picture your tweet

tweettopic

javascript:(function () {
    var d = document.createElement('canvas'),
        ctx = d.getContext('2d'),
        tweet = document.querySelector('.expanded-conversation .tweet .tweet-text'),
        box,
        w,
        h = 80,
        x = 0,
        code_to_0256 = function (code) {

           if (code < 32 || code > 127) {
               code = 90;
           }
           return Math.floor((code - 32) * (256/95));
        }, 
        imageData, imData, 
        text;

    if (!tweet) {
       return;
    }
    box = tweet.getBoundingClientRect();
    w = box.width;
 
    text = tweet.textContent;
  
    d.setAttribute("style", "width: " + w + "px; height: " + h +"px;display: block;");
    tweet.appendChild(d);
  
    imageData = ctx.getImageData(0, 0, w, h);
    imData = imageData.data;
        

  
  while (x < imData.length ){
     imData[x]= code_to_0256(text.charCodeAt(x % text.length));
     x++;
    
  }
  ctx.putImageData(imageData, 0, 0);
  
    
}());

See https://gist.github.com/mattparker/f55aed4103c342ba8b07