chore: version inicial del codigo fuente del LMS Estafeta

2026-10-02 20:33:12 -06:00
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+/* *
+ *
+ *  (c) 2009-2020 Øystein Moseng
+ *
+ *  Utility functions for sonification.
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+import musicalFrequencies from './musicalFrequencies.js';
+import U from '../../Core/Utilities.js';
+var clamp = U.clamp;
+/* eslint-disable no-invalid-this, valid-jsdoc */
+/**
+ * The SignalHandler class. Stores signal callbacks (event handlers), and
+ * provides an interface to register them, and emit signals. The word "event" is
+ * not used to avoid confusion with TimelineEvents.
+ *
+ * @requires module:modules/sonification
+ *
+ * @private
+ * @class
+ * @name Highcharts.SignalHandler
+ *
+ * @param {Array<string>} supportedSignals
+ *        List of supported signal names.
+ */
+function SignalHandler(supportedSignals) {
+    this.init(supportedSignals || []);
+}
+SignalHandler.prototype.init = function (supportedSignals) {
+    this.supportedSignals = supportedSignals;
+    this.signals = {};
+};
+/**
+ * Register a set of signal callbacks with this SignalHandler.
+ * Multiple signal callbacks can be registered for the same signal.
+ * @private
+ * @param {Highcharts.Dictionary<(Function|undefined)>} signals
+ * An object that contains a mapping from the signal name to the callbacks. Only
+ * supported events are considered.
+ * @return {void}
+ */
+SignalHandler.prototype.registerSignalCallbacks = function (signals) {
+    var signalHandler = this;
+    signalHandler.supportedSignals.forEach(function (supportedSignal) {
+        var signal = signals[supportedSignal];
+        if (signal) {
+            (signalHandler.signals[supportedSignal] =
+                signalHandler.signals[supportedSignal] || []).push(signal);
+        }
+    });
+};
+/**
+ * Clear signal callbacks, optionally by name.
+ * @private
+ * @param {Array<string>} [signalNames] - A list of signal names to clear. If
+ * not supplied, all signal callbacks are removed.
+ * @return {void}
+ */
+SignalHandler.prototype.clearSignalCallbacks = function (signalNames) {
+    var signalHandler = this;
+    if (signalNames) {
+        signalNames.forEach(function (signalName) {
+            if (signalHandler.signals[signalName]) {
+                delete signalHandler.signals[signalName];
+            }
+        });
+    }
+    else {
+        signalHandler.signals = {};
+    }
+};
+/**
+ * Emit a signal. Does nothing if the signal does not exist, or has no
+ * registered callbacks.
+ * @private
+ * @param {string} signalNames
+ * Name of signal to emit.
+ * @param {*} [data]
+ * Data to pass to the callback.
+ * @return {*}
+ */
+SignalHandler.prototype.emitSignal = function (signalName, data) {
+    var retval;
+    if (this.signals[signalName]) {
+        this.signals[signalName].forEach(function (handler) {
+            var result = handler(data);
+            retval = typeof result !== 'undefined' ? result : retval;
+        });
+    }
+    return retval;
+};
+var utilities = {
+    // List of musical frequencies from C0 to C8
+    musicalFrequencies: musicalFrequencies,
+    // SignalHandler class
+    SignalHandler: SignalHandler,
+    /**
+     * Get a musical scale by specifying the semitones from 1-12 to include.
+     *  1: C, 2: C#, 3: D, 4: D#, 5: E, 6: F,
+     *  7: F#, 8: G, 9: G#, 10: A, 11: Bb, 12: B
+     * @private
+     * @param {Array<number>} semitones
+     * Array of semitones from 1-12 to include in the scale. Duplicate entries
+     * are ignored.
+     * @return {Array<number>}
+     * Array of frequencies from C0 to C8 that are included in this scale.
+     */
+    getMusicalScale: function (semitones) {
+        return musicalFrequencies.filter(function (freq, i) {
+            var interval = i % 12 + 1;
+            return semitones.some(function (allowedInterval) {
+                return allowedInterval === interval;
+            });
+        });
+    },
+    /**
+     * Calculate the extreme values in a chart for a data prop.
+     * @private
+     * @param {Highcharts.Chart} chart - The chart
+     * @param {string} prop - The data prop to find extremes for
+     * @return {Highcharts.RangeObject} Object with min and max properties
+     */
+    calculateDataExtremes: function (chart, prop) {
+        return chart.series.reduce(function (extremes, series) {
+            // We use cropped points rather than series.data here, to allow
+            // users to zoom in for better fidelity.
+            series.points.forEach(function (point) {
+                var val = typeof point[prop] !== 'undefined' ?
+                    point[prop] : point.options[prop];
+                extremes.min = Math.min(extremes.min, val);
+                extremes.max = Math.max(extremes.max, val);
+            });
+            return extremes;
+        }, {
+            min: Infinity,
+            max: -Infinity
+        });
+    },
+    /**
+     * Translate a value on a virtual axis. Creates a new, virtual, axis with a
+     * min and max, and maps the relative value onto this axis.
+     * @private
+     * @param {number} value
+     * The relative data value to translate.
+     * @param {Highcharts.RangeObject} DataExtremesObject
+     * The possible extremes for this value.
+     * @param {object} limits
+     * Limits for the virtual axis.
+     * @param {boolean} [invert]
+     * Invert the virtual axis.
+     * @return {number}
+     * The value mapped to the virtual axis.
+     */
+    virtualAxisTranslate: function (value, dataExtremes, limits, invert) {
+        var lenValueAxis = dataExtremes.max - dataExtremes.min, lenVirtualAxis = Math.abs(limits.max - limits.min), valueDelta = invert ?
+            dataExtremes.max - value :
+            value - dataExtremes.min, virtualValueDelta = lenVirtualAxis * valueDelta / lenValueAxis, virtualAxisValue = limits.min + virtualValueDelta;
+        return lenValueAxis > 0 ?
+            clamp(virtualAxisValue, limits.min, limits.max) :
+            limits.min;
+    }
+};
+export default utilities;