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- /*
- * Copyright 2012, Gregg Tavares.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Gregg Tavares. nor the names of his
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- /* global define */
- (function(root, factory) { // eslint-disable-line
- if (typeof define === 'function' && define.amd) {
- // AMD. Register as an anonymous module.
- define([], function() {
- return factory.call(root);
- });
- } else {
- // Browser globals
- root.threejsUtils = factory.call(root);
- }
- }(this, function() {
- 'use strict'; // eslint-disable-line
- /** @module threejs-utils */
- /**
- * Resize a canvas to match the size its displayed.
- * @param {HTMLCanvasElement} canvas The canvas to resize.
- * @param {number} [multiplier] amount to multiply by.
- * Pass in window.devicePixelRatio for native pixels.
- * @return {boolean} true if the canvas was resized.
- * @memberOf module:webgl-utils
- */
- function resizeCanvasToDisplaySize(canvas, multiplier) {
- multiplier = multiplier || 1;
- const width = canvas.clientWidth * multiplier | 0;
- const height = canvas.clientHeight * multiplier | 0;
- if (canvas.width !== width || canvas.height !== height) {
- canvas.width = width;
- canvas.height = height;
- return true;
- }
- return false;
- }
- return {
- resizeCanvasToDisplaySize: resizeCanvasToDisplaySize,
- };
- }));
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