DataV Utils 文件

"use strict"; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); Object.defineProperty(exports, "__esModule", { value: true }); exports.deepClone = deepClone; exports.eliminateBlur = eliminateBlur; exports.checkPointIsInCircle = checkPointIsInCircle; exports.getTwoPointDistance = getTwoPointDistance; exports.checkPointIsInPolygon = checkPointIsInPolygon; exports.checkPointIsInSector = checkPointIsInSector; exports.checkPointIsNearPolyline = checkPointIsNearPolyline; exports.checkPointIsInRect = checkPointIsInRect; exports.getRotatePointPos = getRotatePointPos; exports.getScalePointPos = getScalePointPos; exports.getTranslatePointPos = getTranslatePointPos; exports.getDistanceBetweenPointAndLine = getDistanceBetweenPointAndLine; exports.getCircleRadianPoint = getCircleRadianPoint; exports.getRegularPolygonPoints = getRegularPolygonPoints; exports["default"] = void 0; var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray")); var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray")); var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof")); var abs = Math.abs, sqrt = Math.sqrt, sin = Math.sin, cos = Math.cos, max = Math.max, min = Math.min, PI = Math.PI; /** * @description Clone an object or array * @param {Object|Array} object Cloned object * @param {Boolean} recursion Whether to use recursive cloning * @return {Object|Array} Clone object */ function deepClone(object) { var recursion = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; if (!object) return object; var parse = JSON.parse, stringify = JSON.stringify; if (!recursion) return parse(stringify(object)); var clonedObj = object instanceof Array ? [] : {}; if (object && (0, _typeof2["default"])(object) === 'object') { for (var key in object) { if (object.hasOwnProperty(key)) { if (object[key] && (0, _typeof2["default"])(object[key]) === 'object') { clonedObj[key] = deepClone(object[key], true); } else { clonedObj[key] = object[key]; } } } } return clonedObj; } /** * @description Eliminate line blur due to 1px line width * @param {Array} points Line points * @return {Array} Line points after processed */ function eliminateBlur(points) { return points.map(function (_ref) { var _ref2 = (0, _slicedToArray2["default"])(_ref, 2), x = _ref2[0], y = _ref2[1]; return [parseInt(x) + 0.5, parseInt(y) + 0.5]; }); } /** * @description Check if the point is inside the circle * @param {Array} point Postion of point * @param {Number} rx Circle x coordinate * @param {Number} ry Circle y coordinate * @param {Number} r Circle radius * @return {Boolean} Result of check */ function checkPointIsInCircle(point, rx, ry, r) { return getTwoPointDistance(point, [rx, ry]) <= r; } /** * @description Get the distance between two points * @param {Array} point1 point1 * @param {Array} point2 point2 * @return {Number} Distance between two points */ function getTwoPointDistance(_ref3, _ref4) { var _ref5 = (0, _slicedToArray2["default"])(_ref3, 2), xa = _ref5[0], ya = _ref5[1]; var _ref6 = (0, _slicedToArray2["default"])(_ref4, 2), xb = _ref6[0], yb = _ref6[1]; var minusX = abs(xa - xb); var minusY = abs(ya - yb); return sqrt(minusX * minusX + minusY * minusY); } /** * @description Check if the point is inside the polygon * @param {Array} point Postion of point * @param {Array} points The points that makes up a polyline * @return {Boolean} Result of check */ function checkPointIsInPolygon(point, polygon) { var counter = 0; var _point = (0, _slicedToArray2["default"])(point, 2), x = _point[0], y = _point[1]; var pointNum = polygon.length; for (var i = 1, p1 = polygon[0]; i <= pointNum; i++) { var p2 = polygon[i % pointNum]; if (x > min(p1[0], p2[0]) && x <= max(p1[0], p2[0])) { if (y <= max(p1[1], p2[1])) { if (p1[0] !== p2[0]) { var xinters = (x - p1[0]) * (p2[1] - p1[1]) / (p2[0] - p1[0]) + p1[1]; if (p1[1] === p2[1] || y <= xinters) { counter++; } } } } p1 = p2; } return counter % 2 === 1; } /** * @description Check if the point is inside the sector * @param {Array} point Postion of point * @param {Number} rx Sector x coordinate * @param {Number} ry Sector y coordinate * @param {Number} r Sector radius * @param {Number} startAngle Sector start angle * @param {Number} endAngle Sector end angle * @param {Boolean} clockWise Whether the sector angle is clockwise * @return {Boolean} Result of check */ function checkPointIsInSector(point, rx, ry, r, startAngle, endAngle, clockWise) { if (!point) return false; if (getTwoPointDistance(point, [rx, ry]) > r) return false; if (!clockWise) { var _deepClone = deepClone([endAngle, startAngle]); var _deepClone2 = (0, _slicedToArray2["default"])(_deepClone, 2); startAngle = _deepClone2[0]; endAngle = _deepClone2[1]; } var reverseBE = startAngle > endAngle; if (reverseBE) { var _ref7 = [endAngle, startAngle]; startAngle = _ref7[0]; endAngle = _ref7[1]; } var minus = endAngle - startAngle; if (minus >= PI * 2) return true; var _point2 = (0, _slicedToArray2["default"])(point, 2), x = _point2[0], y = _point2[1]; var _getCircleRadianPoint = getCircleRadianPoint(rx, ry, r, startAngle), _getCircleRadianPoint2 = (0, _slicedToArray2["default"])(_getCircleRadianPoint, 2), bx = _getCircleRadianPoint2[0], by = _getCircleRadianPoint2[1]; var _getCircleRadianPoint3 = getCircleRadianPoint(rx, ry, r, endAngle), _getCircleRadianPoint4 = (0, _slicedToArray2["default"])(_getCircleRadianPoint3, 2), ex = _getCircleRadianPoint4[0], ey = _getCircleRadianPoint4[1]; var vPoint = [x - rx, y - ry]; var vBArm = [bx - rx, by - ry]; var vEArm = [ex - rx, ey - ry]; var reverse = minus > PI; if (reverse) { var _deepClone3 = deepClone([vEArm, vBArm]); var _deepClone4 = (0, _slicedToArray2["default"])(_deepClone3, 2); vBArm = _deepClone4[0]; vEArm = _deepClone4[1]; } var inSector = isClockWise(vBArm, vPoint) && !isClockWise(vEArm, vPoint); if (reverse) inSector = !inSector; if (reverseBE) inSector = !inSector; return inSector; } /** * @description Determine if the point is in the clockwise direction of the vector * @param {Array} vArm Vector * @param {Array} vPoint Point * @return {Boolean} Result of check */ function isClockWise(vArm, vPoint) { var _vArm = (0, _slicedToArray2["default"])(vArm, 2), ax = _vArm[0], ay = _vArm[1]; var _vPoint = (0, _slicedToArray2["default"])(vPoint, 2), px = _vPoint[0], py = _vPoint[1]; return -ay * px + ax * py > 0; } /** * @description Check if the point is inside the polyline * @param {Array} point Postion of point * @param {Array} polyline The points that makes up a polyline * @param {Number} lineWidth Polyline linewidth * @return {Boolean} Result of check */ function checkPointIsNearPolyline(point, polyline, lineWidth) { var halfLineWidth = lineWidth / 2; var moveUpPolyline = polyline.map(function (_ref8) { var _ref9 = (0, _slicedToArray2["default"])(_ref8, 2), x = _ref9[0], y = _ref9[1]; return [x, y - halfLineWidth]; }); var moveDownPolyline = polyline.map(function (_ref10) { var _ref11 = (0, _slicedToArray2["default"])(_ref10, 2), x = _ref