@svta/common-media-library
Version:
A common library for media playback in JavaScript
96 lines • 3.81 kB
JavaScript
/**
*
* This code was ported from the dash.js project at:
* https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js
* https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2
*
* The original copyright appears below:
*
* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2015-2016, DASH Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. 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.
* 2. Neither the name of Dash Industry Forum nor the names of its
* 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 HOLDER 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.
*/
/**
* Pen state.
*
* @group CTA-608
* @beta
*/
export class PenState {
constructor() {
this.foreground = 'white';
this.underline = false;
this.italics = false;
this.background = 'black';
this.flash = false;
}
reset() {
this.foreground = 'white';
this.underline = false;
this.italics = false;
this.background = 'black';
this.flash = false;
}
setStyles(styles) {
const attribs = [
'foreground',
'underline',
'italics',
'background',
'flash',
];
for (let i = 0; i < attribs.length; i++) {
const style = attribs[i];
if (Object.prototype.hasOwnProperty.call(styles, style)) {
this[style] = styles[style];
}
}
}
isDefault() {
return (this.foreground === 'white' &&
!this.underline &&
!this.italics &&
this.background === 'black' &&
!this.flash);
}
equals(other) {
return (this.foreground === other.foreground &&
this.underline === other.underline &&
this.italics === other.italics &&
this.background === other.background &&
this.flash === other.flash);
}
copy(newPenState) {
this.foreground = newPenState.foreground;
this.underline = newPenState.underline;
this.italics = newPenState.italics;
this.background = newPenState.background;
this.flash = newPenState.flash;
}
}
//# sourceMappingURL=PenState.js.map