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51d9dad31f
* Reexport Blockly.utils.* modules from Blockly.utils * Update metadata (file sizes) again blockly_compressed.js has gotten too big for the second time this quarter. Update the expected file sizes for it so that tests will continue to pass.
70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Utility methods for rectangle manipulation.
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* These methods are not specific to Blockly, and could be factored out into
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* a JavaScript framework such as Closure.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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/**
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* @name Blockly.utils.Rect
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* @namespace
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*/
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goog.module('Blockly.utils.Rect');
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/**
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* Class for representing rectangular regions.
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* @param {number} top Top.
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* @param {number} bottom Bottom.
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* @param {number} left Left.
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* @param {number} right Right.
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* @struct
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* @constructor
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*/
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const Rect = function(top, bottom, left, right) {
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/** @type {number} */
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this.top = top;
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/** @type {number} */
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this.bottom = bottom;
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/** @type {number} */
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this.left = left;
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/** @type {number} */
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this.right = right;
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};
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/**
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* Tests whether this rectangle contains a x/y coordinate.
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*
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* @param {number} x The x coordinate to test for containment.
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* @param {number} y The y coordinate to test for containment.
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* @return {boolean} Whether this rectangle contains given coordinate.
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*/
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Rect.prototype.contains = function(x, y) {
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return x >= this.left && x <= this.right && y >= this.top && y <= this.bottom;
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};
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/**
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* Tests whether this rectangle intersects the provided rectangle.
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* Assumes that the coordinate system increases going down and left.
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* @param {!Blockly.utils.Rect} other The other rectangle to check for
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* intersection with.
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* @return {boolean} Whether this rectangle intersects the provided rectangle.
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*/
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Rect.prototype.intersects = function(other) {
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return !(
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this.left > other.right || this.right < other.left ||
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this.top > other.bottom || this.bottom < other.top);
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};
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exports = Rect;
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