stuff

node_modules/mathjax-full/ts/output/svg/Wrappers/mtr.ts

@@ -0,0 +1,179 @@
+/*************************************************************
+ *
+ *  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 SVGmtr wrapper for the MmlMtr object
+ *                and SVGmlabeledtr for MmlMlabeledtr
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {SVGWrapper, SVGConstructor, Constructor} from '../Wrapper.js';
+import {CommonMtrMixin} from '../../common/Wrappers/mtr.js';
+import {CommonMlabeledtrMixin} from '../../common/Wrappers/mtr.js';
+import {SVGmtd} from './mtd.js';
+import {MmlMtr, MmlMlabeledtr} from '../../../core/MmlTree/MmlNodes/mtr.js';
+
+
+/**
+ * The data needed for placeCell()
+ */
+export type SizeData = {
+  x: number,
+  y: number,
+  w: number,
+  lSpace: number,
+  rSpace: number,
+  lLine: number,
+  rLine: number
+};
+
+/*****************************************************************/
+/**
+ * The SVGmtr wrapper for the MmlMtr object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+export class SVGmtr<N, T, D> extends
+CommonMtrMixin<SVGmtd<any, any, any>, SVGConstructor<any, any, any>>(SVGWrapper) {
+
+  /**
+   * The mtr wrapper
+   */
+  public static kind = MmlMtr.prototype.kind;
+
+  /**
+   * The height of the row
+   */
+  public H: number;
+  /**
+   * The depth of the row
+   */
+  public D: number;
+  /**
+   * The space above the row
+   */
+  public tSpace: number;
+  /**
+   * The space below the row
+   */
+  public bSpace: number;
+  /**
+   * The line space above the row
+   */
+  public tLine: number;
+  /**
+   * The line space below the row
+   */
+  public bLine: number;
+
+  /**
+   * @override
+   */
+  public toSVG(parent: N) {
+    const svg = this.standardSVGnode(parent);
+    this.placeCells(svg);
+    this.placeColor();
+  }
+
+  /**
+   * Set the location of the cell contents in the row and expand the cell background colors
+   *
+   * @param {N} svg   The container for the table
+   */
+  protected placeCells(svg: N) {
+    const cSpace = this.parent.getColumnHalfSpacing();
+    const cLines = [this.parent.fLine, ...this.parent.cLines, this.parent.fLine];
+    const cWidth = this.parent.getComputedWidths();
+    const scale = 1 / this.getBBox().rscale;
+    let x = cLines[0];
+    for (let i = 0; i < this.numCells; i++) {
+      const child = this.getChild(i);
+      child.toSVG(svg);
+      x += this.placeCell(child, {
+        x: x, y: 0, lSpace: cSpace[i] * scale, rSpace: cSpace[i + 1] * scale, w: cWidth[i] * scale,
+        lLine: cLines[i] * scale, rLine: cLines[i + 1] * scale
+      });
+    }
+  }
+
+  /**
+   * @param {SVGmtd} cell      The cell to place
+   * @param {SizeData} sizes   The positioning information
+   * @return {number}          The new x position
+   */
+  public placeCell(cell: SVGmtd<N, T, D>, sizes: SizeData): number {
+    const {x, y, lSpace, w, rSpace, lLine, rLine} = sizes;
+    const scale = 1 / this.getBBox().rscale;
+    const [h, d] = [this.H * scale, this.D * scale];
+    const [t, b] = [this.tSpace * scale, this.bSpace * scale];
+    const [dx, dy] = cell.placeCell(x + lSpace, y, w, h, d);
+    const W = lSpace + w + rSpace;
+    cell.placeColor(-(dx + lSpace + lLine / 2), -(d + b + dy), W + (lLine + rLine) / 2, h + d + t + b);
+    return W + rLine;
+  }
+
+  /**
+   * Expand the backgound color to fill the entire row
+   */
+  protected placeColor() {
+    const scale = 1 / this.getBBox().rscale;
+    const adaptor = this.adaptor;
+    const child = this.firstChild();
+    if (child && adaptor.kind(child) === 'rect' && adaptor.getAttribute(child, 'data-bgcolor')) {
+      const [TL, BL] = [(this.tLine / 2) * scale, (this.bLine / 2) * scale];
+      const [TS, BS] = [this.tSpace * scale, this.bSpace * scale];
+      const [H, D] = [this.H * scale, this.D * scale];
+      adaptor.setAttribute(child, 'y', this.fixed(-(D + BS + BL)));
+      adaptor.setAttribute(child, 'width', this.fixed(this.parent.getWidth() * scale));
+      adaptor.setAttribute(child, 'height', this.fixed(TL + TS + H + D + BS + BL));
+    }
+  }
+
+}
+
+/*****************************************************************/
+/**
+ * The SVGlabeledmtr wrapper for the MmlMlabeledtr object
+ *
+ * @template N  The HTMLElement node class
+ * @template T  The Text node class
+ * @template D  The Document class
+ */
+// @ts-ignore
+export class SVGmlabeledtr<N, T, D> extends
+CommonMlabeledtrMixin<SVGmtd<any, any, any>, Constructor<SVGmtr<any, any, any>>>(SVGmtr) {
+
+  /**
+   * The mlabeledtr wrapper
+   */
+  public static kind = MmlMlabeledtr.prototype.kind;
+
+  /**
+   * @override
+   */
+  public toSVG(parent: N) {
+    super.toSVG(parent);
+    const child = this.childNodes[0];
+    if (child) {
+      child.toSVG(this.parent.labels);
+    }
+  }
+
+}