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node_modules/mathjax-full/ts/output/svg/Wrappers/mpadded.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 SVGmpadded wrapper for the MmlMpadded object
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {SVGWrapper, SVGConstructor} from '../Wrapper.js';
+import {CommonMpaddedMixin} from '../../common/Wrappers/mpadded.js';
+import {MmlMpadded} from '../../../core/MmlTree/MmlNodes/mpadded.js';
+
+/*****************************************************************/
+/**
+ * The SVGmpadded wrapper for the MmlMpadded object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class SVGmpadded<N, T, D> extends
+CommonMpaddedMixin<SVGConstructor<any, any, any>>(SVGWrapper) {
+
+  /**
+   * The mpadded wrapper
+   */
+  public static kind = MmlMpadded.prototype.kind;
+
+  /**
+   * @override
+   */
+  public toSVG(parent: N) {
+    let svg = this.standardSVGnode(parent);
+    const [ , , , , , dw, x, y, dx] = this.getDimens();
+    const align = (this.node.attributes.get('data-align') as string) || 'left';
+    const X = x + dx - (dw < 0 && align !== 'left' ? align === 'center' ? dw / 2 : dw : 0);
+    //
+    // If there is a horizontal or vertical shift,
+    //   use relative positioning to move the contents
+    //
+    if (X || y) {
+      svg = this.adaptor.append(svg, this.svg('g'));
+      this.place(X, y, svg);
+    }
+    this.addChildren(svg);
+  }
+
+}