添加项目文件。

Epost.TestToolsWeb/Content/code/es-modules/parts-gantt/ArrowSymbols.js

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+/* *
+ * (c) 2017 Highsoft AS
+ * Authors: Lars A. V. Cabrera
+ *
+ * License: www.highcharts.com/license
+ */
+
+'use strict';
+
+import H from '../parts/Globals.js';
+
+/**
+ * Creates an arrow symbol. Like a triangle, except not filled.
+ * ```
+ *                   o
+ *             o
+ *       o
+ * o
+ *       o
+ *             o
+ *                   o
+ * ```
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the arrow
+ *
+ * @param {number} y
+ *        y position of the arrow
+ *
+ * @param {number} w
+ *        width of the arrow
+ *
+ * @param {number} h
+ *        height of the arrow
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols.arrow = function (x, y, w, h) {
+    return [
+        'M', x, y + h / 2,
+        'L', x + w, y,
+        'L', x, y + h / 2,
+        'L', x + w, y + h
+    ];
+};
+
+/**
+ * Creates a half-width arrow symbol. Like a triangle, except not filled.
+ * ```
+ *       o
+ *    o
+ * o
+ *    o
+ *       o
+ * ```
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the arrow
+ *
+ * @param {number} y
+ *        y position of the arrow
+ *
+ * @param {number} w
+ *        width of the arrow
+ *
+ * @param {number} h
+ *        height of the arrow
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols['arrow-half'] = function (x, y, w, h) {
+    return H.SVGRenderer.prototype.symbols.arrow(x, y, w / 2, h);
+};
+
+/**
+ * Creates a left-oriented triangle.
+ * ```
+ *             o
+ *       ooooooo
+ * ooooooooooooo
+ *       ooooooo
+ *             o
+ * ```
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the triangle
+ *
+ * @param {number} y
+ *        y position of the triangle
+ *
+ * @param {number} w
+ *        width of the triangle
+ *
+ * @param {number} h
+ *        height of the triangle
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols['triangle-left'] = function (x, y, w, h) {
+    return [
+        'M', x + w, y,
+        'L', x, y + h / 2,
+        'L', x + w, y + h,
+        'Z'
+    ];
+};
+
+/**
+ * Alias function for triangle-left.
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the arrow
+ *
+ * @param {number} y
+ *        y position of the arrow
+ *
+ * @param {number} w
+ *        width of the arrow
+ *
+ * @param {number} h
+ *        height of the arrow
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols['arrow-filled'] =
+        H.SVGRenderer.prototype.symbols['triangle-left'];
+
+/**
+ * Creates a half-width, left-oriented triangle.
+ * ```
+ *       o
+ *    oooo
+ * ooooooo
+ *    oooo
+ *       o
+ * ```
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the triangle
+ *
+ * @param {number} y
+ *        y position of the triangle
+ *
+ * @param {number} w
+ *        width of the triangle
+ *
+ * @param {number} h
+ *        height of the triangle
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols['triangle-left-half'] = function (x, y, w, h) {
+    return H.SVGRenderer.prototype.symbols['triangle-left'](x, y, w / 2, h);
+};
+
+/**
+ * Alias function for triangle-left-half.
+ *
+ * @private
+ * @function
+ *
+ * @param {number} x
+ *        x position of the arrow
+ *
+ * @param {number} y
+ *        y position of the arrow
+ *
+ * @param {number} w
+ *        width of the arrow
+ *
+ * @param {number} h
+ *        height of the arrow
+ *
+ * @return {Highcharts.SVGPathArray}
+ *         Path array
+ */
+H.SVGRenderer.prototype.symbols['arrow-filled-half'] =
+        H.SVGRenderer.prototype.symbols['triangle-left-half'];