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

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/*************************************************************
*
* 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 SVGTextNode wrapper for the TextNode object
*
* @author dpvc@mathjax.org (Davide Cervone)
*/
import {TextNode} from '../../../core/MmlTree/MmlNode.js';
import {SVGWrapper, SVGConstructor} from '../Wrapper.js';
import {CommonTextNodeMixin} from '../../common/Wrappers/TextNode.js';
import {StyleList} from '../../../util/StyleList.js';
/*****************************************************************/
/**
* The SVGTextNode wrapper for the TextNode object
*
* @template N The HTMLElement node class
* @template T The Text node class
* @template D The Document class
*/
// @ts-ignore
export class SVGTextNode<N, T, D> extends
CommonTextNodeMixin<SVGConstructor<any, any, any>>(SVGWrapper) {
/**
* The TextNode wrapper
*/
public static kind = TextNode.prototype.kind;
/**
* @override
*/
public static styles: StyleList = {
'mjx-container[jax="SVG"] path[data-c], mjx-container[jax="SVG"] use[data-c]': {
'stroke-width': 3
}
};
/**
* @override
*/
public toSVG(parent: N) {
const text = (this.node as TextNode).getText();
const variant = this.parent.variant;
if (text.length === 0) return;
if (variant === '-explicitFont') {
this.element = this.adaptor.append(parent, this.jax.unknownText(text, variant));
} else {
const chars = this.remappedText(text, variant);
if (this.parent.childNodes.length > 1) {
parent = this.element = this.adaptor.append(parent, this.svg('g', {'data-mml-node': 'text'}));
}
let x = 0;
for (const n of chars) {
x += this.placeChar(n, x, 0, parent, variant);
}
}
}
}