mirror of
https://github.com/google/blockly.git
synced 2026-01-10 02:17:09 +01:00
62 lines
1.1 KiB
JavaScript
62 lines
1.1 KiB
JavaScript
/**
|
|
* @license
|
|
* Copyright 2019 Google LLC
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @fileoverview Utility methods for size calculation.
|
|
* These methods are not specific to Blockly, and could be factored out into
|
|
* a JavaScript framework such as Closure.
|
|
* @author samelh@google.com (Sam El-Husseini)
|
|
*/
|
|
'use strict';
|
|
|
|
/**
|
|
* @name Size
|
|
* @namespace
|
|
*/
|
|
goog.module('Blockly.utils.Size');
|
|
goog.module.declareLegacyNamespace();
|
|
|
|
|
|
/**
|
|
* Class for representing sizes consisting of a width and height.
|
|
* @param {number} width Width.
|
|
* @param {number} height Height.
|
|
* @struct
|
|
* @constructor
|
|
*/
|
|
const Size = function(width, height) {
|
|
/**
|
|
* Width
|
|
* @type {number}
|
|
*/
|
|
this.width = width;
|
|
|
|
/**
|
|
* Height
|
|
* @type {number}
|
|
*/
|
|
this.height = height;
|
|
};
|
|
|
|
/**
|
|
* Compares sizes for equality.
|
|
* @param {?Size} a A Size.
|
|
* @param {?Size} b A Size.
|
|
* @return {boolean} True iff the sizes have equal widths and equal
|
|
* heights, or if both are null.
|
|
*/
|
|
Size.equals = function(a, b) {
|
|
if (a == b) {
|
|
return true;
|
|
}
|
|
if (!a || !b) {
|
|
return false;
|
|
}
|
|
return a.width == b.width && a.height == b.height;
|
|
};
|
|
|
|
exports = Size;
|