site/node_modules/mathjax-full/ts/output/svg/Wrappers/scriptbase.ts

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/*************************************************************
*
* Copyright (c) 2018-2022 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 a base class for SVGmsubsup, SVGmunderover
* and their relatives. (Since munderover can become msubsup
* when movablelimits is set, munderover needs to be able to
* do the same thing as msubsup in some cases.)
*
* @author dpvc@mathjax.org (Davide Cervone)
*/
import {SVGWrapper, SVGConstructor} from '../Wrapper.js';
import {CommonScriptbaseMixin} from '../../common/Wrappers/scriptbase.js';
/*****************************************************************/
/**
* A base class for msup/msub/msubsup and munder/mover/munderover
* wrapper implementations
*
* @template N The HTMLElement node class
* @template T The Text node class
* @template D The Document class
*/
// @ts-ignore
export class SVGscriptbase<N, T, D> extends
CommonScriptbaseMixin<SVGWrapper<any, any, any>, SVGConstructor<any, any, any>>(SVGWrapper) {
/**
* The scriptbase wrapper
*/
public static kind = 'scriptbase';
/**
* This gives the common output for msub and msup. It is overridden
* for all the others (msubsup, munder, mover, munderover).
*
* @override
*/
public toSVG(parent: N) {
const svg = this.standardSVGnode(parent);
const w = this.getBaseWidth();
const [x, v] = this.getOffset();
this.baseChild.toSVG(svg);
this.scriptChild.toSVG(svg);
this.scriptChild.place(w + x, v);
}
}