site/node_modules/mathjax-full/ts/output/chtml/Wrappers/mspace.ts
2024-10-14 08:09:33 +02:00

68 lines
2 KiB
TypeScript

/*************************************************************
*
* Copyright (c) 2017-2022 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Implements the CHTMLmspace wrapper for the MmlMspace object
*
* @author dpvc@mathjax.org (Davide Cervone)
*/
import {CHTMLWrapper, CHTMLConstructor} from '../Wrapper.js';
import {CommonMspaceMixin} from '../../common/Wrappers/mspace.js';
import {MmlMspace} from '../../../core/MmlTree/MmlNodes/mspace.js';
/*****************************************************************/
/**
* The CHTMLmspace wrapper for the MmlMspace object
*
* @template N The HTMLElement node class
* @template T The Text node class
* @template D The Document class
*/
// @ts-ignore
export class CHTMLmspace<N, T, D> extends
CommonMspaceMixin<CHTMLConstructor<any, any, any>>(CHTMLWrapper) {
/**
* The mspace wrapper
*/
public static kind = MmlMspace.prototype.kind;
/**
* @override
*/
public toCHTML(parent: N) {
let chtml = this.standardCHTMLnode(parent);
let {w, h, d} = this.getBBox();
if (w < 0) {
this.adaptor.setStyle(chtml, 'marginRight', this.em(w));
w = 0;
}
if (w) {
this.adaptor.setStyle(chtml, 'width', this.em(w));
}
h = Math.max(0, h + d);
if (h) {
this.adaptor.setStyle(chtml, 'height', this.em(Math.max(0, h)));
}
if (d) {
this.adaptor.setStyle(chtml, 'verticalAlign', this.em(-d));
}
}
}