Icard/angular-clarity-master(work.../node_modules/highcharts/es-modules/Maps/MapUtilities.js

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2024-07-16 14:55:36 +00:00
/* *
*
* (c) 2010-2024 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
// Compute bounds from a path element
const boundsFromPath = function (path) {
let x2 = -Number.MAX_VALUE, x1 = Number.MAX_VALUE, y2 = -Number.MAX_VALUE, y1 = Number.MAX_VALUE, validBounds;
path.forEach((seg) => {
const x = seg[seg.length - 2], y = seg[seg.length - 1];
if (typeof x === 'number' &&
typeof y === 'number') {
x1 = Math.min(x1, x);
x2 = Math.max(x2, x);
y1 = Math.min(y1, y);
y2 = Math.max(y2, y);
validBounds = true;
}
});
if (validBounds) {
return { x1, y1, x2, y2 };
}
};
/**
* Test for point in polygon. Polygon defined as array of [x,y] points.
* @private
*/
const pointInPolygon = function ({ x, y }, polygon) {
let i, j, rel1, rel2, c = false;
for (i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
rel1 = polygon[i][1] > y;
rel2 = polygon[j][1] > y;
if (rel1 !== rel2 &&
(x < (polygon[j][0] - polygon[i][0]) * (y - polygon[i][1]) /
(polygon[j][1] - polygon[i][1]) +
polygon[i][0])) {
c = !c;
}
}
return c;
};
/* *
*
* Default Export
*
* */
const MapUtilities = {
boundsFromPath,
pointInPolygon
};
export default MapUtilities;