2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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/**
* Copyright 2013 vtt.js 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.
*/
// If we're in Node.js then require VTTRegion so we can extend it, otherwise assume
// VTTRegion is on the global.
if (typeof module !== "undefined" && module.exports) {
this.VTTRegion = require("./vttregion").VTTRegion;
}
// Extend VTTRegion with methods to convert to JSON, from JSON, and construct a
// VTTRegion from an options object. The primary purpose of this is for use in the
// vtt.js test suite. It's also useful if you need to work with VTTRegions in
// JSON format.
(function(root) {
root.VTTRegion.create = function(options) {
var region = new root.VTTRegion();
for (var key in options) {
if (region.hasOwnProperty(key)) {
region[key] = options[key];
}
}
return region;
};
root.VTTRegion.fromJSON = function(json) {
return this.create(JSON.parse(json));
};
}(this));
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