From 143e3ee66a2d893ce7371debf583f0033d53097e Mon Sep 17 00:00:00 2001
From: Andrea Bogazzi <andreabogazzi79@gmail.com>
Date: Wed, 30 Dec 2015 16:24:02 +0100
Subject: [PATCH] update _normalizePointer

---
 src/canvas.class.js | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/canvas.class.js b/src/canvas.class.js
index 1a305c0e..b415dcc7 100644
--- a/src/canvas.class.js
+++ b/src/canvas.class.js
@@ -277,22 +277,24 @@
      */
     _normalizePointer: function (object, pointer) {
       var activeGroup = this.getActiveGroup(),
-          x = pointer.x,
-          y = pointer.y,
           isObjectInGroup = (
             activeGroup &&
             object.type !== 'group' &&
             activeGroup.contains(object)),
-          lt;
+          lt, m;
 
       if (isObjectInGroup) {
-        lt = fabric.util.transformPoint(activeGroup.getCenterPoint(), this.viewportTransform, true);
-        x -= lt.x;
-        y -= lt.y;
-        x /= activeGroup.scaleX;
-        y /= activeGroup.scaleY;
+        m = fabric.util.multiplyTransformMatrices(
+              this.viewportTransform,
+              activeGroup.calcTransformMatrix());
+
+        m = fabric.util.invertTransform(m);
+        pointer = fabric.util.transformPoint(pointer, m , false);
+        lt = fabric.util.transformPoint(activeGroup.getCenterPoint(), m , false);
+        pointer.x -= lt.x;
+        pointer.y -= lt.y;
       }
-      return { x: x, y: y };
+      return { x: pointer.x, y: pointer.y };
     },
 
     /**