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sinky/javascript aspect ratio calculation (with GCD).js

Forked from phobeo/javascript aspect ratio calculation (with GCD)
Last active January 2, 2016 19:39
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javascript aspect ratio calculation (with GCD).js
/* GCD */
function gcd (a, b) { return (b == 0) ? a : gcd (b, a%b); } // Source: http://stackoverflow.com/a/1186465
/* ratio is to get the gcd and divide each component by the gcd, then return a string with the typical colon-separated value */
function ratio(x,y) {c=gcd(x,y); return ""+(x/c)+":"+(y/c)}
ratio(1920,1080)
/* "16:9" */
ratio(320,240)
/* "4:3" */
ratio(360,240)
/* "3:2" */
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