glitch

glitch.js

javascript:(function(){var t;t=function(){function t(){}return t.prototype.run=function(){return this.getImages(),this.buildCanvas(),this.process(),this.clean()},t.prototype.getImages=function(){return this.images=document.getElementsByTagName("img")},t.prototype.buildCanvas=function(){return this.canvas=document.createElement("canvas"),this.stage=this.canvas.getContext("2d"),document.body.appendChild(this.canvas),this.resizeCanvas(1,1)},t.prototype.resizeCanvas=function(t,e){return this.canvas.setAttribute("style","width: "+t+"px; height: "+e+"px; position: fixed; opacity: 0; left: -"+t+"px; top: -"+e+"px;"),this.canvas.setAttribute("width",t),this.canvas.setAttribute("height",e)},t.prototype.process=function(){var t,e,i,a,s,n;for(s=this.images,n=[],i=0,a=s.length;a>i;i++){e=s[i];try{this.image=e,this.allow(),this.setScale(),this.getImageData(),this.glitchData(),n.push(this.setData())}catch(r){t=r,n.push(console.log(t))}}return n},t.prototype.allow=function(){return this.image.setAttribute("crossOrigin","anonymous")},t.prototype.setScale=function(){var t,e;return e=this.image.offsetWidth,t=this.image.offsetHeight,this.resizeCanvas(e,t)},t.prototype.getImageData=function(){return this.stage.drawImage(this.image,0,0),this.data=this.canvas.toDataURL("image/jpeg")},t.prototype.glitchData=function(){var t,e,i,a,s;for(s=this.data.substring(0,this.data.indexOf(",")+1),e=this.data.substring(this.data.indexOf(",")+1),t=0,i=1+Math.floor(10*Math.random());i>t;)a=Math.round(Math.random()*e.length-1),e=e.substr(0,a)+e.charAt(a+1)+e.charAt(a)+e.substr(a+2),t++;return this.data=s+e},t.prototype.setData=function(){var t;return t=document.createElement("img"),t.setAttribute("width",this.image.offsetWidth),t.setAttribute("height",this.image.offsetHeight),t.setAttribute("src",this.data),document.body.insertBefore(t,this.image),this.image.parentNode.removeChild(this.image)},t.prototype.clean=function(){return this.canvas.parentNode.removeChild(this.canvas),this.image=null,this.data=null},t}(),window.glitch=new t,glitch.run()}).call(this);