/************************************************************* * * Copyright (c) 2018-2025 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. */ /** * @file Implements the SvgMroot wrapper for the MmlMroot object * * @author dpvc@mathjax.org (Davide Cervone) */ import { SVG } from '../../svg.js'; import { SvgWrapper, SvgWrapperClass } from '../Wrapper.js'; import { SvgWrapperFactory } from '../WrapperFactory.js'; import { SvgCharOptions, SvgVariantData, SvgDelimiterData, SvgFontData, SvgFontDataClass, } from '../FontData.js'; import { CommonMroot, CommonMrootClass, CommonMrootMixin, } from '../../common/Wrappers/mroot.js'; import { MmlNode } from '../../../core/MmlTree/MmlNode.js'; import { MmlMroot } from '../../../core/MmlTree/MmlNodes/mroot.js'; import { SvgMsqrt, SvgMsqrtClass, SvgMsqrtNTD } from './msqrt.js'; import { BBox } from '../../../util/BBox.js'; /*****************************************************************/ /** * The SvgMroot interface for the SVG Mroot wrapper * * @template N The HTMLElement node class * @template T The Text node class * @template D The Document class */ export interface SvgMrootNTD extends SvgMsqrtNTD, CommonMroot< N, T, D, SVG, SvgWrapper, SvgWrapperFactory, SvgWrapperClass, SvgCharOptions, SvgVariantData, SvgDelimiterData, SvgFontData, SvgFontDataClass > {} /** * The SvgMrootClass interface for the SVG Mroot wrapper * * @template N The HTMLElement node class * @template T The Text node class * @template D The Document class */ export interface SvgMrootClass extends SvgMsqrtClass, CommonMrootClass< N, T, D, SVG, SvgWrapper, SvgWrapperFactory, SvgWrapperClass, SvgCharOptions, SvgVariantData, SvgDelimiterData, SvgFontData, SvgFontDataClass > { new ( factory: SvgWrapperFactory, node: MmlNode, parent?: SvgWrapper ): SvgMrootNTD; } /*****************************************************************/ /** * The SvgMroot wrapper class for the MmlMroot class */ export const SvgMroot = (function (): SvgMrootClass { const Base = CommonMrootMixin< N, T, D, SVG, SvgWrapper, SvgWrapperFactory, SvgWrapperClass, SvgCharOptions, SvgVariantData, SvgDelimiterData, SvgFontData, SvgFontDataClass, SvgMrootClass >(SvgMsqrt); // @ts-expect-error Avoid message about base constructors not having the same // type (they should both be SvgWrapper, but are thought of as // different by typescript) return class SvgMroot extends Base implements SvgMrootNTD { /** * @override */ public static kind = MmlMroot.prototype.kind; /** * @override */ protected addRoot( ROOT: N[], root: SvgWrapper, sbox: BBox, H: number ) { root.toSVG(ROOT); const [x, h, dx] = this.getRootDimens(sbox, H); const bbox = root.getOuterBBox(); root.place(dx * bbox.rscale, h); return x; } }; })();