socialCheesecake.defineModule(
  'SocialCheesecake#Text'
).dependsOn(
  
).withCode(function() {
  socialCheesecake.text = {
    writeCurvedText : function(text, context, x, y, r, phi, delta) {
      context.font = "bold 14px sans-serif";
      context.fillStyle = '#000';
      context.textBaseline = "middle";
      var medium_alpha = Math.tan(context.measureText(text).width / (text.length * r));
      if(medium_alpha * text.length <= delta) {
        context.translate(x, y);
        var orientation = 0;
        if((phi + delta / 2 >= Math.PI ) && (phi + delta / 2 < Math.PI * 2)) {
          orientation = -1;
          context.rotate(-(delta - (medium_alpha * text.length)) / 2 - phi - Math.PI / 2);
        } else {
          orientation = 1;
          context.rotate((delta - (medium_alpha * text.length)) / 2 + Math.PI / 2 - delta - phi);
        }
        for(var i = 0; i < text.length; i++) {
          context.fillText(text[i], 0, -(orientation * r));
          var alpha = Math.tan(context.measureText(text[i]).width / r);
          context.rotate(orientation * alpha);
        }
        return true;
      } else {
        return false;
      }
    },
    writeCenterText : function(text, context, centerX, centerY) {
      context.fillText(text, centerX - context.measureText(text).width / 2, centerY);
    }
  }
});