/** * @license * Cesium - https://github.com/CesiumGS/cesium * Version 1.99 * * Copyright 2011-2022 Cesium Contributors * * 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. * * Columbus View (Pat. Pend.) * * Portions licensed separately. * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details. */ define(['exports', './Matrix2-f9f1b94b', './Matrix3-ea964448', './Check-40d84a28', './defaultValue-135942ca', './Transforms-ac2d28a9'], (function (exports, Matrix2, Matrix3, Check, defaultValue, Transforms) { 'use strict'; /** * A bounding rectangle given by a corner, width and height. * @alias BoundingRectangle * @constructor * * @param {Number} [x=0.0] The x coordinate of the rectangle. * @param {Number} [y=0.0] The y coordinate of the rectangle. * @param {Number} [width=0.0] The width of the rectangle. * @param {Number} [height=0.0] The height of the rectangle. * * @see BoundingSphere * @see Packable */ function BoundingRectangle(x, y, width, height) { /** * The x coordinate of the rectangle. * @type {Number} * @default 0.0 */ this.x = defaultValue.defaultValue(x, 0.0); /** * The y coordinate of the rectangle. * @type {Number} * @default 0.0 */ this.y = defaultValue.defaultValue(y, 0.0); /** * The width of the rectangle. * @type {Number} * @default 0.0 */ this.width = defaultValue.defaultValue(width, 0.0); /** * The height of the rectangle. * @type {Number} * @default 0.0 */ this.height = defaultValue.defaultValue(height, 0.0); } /** * The number of elements used to pack the object into an array. * @type {Number} */ BoundingRectangle.packedLength = 4; /** * Stores the provided instance into the provided array. * * @param {BoundingRectangle} value The value to pack. * @param {Number[]} array The array to pack into. * @param {Number} [startingIndex=0] The index into the array at which to start packing the elements. * * @returns {Number[]} The array that was packed into */ BoundingRectangle.pack = function (value, array, startingIndex) { //>>includeStart('debug', pragmas.debug); Check.Check.typeOf.object("value", value); Check.Check.defined("array", array); //>>includeEnd('debug'); startingIndex = defaultValue.defaultValue(startingIndex, 0); array[startingIndex++] = value.x; array[startingIndex++] = value.y; array[startingIndex++] = value.width; array[startingIndex] = value.height; return array; }; /** * Retrieves an instance from a packed array. * * @param {Number[]} array The packed array. * @param {Number} [startingIndex=0] The starting index of the element to be unpacked. * @param {BoundingRectangle} [result] The object into which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.unpack = function (array, startingIndex, result) { //>>includeStart('debug', pragmas.debug); Check.Check.defined("array", array); //>>includeEnd('debug'); startingIndex = defaultValue.defaultValue(startingIndex, 0); if (!defaultValue.defined(result)) { result = new BoundingRectangle(); } result.x = array[startingIndex++]; result.y = array[startingIndex++]; result.width = array[startingIndex++]; result.height = array[startingIndex]; return result; }; /** * Computes a bounding rectangle enclosing the list of 2D points. * The rectangle is oriented with the corner at the bottom left. * * @param {Cartesian2[]} positions List of points that the bounding rectangle will enclose. Each point must have x and y properties. * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.fromPoints = function (positions, result) { if (!defaultValue.defined(result)) { result = new BoundingRectangle(); } if (!defaultValue.defined(positions) || positions.length === 0) { result.x = 0; result.y = 0; result.width = 0; result.height = 0; return result; } const length = positions.length; let minimumX = positions[0].x; let minimumY = positions[0].y; let maximumX = positions[0].x; let maximumY = positions[0].y; for (let i = 1; i < length; i++) { const p = positions[i]; const x = p.x; const y = p.y; minimumX = Math.min(x, minimumX); maximumX = Math.max(x, maximumX); minimumY = Math.min(y, minimumY); maximumY = Math.max(y, maximumY); } result.x = minimumX; result.y = minimumY; result.width = maximumX - minimumX; result.height = maximumY - minimumY; return result; }; const defaultProjection = new Transforms.GeographicProjection(); const fromRectangleLowerLeft = new Matrix3.Cartographic(); const fromRectangleUpperRight = new Matrix3.Cartographic(); /** * Computes a bounding rectangle from a rectangle. * * @param {Rectangle} rectangle The valid rectangle used to create a bounding rectangle. * @param {Object} [projection=GeographicProjection] The projection used to project the rectangle into 2D. * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.fromRectangle = function (rectangle, projection, result) { if (!defaultValue.defined(result)) { result = new BoundingRectangle(); } if (!defaultValue.defined(rectangle)) { result.x = 0; result.y = 0; result.width = 0; result.height = 0; return result; } projection = defaultValue.defaultValue(projection, defaultProjection); const lowerLeft = projection.project( Matrix2.Rectangle.southwest(rectangle, fromRectangleLowerLeft) ); const upperRight = projection.project( Matrix2.Rectangle.northeast(rectangle, fromRectangleUpperRight) ); Matrix2.Cartesian2.subtract(upperRight, lowerLeft, upperRight); result.x = lowerLeft.x; result.y = lowerLeft.y; result.width = upperRight.x; result.height = upperRight.y; return result; }; /** * Duplicates a BoundingRectangle instance. * * @param {BoundingRectangle} rectangle The bounding rectangle to duplicate. * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. (Returns undefined if rectangle is undefined) */ BoundingRectangle.clone = function (rectangle, result) { if (!defaultValue.defined(rectangle)) { return undefined; } if (!defaultValue.defined(result)) { return new BoundingRectangle( rectangle.x, rectangle.y, rectangle.width, rectangle.height ); } result.x = rectangle.x; result.y = rectangle.y; result.width = rectangle.width; result.height = rectangle.height; return result; }; /** * Computes a bounding rectangle that is the union of the left and right bounding rectangles. * * @param {BoundingRectangle} left A rectangle to enclose in bounding rectangle. * @param {BoundingRectangle} right A rectangle to enclose in a bounding rectangle. * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.union = function (left, right, result) { //>>includeStart('debug', pragmas.debug); Check.Check.typeOf.object("left", left); Check.Check.typeOf.object("right", right); //>>includeEnd('debug'); if (!defaultValue.defined(result)) { result = new BoundingRectangle(); } const lowerLeftX = Math.min(left.x, right.x); const lowerLeftY = Math.min(left.y, right.y); const upperRightX = Math.max(left.x + left.width, right.x + right.width); const upperRightY = Math.max(left.y + left.height, right.y + right.height); result.x = lowerLeftX; result.y = lowerLeftY; result.width = upperRightX - lowerLeftX; result.height = upperRightY - lowerLeftY; return result; }; /** * Computes a bounding rectangle by enlarging the provided rectangle until it contains the provided point. * * @param {BoundingRectangle} rectangle A rectangle to expand. * @param {Cartesian2} point A point to enclose in a bounding rectangle. * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.expand = function (rectangle, point, result) { //>>includeStart('debug', pragmas.debug); Check.Check.typeOf.object("rectangle", rectangle); Check.Check.typeOf.object("point", point); //>>includeEnd('debug'); result = BoundingRectangle.clone(rectangle, result); const width = point.x - result.x; const height = point.y - result.y; if (width > result.width) { result.width = width; } else if (width < 0) { result.width -= width; result.x = point.x; } if (height > result.height) { result.height = height; } else if (height < 0) { result.height -= height; result.y = point.y; } return result; }; /** * Determines if two rectangles intersect. * * @param {BoundingRectangle} left A rectangle to check for intersection. * @param {BoundingRectangle} right The other rectangle to check for intersection. * @returns {Intersect} Intersect.INTERSECTING if the rectangles intersect, Intersect.OUTSIDE otherwise. */ BoundingRectangle.intersect = function (left, right) { //>>includeStart('debug', pragmas.debug); Check.Check.typeOf.object("left", left); Check.Check.typeOf.object("right", right); //>>includeEnd('debug'); const leftX = left.x; const leftY = left.y; const rightX = right.x; const rightY = right.y; if ( !( leftX > rightX + right.width || leftX + left.width < rightX || leftY + left.height < rightY || leftY > rightY + right.height ) ) { return Transforms.Intersect.INTERSECTING; } return Transforms.Intersect.OUTSIDE; }; /** * Compares the provided BoundingRectangles componentwise and returns * true if they are equal, false otherwise. * * @param {BoundingRectangle} [left] The first BoundingRectangle. * @param {BoundingRectangle} [right] The second BoundingRectangle. * @returns {Boolean} true if left and right are equal, false otherwise. */ BoundingRectangle.equals = function (left, right) { return ( left === right || (defaultValue.defined(left) && defaultValue.defined(right) && left.x === right.x && left.y === right.y && left.width === right.width && left.height === right.height) ); }; /** * Duplicates this BoundingRectangle instance. * * @param {BoundingRectangle} [result] The object onto which to store the result. * @returns {BoundingRectangle} The modified result parameter or a new BoundingRectangle instance if one was not provided. */ BoundingRectangle.prototype.clone = function (result) { return BoundingRectangle.clone(this, result); }; /** * Determines if this rectangle intersects with another. * * @param {BoundingRectangle} right A rectangle to check for intersection. * @returns {Intersect} Intersect.INTERSECTING if the rectangles intersect, Intersect.OUTSIDE otherwise. */ BoundingRectangle.prototype.intersect = function (right) { return BoundingRectangle.intersect(this, right); }; /** * Compares this BoundingRectangle against the provided BoundingRectangle componentwise and returns * true if they are equal, false otherwise. * * @param {BoundingRectangle} [right] The right hand side BoundingRectangle. * @returns {Boolean} true if they are equal, false otherwise. */ BoundingRectangle.prototype.equals = function (right) { return BoundingRectangle.equals(this, right); }; exports.BoundingRectangle = BoundingRectangle; }));