Display images in multiline Braille

chrome/browser/resources/chromeos/chromevox/host/interface/braille_interface.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Defines a Braille interface.
  *
  * All Braille engines in ChromeVox conform to this interface.
  *
  */
 
 goog.provide('cvox.BrailleInterface');
 
 goog.require('cvox.BrailleKeyCommand');
 goog.require('cvox.BrailleKeyEvent');
 goog.require('cvox.NavBraille');
 
 /**
  * @interface
  */
 cvox.BrailleInterface = function() { };
 
 /**
  * Sends the given params to the Braille display for output.
  * @param {!cvox.NavBraille} params Parameters to send to the
  * platform braille service.
  */
 cvox.BrailleInterface.prototype.write =
     function(params) { };
+
+/**
+ * Takes in a dataUrl in the form of a PNG and outputs it into a Braille

[dmazzoni, 2016/12/05 17:29:41]

I'd say, takes an image (PNG is irrelevant) in the form of a data url

[ultimatedbz, 2016/12/05 19:32:01]

Done.

+ * display for output.
+ * @param {!string} imageDataUrl The image to output, in the form of a
+ * dataUrl.
+ */
+cvox.BrailleInterface.prototype.writeRawImage =
+    function(imageDataUrl) { };