gyazo_button.js

gyazo = function() {
  var c, context, url, v;
  c = document.querySelector('#canvas');
  v = document.querySelector('#play');
  context = c.getContext('2d');
  c.width = v.videoWidth;
  c.height = v.videoHeight;
  context.drawImage(v, 0, 0);
  data = c.toDataURL();
  return $.post('/gyazo', {
    data: data,
  }).success(function(data) {
    return window.open(data.url);
  });
};