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/* canvas-toBlob.js
* A canvas.toBlob() implementation.
* 2013-12-27
*
* By Eli Grey, http://eligrey.com and Devin Samarin, https://github.com/eboyjr
* License: MIT
* See https://github.com/eligrey/canvas-toBlob.js/blob/master/LICENSE.md
*/
!function(t){"use strict"
var o,e=t.Uint8Array,n=t.HTMLCanvasElement,i=n&&n.prototype,s=/\s*;\s*base64\s*(?:;|$)/i,a="toDataURL",l=function(t){for(var n,i,s,a=t.length,l=new e(a/4*3|0),r=0,b=0,d=[0,0],f=0,c=0;a--;)i=t.charCodeAt(r++),n=o[i-43],255!==n&&n!==s&&(d[1]=d[0],d[0]=i,c=c<<6|n,f++,4===f&&(l[b++]=c>>>16,61!==d[1]&&(l[b++]=c>>>8),61!==d[0]&&(l[b++]=c),f=0))
return l}
e&&(o=new e([62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,0,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51])),n&&!i.toBlob&&(i.toBlob=function(t,o){if(o||(o="image/png"),this.mozGetAsFile)return void t(this.mozGetAsFile("canvas",o))
if(this.msToBlob&&/^\s*image\/png\s*(?:$|;)/i.test(o))return void t(this.msToBlob())
var n,i=Array.prototype.slice.call(arguments,1),r=this[a].apply(this,i),b=r.indexOf(","),d=r.substring(b+1),f=s.test(r.substring(0,b))
Blob.fake?(n=new Blob,f?n.encoding="base64":n.encoding="URI",n.data=d,n.size=d.length):e&&(n=f?new Blob([l(d)],{type:o}):new Blob([decodeURIComponent(d)],{type:o})),t(n)},i.toDataURLHD?i.toBlobHD=function(){a="toDataURLHD"
var t=this.toBlob()
return a="toDataURL",t}:i.toBlobHD=i.toBlob)}("undefined"!=typeof self&&self||"undefined"!=typeof window&&window||this.content||this)
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