livestream/video/time/fittext.js
2018-06-29 12:30:49 +02:00

50 lines
1.3 KiB
JavaScript

/*global jQuery */
/*!
* FitText.js 1.2
*
* Copyright 2011, Dave Rupert http://daverupert.com
* Released under the WTFPL license
* http://sam.zoy.org/wtfpl/
* Modified by Niccolo Borgioli github.com/cupcakearmy
*
* Date: Thu May 05 14:23:00 2011 -0600
*/
((window) => {
window.fittext = (element, kompressor, options) => {
const compressor = kompressor || 1,
settings = Object.assign({
'minFontSize': Number.NEGATIVE_INFINITY,
'maxFontSize': Number.POSITIVE_INFINITY
}, options)
const resizer = () => element.style.fontSize = `${Math.max(Math.min(element.offsetWidth / (compressor * 10), parseFloat(settings.maxFontSize)), parseFloat(settings.minFontSize))}px`
resizer()
window.addEventListener('resize', resizer)
}
window.textfill = (element, options) => {
const ourText = element.querySelector('span');
const maxHeight = element.offsetHeight;
const maxWidth = element.offsetWidth;
let fontSize = Number.POSITIVE_INFINITY;
let textHeight;
let textWidth;
const resizer = () => {
do {
ourText.style.fontSize = `${fontSize}px`
textHeight = ourText.offsetHeight
textWidth = ourText.offsetWidth
fontSize = fontSize - 1
} while ((textHeight > maxHeight || textWidth > maxWidth) && fontSize > 3)
}
resizer()
}
})(window)