlMspace} from '../../../core/MmlTree/MmlNodes/mspace.js';
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/*****************************************************************/
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/**
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* The CHTMLmspace wrapper for the MmlMspace object
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*
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* @template N The HTMLElement node class
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* @template T The Text node class
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* @template D The Document class
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*/
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// @ts-ignore
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export class CHTMLmspace<N, T, D> extends
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CommonMspaceMixin<CHTMLConstructor<any, any, any>>(CHTMLWrapper) {
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/**
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* The mspace wrapper
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*/
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public static kind = MmlMspace.prototype.kind;
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/**
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* @override
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*/
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public toCHTML(parent: N) {
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let chtml = this.standardCHTMLnode(parent);
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let {w, h, d} = this.getBBox();
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if (w < 0) {
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this.adaptor.setStyle(chtml, 'marginRight', this.em(w));
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w = 0;
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}
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if (w) {
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this.adaptor.setStyle(chtml, 'width', this.em(w));
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}
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h = Math.max(0, h + d);
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if (h) {
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this.adaptor.setStyle(chtml, 'height', this.em(Math.max(0, h)));
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}
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if (d) {
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this.adaptor.setStyle(chtml, 'verticalAlign', this.em(-d));
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}
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}
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}
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