rx-player
Version:
Canal+ HTML5 Video Player
62 lines (61 loc) • 2.43 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* 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.
*/
/**
* Return true if no style has been already declared and no conflict is
* detected with current cue style.
*
* No position, orientation and dimension style should have been set to
* avoid any conflict.
* @param {object} paragraphStyle
* @returns {boolean}
*/
export function shouldApplyDefaultTTMLStyle(paragraphStyle) {
return (paragraphStyle.extent === undefined &&
paragraphStyle.origin === undefined &&
paragraphStyle.displayAlign === undefined &&
paragraphStyle.display === undefined &&
paragraphStyle.textAlign === undefined &&
paragraphStyle.fontSize === undefined);
}
/**
* Apply a default style to TTML cue.
*
* The default style propose to set the cue at the bottom, centered
* and lightly spaced apart from the edges :
*
* -----------------------------------------------
* | |
* | |
* | |
* | |
* | |
* | |
* | subtitle is displayed |
* | here |
* -----------------------------------------------
*
* @param {Object} cue
* TODO This code can be seen as risky because we might not predict every
* possible styles that can enter in conflict.
* A better solution should be found in the future
*/
export function applyDefaultTTMLStyle(paragraphStyle) {
paragraphStyle.extent = "70% 20%";
paragraphStyle.fontSize = "1c";
paragraphStyle.origin = "15% 80%";
paragraphStyle.displayAlign = "before";
paragraphStyle.textAlign = "center";
}