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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);
+      }
+    }
+  }
+
+}