From c3c6c7a2e9d6ffe5438881216dea9cc2f87ce5d5 Mon Sep 17 00:00:00 2001
From: kkapsner <github@mail.kkapsner.de>
Date: Sat, 26 Nov 2016 17:37:52 +0100
Subject: [PATCH] Fixes bug in fake function for readPixels.

Fixes #92.
---
 lib/modifiedAPI.js | 15 +++++++++++++--
 releaseNotes.txt   |  1 +
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/modifiedAPI.js b/lib/modifiedAPI.js
index a5f0aeb..c0750e6 100644
--- a/lib/modifiedAPI.js
+++ b/lib/modifiedAPI.js
@@ -5,6 +5,8 @@
 (function(){
 	"use strict";
 	
+	let Cu = require("chrome").Cu;
+	
 	var randomSupply = null;
 	
 	function getContext(window, canvas){
@@ -257,10 +259,19 @@
 			object: "WebGLRenderingContext",
 			fakeGenerator: function(prefs, notify){
 				return function readPixels(x, y, width, height, format, type, pixels){
+					// not able to use the getFakeCanvas function because the context type is wrong...
 					notify("fakedReadout");
+					var xPixels = Cu.waiveXrays(pixels);
 					var window = getWindow(this.canvas);
-					var context = window.HTMLCanvasElement.prototype.getContext.call(getFakeCanvas(window, this.canvas), "webGL");
-					return window.WebGLRenderingContext.prototype.readPixels.apply(context, arguments);
+					var ret = window.WebGLRenderingContext.prototype.readPixels.apply(this, arguments);
+					var l = xPixels.length;
+					var rng = randomSupply.getRng(l, window);
+					
+					for (var i = 0; i < l; i += 1){
+						xPixels[i] = rng(xPixels[i], i);
+					}
+					
+					return ret;
 				};
 			}
 		}
diff --git a/releaseNotes.txt b/releaseNotes.txt
index 5d04e22..7fa6488 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -3,6 +3,7 @@ Version 0.3.4:
 		- different fake modes show independent notifications
 	
 	fixes:
+		- bug in readPixels (prevented google street view to work)
 		- performance issues
 		- German translations